Merge pull request #1918 from assimp/use_log_macros

Use log macros

code/3DSConverter.cpp

@@ -120,7 +120,7 @@ void Discreet3DSImporter::ReplaceDefaultMaterial()
             else if ( (*a) >= mScene->mMaterials.size())
             {
                 (*a) = idx;
-                DefaultLogger::get()->warn("Material index overflow in 3DS file. Using default material");
+                ASSIMP_LOG_WARN("Material index overflow in 3DS file. Using default material");
                 ++cnt;
             }
         }
@@ -132,7 +132,7 @@ void Discreet3DSImporter::ReplaceDefaultMaterial()
         sMat.mDiffuse = aiColor3D(0.3f,0.3f,0.3f);
         mScene->mMaterials.push_back(sMat);
 
-        DefaultLogger::get()->info("3DS: Generating default material");
+        ASSIMP_LOG_INFO("3DS: Generating default material");
     }
 }
 
@@ -147,12 +147,12 @@ void Discreet3DSImporter::CheckIndices(D3DS::Mesh& sMesh)
         {
             if ((*i).mIndices[a] >= sMesh.mPositions.size())
             {
-                DefaultLogger::get()->warn("3DS: Vertex index overflow)");
+                ASSIMP_LOG_WARN("3DS: Vertex index overflow)");
                 (*i).mIndices[a] = (uint32_t)sMesh.mPositions.size()-1;
             }
             if ( !sMesh.mTexCoords.empty() && (*i).mIndices[a] >= sMesh.mTexCoords.size())
             {
-                DefaultLogger::get()->warn("3DS: Texture coordinate index overflow)");
+                ASSIMP_LOG_WARN("3DS: Texture coordinate index overflow)");
                 (*i).mIndices[a] = (uint32_t)sMesh.mTexCoords.size()-1;
             }
         }
@@ -497,7 +497,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene* pcSOut,aiNode* pcOut,
                         pvCurrent->x *= -1.f;
                         t2->x *= -1.f;
                     }
-                    DefaultLogger::get()->info("3DS: Flipping mesh X-Axis");
+                    ASSIMP_LOG_INFO("3DS: Flipping mesh X-Axis");
                 }
 
                 // Handle pivot point
@@ -573,11 +573,11 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene* pcSOut,aiNode* pcOut,
         pcIn->aTargetPositionKeys.size() > 1)
     {
         aiAnimation* anim = pcSOut->mAnimations[0];
-        ai_assert(NULL != anim);
+        ai_assert(nullptr != anim);
 
         if (pcIn->aCameraRollKeys.size() > 1)
         {
-            DefaultLogger::get()->debug("3DS: Converting camera roll track ...");
+            ASSIMP_LOG_DEBUG("3DS: Converting camera roll track ...");
 
             // Camera roll keys - in fact they're just rotations
             // around the camera's z axis. The angles are given
@@ -597,7 +597,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene* pcSOut,aiNode* pcOut,
 #if 0
         if (pcIn->aTargetPositionKeys.size() > 1)
         {
-            DefaultLogger::get()->debug("3DS: Converting target track ...");
+            ASSIMP_LOG_DEBUG("3DS: Converting target track ...");
 
             // Camera or spot light - need to convert the separate
             // target position channel to our representation
@@ -743,7 +743,7 @@ void Discreet3DSImporter::GenerateNodeGraph(aiScene* pcOut)
         //   |       |       |            |         |
         // MESH_0  MESH_1  MESH_2  ...  MESH_N    CAMERA_0 ....
         //
-        DefaultLogger::get()->warn("No hierarchy information has been found in the file. ");
+        ASSIMP_LOG_WARN("No hierarchy information has been found in the file. ");
 
         pcOut->mRootNode->mNumChildren = pcOut->mNumMeshes +
             static_cast<unsigned int>(mScene->mCameras.size() + mScene->mLights.size());

code/3DSExporter.cpp

@@ -381,7 +381,7 @@ void Discreet3DSExporter::WriteTexture(const aiMaterial& mat, aiTextureType type
 
     // TODO: handle embedded textures properly
     if (path.data[0] == '*') {
-        DefaultLogger::get()->error("Ignoring embedded texture for export: " + std::string(path.C_Str()));
+        ASSIMP_LOG_ERROR("Ignoring embedded texture for export: " + std::string(path.C_Str()));
         return;
     }
 

code/3DSLoader.cpp

@@ -258,8 +258,9 @@ void Discreet3DSImporter::ReadChunk(Discreet3DS::Chunk* pcOut)
     if (pcOut->Size - sizeof(Discreet3DS::Chunk) > stream->GetRemainingSize())
         throw DeadlyImportError("Chunk is too large");
 
-    if (pcOut->Size - sizeof(Discreet3DS::Chunk) > stream->GetRemainingSizeToLimit())
-        DefaultLogger::get()->error("3DS: Chunk overflow");
+    if (pcOut->Size - sizeof(Discreet3DS::Chunk) > stream->GetRemainingSizeToLimit()) {
+        ASSIMP_LOG_ERROR("3DS: Chunk overflow");
+    }
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -320,7 +321,7 @@ void Discreet3DSImporter::ParseEditorChunk()
         // print the version number
         char buff[10];
         ASSIMP_itoa10(buff,stream->GetI2());
-        DefaultLogger::get()->info(std::string("3DS file format version: ") + buff);
+        ASSIMP_LOG_INFO_F(std::string("3DS file format version: "), buff);
         }
         break;
     };
@@ -361,7 +362,7 @@ void Discreet3DSImporter::ParseObjectChunk()
         if (is_qnan(mClrAmbient.r))
         {
             // We failed to read the ambient base color.
-            DefaultLogger::get()->error("3DS: Failed to read ambient base color");
+            ASSIMP_LOG_ERROR("3DS: Failed to read ambient base color");
             mClrAmbient.r = mClrAmbient.g = mClrAmbient.b = 0.0f;
         }
         break;
@@ -463,7 +464,7 @@ void Discreet3DSImporter::ParseChunk(const char* name, unsigned int num)
         if (len < 1e-5) {
 
             // There are some files with lookat == position. Don't know why or whether it's ok or not.
-            DefaultLogger::get()->error("3DS: Unable to read proper camera look-at vector");
+            ASSIMP_LOG_ERROR("3DS: Unable to read proper camera look-at vector");
             camera->mLookAt = aiVector3D(0.0,1.0,0.0);
 
         }
@@ -629,9 +630,9 @@ void Discreet3DSImporter::SkipTCBInfo()
     if (!flags) {
         // Currently we can't do anything with these values. They occur
         // quite rare, so it wouldn't be worth the effort implementing
-        // them. 3DS ist not really suitable for complex animations,
+        // them. 3DS is not really suitable for complex animations,
         // so full support is not required.
-        DefaultLogger::get()->warn("3DS: Skipping TCB animation info");
+        ASSIMP_LOG_WARN("3DS: Skipping TCB animation info");
     }
 
     if (flags & Discreet3DS::KEY_USE_TENS) {
@@ -732,7 +733,6 @@ void Discreet3DSImporter::ParseHierarchyChunk(uint16_t parent)
 
             // If object name is DUMMY, take this one instead
             if (mCurrentNode->mName == "$$$DUMMY")  {
-                //DefaultLogger::get()->warn("3DS: Skipping dummy object name for non-dummy object");
                 mCurrentNode->mName = std::string(sz);
                 break;
             }
@@ -743,7 +743,7 @@ void Discreet3DSImporter::ParseHierarchyChunk(uint16_t parent)
 
         if ( Discreet3DS::CHUNK_TRACKINFO != parent)
         {
-            DefaultLogger::get()->warn("3DS: Skipping pivot subchunk for non usual object");
+            ASSIMP_LOG_WARN("3DS: Skipping pivot subchunk for non usual object");
             break;
         }
 
@@ -805,7 +805,7 @@ void Discreet3DSImporter::ParseHierarchyChunk(uint16_t parent)
         {
         // roll keys are accepted for cameras only
         if (parent != Discreet3DS::CHUNK_TRACKCAMERA)   {
-            DefaultLogger::get()->warn("3DS: Ignoring roll track for non-camera object");
+            ASSIMP_LOG_WARN("3DS: Ignoring roll track for non-camera object");
             break;
         }
         bool sortKeys = false;
@@ -845,7 +845,7 @@ void Discreet3DSImporter::ParseHierarchyChunk(uint16_t parent)
         // CAMERA FOV KEYFRAME
     case Discreet3DS::CHUNK_TRACKFOV:
         {
-            DefaultLogger::get()->error("3DS: Skipping FOV animation track. "
+            ASSIMP_LOG_ERROR("3DS: Skipping FOV animation track. "
                 "This is not supported");
         }
         break;
@@ -985,7 +985,7 @@ void Discreet3DSImporter::ParseFaceChunk()
             }
         }
         if (0xcdcdcdcd == idx)  {
-            DefaultLogger::get()->error(std::string("3DS: Unknown material: ") + sz);
+            ASSIMP_LOG_ERROR_F( "3DS: Unknown material: ", sz);
         }
 
         // Now continue and read all material indices
@@ -995,7 +995,7 @@ void Discreet3DSImporter::ParseFaceChunk()
 
             // check range
             if (fidx >= mMesh.mFaceMaterials.size())    {
-                DefaultLogger::get()->error("3DS: Invalid face index in face material list");
+                ASSIMP_LOG_ERROR("3DS: Invalid face index in face material list");
             }
             else mMesh.mFaceMaterials[fidx] = idx;
         }}
@@ -1110,7 +1110,7 @@ void Discreet3DSImporter::ParseMaterialChunk()
 
         if (!cnt)   {
             // This may not be, we use the default name instead
-            DefaultLogger::get()->error("3DS: Empty material name");
+            ASSIMP_LOG_ERROR("3DS: Empty material name");
         }
         else mScene->mMaterials.back().mName = std::string(sz,cnt);
         }
@@ -1123,7 +1123,7 @@ void Discreet3DSImporter::ParseMaterialChunk()
         ParseColorChunk(pc);
         if (is_qnan(pc->r)) {
             // color chunk is invalid. Simply ignore it
-            DefaultLogger::get()->error("3DS: Unable to read DIFFUSE chunk");
+            ASSIMP_LOG_ERROR("3DS: Unable to read DIFFUSE chunk");
             pc->r = pc->g = pc->b = 1.0f;
         }}
         break;
@@ -1135,7 +1135,7 @@ void Discreet3DSImporter::ParseMaterialChunk()
         ParseColorChunk(pc);
         if (is_qnan(pc->r)) {
             // color chunk is invalid. Simply ignore it
-            DefaultLogger::get()->error("3DS: Unable to read SPECULAR chunk");
+            ASSIMP_LOG_ERROR("3DS: Unable to read SPECULAR chunk");
             pc->r = pc->g = pc->b = 1.0f;
         }}
         break;
@@ -1147,7 +1147,7 @@ void Discreet3DSImporter::ParseMaterialChunk()
         ParseColorChunk(pc);
         if (is_qnan(pc->r)) {
             // color chunk is invalid. Simply ignore it
-            DefaultLogger::get()->error("3DS: Unable to read AMBIENT chunk");
+            ASSIMP_LOG_ERROR("3DS: Unable to read AMBIENT chunk");
             pc->r = pc->g = pc->b = 0.0f;
         }}
         break;
@@ -1159,7 +1159,7 @@ void Discreet3DSImporter::ParseMaterialChunk()
         ParseColorChunk(pc);
         if (is_qnan(pc->r)) {
             // color chunk is invalid. Simply ignore it
-            DefaultLogger::get()->error("3DS: Unable to read EMISSIVE chunk");
+            ASSIMP_LOG_ERROR("3DS: Unable to read EMISSIVE chunk");
             pc->r = pc->g = pc->b = 0.0f;
         }}
         break;
@@ -1293,7 +1293,7 @@ void Discreet3DSImporter::ParseTextureChunk(D3DS::Texture* pcOut)
         pcOut->mScaleU = stream->GetF4();
         if (0.0f == pcOut->mScaleU)
         {
-            DefaultLogger::get()->warn("Texture coordinate scaling in the x direction is zero. Assuming 1.");
+            ASSIMP_LOG_WARN("Texture coordinate scaling in the x direction is zero. Assuming 1.");
             pcOut->mScaleU = 1.0f;
         }
         break;
@@ -1302,7 +1302,7 @@ void Discreet3DSImporter::ParseTextureChunk(D3DS::Texture* pcOut)
         pcOut->mScaleV = stream->GetF4();
         if (0.0f == pcOut->mScaleV)
         {
-            DefaultLogger::get()->warn("Texture coordinate scaling in the y direction is zero. Assuming 1.");
+            ASSIMP_LOG_WARN("Texture coordinate scaling in the y direction is zero. Assuming 1.");
             pcOut->mScaleV = 1.0f;
         }
         break;

code/ACLoader.cpp

@@ -85,7 +85,7 @@ static const aiImporterDesc desc = {
 #define AI_AC_SKIP_TO_NEXT_TOKEN() \
     if (!SkipSpaces(&buffer)) \
     { \
-        DefaultLogger::get()->error("AC3D: Unexpected EOF/EOL"); \
+        ASSIMP_LOG_ERROR("AC3D: Unexpected EOF/EOL"); \
         continue; \
     }
 
@@ -101,7 +101,7 @@ static const aiImporterDesc desc = {
     { \
         if (IsLineEnd( *buffer )) \
         { \
-            DefaultLogger::get()->error("AC3D: Unexpected EOF/EOL in string"); \
+            ASSIMP_LOG_ERROR("AC3D: Unexpected EOF/EOL in string"); \
             out = "ERROR"; \
             break; \
         } \
@@ -120,7 +120,7 @@ static const aiImporterDesc desc = {
     { \
         if (strncmp(buffer,name,name_length) || !IsSpace(buffer[name_length])) \
         { \
-            DefaultLogger::get()->error("AC3D: Unexpexted token. " name " was expected."); \
+            ASSIMP_LOG_ERROR("AC3D: Unexpexted token. " name " was expected."); \
             continue; \
         } \
         buffer += name_length+1; \
@@ -217,7 +217,7 @@ void AC3DImporter::LoadObjectSection(std::vector<Object>& objects)
         light->mName.length = ::ai_snprintf(light->mName.data, MAXLEN, "ACLight_%i",static_cast<unsigned int>(mLights->size())-1);
         obj.name = std::string( light->mName.data );
 
-        DefaultLogger::get()->debug("AC3D: Light source encountered");
+        ASSIMP_LOG_DEBUG("AC3D: Light source encountered");
         obj.type = Object::Light;
     }
     else if (!ASSIMP_strincmp(buffer,"group",5))
@@ -307,12 +307,12 @@ void AC3DImporter::LoadObjectSection(std::vector<Object>& objects)
             {
                 if (!GetNextLine())
                 {
-                    DefaultLogger::get()->error("AC3D: Unexpected EOF: not all vertices have been parsed yet");
+                    ASSIMP_LOG_ERROR("AC3D: Unexpected EOF: not all vertices have been parsed yet");
                     break;
                 }
                 else if (!IsNumeric(*buffer))
                 {
-                    DefaultLogger::get()->error("AC3D: Unexpected token: not all vertices have been parsed yet");
+                    ASSIMP_LOG_ERROR("AC3D: Unexpected token: not all vertices have been parsed yet");
                     --buffer; // make sure the line is processed a second time
                     break;
                 }
@@ -338,8 +338,8 @@ void AC3DImporter::LoadObjectSection(std::vector<Object>& objects)
                     // example writes no surf chunks
                     if (!Q3DWorkAround)
                     {
-                        DefaultLogger::get()->warn("AC3D: SURF token was expected");
-                        DefaultLogger::get()->debug("Continuing with Quick3D Workaround enabled");
+                        ASSIMP_LOG_WARN("AC3D: SURF token was expected");
+                        ASSIMP_LOG_DEBUG("Continuing with Quick3D Workaround enabled");
                     }
                     --buffer; // make sure the line is processed a second time
                     // break; --- see fix notes above
@@ -384,7 +384,7 @@ void AC3DImporter::LoadObjectSection(std::vector<Object>& objects)
                         {
                             if(!GetNextLine())
                             {
-                                DefaultLogger::get()->error("AC3D: Unexpected EOF: surface references are incomplete");
+                                ASSIMP_LOG_ERROR("AC3D: Unexpected EOF: surface references are incomplete");
                                 break;
                             }
                             surf.entries.push_back(Surface::SurfaceEntry());
@@ -405,7 +405,7 @@ void AC3DImporter::LoadObjectSection(std::vector<Object>& objects)
             }
         }
     }
-    DefaultLogger::get()->error("AC3D: Unexpected EOF: \'kids\' line was expected");
+    ASSIMP_LOG_ERROR("AC3D: Unexpected EOF: \'kids\' line was expected");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -478,7 +478,7 @@ aiNode* AC3DImporter::ConvertObjectSection(Object& object,
                  therefore: if no surfaces are defined return point data only
              */
 
-            DefaultLogger::get()->info("AC3D: No surfaces defined in object definition, "
+            ASSIMP_LOG_INFO("AC3D: No surfaces defined in object definition, "
                 "a point list is returned");
 
             meshes.push_back(new aiMesh());
@@ -519,12 +519,12 @@ aiNode* AC3DImporter::ConvertObjectSection(Object& object,
                 unsigned int idx = (*it).mat;
                 if (idx >= needMat.size())
                 {
-                    DefaultLogger::get()->error("AC3D: material index is out of range");
+                    ASSIMP_LOG_ERROR("AC3D: material index is out of range");
                     idx = 0;
                 }
                 if ((*it).entries.empty())
                 {
-                    DefaultLogger::get()->warn("AC3D: surface her zero vertex references");
+                    ASSIMP_LOG_WARN("AC3D: surface her zero vertex references");
                 }
 
                 // validate all vertex indices to make sure we won't crash here
@@ -533,7 +533,7 @@ aiNode* AC3DImporter::ConvertObjectSection(Object& object,
                 {
                     if ((*it2).first >= object.vertices.size())
                     {
-                        DefaultLogger::get()->warn("AC3D: Invalid vertex reference");
+                        ASSIMP_LOG_WARN("AC3D: Invalid vertex reference");
                         (*it2).first = 0;
                     }
                 }
@@ -561,7 +561,7 @@ aiNode* AC3DImporter::ConvertObjectSection(Object& object,
 
                     if ((*it).flags & 0xf)
                     {
-                        DefaultLogger::get()->warn("AC3D: The type flag of a surface is unknown");
+                        ASSIMP_LOG_WARN("AC3D: The type flag of a surface is unknown");
                         (*it).flags &= ~(0xf);
                     }
 
@@ -712,7 +712,7 @@ aiNode* AC3DImporter::ConvertObjectSection(Object& object,
             if (object.subDiv)  {
                 if (configEvalSubdivision) {
                     std::unique_ptr<Subdivider> div(Subdivider::Create(Subdivider::CATMULL_CLARKE));
-                    DefaultLogger::get()->info("AC3D: Evaluating subdivision surface: "+object.name);
+                    ASSIMP_LOG_INFO("AC3D: Evaluating subdivision surface: "+object.name);
 
                     std::vector<aiMesh*> cpy(meshes.size()-oldm,NULL);
                     div->Subdivide(&meshes[oldm],cpy.size(),&cpy.front(),object.subDiv,true);
@@ -721,7 +721,7 @@ aiNode* AC3DImporter::ConvertObjectSection(Object& object,
                     // previous meshes are deleted vy Subdivide().
                 }
                 else {
-                    DefaultLogger::get()->info("AC3D: Letting the subdivision surface untouched due to my configuration: "
+                    ASSIMP_LOG_INFO("AC3D: Letting the subdivision surface untouched due to my configuration: "
                         +object.name);
                 }
             }
@@ -813,7 +813,7 @@ void AC3DImporter::InternReadFile( const std::string& pFile,
     unsigned int version = HexDigitToDecimal( buffer[4] );
     char msg[3];
     ASSIMP_itoa10(msg,3,version);
-    DefaultLogger::get()->info(std::string("AC3D file format version: ") + msg);
+    ASSIMP_LOG_INFO_F("AC3D file format version: ", msg);
 
     std::vector<Material> materials;
     materials.reserve(5);
@@ -857,7 +857,7 @@ void AC3DImporter::InternReadFile( const std::string& pFile,
     }
     if (materials.empty())
     {
-        DefaultLogger::get()->warn("AC3D: No material has been found");
+        ASSIMP_LOG_WARN("AC3D: No material has been found");
         materials.push_back(Material());
     }
 

code/AMFImporter.cpp

@@ -230,7 +230,7 @@ casu_cres:
 	if(!skipped_before[sk_idx])
 	{
 		skipped_before[sk_idx] = true;
-		LogWarning("Skipping node \"" + nn + "\" in " + pParentNodeName + ".");
+        ASSIMP_LOG_WARN_F("Skipping node \"", nn, "\" in ", pParentNodeName, ".");
 	}
 }
 

code/AMFImporter.hpp

@@ -358,18 +358,6 @@ private:
 	/************** Functions: LOG set *************/
 	/***********************************************/
 
-	/// \fn void LogInfo(const std::string& pMessage)
-	/// Short variant for calling \ref DefaultLogger::get()->info()
-	void LogInfo(const std::string& pMessage) { DefaultLogger::get()->info(pMessage); }
-
-	/// \fn void LogWarning(const std::string& pMessage)
-	/// Short variant for calling \ref DefaultLogger::get()->warn()
-	void LogWarning(const std::string& pMessage) { DefaultLogger::get()->warn(pMessage); }
-
-	/// \fn void LogError(const std::string& pMessage)
-	/// Short variant for calling \ref DefaultLogger::get()->error()
-	void LogError(const std::string& pMessage) { DefaultLogger::get()->error(pMessage); }
-
 	/***********************************************/
 	/************** Functions: XML set *************/
 	/***********************************************/

code/ASELoader.cpp

@@ -200,7 +200,7 @@ void ASEImporter::InternReadFile( const std::string& pFile,
             ConvertMeshes(*i,avOutMeshes);
         }
         if (tookNormals)    {
-            DefaultLogger::get()->debug("ASE: Taking normals from the file. Use "
+            ASSIMP_LOG_DEBUG("ASE: Taking normals from the file. Use "
                 "the AI_CONFIG_IMPORT_ASE_RECONSTRUCT_NORMALS setting if you "
                 "experience problems");
         }
@@ -297,15 +297,15 @@ void ASEImporter::BuildAnimations(const std::vector<BaseNode*>& nodes)
 
         // TODO: Implement Bezier & TCB support
         if ((*i)->mAnim.mPositionType != ASE::Animation::TRACK) {
-            DefaultLogger::get()->warn("ASE: Position controller uses Bezier/TCB keys. "
+            ASSIMP_LOG_WARN("ASE: Position controller uses Bezier/TCB keys. "
                 "This is not supported.");
         }
         if ((*i)->mAnim.mRotationType != ASE::Animation::TRACK) {
-            DefaultLogger::get()->warn("ASE: Rotation controller uses Bezier/TCB keys. "
+            ASSIMP_LOG_WARN("ASE: Rotation controller uses Bezier/TCB keys. "
                 "This is not supported.");
         }
         if ((*i)->mAnim.mScalingType != ASE::Animation::TRACK)  {
-            DefaultLogger::get()->warn("ASE: Position controller uses Bezier/TCB keys. "
+            ASSIMP_LOG_WARN("ASE: Position controller uses Bezier/TCB keys. "
                 "This is not supported.");
         }
 
@@ -624,7 +624,7 @@ void ASEImporter::AddNodes (const std::vector<BaseNode*>& nodes,
             node->mNumChildren++;
 
             // What we did is so great, it is at least worth a debug message
-            DefaultLogger::get()->debug("ASE: Generating separate target node ("+snode->mName+")");
+            ASSIMP_LOG_DEBUG("ASE: Generating separate target node ("+snode->mName+")");
         }
     }
 
@@ -947,7 +947,7 @@ void ASEImporter::ConvertMeshes(ASE::Mesh& mesh, std::vector<aiMesh*>& avOutMesh
     // validate the material index of the mesh
     if (mesh.iMaterialIndex >= mParser->m_vMaterials.size())    {
         mesh.iMaterialIndex = (unsigned int)mParser->m_vMaterials.size()-1;
-        DefaultLogger::get()->warn("Material index is out of range");
+        ASSIMP_LOG_WARN("Material index is out of range");
     }
 
     // If the material the mesh is assigned to is consisting of submeshes, split it
@@ -957,11 +957,11 @@ void ASEImporter::ConvertMeshes(ASE::Mesh& mesh, std::vector<aiMesh*>& avOutMesh
 
         std::vector<unsigned int>* aiSplit = new std::vector<unsigned int>[vSubMaterials.size()];
 
-        // build a list of all faces per submaterial
+        // build a list of all faces per sub-material
         for (unsigned int i = 0; i < mesh.mFaces.size();++i)    {
             // check range
             if (mesh.mFaces[i].iMaterial >= vSubMaterials.size()) {
-                DefaultLogger::get()->warn("Submaterial index is out of range");
+                ASSIMP_LOG_WARN("Submaterial index is out of range");
 
                 // use the last material instead
                 aiSplit[vSubMaterials.size()-1].push_back(i);

code/ASEParser.cpp

@@ -151,7 +151,7 @@ void Parser::LogWarning(const char* szWarn)
 #endif
 
     // output the warning to the logger ...
-    DefaultLogger::get()->warn(szTemp);
+    ASSIMP_LOG_WARN(szTemp);
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -167,7 +167,7 @@ void Parser::LogInfo(const char* szWarn)
 #endif
 
     // output the information to the logger ...
-    DefaultLogger::get()->info(szTemp);
+    ASSIMP_LOG_INFO(szTemp);
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -758,7 +758,7 @@ void Parser::ParseLV3MapBlock(Texture& map)
                     SkipToNextToken();
                 if (temp != "Bitmap" && temp != "Normal Bump")
                 {
-                    DefaultLogger::get()->warn("ASE: Skipping unknown map type: " + temp);
+                    ASSIMP_LOG_WARN_F("ASE: Skipping unknown map type: ", temp);
                     parsePath = false;
                 }
                 continue;
@@ -773,7 +773,7 @@ void Parser::ParseLV3MapBlock(Texture& map)
                 {
                     // Files with 'None' as map name are produced by
                     // an Maja to ASE exporter which name I forgot ..
-                    DefaultLogger::get()->warn("ASE: Skipping invalid map entry");
+                    ASSIMP_LOG_WARN("ASE: Skipping invalid map entry");
                     map.mMapName = "";
                 }
 
@@ -1072,7 +1072,7 @@ void Parser::ParseLV2AnimationBlock(ASE::BaseNode& mesh)
                         ( mesh.mType != BaseNode::Light  || ((ASE::Light&)mesh).mLightType   != ASE::Light::TARGET))
                     {
 
-                        DefaultLogger::get()->error("ASE: Found target animation channel "
+                        ASSIMP_LOG_ERROR("ASE: Found target animation channel "
                             "but the node is neither a camera nor a spot light");
                         anim = NULL;
                     }
@@ -1098,7 +1098,7 @@ void Parser::ParseLV2AnimationBlock(ASE::BaseNode& mesh)
                 if (!anim || anim == &mesh.mTargetAnim)
                 {
                     // Target animation channels may have no rotation channels
-                    DefaultLogger::get()->error("ASE: Ignoring scaling channel in target animation");
+                    ASSIMP_LOG_ERROR("ASE: Ignoring scaling channel in target animation");
                     SkipSection();
                 }
                 else ParseLV3ScaleAnimationBlock(*anim);
@@ -1112,7 +1112,7 @@ void Parser::ParseLV2AnimationBlock(ASE::BaseNode& mesh)
                 if (!anim || anim == &mesh.mTargetAnim)
                 {
                     // Target animation channels may have no rotation channels
-                    DefaultLogger::get()->error("ASE: Ignoring rotation channel in target animation");
+                    ASSIMP_LOG_ERROR("ASE: Ignoring rotation channel in target animation");
                     SkipSection();
                 }
                 else ParseLV3RotAnimationBlock(*anim);
@@ -1295,12 +1295,14 @@ void Parser::ParseLV2NodeTransformBlock(ASE::BaseNode& mesh)
                     {
                         mode = 2;
                     }
-                    else DefaultLogger::get()->error("ASE: Ignoring target transform, "
-                        "this is no spot light or target camera");
+                    else {
+                        ASSIMP_LOG_ERROR("ASE: Ignoring target transform, "
+                            "this is no spot light or target camera");
+                    }
                 }
                 else
                 {
-                    DefaultLogger::get()->error("ASE: Unknown node transformation: " + temp);
+                    ASSIMP_LOG_ERROR("ASE: Unknown node transformation: " + temp);
                     // mode = 0
                 }
                 continue;
@@ -1916,7 +1918,7 @@ void Parser::ParseLV3MeshNormalListBlock(ASE::Mesh& sMesh)
                 else if (index == face.mIndices[2])
                     index = 2;
                 else    {
-                    DefaultLogger::get()->error("ASE: Invalid vertex index in MESH_VERTEXNORMAL section");
+                    ASSIMP_LOG_ERROR("ASE: Invalid vertex index in MESH_VERTEXNORMAL section");
                     continue;
                 }
                 // We'll renormalize later
@@ -1928,7 +1930,7 @@ void Parser::ParseLV3MeshNormalListBlock(ASE::Mesh& sMesh)
                 ParseLV4MeshFloatTriple(&vNormal.x,faceIdx);
 
                 if (faceIdx >= sMesh.mFaces.size()) {
-                    DefaultLogger::get()->error("ASE: Invalid vertex index in MESH_FACENORMAL section");
+                    ASSIMP_LOG_ERROR("ASE: Invalid vertex index in MESH_FACENORMAL section");
                     continue;
                 }
 

code/Assimp.cpp

@@ -146,7 +146,7 @@ private:
 
 // ------------------------------------------------------------------------------------------------
 void ReportSceneNotFoundError() {
-    DefaultLogger::get()->error("Unable to find the Assimp::Importer for this aiScene. "
+    ASSIMP_LOG_ERROR("Unable to find the Assimp::Importer for this aiScene. "
         "The C-API does not accept scenes produced by the C++ API and vice versa");
 
     ai_assert(false);

code/B3DImporter.cpp

@@ -614,7 +614,7 @@ void B3DImporter::ReadBB3D( aiScene *scene ){
         if (!DefaultLogger::isNullLogger()) {
             char dmp[128];
             ai_snprintf(dmp, 128, "B3D file format version: %i",version);
-            DefaultLogger::get()->info(dmp);
+            ASSIMP_LOG_INFO(dmp);
         }
 
         while( ChunkSize() ){

code/BaseImporter.cpp

@@ -64,23 +64,24 @@ using namespace Assimp;
 // ------------------------------------------------------------------------------------------------
 // Constructor to be privately used by Importer
 BaseImporter::BaseImporter()
-: m_progress()
-{
+: m_progress() {
     // nothing to do here
 }
 
 // ------------------------------------------------------------------------------------------------
 // Destructor, private as well
-BaseImporter::~BaseImporter()
-{
+BaseImporter::~BaseImporter() {
     // nothing to do here
 }
 
 // ------------------------------------------------------------------------------------------------
 // Imports the given file and returns the imported data.
-aiScene* BaseImporter::ReadFile(const Importer* pImp, const std::string& pFile, IOSystem* pIOHandler)
-{
+aiScene* BaseImporter::ReadFile(const Importer* pImp, const std::string& pFile, IOSystem* pIOHandler) {
     m_progress = pImp->GetProgressHandler();
+    if (nullptr == m_progress) {
+        return nullptr;
+    }
+
     ai_assert(m_progress);
 
     // Gather configuration properties for this run
@@ -100,8 +101,8 @@ aiScene* BaseImporter::ReadFile(const Importer* pImp, const std::string& pFile,
     } catch( const std::exception& err )    {
         // extract error description
         m_ErrorText = err.what();
-        DefaultLogger::get()->error(m_ErrorText);
-        return NULL;
+        ASSIMP_LOG_ERROR(m_ErrorText);
+        return nullptr;
     }
 
     // return what we gathered from the import.
@@ -195,7 +196,7 @@ void BaseImporter::GetExtensionList(std::set<std::string>& extensions) {
             // We got a match, either we don't care where it is, or it happens to
             // be in the beginning of the file / line
             if (!tokensSol || r == buffer || r[-1] == '\r' || r[-1] == '\n') {
-                DefaultLogger::get()->debug(std::string("Found positive match for header keyword: ") + tokens[i]);
+                ASSIMP_LOG_DEBUG_F( "Found positive match for header keyword: ", tokens[i] );
                 return true;
             }
         }
@@ -322,7 +323,7 @@ void BaseImporter::ConvertToUTF8(std::vector<char>& data)
 
     // UTF 8 with BOM
     if((uint8_t)data[0] == 0xEF && (uint8_t)data[1] == 0xBB && (uint8_t)data[2] == 0xBF) {
-        DefaultLogger::get()->debug("Found UTF-8 BOM ...");
+        ASSIMP_LOG_DEBUG("Found UTF-8 BOM ...");
 
         std::copy(data.begin()+3,data.end(),data.begin());
         data.resize(data.size()-3);
@@ -341,7 +342,7 @@ void BaseImporter::ConvertToUTF8(std::vector<char>& data)
 
     // UTF 32 LE with BOM
     if(*((uint32_t*)&data.front()) == 0x0000FFFE) {
-        DefaultLogger::get()->debug("Found UTF-32 BOM ...");
+        ASSIMP_LOG_DEBUG("Found UTF-32 BOM ...");
 
         std::vector<char> output;
         int *ptr = (int*)&data[ 0 ];
@@ -361,7 +362,7 @@ void BaseImporter::ConvertToUTF8(std::vector<char>& data)
 
     // UTF 16 LE with BOM
     if(*((uint16_t*)&data.front()) == 0xFEFF) {
-        DefaultLogger::get()->debug("Found UTF-16 BOM ...");
+        ASSIMP_LOG_DEBUG("Found UTF-16 BOM ...");
 
         std::vector<unsigned char> output;
         utf8::utf16to8(data.begin(), data.end(), back_inserter(output));
@@ -386,16 +387,14 @@ void BaseImporter::ConvertUTF8toISO8859_1(std::string& data)
                 data[j] = ((unsigned char) data[++i] + 0x40);
             } else {
                 std::stringstream stream;
-
                 stream << "UTF8 code " << std::hex << data[i] << data[i + 1] << " can not be converted into ISA-8859-1.";
-
-                DefaultLogger::get()->error(stream.str());
+                ASSIMP_LOG_ERROR( stream.str() );
 
                 data[j++] = data[i++];
                 data[j] = data[i];
             }
         } else {
-            DefaultLogger::get()->error("UTF8 code but only one character remaining");
+            ASSIMP_LOG_ERROR("UTF8 code but only one character remaining");
 
             data[j] = data[i];
         }
@@ -411,7 +410,7 @@ void BaseImporter::TextFileToBuffer(IOStream* stream,
     std::vector<char>& data,
     TextFileMode mode)
 {
-    ai_assert(NULL != stream);
+    ai_assert(nullptr != stream);
 
     const size_t fileSize = stream->FileSize();
     if (mode == FORBID_EMPTY) {
@@ -472,14 +471,14 @@ struct Assimp::BatchData {
     , pImporter( nullptr )
     , next_id(0xffff)
     , validate( validate ) {
-        ai_assert( NULL != pIO );
+        ai_assert( nullptr != pIO );
         
         pImporter = new Importer();
         pImporter->SetIOHandler( pIO );
     }
 
     ~BatchData() {
-        pImporter->SetIOHandler( NULL ); /* get pointer back into our possession */
+        pImporter->SetIOHandler( nullptr ); /* get pointer back into our possession */
         delete pImporter;
     }
 
@@ -505,9 +504,8 @@ struct Assimp::BatchData {
 typedef std::list<LoadRequest>::iterator LoadReqIt;
 
 // ------------------------------------------------------------------------------------------------
-BatchLoader::BatchLoader(IOSystem* pIO, bool validate )
-{
-    ai_assert(NULL != pIO);
+BatchLoader::BatchLoader(IOSystem* pIO, bool validate ) {
+    ai_assert(nullptr != pIO);
 
     m_data = new BatchData( pIO, validate );
 }
@@ -573,7 +571,7 @@ aiScene* BatchLoader::GetImport( unsigned int which )
             return sc;
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -596,13 +594,13 @@ void BatchLoader::LoadAll()
 
         if (!DefaultLogger::isNullLogger())
         {
-            DefaultLogger::get()->info("%%% BEGIN EXTERNAL FILE %%%");
-            DefaultLogger::get()->info("File: " + (*it).file);
+            ASSIMP_LOG_INFO("%%% BEGIN EXTERNAL FILE %%%");
+            ASSIMP_LOG_INFO_F("File: ", (*it).file);
         }
         m_data->pImporter->ReadFile((*it).file,pp);
         (*it).scene = m_data->pImporter->GetOrphanedScene();
         (*it).loaded = true;
 
-        DefaultLogger::get()->info("%%% END EXTERNAL FILE %%%");
+        ASSIMP_LOG_INFO("%%% END EXTERNAL FILE %%%");
     }
 }

code/BaseProcess.cpp

@@ -85,7 +85,7 @@ void BaseProcess::ExecuteOnScene( Importer* pImp)
 
         // extract error description
         pImp->Pimpl()->mErrorString = err.what();
-        DefaultLogger::get()->error(pImp->Pimpl()->mErrorString);
+        ASSIMP_LOG_ERROR(pImp->Pimpl()->mErrorString);
 
         // and kill the partially imported data
         delete pImp->Pimpl()->mScene;

code/BlenderDNA.cpp

@@ -210,8 +210,7 @@ void DNAParser::Parse ()
         s.size = offset;
     }
 
-    DefaultLogger::get()->debug((format(),"BlenderDNA: Got ",dna.structures.size(),
-        " structures with totally ",fields," fields"));
+    ASSIMP_LOG_DEBUG_F( "BlenderDNA: Got ", dna.structures.size()," structures with totally ",fields," fields");
 
 #ifdef ASSIMP_BUILD_BLENDER_DEBUG
     dna.DumpToFile();
@@ -233,7 +232,7 @@ void DNA :: DumpToFile()
 
     std::ofstream f("dna.txt");
     if (f.fail()) {
-        DefaultLogger::get()->error("Could not dump dna to dna.txt");
+        ASSIMP_LOG_ERROR("Could not dump dna to dna.txt");
         return;
     }
     f << "Field format: type name offset size" << "\n";
@@ -248,7 +247,7 @@ void DNA :: DumpToFile()
     }
     f << std::flush;
 
-    DefaultLogger::get()->info("BlenderDNA: Dumped dna to dna.txt");
+    ASSIMP_LOG_INFO("BlenderDNA: Dumped dna to dna.txt");
 }
 #endif
 
@@ -367,7 +366,7 @@ void SectionParser :: Next()
     }
 
 #ifdef ASSIMP_BUILD_BLENDER_DEBUG
-    DefaultLogger::get()->debug(current.id);
+    ASSIMP_LOG_DEBUG(current.id);
 #endif
 }
 

code/BlenderDNA.h

@@ -381,7 +381,7 @@ template <>  struct Structure :: _defaultInitializer<ErrorPolicy_Warn> {
 
     template <typename T>
     void operator ()(T& out, const char* reason = "<add reason>") {
-        DefaultLogger::get()->warn(reason);
+        ASSIMP_LOG_WARN(reason);
 
         // ... and let the show go on
         _defaultInitializer<0 /*ErrorPolicy_Igno*/>()(out);

code/BlenderDNA.inl

@@ -468,9 +468,7 @@ template <> bool Structure :: ResolvePointer<std::shared_ptr,ElemBase>(std::shar
         // this might happen if DNA::RegisterConverters hasn't been called so far
         // or if the target type is not contained in `our` DNA.
         out.reset();
-        DefaultLogger::get()->warn((Formatter::format(),
-            "Failed to find a converter for the `",s.name,"` structure"
-            ));
+        ASSIMP_LOG_WARN_F( "Failed to find a converter for the `",s.name,"` structure" );
         return false;
     }
 

code/BlenderLoader.cpp

@@ -327,12 +327,12 @@ void BlenderImporter::ExtractScene(Scene& out, const FileDatabase& file)
     ss.Convert(out,file);
 
 #ifndef ASSIMP_BUILD_BLENDER_NO_STATS
-    DefaultLogger::get()->info((format(),
+    ASSIMP_LOG_INFO_F(
         "(Stats) Fields read: " ,file.stats().fields_read,
         ", pointers resolved: " ,file.stats().pointers_resolved,
         ", cache hits: "        ,file.stats().cache_hits,
         ", cached objects: "    ,file.stats().cached_objects
-    ));
+    );
 #endif
 }
 

code/BlenderModifier.h

@@ -86,7 +86,7 @@ public:
         const Scene& /*in*/,
         const Object& /*orig_object*/
     ) {
-        DefaultLogger::get()->warn((Formatter::format("This modifier is not supported, skipping: "),orig_modifier.dna_type));
+        ASSIMP_LOG_INFO_F("This modifier is not supported, skipping: ",orig_modifier.dna_type );
         return;
     }
 };

code/COBLoader.cpp

@@ -150,7 +150,7 @@ void COBImporter::InternReadFile( const std::string& pFile,
         ThrowException("Could not found magic id: `Caligari`");
     }
 
-    DefaultLogger::get()->info("File format tag: "+std::string(head+9,6));
+    ASSIMP_LOG_INFO_F("File format tag: ",std::string(head+9,6));
     if (head[16]!='L') {
         ThrowException("File is big-endian, which is not supported");
     }
@@ -303,7 +303,7 @@ aiNode* COBImporter::BuildNodes(const Node& root,const Scene& scin,aiScene* fill
                     }
                     std::unique_ptr<const Material> defmat;
                     if(!min) {
-                        DefaultLogger::get()->debug(format()<<"Could not resolve material index "
+                        ASSIMP_LOG_DEBUG(format()<<"Could not resolve material index "
                             <<reflist.first<<" - creating default material for this slot");
 
                         defmat.reset(min=new Material());
@@ -475,7 +475,7 @@ void COBImporter::UnsupportedChunk_Ascii(LineSplitter& splitter, const ChunkInfo
 
     // we can recover if the chunk size was specified.
     if(nfo.size != static_cast<unsigned int>(-1)) {
-        DefaultLogger::get()->error(error);
+        ASSIMP_LOG_ERROR(error);
 
         // (HACK) - our current position in the stream is the beginning of the
         // head line of the next chunk. That's fine, but the caller is going
@@ -487,46 +487,6 @@ void COBImporter::UnsupportedChunk_Ascii(LineSplitter& splitter, const ChunkInfo
     else ThrowException(error);
 }
 
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogWarn_Ascii(const LineSplitter& splitter, const format& message)    {
-    LogWarn_Ascii(message << " [at line "<< splitter.get_index()<<"]");
-}
-
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogError_Ascii(const LineSplitter& splitter, const format& message)   {
-    LogError_Ascii(message << " [at line "<< splitter.get_index()<<"]");
-}
-
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogInfo_Ascii(const LineSplitter& splitter, const format& message)    {
-    LogInfo_Ascii(message << " [at line "<< splitter.get_index()<<"]");
-}
-
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogDebug_Ascii(const LineSplitter& splitter, const format& message)   {
-    LogDebug_Ascii(message << " [at line "<< splitter.get_index()<<"]");
-}
-
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogWarn_Ascii(const Formatter::format& message)   {
-    DefaultLogger::get()->warn(std::string("COB: ")+=message);
-}
-
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogError_Ascii(const Formatter::format& message)  {
-    DefaultLogger::get()->error(std::string("COB: ")+=message);
-}
-
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogInfo_Ascii(const Formatter::format& message)   {
-    DefaultLogger::get()->info(std::string("COB: ")+=message);
-}
-
-// ------------------------------------------------------------------------------------------------
-void COBImporter::LogDebug_Ascii(const Formatter::format& message)  {
-    DefaultLogger::get()->debug(std::string("COB: ")+=message);
-}
-
 // ------------------------------------------------------------------------------------------------
 void COBImporter::ReadBasicNodeInfo_Ascii(Node& msh, LineSplitter& splitter, const ChunkInfo& /*nfo*/)
 {
@@ -576,8 +536,7 @@ void COBImporter::ReadMat1_Ascii(Scene& out, LineSplitter& splitter, const Chunk
 
     ++splitter;
     if (!splitter.match_start("mat# ")) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `mat#` line in `Mat1` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `mat#` line in `Mat1` chunk ", nfo.id );
         return;
     }
 
@@ -589,8 +548,7 @@ void COBImporter::ReadMat1_Ascii(Scene& out, LineSplitter& splitter, const Chunk
     ++splitter;
 
     if (!splitter.match_start("shader: ")) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `mat#` line in `Mat1` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `mat#` line in `Mat1` chunk ", nfo.id);
         return;
     }
     std::string shader = std::string(splitter[1]);
@@ -603,14 +561,12 @@ void COBImporter::ReadMat1_Ascii(Scene& out, LineSplitter& splitter, const Chunk
         mat.shader = Material::PHONG;
     }
     else if (shader != "flat") {
-        LogWarn_Ascii(splitter,format()<<
-            "Unknown value for `shader` in `Mat1` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Unknown value for `shader` in `Mat1` chunk ", nfo.id );
     }
 
     ++splitter;
     if (!splitter.match_start("rgb ")) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `rgb` line in `Mat1` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `rgb` line in `Mat1` chunk ", nfo.id);
     }
 
     const char* rgb = splitter[1];
@@ -618,8 +574,7 @@ void COBImporter::ReadMat1_Ascii(Scene& out, LineSplitter& splitter, const Chunk
 
     ++splitter;
     if (!splitter.match_start("alpha ")) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `alpha` line in `Mat1` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `alpha` line in `Mat1` chunk ", nfo.id);
     }
 
     const char* tokens[10];
@@ -640,8 +595,7 @@ void COBImporter::ReadUnit_Ascii(Scene& out, LineSplitter& splitter, const Chunk
     }
     ++splitter;
     if (!splitter.match_start("Units ")) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `Units` line in `Unit` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `Units` line in `Unit` chunk ", nfo.id);
         return;
     }
 
@@ -652,13 +606,12 @@ void COBImporter::ReadUnit_Ascii(Scene& out, LineSplitter& splitter, const Chunk
             const unsigned int t=strtoul10(splitter[1]);
 
             nd->unit_scale = t>=sizeof(units)/sizeof(units[0])?(
-                LogWarn_Ascii(splitter,format()<<t<<" is not a valid value for `Units` attribute in `Unit chunk` "<<nfo.id)
+                ASSIMP_LOG_WARN_F(t, " is not a valid value for `Units` attribute in `Unit chunk` ", nfo.id)
                 ,1.f):units[t];
             return;
         }
     }
-    LogWarn_Ascii(splitter,format()<<"`Unit` chunk "<<nfo.id<<" is a child of "
-        <<nfo.parent_id<<" which does not exist");
+    ASSIMP_LOG_WARN_F( "`Unit` chunk ", nfo.id, " is a child of ", nfo.parent_id, " which does not exist");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -692,15 +645,13 @@ void COBImporter::ReadLght_Ascii(Scene& out, LineSplitter& splitter, const Chunk
         msh.ltype = Light::SPOT;
     }
     else {
-        LogWarn_Ascii(splitter,format()<<
-            "Unknown kind of light source in `Lght` chunk "<<nfo.id<<" : "<<*splitter);
+        ASSIMP_LOG_WARN_F( "Unknown kind of light source in `Lght` chunk ", nfo.id, " : ", *splitter );
         msh.ltype = Light::SPOT;
     }
 
     ++splitter;
     if (!splitter.match_start("color ")) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `color` line in `Lght` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `color` line in `Lght` chunk ", nfo.id );
     }
 
     const char* rgb = splitter[1];
@@ -708,16 +659,14 @@ void COBImporter::ReadLght_Ascii(Scene& out, LineSplitter& splitter, const Chunk
 
     SkipSpaces(&rgb);
     if (strncmp(rgb,"cone angle",10)) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `cone angle` entity in `color` line in `Lght` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `cone angle` entity in `color` line in `Lght` chunk ", nfo.id );
     }
     SkipSpaces(rgb+10,&rgb);
     msh.angle = fast_atof(&rgb);
 
     SkipSpaces(&rgb);
     if (strncmp(rgb,"inner angle",11)) {
-        LogWarn_Ascii(splitter,format()<<
-            "Expected `inner angle` entity in `color` line in `Lght` chunk "<<nfo.id);
+        ASSIMP_LOG_WARN_F( "Expected `inner angle` entity in `color` line in `Lght` chunk ", nfo.id);
     }
     SkipSpaces(rgb+11,&rgb);
     msh.inner_angle = fast_atof(&rgb);
@@ -828,7 +777,7 @@ void COBImporter::ReadPolH_Ascii(Scene& out, LineSplitter& splitter, const Chunk
 
             for(unsigned int cur = 0; cur < cnt && ++splitter ;++cur) {
                 if (splitter.match_start("Hole")) {
-                    LogWarn_Ascii(splitter,"Skipping unsupported `Hole` line");
+                    ASSIMP_LOG_WARN( "Skipping unsupported `Hole` line" );
                     continue;
                 }
 
@@ -888,7 +837,7 @@ void COBImporter::ReadBitM_Ascii(Scene& /*out*/, LineSplitter& splitter, const C
 
     const unsigned int head = strtoul10((++splitter)[1]);
     if (head != sizeof(Bitmap::BitmapHeader)) {
-        LogWarn_Ascii(splitter,"Unexpected ThumbNailHdrSize, skipping this chunk");
+        ASSIMP_LOG_WARN("Unexpected ThumbNailHdrSize, skipping this chunk");
         return;
     }
 
@@ -935,7 +884,7 @@ void COBImporter::UnsupportedChunk_Binary( StreamReaderLE& reader, const ChunkIn
 
     // we can recover if the chunk size was specified.
     if(nfo.size != static_cast<unsigned int>(-1)) {
-        DefaultLogger::get()->error(error);
+        ASSIMP_LOG_ERROR(error);
         reader.IncPtr(nfo.size);
     }
     else ThrowException(error);
@@ -1142,7 +1091,7 @@ void COBImporter::ReadMat1_Binary(COB::Scene& out, StreamReaderLE& reader, const
             mat.type = Material::METAL;
             break;
         default:
-            LogError_Ascii(format("Unrecognized shader type in `Mat1` chunk with id ")<<nfo.id);
+            ASSIMP_LOG_ERROR_F( "Unrecognized shader type in `Mat1` chunk with id ", nfo.id );
             mat.type = Material::FLAT;
     }
 
@@ -1157,7 +1106,7 @@ void COBImporter::ReadMat1_Binary(COB::Scene& out, StreamReaderLE& reader, const
             mat.autofacet = Material::SMOOTH;
             break;
         default:
-            LogError_Ascii(format("Unrecognized faceting mode in `Mat1` chunk with id ")<<nfo.id);
+            ASSIMP_LOG_ERROR_F( "Unrecognized faceting mode in `Mat1` chunk with id ", nfo.id );
             mat.autofacet = Material::FACETED;
     }
     mat.autofacet_angle = static_cast<float>(reader.GetI1());
@@ -1289,16 +1238,13 @@ void COBImporter::ReadUnit_Binary(COB::Scene& out, StreamReaderLE& reader, const
         if (nd->id == nfo.parent_id) {
             const unsigned int t=reader.GetI2();
             nd->unit_scale = t>=sizeof(units)/sizeof(units[0])?(
-                LogWarn_Ascii(format()<<t<<" is not a valid value for `Units` attribute in `Unit chunk` "<<nfo.id)
+                ASSIMP_LOG_WARN_F(t," is not a valid value for `Units` attribute in `Unit chunk` ", nfo.id)
                 ,1.f):units[t];
 
             return;
         }
     }
-    LogWarn_Ascii(format()<<"`Unit` chunk "<<nfo.id<<" is a child of "
-        <<nfo.parent_id<<" which does not exist");
+    ASSIMP_LOG_WARN_F( "`Unit` chunk ", nfo.id, " is a child of ", nfo.parent_id, " which does not exist");
 }
 
-
-#endif
-
+#endif // ASSIMP_BUILD_NO_COB_IMPORTER

code/COBLoader.h

@@ -77,10 +77,7 @@ class COBImporter : public BaseImporter
 public:
     COBImporter();
     ~COBImporter();
-
-
-public:
-
+    
     // --------------------
     bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
         bool checkSig) const;
@@ -115,15 +112,11 @@ private:
      *  @param stream Stream to read from.  */
     void ReadBinaryFile(COB::Scene& out, StreamReaderLE* stream);
 
-
-private:
-
     // Conversion to Assimp output format
 
     aiNode* BuildNodes(const COB::Node& root,const COB::Scene& scin,aiScene* fill);
 
 private:
-
     // ASCII file support
 
     void UnsupportedChunk_Ascii(LineSplitter& splitter, const COB::ChunkInfo& nfo, const char* name);
@@ -142,19 +135,6 @@ private:
     void ReadChan_Ascii(COB::Scene& out, LineSplitter& splitter, const COB::ChunkInfo& nfo);
 
 
-    // ASCII file logging stuff to add proper line numbers to messages
-
-    static void LogWarn_Ascii (const LineSplitter& splitter, const Formatter::format& message);
-    static void LogError_Ascii(const LineSplitter& splitter, const Formatter::format& message);
-    static void LogInfo_Ascii (const LineSplitter& splitter, const Formatter::format& message);
-    static void LogDebug_Ascii(const LineSplitter& splitter, const Formatter::format& message);
-
-    static void LogWarn_Ascii  (const Formatter::format& message);
-    static void LogError_Ascii (const Formatter::format& message);
-    static void LogInfo_Ascii  (const Formatter::format& message);
-    static void LogDebug_Ascii (const Formatter::format& message);
-
-
     // Binary file support
 
     void UnsupportedChunk_Binary(StreamReaderLE& reader, const COB::ChunkInfo& nfo, const char* name);

code/CSMLoader.cpp

@@ -233,7 +233,7 @@ void CSMImporter::InternReadFile( const std::string& pFile,
 
                         if (TokenMatchI(buffer, "DROPOUT", 7))  {
                             // seems this is invalid marker data; at least the doc says it's possible
-                            DefaultLogger::get()->warn("CSM: Encountered invalid marker data (DROPOUT)");
+                            ASSIMP_LOG_WARN("CSM: Encountered invalid marker data (DROPOUT)");
                         }
                         else    {
                             aiVectorKey* sub = s->mPositionKeys + s->mNumPositionKeys;

code/CalcTangentsProcess.cpp

@@ -95,7 +95,7 @@ void CalcTangentsProcess::Execute( aiScene* pScene)
 {
     ai_assert( NULL != pScene );
 
-    DefaultLogger::get()->debug("CalcTangentsProcess begin");
+    ASSIMP_LOG_DEBUG("CalcTangentsProcess begin");
 
     bool bHas = false;
     for ( unsigned int a = 0; a < pScene->mNumMeshes; a++ ) {
@@ -103,9 +103,9 @@ void CalcTangentsProcess::Execute( aiScene* pScene)
     }
 
     if ( bHas ) {
-        DefaultLogger::get()->info("CalcTangentsProcess finished. Tangents have been calculated");
+        ASSIMP_LOG_INFO("CalcTangentsProcess finished. Tangents have been calculated");
     } else {
-        DefaultLogger::get()->debug("CalcTangentsProcess finished");
+        ASSIMP_LOG_DEBUG("CalcTangentsProcess finished");
     }
 }
 
@@ -126,19 +126,19 @@ bool CalcTangentsProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
     // are undefined.
     if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON)))
     {
-        DefaultLogger::get()->info("Tangents are undefined for line and point meshes");
+        ASSIMP_LOG_INFO("Tangents are undefined for line and point meshes");
         return false;
     }
 
     // what we can check, though, is if the mesh has normals and texture coordinates. That's a requirement
     if( pMesh->mNormals == NULL)
     {
-        DefaultLogger::get()->error("Failed to compute tangents; need normals");
+        ASSIMP_LOG_ERROR("Failed to compute tangents; need normals");
         return false;
     }
     if( configSourceUV >= AI_MAX_NUMBER_OF_TEXTURECOORDS || !pMesh->mTextureCoords[configSourceUV] )
     {
-        DefaultLogger::get()->error((Formatter::format("Failed to compute tangents; need UV data in channel"),configSourceUV));
+        ASSIMP_LOG_ERROR((Formatter::format("Failed to compute tangents; need UV data in channel"),configSourceUV));
         return false;
     }
 

code/ColladaLoader.cpp

@@ -294,7 +294,7 @@ void ColladaLoader::ResolveNodeInstances( const ColladaParser& pParser, const Co
             nd = FindNode(pParser.mRootNode, nodeInst.mNode);
         }
         if (!nd)
-            DefaultLogger::get()->error("Collada: Unable to resolve reference to instanced node " + nodeInst.mNode);
+            ASSIMP_LOG_ERROR_F("Collada: Unable to resolve reference to instanced node ", nodeInst.mNode);
 
         else {
             //  attach this node to the list of children
@@ -311,7 +311,7 @@ void ColladaLoader::ApplyVertexToEffectSemanticMapping(Collada::Sampler& sampler
     std::map<std::string, Collada::InputSemanticMapEntry>::const_iterator it = table.mMap.find(sampler.mUVChannel);
     if (it != table.mMap.end()) {
         if (it->second.mType != Collada::IT_Texcoord)
-            DefaultLogger::get()->error("Collada: Unexpected effect input mapping");
+            ASSIMP_LOG_ERROR("Collada: Unexpected effect input mapping");
 
         sampler.mUVId = it->second.mSet;
     }
@@ -327,7 +327,7 @@ void ColladaLoader::BuildLightsForNode( const ColladaParser& pParser, const Coll
         ColladaParser::LightLibrary::const_iterator srcLightIt = pParser.mLightLibrary.find( lid.mLight);
         if( srcLightIt == pParser.mLightLibrary.end())
         {
-            DefaultLogger::get()->warn("Collada: Unable to find light for ID \"" + lid.mLight + "\". Skipping.");
+            ASSIMP_LOG_WARN_F("Collada: Unable to find light for ID \"" , lid.mLight , "\". Skipping.");
             continue;
         }
         const Collada::Light* srcLight = &srcLightIt->second;
@@ -395,14 +395,14 @@ void ColladaLoader::BuildCamerasForNode( const ColladaParser& pParser, const Col
         ColladaParser::CameraLibrary::const_iterator srcCameraIt = pParser.mCameraLibrary.find( cid.mCamera);
         if( srcCameraIt == pParser.mCameraLibrary.end())
         {
-            DefaultLogger::get()->warn("Collada: Unable to find camera for ID \"" + cid.mCamera + "\". Skipping.");
+            ASSIMP_LOG_WARN_F("Collada: Unable to find camera for ID \"" , cid.mCamera , "\". Skipping.");
             continue;
         }
         const Collada::Camera* srcCamera = &srcCameraIt->second;
 
         // orthographic cameras not yet supported in Assimp
         if (srcCamera->mOrtho) {
-            DefaultLogger::get()->warn("Collada: Orthographic cameras are not supported.");
+            ASSIMP_LOG_WARN("Collada: Orthographic cameras are not supported.");
         }
 
         // now fill our ai data structure
@@ -472,7 +472,7 @@ void ColladaLoader::BuildMeshesForNode( const ColladaParser& pParser, const Coll
 
             if( !srcMesh)
             {
-                DefaultLogger::get()->warn( format() << "Collada: Unable to find geometry for ID \"" << mid.mMeshOrController << "\". Skipping." );
+                ASSIMP_LOG_WARN_F( "Collada: Unable to find geometry for ID \"", mid.mMeshOrController, "\". Skipping." );
                 continue;
             }
         } else
@@ -501,7 +501,8 @@ void ColladaLoader::BuildMeshesForNode( const ColladaParser& pParser, const Coll
             }
             else
             {
-                DefaultLogger::get()->warn( format() << "Collada: No material specified for subgroup <" << submesh.mMaterial << "> in geometry <" << mid.mMeshOrController << ">." );
+                ASSIMP_LOG_WARN_F( "Collada: No material specified for subgroup <", submesh.mMaterial, "> in geometry <",
+                    mid.mMeshOrController, ">." );
                 if( !mid.mMaterials.empty() )
                     meshMaterial = mid.mMaterials.begin()->second.mMatName;
             }
@@ -874,7 +875,7 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
             if( bnode)
                 bone->mName.Set( FindNameForNode( bnode));
             else
-                DefaultLogger::get()->warn( format() << "ColladaLoader::CreateMesh(): could not find corresponding node for joint \"" << bone->mName.data << "\"." );
+                ASSIMP_LOG_WARN_F( "ColladaLoader::CreateMesh(): could not find corresponding node for joint \"", bone->mName.data, "\"." );
 
             // and insert bone
             dstMesh->mBones[boneCount++] = bone;
@@ -1175,9 +1176,8 @@ void ColladaLoader::CreateAnimation( aiScene* pScene, const ColladaParser& pPars
                 else if( subElement == "Z")
                     entry.mSubElement = 2;
                 else
-                    DefaultLogger::get()->warn( format() << "Unknown anim subelement <" << subElement << ">. Ignoring" );
-            } else
-            {
+                    ASSIMP_LOG_WARN_F( "Unknown anim subelement <", subElement, ">. Ignoring" );
+            } else {
                 // no subelement following, transformId is remaining string
                 entry.mTransformId = srcChannel.mTarget.substr( slashPos+1);
             }
@@ -1406,7 +1406,7 @@ void ColladaLoader::CreateAnimation( aiScene* pScene, const ColladaParser& pPars
               anims.push_back( dstAnim);
         } else
         {
-          DefaultLogger::get()->warn( "Collada loader: found empty animation channel, ignored. Please check your exporter.");
+            ASSIMP_LOG_WARN( "Collada loader: found empty animation channel, ignored. Please check your exporter.");
         }
 
         if( !entries.empty() && entries.front().mTimeAccessor->mCount > 0 )
@@ -1561,7 +1561,7 @@ void ColladaLoader::AddTexture ( aiMaterial& mat, const ColladaParser& pParser,
             }
         }
         if (-1 == map) {
-            DefaultLogger::get()->warn("Collada: unable to determine UV channel for texture");
+            ASSIMP_LOG_WARN("Collada: unable to determine UV channel for texture");
             map = 0;
         }
     }
@@ -1598,7 +1598,7 @@ void ColladaLoader::FillMaterials( const ColladaParser& pParser, aiScene* /*pSce
                 break;
 
             default:
-                DefaultLogger::get()->warn("Collada: Unrecognized shading mode, using gouraud shading");
+                ASSIMP_LOG_WARN("Collada: Unrecognized shading mode, using gouraud shading");
                 shadeMode = aiShadingMode_Gouraud;
                 break;
             }
@@ -1657,9 +1657,10 @@ void ColladaLoader::FillMaterials( const ColladaParser& pParser, aiScene* /*pSce
         }
 
         // add textures, if given
-        if( !effect.mTexAmbient.mName.empty())
-             /* It is merely a lightmap */
-            AddTexture( mat, pParser, effect, effect.mTexAmbient, aiTextureType_LIGHTMAP);
+        if (!effect.mTexAmbient.mName.empty()) {
+            // It is merely a light-map
+            AddTexture(mat, pParser, effect, effect.mTexAmbient, aiTextureType_LIGHTMAP);
+        }
 
         if( !effect.mTexEmissive.mName.empty())
             AddTexture( mat, pParser, effect, effect.mTexEmissive, aiTextureType_EMISSIVE);
@@ -1687,8 +1688,8 @@ void ColladaLoader::BuildMaterials( ColladaParser& pParser, aiScene* /*pScene*/)
 {
     newMats.reserve(pParser.mMaterialLibrary.size());
 
-    for( ColladaParser::MaterialLibrary::const_iterator matIt = pParser.mMaterialLibrary.begin(); matIt != pParser.mMaterialLibrary.end(); ++matIt)
-    {
+    for( ColladaParser::MaterialLibrary::const_iterator matIt = pParser.mMaterialLibrary.begin(); 
+        matIt != pParser.mMaterialLibrary.end(); ++matIt) {
         const Collada::Material& material = matIt->second;
         // a material is only a reference to an effect
         ColladaParser::EffectLibrary::iterator effIt = pParser.mEffectLibrary.find( material.mEffect);
@@ -1752,11 +1753,7 @@ aiString ColladaLoader::FindFilenameForEffectTexture( const ColladaParser& pPars
     ColladaParser::ImageLibrary::const_iterator imIt = pParser.mImageLibrary.find( name);
     if( imIt == pParser.mImageLibrary.end())
     {
-        //missing texture should not stop the conversion
-        //throw DeadlyImportError( format() <<
-        //    "Collada: Unable to resolve effect texture entry \"" << pName << "\", ended up at ID \"" << name << "\"." );
-
-        DefaultLogger::get()->warn("Collada: Unable to resolve effect texture entry \"" + pName + "\", ended up at ID \"" + name + "\".");
+        ASSIMP_LOG_WARN_F("Collada: Unable to resolve effect texture entry \"", pName, "\", ended up at ID \"", name, "\".");
 
         //set default texture file name
         result.Set(name + ".jpg");
@@ -1775,7 +1772,7 @@ aiString ColladaLoader::FindFilenameForEffectTexture( const ColladaParser& pPars
 
         // setup format hint
         if (imIt->second.mEmbeddedFormat.length() > 3) {
-            DefaultLogger::get()->warn("Collada: texture format hint is too long, truncating to 3 characters");
+            ASSIMP_LOG_WARN("Collada: texture format hint is too long, truncating to 3 characters");
         }
         strncpy(tex->achFormatHint,imIt->second.mEmbeddedFormat.c_str(),3);
 
@@ -1811,7 +1808,7 @@ void ColladaLoader::ConvertPath (aiString& ss)
 {
     // TODO: collada spec, p 22. Handle URI correctly.
     // For the moment we're just stripping the file:// away to make it work.
-    // Windoes doesn't seem to be able to find stuff like
+    // Windows doesn't seem to be able to find stuff like
     // 'file://..\LWO\LWO2\MappingModes\earthSpherical.jpg'
     if (0 == strncmp(ss.data,"file://",7))
     {
@@ -1825,7 +1822,7 @@ void ColladaLoader::ConvertPath (aiString& ss)
   if( ss.data[0] == '/' && isalpha( ss.data[1]) && ss.data[2] == ':' )
   {
     ss.length--;
-    memmove( ss.data, ss.data+1, ss.length);
+    ::memmove( ss.data, ss.data+1, ss.length);
     ss.data[ss.length] = 0;
   }
 
@@ -1875,9 +1872,9 @@ const std::string& ColladaLoader::ReadString( const Collada::Accessor& pAccessor
 void ColladaLoader::CollectNodes( const aiNode* pNode, std::vector<const aiNode*>& poNodes) const
 {
     poNodes.push_back( pNode);
-
-    for( size_t a = 0; a < pNode->mNumChildren; ++a)
-        CollectNodes( pNode->mChildren[a], poNodes);
+    for (size_t a = 0; a < pNode->mNumChildren; ++a) {
+        CollectNodes(pNode->mChildren[a], poNodes);
+    }
 }
 
 // ------------------------------------------------------------------------------------------------

code/ColladaParser.cpp

@@ -152,22 +152,22 @@ void ColladaParser::ReadContents()
 
                     if (!::strncmp(version,"1.5",3)) {
                         mFormat =  FV_1_5_n;
-                        DefaultLogger::get()->debug("Collada schema version is 1.5.n");
+                        ASSIMP_LOG_DEBUG("Collada schema version is 1.5.n");
                     }
                     else if (!::strncmp(version,"1.4",3)) {
                         mFormat =  FV_1_4_n;
-                        DefaultLogger::get()->debug("Collada schema version is 1.4.n");
+                        ASSIMP_LOG_DEBUG("Collada schema version is 1.4.n");
                     }
                     else if (!::strncmp(version,"1.3",3)) {
                         mFormat =  FV_1_3_n;
-                        DefaultLogger::get()->debug("Collada schema version is 1.3.n");
+                        ASSIMP_LOG_DEBUG("Collada schema version is 1.3.n");
                     }
                 }
 
                 ReadStructure();
             } else
             {
-                DefaultLogger::get()->debug( format() << "Ignoring global element <" << mReader->getNodeName() << ">." );
+                ASSIMP_LOG_DEBUG_F( "Ignoring global element <", mReader->getNodeName(), ">." );
                 SkipElement();
             }
         } else
@@ -984,13 +984,13 @@ void ColladaParser::ReadImage( Collada::Image& pImage)
                     // they're not skipped.
                     int attrib = TestAttribute("array_index");
                     if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) {
-                        DefaultLogger::get()->warn("Collada: Ignoring texture array index");
+                        ASSIMP_LOG_WARN("Collada: Ignoring texture array index");
                         continue;
                     }
 
                     attrib = TestAttribute("mip_index");
                     if (attrib != -1 && mReader->getAttributeValueAsInt(attrib) > 0) {
-                        DefaultLogger::get()->warn("Collada: Ignoring MIP map layer");
+                        ASSIMP_LOG_WARN("Collada: Ignoring MIP map layer");
                         continue;
                     }
 
@@ -1011,7 +1011,7 @@ void ColladaParser::ReadImage( Collada::Image& pImage)
                     // embedded image. get format
                     const int attrib = TestAttribute("format");
                     if (-1 == attrib)
-                        DefaultLogger::get()->warn("Collada: Unknown image file format");
+                        ASSIMP_LOG_WARN("Collada: Unknown image file format");
                     else pImage.mEmbeddedFormat = mReader->getAttributeValue(attrib);
 
                     const char* data = GetTextContent();
@@ -1590,7 +1590,7 @@ void ColladaParser::ReadSamplerProperties( Sampler& out )
                     out.mOp = aiTextureOp_Multiply;
 
                 else  {
-                    DefaultLogger::get()->warn("Collada: Unsupported MAYA texture blend mode");
+                    ASSIMP_LOG_WARN("Collada: Unsupported MAYA texture blend mode");
                 }
                 TestClosing( "blend_mode");
             }
@@ -2541,7 +2541,7 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
             if( pInput.mIndex == 0)
                 pMesh->mPositions.push_back( aiVector3D( obj[0], obj[1], obj[2]));
             else
-                DefaultLogger::get()->error("Collada: just one vertex position stream supported");
+                ASSIMP_LOG_ERROR("Collada: just one vertex position stream supported");
             break;
         case IT_Normal:
             // pad to current vertex count if necessary
@@ -2552,7 +2552,7 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
             if( pInput.mIndex == 0)
                 pMesh->mNormals.push_back( aiVector3D( obj[0], obj[1], obj[2]));
             else
-                DefaultLogger::get()->error("Collada: just one vertex normal stream supported");
+                ASSIMP_LOG_ERROR("Collada: just one vertex normal stream supported");
             break;
         case IT_Tangent:
             // pad to current vertex count if necessary
@@ -2563,7 +2563,7 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
             if( pInput.mIndex == 0)
                 pMesh->mTangents.push_back( aiVector3D( obj[0], obj[1], obj[2]));
             else
-                DefaultLogger::get()->error("Collada: just one vertex tangent stream supported");
+                ASSIMP_LOG_ERROR("Collada: just one vertex tangent stream supported");
             break;
         case IT_Bitangent:
             // pad to current vertex count if necessary
@@ -2574,7 +2574,7 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
             if( pInput.mIndex == 0)
                 pMesh->mBitangents.push_back( aiVector3D( obj[0], obj[1], obj[2]));
             else
-                DefaultLogger::get()->error("Collada: just one vertex bitangent stream supported");
+                ASSIMP_LOG_ERROR("Collada: just one vertex bitangent stream supported");
             break;
         case IT_Texcoord:
             // up to 4 texture coord sets are fine, ignore the others
@@ -2590,7 +2590,7 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
                     pMesh->mNumUVComponents[pInput.mIndex]=3;
             }   else
             {
-                DefaultLogger::get()->error("Collada: too many texture coordinate sets. Skipping.");
+                ASSIMP_LOG_ERROR("Collada: too many texture coordinate sets. Skipping.");
             }
             break;
         case IT_Color:
@@ -2610,7 +2610,7 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
                 pMesh->mColors[pInput.mIndex].push_back(result);
             } else
             {
-                DefaultLogger::get()->error("Collada: too many vertex color sets. Skipping.");
+                ASSIMP_LOG_ERROR("Collada: too many vertex color sets. Skipping.");
             }
 
             break;
@@ -2739,7 +2739,7 @@ void ColladaParser::ReadSceneNode( Node* pNode)
                 {
                     const char* s = mReader->getAttributeValue(attrId);
                     if (s[0] != '#')
-                        DefaultLogger::get()->error("Collada: Unresolved reference format of camera");
+                        ASSIMP_LOG_ERROR("Collada: Unresolved reference format of camera");
                     else
                         pNode->mPrimaryCamera = s+1;
                 }
@@ -2752,7 +2752,7 @@ void ColladaParser::ReadSceneNode( Node* pNode)
                 {
                     const char* s = mReader->getAttributeValue(attrID);
                     if (s[0] != '#')
-                        DefaultLogger::get()->error("Collada: Unresolved reference format of node");
+                        ASSIMP_LOG_ERROR("Collada: Unresolved reference format of node");
                     else
                     {
                         pNode->mNodeInstances.push_back(NodeInstance());
@@ -2770,7 +2770,7 @@ void ColladaParser::ReadSceneNode( Node* pNode)
                 // Reference to a light, name given in 'url' attribute
                 int attrID = TestAttribute("url");
                 if (-1 == attrID)
-                    DefaultLogger::get()->warn("Collada: Expected url attribute in <instance_light> element");
+                    ASSIMP_LOG_WARN("Collada: Expected url attribute in <instance_light> element");
                 else
                 {
                     const char* url = mReader->getAttributeValue( attrID);
@@ -2786,7 +2786,7 @@ void ColladaParser::ReadSceneNode( Node* pNode)
                 // Reference to a camera, name given in 'url' attribute
                 int attrID = TestAttribute("url");
                 if (-1 == attrID)
-                    DefaultLogger::get()->warn("Collada: Expected url attribute in <instance_camera> element");
+                    ASSIMP_LOG_WARN("Collada: Expected url attribute in <instance_camera> element");
                 else
                 {
                     const char* url = mReader->getAttributeValue( attrID);
@@ -2873,7 +2873,7 @@ void ColladaParser::ReadMaterialVertexInputBinding( Collada::SemanticMappingTabl
                 tbl.mMap[s] = vn;
             }
             else if( IsElement( "bind")) {
-                DefaultLogger::get()->warn("Collada: Found unsupported <bind> element");
+                ASSIMP_LOG_WARN("Collada: Found unsupported <bind> element");
             }
         }
         else if( mReader->getNodeType() == irr::io::EXN_ELEMENT_END)    {
@@ -2992,10 +2992,9 @@ void ColladaParser::ReportWarning(const char* msg,...)
     ai_assert(iLen > 0);
 
     va_end(args);
-    DefaultLogger::get()->warn("Validation warning: " + std::string(szBuffer,iLen));
+    ASSIMP_LOG_WARN_F("Validation warning: ", std::string(szBuffer,iLen));
 }
 
-
 // ------------------------------------------------------------------------------------------------
 // Skips all data until the end node of the current element
 void ColladaParser::SkipElement()
@@ -3190,7 +3189,7 @@ aiMatrix4x4 ColladaParser::CalculateResultTransform( const std::vector<Transform
 Collada::InputType ColladaParser::GetTypeForSemantic( const std::string& semantic)
 {
     if ( semantic.empty() ) {
-        DefaultLogger::get()->warn( format() << "Vertex input type is empty." );
+        ASSIMP_LOG_WARN("Vertex input type is empty." );
         return IT_Invalid;
     }
 
@@ -3209,7 +3208,7 @@ Collada::InputType ColladaParser::GetTypeForSemantic( const std::string& semanti
     else if( semantic == "TANGENT" || semantic == "TEXTANGENT")
         return IT_Tangent;
 
-    DefaultLogger::get()->warn( format() << "Unknown vertex input type \"" << semantic << "\". Ignoring." );
+    ASSIMP_LOG_WARN_F( "Unknown vertex input type \"", semantic, "\". Ignoring." );
     return IT_Invalid;
 }
 

code/ComputeUVMappingProcess.cpp

@@ -99,7 +99,7 @@ inline unsigned int FindEmptyUVChannel (aiMesh* mesh)
     for (unsigned int m = 0; m < AI_MAX_NUMBER_OF_TEXTURECOORDS;++m)
         if (!mesh->mTextureCoords[m])return m;
 
-    DefaultLogger::get()->error("Unable to compute UV coordinates, no free UV slot found");
+    ASSIMP_LOG_ERROR("Unable to compute UV coordinates, no free UV slot found");
     return UINT_MAX;
 }
 
@@ -384,13 +384,13 @@ void ComputeUVMappingProcess::ComputePlaneMapping(aiMesh* mesh,const aiVector3D&
 // ------------------------------------------------------------------------------------------------
 void ComputeUVMappingProcess::ComputeBoxMapping( aiMesh*, aiVector3D* )
 {
-    DefaultLogger::get()->error("Mapping type currently not implemented");
+    ASSIMP_LOG_ERROR("Mapping type currently not implemented");
 }
 
 // ------------------------------------------------------------------------------------------------
 void ComputeUVMappingProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("GenUVCoordsProcess begin");
+    ASSIMP_LOG_DEBUG("GenUVCoordsProcess begin");
     char buffer[1024];
 
     if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT)
@@ -418,7 +418,7 @@ void ComputeUVMappingProcess::Execute( aiScene* pScene)
                             TextureTypeToString((aiTextureType)prop->mSemantic),prop->mIndex,
                             MappingTypeToString(mapping));
 
-                        DefaultLogger::get()->info(buffer);
+                        ASSIMP_LOG_INFO(buffer);
                     }
 
                     if (aiTextureMapping_OTHER == mapping)
@@ -485,7 +485,7 @@ void ComputeUVMappingProcess::Execute( aiScene* pScene)
                             }
                             if (m && idx != outIdx)
                             {
-                                DefaultLogger::get()->warn("UV index mismatch. Not all meshes assigned to "
+                                ASSIMP_LOG_WARN("UV index mismatch. Not all meshes assigned to "
                                     "this material have equal numbers of UV channels. The UV index stored in  "
                                     "the material structure does therefore not apply for all meshes. ");
                             }
@@ -502,5 +502,5 @@ void ComputeUVMappingProcess::Execute( aiScene* pScene)
             }
         }
     }
-    DefaultLogger::get()->debug("GenUVCoordsProcess finished");
+    ASSIMP_LOG_DEBUG("GenUVCoordsProcess finished");
 }

code/ConvertToLHProcess.cpp

@@ -85,7 +85,7 @@ void MakeLeftHandedProcess::Execute( aiScene* pScene)
 {
     // Check for an existent root node to proceed
     ai_assert(pScene->mRootNode != NULL);
-    DefaultLogger::get()->debug("MakeLeftHandedProcess begin");
+    ASSIMP_LOG_DEBUG("MakeLeftHandedProcess begin");
 
     // recursively convert all the nodes
     ProcessNode( pScene->mRootNode, aiMatrix4x4());
@@ -110,7 +110,7 @@ void MakeLeftHandedProcess::Execute( aiScene* pScene)
             ProcessAnimation( nodeAnim);
         }
     }
-    DefaultLogger::get()->debug("MakeLeftHandedProcess finished");
+    ASSIMP_LOG_DEBUG("MakeLeftHandedProcess finished");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -140,7 +140,7 @@ void MakeLeftHandedProcess::ProcessNode( aiNode* pNode, const aiMatrix4x4& pPare
 // Converts a single mesh to left handed coordinates.
 void MakeLeftHandedProcess::ProcessMesh( aiMesh* pMesh) {
     if ( nullptr == pMesh ) {
-        DefaultLogger::get()->error( "Nullptr to mesh found." );
+        ASSIMP_LOG_ERROR( "Nullptr to mesh found." );
         return;
     }
     // mirror positions, normals and stuff along the Z axis
@@ -180,7 +180,7 @@ void MakeLeftHandedProcess::ProcessMesh( aiMesh* pMesh) {
 // Converts a single material to left handed coordinates.
 void MakeLeftHandedProcess::ProcessMaterial( aiMaterial* _mat) {
     if ( nullptr == _mat ) {
-        DefaultLogger::get()->error( "Nullptr to aiMaterial found." );
+        ASSIMP_LOG_ERROR( "Nullptr to aiMaterial found." );
         return;
     }
 
@@ -245,13 +245,13 @@ bool FlipUVsProcess::IsActive( unsigned int pFlags) const
 // Executes the post processing step on the given imported data.
 void FlipUVsProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("FlipUVsProcess begin");
+    ASSIMP_LOG_DEBUG("FlipUVsProcess begin");
     for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
         ProcessMesh(pScene->mMeshes[i]);
 
     for (unsigned int i = 0; i < pScene->mNumMaterials;++i)
         ProcessMaterial(pScene->mMaterials[i]);
-    DefaultLogger::get()->debug("FlipUVsProcess finished");
+    ASSIMP_LOG_DEBUG("FlipUVsProcess finished");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -262,7 +262,7 @@ void FlipUVsProcess::ProcessMaterial (aiMaterial* _mat)
     for (unsigned int a = 0; a < mat->mNumProperties;++a)   {
         aiMaterialProperty* prop = mat->mProperties[a];
         if( !prop ) {
-            DefaultLogger::get()->debug( "Property is null" );
+            ASSIMP_LOG_DEBUG( "Property is null" );
             continue;
         }
 
@@ -319,10 +319,10 @@ bool FlipWindingOrderProcess::IsActive( unsigned int pFlags) const
 // Executes the post processing step on the given imported data.
 void FlipWindingOrderProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("FlipWindingOrderProcess begin");
+    ASSIMP_LOG_DEBUG("FlipWindingOrderProcess begin");
     for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
         ProcessMesh(pScene->mMeshes[i]);
-    DefaultLogger::get()->debug("FlipWindingOrderProcess finished");
+    ASSIMP_LOG_DEBUG("FlipWindingOrderProcess finished");
 }
 
 // ------------------------------------------------------------------------------------------------

code/D3MFImporter.cpp

@@ -396,7 +396,7 @@ private:
                 return false;
             }
         }
-        DefaultLogger::get()->error("unexpected EOF, expected closing <" + closeTag + "> tag");
+        ASSIMP_LOG_ERROR("unexpected EOF, expected closing <" + closeTag + "> tag");
 
         return false;
     }

code/D3MFOpcPackage.cpp

@@ -465,7 +465,7 @@ D3MFOpcPackage::D3MFOpcPackage(IOSystem* pIOHandler, const std::string& rFile)
                 }
             }
 
-            DefaultLogger::get()->debug(rootFile);
+            ASSIMP_LOG_DEBUG(rootFile);
 
             mRootStream = mZipArchive->Open(rootFile.c_str());
             ai_assert( mRootStream != nullptr );

code/DXFHelper.h

@@ -146,7 +146,7 @@ public:
                 for(;splitter->length() && splitter->at(0) != '}'; splitter++, cnt++);
 
                 splitter++;
-                DefaultLogger::get()->debug((Formatter::format("DXF: skipped over control group ("),cnt," lines)"));
+                ASSIMP_LOG_DEBUG((Formatter::format("DXF: skipped over control group ("),cnt," lines)"));
             }
         } catch(std::logic_error&) {
             ai_assert(!splitter);

code/DXFLoader.cpp

@@ -200,7 +200,7 @@ void DXFImporter::InternReadFile( const std::string& pFile,
 
         // comments
         else if (reader.Is(999)) {
-            DefaultLogger::get()->info("DXF Comment: " + reader.Value());
+            ASSIMP_LOG_INFO_F("DXF Comment: ", reader.Value());
         }
 
         // don't read past the official EOF sign
@@ -212,7 +212,7 @@ void DXFImporter::InternReadFile( const std::string& pFile,
         ++reader;
     }
     if (!eof) {
-        DefaultLogger::get()->warn("DXF: EOF reached, but did not encounter DXF EOF marker");
+        ASSIMP_LOG_WARN("DXF: EOF reached, but did not encounter DXF EOF marker");
     }
 
     ConvertMeshes(pScene,output);
@@ -229,7 +229,7 @@ void DXFImporter::InternReadFile( const std::string& pFile,
 void DXFImporter::ConvertMeshes(aiScene* pScene, DXF::FileData& output)
 {
     // the process of resolving all the INSERT statements can grow the
-    // polycount excessively, so log the original number.
+    // poly-count excessively, so log the original number.
     // XXX Option to import blocks as separate nodes?
     if (!DefaultLogger::isNullLogger()) {
 
@@ -241,16 +241,14 @@ void DXFImporter::ConvertMeshes(aiScene* pScene, DXF::FileData& output)
             }
         }
 
-        DefaultLogger::get()->debug((Formatter::format("DXF: Unexpanded polycount is "),
-            icount,", vertex count is ",vcount
-        ));
+        ASSIMP_LOG_DEBUG_F("DXF: Unexpanded polycount is ", icount, ", vertex count is ", vcount);
     }
 
     if (! output.blocks.size()  ) {
         throw DeadlyImportError("DXF: no data blocks loaded");
     }
 
-    DXF::Block* entities = 0;
+    DXF::Block* entities( nullptr );
 
     // index blocks by name
     DXF::BlockMap blocks_by_name;
@@ -375,9 +373,7 @@ void DXFImporter::ExpandBlockReferences(DXF::Block& bl,const DXF::BlockMap& bloc
         // first check if the referenced blocks exists ...
         const DXF::BlockMap::const_iterator it = blocks_by_name.find(insert.name);
         if (it == blocks_by_name.end()) {
-            DefaultLogger::get()->error((Formatter::format("DXF: Failed to resolve block reference: "),
-                insert.name,"; skipping"
-            ));
+            ASSIMP_LOG_ERROR_F("DXF: Failed to resolve block reference: ", insert.name,"; skipping" );
             continue;
         }
 
@@ -397,7 +393,7 @@ void DXFImporter::ExpandBlockReferences(DXF::Block& bl,const DXF::BlockMap& bloc
 
                 // XXX rotation currently ignored - I didn't find an appropriate sample model.
                 if (insert.angle != 0.f) {
-                    DefaultLogger::get()->warn("DXF: BLOCK rotation not currently implemented");
+                    ASSIMP_LOG_WARN("DXF: BLOCK rotation not currently implemented");
                 }
 
                 for (aiVector3D& v : pl_out->positions) {
@@ -410,7 +406,6 @@ void DXFImporter::ExpandBlockReferences(DXF::Block& bl,const DXF::BlockMap& bloc
     }
 }
 
-
 // ------------------------------------------------------------------------------------------------
 void DXFImporter::GenerateMaterials(aiScene* pScene, DXF::FileData& /*output*/)
 {
@@ -437,7 +432,6 @@ void DXFImporter::GenerateMaterials(aiScene* pScene, DXF::FileData& /*output*/)
     pScene->mMaterials[0] = pcMat;
 }
 
-
 // ------------------------------------------------------------------------------------------------
 void DXFImporter::GenerateHierarchy(aiScene* pScene, DXF::FileData& /*output*/)
 {
@@ -448,9 +442,7 @@ void DXFImporter::GenerateHierarchy(aiScene* pScene, DXF::FileData& /*output*/)
     if (1 == pScene->mNumMeshes)    {
         pScene->mRootNode->mMeshes = new unsigned int[ pScene->mRootNode->mNumMeshes = 1 ];
         pScene->mRootNode->mMeshes[0] = 0;
-    }
-    else
-    {
+    } else {
         pScene->mRootNode->mChildren = new aiNode*[ pScene->mRootNode->mNumChildren = pScene->mNumMeshes ];
         for (unsigned int m = 0; m < pScene->mRootNode->mNumChildren;++m)   {
             aiNode* p = pScene->mRootNode->mChildren[m] = new aiNode();
@@ -465,22 +457,17 @@ void DXFImporter::GenerateHierarchy(aiScene* pScene, DXF::FileData& /*output*/)
 
 
 // ------------------------------------------------------------------------------------------------
-void DXFImporter::SkipSection(DXF::LineReader& reader)
-{
+void DXFImporter::SkipSection(DXF::LineReader& reader) {
     for( ;!reader.End() && !reader.Is(0,"ENDSEC"); reader++);
 }
 
-
 // ------------------------------------------------------------------------------------------------
-void DXFImporter::ParseHeader(DXF::LineReader& reader, DXF::FileData& /*output*/)
-{
+void DXFImporter::ParseHeader(DXF::LineReader& reader, DXF::FileData& ) {
     for( ;!reader.End() && !reader.Is(0,"ENDSEC"); reader++);
 }
 
-
 // ------------------------------------------------------------------------------------------------
-void DXFImporter::ParseBlocks(DXF::LineReader& reader, DXF::FileData& output)
-{
+void DXFImporter::ParseBlocks(DXF::LineReader& reader, DXF::FileData& output) {
     while( !reader.End() && !reader.Is(0,"ENDSEC")) {
         if (reader.Is(0,"BLOCK")) {
             ParseBlock(++reader,output);
@@ -489,15 +476,11 @@ void DXFImporter::ParseBlocks(DXF::LineReader& reader, DXF::FileData& output)
         ++reader;
     }
 
-    DefaultLogger::get()->debug((Formatter::format("DXF: got "),
-        output.blocks.size()," entries in BLOCKS"
-    ));
+    ASSIMP_LOG_DEBUG_F("DXF: got ", output.blocks.size()," entries in BLOCKS" );
 }
 
-
 // ------------------------------------------------------------------------------------------------
-void DXFImporter::ParseBlock(DXF::LineReader& reader, DXF::FileData& output)
-{
+void DXFImporter::ParseBlock(DXF::LineReader& reader, DXF::FileData& output) {
     // push a new block onto the stack.
     output.blocks.push_back( DXF::Block() );
     DXF::Block& block = output.blocks.back();
@@ -527,7 +510,7 @@ void DXFImporter::ParseBlock(DXF::LineReader& reader, DXF::FileData& output)
 
         // XXX is this a valid case?
         if (reader.Is(0,"INSERT")) {
-            DefaultLogger::get()->warn("DXF: INSERT within a BLOCK not currently supported; skipping");
+            ASSIMP_LOG_WARN("DXF: INSERT within a BLOCK not currently supported; skipping");
             for( ;!reader.End() && !reader.Is(0,"ENDBLK"); ++reader);
             break;
         }
@@ -541,7 +524,6 @@ void DXFImporter::ParseBlock(DXF::LineReader& reader, DXF::FileData& output)
     }
 }
 
-
 // ------------------------------------------------------------------------------------------------
 void DXFImporter::ParseEntities(DXF::LineReader& reader, DXF::FileData& output)
 {
@@ -571,19 +553,16 @@ void DXFImporter::ParseEntities(DXF::LineReader& reader, DXF::FileData& output)
         ++reader;
     }
 
-    DefaultLogger::get()->debug((Formatter::format("DXF: got "),
-        block.lines.size()," polylines and ", block.insertions.size() ," inserted blocks in ENTITIES"
-    ));
+    ASSIMP_LOG_DEBUG_F( "DXF: got ", block.lines.size()," polylines and ", block.insertions.size(), 
+        " inserted blocks in ENTITIES" );
 }
 
-
 void DXFImporter::ParseInsertion(DXF::LineReader& reader, DXF::FileData& output)
 {
     output.blocks.back().insertions.push_back( DXF::InsertBlock() );
     DXF::InsertBlock& bl = output.blocks.back().insertions.back();
 
     while( !reader.End() && !reader.Is(0)) {
-
         switch(reader.GroupCode())
         {
             // name of referenced block
@@ -628,8 +607,7 @@ void DXFImporter::ParseInsertion(DXF::LineReader& reader, DXF::FileData& output)
 #define DXF_POLYLINE_FLAG_POLYFACEMESH  0x40
 
 // ------------------------------------------------------------------------------------------------
-void DXFImporter::ParsePolyLine(DXF::LineReader& reader, DXF::FileData& output)
-{
+void DXFImporter::ParsePolyLine(DXF::LineReader& reader, DXF::FileData& output) {
     output.blocks.back().lines.push_back( std::shared_ptr<DXF::PolyLine>( new DXF::PolyLine() ) );
     DXF::PolyLine& line = *output.blocks.back().lines.back();
 
@@ -682,16 +660,15 @@ void DXFImporter::ParsePolyLine(DXF::LineReader& reader, DXF::FileData& output)
     //}
 
     if (vguess && line.positions.size() != vguess) {
-        DefaultLogger::get()->warn((Formatter::format("DXF: unexpected vertex count in polymesh: "),
-            line.positions.size(),", expected ", vguess
-        ));
+        ASSIMP_LOG_WARN_F("DXF: unexpected vertex count in polymesh: ",
+            line.positions.size(),", expected ", vguess );
     }
 
     if (line.flags & DXF_POLYLINE_FLAG_POLYFACEMESH ) {
         if (line.positions.size() < 3 || line.indices.size() < 3)   {
-                DefaultLogger::get()->warn("DXF: not enough vertices for polymesh; ignoring");
-                output.blocks.back().lines.pop_back();
-                return;
+            ASSIMP_LOG_WARN("DXF: not enough vertices for polymesh; ignoring");
+            output.blocks.back().lines.pop_back();
+            return;
         }
 
         // if these numbers are wrong, parsing might have gone wild.
@@ -699,13 +676,11 @@ void DXFImporter::ParsePolyLine(DXF::LineReader& reader, DXF::FileData& output)
         // to set the 71 and 72 fields, respectively, to valid values.
         // So just fire a warning.
         if (iguess && line.counts.size() != iguess) {
-            DefaultLogger::get()->warn((Formatter::format("DXF: unexpected face count in polymesh: "),
-                line.counts.size(),", expected ", iguess
-            ));
+            ASSIMP_LOG_WARN_F( "DXF: unexpected face count in polymesh: ", line.counts.size(),", expected ", iguess );
         }
     }
     else if (!line.indices.size() && !line.counts.size()) {
-        // a polyline - so there are no indices yet.
+        // a poly-line - so there are no indices yet.
         size_t guess = line.positions.size() + (line.flags & DXF_POLYLINE_FLAG_CLOSED ? 1 : 0);
         line.indices.reserve(guess);
 
@@ -747,10 +722,10 @@ void DXFImporter::ParsePolyLineVertex(DXF::LineReader& reader, DXF::PolyLine& li
         {
         case 8:
                 // layer to which the vertex belongs to - assume that
-                // this is always the layer the top-level polyline
+                // this is always the layer the top-level poly-line
                 // entity resides on as well.
                 if(reader.Value() != line.layer) {
-                    DefaultLogger::get()->warn("DXF: expected vertex to be part of a polyface but the 0x128 flag isn't set");
+                    ASSIMP_LOG_WARN("DXF: expected vertex to be part of a poly-face but the 0x128 flag isn't set");
                 }
                 break;
 
@@ -769,7 +744,7 @@ void DXFImporter::ParsePolyLineVertex(DXF::LineReader& reader, DXF::PolyLine& li
         case 73:
         case 74:
             if (cnti == 4) {
-                DefaultLogger::get()->warn("DXF: more than 4 indices per face not supported; ignoring");
+                ASSIMP_LOG_WARN("DXF: more than 4 indices per face not supported; ignoring");
                 break;
             }
             indices[cnti++] = reader.ValueAsUnsignedInt();
@@ -785,7 +760,7 @@ void DXFImporter::ParsePolyLineVertex(DXF::LineReader& reader, DXF::PolyLine& li
     }
 
     if (line.flags & DXF_POLYLINE_FLAG_POLYFACEMESH && !(flags & DXF_VERTEX_FLAG_PART_OF_POLYFACE)) {
-        DefaultLogger::get()->warn("DXF: expected vertex to be part of a polyface but the 0x128 flag isn't set");
+        ASSIMP_LOG_WARN("DXF: expected vertex to be part of a polyface but the 0x128 flag isn't set");
     }
 
     if (cnti) {
@@ -793,14 +768,13 @@ void DXFImporter::ParsePolyLineVertex(DXF::LineReader& reader, DXF::PolyLine& li
         for (unsigned int i = 0; i < cnti; ++i) {
             // IMPORTANT NOTE: POLYMESH indices are ONE-BASED
             if (indices[i] == 0) {
-                DefaultLogger::get()->warn("DXF: invalid vertex index, indices are one-based.");
+                ASSIMP_LOG_WARN("DXF: invalid vertex index, indices are one-based.");
                 --line.counts.back();
                 continue;
             }
             line.indices.push_back(indices[i]-1);
         }
-    }
-    else {
+    } else {
         line.positions.push_back(out);
         line.colors.push_back(clr);
     }
@@ -910,7 +884,7 @@ void DXFImporter::Parse3DFace(DXF::LineReader& reader, DXF::FileData& output)
 
     // sanity checks to see if we got something meaningful
     if ((b[1] && !b[0]) || !b[2] || !b[3]) {
-        DefaultLogger::get()->warn("DXF: unexpected vertex setup in 3DFACE/LINE/FACE entity; ignoring");
+        ASSIMP_LOG_WARN("DXF: unexpected vertex setup in 3DFACE/LINE/FACE entity; ignoring");
         output.blocks.back().lines.pop_back();
         return;
     }
@@ -926,4 +900,3 @@ void DXFImporter::Parse3DFace(DXF::LineReader& reader, DXF::FileData& output)
 }
 
 #endif // !! ASSIMP_BUILD_NO_DXF_IMPORTER
-

code/DeboneProcess.cpp

@@ -91,7 +91,7 @@ void DeboneProcess::SetupProperties(const Importer* pImp)
 // Executes the post processing step on the given imported data.
 void DeboneProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("DeboneProcess begin");
+    ASSIMP_LOG_DEBUG("DeboneProcess begin");
 
     if(!pScene->mNumMeshes) {
         return;
@@ -148,9 +148,7 @@ void DeboneProcess::Execute( aiScene* pScene)
                 }
 
                 if(!DefaultLogger::isNullLogger()) {
-                    char buffer[1024];
-                    ::ai_snprintf(buffer,1024,"Removed %u bones. Input bones: %u. Output bones: %u",in-out,in,out);
-                    DefaultLogger::get()->info(buffer);
+                    ASSIMP_LOG_INFO_F("Removed %u bones. Input bones:", in - out, ". Output bones: ", out);
                 }
 
                 // and destroy the source mesh. It should be completely contained inside the new submeshes
@@ -173,7 +171,7 @@ void DeboneProcess::Execute( aiScene* pScene)
         UpdateNode( pScene->mRootNode);
     }
 
-    DefaultLogger::get()->debug("DeboneProcess end");
+    ASSIMP_LOG_DEBUG("DeboneProcess end");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -209,7 +207,7 @@ bool DeboneProcess::ConsiderMesh(const aiMesh* pMesh)
                 if(vertexBones[vid]!=cUnowned)  {
                     if(vertexBones[vid]==i) //double entry
                     {
-                        DefaultLogger::get()->warn("Encountered double entry in bone weights");
+                        ASSIMP_LOG_WARN("Encountered double entry in bone weights");
                     }
                     else //TODO: track attraction in order to break tie
                     {
@@ -281,7 +279,7 @@ void DeboneProcess::SplitMesh( const aiMesh* pMesh, std::vector< std::pair< aiMe
                 if(vertexBones[vid]!=cUnowned)  {
                     if(vertexBones[vid]==i) //double entry
                     {
-                        //DefaultLogger::get()->warn("Encountered double entry in bone weights");
+                        ASSIMP_LOG_WARN("Encountered double entry in bone weights");
                     }
                     else //TODO: track attraction in order to break tie
                     {

code/DefaultIOSystem.cpp

@@ -170,7 +170,7 @@ inline static void MakeAbsolutePath (const char* in, char* _out)
         if (!ret) {
             // preserve the input path, maybe someone else is able to fix
             // the path before it is accessed (e.g. our file system filter)
-            DefaultLogger::get()->warn("Invalid path: " + std::string(in));
+            ASSIMP_LOG_WARN_F("Invalid path: ", std::string(in));
             strcpy(_out, in);
         }
 
@@ -179,7 +179,7 @@ inline static void MakeAbsolutePath (const char* in, char* _out)
         if (!ret) {
             // preserve the input path, maybe someone else is able to fix
             // the path before it is accessed (e.g. our file system filter)
-            DefaultLogger::get()->warn("Invalid path: " + std::string(in));
+            ASSIMP_LOG_WARN_F("Invalid path: ", std::string(in));
             strcpy(_out, in);
         }
     }
@@ -189,7 +189,7 @@ inline static void MakeAbsolutePath (const char* in, char* _out)
     if(!ret) {
         // preserve the input path, maybe someone else is able to fix
         // the path before it is accessed (e.g. our file system filter)
-        DefaultLogger::get()->warn("Invalid path: "+std::string(in));
+        ASSIMP_LOG_WARN_F("Invalid path: ", std::string(in));
         strcpy(_out,in);
     }
 #endif

code/EmbedTexturesProcess.cpp

@@ -93,9 +93,7 @@ void EmbedTexturesProcess::Execute(aiScene* pScene) {
         }
     }
 
-    char stringBuffer[128];
-    ::ai_snprintf(stringBuffer, 128, "EmbedTexturesProcess finished. Embedded %u textures.", embeddedTexturesCount);
-    DefaultLogger::get()->info(stringBuffer);
+    ASSIMP_LOG_INFO_F("EmbedTexturesProcess finished. Embedded ", embeddedTexturesCount, " textures." );
 }
 
 bool EmbedTexturesProcess::addTexture(aiScene* pScene, std::string path) const {
@@ -105,7 +103,7 @@ bool EmbedTexturesProcess::addTexture(aiScene* pScene, std::string path) const {
     // Test path directly
     std::ifstream file(imagePath, std::ios::binary | std::ios::ate);
     if ((imageSize = file.tellg()) == std::streampos(-1)) {
-        DefaultLogger::get()->warn("EmbedTexturesProcess: Cannot find image: " + imagePath + ". Will try to find it in root folder.");
+        ASSIMP_LOG_WARN_F("EmbedTexturesProcess: Cannot find image: ", imagePath, ". Will try to find it in root folder.");
 
         // Test path in root path
         imagePath = mRootPath + path;
@@ -115,7 +113,7 @@ bool EmbedTexturesProcess::addTexture(aiScene* pScene, std::string path) const {
             imagePath = mRootPath + path.substr(path.find_last_of("\\/") + 1u);
             file.open(imagePath, std::ios::binary | std::ios::ate);
             if ((imageSize = file.tellg()) == std::streampos(-1)) {
-                DefaultLogger::get()->error("EmbedTexturesProcess: Unable to embed texture: " + path + ".");
+                ASSIMP_LOG_ERROR_F("EmbedTexturesProcess: Unable to embed texture: ", path, ".");
                 return false;
             }
         }

code/Exporter.cpp

@@ -363,7 +363,7 @@ aiReturn Exporter::Export( const aiScene* pScene, const char* pFormatId, const c
                     }
 
                     if (verbosify || (exp.mEnforcePP & aiProcess_JoinIdenticalVertices)) {
-                        DefaultLogger::get()->debug("export: Scene data not in verbose format, applying MakeVerboseFormat step first");
+                        ASSIMP_LOG_DEBUG("export: Scene data not in verbose format, applying MakeVerboseFormat step first");
 
                         MakeVerboseFormatProcess proc;
                         proc.Execute(scenecopy.get());

code/FBXDocument.cpp

@@ -214,7 +214,7 @@ const Object* LazyObject::Get(bool dieOnError)
 
         // note: the error message is already formatted, so raw logging is ok
         if(!DefaultLogger::isNullLogger()) {
-            DefaultLogger::get()->error(ex.what());
+            ASSIMP_LOG_ERROR(ex.what());
         }
         return NULL;
     }

code/FBXDocumentUtil.cpp

@@ -79,7 +79,7 @@ void DOMError(const std::string& message, const Element* element /*= NULL*/)
 void DOMWarning(const std::string& message, const Token& token)
 {
     if(DefaultLogger::get()) {
-        DefaultLogger::get()->warn(Util::AddTokenText("FBX-DOM",message,&token));
+        ASSIMP_LOG_WARN(Util::AddTokenText("FBX-DOM",message,&token));
     }
 }
 
@@ -91,7 +91,7 @@ void DOMWarning(const std::string& message, const Element* element /*= NULL*/)
         return;
     }
     if(DefaultLogger::get()) {
-        DefaultLogger::get()->warn("FBX-DOM: " + message);
+        ASSIMP_LOG_WARN("FBX-DOM: " + message);
     }
 }
 

code/FBXExporter.cpp

@@ -71,7 +71,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // https://code.blender.org/2013/08/fbx-binary-file-format-specification/
 // https://wiki.blender.org/index.php/User:Mont29/Foundation/FBX_File_Structure
 
-const double DEG = 57.29577951308232087679815481; // degrees per radian
+const ai_real DEG = ai_real( 57.29577951308232087679815481 ); // degrees per radian
 
 // some constants that we'll use for writing metadata
 namespace FBX {
@@ -980,9 +980,9 @@ aiMatrix4x4 get_world_transform(const aiNode* node, const aiScene* scene)
 
 int64_t to_ktime(double ticks, const aiAnimation* anim) {
     if (anim->mTicksPerSecond <= 0) {
-        return ticks * FBX::SECOND;
+        return static_cast<int64_t>(ticks) * FBX::SECOND;
     }
-    return (ticks / anim->mTicksPerSecond) * FBX::SECOND;
+    return (static_cast<int64_t>(ticks) / static_cast<int64_t>(anim->mTicksPerSecond)) * FBX::SECOND;
 }
 
 void FBXExporter::WriteObjects ()
@@ -1124,7 +1124,7 @@ void FBXExporter::WriteObjects ()
                 err << " has " << m->mNumUVComponents[uvi];
                 err << " components! Data will be preserved,";
                 err << " but may be incorrectly interpreted on load.";
-                DefaultLogger::get()->warn(err.str());
+                ASSIMP_LOG_WARN(err.str());
             }
             FBX::Node uv("LayerElementUV", int32_t(uvi));
             uv.Begin(outstream, binary, indent);
@@ -1449,7 +1449,7 @@ void FBXExporter::WriteObjects ()
                 err << "Multilayer textures not supported (for now),";
                 err << " skipping texture type " << j;
                 err << " of material " << i;
-                DefaultLogger::get()->warn(err.str());
+                ASSIMP_LOG_WARN(err.str());
             }
 
             // get image path for this (single-image) texture
@@ -1484,7 +1484,7 @@ void FBXExporter::WriteObjects ()
                 err << "Not sure how to handle texture of type " << j;
                 err << " on material " << i;
                 err << ", skipping...";
-                DefaultLogger::get()->warn(err.str());
+                ASSIMP_LOG_WARN(err.str());
                 continue;
             }
             const std::string& prop_name = elem2->second;
@@ -2440,7 +2440,7 @@ void FBXExporter::WriteAnimationCurve(
     // TODO: keyattr flags and data (STUB for now)
     n.AddChild("KeyAttrFlags", std::vector<int32_t>{0});
     n.AddChild("KeyAttrDataFloat", std::vector<float>{0,0,0,0});
-    ai_assert(times.size() <= std::numeric_limits<int32_t>::max());
+    ai_assert(static_cast<int32_t>(times.size()) <= std::numeric_limits<int32_t>::max());
     n.AddChild(
         "KeyAttrRefCount",
         std::vector<int32_t>{static_cast<int32_t>(times.size())}

code/FindDegenerates.cpp

@@ -85,11 +85,11 @@ void FindDegeneratesProcess::SetupProperties(const Importer* pImp) {
 // ------------------------------------------------------------------------------------------------
 // Executes the post processing step on the given imported data.
 void FindDegeneratesProcess::Execute( aiScene* pScene) {
-    DefaultLogger::get()->debug("FindDegeneratesProcess begin");
+    ASSIMP_LOG_DEBUG("FindDegeneratesProcess begin");
     for (unsigned int i = 0; i < pScene->mNumMeshes;++i){
         ExecuteOnMesh( pScene->mMeshes[ i ] );
     }
-    DefaultLogger::get()->debug("FindDegeneratesProcess finished");
+    ASSIMP_LOG_DEBUG("FindDegeneratesProcess finished");
 }
 
 static ai_real heron( ai_real a, ai_real b, ai_real c ) {
@@ -242,7 +242,7 @@ evil_jump_outside:
         if (!mesh->mNumFaces) {
             // WTF!?
             // OK ... for completeness and because I'm not yet tired,
-            // let's write code that willl hopefully never be called
+            // let's write code that will hopefully never be called
             // (famous last words)
 
             // OK ... bad idea.
@@ -250,10 +250,7 @@ evil_jump_outside:
         }
     }
 
-    if (deg && !DefaultLogger::isNullLogger())
-    {
-        char s[64];
-        ASSIMP_itoa10(s,deg);
-        DefaultLogger::get()->warn(std::string("Found ") + s + " degenerated primitives");
+    if (deg && !DefaultLogger::isNullLogger()) {
+        ASSIMP_LOG_WARN_F( "Found ", deg, " degenerated primitives");
     }
 }

code/FindInstancesProcess.cpp

@@ -119,7 +119,7 @@ void UpdateMeshIndices(aiNode* node, unsigned int* lookup)
 // Executes the post processing step on the given imported data.
 void FindInstancesProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("FindInstancesProcess begin");
+    ASSIMP_LOG_DEBUG("FindInstancesProcess begin");
     if (pScene->mNumMeshes) {
 
         // use a pseudo hash for all meshes in the scene to quickly find
@@ -267,13 +267,11 @@ void FindInstancesProcess::Execute( aiScene* pScene)
 
             // write to log
             if (!DefaultLogger::isNullLogger()) {
-
-                char buffer[512];
-                ::ai_snprintf(buffer,512,"FindInstancesProcess finished. Found %i instances",pScene->mNumMeshes-numMeshesOut);
-                DefaultLogger::get()->info(buffer);
+                ASSIMP_LOG_INFO_F( "FindInstancesProcess finished. Found ", (pScene->mNumMeshes - numMeshesOut), " instances" );
             }
             pScene->mNumMeshes = numMeshesOut;
+        } else {
+            ASSIMP_LOG_DEBUG("FindInstancesProcess finished. No instanced meshes found");
         }
-        else DefaultLogger::get()->debug("FindInstancesProcess finished. No instanced meshes found");
     }
 }

code/FindInvalidDataProcess.cpp

@@ -118,7 +118,7 @@ void UpdateMeshReferences(aiNode* node, const std::vector<unsigned int>& meshMap
 // Executes the post processing step on the given imported data.
 void FindInvalidDataProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("FindInvalidDataProcess begin");
+    ASSIMP_LOG_DEBUG("FindInvalidDataProcess begin");
 
     bool out = false;
     std::vector<unsigned int> meshMapping(pScene->mNumMeshes);
@@ -163,9 +163,10 @@ void FindInvalidDataProcess::Execute( aiScene* pScene)
             pScene->mNumMeshes = real;
         }
 
-        DefaultLogger::get()->info("FindInvalidDataProcess finished. Found issues ...");
+        ASSIMP_LOG_INFO("FindInvalidDataProcess finished. Found issues ...");
+    } else {
+        ASSIMP_LOG_DEBUG("FindInvalidDataProcess finished. Everything seems to be OK.");
     }
-    else DefaultLogger::get()->debug("FindInvalidDataProcess finished. Everything seems to be OK.");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -212,8 +213,7 @@ inline bool ProcessArray(T*& in, unsigned int num,const char* name,
 {
     const char* err = ValidateArrayContents(in,num,dirtyMask,mayBeIdentical,mayBeZero);
     if (err)    {
-        DefaultLogger::get()->error(std::string("FindInvalidDataProcess fails on mesh ") + name + ": " + err);
-
+        ASSIMP_LOG_ERROR_F( "FindInvalidDataProcess fails on mesh ", name, ": ", err);
         delete[] in;
         in = NULL;
         return true;
@@ -332,7 +332,7 @@ void FindInvalidDataProcess::ProcessAnimationChannel (aiNodeAnim* anim)
         i = 1;
     }
     if (1 == i)
-        DefaultLogger::get()->warn("Simplified dummy tracks with just one key");
+        ASSIMP_LOG_WARN("Simplified dummy tracks with just one key");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -354,7 +354,7 @@ int FindInvalidDataProcess::ProcessMesh (aiMesh* pMesh)
 
     // Process vertex positions
     if (pMesh->mVertices && ProcessArray(pMesh->mVertices, pMesh->mNumVertices, "positions", dirtyMask)) {
-        DefaultLogger::get()->error("Deleting mesh: Unable to continue without vertex positions");
+        ASSIMP_LOG_ERROR("Deleting mesh: Unable to continue without vertex positions");
 
         return 2;
     }

code/FixNormalsStep.cpp

@@ -82,28 +82,35 @@ bool FixInfacingNormalsProcess::IsActive( unsigned int pFlags) const
 // Executes the post processing step on the given imported data.
 void FixInfacingNormalsProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("FixInfacingNormalsProcess begin");
+    ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess begin");
 
-    bool bHas = false;
-    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
-        if(ProcessMesh( pScene->mMeshes[a],a))bHas = true;
+    bool bHas( false );
+    for (unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
+        if (ProcessMesh(pScene->mMeshes[a], a)) {
+            bHas = true;
+        }
+    }
 
-    if (bHas)
-         DefaultLogger::get()->debug("FixInfacingNormalsProcess finished. Found issues.");
-    else DefaultLogger::get()->debug("FixInfacingNormalsProcess finished. No changes to the scene.");
+    if (bHas) {
+        ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess finished. Found issues.");
+    } else {
+        ASSIMP_LOG_DEBUG("FixInfacingNormalsProcess finished. No changes to the scene.");
+    }
 }
 
 // ------------------------------------------------------------------------------------------------
 // Apply the step to the mesh
 bool FixInfacingNormalsProcess::ProcessMesh( aiMesh* pcMesh, unsigned int index)
 {
-    ai_assert(NULL != pcMesh);
+    ai_assert(nullptr != pcMesh);
 
     // Nothing to do if there are no model normals
-    if (!pcMesh->HasNormals())return false;
+    if (!pcMesh->HasNormals()) {
+        return false;
+    }
 
     // Compute the bounding box of both the model vertices + normals and
-    // the umodified model vertices. Then check whether the first BB
+    // the unmodified model vertices. Then check whether the first BB
     // is smaller than the second. In this case we can assume that the
     // normals need to be flipped, although there are a few special cases ..
     // convex, concave, planar models ...
@@ -155,14 +162,9 @@ bool FixInfacingNormalsProcess::ProcessMesh( aiMesh* pcMesh, unsigned int index)
     if (fDelta1_z < 0.05f * std::sqrt( fDelta1_y * fDelta1_x ))return false;
 
     // now compare the volumes of the bounding boxes
-    if (std::fabs(fDelta0_x * fDelta0_y * fDelta0_z) <
-        std::fabs(fDelta1_x * fDelta1_yz))
-    {
-        if (!DefaultLogger::isNullLogger())
-        {
-            char buffer[128]; // should be sufficiently large
-            ai_snprintf(buffer,128,"Mesh %u: Normals are facing inwards (or the mesh is planar)",index);
-            DefaultLogger::get()->info(buffer);
+    if (std::fabs(fDelta0_x * fDelta0_y * fDelta0_z) < std::fabs(fDelta1_x * fDelta1_yz)) {
+        if (!DefaultLogger::isNullLogger()) {
+            ASSIMP_LOG_INFO_F("Mesh ", index, ": Normals are facing inwards (or the mesh is planar)", index);
         }
 
         // Invert normals

code/GenFaceNormalsProcess.cpp

@@ -72,16 +72,14 @@ GenFaceNormalsProcess::~GenFaceNormalsProcess()
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the processing step is present in the given flag field.
-bool GenFaceNormalsProcess::IsActive( unsigned int pFlags) const
-{
+bool GenFaceNormalsProcess::IsActive( unsigned int pFlags) const {
     return  (pFlags & aiProcess_GenNormals) != 0;
 }
 
 // ------------------------------------------------------------------------------------------------
 // Executes the post processing step on the given imported data.
-void GenFaceNormalsProcess::Execute( aiScene* pScene)
-{
-    DefaultLogger::get()->debug("GenFaceNormalsProcess begin");
+void GenFaceNormalsProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("GenFaceNormalsProcess begin");
 
     if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) {
         throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here");
@@ -94,11 +92,12 @@ void GenFaceNormalsProcess::Execute( aiScene* pScene)
         }
     }
     if (bHas)   {
-        DefaultLogger::get()->info("GenFaceNormalsProcess finished. "
+        ASSIMP_LOG_INFO("GenFaceNormalsProcess finished. "
             "Face normals have been calculated");
+    } else {
+        ASSIMP_LOG_DEBUG("GenFaceNormalsProcess finished. "
+            "Normals are already there");
     }
-    else DefaultLogger::get()->debug("GenFaceNormalsProcess finished. "
-        "Normals are already there");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -113,7 +112,7 @@ bool GenFaceNormalsProcess::GenMeshFaceNormals (aiMesh* pMesh)
     // triangles or higher-order polygons the normal vectors
     // are undefined.
     if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON)))   {
-        DefaultLogger::get()->info("Normal vectors are undefined for line and point meshes");
+        ASSIMP_LOG_INFO("Normal vectors are undefined for line and point meshes");
         return false;
     }
 

code/GenVertexNormalsProcess.cpp

@@ -88,24 +88,25 @@ void GenVertexNormalsProcess::SetupProperties(const Importer* pImp)
 // Executes the post processing step on the given imported data.
 void GenVertexNormalsProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("GenVertexNormalsProcess begin");
+    ASSIMP_LOG_DEBUG("GenVertexNormalsProcess begin");
 
-    if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT)
+    if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) {
         throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here");
+    }
 
     bool bHas = false;
-    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
-    {
+    for( unsigned int a = 0; a < pScene->mNumMeshes; ++a) {
         if(GenMeshVertexNormals( pScene->mMeshes[a],a))
             bHas = true;
     }
 
     if (bHas)   {
-        DefaultLogger::get()->info("GenVertexNormalsProcess finished. "
+        ASSIMP_LOG_INFO("GenVertexNormalsProcess finished. "
             "Vertex normals have been calculated");
+    } else {
+        ASSIMP_LOG_DEBUG("GenVertexNormalsProcess finished. "
+            "Normals are already there");
     }
-    else DefaultLogger::get()->debug("GenVertexNormalsProcess finished. "
-        "Normals are already there");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -120,7 +121,7 @@ bool GenVertexNormalsProcess::GenMeshVertexNormals (aiMesh* pMesh, unsigned int
     // are undefined.
     if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON)))
     {
-        DefaultLogger::get()->info("Normal vectors are undefined for line and point meshes");
+        ASSIMP_LOG_INFO("Normal vectors are undefined for line and point meshes");
         return false;
     }
 

code/HMPLoader.cpp

@@ -141,21 +141,21 @@ void HMPImporter::InternReadFile( const std::string& pFile,
     if (AI_HMP_MAGIC_NUMBER_LE_4 == iMagic ||
         AI_HMP_MAGIC_NUMBER_BE_4 == iMagic)
     {
-        DefaultLogger::get()->debug("HMP subtype: 3D GameStudio A4, magic word is HMP4");
+        ASSIMP_LOG_DEBUG("HMP subtype: 3D GameStudio A4, magic word is HMP4");
         InternReadFile_HMP4();
     }
     // HMP5 format
     else if (AI_HMP_MAGIC_NUMBER_LE_5 == iMagic ||
              AI_HMP_MAGIC_NUMBER_BE_5 == iMagic)
     {
-        DefaultLogger::get()->debug("HMP subtype: 3D GameStudio A5, magic word is HMP5");
+        ASSIMP_LOG_DEBUG("HMP subtype: 3D GameStudio A5, magic word is HMP5");
         InternReadFile_HMP5();
     }
     // HMP7 format
     else if (AI_HMP_MAGIC_NUMBER_LE_7 == iMagic ||
              AI_HMP_MAGIC_NUMBER_BE_7 == iMagic)
     {
-        DefaultLogger::get()->debug("HMP subtype: 3D GameStudio A7, magic word is HMP7");
+        ASSIMP_LOG_DEBUG("HMP subtype: 3D GameStudio A7, magic word is HMP7");
         InternReadFile_HMP7();
     }
     else

code/IRRLoader.cpp

@@ -131,7 +131,7 @@ void IRRImporter::SetupProperties(const Importer* pImp)
     // read the output frame rate of all node animation channels
     fps = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_IRR_ANIM_FPS,100);
     if (fps < 10.)  {
-        DefaultLogger::get()->error("IRR: Invalid FPS configuration");
+        ASSIMP_LOG_ERROR("IRR: Invalid FPS configuration");
         fps = 100;
     }
 
@@ -281,7 +281,7 @@ void IRRImporter::CopyMaterial(std::vector<aiMaterial*>& materials,
         return;
     }
     else if (inmaterials.size() > 1)    {
-        DefaultLogger::get()->info("IRR: Skipping additional materials");
+        ASSIMP_LOG_INFO("IRR: Skipping additional materials");
     }
 
     mesh->mMaterialIndex = (unsigned int)materials.size();
@@ -319,17 +319,18 @@ void IRRImporter::ComputeAnimations(Node* root, aiNode* real, std::vector<aiNode
     if (root->animators.empty()) {
         return;
     }
-    unsigned int total = 0;
+    unsigned int total( 0 );
     for (std::list<Animator>::iterator it = root->animators.begin();it != root->animators.end(); ++it)  {
         if ((*it).type == Animator::UNKNOWN || (*it).type == Animator::OTHER)   {
-            DefaultLogger::get()->warn("IRR: Skipping unknown or unsupported animator");
+            ASSIMP_LOG_WARN("IRR: Skipping unknown or unsupported animator");
             continue;
         }
         ++total;
     }
-    if (!total)return;
-    else if (1 == total)    {
-        DefaultLogger::get()->warn("IRR: Adding dummy nodes to simulate multiple animators");
+    if (!total) {
+        return;
+    } else if (1 == total)    {
+        ASSIMP_LOG_WARN("IRR: Adding dummy nodes to simulate multiple animators");
     }
 
     // NOTE: 1 tick == i millisecond
@@ -518,9 +519,9 @@ void IRRImporter::ComputeAnimations(Node* root, aiNode* real, std::vector<aiNode
                 const int size = (int)in.splineKeys.size();
                 if (!size)  {
                     // We have no point in the spline. That's bad. Really bad.
-                    DefaultLogger::get()->warn("IRR: Spline animators with no points defined");
+                    ASSIMP_LOG_WARN("IRR: Spline animators with no points defined");
 
-                    delete anim;anim = NULL;
+                    delete anim;anim = nullptr;
                     break;
                 }
                 else if (size == 1) {
@@ -672,7 +673,7 @@ void IRRImporter::GenerateGraph(Node* root,aiNode* rootOut ,aiScene* scene,
             // graph we're currently building
             aiScene* scene = batch.GetImport(root->id);
             if (!scene) {
-                DefaultLogger::get()->error("IRR: Unable to load external file: " + root->meshPath);
+                ASSIMP_LOG_ERROR("IRR: Unable to load external file: " + root->meshPath);
                 break;
             }
             attach.push_back(AttachmentInfo(scene,rootOut));
@@ -683,7 +684,7 @@ void IRRImporter::GenerateGraph(Node* root,aiNode* rootOut ,aiScene* scene,
             // should be equal. If they are not, we can impossibly
             // do this  ...
             if (root->materials.size() != (unsigned int)scene->mNumMaterials)   {
-                DefaultLogger::get()->warn("IRR: Failed to match imported materials "
+                ASSIMP_LOG_WARN("IRR: Failed to match imported materials "
                     "with the materials found in the IRR scene file");
 
                 break;
@@ -722,7 +723,7 @@ void IRRImporter::GenerateGraph(Node* root,aiNode* rootOut ,aiScene* scene,
                         }
                     }
                     if (bdo)    {
-                        DefaultLogger::get()->info("IRR: Replacing mesh vertex alpha with common opacity");
+                        ASSIMP_LOG_INFO("IRR: Replacing mesh vertex alpha with common opacity");
 
                         for (unsigned int a = 0; a < mesh->mNumVertices;++a)
                             mesh->mColors[0][a].a = 1.f;
@@ -806,7 +807,7 @@ void IRRImporter::GenerateGraph(Node* root,aiNode* rootOut ,aiScene* scene,
         {
             // A skybox is defined by six materials
             if (root->materials.size() < 6) {
-                DefaultLogger::get()->error("IRR: There should be six materials for a skybox");
+                ASSIMP_LOG_ERROR("IRR: There should be six materials for a skybox");
                 break;
             }
 
@@ -823,7 +824,7 @@ void IRRImporter::GenerateGraph(Node* root,aiNode* rootOut ,aiScene* scene,
             // for IRR skyboxes. We add a 'IRR.SkyBox_' prefix to the node.
             // *************************************************************
             root->name = "IRR.SkyBox_" + root->name;
-            DefaultLogger::get()->info("IRR: Loading skybox, this will "
+            ASSIMP_LOG_INFO("IRR: Loading skybox, this will "
                 "require special handling to be displayed correctly");
         }
         break;
@@ -831,7 +832,7 @@ void IRRImporter::GenerateGraph(Node* root,aiNode* rootOut ,aiScene* scene,
     case Node::TERRAIN:
         {
             // to support terrains, we'd need to have a texture decoder
-            DefaultLogger::get()->error("IRR: Unsupported node - TERRAIN");
+            ASSIMP_LOG_ERROR("IRR: Unsupported node - TERRAIN");
         }
         break;
     default:
@@ -1010,11 +1011,11 @@ void IRRImporter::InternReadFile( const std::string& pFile,
                 }
                 else if (!ASSIMP_stricmp(sz,"billBoard"))   {
                     // We don't support billboards, so ignore them
-                    DefaultLogger::get()->error("IRR: Billboards are not supported by Assimp");
+                    ASSIMP_LOG_ERROR("IRR: Billboards are not supported by Assimp");
                     nd = new Node(Node::DUMMY);
                 }
                 else    {
-                    DefaultLogger::get()->warn("IRR: Found unknown node: " + std::string(sz));
+                    ASSIMP_LOG_WARN("IRR: Found unknown node: " + std::string(sz));
 
                     /*  We skip the contents of nodes we don't know.
                      *  We parse the transformation and all animators
@@ -1041,7 +1042,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
                  */
                 if (!curNode)   {
 #if 0
-                    DefaultLogger::get()->error("IRR: Encountered <attributes> element, but "
+                    ASSIMP_LOG_ERROR("IRR: Encountered <attributes> element, but "
                         "there is no node active");
 #endif
                     continue;
@@ -1269,7 +1270,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
                                         lights.pop_back();
                                         curNode->type = Node::DUMMY;
 
-                                        DefaultLogger::get()->error("Ignoring light of unknown type: " + prop.value);
+                                        ASSIMP_LOG_ERROR("Ignoring light of unknown type: " + prop.value);
                                     }
                                 }
                                 else if ((prop.name == "Mesh" && Node::MESH == curNode->type) ||
@@ -1277,7 +1278,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
                                 {
                                     /*  This is the file name of the mesh - either
                                      *  animated or not. We need to make sure we setup
-                                     *  the correct postprocessing settings here.
+                                     *  the correct post-processing settings here.
                                      */
                                     unsigned int pp = 0;
                                     BatchLoader::PropertyMap map;
@@ -1299,7 +1300,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
 
                                     const std::string extension = GetExtension(prop.value);
                                     if ("irr" == extension) {
-                                        DefaultLogger::get()->error("IRR: Can't load another IRR file recursively");
+                                        ASSIMP_LOG_ERROR("IRR: Can't load another IRR file recursively");
                                     }
                                     else
                                     {
@@ -1323,7 +1324,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
                                         curAnim->type = Animator::FOLLOW_SPLINE;
                                     }
                                     else    {
-                                        DefaultLogger::get()->warn("IRR: Ignoring unknown animator: "
+                                        ASSIMP_LOG_WARN("IRR: Ignoring unknown animator: "
                                             + prop.value);
 
                                         curAnim->type = Animator::UNKNOWN;
@@ -1348,7 +1349,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
                     // back in the node hierarchy
                     if (!curParent) {
                         curParent = root;
-                        DefaultLogger::get()->error("IRR: Too many closing <node> elements");
+                        ASSIMP_LOG_ERROR("IRR: Too many closing <node> elements");
                     }
                     else curParent = curParent->parent;
                 }
@@ -1369,15 +1370,14 @@ void IRRImporter::InternReadFile( const std::string& pFile,
         }
     }
 
-    /*  Now iterate through all cameras and compute their final (horizontal) FOV
-     */
+    //  Now iterate through all cameras and compute their final (horizontal) FOV
     for (aiCamera *cam : cameras) {
-
         // screen aspect could be missing
         if (cam->mAspect)   {
             cam->mHorizontalFOV *= cam->mAspect;
+        } else {
+            ASSIMP_LOG_WARN("IRR: Camera aspect is not given, can't compute horizontal FOV");
         }
-        else DefaultLogger::get()->warn("IRR: Camera aspect is not given, can't compute horizontal FOV");
     }
 
     batch.LoadAll();
@@ -1472,7 +1472,7 @@ void IRRImporter::InternReadFile( const std::string& pFile,
      *  models from external files
      */
     if (!pScene->mNumMeshes || !pScene->mNumMaterials)  {
-        DefaultLogger::get()->warn("IRR: No meshes loaded, setting AI_SCENE_FLAGS_INCOMPLETE");
+        ASSIMP_LOG_WARN("IRR: No meshes loaded, setting AI_SCENE_FLAGS_INCOMPLETE");
         pScene->mFlags |= AI_SCENE_FLAGS_INCOMPLETE;
     }
 

code/IRRMeshLoader.cpp

@@ -175,7 +175,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
             if (!ASSIMP_stricmp(reader->getNodeName(),"buffer") && (curMat || curMesh)) {
                 // end of previous buffer. A material and a mesh should be there
                 if ( !curMat || !curMesh)   {
-                    DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material");                    
+                    ASSIMP_LOG_ERROR("IRRMESH: A buffer must contain a mesh and a material");
                     releaseMaterial( &curMat );
                     releaseMesh( &curMesh );
                 } else {
@@ -197,7 +197,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
 
             if (!ASSIMP_stricmp(reader->getNodeName(),"material"))  {
                 if (curMat) {
-                    DefaultLogger::get()->warn("IRRMESH: Only one material description per buffer, please");
+                    ASSIMP_LOG_WARN("IRRMESH: Only one material description per buffer, please");
                     releaseMaterial( &curMat );
                 }
                 curMat = ParseMaterial(curMatFlags);
@@ -208,7 +208,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
 
                 if (!num)   {
                     // This is possible ... remove the mesh from the list and skip further reading
-                    DefaultLogger::get()->warn("IRRMESH: Found mesh with zero vertices");
+                    ASSIMP_LOG_WARN("IRRMESH: Found mesh with zero vertices");
 
                     releaseMaterial( &curMat );
                     releaseMesh( &curMesh );
@@ -255,7 +255,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
                 }
                 else if (ASSIMP_stricmp("standard", t)) {
                     releaseMaterial( &curMat );
-                    DefaultLogger::get()->warn("IRRMESH: Unknown vertex format");
+                    ASSIMP_LOG_WARN("IRRMESH: Unknown vertex format");
                 }
                 else vertexFormat = 0;
                 textMeaning = 1;
@@ -275,7 +275,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
                 curMesh->mNumVertices = reader->getAttributeValueAsInt("indexCount");
                 if (!curMesh->mNumVertices) {
                     // This is possible ... remove the mesh from the list and skip further reading
-                    DefaultLogger::get()->warn("IRRMESH: Found mesh with zero indices");
+                    ASSIMP_LOG_WARN("IRRMESH: Found mesh with zero indices");
 
                     // mesh - away
                     releaseMesh( &curMesh );
@@ -288,7 +288,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
                 }
 
                 if (curMesh->mNumVertices % 3)  {
-                    DefaultLogger::get()->warn("IRRMESH: Number if indices isn't divisible by 3");
+                    ASSIMP_LOG_WARN("IRRMESH: Number if indices isn't divisible by 3");
                 }
 
                 curMesh->mNumFaces = curMesh->mNumVertices / 3;
@@ -439,7 +439,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
                 unsigned int total = 0;
                 while(SkipSpacesAndLineEnd(&sz))    {
                     if (curFace >= faceEnd) {
-                        DefaultLogger::get()->error("IRRMESH: Too many indices");
+                        ASSIMP_LOG_ERROR("IRRMESH: Too many indices");
                         break;
                     }
                     if (!curIdx)    {
@@ -449,7 +449,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
 
                     unsigned int idx = strtoul10(sz,&sz);
                     if (idx >= curVertices.size())  {
-                        DefaultLogger::get()->error("IRRMESH: Index out of range");
+                        ASSIMP_LOG_ERROR("IRRMESH: Index out of range");
                         idx = 0;
                     }
 
@@ -470,7 +470,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
                 }
 
                 if (curFace != faceEnd)
-                    DefaultLogger::get()->error("IRRMESH: Not enough indices");
+                    ASSIMP_LOG_ERROR("IRRMESH: Not enough indices");
 
                 // Finish processing the mesh - do some small material workarounds
                 if (curMatFlags & AI_IRRMESH_MAT_trans_vertex_alpha && !useColors)  {
@@ -492,7 +492,7 @@ void IRRMeshImporter::InternReadFile( const std::string& pFile,
     // End of the last buffer. A material and a mesh should be there
     if (curMat || curMesh)  {
         if ( !curMat || !curMesh)   {
-            DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material");
+            ASSIMP_LOG_ERROR("IRRMESH: A buffer must contain a mesh and a material");
             releaseMaterial( &curMat );
             releaseMesh( &curMesh );
         }

code/IRRShared.cpp

@@ -179,14 +179,14 @@ void IrrlichtBase::ReadVectorProperty  (VectorProperty&  out)
             SkipSpaces(&ptr);
             if (',' != *ptr)
             {
-                DefaultLogger::get()->error("IRR(MESH): Expected comma in vector definition");
+                ASSIMP_LOG_ERROR("IRR(MESH): Expected comma in vector definition");
             }
             else SkipSpaces(ptr+1,&ptr);
             ptr = fast_atoreal_move<float>( ptr,(float&)out.value.y );
             SkipSpaces(&ptr);
             if (',' != *ptr)
             {
-                DefaultLogger::get()->error("IRR(MESH): Expected comma in vector definition");
+                ASSIMP_LOG_ERROR("IRR(MESH): Expected comma in vector definition");
             }
             else SkipSpaces(ptr+1,&ptr);
             ptr = fast_atoreal_move<float>( ptr,(float&)out.value.z );
@@ -360,7 +360,7 @@ aiMaterial* IrrlichtBase::ParseMaterial(unsigned int& matFlags)
                             matFlags = AI_IRRMESH_MAT_normalmap_ta;
                         }
                         else {
-                            DefaultLogger::get()->warn("IRRMat: Unrecognized material type: " + prop.value);
+                            ASSIMP_LOG_WARN("IRRMat: Unrecognized material type: " + prop.value);
                         }
                     }
 
@@ -391,9 +391,7 @@ aiMaterial* IrrlichtBase::ParseMaterial(unsigned int& matFlags)
 
                             // set the corresponding material flag
                             matFlags |= AI_IRRMESH_EXTRA_2ND_TEXTURE;
-                        }
-                        // or just as second diffuse texture
-                        else if (matFlags & AI_IRRMESH_MAT_solid_2layer)    {
+                        } else if (matFlags & AI_IRRMESH_MAT_solid_2layer)    {// or just as second diffuse texture
                             ++cnt;
                             s.Set(prop.value);
                             mat->AddProperty(&s,AI_MATKEY_TEXTURE_DIFFUSE(1));
@@ -401,19 +399,15 @@ aiMaterial* IrrlichtBase::ParseMaterial(unsigned int& matFlags)
 
                             // set the corresponding material flag
                             matFlags |= AI_IRRMESH_EXTRA_2ND_TEXTURE;
+                        } else {
+                            ASSIMP_LOG_WARN("IRRmat: Skipping second texture");
                         }
-                        else DefaultLogger::get()->warn("IRRmat: Skipping second texture");
-                    }
-
-                    else if (prop.name == "Texture3" && cnt == 2)
-                    {
+                    } else if (prop.name == "Texture3" && cnt == 2) {
                         // Irrlicht does not seem to use these channels.
                         ++cnt;
                         s.Set(prop.value);
                         mat->AddProperty(&s,AI_MATKEY_TEXTURE_DIFFUSE(nd+1));
-                    }
-                    else if (prop.name == "Texture4" && cnt == 3)
-                    {
+                    } else if (prop.name == "Texture4" && cnt == 3) {
                         // Irrlicht does not seem to use these channels.
                         ++cnt;
                         s.Set(prop.value);
@@ -499,7 +493,8 @@ aiMaterial* IrrlichtBase::ParseMaterial(unsigned int& matFlags)
                 break;
         }
     }
-    DefaultLogger::get()->error("IRRMESH: Unexpected end of file. Material is not complete");
+    ASSIMP_LOG_ERROR("IRRMESH: Unexpected end of file. Material is not complete");
+
     return mat;
 }
 

code/Importer.cpp

@@ -205,7 +205,7 @@ aiReturn Importer::RegisterPPStep(BaseProcess* pImp)
     ASSIMP_BEGIN_EXCEPTION_REGION();
 
         pimpl->mPostProcessingSteps.push_back(pImp);
-        DefaultLogger::get()->info("Registering custom post-processing step");
+        ASSIMP_LOG_INFO("Registering custom post-processing step");
 
     ASSIMP_END_EXCEPTION_REGION(aiReturn);
     return AI_SUCCESS;
@@ -232,7 +232,7 @@ aiReturn Importer::RegisterLoader(BaseImporter* pImp)
 
 #ifdef ASSIMP_BUILD_DEBUG
         if (IsExtensionSupported(*it)) {
-            DefaultLogger::get()->warn("The file extension " + *it + " is already in use");
+            ASSIMP_LOG_WARN_F("The file extension ", *it, " is already in use");
         }
 #endif
         baked += *it;
@@ -240,7 +240,7 @@ aiReturn Importer::RegisterLoader(BaseImporter* pImp)
 
     // add the loader
     pimpl->mImporter.push_back(pImp);
-    DefaultLogger::get()->info("Registering custom importer for these file extensions: " + baked);
+    ASSIMP_LOG_INFO_F("Registering custom importer for these file extensions: ", baked);
     ASSIMP_END_EXCEPTION_REGION(aiReturn);
     return AI_SUCCESS;
 }
@@ -260,10 +260,10 @@ aiReturn Importer::UnregisterLoader(BaseImporter* pImp)
 
     if (it != pimpl->mImporter.end())   {
         pimpl->mImporter.erase(it);
-        DefaultLogger::get()->info("Unregistering custom importer: ");
+        ASSIMP_LOG_INFO("Unregistering custom importer: ");
         return AI_SUCCESS;
     }
-    DefaultLogger::get()->warn("Unable to remove custom importer: I can't find you ...");
+    ASSIMP_LOG_WARN("Unable to remove custom importer: I can't find you ...");
     ASSIMP_END_EXCEPTION_REGION(aiReturn);
     return AI_FAILURE;
 }
@@ -283,10 +283,10 @@ aiReturn Importer::UnregisterPPStep(BaseProcess* pImp)
 
     if (it != pimpl->mPostProcessingSteps.end())    {
         pimpl->mPostProcessingSteps.erase(it);
-        DefaultLogger::get()->info("Unregistering custom post-processing step");
+        ASSIMP_LOG_INFO("Unregistering custom post-processing step");
         return AI_SUCCESS;
     }
-    DefaultLogger::get()->warn("Unable to remove custom post-processing step: I can't find you ..");
+    ASSIMP_LOG_WARN("Unable to remove custom post-processing step: I can't find you ..");
     ASSIMP_END_EXCEPTION_REGION(aiReturn);
     return AI_FAILURE;
 }
@@ -368,11 +368,11 @@ bool Importer::IsDefaultProgressHandler() const
 bool _ValidateFlags(unsigned int pFlags)
 {
     if (pFlags & aiProcess_GenSmoothNormals && pFlags & aiProcess_GenNormals)   {
-        DefaultLogger::get()->error("#aiProcess_GenSmoothNormals and #aiProcess_GenNormals are incompatible");
+        ASSIMP_LOG_ERROR("#aiProcess_GenSmoothNormals and #aiProcess_GenNormals are incompatible");
         return false;
     }
     if (pFlags & aiProcess_OptimizeGraph && pFlags & aiProcess_PreTransformVertices)    {
-        DefaultLogger::get()->error("#aiProcess_OptimizeGraph and #aiProcess_PreTransformVertices are incompatible");
+        ASSIMP_LOG_ERROR("#aiProcess_OptimizeGraph and #aiProcess_PreTransformVertices are incompatible");
         return false;
     }
     return true;
@@ -504,26 +504,15 @@ const aiScene* Importer::ReadFileFromMemory( const void* pBuffer,
 // ------------------------------------------------------------------------------------------------
 void WriteLogOpening(const std::string& file)
 {
-    Logger* l = DefaultLogger::get();
-    if (!l) {
-        return;
-    }
-    l->info("Load " + file);
+    ASSIMP_LOG_INFO_F("Load ", file);
 
     // print a full version dump. This is nice because we don't
     // need to ask the authors of incoming bug reports for
     // the library version they're using - a log dump is
     // sufficient.
-    const unsigned int flags = aiGetCompileFlags();
-    l->debug(format()
-        << "Assimp "
-        << aiGetVersionMajor()
-        << "."
-        << aiGetVersionMinor()
-        << "."
-        << aiGetVersionRevision()
-
-        << " "
+    const unsigned int flags( aiGetCompileFlags() );
+    std::stringstream stream;
+    stream << "Assimp " << aiGetVersionMajor() << "." << aiGetVersionMinor() << "." << aiGetVersionRevision() << " "
 #if defined(ASSIMP_BUILD_ARCHITECTURE)
         << ASSIMP_BUILD_ARCHITECTURE
 #elif defined(_M_IX86) || defined(__x86_32__) || defined(__i386__)
@@ -539,12 +528,11 @@ void WriteLogOpening(const std::string& file)
 #elif defined(__arm__)
         << "arm"
 #else
-    << "<unknown architecture>"
+        << "<unknown architecture>"
 #endif
-
         << " "
 #if defined(ASSIMP_BUILD_COMPILER)
-        << ASSIMP_BUILD_COMPILER
+        << ( ASSIMP_BUILD_COMPILER )
 #elif defined(_MSC_VER)
         << "msvc"
 #elif defined(__GNUC__)
@@ -559,8 +547,9 @@ void WriteLogOpening(const std::string& file)
 
         << (flags & ASSIMP_CFLAGS_NOBOOST ? " noboost" : "")
         << (flags & ASSIMP_CFLAGS_SHARED  ? " shared" : "")
-        << (flags & ASSIMP_CFLAGS_SINGLETHREADED  ? " singlethreaded" : "")
-        );
+        << (flags & ASSIMP_CFLAGS_SINGLETHREADED  ? " singlethreaded" : "");
+
+        ASSIMP_LOG_DEBUG(stream.str());
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -586,7 +575,7 @@ const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
         // a scene. In this case we need to delete the old one
         if (pimpl->mScene)  {
 
-            DefaultLogger::get()->debug("(Deleting previous scene)");
+            ASSIMP_LOG_DEBUG("(Deleting previous scene)");
             FreeScene();
         }
 
@@ -594,7 +583,7 @@ const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
         if( !pimpl->mIOHandler->Exists( pFile)) {
 
             pimpl->mErrorString = "Unable to open file \"" + pFile + "\".";
-            DefaultLogger::get()->error(pimpl->mErrorString);
+            ASSIMP_LOG_ERROR(pimpl->mErrorString);
             return NULL;
         }
 
@@ -617,7 +606,7 @@ const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
             // not so bad yet ... try format auto detection.
             const std::string::size_type s = pFile.find_last_of('.');
             if (s != std::string::npos) {
-                DefaultLogger::get()->info("File extension not known, trying signature-based detection");
+                ASSIMP_LOG_INFO("File extension not known, trying signature-based detection");
                 for( unsigned int a = 0; a < pimpl->mImporter.size(); a++)  {
                     if( pimpl->mImporter[a]->CanRead( pFile, pimpl->mIOHandler, true)) {
                         imp = pimpl->mImporter[a];
@@ -628,7 +617,7 @@ const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
             // Put a proper error message if no suitable importer was found
             if( !imp)   {
                 pimpl->mErrorString = "No suitable reader found for the file format of file \"" + pFile + "\".";
-                DefaultLogger::get()->error(pimpl->mErrorString);
+                ASSIMP_LOG_ERROR(pimpl->mErrorString);
                 return NULL;
             }
         }
@@ -648,7 +637,7 @@ const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
         if ( NULL != desc ) {
             ext = desc->mName;
         }
-        DefaultLogger::get()->info("Found a matching importer for this file format: " + ext + "." );
+        ASSIMP_LOG_INFO("Found a matching importer for this file format: " + ext + "." );
         pimpl->mProgressHandler->UpdateFileRead( 0, fileSize );
 
         if (profiler) {
@@ -716,7 +705,7 @@ const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
         pimpl->mErrorString = std::string("std::exception: ") + e.what();
 #endif
 
-        DefaultLogger::get()->error(pimpl->mErrorString);
+        ASSIMP_LOG_ERROR(pimpl->mErrorString);
         delete pimpl->mScene; pimpl->mScene = NULL;
     }
 #endif // ! ASSIMP_CATCH_GLOBAL_EXCEPTIONS
@@ -744,7 +733,7 @@ const aiScene* Importer::ApplyPostProcessing(unsigned int pFlags)
 
     // In debug builds: run basic flag validation
     ai_assert(_ValidateFlags(pFlags));
-    DefaultLogger::get()->info("Entering post processing pipeline");
+    ASSIMP_LOG_INFO("Entering post processing pipeline");
 
 #ifndef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
     // The ValidateDS process plays an exceptional role. It isn't contained in the global
@@ -762,13 +751,13 @@ const aiScene* Importer::ApplyPostProcessing(unsigned int pFlags)
     if (pimpl->bExtraVerbose)
     {
 #ifdef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
-        DefaultLogger::get()->error("Verbose Import is not available due to build settings");
+        ASSIMP_LOG_ERROR("Verbose Import is not available due to build settings");
 #endif  // no validation
         pFlags |= aiProcess_ValidateDataStructure;
     }
 #else
     if (pimpl->bExtraVerbose) {
-        DefaultLogger::get()->warn("Not a debug build, ignoring extra verbose setting");
+        ASSIMP_LOG_WARN("Not a debug build, ignoring extra verbose setting");
     }
 #endif // ! DEBUG
 
@@ -800,18 +789,19 @@ const aiScene* Importer::ApplyPostProcessing(unsigned int pFlags)
 
         // If the extra verbose mode is active, execute the ValidateDataStructureStep again - after each step
         if (pimpl->bExtraVerbose)   {
-            DefaultLogger::get()->debug("Verbose Import: revalidating data structures");
+            ASSIMP_LOG_DEBUG("Verbose Import: re-validating data structures");
 
             ValidateDSProcess ds;
             ds.ExecuteOnScene (this);
             if( !pimpl->mScene) {
-                DefaultLogger::get()->error("Verbose Import: failed to revalidate data structures");
+                ASSIMP_LOG_ERROR("Verbose Import: failed to re-validate data structures");
                 break;
             }
         }
 #endif // ! DEBUG
     }
-    pimpl->mProgressHandler->UpdatePostProcess( static_cast<int>(pimpl->mPostProcessingSteps.size()), static_cast<int>(pimpl->mPostProcessingSteps.size()) );
+    pimpl->mProgressHandler->UpdatePostProcess( static_cast<int>(pimpl->mPostProcessingSteps.size()), 
+        static_cast<int>(pimpl->mPostProcessingSteps.size()) );
 
     // update private scene flags
     if( pimpl->mScene )
@@ -819,7 +809,7 @@ const aiScene* Importer::ApplyPostProcessing(unsigned int pFlags)
 
     // clear any data allocated by post-process steps
     pimpl->mPPShared->Clean();
-    DefaultLogger::get()->info("Leaving post processing pipeline");
+    ASSIMP_LOG_INFO("Leaving post processing pipeline");
 
     ASSIMP_END_EXCEPTION_REGION(const aiScene*);
     return pimpl->mScene;
@@ -840,7 +830,7 @@ const aiScene* Importer::ApplyCustomizedPostProcessing( BaseProcess *rootProcess
     }
 
     // In debug builds: run basic flag validation
-    DefaultLogger::get()->info( "Entering customized post processing pipeline" );
+    ASSIMP_LOG_INFO( "Entering customized post processing pipeline" );
 
 #ifndef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
     // The ValidateDS process plays an exceptional role. It isn't contained in the global
@@ -858,12 +848,12 @@ const aiScene* Importer::ApplyCustomizedPostProcessing( BaseProcess *rootProcess
     if ( pimpl->bExtraVerbose )
     {
 #ifdef ASSIMP_BUILD_NO_VALIDATEDS_PROCESS
-        DefaultLogger::get()->error( "Verbose Import is not available due to build settings" );
+        ASSIMP_LOG_ERROR( "Verbose Import is not available due to build settings" );
 #endif  // no validation
     }
 #else
     if ( pimpl->bExtraVerbose ) {
-        DefaultLogger::get()->warn( "Not a debug build, ignoring extra verbose setting" );
+        ASSIMP_LOG_WARN( "Not a debug build, ignoring extra verbose setting" );
     }
 #endif // ! DEBUG
 
@@ -881,18 +871,18 @@ const aiScene* Importer::ApplyCustomizedPostProcessing( BaseProcess *rootProcess
 
     // If the extra verbose mode is active, execute the ValidateDataStructureStep again - after each step
     if ( pimpl->bExtraVerbose || requestValidation  ) {
-        DefaultLogger::get()->debug( "Verbose Import: revalidating data structures" );
+        ASSIMP_LOG_DEBUG( "Verbose Import: revalidating data structures" );
 
         ValidateDSProcess ds;
         ds.ExecuteOnScene( this );
         if ( !pimpl->mScene ) {
-            DefaultLogger::get()->error( "Verbose Import: failed to revalidate data structures" );
+            ASSIMP_LOG_ERROR( "Verbose Import: failed to revalidate data structures" );
         }
     }
 
     // clear any data allocated by post-process steps
     pimpl->mPPShared->Clean();
-    DefaultLogger::get()->info( "Leaving customized post processing pipeline" );
+    ASSIMP_LOG_INFO( "Leaving customized post processing pipeline" );
 
     ASSIMP_END_EXCEPTION_REGION( const aiScene* );
 
@@ -903,7 +893,7 @@ const aiScene* Importer::ApplyCustomizedPostProcessing( BaseProcess *rootProcess
 // Helper function to check whether an extension is supported by ASSIMP
 bool Importer::IsExtensionSupported(const char* szExtension) const
 {
-    return NULL != GetImporter(szExtension);
+    return nullptr != GetImporter(szExtension);
 }
 
 // ------------------------------------------------------------------------------------------------

code/Importer/IFC/STEPFileReader.cpp

@@ -126,7 +126,7 @@ STEP::DB* STEP::ReadFileHeader(std::shared_ptr<IOStream> stream)
 
                 // XXX need support for multiple schemas?
                 if (list->GetSize() > 1)    {
-                    DefaultLogger::get()->warn(AddLineNumber("multiple schemas currently not supported",line));
+                    ASSIMP_LOG_WARN(AddLineNumber("multiple schemas currently not supported",line));
                 }
                 const EXPRESS::STRING* string( nullptr );
                 if (!list->GetSize() || !(string=dynamic_cast<const EXPRESS::STRING*>( (*list)[0].get() ))) {
@@ -192,7 +192,7 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
         // LineSplitter already ignores empty lines
         ai_assert(s.length());
         if (s[0] != '#') {
-            DefaultLogger::get()->warn(AddLineNumber("expected token \'#\'",line));
+            ASSIMP_LOG_WARN(AddLineNumber("expected token \'#\'",line));
             ++splitter;
             continue;
         }
@@ -202,14 +202,14 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
         // ---
         const std::string::size_type n0 = s.find_first_of('=');
         if (n0 == std::string::npos) {
-            DefaultLogger::get()->warn(AddLineNumber("expected token \'=\'",line));
+            ASSIMP_LOG_WARN(AddLineNumber("expected token \'=\'",line));
             ++splitter;
             continue;
         }
 
         const uint64_t id = strtoul10_64(s.substr(1,n0-1).c_str());
         if (!id) {
-            DefaultLogger::get()->warn(AddLineNumber("expected positive, numeric entity id",line));
+            ASSIMP_LOG_WARN(AddLineNumber("expected positive, numeric entity id",line));
             ++splitter;
             continue;
         }
@@ -236,7 +236,7 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
             }
 
             if(!ok) {
-                DefaultLogger::get()->warn(AddLineNumber("expected token \'(\'",line));
+                ASSIMP_LOG_WARN(AddLineNumber("expected token \'(\'",line));
                 continue;
             }
         }
@@ -263,13 +263,13 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
                 }
             }
             if(!ok) {
-                DefaultLogger::get()->warn(AddLineNumber("expected token \')\'",line));
+                ASSIMP_LOG_WARN(AddLineNumber("expected token \')\'",line));
                 continue;
             }
         }
 
         if (map.find(id) != map.end()) {
-            DefaultLogger::get()->warn(AddLineNumber((Formatter::format(),"an object with the id #",id," already exists"),line));
+            ASSIMP_LOG_WARN(AddLineNumber((Formatter::format(),"an object with the id #",id," already exists"),line));
         }
 
         std::string::size_type ns = n0;
@@ -292,11 +292,11 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
     }
 
     if (!splitter) {
-        DefaultLogger::get()->warn("STEP: ignoring unexpected EOF");
+        ASSIMP_LOG_WARN("STEP: ignoring unexpected EOF");
     }
 
     if ( !DefaultLogger::isNullLogger()){
-        DefaultLogger::get()->debug((Formatter::format(),"STEP: got ",map.size()," object records with ",
+        ASSIMP_LOG_DEBUG((Formatter::format(),"STEP: got ",map.size()," object records with ",
             db.GetRefs().size()," inverse index entries"));
     }
 }
@@ -392,7 +392,7 @@ std::shared_ptr<const EXPRESS::DataType> EXPRESS::DataType::Parse(const char*& i
         std::string stemp = std::string(start, static_cast<size_t>(cur - start));
         if(!StringToUTF8(stemp)) {
             // TODO: route this to a correct logger with line numbers etc., better error messages
-            DefaultLogger::get()->error("an error occurred reading escape sequences in ASCII text");
+            ASSIMP_LOG_ERROR("an error occurred reading escape sequences in ASCII text");
         }
 
         return std::make_shared<EXPRESS::STRING>(stemp);

code/ImproveCacheLocality.cpp

@@ -95,11 +95,11 @@ void ImproveCacheLocalityProcess::SetupProperties(const Importer* pImp)
 void ImproveCacheLocalityProcess::Execute( aiScene* pScene)
 {
     if (!pScene->mNumMeshes) {
-        DefaultLogger::get()->debug("ImproveCacheLocalityProcess skipped; there are no meshes");
+        ASSIMP_LOG_DEBUG("ImproveCacheLocalityProcess skipped; there are no meshes");
         return;
     }
 
-    DefaultLogger::get()->debug("ImproveCacheLocalityProcess begin");
+    ASSIMP_LOG_DEBUG("ImproveCacheLocalityProcess begin");
 
     float out = 0.f;
     unsigned int numf = 0, numm = 0;
@@ -112,12 +112,8 @@ void ImproveCacheLocalityProcess::Execute( aiScene* pScene)
         }
     }
     if (!DefaultLogger::isNullLogger()) {
-        char szBuff[128]; // should be sufficiently large in every case
-        ai_snprintf(szBuff,128,"Cache relevant are %u meshes (%u faces). Average output ACMR is %f",
-            numm,numf,out/numf);
-
-        DefaultLogger::get()->info(szBuff);
-        DefaultLogger::get()->debug("ImproveCacheLocalityProcess finished. ");
+        ASSIMP_LOG_INFO_F("Cache relevant are ", numm, " meshes (", numf," faces). Average output ACMR is ", out / numf );
+        ASSIMP_LOG_DEBUG("ImproveCacheLocalityProcess finished. ");
     }
 }
 
@@ -135,7 +131,7 @@ float ImproveCacheLocalityProcess::ProcessMesh( aiMesh* pMesh, unsigned int mesh
         return 0.f;
 
     if (pMesh->mPrimitiveTypes != aiPrimitiveType_TRIANGLE) {
-        DefaultLogger::get()->error("This algorithm works on triangle meshes only");
+        ASSIMP_LOG_ERROR("This algorithm works on triangle meshes only");
         return 0.f;
     }
 
@@ -186,7 +182,7 @@ float ImproveCacheLocalityProcess::ProcessMesh( aiMesh* pMesh, unsigned int mesh
             // mesh, otherwise this value would normally be at least minimally
             // smaller than 3.0 ...
             ai_snprintf(szBuff,128,"Mesh %u: Not suitable for vcache optimization",meshNum);
-            DefaultLogger::get()->warn(szBuff);
+            ASSIMP_LOG_WARN(szBuff);
             return 0.f;
         }
     }
@@ -364,11 +360,7 @@ float ImproveCacheLocalityProcess::ProcessMesh( aiMesh* pMesh, unsigned int mesh
 
         // very intense verbose logging ... prepare for much text if there are many meshes
         if ( DefaultLogger::get()->getLogSeverity() == Logger::VERBOSE) {
-            char szBuff[128]; // should be sufficiently large in every case
-
-            ai_snprintf(szBuff,128,"Mesh %u | ACMR in: %f out: %f | ~%.1f%%",meshNum,fACMR,fACMR2,
-                ((fACMR - fACMR2) / fACMR) * 100.f);
-            DefaultLogger::get()->debug(szBuff);
+            ASSIMP_LOG_DEBUG_F("Mesh %u | ACMR in: ", meshNum, " out: ", fACMR, " | ~", fACMR2, ((fACMR - fACMR2) / fACMR) * 100.f);
         }
 
         fACMR2 *= pMesh->mNumFaces;

code/JoinVerticesProcess.cpp

@@ -79,7 +79,7 @@ bool JoinVerticesProcess::IsActive( unsigned int pFlags) const
 // Executes the post processing step on the given imported data.
 void JoinVerticesProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("JoinVerticesProcess begin");
+    ASSIMP_LOG_DEBUG("JoinVerticesProcess begin");
 
     // get the total number of vertices BEFORE the step is executed
     int iNumOldVertices = 0;
@@ -95,19 +95,13 @@ void JoinVerticesProcess::Execute( aiScene* pScene)
         iNumVertices += ProcessMesh( pScene->mMeshes[a],a);
 
     // if logging is active, print detailed statistics
-    if (!DefaultLogger::isNullLogger())
-    {
-        if (iNumOldVertices == iNumVertices)
-        {
-            DefaultLogger::get()->debug("JoinVerticesProcess finished ");
-        } else
-        {
-            char szBuff[128]; // should be sufficiently large in every case
-            ::ai_snprintf(szBuff,128,"JoinVerticesProcess finished | Verts in: %i out: %i | ~%.1f%%",
-                iNumOldVertices,
-                iNumVertices,
-                ((iNumOldVertices - iNumVertices) / (float)iNumOldVertices) * 100.f);
-            DefaultLogger::get()->info(szBuff);
+    if (!DefaultLogger::isNullLogger()) {
+        if (iNumOldVertices == iNumVertices) {
+            ASSIMP_LOG_DEBUG("JoinVerticesProcess finished ");
+        } else {
+            ASSIMP_LOG_INFO_F("JoinVerticesProcess finished | Verts in: ", iNumOldVertices,
+                " out: ", iNumVertices, " | ~",
+                ((iNumOldVertices - iNumVertices) / (float)iNumOldVertices) * 100.f );
         }
     }
 
@@ -274,7 +268,7 @@ int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
     }
 
     if (!DefaultLogger::isNullLogger() && DefaultLogger::get()->getLogSeverity() == Logger::VERBOSE)    {
-        DefaultLogger::get()->debug((Formatter::format(),
+        ASSIMP_LOG_DEBUG_F(
             "Mesh ",meshIndex,
             " (",
             (pMesh->mName.length ? pMesh->mName.data : "unnamed"),
@@ -284,7 +278,7 @@ int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
             " | ~",
             ((pMesh->mNumVertices - uniqueVertices.size()) / (float)pMesh->mNumVertices) * 100.f,
             "%"
-        ));
+        );
     }
 
     // replace vertex data with the unique data sets
@@ -375,7 +369,7 @@ int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
                 }
             }
         } else {
-            DefaultLogger::get()->error( "X-Export: aiBone shall contain weights, but pointer to them is NULL." );
+            ASSIMP_LOG_ERROR( "X-Export: aiBone shall contain weights, but pointer to them is NULL." );
         }
 
         if (newWeights.size() > 0) {
@@ -409,7 +403,7 @@ int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex)
             }
 
             --a;
-            DefaultLogger::get()->warn("Removing bone -> no weights remaining");
+            ASSIMP_LOG_WARN("Removing bone -> no weights remaining");
         }
     }
     return pMesh->mNumVertices;

code/LWOBLoader.cpp

@@ -74,7 +74,7 @@ void LWOImporter::LoadLWOBFile()
         case AI_LWO_PNTS:
             {
                 if (!mCurLayer->mTempPoints.empty())
-                    DefaultLogger::get()->warn("LWO: PNTS chunk encountered twice");
+                    ASSIMP_LOG_WARN("LWO: PNTS chunk encountered twice");
                 else LoadLWOPoints(head.length);
                 break;
             }
@@ -83,7 +83,7 @@ void LWOImporter::LoadLWOBFile()
             {
 
                 if (!mCurLayer->mFaces.empty())
-                    DefaultLogger::get()->warn("LWO: POLS chunk encountered twice");
+                    ASSIMP_LOG_WARN("LWO: POLS chunk encountered twice");
                 else LoadLWOBPolygons(head.length);
                 break;
             }
@@ -91,7 +91,7 @@ void LWOImporter::LoadLWOBFile()
         case AI_LWO_SRFS:
             {
                 if (!mTags->empty())
-                    DefaultLogger::get()->warn("LWO: SRFS chunk encountered twice");
+                    ASSIMP_LOG_WARN("LWO: SRFS chunk encountered twice");
                 else LoadLWOTags(head.length);
                 break;
             }
@@ -183,20 +183,20 @@ void LWOImporter::CopyFaceIndicesLWOB(FaceList::iterator& it,
                 break;
             }
             face.mIndices = new unsigned int[face.mNumIndices];
-            for (unsigned int i = 0; i < face.mNumIndices;++i)
-            {
+            for (unsigned int i = 0; i < face.mNumIndices;++i) {
                 unsigned int & mi = face.mIndices[i];
                 uint16_t index;
                 ::memcpy(&index, cursor++, 2);
                 mi = index;
                 if (mi > mCurLayer->mTempPoints.size())
                 {
-                    DefaultLogger::get()->warn("LWOB: face index is out of range");
+                    ASSIMP_LOG_WARN("LWOB: face index is out of range");
                     mi = (unsigned int)mCurLayer->mTempPoints.size()-1;
                 }
             }
+        } else {
+            ASSIMP_LOG_WARN("LWOB: Face has 0 indices");
         }
-        else DefaultLogger::get()->warn("LWOB: Face has 0 indices");
         int16_t surface;
         ::memcpy(&surface, cursor++, 2);
         if (surface < 0)
@@ -242,7 +242,7 @@ LWO::Texture* LWOImporter::SetupNewTextureLWOB(LWO::TextureList& list,unsigned i
     else
     {
         // procedural or gradient, not supported
-        DefaultLogger::get()->error("LWOB: Unsupported legacy texture: " + type);
+        ASSIMP_LOG_ERROR_F("LWOB: Unsupported legacy texture: ", type);
     }
 
     return tex;
@@ -273,7 +273,7 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
          *  how much storage is actually left and work with this value from now on.
          */
         if (mFileBuffer + head.length > end) {
-            DefaultLogger::get()->error("LWOB: Invalid surface chunk length. Trying to continue.");
+            ASSIMP_LOG_ERROR("LWOB: Invalid surface chunk length. Trying to continue.");
             head.length = (uint16_t) (end - mFileBuffer);
         }
 
@@ -381,8 +381,9 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
             {
                 if (pTex)   {
                     GetS0(pTex->mFileName,head.length);
+                } else {
+                    ASSIMP_LOG_WARN("LWOB: Unexpected TIMG chunk");
                 }
-                else DefaultLogger::get()->warn("LWOB: Unexpected TIMG chunk");
                 break;
             }
         // texture strength
@@ -391,8 +392,9 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
                 AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,TVAL,1);
                 if (pTex)   {
                     pTex->mStrength = (float)GetU1()/ 255.f;
+                } else {
+                    ASSIMP_LOG_ERROR("LWOB: Unexpected TVAL chunk");
                 }
-                else DefaultLogger::get()->warn("LWOB: Unexpected TVAL chunk");
                 break;
             }
         // texture flags
@@ -400,8 +402,7 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
             {
                 AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,TFLG,2);
 
-                if (pTex)
-                {
+                if (nullptr != pTex) {
                     const uint16_t s = GetU2();
                     if (s & 1)
                         pTex->majorAxis = LWO::Texture::AXIS_X;
@@ -410,10 +411,13 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
                     else if (s & 4)
                         pTex->majorAxis = LWO::Texture::AXIS_Z;
 
-                    if (s & 16)
-                        DefaultLogger::get()->warn("LWOB: Ignoring \'negate\' flag on texture");
+                    if (s & 16) {
+                        ASSIMP_LOG_WARN("LWOB: Ignoring \'negate\' flag on texture");
+                    }
+                }
+                else {
+                    ASSIMP_LOG_WARN("LWOB: Unexpected TFLG chunk");
                 }
-                else DefaultLogger::get()->warn("LWOB: Unexpected TFLG chunk");
                 break;
             }
         }

code/LWOLoader.cpp

@@ -188,7 +188,7 @@ void LWOImporter::InternReadFile( const std::string& pFile,
 
     // old lightwave file format (prior to v6)
     if (AI_LWO_FOURCC_LWOB == fileType) {
-        DefaultLogger::get()->info("LWO file format: LWOB (<= LightWave 5.5)");
+        ASSIMP_LOG_INFO("LWO file format: LWOB (<= LightWave 5.5)");
 
         mIsLWO2 = false;
         mIsLXOB = false;
@@ -197,12 +197,12 @@ void LWOImporter::InternReadFile( const std::string& pFile,
     // New lightwave format
     else if (AI_LWO_FOURCC_LWO2 == fileType)    {
         mIsLXOB = false;
-        DefaultLogger::get()->info("LWO file format: LWO2 (>= LightWave 6)");
+        ASSIMP_LOG_INFO("LWO file format: LWO2 (>= LightWave 6)");
     }
     // MODO file format
     else if (AI_LWO_FOURCC_LXOB == fileType)    {
         mIsLXOB = true;
-        DefaultLogger::get()->info("LWO file format: LXOB (Modo)");
+        ASSIMP_LOG_INFO("LWO file format: LXOB (Modo)");
     }
     // we don't know this format
     else
@@ -271,7 +271,7 @@ void LWOImporter::InternReadFile( const std::string& pFile,
                 unsigned int idx = (*it).surfaceIndex;
                 if (idx >= mTags->size())
                 {
-                    DefaultLogger::get()->warn("LWO: Invalid face surface index");
+                    ASSIMP_LOG_WARN("LWO: Invalid face surface index");
                     idx = UINT_MAX;
                 }
                 if(UINT_MAX == idx || UINT_MAX == (idx = _mMapping[idx]))   {
@@ -423,7 +423,9 @@ void LWOImporter::InternReadFile( const std::string& pFile,
                     // So we use a separate implementation.
                     ComputeNormals(mesh,smoothingGroups,_mSurfaces[i]);
                 }
-                else DefaultLogger::get()->debug("LWO2: No need to compute normals, they're already there");
+                else {
+                    ASSIMP_LOG_DEBUG("LWO2: No need to compute normals, they're already there");
+                }
                 ++p;
             }
         }
@@ -686,13 +688,13 @@ void LWOImporter::ResolveClips()
         if (Clip::REF == clip.type) {
 
             if (clip.clipRef >= mClips.size())  {
-                DefaultLogger::get()->error("LWO2: Clip referrer index is out of range");
+                ASSIMP_LOG_ERROR("LWO2: Clip referrer index is out of range");
                 clip.clipRef = 0;
             }
 
             Clip& dest = mClips[clip.clipRef];
             if (Clip::REF == dest.type) {
-                DefaultLogger::get()->error("LWO2: Clip references another clip reference");
+                ASSIMP_LOG_ERROR("LWO2: Clip references another clip reference");
                 clip.type = Clip::UNSUPPORTED;
             }
 
@@ -711,7 +713,7 @@ void LWOImporter::AdjustTexturePath(std::string& out)
     if (!mIsLWO2 && ::strstr(out.c_str(), "(sequence)"))    {
 
         // remove the (sequence) and append 000
-        DefaultLogger::get()->info("LWOB: Sequence of animated texture found. It will be ignored");
+        ASSIMP_LOG_INFO("LWOB: Sequence of animated texture found. It will be ignored");
         out = out.substr(0,out.length()-10) + "000";
     }
 
@@ -786,10 +788,10 @@ void LWOImporter::LoadLWO2Polygons(unsigned int length)
     {
         // read unsupported stuff too (although we won't process it)
     case  AI_LWO_MBAL:
-        DefaultLogger::get()->warn("LWO2: Encountered unsupported primitive chunk (METABALL)");
+        ASSIMP_LOG_WARN("LWO2: Encountered unsupported primitive chunk (METABALL)");
         break;
     case  AI_LWO_CURV:
-        DefaultLogger::get()->warn("LWO2: Encountered unsupported primitive chunk (SPLINE)");;
+        ASSIMP_LOG_WARN("LWO2: Encountered unsupported primitive chunk (SPLINE)");;
         break;
 
         // These are ok with no restrictions
@@ -801,7 +803,7 @@ void LWOImporter::LoadLWO2Polygons(unsigned int length)
     default:
 
         // hm!? wtf is this? ok ...
-        DefaultLogger::get()->error("LWO2: Ignoring unknown polygon type.");
+        ASSIMP_LOG_ERROR("LWO2: Ignoring unknown polygon type.");
         break;
     }
 
@@ -864,7 +866,7 @@ void LWOImporter::CopyFaceIndicesLWO2(FaceList::iterator& it,
                 face.mIndices[i] = ReadVSizedIntLWO2((uint8_t*&)cursor) + mCurLayer->mPointIDXOfs;
                 if(face.mIndices[i] > mCurLayer->mTempPoints.size())
                 {
-                    DefaultLogger::get()->warn("LWO2: Failure evaluating face record, index is out of range");
+                    ASSIMP_LOG_WARN("LWO2: Failure evaluating face record, index is out of range");
                     face.mIndices[i] = (unsigned int)mCurLayer->mTempPoints.size()-1;
                 }
             }
@@ -891,7 +893,7 @@ void LWOImporter::LoadLWO2PolygonTags(unsigned int length)
         unsigned int j = GetU2();
 
         if (i >= mCurLayer->mFaces.size())  {
-            DefaultLogger::get()->warn("LWO2: face index in PTAG is out of range");
+            ASSIMP_LOG_WARN("LWO2: face index in PTAG is out of range");
             continue;
         }
 
@@ -914,7 +916,7 @@ VMapEntry* FindEntry(std::vector< T >& list,const std::string& name, bool perPol
     for (auto & elem : list)   {
         if (elem.name == name) {
             if (!perPoly)   {
-                DefaultLogger::get()->warn("LWO2: Found two VMAP sections with equal names");
+                ASSIMP_LOG_WARN("LWO2: Found two VMAP sections with equal names");
             }
             return &elem;
         }
@@ -999,7 +1001,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
     {
     case AI_LWO_TXUV:
         if (dims != 2)  {
-            DefaultLogger::get()->warn("LWO2: Skipping UV channel \'"
+            ASSIMP_LOG_WARN("LWO2: Skipping UV channel \'"
             + name + "\' with !2 components");
             return;
         }
@@ -1008,7 +1010,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
     case AI_LWO_WGHT:
     case AI_LWO_MNVW:
         if (dims != 1)  {
-            DefaultLogger::get()->warn("LWO2: Skipping Weight Channel \'"
+            ASSIMP_LOG_WARN("LWO2: Skipping Weight Channel \'"
             + name + "\' with !1 components");
             return;
         }
@@ -1018,7 +1020,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
     case AI_LWO_RGB:
     case AI_LWO_RGBA:
         if (dims != 3 && dims != 4) {
-            DefaultLogger::get()->warn("LWO2: Skipping Color Map \'"
+            ASSIMP_LOG_WARN("LWO2: Skipping Color Map \'"
             + name + "\' with a dimension > 4 or < 3");
             return;
         }
@@ -1033,7 +1035,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
         if (name != "vert_normals" || dims != 3 || mCurLayer->mNormals.name.length())
             return;
 
-        DefaultLogger::get()->info("Processing non-standard extension: MODO VMAP.NORM.vert_normals");
+        ASSIMP_LOG_INFO("Processing non-standard extension: MODO VMAP.NORM.vert_normals");
 
         mCurLayer->mNormals.name = name;
         base = & mCurLayer->mNormals;
@@ -1048,7 +1050,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
         if (name == "APS.Level") {
             // XXX handle this (seems to be subdivision-related).
         }
-        DefaultLogger::get()->warn("LWO2: Skipping unknown VMAP/VMAD channel \'" + name + "\'");
+        ASSIMP_LOG_WARN_F("LWO2: Skipping unknown VMAP/VMAD channel \'", name, "\'");
         return;
     };
     base->Allocate((unsigned int)mCurLayer->mTempPoints.size());
@@ -1068,7 +1070,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
 
         unsigned int idx = ReadVSizedIntLWO2(mFileBuffer) + mCurLayer->mPointIDXOfs;
         if (idx >= numPoints)   {
-            DefaultLogger::get()->warn("LWO2: Failure evaluating VMAP/VMAD entry \'" + name + "\', vertex index is out of range");
+            ASSIMP_LOG_WARN_F("LWO2: Failure evaluating VMAP/VMAD entry \'", name, "\', vertex index is out of range");
             mFileBuffer += base->dims<<2u;
             continue;
         }
@@ -1078,7 +1080,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
                 // we have already a VMAP entry for this vertex - thus
                 // we need to duplicate the corresponding polygon.
                 if (polyIdx >= numFaces)    {
-                    DefaultLogger::get()->warn("LWO2: Failure evaluating VMAD entry \'" + name + "\', polygon index is out of range");
+                    ASSIMP_LOG_WARN_F("LWO2: Failure evaluating VMAD entry \'", name, "\', polygon index is out of range");
                     mFileBuffer += base->dims<<2u;
                     continue;
                 }
@@ -1119,7 +1121,7 @@ void LWOImporter::LoadLWO2VertexMap(unsigned int length, bool perPoly)
                     CreateNewEntry(mCurLayer->mNormals, srcIdx );
                 }
                 if (!had) {
-                    DefaultLogger::get()->warn("LWO2: Failure evaluating VMAD entry \'" + name + "\', vertex index wasn't found in that polygon");
+                    ASSIMP_LOG_WARN_F("LWO2: Failure evaluating VMAD entry \'", name, "\', vertex index wasn't found in that polygon");
                     ai_assert(had);
                 }
             }
@@ -1180,11 +1182,11 @@ void LWOImporter::LoadLWO2Clip(unsigned int length)
         break;
 
     case AI_LWO_STCC:
-        DefaultLogger::get()->warn("LWO2: Color shifted images are not supported");
+        ASSIMP_LOG_WARN("LWO2: Color shifted images are not supported");
         break;
 
     case AI_LWO_ANIM:
-        DefaultLogger::get()->warn("LWO2: Animated textures are not supported");
+        ASSIMP_LOG_WARN("LWO2: Animated textures are not supported");
         break;
 
     case AI_LWO_XREF:
@@ -1201,7 +1203,7 @@ void LWOImporter::LoadLWO2Clip(unsigned int length)
         break;
 
     default:
-        DefaultLogger::get()->warn("LWO2: Encountered unknown CLIP subchunk");
+        ASSIMP_LOG_WARN("LWO2: Encountered unknown CLIP sub-chunk");
     }
 }
 
@@ -1282,7 +1284,7 @@ void LWOImporter::LoadLWO2Envelope(unsigned int length)
             {
                 AI_LWO_VALIDATE_CHUNK_LENGTH(head.length,SPAN,4);
                 if (envelope.keys.size()<2)
-                    DefaultLogger::get()->warn("LWO2: Unexpected SPAN chunk");
+                    ASSIMP_LOG_WARN("LWO2: Unexpected SPAN chunk");
                 else {
                     LWO::Key& key = envelope.keys.back();
                     switch (GetU4())
@@ -1300,7 +1302,7 @@ void LWOImporter::LoadLWO2Envelope(unsigned int length)
                         case AI_LWO_BEZ2:
                             key.inter = LWO::IT_BEZ2;break;
                         default:
-                            DefaultLogger::get()->warn("LWO2: Unknown interval interpolation mode");
+                            ASSIMP_LOG_WARN("LWO2: Unknown interval interpolation mode");
                     };
 
                     // todo ... read params
@@ -1309,7 +1311,8 @@ void LWOImporter::LoadLWO2Envelope(unsigned int length)
             }
 
         default:
-            DefaultLogger::get()->warn("LWO2: Encountered unknown ENVL subchunk");
+            ASSIMP_LOG_WARN("LWO2: Encountered unknown ENVL subchunk");
+            break;
         }
         // regardless how much we did actually read, go to the next chunk
         mFileBuffer = next;
@@ -1408,7 +1411,7 @@ void LWOImporter::LoadLWO2File()
         case AI_LWO_VMAD:
             if (mCurLayer->mFaces.empty())
             {
-                DefaultLogger::get()->warn("LWO2: Unexpected VMAD chunk");
+                ASSIMP_LOG_WARN("LWO2: Unexpected VMAD chunk");
                 break;
             }
             // --- intentionally no break here
@@ -1418,7 +1421,7 @@ void LWOImporter::LoadLWO2File()
                     break;
 
                 if (mCurLayer->mTempPoints.empty())
-                    DefaultLogger::get()->warn("LWO2: Unexpected VMAP chunk");
+                    ASSIMP_LOG_WARN("LWO2: Unexpected VMAP chunk");
                 else LoadLWO2VertexMap(head.length,head.type == AI_LWO_VMAD);
                 break;
             }
@@ -1439,17 +1442,21 @@ void LWOImporter::LoadLWO2File()
                 if (skip)
                     break;
 
-                if (mCurLayer->mFaces.empty())
-                    DefaultLogger::get()->warn("LWO2: Unexpected PTAG");
-                else LoadLWO2PolygonTags(head.length);
+                if (mCurLayer->mFaces.empty()) {
+                    ASSIMP_LOG_WARN("LWO2: Unexpected PTAG");
+                } else {
+                    LoadLWO2PolygonTags(head.length);
+                }
                 break;
             }
             // list of tags
         case AI_LWO_TAGS:
             {
-                if (!mTags->empty())
-                    DefaultLogger::get()->warn("LWO2: SRFS chunk encountered twice");
-                else LoadLWOTags(head.length);
+                if (!mTags->empty()) {
+                    ASSIMP_LOG_WARN("LWO2: SRFS chunk encountered twice");
+                }   else {
+                    LoadLWOTags(head.length);
+                }
                 break;
             }
 

code/LWOLoader.h

@@ -473,7 +473,7 @@ inline void LWOImporter::GetS0(std::string& out,unsigned int max)
     {
         if (++iCursor > max)
         {
-            DefaultLogger::get()->warn("LWO: Invalid file, string is is too long");
+            ASSIMP_LOG_WARN("LWO: Invalid file, string is is too long");
             break;
         }
         ++mFileBuffer;

code/LWOMaterial.cpp

@@ -74,7 +74,7 @@ inline aiTextureMapMode GetMapMode(LWO::Texture::Wrap in)
             return aiTextureMapMode_Mirror;
 
         case LWO::Texture::RESET:
-            DefaultLogger::get()->warn("LWO2: Unsupported texture map mode: RESET");
+            ASSIMP_LOG_WARN("LWO2: Unsupported texture map mode: RESET");
 
             // fall though here
         case LWO::Texture::EDGE:
@@ -117,7 +117,7 @@ bool LWOImporter::HandleTextures(aiMaterial* pcMat, const TextureList& in, aiTex
                 mapping = aiTextureMapping_BOX;
                 break;
             case LWO::Texture::FrontProjection:
-                DefaultLogger::get()->error("LWO2: Unsupported texture mapping: FrontProjection");
+                ASSIMP_LOG_ERROR("LWO2: Unsupported texture mapping: FrontProjection");
                 mapping = aiTextureMapping_OTHER;
                 break;
             case LWO::Texture::UV:
@@ -164,7 +164,7 @@ bool LWOImporter::HandleTextures(aiMaterial* pcMat, const TextureList& in, aiTex
                 static_assert(sizeof(aiUVTransform)/sizeof(ai_real) == 5, "sizeof(aiUVTransform)/sizeof(ai_real) == 5");
                 pcMat->AddProperty(&trafo,1,AI_MATKEY_UVTRANSFORM(type,cur));
             }
-            DefaultLogger::get()->debug("LWO2: Setting up non-UV mapping");
+            ASSIMP_LOG_DEBUG("LWO2: Setting up non-UV mapping");
         }
 
         // The older LWOB format does not use indirect references to clips.
@@ -181,7 +181,7 @@ bool LWOImporter::HandleTextures(aiMaterial* pcMat, const TextureList& in, aiTex
 
             }
             if (candidate == end)   {
-                DefaultLogger::get()->error("LWO2: Clip index is out of bounds");
+                ASSIMP_LOG_ERROR("LWO2: Clip index is out of bounds");
                 temp = 0;
 
                 // fixme: apparently some LWO files shipping with Doom3 don't
@@ -194,7 +194,7 @@ bool LWOImporter::HandleTextures(aiMaterial* pcMat, const TextureList& in, aiTex
             }
             else {
                 if (Clip::UNSUPPORTED == (*candidate).type) {
-                    DefaultLogger::get()->error("LWO2: Clip type is not supported");
+                    ASSIMP_LOG_ERROR("LWO2: Clip type is not supported");
                     continue;
                 }
                 AdjustTexturePath((*candidate).path);
@@ -212,7 +212,7 @@ bool LWOImporter::HandleTextures(aiMaterial* pcMat, const TextureList& in, aiTex
         {
             std::string ss = texture.mFileName;
             if (!ss.length()) {
-                DefaultLogger::get()->error("LWOB: Empty file name");
+                ASSIMP_LOG_WARN("LWOB: Empty file name");
                 continue;
             }
             AdjustTexturePath(ss);
@@ -246,7 +246,7 @@ bool LWOImporter::HandleTextures(aiMaterial* pcMat, const TextureList& in, aiTex
 
             default:
                 temp = (unsigned int)aiTextureOp_Multiply;
-                DefaultLogger::get()->warn("LWO2: Unsupported texture blend mode: alpha or displacement");
+                ASSIMP_LOG_WARN("LWO2: Unsupported texture blend mode: alpha or displacement");
 
         }
         // Setup texture operation
@@ -347,20 +347,20 @@ void LWOImporter::ConvertMaterial(const LWO::Surface& surf,aiMaterial* pcMat)
     // the surface and  search for a name which we know ...
     for (const auto &shader : surf.mShaders)   {
         if (shader.functionName == "LW_SuperCelShader" || shader.functionName == "AH_CelShader")  {
-            DefaultLogger::get()->info("LWO2: Mapping LW_SuperCelShader/AH_CelShader to aiShadingMode_Toon");
+            ASSIMP_LOG_INFO("LWO2: Mapping LW_SuperCelShader/AH_CelShader to aiShadingMode_Toon");
 
             m = aiShadingMode_Toon;
             break;
         }
         else if (shader.functionName == "LW_RealFresnel" || shader.functionName == "LW_FastFresnel")  {
-            DefaultLogger::get()->info("LWO2: Mapping LW_RealFresnel/LW_FastFresnel to aiShadingMode_Fresnel");
+            ASSIMP_LOG_INFO("LWO2: Mapping LW_RealFresnel/LW_FastFresnel to aiShadingMode_Fresnel");
 
             m = aiShadingMode_Fresnel;
             break;
         }
         else
         {
-            DefaultLogger::get()->warn("LWO2: Unknown surface shader: " + shader.functionName);
+            ASSIMP_LOG_WARN_F("LWO2: Unknown surface shader: ", shader.functionName);
         }
     }
     if (surf.mMaximumSmoothAngle <= 0.0)
@@ -398,7 +398,7 @@ char LWOImporter::FindUVChannels(LWO::TextureList& list,
             }
             else {
                 // channel mismatch. need to duplicate the material.
-                DefaultLogger::get()->warn("LWO: Channel mismatch, would need to duplicate surface [design bug]");
+                ASSIMP_LOG_WARN("LWO: Channel mismatch, would need to duplicate surface [design bug]");
 
                 // TODO
             }
@@ -429,7 +429,7 @@ void LWOImporter::FindUVChannels(LWO::Surface& surf,
 
                     if (extra >= AI_MAX_NUMBER_OF_TEXTURECOORDS) {
 
-                        DefaultLogger::get()->error("LWO: Maximum number of UV channels for "
+                        ASSIMP_LOG_ERROR("LWO: Maximum number of UV channels for "
                             "this mesh reached. Skipping channel \'" + uv.name + "\'");
 
                     }
@@ -502,7 +502,7 @@ void LWOImporter::FindVCChannels(const LWO::Surface& surf, LWO::SortedRep& sorte
                     if (vc.abAssigned[idx] && ((aiColor4D*)&vc.rawData[0])[idx] != aiColor4D(0.0,0.0,0.0,1.0)) {
                         if (next >= AI_MAX_NUMBER_OF_COLOR_SETS) {
 
-                            DefaultLogger::get()->error("LWO: Maximum number of vertex color channels for "
+                            ASSIMP_LOG_ERROR("LWO: Maximum number of vertex color channels for "
                                 "this mesh reached. Skipping channel \'" + vc.name + "\'");
 
                         }
@@ -567,7 +567,7 @@ void LWOImporter::LoadLWO2ImageMap(unsigned int size, LWO::Texture& tex )
 void LWOImporter::LoadLWO2Procedural(unsigned int /*size*/, LWO::Texture& tex )
 {
     // --- not supported at the moment
-    DefaultLogger::get()->error("LWO2: Found procedural texture, this is not supported");
+    ASSIMP_LOG_ERROR("LWO2: Found procedural texture, this is not supported");
     tex.bCanUse = false;
 }
 
@@ -575,7 +575,7 @@ void LWOImporter::LoadLWO2Procedural(unsigned int /*size*/, LWO::Texture& tex )
 void LWOImporter::LoadLWO2Gradient(unsigned int /*size*/, LWO::Texture& tex  )
 {
     // --- not supported at the moment
-    DefaultLogger::get()->error("LWO2: Found gradient texture, this is not supported");
+    ASSIMP_LOG_ERROR("LWO2: Found gradient texture, this is not supported");
     tex.bCanUse = false;
 }
 
@@ -590,7 +590,7 @@ void LWOImporter::LoadLWO2TextureHeader(unsigned int size, LWO::Texture& tex )
     // we could crash later if this is an empty string ...
     if (!tex.ordinal.length())
     {
-        DefaultLogger::get()->error("LWO2: Ill-formed SURF.BLOK ordinal string");
+        ASSIMP_LOG_ERROR("LWO2: Ill-formed SURF.BLOK ordinal string");
         tex.ordinal = "\x00";
     }
     while (true)
@@ -662,7 +662,7 @@ void LWOImporter::LoadLWO2TextureBlock(LE_NCONST IFF::SubChunkHeader* head, unsi
     case AI_LWO_REFL:
         listRef = &surf.mReflectionTextures;break;
     default:
-        DefaultLogger::get()->warn("LWO2: Encountered unknown texture type");
+        ASSIMP_LOG_WARN("LWO2: Encountered unknown texture type");
         return;
     }
 
@@ -691,7 +691,7 @@ void LWOImporter::LoadLWO2ShaderBlock(LE_NCONST IFF::SubChunkHeader* /*head*/, u
     // we could crash later if this is an empty string ...
     if (!shader.ordinal.length())
     {
-        DefaultLogger::get()->error("LWO2: Ill-formed SURF.BLOK ordinal string");
+        ASSIMP_LOG_ERROR("LWO2: Ill-formed SURF.BLOK ordinal string");
         shader.ordinal = "\x00";
     }
 
@@ -750,7 +750,7 @@ void LWOImporter::LoadLWO2Surface(unsigned int size)
             }
         }
         if (derived.size())
-            DefaultLogger::get()->warn("LWO2: Unable to find source surface: " + derived);
+            ASSIMP_LOG_WARN("LWO2: Unable to find source surface: " + derived);
     }
 
     while (true)
@@ -886,7 +886,7 @@ void LWOImporter::LoadLWO2Surface(unsigned int size)
                     break;
 
                 default:
-                    DefaultLogger::get()->warn("LWO2: Found an unsupported surface BLOK");
+                    ASSIMP_LOG_WARN("LWO2: Found an unsupported surface BLOK");
                 };
 
                 break;

code/LWSLoader.cpp

@@ -105,7 +105,7 @@ void LWS::Element::Parse (const char*& buffer)
 
         if (children.back().tokens[0] == "Plugin")
         {
-            DefaultLogger::get()->debug("LWS: Skipping over plugin-specific data");
+            ASSIMP_LOG_DEBUG("LWS: Skipping over plugin-specific data");
 
             // strange stuff inside Plugin/Endplugin blocks. Needn't
             // follow LWS syntax, so we skip over it
@@ -200,7 +200,7 @@ void LWSImporter::SetupProperties(const Importer* pImp)
 void LWSImporter::ReadEnvelope(const LWS::Element& dad, LWO::Envelope& fill )
 {
     if (dad.children.empty()) {
-        DefaultLogger::get()->error("LWS: Envelope descriptions must not be empty");
+        ASSIMP_LOG_ERROR("LWS: Envelope descriptions must not be empty");
         return;
     }
 
@@ -248,7 +248,7 @@ void LWSImporter::ReadEnvelope(const LWS::Element& dad, LWO::Envelope& fill )
                     num = 4;
                     break;
                 default:
-                    DefaultLogger::get()->error("LWS: Unknown span type");
+                    ASSIMP_LOG_ERROR("LWS: Unknown span type");
             }
             for (unsigned int i = 0; i < num;++i) {
                 SkipSpaces(&c);
@@ -305,7 +305,7 @@ void LWSImporter::ReadEnvelope_Old(
     return;
 
 unexpected_end:
-    DefaultLogger::get()->error("LWS: Encountered unexpected end of file while parsing object motion");
+    ASSIMP_LOG_ERROR("LWS: Encountered unexpected end of file while parsing object motion");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -352,7 +352,7 @@ void LWSImporter::BuildGraph(aiNode* nd, LWS::NodeDesc& src, std::vector<Attachm
         if (src.path.length() ) {
             obj = batch.GetImport(src.id);
             if (!obj) {
-                DefaultLogger::get()->error("LWS: Failed to read external file " + src.path);
+                ASSIMP_LOG_ERROR("LWS: Failed to read external file " + src.path);
             }
             else {
                 if (obj->mRootNode->mNumChildren == 1) {
@@ -551,7 +551,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
     // get file format version and print to log
     ++it;
     unsigned int version = strtoul10((*it).tokens[0].c_str());
-    DefaultLogger::get()->info("LWS file format version is " + (*it).tokens[0]);
+    ASSIMP_LOG_INFO("LWS file format version is " + (*it).tokens[0]);
     first = 0.;
     last  = 60.;
     fps   = 25.; /* seems to be a good default frame rate */
@@ -656,7 +656,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
                     d.number = cur_object++;
                     nodes.push_back(d);
                 }
-                else DefaultLogger::get()->error("LWS: Unexpected keyword: \'Channel\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'Channel\'");
             }
 
             // important: index of channel
@@ -673,7 +673,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'Envelope': a single animation channel
         else if ((*it).tokens[0] == "Envelope") {
             if (nodes.empty() || nodes.back().channels.empty())
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'Envelope\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'Envelope\'");
             else {
                 ReadEnvelope((*it),nodes.back().channels.back());
             }
@@ -684,7 +684,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
             (*it).tokens[0] == "LightMotion")) {
 
             if (nodes.empty())
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'<Light|Object|Camera>Motion\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'<Light|Object|Camera>Motion\'");
             else {
                 ReadEnvelope_Old(it,root.children.end(),nodes.back(),version);
             }
@@ -692,7 +692,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'Pre/PostBehavior': pre/post animation behaviour for LWSC 2
         else if (version == 2 && (*it).tokens[0] == "Pre/PostBehavior") {
             if (nodes.empty())
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'Pre/PostBehavior'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'Pre/PostBehavior'");
             else {
                 for (std::list<LWO::Envelope>::iterator it = nodes.back().channels.begin(); it != nodes.back().channels.end(); ++it) {
                     // two ints per envelope
@@ -705,14 +705,14 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'ParentItem': specifies the parent of the current element
         else if ((*it).tokens[0] == "ParentItem") {
             if (nodes.empty())
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'ParentItem\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'ParentItem\'");
 
             else nodes.back().parent = strtoul16(c,&c);
         }
         // 'ParentObject': deprecated one for older formats
         else if (version < 3 && (*it).tokens[0] == "ParentObject") {
             if (nodes.empty())
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'ParentObject\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'ParentObject\'");
 
             else {
                 nodes.back().parent = strtoul10(c,&c) | (1u << 28u);
@@ -736,7 +736,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'CameraName': set name of currently active camera
         else if ((*it).tokens[0] == "CameraName") {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::CAMERA)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'CameraName\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'CameraName\'");
 
             else nodes.back().name = c;
         }
@@ -758,14 +758,14 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'LightName': set name of currently active light
         else if ((*it).tokens[0] == "LightName") {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::LIGHT)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'LightName\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'LightName\'");
 
             else nodes.back().name = c;
         }
         // 'LightIntensity': set intensity of currently active light
         else if ((*it).tokens[0] == "LightIntensity" || (*it).tokens[0] == "LgtIntensity" ) {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::LIGHT)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'LightIntensity\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'LightIntensity\'");
 
             else fast_atoreal_move<float>(c, nodes.back().lightIntensity );
 
@@ -773,7 +773,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'LightType': set type of currently active light
         else if ((*it).tokens[0] == "LightType") {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::LIGHT)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'LightType\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'LightType\'");
 
             else nodes.back().lightType = strtoul10(c);
 
@@ -781,7 +781,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'LightFalloffType': set falloff type of currently active light
         else if ((*it).tokens[0] == "LightFalloffType") {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::LIGHT)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'LightFalloffType\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'LightFalloffType\'");
 
             else nodes.back().lightFalloffType = strtoul10(c);
 
@@ -789,7 +789,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'LightConeAngle': set cone angle of currently active light
         else if ((*it).tokens[0] == "LightConeAngle") {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::LIGHT)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'LightConeAngle\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'LightConeAngle\'");
 
             else nodes.back().lightConeAngle = fast_atof(c);
 
@@ -797,7 +797,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'LightEdgeAngle': set area where we're smoothing from min to max intensity
         else if ((*it).tokens[0] == "LightEdgeAngle") {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::LIGHT)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'LightEdgeAngle\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'LightEdgeAngle\'");
 
             else nodes.back().lightEdgeAngle = fast_atof(c);
 
@@ -805,7 +805,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'LightColor': set color of currently active light
         else if ((*it).tokens[0] == "LightColor") {
             if (nodes.empty() || nodes.back().type != LWS::NodeDesc::LIGHT)
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'LightColor\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'LightColor\'");
 
             else {
                 c = fast_atoreal_move<float>(c, (float&) nodes.back().lightColor.r );
@@ -819,7 +819,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
         // 'PivotPosition': position of local transformation origin
         else if ((*it).tokens[0] == "PivotPosition" || (*it).tokens[0] == "PivotPoint") {
             if (nodes.empty())
-                DefaultLogger::get()->error("LWS: Unexpected keyword: \'PivotPosition\'");
+                ASSIMP_LOG_ERROR("LWS: Unexpected keyword: \'PivotPosition\'");
             else {
                 c = fast_atoreal_move<float>(c, (float&) nodes.back().pivotPos.x );
                 SkipSpaces(&c);
@@ -840,7 +840,7 @@ void LWSImporter::InternReadFile( const std::string& pFile, aiScene* pScene,
             if (dit != it && *it == (*dit).parent) {
                 if ((*dit).parent_resolved) {
                     // fixme: it's still possible to produce an overflow due to cross references ..
-                    DefaultLogger::get()->error("LWS: Found cross reference in scenegraph");
+                    ASSIMP_LOG_ERROR("LWS: Found cross reference in scene-graph");
                     continue;
                 }
 

code/LimitBoneWeightsProcess.cpp

@@ -76,13 +76,13 @@ bool LimitBoneWeightsProcess::IsActive( unsigned int pFlags) const
 
 // ------------------------------------------------------------------------------------------------
 // Executes the post processing step on the given imported data.
-void LimitBoneWeightsProcess::Execute( aiScene* pScene)
-{
-    DefaultLogger::get()->debug("LimitBoneWeightsProcess begin");
-    for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
-        ProcessMesh( pScene->mMeshes[a]);
+void LimitBoneWeightsProcess::Execute( aiScene* pScene) {
+    ASSIMP_LOG_DEBUG("LimitBoneWeightsProcess begin");
+    for (unsigned int a = 0; a < pScene->mNumMeshes; ++a ) {
+        ProcessMesh(pScene->mMeshes[a]);
+    }
 
-    DefaultLogger::get()->debug("LimitBoneWeightsProcess end");
+    ASSIMP_LOG_DEBUG("LimitBoneWeightsProcess end");
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -195,9 +195,7 @@ void LimitBoneWeightsProcess::ProcessMesh( aiMesh* pMesh)
         }
 
         if (!DefaultLogger::isNullLogger()) {
-            char buffer[1024];
-            ai_snprintf(buffer,1024,"Removed %u weights. Input bones: %u. Output bones: %u",removed,old_bones,pMesh->mNumBones);
-            DefaultLogger::get()->info(buffer);
+            ASSIMP_LOG_INFO_F("Removed ", removed, " weights. Input bones: ", old_bones, ". Output bones: ", pMesh->mNumBones );
         }
     }
 }

code/MD2Loader.cpp

@@ -83,7 +83,7 @@ void MD2::LookupNormalIndex(uint8_t iNormalIndex,aiVector3D& vOut)
 {
     // make sure the normal index has a valid value
     if (iNormalIndex >= ARRAYSIZE(g_avNormals)) {
-        DefaultLogger::get()->warn("Index overflow in Quake II normal vector list");
+        ASSIMP_LOG_WARN("Index overflow in Quake II normal vector list");
         iNormalIndex = ARRAYSIZE(g_avNormals) - 1;
     }
     vOut = *((const aiVector3D*)(&g_avNormals[iNormalIndex]));
@@ -161,7 +161,7 @@ void MD2Importer::ValidateHeader( )
 
     // check file format version
     if (m_pcHeader->version != 8)
-        DefaultLogger::get()->warn( "Unsupported md2 file version. Continuing happily ...");
+        ASSIMP_LOG_WARN( "Unsupported md2 file version. Continuing happily ...");
 
     // check some values whether they are valid
     if (0 == m_pcHeader->numFrames)
@@ -203,11 +203,11 @@ void MD2Importer::ValidateHeader( )
     }
 
     if (m_pcHeader->numSkins > AI_MD2_MAX_SKINS)
-        DefaultLogger::get()->warn("The model contains more skins than Quake 2 supports");
+        ASSIMP_LOG_WARN("The model contains more skins than Quake 2 supports");
     if ( m_pcHeader->numFrames > AI_MD2_MAX_FRAMES)
-        DefaultLogger::get()->warn("The model contains more frames than Quake 2 supports");
+        ASSIMP_LOG_WARN("The model contains more frames than Quake 2 supports");
     if (m_pcHeader->numVertices > AI_MD2_MAX_VERTS)
-        DefaultLogger::get()->warn("The model contains more vertices than Quake 2 supports");
+        ASSIMP_LOG_WARN("The model contains more vertices than Quake 2 supports");
 
     if (m_pcHeader->numFrames <= configFrameID )
         throw DeadlyImportError("The requested frame is not existing the file");
@@ -352,7 +352,7 @@ void MD2Importer::InternReadFile( const std::string& pFile,
             pcHelper->AddProperty(&szString,AI_MATKEY_TEXTURE_DIFFUSE(0));
         }
         else{
-            DefaultLogger::get()->warn("Texture file name has zero length. It will be skipped.");
+            ASSIMP_LOG_WARN("Texture file name has zero length. It will be skipped.");
         }
     }
     else    {
@@ -390,11 +390,11 @@ void MD2Importer::InternReadFile( const std::string& pFile,
         // check whether the skin width or height are zero (this would
         // cause a division through zero)
         if (!m_pcHeader->skinWidth) {
-            DefaultLogger::get()->error("MD2: No valid skin width given");
+            ASSIMP_LOG_ERROR("MD2: No valid skin width given");
         }
         else fDivisorU = (float)m_pcHeader->skinWidth;
         if (!m_pcHeader->skinHeight){
-            DefaultLogger::get()->error("MD2: No valid skin height given");
+            ASSIMP_LOG_ERROR("MD2: No valid skin height given");
         }
         else fDivisorV = (float)m_pcHeader->skinHeight;
     }
@@ -412,7 +412,7 @@ void MD2Importer::InternReadFile( const std::string& pFile,
             // validate vertex indices
             unsigned int iIndex = (unsigned int)pcTriangles[i].vertexIndices[c];
             if (iIndex >= m_pcHeader->numVertices)  {
-                DefaultLogger::get()->error("MD2: Vertex index is outside the allowed range");
+                ASSIMP_LOG_ERROR("MD2: Vertex index is outside the allowed range");
                 iIndex = m_pcHeader->numVertices-1;
             }
 
@@ -440,7 +440,7 @@ void MD2Importer::InternReadFile( const std::string& pFile,
                 // validate texture coordinates
                 iIndex = pcTriangles[i].textureIndices[c];
                 if (iIndex >= m_pcHeader->numTexCoords) {
-                    DefaultLogger::get()->error("MD2: UV index is outside the allowed range");
+                    ASSIMP_LOG_ERROR("MD2: UV index is outside the allowed range");
                     iIndex = m_pcHeader->numTexCoords-1;
                 }
 

code/MD3Loader.cpp

@@ -101,7 +101,7 @@ Q3Shader::BlendFunc StringToBlendFunc(const std::string& m)
     if (m == "GL_ONE_MINUS_DST_COLOR") {
         return Q3Shader::BLEND_GL_ONE_MINUS_DST_COLOR;
     }
-    DefaultLogger::get()->error("Q3Shader: Unknown blend function: " + m);
+    ASSIMP_LOG_ERROR("Q3Shader: Unknown blend function: " + m);
     return Q3Shader::BLEND_NONE;
 }
 
@@ -113,7 +113,7 @@ bool Q3Shader::LoadShader(ShaderData& fill, const std::string& pFile,IOSystem* i
     if (!file.get())
         return false; // if we can't access the file, don't worry and return
 
-    DefaultLogger::get()->info("Loading Quake3 shader file " + pFile);
+    ASSIMP_LOG_INFO_F("Loading Quake3 shader file ", pFile);
 
     // read file in memory
     const size_t s = file->FileSize();
@@ -136,7 +136,7 @@ bool Q3Shader::LoadShader(ShaderData& fill, const std::string& pFile,IOSystem* i
 
             // append to last section, if any
             if (!curData) {
-                DefaultLogger::get()->error("Q3Shader: Unexpected shader section token \'{\'");
+                ASSIMP_LOG_ERROR("Q3Shader: Unexpected shader section token \'{\'");
                 return true; // still no failure, the file is there
             }
 
@@ -206,19 +206,16 @@ bool Q3Shader::LoadShader(ShaderData& fill, const std::string& pFile,IOSystem* i
                     SkipSpaces(&buff);
                     if (!ASSIMP_strincmp(buff,"back",4)) {
                         curData->cull = Q3Shader::CULL_CCW;
-                    }
-                    else if (!ASSIMP_strincmp(buff,"front",5)) {
+                    } else if (!ASSIMP_strincmp(buff,"front",5)) {
                         curData->cull = Q3Shader::CULL_CW;
-                    }
-                    else if (!ASSIMP_strincmp(buff,"none",4) || !ASSIMP_strincmp(buff,"disable",7)) {
+                    } else if (!ASSIMP_strincmp(buff,"none",4) || !ASSIMP_strincmp(buff,"disable",7)) {
                         curData->cull = Q3Shader::CULL_NONE;
+                    } else {
+                        ASSIMP_LOG_ERROR("Q3Shader: Unrecognized cull mode");
                     }
-                    else DefaultLogger::get()->error("Q3Shader: Unrecognized cull mode");
                 }
             }
-        }
-
-        else {
+        } else {
             // add new section
             fill.blocks.push_back(Q3Shader::ShaderDataBlock());
             curData = &fill.blocks.back();
@@ -238,7 +235,7 @@ bool Q3Shader::LoadSkin(SkinData& fill, const std::string& pFile,IOSystem* io)
     if (!file.get())
         return false; // if we can't access the file, don't worry and return
 
-    DefaultLogger::get()->info("Loading Quake3 skin file " + pFile);
+    ASSIMP_LOG_INFO("Loading Quake3 skin file " + pFile);
 
     // read file in memory
     const size_t s = file->FileSize();
@@ -397,7 +394,7 @@ void MD3Importer::ValidateHeaderOffsets()
 
     // Check file format version
     if (pcHeader->VERSION > 15)
-        DefaultLogger::get()->warn( "Unsupported MD3 file version. Continuing happily ...");
+        ASSIMP_LOG_WARN( "Unsupported MD3 file version. Continuing happily ...");
 
     // Check some offset values whether they are valid
     if (!pcHeader->NUM_SURFACES)
@@ -438,25 +435,24 @@ void MD3Importer::ValidateSurfaceHeaderOffsets(const MD3::Surface* pcSurf)
     // Check whether all requirements for Q3 files are met. We don't
     // care, but probably someone does.
     if (pcSurf->NUM_TRIANGLES > AI_MD3_MAX_TRIANGLES) {
-        DefaultLogger::get()->warn("MD3: Quake III triangle limit exceeded");
+        ASSIMP_LOG_WARN("MD3: Quake III triangle limit exceeded");
     }
 
     if (pcSurf->NUM_SHADER > AI_MD3_MAX_SHADERS) {
-        DefaultLogger::get()->warn("MD3: Quake III shader limit exceeded");
+        ASSIMP_LOG_WARN("MD3: Quake III shader limit exceeded");
     }
 
     if (pcSurf->NUM_VERTICES > AI_MD3_MAX_VERTS) {
-        DefaultLogger::get()->warn("MD3: Quake III vertex limit exceeded");
+        ASSIMP_LOG_WARN("MD3: Quake III vertex limit exceeded");
     }
 
     if (pcSurf->NUM_FRAMES > AI_MD3_MAX_FRAMES) {
-        DefaultLogger::get()->warn("MD3: Quake III frame limit exceeded");
+        ASSIMP_LOG_WARN("MD3: Quake III frame limit exceeded");
     }
 }
 
 // ------------------------------------------------------------------------------------------------
-const aiImporterDesc* MD3Importer::GetInfo () const
-{
+const aiImporterDesc* MD3Importer::GetInfo () const {
     return &desc;
 }
 
@@ -579,7 +575,7 @@ bool MD3Importer::ReadMultipartFile()
         aiNode* tag_torso, *tag_head;
         std::vector<AttachmentInfo> attach;
 
-        DefaultLogger::get()->info("Multi part MD3 player model: lower, upper and head parts are joined");
+        ASSIMP_LOG_INFO("Multi part MD3 player model: lower, upper and head parts are joined");
 
         // ensure we won't try to load ourselves recursively
         BatchLoader::PropertyMap props;
@@ -600,21 +596,21 @@ bool MD3Importer::ReadMultipartFile()
         // ... and get them. We need all of them.
         scene_lower = batch.GetImport(_lower);
         if (!scene_lower) {
-            DefaultLogger::get()->error("M3D: Failed to read multi part model, lower.md3 fails to load");
+            ASSIMP_LOG_ERROR("M3D: Failed to read multi part model, lower.md3 fails to load");
             failure = "lower";
             goto error_cleanup;
         }
 
         scene_upper = batch.GetImport(_upper);
         if (!scene_upper) {
-            DefaultLogger::get()->error("M3D: Failed to read multi part model, upper.md3 fails to load");
+            ASSIMP_LOG_ERROR("M3D: Failed to read multi part model, upper.md3 fails to load");
             failure = "upper";
             goto error_cleanup;
         }
 
         scene_head  = batch.GetImport(_head);
         if (!scene_head) {
-            DefaultLogger::get()->error("M3D: Failed to read multi part model, head.md3 fails to load");
+            ASSIMP_LOG_ERROR("M3D: Failed to read multi part model, head.md3 fails to load");
             failure = "head";
             goto error_cleanup;
         }
@@ -628,7 +624,7 @@ bool MD3Importer::ReadMultipartFile()
         // tag_torso
         tag_torso = scene_lower->mRootNode->FindNode("tag_torso");
         if (!tag_torso) {
-            DefaultLogger::get()->error("M3D: Failed to find attachment tag for multi part model: tag_torso expected");
+            ASSIMP_LOG_ERROR("M3D: Failed to find attachment tag for multi part model: tag_torso expected");
             goto error_cleanup;
         }
         scene_upper->mRootNode->mName.Set("upper");
@@ -637,7 +633,7 @@ bool MD3Importer::ReadMultipartFile()
         // tag_head
         tag_head = scene_upper->mRootNode->FindNode("tag_head");
         if (!tag_head) {
-            DefaultLogger::get()->error("M3D: Failed to find attachment tag for multi part model: tag_head expected");
+            ASSIMP_LOG_ERROR( "M3D: Failed to find attachment tag for multi part model: tag_head expected");
             goto error_cleanup;
         }
         scene_head->mRootNode->mName.Set("head");
@@ -890,7 +886,7 @@ void MD3Importer::InternReadFile( const std::string& pFile,
 
         if (it != skins.textures.end()) {
             texture_name = &*( _texture_name = (*it).second).begin();
-            DefaultLogger::get()->debug("MD3: Assigning skin texture " + (*it).second + " to surface " + pcSurfaces->NAME);
+            ASSIMP_LOG_DEBUG_F("MD3: Assigning skin texture ", (*it).second, " to surface ", pcSurfaces->NAME);
             (*it).resolved = true; // mark entry as resolved
         }
 
@@ -919,9 +915,10 @@ void MD3Importer::InternReadFile( const std::string& pFile,
             if (dit != shaders.blocks.end()) {
                 // Hurra, wir haben einen. Tolle Sache.
                 shader = &*dit;
-                DefaultLogger::get()->info("Found shader record for " +without_ext );
+                ASSIMP_LOG_INFO("Found shader record for " +without_ext );
+            } else {
+                ASSIMP_LOG_WARN("Unable to find shader record for " + without_ext);
             }
-            else DefaultLogger::get()->warn("Unable to find shader record for " +without_ext );
         }
 
         aiMaterial* pcHelper = new aiMaterial();
@@ -950,7 +947,7 @@ void MD3Importer::InternReadFile( const std::string& pFile,
                 szString.Set(convertedPath);
             }
             else    {
-                DefaultLogger::get()->warn("Texture file name has zero length. Using default name");
+                ASSIMP_LOG_WARN("Texture file name has zero length. Using default name");
                 szString.Set("dummy_texture.bmp");
             }
             pcHelper->AddProperty(&szString,AI_MATKEY_TEXTURE_DIFFUSE(0));
@@ -1040,7 +1037,7 @@ void MD3Importer::InternReadFile( const std::string& pFile,
     if (!DefaultLogger::isNullLogger()) {
         for (std::list< Q3Shader::SkinData::TextureEntry>::const_iterator it = skins.textures.begin();it != skins.textures.end(); ++it) {
             if (!(*it).resolved) {
-                DefaultLogger::get()->error("MD3: Failed to match skin " + (*it).first + " to surface " + (*it).second);
+                ASSIMP_LOG_ERROR_F("MD3: Failed to match skin ", (*it).first, " to surface ", (*it).second);
             }
         }
     }

code/MD5Loader.cpp

@@ -359,7 +359,7 @@ void MD5Importer::LoadMD5MeshFile ()
 
     // Check whether we can read from the file
     if( file.get() == NULL || !file->FileSize())    {
-        DefaultLogger::get()->warn("Failed to access MD5MESH file: " + pFile);
+        ASSIMP_LOG_WARN("Failed to access MD5MESH file: " + pFile);
         return;
     }
     bHadMD5Mesh = true;
@@ -482,7 +482,7 @@ void MD5Importer::LoadMD5MeshFile ()
                 for (unsigned int jub = (*iter).mFirstWeight, w = jub; w < jub + (*iter).mNumWeights;++w)
                     fSum += meshSrc.mWeights[w].mWeight;
                 if (!fSum) {
-                    DefaultLogger::get()->error("MD5MESH: The sum of all vertex bone weights is 0");
+                    ASSIMP_LOG_ERROR("MD5MESH: The sum of all vertex bone weights is 0");
                     continue;
                 }
 
@@ -574,7 +574,7 @@ void MD5Importer::LoadMD5AnimFile ()
 
     // Check whether we can read from the file
     if( !file.get() || !file->FileSize())   {
-        DefaultLogger::get()->warn("Failed to read MD5ANIM file: " + pFile);
+        ASSIMP_LOG_WARN("Failed to read MD5ANIM file: " + pFile);
         return;
     }
     LoadFileIntoMemory(file.get());
@@ -588,8 +588,7 @@ void MD5Importer::LoadMD5AnimFile ()
     // generate and fill the output animation
     if (animParser.mAnimatedBones.empty() || animParser.mFrames.empty() ||
         animParser.mBaseFrames.size() != animParser.mAnimatedBones.size())  {
-
-        DefaultLogger::get()->error("MD5ANIM: No frames or animated bones loaded");
+        ASSIMP_LOG_ERROR("MD5ANIM: No frames or animated bones loaded");
     }
     else {
         bHadMD5Anim = true;

code/MD5Parser.cpp

@@ -70,7 +70,7 @@ MD5Parser::MD5Parser(char* _buffer, unsigned int _fileSize )
     fileSize = _fileSize;
     lineNumber = 0;
 
-    DefaultLogger::get()->debug("MD5Parser begin");
+    ASSIMP_LOG_DEBUG("MD5Parser begin");
 
     // parse the file header
     ParseHeader();
@@ -88,7 +88,7 @@ MD5Parser::MD5Parser(char* _buffer, unsigned int _fileSize )
     if ( !DefaultLogger::isNullLogger())    {
         char szBuffer[128]; // should be sufficiently large
         ::ai_snprintf(szBuffer,128,"MD5Parser end. Parsed %i sections",(int)mSections.size());
-        DefaultLogger::get()->debug(szBuffer);
+        ASSIMP_LOG_DEBUG(szBuffer);
     }
 }
 
@@ -107,7 +107,7 @@ MD5Parser::MD5Parser(char* _buffer, unsigned int _fileSize )
 {
     char szBuffer[1024];
     ::sprintf(szBuffer,"[MD5] Line %u: %s",line,warn);
-    DefaultLogger::get()->warn(szBuffer);
+    ASSIMP_LOG_WARN(szBuffer);
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -130,7 +130,7 @@ void MD5Parser::ParseHeader()
     // FIX: can break the log length limit, so we need to be careful
     char* sz = buffer;
     while (!IsLineEnd( *buffer++));
-    DefaultLogger::get()->info(std::string(sz,std::min((uintptr_t)MAX_LOG_MESSAGE_LENGTH, (uintptr_t)(buffer-sz))));
+    ASSIMP_LOG_INFO(std::string(sz,std::min((uintptr_t)MAX_LOG_MESSAGE_LENGTH, (uintptr_t)(buffer-sz))));
     SkipSpacesAndLineEnd();
 }
 
@@ -243,7 +243,7 @@ bool MD5Parser::ParseSection(Section& out)
 // .MD5MESH parsing function
 MD5MeshParser::MD5MeshParser(SectionList& mSections)
 {
-    DefaultLogger::get()->debug("MD5MeshParser begin");
+    ASSIMP_LOG_DEBUG("MD5MeshParser begin");
 
     // now parse all sections
     for (SectionList::const_iterator iter =  mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter){
@@ -354,14 +354,14 @@ MD5MeshParser::MD5MeshParser(SectionList& mSections)
             }
         }
     }
-    DefaultLogger::get()->debug("MD5MeshParser end");
+    ASSIMP_LOG_DEBUG("MD5MeshParser end");
 }
 
 // ------------------------------------------------------------------------------------------------
 // .MD5ANIM parsing function
 MD5AnimParser::MD5AnimParser(SectionList& mSections)
 {
-    DefaultLogger::get()->debug("MD5AnimParser begin");
+    ASSIMP_LOG_DEBUG("MD5AnimParser begin");
 
     fFrameRate = 24.0f;
     mNumAnimatedComponents = UINT_MAX;
@@ -445,14 +445,14 @@ MD5AnimParser::MD5AnimParser(SectionList& mSections)
             fast_atoreal_move<float>((*iter).mGlobalValue.c_str(),fFrameRate);
         }
     }
-    DefaultLogger::get()->debug("MD5AnimParser end");
+    ASSIMP_LOG_DEBUG("MD5AnimParser end");
 }
 
 // ------------------------------------------------------------------------------------------------
 // .MD5CAMERA parsing function
 MD5CameraParser::MD5CameraParser(SectionList& mSections)
 {
-    DefaultLogger::get()->debug("MD5CameraParser begin");
+    ASSIMP_LOG_DEBUG("MD5CameraParser begin");
     fFrameRate = 24.0f;
 
     for (SectionList::const_iterator iter =  mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter) {
@@ -483,6 +483,6 @@ MD5CameraParser::MD5CameraParser(SectionList& mSections)
             }
         }
     }
-    DefaultLogger::get()->debug("MD5CameraParser end");
+    ASSIMP_LOG_DEBUG("MD5CameraParser end");
 }
 

code/MDCLoader.cpp

@@ -159,8 +159,9 @@ void MDCImporter::ValidateHeader()
             "magic word found is " + std::string( szBuffer ));
     }
 
-    if (pcHeader->ulVersion != AI_MDC_VERSION)
-        DefaultLogger::get()->warn("Unsupported MDC file version (2 (AI_MDC_VERSION) was expected)");
+    if (pcHeader->ulVersion != AI_MDC_VERSION) {
+        ASSIMP_LOG_WARN("Unsupported MDC file version (2 (AI_MDC_VERSION) was expected)");
+    }
 
     if (pcHeader->ulOffsetBorderFrames + pcHeader->ulNumFrames * sizeof(MDC::Frame) > this->fileSize ||
         pcHeader->ulOffsetSurfaces + pcHeader->ulNumSurfaces * sizeof(MDC::Surface) > this->fileSize)
@@ -169,8 +170,9 @@ void MDCImporter::ValidateHeader()
             "and point to something behind the file.");
     }
 
-    if (this->configFrameID >= this->pcHeader->ulNumFrames)
+    if (this->configFrameID >= this->pcHeader->ulNumFrames) {
         throw DeadlyImportError("The requested frame is not available");
+    }
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -388,7 +390,7 @@ void MDCImporter::InternReadFile(
                 uint32_t quak = pcTriangle->aiIndices[iIndex];
                 if (quak >= pcSurface->ulNumVertices)
                 {
-                    DefaultLogger::get()->error("MDC vertex index is out of range");
+                    ASSIMP_LOG_ERROR("MDC vertex index is out of range");
                     quak = pcSurface->ulNumVertices-1;
                 }
 

code/MDLLoader.cpp

@@ -187,37 +187,37 @@ void MDLImporter::InternReadFile( const std::string& pFile,
 
     // Original Quake1 format
     if (AI_MDL_MAGIC_NUMBER_BE == iMagicWord || AI_MDL_MAGIC_NUMBER_LE == iMagicWord)   {
-        DefaultLogger::get()->debug("MDL subtype: Quake 1, magic word is IDPO");
+        ASSIMP_LOG_DEBUG("MDL subtype: Quake 1, magic word is IDPO");
         iGSFileVersion = 0;
         InternReadFile_Quake1();
     }
     // GameStudio A<old> MDL2 format - used by some test models that come with 3DGS
     else if (AI_MDL_MAGIC_NUMBER_BE_GS3 == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS3 == iMagicWord)  {
-        DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A2, magic word is MDL2");
+        ASSIMP_LOG_DEBUG("MDL subtype: 3D GameStudio A2, magic word is MDL2");
         iGSFileVersion = 2;
         InternReadFile_Quake1();
     }
     // GameStudio A4 MDL3 format
     else if (AI_MDL_MAGIC_NUMBER_BE_GS4 == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS4 == iMagicWord)  {
-        DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A4, magic word is MDL3");
+        ASSIMP_LOG_DEBUG("MDL subtype: 3D GameStudio A4, magic word is MDL3");
         iGSFileVersion = 3;
         InternReadFile_3DGS_MDL345();
     }
     // GameStudio A5+ MDL4 format
     else if (AI_MDL_MAGIC_NUMBER_BE_GS5a == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS5a == iMagicWord)    {
-        DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A4, magic word is MDL4");
+        ASSIMP_LOG_DEBUG("MDL subtype: 3D GameStudio A4, magic word is MDL4");
         iGSFileVersion = 4;
         InternReadFile_3DGS_MDL345();
     }
     // GameStudio A5+ MDL5 format
     else if (AI_MDL_MAGIC_NUMBER_BE_GS5b == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS5b == iMagicWord)    {
-        DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A5, magic word is MDL5");
+        ASSIMP_LOG_DEBUG("MDL subtype: 3D GameStudio A5, magic word is MDL5");
         iGSFileVersion = 5;
         InternReadFile_3DGS_MDL345();
     }
     // GameStudio A7 MDL7 format
     else if (AI_MDL_MAGIC_NUMBER_BE_GS7 == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_GS7 == iMagicWord)  {
-        DefaultLogger::get()->debug("MDL subtype: 3D GameStudio A7, magic word is MDL7");
+        ASSIMP_LOG_DEBUG("MDL subtype: 3D GameStudio A7, magic word is MDL7");
         iGSFileVersion = 7;
         InternReadFile_3DGS_MDL7();
     }
@@ -225,7 +225,7 @@ void MDLImporter::InternReadFile( const std::string& pFile,
     else if (AI_MDL_MAGIC_NUMBER_BE_HL2a == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2a == iMagicWord ||
         AI_MDL_MAGIC_NUMBER_BE_HL2b == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2b == iMagicWord)
     {
-        DefaultLogger::get()->debug("MDL subtype: Source(tm) Engine, magic word is IDST/IDSQ");
+        ASSIMP_LOG_DEBUG("MDL subtype: Source(tm) Engine, magic word is IDST/IDSQ");
         iGSFileVersion = 0;
         InternReadFile_HL2();
     }
@@ -258,7 +258,7 @@ void MDLImporter::SizeCheck(const void* szPos)
 }
 
 // ------------------------------------------------------------------------------------------------
-// Just for debgging purposes
+// Just for debugging purposes
 void MDLImporter::SizeCheck(const void* szPos, const char* szFile, unsigned int iLine)
 {
     ai_assert(NULL != szFile);
@@ -298,20 +298,20 @@ void MDLImporter::ValidateHeader_Quake1(const MDL::Header* pcHeader)
     if (!this->iGSFileVersion)
     {
         if (pcHeader->num_verts > AI_MDL_MAX_VERTS)
-            DefaultLogger::get()->warn("Quake 1 MDL model has more than AI_MDL_MAX_VERTS vertices");
+            ASSIMP_LOG_WARN("Quake 1 MDL model has more than AI_MDL_MAX_VERTS vertices");
 
         if (pcHeader->num_tris > AI_MDL_MAX_TRIANGLES)
-            DefaultLogger::get()->warn("Quake 1 MDL model has more than AI_MDL_MAX_TRIANGLES triangles");
+            ASSIMP_LOG_WARN("Quake 1 MDL model has more than AI_MDL_MAX_TRIANGLES triangles");
 
         if (pcHeader->num_frames > AI_MDL_MAX_FRAMES)
-            DefaultLogger::get()->warn("Quake 1 MDL model has more than AI_MDL_MAX_FRAMES frames");
+            ASSIMP_LOG_WARN("Quake 1 MDL model has more than AI_MDL_MAX_FRAMES frames");
 
         // (this does not apply for 3DGS MDLs)
         if (!this->iGSFileVersion && pcHeader->version != AI_MDL_VERSION)
-            DefaultLogger::get()->warn("Quake 1 MDL model has an unknown version: AI_MDL_VERSION (=6) is "
+            ASSIMP_LOG_WARN("Quake 1 MDL model has an unknown version: AI_MDL_VERSION (=6) is "
                 "the expected file format version");
         if(pcHeader->num_skins && (!pcHeader->skinwidth || !pcHeader->skinheight))
-            DefaultLogger::get()->warn("Skin width or height are 0");
+            ASSIMP_LOG_WARN("Skin width or height are 0");
     }
 }
 
@@ -481,7 +481,7 @@ void MDLImporter::InternReadFile_Quake1() {
             if (iIndex >= (unsigned int)pcHeader->num_verts)
             {
                 iIndex = pcHeader->num_verts-1;
-                DefaultLogger::get()->warn("Index overflow in Q1-MDL vertex list.");
+                ASSIMP_LOG_WARN("Index overflow in Q1-MDL vertex list.");
             }
 
             aiVector3D& vec = pcMesh->mVertices[iCurrent];
@@ -692,7 +692,7 @@ void MDLImporter::InternReadFile_3DGS_MDL345( )
                 unsigned int iIndex = pcTriangles->index_xyz[c];
                 if (iIndex >= (unsigned int)pcHeader->num_verts)    {
                     iIndex = pcHeader->num_verts-1;
-                    DefaultLogger::get()->warn("Index overflow in MDLn vertex list");
+                    ASSIMP_LOG_WARN("Index overflow in MDLn vertex list");
                 }
 
                 aiVector3D& vec = pcMesh->mVertices[iCurrent];
@@ -747,7 +747,7 @@ void MDLImporter::InternReadFile_3DGS_MDL345( )
                 unsigned int iIndex = pcTriangles->index_xyz[c];
                 if (iIndex >= (unsigned int)pcHeader->num_verts)    {
                     iIndex = pcHeader->num_verts-1;
-                    DefaultLogger::get()->warn("Index overflow in MDLn vertex list");
+                    ASSIMP_LOG_WARN("Index overflow in MDLn vertex list");
                 }
 
                 aiVector3D& vec = pcMesh->mVertices[iCurrent];
@@ -798,7 +798,7 @@ void MDLImporter::ImportUVCoordinate_3DGS_MDL345(
     // validate UV indices
     if (iIndex >= (unsigned int) pcHeader->synctype)    {
         iIndex = pcHeader->synctype-1;
-        DefaultLogger::get()->warn("Index overflow in MDLn UV coord list");
+        ASSIMP_LOG_WARN("Index overflow in MDLn UV coord list");
     }
 
     float s = (float)pcSrc[iIndex].u;
@@ -835,7 +835,7 @@ void MDLImporter::CalculateUVCoordinates_MDL5()
             iWidth  = (unsigned int)*piPtr;
             if (!iHeight || !iWidth)
             {
-                DefaultLogger::get()->warn("Either the width or the height of the "
+                ASSIMP_LOG_WARN("Either the width or the height of the "
                     "embedded DDS texture is zero. Unable to compute final texture "
                     "coordinates. The texture coordinates remain in their original "
                     "0-x/0-y (x,y = texture size) range.");
@@ -988,7 +988,7 @@ MDL::IntBone_MDL7** MDLImporter::LoadBones_3DGS_MDL7()
             AI_MDL7_BONE_STRUCT_SIZE__NAME_IS_32_CHARS  != pcHeader->bone_stc_size &&
             AI_MDL7_BONE_STRUCT_SIZE__NAME_IS_NOT_THERE != pcHeader->bone_stc_size)
         {
-            DefaultLogger::get()->warn("Unknown size of bone data structure");
+            ASSIMP_LOG_WARN("Unknown size of bone data structure");
             return NULL;
         }
 
@@ -1026,7 +1026,7 @@ void MDLImporter::ReadFaces_3DGS_MDL7(const MDL::IntGroupInfo_MDL7& groupInfo,
             if(iIndex > (unsigned int)groupInfo.pcGroup->numverts)  {
                 // (we might need to read this section a second time - to process frame vertices correctly)
                 pcGroupTris->v_index[c] = iIndex = groupInfo.pcGroup->numverts-1;
-                DefaultLogger::get()->warn("Index overflow in MDL7 vertex list");
+                ASSIMP_LOG_WARN("Index overflow in MDL7 vertex list");
             }
 
             // write the output face index
@@ -1071,7 +1071,7 @@ void MDLImporter::ReadFaces_3DGS_MDL7(const MDL::IntGroupInfo_MDL7& groupInfo,
                     iIndex = pcGroupTris->skinsets[0].st_index[c];
                     if(iIndex > (unsigned int)groupInfo.pcGroup->num_stpts) {
                         iIndex = groupInfo.pcGroup->num_stpts-1;
-                        DefaultLogger::get()->warn("Index overflow in MDL7 UV coordinate list (#1)");
+                        ASSIMP_LOG_WARN("Index overflow in MDL7 UV coordinate list (#1)");
                     }
 
                     float u = groupInfo.pcGroupUVs[iIndex].u;
@@ -1098,7 +1098,7 @@ void MDLImporter::ReadFaces_3DGS_MDL7(const MDL::IntGroupInfo_MDL7& groupInfo,
                     iIndex = pcGroupTris->skinsets[1].st_index[c];
                     if(iIndex > (unsigned int)groupInfo.pcGroup->num_stpts) {
                         iIndex = groupInfo.pcGroup->num_stpts-1;
-                        DefaultLogger::get()->warn("Index overflow in MDL7 UV coordinate list (#2)");
+                        ASSIMP_LOG_WARN("Index overflow in MDL7 UV coordinate list (#2)");
                     }
 
                     float u = groupInfo.pcGroupUVs[ iIndex ].u;
@@ -1153,7 +1153,7 @@ bool MDLImporter::ProcessFrames_3DGS_MDL7(const MDL::IntGroupInfo_MDL7& groupInf
             frame.pcFrame->transmatrix_count * pcHeader->bonetrans_stc_size;
 
         if (((const char*)szCurrent - (const char*)pcHeader) + iAdd > (unsigned int)pcHeader->data_size)    {
-            DefaultLogger::get()->warn("Index overflow in frame area. "
+            ASSIMP_LOG_WARN("Index overflow in frame area. "
                 "Ignoring all frames and all further mesh groups, too.");
 
             // don't parse more groups if we can't even read one
@@ -1171,7 +1171,7 @@ bool MDLImporter::ProcessFrames_3DGS_MDL7(const MDL::IntGroupInfo_MDL7& groupInf
                 uint16_t iIndex = _AI_MDL7_ACCESS(pcFrameVertices,qq,pcHeader->framevertex_stc_size,MDL::Vertex_MDL7).vertindex;
                 AI_SWAP2(iIndex);
                 if (iIndex >= groupInfo.pcGroup->numverts)  {
-                    DefaultLogger::get()->warn("Invalid vertex index in frame vertex section");
+                    ASSIMP_LOG_WARN("Invalid vertex index in frame vertex section");
                     continue;
                 }
 
@@ -1257,7 +1257,7 @@ void MDLImporter::SortByMaterials_3DGS_MDL7(
                 // sometimes MED writes -1, but normally only if there is only
                 // one skin assigned. No warning in this case
                 if(0xFFFFFFFF != groupData.pcFaces[iFace].iMatIndex[0])
-                    DefaultLogger::get()->warn("Index overflow in MDL7 material list [#0]");
+                    ASSIMP_LOG_WARN("Index overflow in MDL7 material list [#0]");
             }
             else splitGroupData.aiSplit[groupData.pcFaces[iFace].
                 iMatIndex[0]]->push_back(iFace);
@@ -1282,7 +1282,7 @@ void MDLImporter::SortByMaterials_3DGS_MDL7(
                 // sometimes MED writes -1, but normally only if there is only
                 // one skin assigned. No warning in this case
                 if(UINT_MAX != iMatIndex)
-                    DefaultLogger::get()->warn("Index overflow in MDL7 material list [#1]");
+                    ASSIMP_LOG_WARN("Index overflow in MDL7 material list [#1]");
                 iMatIndex = iNumMaterials-1;
             }
             unsigned int iMatIndex2 = groupData.pcFaces[iFace].iMatIndex[1];
@@ -1292,7 +1292,7 @@ void MDLImporter::SortByMaterials_3DGS_MDL7(
                 if (iMatIndex2 >= iNumMaterials)    {
                     // sometimes MED writes -1, but normally only if there is only
                     // one skin assigned. No warning in this case
-                    DefaultLogger::get()->warn("Index overflow in MDL7 material list [#2]");
+                    ASSIMP_LOG_WARN("Index overflow in MDL7 material list [#2]");
                     iMatIndex2 = iNumMaterials-1;
                 }
 
@@ -1414,7 +1414,7 @@ void MDLImporter::InternReadFile_3DGS_MDL7( )
 
         if (1 != groupInfo.pcGroup->typ)    {
             // Not a triangle-based mesh
-            DefaultLogger::get()->warn("[3DGS MDL7] Not a triangle mesh group. Continuing happily");
+            ASSIMP_LOG_WARN("[3DGS MDL7] Not a triangle mesh group. Continuing happily");
         }
 
         // store the name of the group
@@ -1516,7 +1516,7 @@ void MDLImporter::InternReadFile_3DGS_MDL7( )
                     sharedData.abNeedMaterials[qq] = true;
             }
         }
-        else DefaultLogger::get()->warn("[3DGS MDL7] Mesh group consists of 0 "
+        else ASSIMP_LOG_WARN("[3DGS MDL7] Mesh group consists of 0 "
             "vertices or faces. It will be skipped.");
 
         // process all frames and generate output meshes
@@ -1664,7 +1664,7 @@ void MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7(
             // read all transformation matrices
             for (unsigned int iTrafo = 0; iTrafo < frame.pcFrame->transmatrix_count;++iTrafo)   {
                 if(pcBoneTransforms->bone_index >= pcHeader->bones_num) {
-                    DefaultLogger::get()->warn("Index overflow in frame area. "
+                    ASSIMP_LOG_WARN("Index overflow in frame area. "
                         "Unable to parse this bone transformation");
                 }
                 else    {
@@ -1676,7 +1676,7 @@ void MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7(
             }
         }
         else    {
-            DefaultLogger::get()->warn("Ignoring animation keyframes in groups != 0");
+            ASSIMP_LOG_WARN("Ignoring animation keyframes in groups != 0");
         }
     }
 }
@@ -1894,7 +1894,7 @@ void MDLImporter::GenerateOutputMeshes_3DGS_MDL7(
                         unsigned int iBone = groupData.aiBones[ oldFace.mIndices[c] ];
                         if (UINT_MAX != iBone)  {
                             if (iBone >= iNumOutBones)  {
-                                DefaultLogger::get()->error("Bone index overflow. "
+                                ASSIMP_LOG_ERROR("Bone index overflow. "
                                     "The bone index of a vertex exceeds the allowed range. ");
                                 iBone = iNumOutBones-1;
                             }

code/MDLMaterialLoader.cpp

@@ -64,7 +64,7 @@ using namespace Assimp;
 static aiTexel* const bad_texel = reinterpret_cast<aiTexel*>(SIZE_MAX);
 
 // ------------------------------------------------------------------------------------------------
-// Find a suitable pallette file or take the default one
+// Find a suitable palette file or take the default one
 void MDLImporter::SearchPalette(const unsigned char** pszColorMap)
 {
     // now try to find the color map in the current directory
@@ -75,10 +75,11 @@ void MDLImporter::SearchPalette(const unsigned char** pszColorMap)
     {
         if (pcStream->FileSize() >= 768)
         {
-            unsigned char* colorMap = new unsigned char[256*3];
+            size_t len = 256 * 3;
+            unsigned char* colorMap = new unsigned char[len];
             szColorMap = colorMap;
-            pcStream->Read(colorMap,256*3,1);
-            DefaultLogger::get()->info("Found valid colormap.lmp in directory. "
+            pcStream->Read(colorMap, len,1);
+            ASSIMP_LOG_INFO("Found valid colormap.lmp in directory. "
                 "It will be used to decode embedded textures in palletized formats.");
         }
         delete pcStream;
@@ -186,7 +187,7 @@ void MDLImporter::CreateTexture_3DGS_MDL4(const unsigned char* szData,
 
     if (iType == 1 || iType > 3)
     {
-        DefaultLogger::get()->error("Unsupported texture file format");
+        ASSIMP_LOG_ERROR("Unsupported texture file format");
         return;
     }
 
@@ -508,7 +509,7 @@ void MDLImporter::ParseSkinLump_3DGS_MDL7(
         // ***** EMBEDDED DDS FILE *****
         if (1 != iHeight)
         {
-            DefaultLogger::get()->warn("Found a reference to an embedded DDS texture, "
+            ASSIMP_LOG_WARN("Found a reference to an embedded DDS texture, "
                 "but texture height is not equal to 1, which is not supported by MED");
         }
 
@@ -531,7 +532,7 @@ void MDLImporter::ParseSkinLump_3DGS_MDL7(
         // ***** REFERENCE TO EXTERNAL FILE *****
         if (1 != iHeight)
         {
-            DefaultLogger::get()->warn("Found a reference to an external texture, "
+            ASSIMP_LOG_WARN("Found a reference to an external texture, "
                 "but texture height is not equal to 1, which is not supported by MED");
         }
 
@@ -552,7 +553,7 @@ void MDLImporter::ParseSkinLump_3DGS_MDL7(
         pcNew.reset(new aiTexture());
         if (!iHeight || !iWidth)
         {
-            DefaultLogger::get()->warn("Found embedded texture, but its width "
+            ASSIMP_LOG_WARN("Found embedded texture, but its width "
                 "an height are both 0. Is this a joke?");
 
             // generate an empty chess pattern

code/MS3DLoader.cpp

@@ -142,7 +142,7 @@ void MS3DImporter :: ReadComments(StreamReaderLE& stream, std::vector<T>& outp)
         stream >> index >> clength;
 
         if(index >= outp.size()) {
-            DefaultLogger::get()->warn("MS3D: Invalid index in comment section");
+            ASSIMP_LOG_WARN("MS3D: Invalid index in comment section");
         }
         else if (clength > stream.GetRemainingSize()) {
             throw DeadlyImportError("MS3D: Failure reading comment, length field is out of range");
@@ -349,9 +349,6 @@ void MS3DImporter::InternReadFile( const std::string& pFile,
         stream.CopyAndAdvance(j.parentName,32);
         j.parentName[32] = '\0';
 
-    //  DefaultLogger::get()->debug(j.name);
-    //  DefaultLogger::get()->debug(j.parentName);
-
         ReadVector(stream,j.rotation);
         ReadVector(stream,j.position);
 
@@ -386,7 +383,7 @@ void MS3DImporter::InternReadFile( const std::string& pFile,
                 }
 
                 const std::string& s = std::string(reinterpret_cast<char*>(stream.GetPtr()),len);
-                DefaultLogger::get()->debug("MS3D: Model comment: " + s);
+                ASSIMP_LOG_DEBUG_F("MS3D: Model comment: ", s);
             }
 
             if(stream.GetRemainingSize() > 4 && inrange((stream >> subversion,subversion),1u,3u)) {
@@ -408,7 +405,7 @@ void MS3DImporter::InternReadFile( const std::string& pFile,
     // 2 ------------ convert to proper aiXX data structures -----------------------------------
 
     if (need_default && materials.size()) {
-        DefaultLogger::get()->warn("MS3D: Found group with no material assigned, spawning default material");
+        ASSIMP_LOG_WARN("MS3D: Found group with no material assigned, spawning default material");
         // if one of the groups has no material assigned, but there are other
         // groups with materials, a default material needs to be added (
         // scenepreprocessor adds a default material only if nummat==0).

code/MakeVerboseFormat.cpp

@@ -65,7 +65,7 @@ MakeVerboseFormatProcess::~MakeVerboseFormatProcess()
 void MakeVerboseFormatProcess::Execute( aiScene* pScene)
 {
     ai_assert(NULL != pScene);
-    DefaultLogger::get()->debug("MakeVerboseFormatProcess begin");
+    ASSIMP_LOG_DEBUG("MakeVerboseFormatProcess begin");
 
     bool bHas = false;
     for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
@@ -73,12 +73,15 @@ void MakeVerboseFormatProcess::Execute( aiScene* pScene)
         if( MakeVerboseFormat( pScene->mMeshes[a]))
             bHas = true;
     }
-    if (bHas) DefaultLogger::get()->info("MakeVerboseFormatProcess finished. There was much work to do ...");
-    else DefaultLogger::get()->debug("MakeVerboseFormatProcess. There was nothing to do.");
+    if (bHas) {
+        ASSIMP_LOG_INFO("MakeVerboseFormatProcess finished. There was much work to do ...");
+    } else {
+        ASSIMP_LOG_DEBUG("MakeVerboseFormatProcess. There was nothing to do.");
+    }
 
     pScene->mFlags &= ~AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
-
 }
+
 // ------------------------------------------------------------------------------------------------
 // Executes the post processing step on the given imported data.
 bool MakeVerboseFormatProcess::MakeVerboseFormat(aiMesh* pcMesh)

code/MaterialSystem.cpp

@@ -160,7 +160,7 @@ aiReturn aiGetMaterialFloatArray(const aiMaterial* pMat,
                 break;
             }
             if ( !IsSpace(*cur) ) {
-                DefaultLogger::get()->error("Material property" + std::string(pKey) +
+                ASSIMP_LOG_ERROR("Material property" + std::string(pKey) +
                     " is a string; failed to parse a float array out of it.");
                 return AI_FAILURE;
             }
@@ -233,7 +233,7 @@ aiReturn aiGetMaterialIntegerArray(const aiMaterial* pMat,
                 break;
             }
             if(!IsSpace(*cur)) {
-                DefaultLogger::get()->error("Material property" + std::string(pKey) +
+                ASSIMP_LOG_ERROR("Material property" + std::string(pKey) +
                     " is a string; failed to parse an integer array out of it.");
                 return AI_FAILURE;
             }
@@ -305,7 +305,7 @@ aiReturn aiGetMaterialString(const aiMaterial* pMat,
     }
     else {
         // TODO - implement lexical cast as well
-        DefaultLogger::get()->error("Material property" + std::string(pKey) +
+        ASSIMP_LOG_ERROR("Material property" + std::string(pKey) +
             " was found, but is no string" );
         return AI_FAILURE;
     }

code/NDOLoader.cpp

@@ -130,18 +130,18 @@ void NDOImporter::InternReadFile( const std::string& pFile,
     unsigned int file_format = 12;
     if (!strncmp("1.0",head+6,3)) {
         file_format = 10;
-        DefaultLogger::get()->info("NDO file format is 1.0");
+        ASSIMP_LOG_INFO("NDO file format is 1.0");
     }
     else if (!strncmp("1.1",head+6,3)) {
         file_format = 11;
-        DefaultLogger::get()->info("NDO file format is 1.1");
+        ASSIMP_LOG_INFO("NDO file format is 1.1");
     }
     else if (!strncmp("1.2",head+6,3)) {
         file_format = 12;
-        DefaultLogger::get()->info("NDO file format is 1.2");
+        ASSIMP_LOG_INFO("NDO file format is 1.2");
     }
     else {
-        DefaultLogger::get()->warn(std::string("Unrecognized nendo file format version, continuing happily ... :") + (head+6));
+        ASSIMP_LOG_WARN_F( "Unrecognized nendo file format version, continuing happily ... :", (head+6));
     }
 
     reader.IncPtr(2); /* skip flags */

code/NFFLoader.cpp

@@ -125,14 +125,14 @@ const aiImporterDesc* NFFImporter::GetInfo () const
     do \
     { \
     if (!GetNextLine(buffer,line)) \
-        {DefaultLogger::get()->warn("NFF2: Unexpected EOF, can't read next token");break;} \
+        {ASSIMP_LOG_WARN("NFF2: Unexpected EOF, can't read next token");break;} \
     SkipSpaces(line,&sz); \
     } \
     while(IsLineEnd(*sz))
 
 
 // ------------------------------------------------------------------------------------------------
-// Loads the materail table for the NFF2 file format from an external file
+// Loads the material table for the NFF2 file format from an external file
 void NFFImporter::LoadNFF2MaterialTable(std::vector<ShadingInfo>& output,
     const std::string& path, IOSystem* pIOHandler)
 {
@@ -140,7 +140,7 @@ void NFFImporter::LoadNFF2MaterialTable(std::vector<ShadingInfo>& output,
 
     // Check whether we can read from the file
     if( !file.get())    {
-        DefaultLogger::get()->error("NFF2: Unable to open material library " + path + ".");
+        ASSIMP_LOG_ERROR("NFF2: Unable to open material library " + path + ".");
         return;
     }
 
@@ -158,7 +158,7 @@ void NFFImporter::LoadNFF2MaterialTable(std::vector<ShadingInfo>& output,
 
     // The file should start with the magic sequence "mat"
     if (!TokenMatch(buffer,"mat",3))    {
-        DefaultLogger::get()->error("NFF2: Not a valid material library " + path + ".");
+        ASSIMP_LOG_ERROR_F("NFF2: Not a valid material library ", path, ".");
         return;
     }
 
@@ -174,7 +174,7 @@ void NFFImporter::LoadNFF2MaterialTable(std::vector<ShadingInfo>& output,
         // 'version' defines the version of the file format
         if (TokenMatch(sz,"version",7))
         {
-            DefaultLogger::get()->info("NFF (Sense8) material library file format: " + std::string(sz));
+            ASSIMP_LOG_INFO_F("NFF (Sense8) material library file format: ", std::string(sz));
         }
         // 'matdef' starts a new material in the file
         else if (TokenMatch(sz,"matdef",6))
@@ -192,8 +192,7 @@ void NFFImporter::LoadNFF2MaterialTable(std::vector<ShadingInfo>& output,
             {
                 if (!curShader)
                 {
-                    DefaultLogger::get()->error(std::string("NFF2 material library: Found element ") +
-                        sz + "but there is no active material");
+                    ASSIMP_LOG_ERROR_F("NFF2 material library: Found element ", sz, "but there is no active material");
                     continue;
                 }
             }
@@ -308,7 +307,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
             SkipSpaces(line,&sz);
             if (TokenMatch(sz,"version",7))
             {
-                DefaultLogger::get()->info("NFF (Sense8) file format: " + std::string(sz));
+                ASSIMP_LOG_INFO_F("NFF (Sense8) file format: ", sz );
             }
             else if (TokenMatch(sz,"viewpos",7))
             {
@@ -346,7 +345,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
                         sz3 = sz;
                         while (!IsSpaceOrNewLine(*sz))++sz;
                         const unsigned int diff = (unsigned int)(sz-sz3);
-                        if (!diff)DefaultLogger::get()->warn("NFF2: Found empty mtable token");
+                        if (!diff)ASSIMP_LOG_WARN("NFF2: Found empty mtable token");
                         else
                         {
                             // The material table has the file extension .mat.
@@ -471,7 +470,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
                             unsigned int m = ::strtoul10(sz,&sz);
                             if (m >= (unsigned int)tempPositions.size())
                             {
-                                DefaultLogger::get()->error("NFF2: Vertex index overflow");
+                                ASSIMP_LOG_ERROR("NFF2: Vertex index overflow");
                                 m= 0;
                             }
                             // mesh.vertices.push_back (tempPositions[idx]);
@@ -551,11 +550,11 @@ void NFFImporter::InternReadFile( const std::string& pFile,
                             case 'u':
                             case 'U':
 
-                                DefaultLogger::get()->warn("Unsupported NFF2 texture attribute: trans");
+                                ASSIMP_LOG_WARN("Unsupported NFF2 texture attribute: trans");
                             };
                             if (!sz[1] || '_' != sz[2])
                             {
-                                DefaultLogger::get()->warn("NFF2: Expected underscore after texture attributes");
+                                ASSIMP_LOG_WARN("NFF2: Expected underscore after texture attributes");
                                 continue;
                             }
                             const char* sz2 = sz+3;
@@ -577,7 +576,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
                             matIdx = ::strtoul10(sz,&sz);
                             if (matIdx >= materialTable.size())
                             {
-                                DefaultLogger::get()->error("NFF2: Material index overflow.");
+                                ASSIMP_LOG_ERROR("NFF2: Material index overflow.");
                                 matIdx = 0;
                             }
 
@@ -750,7 +749,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
                 {
                     if(!GetNextLine(buffer,line))
                     {
-                        DefaultLogger::get()->error("NFF: Unexpected EOF was encountered. Patch definition incomplete");
+                        ASSIMP_LOG_ERROR("NFF: Unexpected EOF was encountered. Patch definition incomplete");
                         continue;
                     }
 
@@ -943,7 +942,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
 
                 if(!GetNextLine(buffer,line))
                 {
-                    DefaultLogger::get()->error("NFF: Unexpected end of file (cone definition not complete)");
+                    ASSIMP_LOG_ERROR("NFF: Unexpected end of file (cone definition not complete)");
                     break;
                 }
                 sz = line;
@@ -955,7 +954,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
 
                 if(!GetNextLine(buffer,line))
                 {
-                    DefaultLogger::get()->error("NFF: Unexpected end of file (cone definition not complete)");
+                    ASSIMP_LOG_ERROR("NFF: Unexpected end of file (cone definition not complete)");
                     break;
                 }
                 sz = line;
@@ -971,7 +970,7 @@ void NFFImporter::InternReadFile( const std::string& pFile,
                 float f;
                 if (( f = currentMesh.dir.Length()) < 10e-3f )
                 {
-                    DefaultLogger::get()->error("NFF: Cone height is close to zero");
+                    ASSIMP_LOG_ERROR("NFF: Cone height is close to zero");
                     continue;
                 }
                 currentMesh.dir /= f; // normalize
@@ -1029,18 +1028,20 @@ void NFFImporter::InternReadFile( const std::string& pFile,
             // 'pb' - bezier patch. Not supported yet
             else if (TokenMatch(sz,"pb",2))
             {
-                DefaultLogger::get()->error("NFF: Encountered unsupported ID: bezier patch");
+                ASSIMP_LOG_ERROR("NFF: Encountered unsupported ID: bezier patch");
             }
             // 'pn' - NURBS. Not supported yet
             else if (TokenMatch(sz,"pn",2) || TokenMatch(sz,"pnn",3))
             {
-                DefaultLogger::get()->error("NFF: Encountered unsupported ID: NURBS");
+                ASSIMP_LOG_ERROR("NFF: Encountered unsupported ID: NURBS");
             }
             // '' - comment
             else if ('#' == line[0])
             {
                 const char* sz;SkipSpaces(&line[1],&sz);
-                if (!IsLineEnd(*sz))DefaultLogger::get()->info(sz);
+                if (!IsLineEnd(*sz)) {
+                    ASSIMP_LOG_INFO(sz);
+                }
             }
         }
     }

code/OFFLoader.cpp

@@ -157,7 +157,7 @@ void OFFImporter::InternReadFile( const std::string& pFile,
     {
         if(!GetNextLine(buffer,line))
         {
-            DefaultLogger::get()->error("OFF: The number of verts in the header is incorrect");
+            ASSIMP_LOG_ERROR("OFF: The number of verts in the header is incorrect");
             break;
         }
         aiVector3D& v = tempPositions[i];
@@ -175,14 +175,14 @@ void OFFImporter::InternReadFile( const std::string& pFile,
     {
         if(!GetNextLine(buffer,line))
         {
-            DefaultLogger::get()->error("OFF: The number of faces in the header is incorrect");
+            ASSIMP_LOG_ERROR("OFF: The number of faces in the header is incorrect");
             break;
         }
         sz = line;SkipSpaces(&sz);
         faces->mNumIndices = strtoul10(sz,&sz);
         if(!(faces->mNumIndices) || faces->mNumIndices > 9)
         {
-            DefaultLogger::get()->error("OFF: Faces with zero indices aren't allowed");
+            ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed");
             --mesh->mNumFaces;
             continue;
         }
@@ -217,7 +217,7 @@ void OFFImporter::InternReadFile( const std::string& pFile,
             idx = strtoul10(sz,&sz);
             if ((idx) >= numVertices)
             {
-                DefaultLogger::get()->error("OFF: Vertex index is out of range");
+                ASSIMP_LOG_ERROR("OFF: Vertex index is out of range");
                 idx = numVertices-1;
             }
             faces->mIndices[m] = p++;

code/ObjFileImporter.cpp

@@ -557,7 +557,7 @@ void ObjFileImporter::createMaterials(const ObjFile::Model* pModel, aiScene* pSc
     const unsigned int numMaterials = (unsigned int) pModel->m_MaterialLib.size();
     pScene->mNumMaterials = 0;
     if ( pModel->m_MaterialLib.empty() ) {
-        DefaultLogger::get()->debug("OBJ: no materials specified");
+        ASSIMP_LOG_DEBUG("OBJ: no materials specified");
         return;
     }
 
@@ -591,7 +591,7 @@ void ObjFileImporter::createMaterials(const ObjFile::Model* pModel, aiScene* pSc
             break;
         default:
             sm = aiShadingMode_Gouraud;
-            DefaultLogger::get()->error("OBJ: unexpected illumination model (0-2 recognized)");
+            ASSIMP_LOG_ERROR("OBJ: unexpected illumination model (0-2 recognized)");
         }
 
         mat->AddProperty<int>( &sm, 1, AI_MATKEY_SHADING_MODEL);

code/ObjFileMtlImporter.cpp

@@ -366,7 +366,7 @@ void ObjFileMtlImporter::getTexture() {
         out = & m_pModel->m_pCurrentMaterial->textureSpecularity;
         clampIndex = ObjFile::Material::TextureSpecularityType;
     } else {
-        DefaultLogger::get()->error("OBJ/MTL: Encountered unknown texture type");
+        ASSIMP_LOG_ERROR("OBJ/MTL: Encountered unknown texture type");
         return;
     }
 

code/ObjFileParser.cpp

@@ -426,7 +426,7 @@ void ObjFileParser::getFace( aiPrimitiveType type ) {
 
         if ( *m_DataIt =='/' ) {
             if (type == aiPrimitiveType_POINT) {
-                DefaultLogger::get()->error("Obj: Separator unexpected in point statement");
+                ASSIMP_LOG_ERROR("Obj: Separator unexpected in point statement");
             }
             if (iPos == 0) {
                 //if there are no texture coordinates in the file, but normals
@@ -486,7 +486,7 @@ void ObjFileParser::getFace( aiPrimitiveType type ) {
     }
 
     if ( face->m_vertices.empty() ) {
-        DefaultLogger::get()->error("Obj: Ignoring empty face");
+        ASSIMP_LOG_ERROR("Obj: Ignoring empty face");
         // skip line and clean up
         m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
         delete face;
@@ -556,7 +556,7 @@ void ObjFileParser::getMaterialDesc() {
 			// This may be the case if the material library is missing. We don't want to lose all
 			// materials if that happens, so create a new named material instead of discarding it
 			// completely.
-			DefaultLogger::get()->error("OBJ: failed to locate material " + strName + ", creating new material");
+            ASSIMP_LOG_ERROR("OBJ: failed to locate material " + strName + ", creating new material");
 			m_pModel->m_pCurrentMaterial = new ObjFile::Material();
 			m_pModel->m_pCurrentMaterial->MaterialName.Set(strName);
 			m_pModel->m_MaterialLib.push_back(strName);
@@ -603,7 +603,7 @@ void ObjFileParser::getMaterialLib() {
 
 	// Check if directive is valid.
     if ( 0 == strMatName.length() ) {
-        DefaultLogger::get()->warn( "OBJ: no name for material library specified." );
+        ASSIMP_LOG_WARN( "OBJ: no name for material library specified." );
         return;
     }
 
@@ -620,12 +620,12 @@ void ObjFileParser::getMaterialLib() {
 
     IOStream *pFile = m_pIO->Open( absName );
     if ( nullptr == pFile ) {
-        DefaultLogger::get()->error("OBJ: Unable to locate material file " + strMatName);
+        ASSIMP_LOG_ERROR("OBJ: Unable to locate material file " + strMatName);
         std::string strMatFallbackName = m_originalObjFileName.substr(0, m_originalObjFileName.length() - 3) + "mtl";
-        DefaultLogger::get()->info("OBJ: Opening fallback material file " + strMatFallbackName);
+        ASSIMP_LOG_INFO("OBJ: Opening fallback material file " + strMatFallbackName);
         pFile = m_pIO->Open(strMatFallbackName);
         if (!pFile) {
-            DefaultLogger::get()->error("OBJ: Unable to locate fallback material file " + strMatFallbackName);
+            ASSIMP_LOG_ERROR("OBJ: Unable to locate fallback material file " + strMatFallbackName);
             m_DataIt = skipLine<DataArrayIt>(m_DataIt, m_DataItEnd, m_uiLine);
             return;
         }
@@ -660,7 +660,7 @@ void ObjFileParser::getNewMaterial() {
     std::map<std::string, ObjFile::Material*>::iterator it = m_pModel->m_MaterialMap.find( strMat );
     if ( it == m_pModel->m_MaterialMap.end() ) {
         // Show a warning, if material was not found
-        DefaultLogger::get()->warn("OBJ: Unsupported material requested: " + strMat);
+        ASSIMP_LOG_WARN("OBJ: Unsupported material requested: " + strMat);
         m_pModel->m_pCurrentMaterial = m_pModel->m_pDefaultMaterial;
     } else {
         // Set new material
@@ -817,7 +817,7 @@ void ObjFileParser::createMesh( const std::string &meshName )
     }
     else
     {
-        DefaultLogger::get()->error("OBJ: No object detected to attach a new mesh instance.");
+        ASSIMP_LOG_ERROR("OBJ: No object detected to attach a new mesh instance.");
     }
 }
 
@@ -851,7 +851,7 @@ bool ObjFileParser::needsNewMesh( const std::string &materialName )
 void ObjFileParser::reportErrorTokenInFace()
 {
     m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
-    DefaultLogger::get()->error("OBJ: Not supported token in face description detected");
+    ASSIMP_LOG_ERROR("OBJ: Not supported token in face description detected");
 }
 
 // -------------------------------------------------------------------

code/OgreBinarySerializer.cpp

@@ -176,7 +176,7 @@ uint16_t OgreBinarySerializer::ReadHeader(bool readLen)
 #if (OGRE_BINARY_SERIALIZER_DEBUG == 1)
     if (id != HEADER_CHUNK_ID)
     {
-        DefaultLogger::get()->debug(Formatter::format() << (assetMode == AM_Mesh
+        ASSIMP_LOG_DEBUG(Formatter::format() << (assetMode == AM_Mesh
             ? MeshHeaderToString(static_cast<MeshChunkId>(id)) : SkeletonHeaderToString(static_cast<SkeletonChunkId>(id))));
     }
 #endif
@@ -192,7 +192,7 @@ void OgreBinarySerializer::RollbackHeader()
 void OgreBinarySerializer::SkipBytes(size_t numBytes)
 {
 #if (OGRE_BINARY_SERIALIZER_DEBUG == 1)
-    DefaultLogger::get()->debug(Formatter::format() << "Skipping " << numBytes << " bytes");
+    ASSIMP_LOG_DEBUG_F( "Skipping ", numBytes, " bytes");
 #endif
 
     m_reader->IncPtr(numBytes);
@@ -237,8 +237,8 @@ void OgreBinarySerializer::ReadMesh(Mesh *mesh)
 {
     mesh->hasSkeletalAnimations = Read<bool>();
 
-    DefaultLogger::get()->debug("Reading Mesh");
-    DefaultLogger::get()->debug(Formatter::format() << "  - Skeletal animations: " << (mesh->hasSkeletalAnimations ? "true" : "false"));
+    ASSIMP_LOG_DEBUG("Reading Mesh");
+    ASSIMP_LOG_DEBUG_F( "  - Skeletal animations: ", mesh->hasSkeletalAnimations ? "true" : "false" );
 
     if (!AtEnd())
     {
@@ -420,9 +420,9 @@ void OgreBinarySerializer::ReadSubMesh(Mesh *mesh)
     submesh->indexData->faceCount = static_cast<uint32_t>(submesh->indexData->count / 3);
     submesh->indexData->is32bit = Read<bool>();
 
-    DefaultLogger::get()->debug(Formatter::format() << "Reading SubMesh " << mesh->subMeshes.size());
-    DefaultLogger::get()->debug(Formatter::format() << "  - Material: '" << submesh->materialRef << "'");
-    DefaultLogger::get()->debug(Formatter::format() << "  - Uses shared geometry: " << (submesh->usesSharedVertexData ? "true" : "false"));
+    ASSIMP_LOG_DEBUG_F( "Reading SubMesh ", mesh->subMeshes.size());
+    ASSIMP_LOG_DEBUG_F( "  - Material: '", submesh->materialRef, "'");
+    ASSIMP_LOG_DEBUG_F( "  - Uses shared geometry: ", submesh->usesSharedVertexData ? "true" : "false" );
 
     // Index buffer
     if (submesh->indexData->count > 0)
@@ -431,9 +431,9 @@ void OgreBinarySerializer::ReadSubMesh(Mesh *mesh)
         uint8_t *indexBuffer = ReadBytes(numBytes);
         submesh->indexData->buffer = MemoryStreamPtr(new Assimp::MemoryIOStream(indexBuffer, numBytes, true));
 
-        DefaultLogger::get()->debug(Formatter::format() << "  - " << submesh->indexData->faceCount
-            << " faces from " << submesh->indexData->count << (submesh->indexData->is32bit ? " 32bit" : " 16bit")
-            << " indexes of " << numBytes << " bytes");
+        ASSIMP_LOG_DEBUG_F( "  - ", submesh->indexData->faceCount,
+            " faces from ", submesh->indexData->count, (submesh->indexData->is32bit ? " 32bit" : " 16bit"),
+            " indexes of ", numBytes, " bytes");
     }
 
     // Vertex buffer if not referencing the shared geometry
@@ -549,7 +549,7 @@ void OgreBinarySerializer::ReadSubMeshNames(Mesh *mesh)
             }
 
             submesh->name = ReadLine();
-            DefaultLogger::get()->debug(Formatter::format() << "  - SubMesh " << submesh->index << " name '" << submesh->name << "'");
+            ASSIMP_LOG_DEBUG_F( "  - SubMesh ", submesh->index, " name '", submesh->name, "'");
 
             if (!AtEnd())
                 id = ReadHeader();
@@ -563,7 +563,7 @@ void OgreBinarySerializer::ReadGeometry(VertexData *dest)
 {
     dest->count = Read<uint32_t>();
 
-    DefaultLogger::get()->debug(Formatter::format() << "  - Reading geometry of " << dest->count << " vertices");
+    ASSIMP_LOG_DEBUG_F( "  - Reading geometry of ", dest->count, " vertices");
 
     if (!AtEnd())
     {
@@ -620,8 +620,8 @@ void OgreBinarySerializer::ReadGeometryVertexElement(VertexData *dest)
     element.offset = Read<uint16_t>();
     element.index = Read<uint16_t>();
 
-    DefaultLogger::get()->debug(Formatter::format() << "    - Vertex element " << element.SemanticToString() << " of type "
-        << element.TypeToString() << " index=" << element.index << " source=" << element.source);
+    ASSIMP_LOG_DEBUG_F( "    - Vertex element ", element.SemanticToString(), " of type ",
+        element.TypeToString(), " index=", element.index, " source=", element.source);
 
     dest->vertexElements.push_back(element);
 }
@@ -642,7 +642,7 @@ void OgreBinarySerializer::ReadGeometryVertexBuffer(VertexData *dest)
     uint8_t *vertexBuffer = ReadBytes(numBytes);
     dest->vertexBindings[bindIndex] = MemoryStreamPtr(new Assimp::MemoryIOStream(vertexBuffer, numBytes, true));
 
-    DefaultLogger::get()->debug(Formatter::format() << "    - Read vertex buffer for source " << bindIndex << " of " << numBytes << " bytes");
+    ASSIMP_LOG_DEBUG_F( "    - Read vertex buffer for source ", bindIndex, " of ", numBytes, " bytes");
 }
 
 void OgreBinarySerializer::ReadEdgeList(Mesh * /*mesh*/)
@@ -892,13 +892,13 @@ MemoryStreamReaderPtr OgreBinarySerializer::OpenReader(Assimp::IOSystem *pIOHand
 {
     if (!EndsWith(filename, ".skeleton", false))
     {
-        DefaultLogger::get()->error("Imported Mesh is referencing to unsupported '" + filename + "' skeleton file.");
+        ASSIMP_LOG_ERROR_F("Imported Mesh is referencing to unsupported '", filename, "' skeleton file.");
         return MemoryStreamReaderPtr();
     }
 
     if (!pIOHandler->Exists(filename))
     {
-        DefaultLogger::get()->error("Failed to find skeleton file '" + filename + "' that is referenced by imported Mesh.");
+        ASSIMP_LOG_ERROR_F("Failed to find skeleton file '", filename, "' that is referenced by imported Mesh.");
         return MemoryStreamReaderPtr();
     }
 
@@ -925,7 +925,7 @@ void OgreBinarySerializer::ReadSkeleton(Skeleton *skeleton)
             << " Supported versions: " << SKELETON_VERSION_1_8 << " and " << SKELETON_VERSION_1_1);
     }
 
-    DefaultLogger::get()->debug("Reading Skeleton");
+    ASSIMP_LOG_DEBUG("Reading Skeleton");
 
     bool firstBone = true;
     bool firstAnim = true;
@@ -944,7 +944,7 @@ void OgreBinarySerializer::ReadSkeleton(Skeleton *skeleton)
             {
                 if (firstBone)
                 {
-                    DefaultLogger::get()->debug("  - Bones");
+                    ASSIMP_LOG_DEBUG("  - Bones");
                     firstBone = false;
                 }
 
@@ -960,7 +960,7 @@ void OgreBinarySerializer::ReadSkeleton(Skeleton *skeleton)
             {
                 if (firstAnim)
                 {
-                    DefaultLogger::get()->debug("  - Animations");
+                    ASSIMP_LOG_DEBUG("  - Animations");
                     firstAnim = false;
                 }
 
@@ -1003,7 +1003,7 @@ void OgreBinarySerializer::ReadBone(Skeleton *skeleton)
         throw DeadlyImportError(Formatter::format() << "Ogre Skeleton bone indexes not contiguous. Error at bone index " << bone->id);
     }
 
-    DefaultLogger::get()->debug(Formatter::format() << "    " << bone->id << " " << bone->name);
+    ASSIMP_LOG_DEBUG_F( "    ", bone->id, " ", bone->name);
 
     skeleton->bones.push_back(bone);
 }
@@ -1053,7 +1053,7 @@ void OgreBinarySerializer::ReadSkeletonAnimation(Skeleton *skeleton)
 
     skeleton->animations.push_back(anim);
 
-    DefaultLogger::get()->debug(Formatter::format() << "    " << anim->name << " (" << anim->length << " sec, " << anim->tracks.size() << " tracks)");
+    ASSIMP_LOG_DEBUG_F( "    ", anim->name, " (", anim->length, " sec, ", anim->tracks.size(), " tracks)");
 }
 
 void OgreBinarySerializer::ReadSkeletonAnimationTrack(Skeleton * /*skeleton*/, Animation *dest)

code/OgreMaterial.cpp

@@ -175,18 +175,18 @@ aiMaterial* OgreImporter::ReadMaterial(const std::string &pFile, Assimp::IOSyste
             if (materialFile) {
                 break;
             }
-            DefaultLogger::get()->debug(Formatter::format() << "Source file for material '" << materialName << "' " << potentialFiles[i] << " does not exist");
+            ASSIMP_LOG_DEBUG_F( "Source file for material '", materialName, "' ", potentialFiles[i], " does not exist");
         }
         if (!materialFile)
         {
-            DefaultLogger::get()->error(Formatter::format() << "Failed to find source file for material '" << materialName << "'");
+            ASSIMP_LOG_ERROR_F( "Failed to find source file for material '", materialName, "'");
             return 0;
         }
 
         std::unique_ptr<IOStream> stream(materialFile);
         if (stream->FileSize() == 0)
         {
-            DefaultLogger::get()->warn(Formatter::format() << "Source file for material '" << materialName << "' is empty (size is 0 bytes)");
+            ASSIMP_LOG_WARN_F( "Source file for material '", materialName, "' is empty (size is 0 bytes)");
             return 0;
         }
 
@@ -201,7 +201,7 @@ aiMaterial* OgreImporter::ReadMaterial(const std::string &pFile, Assimp::IOSyste
         ss << &data[0];
     }
 
-    DefaultLogger::get()->debug("Reading material '" + materialName + "'");
+    ASSIMP_LOG_DEBUG_F("Reading material '", materialName, "'");
 
     aiMaterial *material = new aiMaterial();
     m_textures.clear();
@@ -234,7 +234,6 @@ aiMaterial* OgreImporter::ReadMaterial(const std::string &pFile, Assimp::IOSyste
         ss >> linePart;
         if (linePart != materialName)
         {
-            //DefaultLogger::get()->debug(Formatter::format() << "Found material '" << linePart << "' that does not match at index " << ss.tellg());
             ss >> linePart;
             continue;
         }
@@ -242,11 +241,11 @@ aiMaterial* OgreImporter::ReadMaterial(const std::string &pFile, Assimp::IOSyste
         NextAfterNewLine(ss, linePart);
         if (linePart != partBlockStart)
         {
-            DefaultLogger::get()->error(Formatter::format() << "Invalid material: block start missing near index " << ss.tellg());
+            ASSIMP_LOG_ERROR_F( "Invalid material: block start missing near index ", ss.tellg());
             return material;
         }
 
-        DefaultLogger::get()->debug("material '" + materialName + "'");
+        ASSIMP_LOG_DEBUG_F("material '", materialName, "'");
 
         while(linePart != partBlockEnd)
         {
@@ -350,11 +349,11 @@ bool OgreImporter::ReadTechnique(const std::string &techniqueName, stringstream
 
     if (linePart != partBlockStart)
     {
-        DefaultLogger::get()->error(Formatter::format() << "Invalid material: Technique block start missing near index " << ss.tellg());
+        ASSIMP_LOG_ERROR_F( "Invalid material: Technique block start missing near index ", ss.tellg());
         return false;
     }
 
-    DefaultLogger::get()->debug(" technique '" + techniqueName + "'");
+    ASSIMP_LOG_DEBUG_F(" technique '", techniqueName, "'");
 
     const string partPass  = "pass";
 
@@ -386,11 +385,11 @@ bool OgreImporter::ReadPass(const std::string &passName, stringstream &ss, aiMat
 
     if (linePart != partBlockStart)
     {
-        DefaultLogger::get()->error(Formatter::format() << "Invalid material: Pass block start missing near index " << ss.tellg());
+        ASSIMP_LOG_ERROR_F( "Invalid material: Pass block start missing near index ", ss.tellg());
         return false;
     }
 
-    DefaultLogger::get()->debug("  pass '" + passName + "'");
+    ASSIMP_LOG_DEBUG_F("  pass '", passName, "'");
 
     const string partAmbient     = "ambient";
     const string partDiffuse     = "diffuse";
@@ -417,7 +416,7 @@ bool OgreImporter::ReadPass(const std::string &passName, stringstream &ss, aiMat
             ss >> r >> g >> b;
             const aiColor3D color(r, g, b);
 
-            DefaultLogger::get()->debug(Formatter::format() << "   " << linePart << " " << r << " " << g << " " << b);
+            ASSIMP_LOG_DEBUG_F( "   ", linePart, " ", r, " ", g, " ", b);
 
             if (linePart == partAmbient)
             {
@@ -452,11 +451,11 @@ bool OgreImporter::ReadTextureUnit(const std::string &textureUnitName, stringstr
 
     if (linePart != partBlockStart)
     {
-        DefaultLogger::get()->error(Formatter::format() << "Invalid material: Texture unit block start missing near index " << ss.tellg());
+        ASSIMP_LOG_ERROR_F( "Invalid material: Texture unit block start missing near index ", ss.tellg());
         return false;
     }
 
-    DefaultLogger::get()->debug("   texture_unit '" + textureUnitName + "'");
+    ASSIMP_LOG_DEBUG_F("   texture_unit '", textureUnitName, "'");
 
     const string partTexture      = "texture";
     const string partTextCoordSet = "tex_coord_set";
@@ -491,7 +490,7 @@ bool OgreImporter::ReadTextureUnit(const std::string &textureUnitName, stringstr
                 if (posSuffix != string::npos && posUnderscore != string::npos && posSuffix > posUnderscore)
                 {
                     string identifier = Ogre::ToLower(textureRef.substr(posUnderscore, posSuffix - posUnderscore));
-                    DefaultLogger::get()->debug(Formatter::format() << "Detecting texture type from filename postfix '" << identifier << "'");
+                    ASSIMP_LOG_DEBUG_F( "Detecting texture type from filename postfix '", identifier, "'");
 
                     if (identifier == "_n" || identifier == "_nrm" || identifier == "_nrml" || identifier == "_normal" || identifier == "_normals" || identifier == "_normalmap")
                     {
@@ -569,20 +568,20 @@ bool OgreImporter::ReadTextureUnit(const std::string &textureUnitName, stringstr
 
     if (textureRef.empty())
     {
-        DefaultLogger::get()->warn("Texture reference is empty, ignoring texture_unit.");
+        ASSIMP_LOG_WARN("Texture reference is empty, ignoring texture_unit.");
         return false;
     }
     if (textureType == aiTextureType_NONE)
     {
-        DefaultLogger::get()->warn("Failed to detect texture type for '" + textureRef  + "', ignoring texture_unit.");
+        ASSIMP_LOG_WARN("Failed to detect texture type for '" + textureRef  + "', ignoring texture_unit.");
         return false;
     }
 
     unsigned int textureTypeIndex = m_textures[textureType];
     m_textures[textureType]++;
 
-    DefaultLogger::get()->debug(Formatter::format() << "    texture '" << textureRef << "' type " << textureType
-        << " index " << textureTypeIndex << " UV " << uvCoord);
+    ASSIMP_LOG_DEBUG_F( "    texture '", textureRef, "' type ", textureType,
+        " index ", textureTypeIndex, " UV ", uvCoord);
 
     aiString assimpTextureRef(textureRef);
     material->AddProperty(&assimpTextureRef, AI_MATKEY_TEXTURE(textureType, textureTypeIndex));

code/OgreStructs.cpp

@@ -611,7 +611,7 @@ aiMesh *SubMesh::ConvertToAssimpMesh(Mesh *parent)
         }
         else
         {
-            DefaultLogger::get()->warn(Formatter::format() << "Ogre imported UV0 type " << uv1Element->TypeToString() << " is not compatible with Assimp. Ignoring UV.");
+            ASSIMP_LOG_WARN(Formatter::format() << "Ogre imported UV0 type " << uv1Element->TypeToString() << " is not compatible with Assimp. Ignoring UV.");
             uv1 = 0;
         }
     }
@@ -624,7 +624,7 @@ aiMesh *SubMesh::ConvertToAssimpMesh(Mesh *parent)
         }
         else
         {
-            DefaultLogger::get()->warn(Formatter::format() << "Ogre imported UV0 type " << uv2Element->TypeToString() << " is not compatible with Assimp. Ignoring UV.");
+            ASSIMP_LOG_WARN(Formatter::format() << "Ogre imported UV0 type " << uv2Element->TypeToString() << " is not compatible with Assimp. Ignoring UV.");
             uv2 = 0;
         }
     }

code/OgreXmlSerializer.cpp

@@ -190,7 +190,7 @@ std::string &OgreXmlSerializer::NextNode()
 
     CurrentNodeName(true);
 #if (OGRE_XML_SERIALIZER_DEBUG == 1)
-    DefaultLogger::get()->debug("<" + m_currentNodeName + ">");
+    ASSIMP_LOG_DEBUG"<" + m_currentNodeName + ">");
 #endif
     return m_currentNodeName;
 }
@@ -210,7 +210,7 @@ std::string OgreXmlSerializer::CurrentNodeName(bool forceRead)
 std::string &OgreXmlSerializer::SkipCurrentNode()
 {
 #if (OGRE_XML_SERIALIZER_DEBUG == 1)
-    DefaultLogger::get()->debug("Skipping node <" + m_currentNodeName + ">");
+    ASSIMP_LOG_DEBUG("Skipping node <" + m_currentNodeName + ">");
 #endif
 
     for(;;) {
@@ -317,7 +317,7 @@ void OgreXmlSerializer::ReadMesh(MeshXml *mesh) {
         throw DeadlyImportError("Root node is <" + m_currentNodeName + "> expecting <mesh>");
     }
 
-    DefaultLogger::get()->debug("Reading Mesh");
+    ASSIMP_LOG_DEBUG("Reading Mesh");
 
     NextNode();
 
@@ -351,7 +351,7 @@ void OgreXmlSerializer::ReadMesh(MeshXml *mesh) {
         else if (m_currentNodeName == nnSkeletonLink)
         {
             mesh->skeletonRef = ReadAttribute<std::string>("name");
-            DefaultLogger::get()->debug("Read skeleton link " + mesh->skeletonRef);
+            ASSIMP_LOG_DEBUG_F("Read skeleton link ", mesh->skeletonRef);
             NextNode();
         }
         // Assimp incompatible/ignored nodes
@@ -363,7 +363,7 @@ void OgreXmlSerializer::ReadMesh(MeshXml *mesh) {
 void OgreXmlSerializer::ReadGeometry(VertexDataXml *dest)
 {
     dest->count = ReadAttribute<uint32_t>("vertexcount");
-    DefaultLogger::get()->debug(Formatter::format() << "  - Reading geometry of " << dest->count << " vertices");
+    ASSIMP_LOG_DEBUG_F( "  - Reading geometry of ", dest->count, " vertices");
 
     NextNode();
     while(m_currentNodeName == nnVertexBuffer) {
@@ -385,22 +385,22 @@ void OgreXmlSerializer::ReadGeometryVertexBuffer(VertexDataXml *dest)
 
     if (positions)
     {
-        DefaultLogger::get()->debug("    - Contains positions");
+        ASSIMP_LOG_DEBUG("    - Contains positions");
         dest->positions.reserve(dest->count);
     }
     if (normals)
     {
-        DefaultLogger::get()->debug("    - Contains normals");
+        ASSIMP_LOG_DEBUG("    - Contains normals");
         dest->normals.reserve(dest->count);
     }
     if (tangents)
     {
-        DefaultLogger::get()->debug("    - Contains tangents");
+        ASSIMP_LOG_DEBUG("    - Contains tangents");
         dest->tangents.reserve(dest->count);
     }
     if (uvs > 0)
     {
-        DefaultLogger::get()->debug(Formatter::format() << "    - Contains " << uvs << " texture coords");
+        ASSIMP_LOG_DEBUG_F( "    - Contains ", uvs, " texture coords");
         dest->uvs.resize(uvs);
         for(size_t i=0, len=dest->uvs.size(); i<len; ++i) {
             dest->uvs[i].reserve(dest->count);
@@ -508,7 +508,7 @@ void OgreXmlSerializer::ReadGeometryVertexBuffer(VertexDataXml *dest)
                 }
             }
             if (warn) {
-                DefaultLogger::get()->warn("Vertex buffer attribute read not implemented for element: " + m_currentNodeName);
+                ASSIMP_LOG_WARN_F("Vertex buffer attribute read not implemented for element: ", m_currentNodeName);
             }
         }
 
@@ -554,9 +554,9 @@ void OgreXmlSerializer::ReadSubMesh(MeshXml *mesh)
         submesh->usesSharedVertexData = ReadAttribute<bool>(anUseSharedVertices);
     }
 
-    DefaultLogger::get()->debug(Formatter::format() << "Reading SubMesh " << mesh->subMeshes.size());
-    DefaultLogger::get()->debug(Formatter::format() << "  - Material: '" << submesh->materialRef << "'");
-    DefaultLogger::get()->debug(Formatter::format() << "  - Uses shared geometry: " << (submesh->usesSharedVertexData ? "true" : "false"));
+    ASSIMP_LOG_DEBUG_F( "Reading SubMesh ", mesh->subMeshes.size());
+    ASSIMP_LOG_DEBUG_F( "  - Material: '", submesh->materialRef, "'");
+    ASSIMP_LOG_DEBUG_F( "  - Uses shared geometry: ", (submesh->usesSharedVertexData ? "true" : "false"));
 
     // TODO: maybe we have always just 1 faces and 1 geometry and always in this order. this loop will only work correct, when the order
     // of faces and geometry changed, and not if we have more than one of one
@@ -587,7 +587,7 @@ void OgreXmlSerializer::ReadSubMesh(MeshXml *mesh)
 
                 /// @todo Support quads if Ogre even supports them in XML (I'm not sure but I doubt it)
                 if (!quadWarned && HasAttribute(anV4)) {
-                    DefaultLogger::get()->warn("Submesh <face> has quads with <v4>, only triangles are supported at the moment!");
+                    ASSIMP_LOG_WARN("Submesh <face> has quads with <v4>, only triangles are supported at the moment!");
                     quadWarned = true;
                 }
 
@@ -597,31 +597,25 @@ void OgreXmlSerializer::ReadSubMesh(MeshXml *mesh)
                 NextNode();
             }
 
-            if (submesh->indexData->faces.size() == submesh->indexData->faceCount)
-            {
-                DefaultLogger::get()->debug(Formatter::format() << "  - Faces " << submesh->indexData->faceCount);
-            }
-            else
-            {
+            if (submesh->indexData->faces.size() == submesh->indexData->faceCount) {
+                ASSIMP_LOG_DEBUG_F( "  - Faces ", submesh->indexData->faceCount);
+            } else {
                 throw DeadlyImportError(Formatter::format() << "Read only " << submesh->indexData->faces.size() << " faces when should have read " << submesh->indexData->faceCount);
             }
-        }
-        else if (m_currentNodeName == nnGeometry)
-        {
+        } else if (m_currentNodeName == nnGeometry) {
             if (submesh->usesSharedVertexData) {
                 throw DeadlyImportError("Found <geometry> in <submesh> when use shared geometry is true. Invalid mesh file.");
             }
 
             submesh->vertexData = new VertexDataXml();
             ReadGeometry(submesh->vertexData);
-        }
-        else if (m_currentNodeName == nnBoneAssignments)
-        {
+        } else if (m_currentNodeName == nnBoneAssignments) {
             ReadBoneAssignments(submesh->vertexData);
         }
         // Assimp incompatible/ignored nodes
-        else
+        else {
             SkipCurrentNode();
+        }
     }
 
     submesh->index = static_cast<unsigned int>(mesh->subMeshes.size());
@@ -676,7 +670,7 @@ void OgreXmlSerializer::ReadBoneAssignments(VertexDataXml *dest)
         }
     }
 
-    DefaultLogger::get()->debug(Formatter::format() << "  - " << dest->boneAssignments.size() << " bone assignments");
+    ASSIMP_LOG_DEBUG_F( "  - ", dest->boneAssignments.size(), " bone assignments");
 }
 
 // Skeleton
@@ -731,13 +725,13 @@ XmlReaderPtr OgreXmlSerializer::OpenReader(Assimp::IOSystem *pIOHandler, const s
 {
     if (!EndsWith(filename, ".skeleton.xml", false))
     {
-        DefaultLogger::get()->error("Imported Mesh is referencing to unsupported '" + filename + "' skeleton file.");
+        ASSIMP_LOG_ERROR_F("Imported Mesh is referencing to unsupported '", filename, "' skeleton file.");
         return XmlReaderPtr();
     }
 
     if (!pIOHandler->Exists(filename))
     {
-        DefaultLogger::get()->error("Failed to find skeleton file '" + filename + "' that is referenced by imported Mesh.");
+        ASSIMP_LOG_ERROR_F("Failed to find skeleton file '", filename, "' that is referenced by imported Mesh.");
         return XmlReaderPtr();
     }
 
@@ -760,7 +754,7 @@ void OgreXmlSerializer::ReadSkeleton(Skeleton *skeleton)
         throw DeadlyImportError("Root node is <" + m_currentNodeName + "> expecting <skeleton>");
     }
 
-    DefaultLogger::get()->debug("Reading Skeleton");
+    ASSIMP_LOG_DEBUG("Reading Skeleton");
 
     // Optional blend mode from root node
     if (HasAttribute("blendmode")) {
@@ -793,7 +787,7 @@ void OgreXmlSerializer::ReadAnimations(Skeleton *skeleton)
         throw DeadlyImportError("Cannot read <animations> for a Skeleton without bones");
     }
 
-    DefaultLogger::get()->debug("  - Animations");
+    ASSIMP_LOG_DEBUG("  - Animations");
 
     NextNode();
     while(m_currentNodeName == nnAnimation)
@@ -809,7 +803,7 @@ void OgreXmlSerializer::ReadAnimations(Skeleton *skeleton)
         ReadAnimationTracks(anim);
         skeleton->animations.push_back(anim);
 
-        DefaultLogger::get()->debug(Formatter::format() << "    " << anim->name << " (" << anim->length << " sec, " << anim->tracks.size() << " tracks)");
+        ASSIMP_LOG_DEBUG_F( "    ", anim->name, " (", anim->length, " sec, ", anim->tracks.size(), " tracks)");
     }
 }
 
@@ -867,7 +861,7 @@ void OgreXmlSerializer::ReadAnimationKeyFrames(Animation *anim, VertexAnimationT
                 {
                     axis.x = 1.0f;
                     if (angle != 0) {
-                        DefaultLogger::get()->warn("Found invalid a key frame with a zero rotation axis in animation: " + anim->name);
+                        ASSIMP_LOG_WARN_F("Found invalid a key frame with a zero rotation axis in animation: ", anim->name);
                     }
                 }
                 keyframe.rotation = aiQuaternion(axis, angle);
@@ -925,7 +919,7 @@ static bool BoneCompare(Bone *a, Bone *b)
 
 void OgreXmlSerializer::ReadBones(Skeleton *skeleton)
 {
-    DefaultLogger::get()->debug("  - Bones");
+    ASSIMP_LOG_DEBUG("  - Bones");
 
     NextNode();
     while(m_currentNodeName == nnBone)
@@ -994,7 +988,7 @@ void OgreXmlSerializer::ReadBones(Skeleton *skeleton)
     for (size_t i=0, len=skeleton->bones.size(); i<len; ++i)
     {
         Bone *b = skeleton->bones[i];
-        DefaultLogger::get()->debug(Formatter::format() << "    " << b->id << " " << b->name);
+        ASSIMP_LOG_DEBUG_F( "    ", b->id, " ", b->name);
 
         if (b->id != static_cast<uint16_t>(i)) {
             throw DeadlyImportError(Formatter::format() << "Bone ids are not in sequence starting from 0. Missing index " << i);

code/OpenGEXImporter.cpp

@@ -708,7 +708,7 @@ void OpenGEXImporter::handleMeshNode( ODDLParser::DDLNode *node, aiScene *pScene
             } else if ( "quads" == propKey ) {
                 m_currentMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
             } else {
-                DefaultLogger::get()->warn( propKey + " is not supported primitive type." );
+                ASSIMP_LOG_WARN_F( propKey, " is not supported primitive type." );
             }
         }
     }
@@ -1213,12 +1213,11 @@ void OpenGEXImporter::resolveReferences() {
                         if ( nullptr != m_currentMesh ) {
                             unsigned int matIdx = static_cast< unsigned int >( m_material2refMap[ name ] );
                             if ( m_currentMesh->mMaterialIndex != 0 ) {
-                                DefaultLogger::get()->warn( "Override of material reference in current mesh by material reference." );
+                                ASSIMP_LOG_WARN( "Override of material reference in current mesh by material reference." );
                             }
                             m_currentMesh->mMaterialIndex = matIdx;
                         }  else {
-                            DefaultLogger::get()->warn( "Cannot resolve material reference, because no current mesh is there." );
-
+                            ASSIMP_LOG_WARN( "Cannot resolve material reference, because no current mesh is there." );
                         }
                     }
                 }

code/OptimizeGraph.cpp

@@ -242,7 +242,7 @@ void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& no
 // ------------------------------------------------------------------------------------------------
 // Execute the post-processing step on the given scene
 void OptimizeGraphProcess::Execute( aiScene* pScene) {
-    DefaultLogger::get()->debug("OptimizeGraphProcess begin");
+    ASSIMP_LOG_DEBUG("OptimizeGraphProcess begin");
     nodes_in = nodes_out = count_merged = 0;
     mScene = pScene;
 
@@ -329,12 +329,10 @@ void OptimizeGraphProcess::Execute( aiScene* pScene) {
     pScene->mRootNode->mParent = NULL;
     if (!DefaultLogger::isNullLogger()) {
         if ( nodes_in != nodes_out) {
-
-            char buf[512];
-            ::ai_snprintf(buf,512,"OptimizeGraphProcess finished; Input nodes: %u, Output nodes: %u",nodes_in,nodes_out);
-            DefaultLogger::get()->info(buf);
+            ASSIMP_LOG_INFO_F("OptimizeGraphProcess finished; Input nodes: ", nodes_in, ", Output nodes: ", nodes_out);
+        } else {
+            ASSIMP_LOG_DEBUG("OptimizeGraphProcess finished");
         }
-        else DefaultLogger::get()->debug("OptimizeGraphProcess finished");
     }
     meshes.clear();
     locked.clear();

code/OptimizeMeshes.cpp

@@ -107,11 +107,11 @@ void OptimizeMeshesProcess::Execute( aiScene* pScene)
 {
     const unsigned int num_old = pScene->mNumMeshes;
     if (num_old <= 1) {
-        DefaultLogger::get()->debug("Skipping OptimizeMeshesProcess");
+        ASSIMP_LOG_DEBUG("Skipping OptimizeMeshesProcess");
         return;
     }
 
-    DefaultLogger::get()->debug("OptimizeMeshesProcess begin");
+    ASSIMP_LOG_DEBUG("OptimizeMeshesProcess begin");
     mScene = pScene;
 
     // need to clear persistent members from previous runs
@@ -151,11 +151,9 @@ void OptimizeMeshesProcess::Execute( aiScene* pScene)
     std::copy(output.begin(),output.end(),mScene->mMeshes);
 
     if (output.size() != num_old) {
-        char tmp[512];
-        ::ai_snprintf(tmp,512,"OptimizeMeshesProcess finished. Input meshes: %u, Output meshes: %u",num_old,pScene->mNumMeshes);
-        DefaultLogger::get()->info(tmp);
+        ASSIMP_LOG_DEBUG_F("OptimizeMeshesProcess finished. Input meshes: ", num_old, ", Output meshes: ", pScene->mNumMeshes);
     } else {
-        DefaultLogger::get()->debug( "OptimizeMeshesProcess finished" );
+        ASSIMP_LOG_DEBUG( "OptimizeMeshesProcess finished" );
     }
 }
 

code/PlyParser.cpp

@@ -97,7 +97,7 @@ PLY::EDataType PLY::Property::ParseDataType(std::vector<char> &buffer) {
   }
   if (PLY::EDT_INVALID == eOut)
   {
-    DefaultLogger::get()->info("Found unknown data type in PLY file. This is OK");
+      ASSIMP_LOG_INFO("Found unknown data type in PLY file. This is OK");
   }
 
   return eOut;
@@ -229,7 +229,7 @@ PLY::ESemantic PLY::Property::ParseSemantic(std::vector<char> &buffer) {
     eOut = PLY::EST_ZNormal;
   }
   else {
-    DefaultLogger::get()->info("Found unknown property semantic in file. This is ok");
+      ASSIMP_LOG_INFO("Found unknown property semantic in file. This is ok");
     PLY::DOM::SkipLine(buffer);
   }
   return eOut;
@@ -295,7 +295,7 @@ bool PLY::Property::ParseProperty(std::vector<char> &buffer, PLY::Property* pOut
 
   if (PLY::EST_INVALID == pOut->Semantic)
   {
-    DefaultLogger::get()->info("Found unknown semantic in PLY file. This is OK");
+    ASSIMP_LOG_INFO("Found unknown semantic in PLY file. This is OK");
     std::string(&buffer[0], &buffer[0] + strlen(&buffer[0]));
   }
 
@@ -514,7 +514,7 @@ bool PLY::DOM::SkipComments(std::vector<char> &buffer)
 
 // ------------------------------------------------------------------------------------------------
 bool PLY::DOM::ParseHeader(IOStreamBuffer<char> &streamBuffer, std::vector<char> &buffer, bool isBinary) {
-  DefaultLogger::get()->debug("PLY::DOM::ParseHeader() begin");
+    ASSIMP_LOG_DEBUG("PLY::DOM::ParseHeader() begin");
 
   // parse all elements
   while (!buffer.empty())
@@ -543,14 +543,14 @@ bool PLY::DOM::ParseHeader(IOStreamBuffer<char> &streamBuffer, std::vector<char>
   if (!isBinary) // it would occur an error, if binary data start with values as space or line end.
     SkipSpacesAndLineEnd(buffer);
 
-  DefaultLogger::get()->debug("PLY::DOM::ParseHeader() succeeded");
+  ASSIMP_LOG_DEBUG("PLY::DOM::ParseHeader() succeeded");
   return true;
 }
 
 // ------------------------------------------------------------------------------------------------
 bool PLY::DOM::ParseElementInstanceLists(IOStreamBuffer<char> &streamBuffer, std::vector<char> &buffer, PLYImporter* loader)
 {
-  DefaultLogger::get()->debug("PLY::DOM::ParseElementInstanceLists() begin");
+    ASSIMP_LOG_DEBUG("PLY::DOM::ParseElementInstanceLists() begin");
   alElementData.resize(alElements.size());
 
   std::vector<PLY::Element>::const_iterator i = alElements.begin();
@@ -571,7 +571,7 @@ bool PLY::DOM::ParseElementInstanceLists(IOStreamBuffer<char> &streamBuffer, std
     }
   }
 
-  DefaultLogger::get()->debug("PLY::DOM::ParseElementInstanceLists() succeeded");
+  ASSIMP_LOG_DEBUG("PLY::DOM::ParseElementInstanceLists() succeeded");
   return true;
 }
 
@@ -582,7 +582,7 @@ bool PLY::DOM::ParseElementInstanceListsBinary(IOStreamBuffer<char> &streamBuffe
     PLYImporter* loader,
     bool p_bBE)
 {
-  DefaultLogger::get()->debug("PLY::DOM::ParseElementInstanceListsBinary() begin");
+    ASSIMP_LOG_DEBUG("PLY::DOM::ParseElementInstanceListsBinary() begin");
   alElementData.resize(alElements.size());
 
   std::vector<PLY::Element>::const_iterator i = alElements.begin();
@@ -602,7 +602,7 @@ bool PLY::DOM::ParseElementInstanceListsBinary(IOStreamBuffer<char> &streamBuffe
     }
   }
 
-  DefaultLogger::get()->debug("PLY::DOM::ParseElementInstanceListsBinary() succeeded");
+  ASSIMP_LOG_DEBUG("PLY::DOM::ParseElementInstanceListsBinary() succeeded");
   return true;
 }
 
@@ -615,11 +615,11 @@ bool PLY::DOM::ParseInstanceBinary(IOStreamBuffer<char> &streamBuffer, DOM* p_pc
   std::vector<char> buffer;
   streamBuffer.getNextLine(buffer);
 
-  DefaultLogger::get()->debug("PLY::DOM::ParseInstanceBinary() begin");
+  ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstanceBinary() begin");
 
   if (!p_pcOut->ParseHeader(streamBuffer, buffer, true))
   {
-    DefaultLogger::get()->debug("PLY::DOM::ParseInstanceBinary() failure");
+      ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstanceBinary() failure");
     return false;
   }
 
@@ -628,10 +628,10 @@ bool PLY::DOM::ParseInstanceBinary(IOStreamBuffer<char> &streamBuffer, DOM* p_pc
   const char* pCur = (char*)&buffer[0];
   if (!p_pcOut->ParseElementInstanceListsBinary(streamBuffer, buffer, pCur, bufferSize, loader, p_bBE))
   {
-    DefaultLogger::get()->debug("PLY::DOM::ParseInstanceBinary() failure");
+      ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstanceBinary() failure");
     return false;
   }
-  DefaultLogger::get()->debug("PLY::DOM::ParseInstanceBinary() succeeded");
+  ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstanceBinary() succeeded");
   return true;
 }
 
@@ -644,11 +644,11 @@ bool PLY::DOM::ParseInstance(IOStreamBuffer<char> &streamBuffer, DOM* p_pcOut, P
   std::vector<char> buffer;
   streamBuffer.getNextLine(buffer);
 
-  DefaultLogger::get()->debug("PLY::DOM::ParseInstance() begin");
+  ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstance() begin");
 
   if (!p_pcOut->ParseHeader(streamBuffer, buffer, false))
   {
-    DefaultLogger::get()->debug("PLY::DOM::ParseInstance() failure");
+      ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstance() failure");
     return false;
   }
 
@@ -656,10 +656,10 @@ bool PLY::DOM::ParseInstance(IOStreamBuffer<char> &streamBuffer, DOM* p_pcOut, P
   streamBuffer.getNextLine(buffer);
   if (!p_pcOut->ParseElementInstanceLists(streamBuffer, buffer, loader))
   {
-    DefaultLogger::get()->debug("PLY::DOM::ParseInstance() failure");
+      ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstance() failure");
     return false;
   }
-  DefaultLogger::get()->debug("PLY::DOM::ParseInstance() succeeded");
+  ASSIMP_LOG_DEBUG("PLY::DOM::ParseInstance() succeeded");
   return true;
 }
 
@@ -787,7 +787,7 @@ bool PLY::ElementInstance::ParseInstance(const char* &pCur,
   {
     if (!(PLY::PropertyInstance::ParseInstance(pCur, &(*a), &(*i))))
     {
-      DefaultLogger::get()->warn("Unable to parse property instance. "
+        ASSIMP_LOG_WARN("Unable to parse property instance. "
         "Skipping this element instance");
 
       PLY::PropertyInstance::ValueUnion v = PLY::PropertyInstance::DefaultValue((*a).eType);
@@ -819,7 +819,7 @@ bool PLY::ElementInstance::ParseInstanceBinary(
   {
     if (!(PLY::PropertyInstance::ParseInstanceBinary(streamBuffer, buffer, pCur, bufferSize, &(*a), &(*i), p_bBE)))
     {
-      DefaultLogger::get()->warn("Unable to parse binary property instance. "
+        ASSIMP_LOG_WARN("Unable to parse binary property instance. "
         "Skipping this element instance");
 
       (*i).avList.push_back(PLY::PropertyInstance::DefaultValue((*a).eType));

code/PretransformVertices.cpp

@@ -391,7 +391,7 @@ void PretransformVertices::BuildWCSMeshes(std::vector<aiMesh*>& out, aiMesh** in
             }
             if (node->mMeshes[i] < numIn) {
                 // Worst case. Need to operate on a full copy of the mesh
-                DefaultLogger::get()->info("PretransformVertices: Copying mesh due to mismatching transforms");
+                ASSIMP_LOG_INFO("PretransformVertices: Copying mesh due to mismatching transforms");
                 aiMesh* ntz;
 
                 const unsigned int tmp = mesh->mNumBones; //
@@ -441,7 +441,7 @@ void PretransformVertices::BuildMeshRefCountArray(aiNode* nd, unsigned int * ref
 // Executes the post processing step on the given imported data.
 void PretransformVertices::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("PretransformVerticesProcess begin");
+    ASSIMP_LOG_DEBUG("PretransformVerticesProcess begin");
 
     // Return immediately if we have no meshes
     if (!pScene->mNumMeshes)
@@ -713,22 +713,12 @@ void PretransformVertices::Execute( aiScene* pScene)
     }
 
     // print statistics
-    if (!DefaultLogger::isNullLogger())
-    {
-        char buffer[4096];
-
-        DefaultLogger::get()->debug("PretransformVerticesProcess finished");
-
-        ::ai_snprintf(buffer,4096,"Removed %u nodes and %u animation channels (%u output nodes)",
-            iOldNodes,iOldAnimationChannels,CountNodes(pScene->mRootNode));
-        DefaultLogger::get()->info(buffer);
-
-        ai_snprintf(buffer, 4096,"Kept %u lights and %u cameras",
-            pScene->mNumLights,pScene->mNumCameras);
-        DefaultLogger::get()->info(buffer);
+    if (!DefaultLogger::isNullLogger()) {
+        ASSIMP_LOG_DEBUG("PretransformVerticesProcess finished");
 
-        ai_snprintf(buffer, 4096,"Moved %u meshes to WCS (number of output meshes: %u)",
-            iOldMeshes,pScene->mNumMeshes);
-        DefaultLogger::get()->info(buffer);
+        ASSIMP_LOG_INFO_F("Removed ", iOldNodes, " nodes and ", iOldAnimationChannels, " animation channels (", 
+            CountNodes(pScene->mRootNode) ," output nodes)" );
+        ASSIMP_LOG_INFO_F("Kept ", pScene->mNumLights, " lights and ", pScene->mNumCameras, " cameras." );
+        ASSIMP_LOG_INFO_F("Moved ", iOldMeshes, " meshes to WCS (number of output meshes: ", pScene->mNumMeshes, ")");
     }
 }

code/ProcessHelper.cpp

@@ -62,7 +62,7 @@ void ConvertListToStrings(const std::string& in, std::list<std::string>& out)
             while (*s != '\'') {
                 ++s;
                 if (*s == '\0') {
-                    DefaultLogger::get()->error("ConvertListToString: String list is ill-formatted");
+                    ASSIMP_LOG_ERROR("ConvertListToString: String list is ill-formatted");
                     return;
                 }
             }

code/ProcessHelper.h

@@ -348,7 +348,7 @@ class ComputeSpatialSortProcess : public BaseProcess
     void Execute( aiScene* pScene)
     {
         typedef std::pair<SpatialSort, ai_real> _Type;
-        DefaultLogger::get()->debug("Generate spatially-sorted vertex cache");
+        ASSIMP_LOG_DEBUG("Generate spatially-sorted vertex cache");
 
         std::vector<_Type>* p = new std::vector<_Type>(pScene->mNumMeshes);
         std::vector<_Type>::iterator it = p->begin();

code/Q3DLoader.cpp

@@ -125,7 +125,7 @@ void Q3DImporter::InternReadFile( const std::string& pFile,
     }
 
     // Print the file format version
-    DefaultLogger::get()->info("Quick3D File format version: " +
+    ASSIMP_LOG_INFO_F("Quick3D File format version: ",
         std::string(&((const char*)stream.GetPtr())[8],2));
 
     // ... an store it
@@ -413,7 +413,7 @@ outer:
     // If we have no materials loaded - generate a default mat
     if (materials.empty())
     {
-        DefaultLogger::get()->info("Quick3D: No material found, generating one");
+        ASSIMP_LOG_INFO("Quick3D: No material found, generating one");
         materials.push_back(Material());
         materials.back().diffuse  = fgColor ;
     }
@@ -433,7 +433,7 @@ outer:
         {
             if ((*fit).mat >= materials.size())
             {
-                DefaultLogger::get()->warn("Quick3D: Material index overflow");
+                ASSIMP_LOG_WARN("Quick3D: Material index overflow");
                 (*fit).mat = 0;
             }
             if (fidx[(*fit).mat].empty())++pScene->mNumMeshes;
@@ -528,7 +528,7 @@ outer:
             {
                 if (face.indices[n] >= m.verts.size())
                 {
-                    DefaultLogger::get()->warn("Quick3D: Vertex index overflow");
+                    ASSIMP_LOG_WARN("Quick3D: Vertex index overflow");
                     face.indices[n] = 0;
                 }
 
@@ -561,7 +561,7 @@ outer:
                     {
                         if (face.uvindices[n] >= m.uv.size())
                         {
-                            DefaultLogger::get()->warn("Quick3D: Texture coordinate index overflow");
+                            ASSIMP_LOG_WARN("Quick3D: Texture coordinate index overflow");
                             face.uvindices[n] = 0;
                         }
                         *uv = m.uv[face.uvindices[n]];

code/RawLoader.cpp

@@ -160,7 +160,7 @@ void RAWImporter::InternReadFile( const std::string& pFile,
             }
             if (num != 12 && num != 9)
             {
-                DefaultLogger::get()->error("A line may have either 9 or 12 floats and an optional texture");
+                ASSIMP_LOG_ERROR("A line may have either 9 or 12 floats and an optional texture");
                 continue;
             }
 

code/RemoveRedundantMaterials.cpp

@@ -87,7 +87,7 @@ void RemoveRedundantMatsProcess::SetupProperties(const Importer* pImp)
 // Executes the post processing step on the given imported data.
 void RemoveRedundantMatsProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("RemoveRedundantMatsProcess begin");
+    ASSIMP_LOG_DEBUG("RemoveRedundantMatsProcess begin");
 
     unsigned int redundantRemoved = 0, unreferencedRemoved = 0;
     if (pScene->mNumMaterials)
@@ -122,7 +122,7 @@ void RemoveRedundantMatsProcess::Execute( aiScene* pScene)
 
                         // Keep this material even if no mesh references it
                         abReferenced[i] = true;
-                        DefaultLogger::get()->debug(std::string("Found positive match in exclusion list: \'") + name.data + "\'");
+                        ASSIMP_LOG_DEBUG_F( "Found positive match in exclusion list: \'", name.data, "\'");
                     }
                 }
             }
@@ -211,13 +211,11 @@ void RemoveRedundantMatsProcess::Execute( aiScene* pScene)
     }
     if (redundantRemoved == 0 && unreferencedRemoved == 0)
     {
-        DefaultLogger::get()->debug("RemoveRedundantMatsProcess finished ");
+        ASSIMP_LOG_DEBUG("RemoveRedundantMatsProcess finished ");
     }
     else
     {
-        char szBuffer[128]; // should be sufficiently large
-        ::ai_snprintf(szBuffer,128,"RemoveRedundantMatsProcess finished. Removed %u redundant and %u unused materials.",
-            redundantRemoved,unreferencedRemoved);
-        DefaultLogger::get()->info(szBuffer);
+        ASSIMP_LOG_INFO_F("RemoveRedundantMatsProcess finished. Removed ", redundantRemoved, " redundant and ", 
+            unreferencedRemoved, " unused materials.");
     }
 }

code/RemoveVCProcess.cpp

@@ -145,7 +145,7 @@ bool UpdateNodeGraph(aiNode* node,std::list<aiNode*>& childsOfParent,bool root)
 // Executes the post processing step on the given imported data.
 void RemoveVCProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("RemoveVCProcess begin");
+    ASSIMP_LOG_DEBUG("RemoveVCProcess begin");
     bool bHas = false; //,bMasked = false;
 
     mScene = pScene;
@@ -224,15 +224,18 @@ void RemoveVCProcess::Execute( aiScene* pScene)
     if (!pScene->mNumMeshes || !pScene->mNumMaterials)
     {
         pScene->mFlags |= AI_SCENE_FLAGS_INCOMPLETE;
-        DefaultLogger::get()->debug("Setting AI_SCENE_FLAGS_INCOMPLETE flag");
+        ASSIMP_LOG_DEBUG("Setting AI_SCENE_FLAGS_INCOMPLETE flag");
 
         // If we have no meshes anymore we should also clear another flag ...
         if (!pScene->mNumMeshes)
             pScene->mFlags &= ~AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
     }
 
-    if (bHas)DefaultLogger::get()->info("RemoveVCProcess finished. Data structure cleanup has been done.");
-    else DefaultLogger::get()->debug("RemoveVCProcess finished. Nothing to be done ...");
+    if (bHas) {
+        ASSIMP_LOG_INFO("RemoveVCProcess finished. Data structure cleanup has been done.");
+    } else {
+        ASSIMP_LOG_DEBUG("RemoveVCProcess finished. Nothing to be done ...");
+    }
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -242,7 +245,7 @@ void RemoveVCProcess::SetupProperties(const Importer* pImp)
     configDeleteFlags = pImp->GetPropertyInteger(AI_CONFIG_PP_RVC_FLAGS,0x0);
     if (!configDeleteFlags)
     {
-        DefaultLogger::get()->warn("RemoveVCProcess: AI_CONFIG_PP_RVC_FLAGS is zero.");
+        ASSIMP_LOG_WARN("RemoveVCProcess: AI_CONFIG_PP_RVC_FLAGS is zero.");
     }
 }
 

code/SIBImporter.cpp

@@ -150,7 +150,7 @@ static SIBChunk ReadChunk(StreamReaderLE* stream)
     chunk.Tag = stream->GetU4();
     chunk.Size = stream->GetU4();
     if (chunk.Size > stream->GetRemainingSizeToLimit())
-        DefaultLogger::get()->error("SIB: Chunk overflow");
+        ASSIMP_LOG_ERROR("SIB: Chunk overflow");
     ByteSwap::Swap4(&chunk.Tag);
     return chunk;
 }
@@ -173,7 +173,7 @@ static void UnknownChunk(StreamReaderLE* /*stream*/, const SIBChunk& chunk)
         static_cast<char>(chunk.Tag & 0xff), '\0'
     };
 
-    DefaultLogger::get()->warn((Formatter::format(), "SIB: Skipping unknown '",temp,"' chunk."));
+    ASSIMP_LOG_WARN((Formatter::format(), "SIB: Skipping unknown '",temp,"' chunk."));
 }
 
 // Reads a UTF-16LE string and returns it at UTF-8.
@@ -589,7 +589,7 @@ static void ReadShape(SIB* sib, StreamReaderLE* stream)
 
         if (mtl >= meshes.size())
         {
-            DefaultLogger::get()->error("SIB: Face material index is invalid.");
+            ASSIMP_LOG_ERROR("SIB: Face material index is invalid.");
             mtl = 0;
         }
 

code/SMDLoader.cpp

@@ -182,7 +182,7 @@ void SMDImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOS
         {
             if (!(*i).mName.length())
             {
-                DefaultLogger::get()->warn("SMD: Not all bones have been initialized");
+                ASSIMP_LOG_WARN("SMD: Not all bones have been initialized");
                 break;
             }
         }
@@ -230,7 +230,7 @@ void SMDImporter::LogWarning(const char* msg)
     char szTemp[1024];
     ai_assert(strlen(msg) < 1000);
     ai_snprintf(szTemp,1024,"Line %u: %s",iLineNumber,msg);
-    DefaultLogger::get()->warn(szTemp);
+    ASSIMP_LOG_WARN(szTemp);
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -286,7 +286,7 @@ void SMDImporter::CreateOutputMeshes()
         if (UINT_MAX == (*iFace).iTexture)aaiFaces[(*iFace).iTexture].push_back( 0 );
         else if ((*iFace).iTexture >= aszTextures.size())
         {
-            DefaultLogger::get()->error("[SMD/VTA] Material index overflow in face");
+            ASSIMP_LOG_INFO("[SMD/VTA] Material index overflow in face");
             aaiFaces[(*iFace).iTexture].push_back((unsigned int)aszTextures.size()-1);
         }
         else aaiFaces[(*iFace).iTexture].push_back(iNum);
@@ -366,7 +366,7 @@ void SMDImporter::CreateOutputMeshes()
                     if (pairval.first >= asBones.size() ||
                         pairval.first == face.avVertices[iVert].iParentNode)
                     {
-                        DefaultLogger::get()->error("[SMD/VTA] Bone index overflow. "
+                        ASSIMP_LOG_ERROR("[SMD/VTA] Bone index overflow. "
                             "The bone index will be ignored, the weight will be assigned "
                             "to the vertex' parent node");
                         continue;
@@ -387,7 +387,7 @@ void SMDImporter::CreateOutputMeshes()
                 {
                     if (face.avVertices[iVert].iParentNode >= asBones.size())
                     {
-                        DefaultLogger::get()->error("[SMD/VTA] Bone index overflow. "
+                        ASSIMP_LOG_ERROR("[SMD/VTA] Bone index overflow. "
                             "The index of the vertex parent bone is invalid. "
                             "The remaining weights will be normalized to 1.0");
 
@@ -715,7 +715,7 @@ void SMDImporter::ParseFile()
             if(!SkipSpaces(szCurrent,&szCurrent)) break;
             if (1 != strtoul10(szCurrent,&szCurrent))
             {
-                DefaultLogger::get()->warn("SMD.version is not 1. This "
+                ASSIMP_LOG_WARN("SMD.version is not 1. This "
                     "file format is not known. Continuing happily ...");
             }
             continue;
@@ -953,7 +953,7 @@ void SMDImporter::ParseSkeletonElement(const char* szCurrent,
     unsigned int iBone  = 0;
     if(!ParseUnsignedInt(szCurrent,&szCurrent,iBone))
     {
-        DefaultLogger::get()->error("Unexpected EOF/EOL while parsing bone index");
+        ASSIMP_LOG_ERROR("Unexpected EOF/EOL while parsing bone index");
         SMDI_PARSE_RETURN;
     }
     if (iBone >= asBones.size())

code/STEPFile.h

@@ -776,10 +776,10 @@ namespace STEP {
 
             // XXX is this really how the EXPRESS notation ([?:3],[1:3]) is intended?
             if (max_cnt && inp->GetSize() > max_cnt) {
-                DefaultLogger::get()->warn("too many aggregate elements");
+                ASSIMP_LOG_WARN("too many aggregate elements");
             }
             else if (inp->GetSize() < min_cnt) {
-                DefaultLogger::get()->warn("too few aggregate elements");
+                ASSIMP_LOG_WARN("too few aggregate elements");
             }
 
             out.reserve(inp->GetSize());

code/STLLoader.cpp

@@ -286,14 +286,14 @@ void STLImporter::LoadASCIIFile( aiNode *root ) {
             if(!SkipSpacesAndLineEnd(&sz))
             {
                 // seems we're finished although there was no end marker
-                DefaultLogger::get()->warn("STL: unexpected EOF. \'endsolid\' keyword was expected");
+                ASSIMP_LOG_WARN("STL: unexpected EOF. \'endsolid\' keyword was expected");
                 break;
             }
             // facet normal -0.13 -0.13 -0.98
             if (!strncmp(sz,"facet",5) && IsSpaceOrNewLine(*(sz+5)) && *(sz + 5) != '\0')    {
 
                 if (faceVertexCounter != 3) {
-                    DefaultLogger::get()->warn("STL: A new facet begins but the old is not yet complete");
+                    ASSIMP_LOG_WARN("STL: A new facet begins but the old is not yet complete");
                 }
                 faceVertexCounter = 0;
                 normalBuffer.push_back(aiVector3D());
@@ -302,7 +302,7 @@ void STLImporter::LoadASCIIFile( aiNode *root ) {
                 sz += 6;
                 SkipSpaces(&sz);
                 if (strncmp(sz,"normal",6))    {
-                    DefaultLogger::get()->warn("STL: a facet normal vector was expected but not found");
+                    ASSIMP_LOG_WARN("STL: a facet normal vector was expected but not found");
                 } else {
                     if (sz[6] == '\0') {
                         throw DeadlyImportError("STL: unexpected EOF while parsing facet");
@@ -319,7 +319,7 @@ void STLImporter::LoadASCIIFile( aiNode *root ) {
                 }
             } else if (!strncmp(sz,"vertex",6) && ::IsSpaceOrNewLine(*(sz+6))) { // vertex 1.50000 1.50000 0.00000
                 if (faceVertexCounter >= 3) {
-                    DefaultLogger::get()->error("STL: a facet with more than 3 vertices has been found");
+                    ASSIMP_LOG_ERROR("STL: a facet with more than 3 vertices has been found");
                     ++sz;
                 } else {
                     if (sz[6] == '\0') {
@@ -418,7 +418,7 @@ bool STLImporter::LoadBinaryFile()
 
             // read the default vertex color for facets
             bIsMaterialise = true;
-            DefaultLogger::get()->info("STL: Taking code path for Materialise files");
+            ASSIMP_LOG_INFO("STL: Taking code path for Materialise files");
             const ai_real invByte = (ai_real)1.0 / ( ai_real )255.0;
             clrColorDefault.r = (*sz2++) * invByte;
             clrColorDefault.g = (*sz2++) * invByte;
@@ -500,7 +500,7 @@ bool STLImporter::LoadBinaryFile()
                     *pMesh->mColors[0]++ = this->clrColorDefault;
                 pMesh->mColors[0] -= pMesh->mNumVertices;
 
-                DefaultLogger::get()->info("STL: Mesh has vertex colors");
+                ASSIMP_LOG_INFO("STL: Mesh has vertex colors");
             }
             aiColor4D* clr = &pMesh->mColors[0][i*3];
             clr->a = 1.0;

code/SceneCombiner.cpp

@@ -75,7 +75,7 @@ void PrefixString(aiString& string,const char* prefix, unsigned int len) {
         return;
 
     if (len+string.length>=MAXLEN-1) {
-        DefaultLogger::get()->debug("Can't add an unique prefix because the string is too long");
+        ASSIMP_LOG_DEBUG("Can't add an unique prefix because the string is too long");
         ai_assert(false);
         return;
     }
@@ -622,8 +622,8 @@ void SceneCombiner::MergeScenes(aiScene** _dest, aiScene* master, std::vector<At
                 }
             }
             if (!(*it).resolved) {
-                DefaultLogger::get()->error(std::string("SceneCombiner: Failed to resolve attachment ")
-                    + (*it).node->mName.data + " " + (*it).attachToNode->mName.data);
+                ASSIMP_LOG_ERROR_F( "SceneCombiner: Failed to resolve attachment ", (*it).node->mName.data,
+                    " ", (*it).attachToNode->mName.data );
             }
         }
     }
@@ -727,7 +727,7 @@ void SceneCombiner::MergeBones(aiMesh* out,std::vector<aiMesh*>::const_iterator
             // NOTE: different offset matrices for bones with equal names
             // are - at the moment - not handled correctly.
             if (wmit != (*it).pSrcBones.begin() && pc->mOffsetMatrix != (*wmit).first->mOffsetMatrix)   {
-                DefaultLogger::get()->warn("Bones with equal names but different offset matrices can't be joined at the moment");
+                ASSIMP_LOG_WARN("Bones with equal names but different offset matrices can't be joined at the moment");
                 continue;
             }
             pc->mOffsetMatrix = (*wmit).first->mOffsetMatrix;
@@ -796,7 +796,7 @@ void SceneCombiner::MergeMeshes(aiMesh** _out, unsigned int /*flags*/,
                 if ((*it)->mVertices)   {
                     ::memcpy(pv2,(*it)->mVertices,(*it)->mNumVertices*sizeof(aiVector3D));
                 }
-                else DefaultLogger::get()->warn("JoinMeshes: Positions expected but input mesh contains no positions");
+                else ASSIMP_LOG_WARN("JoinMeshes: Positions expected but input mesh contains no positions");
                 pv2 += (*it)->mNumVertices;
             }
         }
@@ -808,7 +808,7 @@ void SceneCombiner::MergeMeshes(aiMesh** _out, unsigned int /*flags*/,
                 if ((*it)->mNormals)    {
                     ::memcpy(pv2,(*it)->mNormals,(*it)->mNumVertices*sizeof(aiVector3D));
                 } else {
-                    DefaultLogger::get()->warn( "JoinMeshes: Normals expected but input mesh contains no normals" );
+                    ASSIMP_LOG_WARN( "JoinMeshes: Normals expected but input mesh contains no normals" );
                 }
                 pv2 += (*it)->mNumVertices;
             }
@@ -824,7 +824,7 @@ void SceneCombiner::MergeMeshes(aiMesh** _out, unsigned int /*flags*/,
                     ::memcpy(pv2, (*it)->mTangents,  (*it)->mNumVertices*sizeof(aiVector3D));
                     ::memcpy(pv2b,(*it)->mBitangents,(*it)->mNumVertices*sizeof(aiVector3D));
                 } else {
-                    DefaultLogger::get()->warn( "JoinMeshes: Tangents expected but input mesh contains no tangents" );
+                    ASSIMP_LOG_WARN( "JoinMeshes: Tangents expected but input mesh contains no tangents" );
                 }
                 pv2  += (*it)->mNumVertices;
                 pv2b += (*it)->mNumVertices;
@@ -840,7 +840,7 @@ void SceneCombiner::MergeMeshes(aiMesh** _out, unsigned int /*flags*/,
                 if ((*it)->mTextureCoords[n])   {
                     ::memcpy(pv2,(*it)->mTextureCoords[n],(*it)->mNumVertices*sizeof(aiVector3D));
                 } else {
-                    DefaultLogger::get()->warn( "JoinMeshes: UVs expected but input mesh contains no UVs" );
+                    ASSIMP_LOG_WARN( "JoinMeshes: UVs expected but input mesh contains no UVs" );
                 }
                 pv2 += (*it)->mNumVertices;
             }
@@ -854,7 +854,7 @@ void SceneCombiner::MergeMeshes(aiMesh** _out, unsigned int /*flags*/,
                 if ((*it)->mColors[n])  {
                     ::memcpy(pv2,(*it)->mColors[n],(*it)->mNumVertices*sizeof(aiColor4D));
                 } else {
-                    DefaultLogger::get()->warn( "JoinMeshes: VCs expected but input mesh contains no VCs" );
+                    ASSIMP_LOG_WARN( "JoinMeshes: VCs expected but input mesh contains no VCs" );
                 }
                 pv2 += (*it)->mNumVertices;
             }

code/ScenePreprocessor.cpp

@@ -81,7 +81,7 @@ void ScenePreprocessor::ProcessScene ()
         name.Set(AI_DEFAULT_MATERIAL_NAME);
         helper->AddProperty(&name,AI_MATKEY_NAME);
 
-        DefaultLogger::get()->debug("ScenePreprocessor: Adding default material \'" AI_DEFAULT_MATERIAL_NAME  "\'");
+        ASSIMP_LOG_DEBUG("ScenePreprocessor: Adding default material \'" AI_DEFAULT_MATERIAL_NAME  "\'");
 
         for (unsigned int i = 0; i < scene->mNumMeshes;++i) {
             scene->mMeshes[i]->mMaterialIndex = scene->mNumMaterials;
@@ -122,7 +122,7 @@ void ScenePreprocessor::ProcessMesh (aiMesh* mesh)
                         break;
                 }
                 if (p == end) {
-                    DefaultLogger::get()->warn("ScenePreprocessor: UVs are declared to be 3D but they're obviously not. Reverting to 2D.");
+                    ASSIMP_LOG_WARN("ScenePreprocessor: UVs are declared to be 3D but they're obviously not. Reverting to 2D.");
                     mesh->mNumUVComponents[i] = 2;
                 }
             }
@@ -224,7 +224,7 @@ void ScenePreprocessor::ProcessAnimation (aiAnimation* anim)
                     q.mTime  = 0.;
                     q.mValue = rotation;
 
-                    DefaultLogger::get()->debug("ScenePreprocessor: Dummy rotation track has been generated");
+                    ASSIMP_LOG_DEBUG("ScenePreprocessor: Dummy rotation track has been generated");
                 }
 
                 // No scaling keys? Generate a dummy track
@@ -236,7 +236,7 @@ void ScenePreprocessor::ProcessAnimation (aiAnimation* anim)
                     q.mTime  = 0.;
                     q.mValue = scaling;
 
-                    DefaultLogger::get()->debug("ScenePreprocessor: Dummy scaling track has been generated");
+                    ASSIMP_LOG_DEBUG("ScenePreprocessor: Dummy scaling track has been generated");
                 }
 
                 // No position keys? Generate a dummy track
@@ -248,14 +248,14 @@ void ScenePreprocessor::ProcessAnimation (aiAnimation* anim)
                     q.mTime  = 0.;
                     q.mValue = position;
 
-                    DefaultLogger::get()->debug("ScenePreprocessor: Dummy position track has been generated");
+                    ASSIMP_LOG_DEBUG("ScenePreprocessor: Dummy position track has been generated");
                 }
             }
         }
     }
 
     if (anim->mDuration == -1.)     {
-        DefaultLogger::get()->debug("ScenePreprocessor: Setting animation duration");
+        ASSIMP_LOG_DEBUG("ScenePreprocessor: Setting animation duration");
         anim->mDuration = last - std::min( first, 0. );
     }
 }

code/SortByPTypeProcess.cpp

@@ -137,11 +137,11 @@ void SortByPTypeProcess::Execute( aiScene* pScene)
 {
     if (!pScene->mNumMeshes)
     {
-        DefaultLogger::get()->debug("SortByPTypeProcess skipped, there are no meshes");
+        ASSIMP_LOG_DEBUG("SortByPTypeProcess skipped, there are no meshes");
         return;
     }
 
-    DefaultLogger::get()->debug("SortByPTypeProcess begin");
+    ASSIMP_LOG_DEBUG("SortByPTypeProcess begin");
 
     unsigned int aiNumMeshesPerPType[4] = {0,0,0,0};
 
@@ -404,8 +404,8 @@ void SortByPTypeProcess::Execute( aiScene* pScene)
             aiNumMeshesPerPType[1], ((configRemoveMeshes & aiPrimitiveType_LINE)      ? "X" : ""),
             aiNumMeshesPerPType[2], ((configRemoveMeshes & aiPrimitiveType_TRIANGLE)  ? "X" : ""),
             aiNumMeshesPerPType[3], ((configRemoveMeshes & aiPrimitiveType_POLYGON)   ? "X" : ""));
-        DefaultLogger::get()->info(buffer);
-        DefaultLogger::get()->debug("SortByPTypeProcess finished");
+        ASSIMP_LOG_INFO(buffer);
+        ASSIMP_LOG_DEBUG("SortByPTypeProcess finished");
     }
 }
 

code/SplitByBoneCountProcess.cpp

@@ -88,7 +88,7 @@ void SplitByBoneCountProcess::SetupProperties(const Importer* pImp)
 // Executes the post processing step on the given imported data.
 void SplitByBoneCountProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("SplitByBoneCountProcess begin");
+    ASSIMP_LOG_DEBUG("SplitByBoneCountProcess begin");
 
     // early out
     bool isNecessary = false;
@@ -98,7 +98,7 @@ void SplitByBoneCountProcess::Execute( aiScene* pScene)
 
     if( !isNecessary )
     {
-        DefaultLogger::get()->debug( format() << "SplitByBoneCountProcess early-out: no meshes with more than " << mMaxBoneCount << " bones." );
+        ASSIMP_LOG_DEBUG( format() << "SplitByBoneCountProcess early-out: no meshes with more than " << mMaxBoneCount << " bones." );
         return;
     }
 
@@ -146,7 +146,7 @@ void SplitByBoneCountProcess::Execute( aiScene* pScene)
     // recurse through all nodes and translate the node's mesh indices to fit the new mesh array
     UpdateNode( pScene->mRootNode);
 
-    DefaultLogger::get()->debug( format() << "SplitByBoneCountProcess end: split " << mSubMeshIndices.size() << " meshes into " << meshes.size() << " submeshes." );
+    ASSIMP_LOG_DEBUG( format() << "SplitByBoneCountProcess end: split " << mSubMeshIndices.size() << " meshes into " << meshes.size() << " submeshes." );
 }
 
 // ------------------------------------------------------------------------------------------------

code/SplitLargeMeshes.cpp

@@ -78,7 +78,7 @@ void SplitLargeMeshesProcess_Triangle::Execute( aiScene* pScene)
 {
     if (0xffffffff == this->LIMIT)return;
 
-    DefaultLogger::get()->debug("SplitLargeMeshesProcess_Triangle begin");
+    ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle begin");
     std::vector<std::pair<aiMesh*, unsigned int> > avList;
 
     for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
@@ -96,10 +96,11 @@ void SplitLargeMeshesProcess_Triangle::Execute( aiScene* pScene)
 
         // now we need to update all nodes
         this->UpdateNode(pScene->mRootNode,avList);
-        DefaultLogger::get()->info("SplitLargeMeshesProcess_Triangle finished. Meshes have been split");
+        ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Triangle finished. Meshes have been split");
+    }
+    else {
+        ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Triangle finished. There was nothing to do");
     }
-    else DefaultLogger::get()->debug("SplitLargeMeshesProcess_Triangle finished. There was nothing to do");
-    return;
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -154,7 +155,7 @@ void SplitLargeMeshesProcess_Triangle::SplitMesh(
 {
     if (pMesh->mNumFaces > SplitLargeMeshesProcess_Triangle::LIMIT)
     {
-        DefaultLogger::get()->info("Mesh exceeds the triangle limit. It will be split ...");
+        ASSIMP_LOG_INFO("Mesh exceeds the triangle limit. It will be split ...");
 
         // we need to split this mesh into sub meshes
         // determine the size of a submesh
@@ -378,7 +379,7 @@ void SplitLargeMeshesProcess_Vertex::Execute( aiScene* pScene)
 
     if (0xffffffff == this->LIMIT)return;
 
-    DefaultLogger::get()->debug("SplitLargeMeshesProcess_Vertex begin");
+    ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex begin");
     for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
         this->SplitMesh(a, pScene->mMeshes[a],avList);
 
@@ -394,10 +395,10 @@ void SplitLargeMeshesProcess_Vertex::Execute( aiScene* pScene)
 
         // now we need to update all nodes
         SplitLargeMeshesProcess_Triangle::UpdateNode(pScene->mRootNode,avList);
-        DefaultLogger::get()->info("SplitLargeMeshesProcess_Vertex finished. Meshes have been split");
+        ASSIMP_LOG_INFO("SplitLargeMeshesProcess_Vertex finished. Meshes have been split");
+    } else {
+        ASSIMP_LOG_DEBUG("SplitLargeMeshesProcess_Vertex finished. There was nothing to do");
     }
-    else DefaultLogger::get()->debug("SplitLargeMeshesProcess_Vertex finished. There was nothing to do");
-    return;
 }
 
 // ------------------------------------------------------------------------------------------------

code/Subdivision.cpp

@@ -177,7 +177,7 @@ void CatmullClarkSubdivider::Subdivide (
         aiMesh* i = smesh[s];
         // FIX - mPrimitiveTypes might not yet be initialized
         if (i->mPrimitiveTypes && (i->mPrimitiveTypes & (aiPrimitiveType_LINE|aiPrimitiveType_POINT))==i->mPrimitiveTypes) {
-            DefaultLogger::get()->debug("Catmull-Clark Subdivider: Skipping pure line/point mesh");
+            ASSIMP_LOG_DEBUG("Catmull-Clark Subdivider: Skipping pure line/point mesh");
 
             if (discard_input) {
                 out[s] = i;
@@ -198,12 +198,12 @@ void CatmullClarkSubdivider::Subdivide (
     // checking any ranges.
     ai_assert(inmeshes.size()==outmeshes.size()&&inmeshes.size()==maptbl.size());
     if (inmeshes.empty()) {
-        DefaultLogger::get()->warn("Catmull-Clark Subdivider: Pure point/line scene, I can't do anything");
+        ASSIMP_LOG_WARN("Catmull-Clark Subdivider: Pure point/line scene, I can't do anything");
         return;
     }
     InternSubdivide(&inmeshes.front(),inmeshes.size(),&outmeshes.front(),num);
     for (unsigned int i = 0; i < maptbl.size(); ++i) {
-        ai_assert(outmeshes[i]);
+        ai_assert(nullptr != outmeshes[i]);
         out[maptbl[i]] = outmeshes[i];
     }
 
@@ -342,11 +342,8 @@ void CatmullClarkSubdivider::InternSubdivide (
         // Report the number of bad edges. bad edges are referenced by less than two
         // faces in the mesh. They occur at outer model boundaries in non-closed
         // shapes.
-        char tmp[512];
-        ai_snprintf(tmp, 512, "Catmull-Clark Subdivider: got %u bad edges touching only one face (totally %u edges). ",
-            bad_cnt,static_cast<unsigned int>(edges.size()));
-
-        DefaultLogger::get()->debug(tmp);
+        ASSIMP_LOG_DEBUG_F("Catmull-Clark Subdivider: got ", bad_cnt, " bad edges touching only one face (totally ", 
+            static_cast<unsigned int>(edges.size()), " edges). ");
     }}
 
     // ---------------------------------------------------------------------
@@ -404,7 +401,7 @@ void CatmullClarkSubdivider::InternSubdivide (
                     }
                     ai_assert(haveit);
                     if (!haveit) {
-                        DefaultLogger::get()->debug("Catmull-Clark Subdivider: Index not used");
+                        ASSIMP_LOG_DEBUG("Catmull-Clark Subdivider: Index not used");
                     }
                     break;
                 }
@@ -563,7 +560,7 @@ void CatmullClarkSubdivider::InternSubdivide (
                             // this invariant *must* hold if the vertex-to-face adjacency table is valid
                             ai_assert(haveit);
                             if ( !haveit ) {
-                                DefaultLogger::get()->warn( "OBJ: no name for material library specified." );
+                                ASSIMP_LOG_WARN( "OBJ: no name for material library specified." );
                             }
                         }
 

code/TerragenLoader.cpp

@@ -192,7 +192,7 @@ void TerragenImporter::InternReadFile( const std::string& pFile,
         {
             mode = reader.GetI1();
             if (0 != mode)
-                DefaultLogger::get()->error("TER: Unsupported mapping mode, a flat terrain is returned");
+                ASSIMP_LOG_ERROR("TER: Unsupported mapping mode, a flat terrain is returned");
         }
         // actual terrain data
         else if (!::strncmp(head,AI_TERR_CHUNK_ALTW,4))

code/TextureTransform.cpp

@@ -105,12 +105,10 @@ void TextureTransformStep::PreProcessUVTransform(STransformVecInfo& info)
     if (info.mRotation)
     {
         float out = info.mRotation;
-        if ((rounded = (int)(info.mRotation / (float)AI_MATH_TWO_PI)))
+        if ((rounded = static_cast<int>((info.mRotation / static_cast<float>(AI_MATH_TWO_PI)))))
         {
-            out -= rounded*(float)AI_MATH_PI;
-
-            ai_snprintf(szTemp, 512, "Texture coordinate rotation %f can be simplified to %f",info.mRotation,out);
-            DefaultLogger::get()->info(szTemp);
+            out -= rounded * static_cast<float>(AI_MATH_PI);
+            ASSIMP_LOG_INFO_F("Texture coordinate rotation ", info.mRotation, " can be simplified to ", out);
         }
 
         // Next step - convert negative rotation angles to positives
@@ -150,7 +148,7 @@ void TextureTransformStep::PreProcessUVTransform(STransformVecInfo& info)
             out = 1.f;
         }
         if (szTemp[0])      {
-            DefaultLogger::get()->info(szTemp);
+            ASSIMP_LOG_INFO(szTemp);
             info.mTranslation.x = out;
         }
     }
@@ -183,7 +181,7 @@ void TextureTransformStep::PreProcessUVTransform(STransformVecInfo& info)
             out = 1.f;
         }
         if (szTemp[0])  {
-            DefaultLogger::get()->info(szTemp);
+            ASSIMP_LOG_INFO(szTemp);
             info.mTranslation.y = out;
         }
     }
@@ -221,7 +219,7 @@ inline const char* MappingModeToChar(aiTextureMapMode map)
 // ------------------------------------------------------------------------------------------------
 void TextureTransformStep::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("TransformUVCoordsProcess begin");
+    ASSIMP_LOG_DEBUG("TransformUVCoordsProcess begin");
 
 
     /*  We build a per-mesh list of texture transformations we'll need
@@ -331,7 +329,7 @@ void TextureTransformStep::Execute( aiScene* pScene)
                     }
 
                     if (mesh->mNumUVComponents[info.uvIndex] >= 3){
-                        DefaultLogger::get()->warn("UV transformations on 3D mapping channels are not supported");
+                        ASSIMP_LOG_WARN("UV transformations on 3D mapping channels are not supported");
                         continue;
                     }
 
@@ -416,7 +414,7 @@ void TextureTransformStep::Execute( aiScene* pScene)
                     ++it2;
 
                 if ((*it2).lockedPos != AI_TT_UV_IDX_LOCK_NONE) {
-                    DefaultLogger::get()->error("Channel mismatch, can't compute all transformations properly [design bug]");
+                    ASSIMP_LOG_ERROR("Channel mismatch, can't compute all transformations properly [design bug]");
                     continue;
                 }
 
@@ -449,10 +447,8 @@ void TextureTransformStep::Execute( aiScene* pScene)
         if (size > AI_MAX_NUMBER_OF_TEXTURECOORDS) {
 
             if (!DefaultLogger::isNullLogger()) {
-                ::ai_snprintf(buffer,1024,"%u UV channels required but just %u available",
-                    static_cast<unsigned int>(trafo.size()),AI_MAX_NUMBER_OF_TEXTURECOORDS);
-
-                DefaultLogger::get()->error(buffer);
+                ASSIMP_LOG_ERROR_F(static_cast<unsigned int>(trafo.size()), " UV channels required but just ", 
+                    AI_MAX_NUMBER_OF_TEXTURECOORDS, " available");
             }
             size = AI_MAX_NUMBER_OF_TEXTURECOORDS;
         }
@@ -487,7 +483,7 @@ void TextureTransformStep::Execute( aiScene* pScene)
                     MappingModeToChar ((*it).mapU),
                     MappingModeToChar ((*it).mapV));
 
-                DefaultLogger::get()->info(buffer);
+                ASSIMP_LOG_INFO(buffer);
             }
 
             // Check whether we need a new buffer here
@@ -560,12 +556,10 @@ void TextureTransformStep::Execute( aiScene* pScene)
     if (!DefaultLogger::isNullLogger()) {
 
         if (transformedChannels)    {
-            ::ai_snprintf(buffer,1024,"TransformUVCoordsProcess end: %u output channels (in: %u, modified: %u)",
-                outChannels,inChannels,transformedChannels);
-
-            DefaultLogger::get()->info(buffer);
+            ASSIMP_LOG_INFO_F("TransformUVCoordsProcess end: ", outChannels, " output channels (in: ", inChannels, ", modified: ", transformedChannels,")");
+        } else {
+            ASSIMP_LOG_DEBUG("TransformUVCoordsProcess finished");
         }
-        else DefaultLogger::get()->debug("TransformUVCoordsProcess finished");
     }
 }
 

code/TriangulateProcess.cpp

@@ -100,7 +100,7 @@ bool TriangulateProcess::IsActive( unsigned int pFlags) const
 // Executes the post processing step on the given imported data.
 void TriangulateProcess::Execute( aiScene* pScene)
 {
-    DefaultLogger::get()->debug("TriangulateProcess begin");
+    ASSIMP_LOG_DEBUG("TriangulateProcess begin");
 
     bool bHas = false;
     for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
@@ -110,13 +110,12 @@ void TriangulateProcess::Execute( aiScene* pScene)
         }
     }
     if ( bHas ) {
-        DefaultLogger::get()->info( "TriangulateProcess finished. All polygons have been triangulated." );
+        ASSIMP_LOG_INFO( "TriangulateProcess finished. All polygons have been triangulated." );
     } else {
-        DefaultLogger::get()->debug( "TriangulateProcess finished. There was nothing to be done." );
+        ASSIMP_LOG_DEBUG( "TriangulateProcess finished. There was nothing to be done." );
     }
 }
 
-
 // ------------------------------------------------------------------------------------------------
 // Triangulates the given mesh.
 bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
@@ -410,7 +409,7 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
 
                     // Instead we're continuing with the standard tri-fanning algorithm which we'd
                     // use if we had only convex polygons. That's life.
-                    DefaultLogger::get()->error("Failed to triangulate polygon (no ear found). Probably not a simple polygon?");
+                    ASSIMP_LOG_ERROR("Failed to triangulate polygon (no ear found). Probably not a simple polygon?");
 
 #ifdef AI_BUILD_TRIANGULATE_DEBUG_POLYS
                     fprintf(fout,"critical error here, no ear found! ");
@@ -488,7 +487,7 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
 
             //  drop dumb 0-area triangles
             if (std::fabs(GetArea2D(temp_verts[i[0]],temp_verts[i[1]],temp_verts[i[2]])) < 1e-5f) {
-                DefaultLogger::get()->debug("Dropping triangle with area 0");
+                ASSIMP_LOG_DEBUG("Dropping triangle with area 0");
                 --curOut;
 
                 delete[] f->mIndices;