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Merge branch 'master' of github.com:assimp/assimp

Alexander Gessler 12 年之前
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6260221f0f
共有 4 個文件被更改,包括 84 次插入75 次删除
  1. 43 44
      code/ColladaParser.cpp
  2. 1 0
      code/ObjFileData.h
  3. 3 0
      code/ObjFileImporter.cpp
  4. 37 31
      code/ObjFileMtlImporter.cpp

+ 43 - 44
code/ColladaParser.cpp

@@ -2157,7 +2157,7 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
 
 	// get a pointer to the start of the data object referred to by the accessor and the local index
 	const float* dataObject = &(acc.mData->mValues[0]) + acc.mOffset + pLocalIndex* acc.mStride;
-	
+
 	// assemble according to the accessors component sub-offset list. We don't care, yet,
 	// what kind of object exactly we're extracting here
 	float obj[4];
@@ -2174,80 +2174,79 @@ void ColladaParser::ExtractDataObjectFromChannel( const InputChannel& pInput, si
 				DefaultLogger::get()->error("Collada: just one vertex position stream supported");
 			break;
 		case IT_Normal: 
-      // pad to current vertex count if necessary
-      if( pMesh->mNormals.size() < pMesh->mPositions.size()-1)
-        pMesh->mNormals.insert( pMesh->mNormals.end(), pMesh->mPositions.size() - pMesh->mNormals.size() - 1, aiVector3D( 0, 1, 0));
+			// pad to current vertex count if necessary
+			if( pMesh->mNormals.size() < pMesh->mPositions.size()-1)
+				pMesh->mNormals.insert( pMesh->mNormals.end(), pMesh->mPositions.size() - pMesh->mNormals.size() - 1, aiVector3D( 0, 1, 0));
 
-      // ignore all normal streams except 0 - there can be only one normal
-      if( pInput.mIndex == 0)
+			// ignore all normal streams except 0 - there can be only one normal
+			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");
 			break;
 		case IT_Tangent: 
-      // pad to current vertex count if necessary
-      if( pMesh->mTangents.size() < pMesh->mPositions.size()-1)
-        pMesh->mTangents.insert( pMesh->mTangents.end(), pMesh->mPositions.size() - pMesh->mTangents.size() - 1, aiVector3D( 1, 0, 0));
+			// pad to current vertex count if necessary
+			if( pMesh->mTangents.size() < pMesh->mPositions.size()-1)
+				pMesh->mTangents.insert( pMesh->mTangents.end(), pMesh->mPositions.size() - pMesh->mTangents.size() - 1, aiVector3D( 1, 0, 0));
 
-      // ignore all tangent streams except 0 - there can be only one tangent
-      if( pInput.mIndex == 0)
+			// ignore all tangent streams except 0 - there can be only one tangent
+			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");
 			break;
 		case IT_Bitangent: 
-      // pad to current vertex count if necessary
-      if( pMesh->mBitangents.size() < pMesh->mPositions.size()-1)
-        pMesh->mBitangents.insert( pMesh->mBitangents.end(), pMesh->mPositions.size() - pMesh->mBitangents.size() - 1, aiVector3D( 0, 0, 1));
+			// pad to current vertex count if necessary
+			if( pMesh->mBitangents.size() < pMesh->mPositions.size()-1)
+				pMesh->mBitangents.insert( pMesh->mBitangents.end(), pMesh->mPositions.size() - pMesh->mBitangents.size() - 1, aiVector3D( 0, 0, 1));
 
-      // ignore all bitangent streams except 0 - there can be only one bitangent
-      if( pInput.mIndex == 0)
+			// ignore all bitangent streams except 0 - there can be only one bitangent
+			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");
 			break;
 		case IT_Texcoord: 
-      // up to 4 texture coord sets are fine, ignore the others
+			// up to 4 texture coord sets are fine, ignore the others
 			if( pInput.mIndex < AI_MAX_NUMBER_OF_TEXTURECOORDS) 
-      {
-        // pad to current vertex count if necessary
-        if( pMesh->mTexCoords[pInput.mIndex].size() < pMesh->mPositions.size()-1)
-          pMesh->mTexCoords[pInput.mIndex].insert( pMesh->mTexCoords[pInput.mIndex].end(), 
-            pMesh->mPositions.size() - pMesh->mTexCoords[pInput.mIndex].size() - 1, aiVector3D( 0, 0, 0));
+			{
+				// pad to current vertex count if necessary
+				if( pMesh->mTexCoords[pInput.mIndex].size() < pMesh->mPositions.size()-1)
+					pMesh->mTexCoords[pInput.mIndex].insert( pMesh->mTexCoords[pInput.mIndex].end(), 
+						pMesh->mPositions.size() - pMesh->mTexCoords[pInput.mIndex].size() - 1, aiVector3D( 0, 0, 0));
 
 				pMesh->mTexCoords[pInput.mIndex].push_back( aiVector3D( obj[0], obj[1], obj[2]));
 				if (0 != acc.mSubOffset[2] || 0 != acc.mSubOffset[3]) /* hack ... consider cleaner solution */
 					pMesh->mNumUVComponents[pInput.mIndex]=3;
 			}	else 
-      {
+			{
 				DefaultLogger::get()->error("Collada: too many texture coordinate sets. Skipping.");
-      }
+			}
 			break;
 		case IT_Color: 
-      // up to 4 color sets are fine, ignore the others
+			// up to 4 color sets are fine, ignore the others
 			if( pInput.mIndex < AI_MAX_NUMBER_OF_COLOR_SETS)
-      {
-        // pad to current vertex count if necessary
-        if( pMesh->mColors[pInput.mIndex].size() < pMesh->mPositions.size()-1)
-          pMesh->mColors[pInput.mIndex].insert( pMesh->mColors[pInput.mIndex].end(), 
-            pMesh->mPositions.size() - pMesh->mColors[pInput.mIndex].size() - 1, aiColor4D( 0, 0, 0, 1));
-
-				//pMesh->mColors[pInput.mIndex].push_back( aiColor4D( obj[0], obj[1], obj[2], obj[3])); 
-		aiColor4D result(0, 0, 0, 1);
-		for (size_t i = 0; i < pInput.mResolved->mSize; ++i)
-		{
-			result[i] = obj[pInput.mResolved->mSubOffset[i]];
-		}
-		pMesh->mColors[pInput.mIndex].push_back(result); 
-      } else 
-      {
+			{
+				// pad to current vertex count if necessary
+				if( pMesh->mColors[pInput.mIndex].size() < pMesh->mPositions.size()-1)
+					pMesh->mColors[pInput.mIndex].insert( pMesh->mColors[pInput.mIndex].end(), 
+						pMesh->mPositions.size() - pMesh->mColors[pInput.mIndex].size() - 1, aiColor4D( 0, 0, 0, 1));
+
+				aiColor4D result(0, 0, 0, 1);
+				for (size_t i = 0; i < pInput.mResolved->mSize; ++i)
+				{
+					result[i] = obj[pInput.mResolved->mSubOffset[i]];
+				}
+				pMesh->mColors[pInput.mIndex].push_back(result); 
+			} else 
+			{
 				DefaultLogger::get()->error("Collada: too many vertex color sets. Skipping.");
-      }
+			}
 
 			break;
-	default:
-		// IT_Invalid and IT_Vertex 
-		ai_assert(false && "shouldn't ever get here");
+		default:
+			// IT_Invalid and IT_Vertex 
+			ai_assert(false && "shouldn't ever get here");
 	}
 }
 

+ 1 - 0
code/ObjFileData.h

@@ -157,6 +157,7 @@ struct Material
 	aiString textureSpecular;
 	aiString textureAmbient;
 	aiString textureBump;
+	aiString textureNormal;
 	aiString textureSpecularity;
 	aiString textureOpacity;
 	aiString textureDisp;

+ 3 - 0
code/ObjFileImporter.cpp

@@ -556,6 +556,9 @@ void ObjFileImporter::createMaterials(const ObjFile::Model* pModel, aiScene* pSc
 		if ( 0 != pCurrentMaterial->textureBump.length )
 			mat->AddProperty( &pCurrentMaterial->textureBump, AI_MATKEY_TEXTURE_HEIGHT(0));
 
+		if ( 0 != pCurrentMaterial->textureNormal.length )
+			mat->AddProperty( &pCurrentMaterial->textureNormal, AI_MATKEY_TEXTURE_NORMALS(0));
+
 		if ( 0 != pCurrentMaterial->textureDisp.length )
 			mat->AddProperty( &pCurrentMaterial->textureDisp, AI_MATKEY_TEXTURE_DISPLACEMENT(0) );
 

+ 37 - 31
code/ObjFileMtlImporter.cpp

@@ -49,6 +49,18 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 namespace Assimp	{
 
+// Material specific token
+static const std::string DiffuseTexture      = "map_kd";
+static const std::string AmbientTexture      = "map_ka";
+static const std::string SpecularTexture     = "map_ks";
+static const std::string OpacityTexture      = "map_d";
+static const std::string BumpTexture1        = "map_bump";
+static const std::string BumpTexture2        = "map_Bump";
+static const std::string BumpTexture3        = "bump";
+static const std::string NormalTexture       = "map_Kn";
+static const std::string DisplacementTexture = "disp";
+static const std::string SpecularityTexture  = "map_ns";
+
 // -------------------------------------------------------------------
 //	Constructor
 ObjFileMtlImporter::ObjFileMtlImporter( std::vector<char> &buffer, 
@@ -249,46 +261,40 @@ void ObjFileMtlImporter::createMaterial()
 
 // -------------------------------------------------------------------
 //	Gets a texture name from data.
-void ObjFileMtlImporter::getTexture()
-{
-	aiString *out = NULL;
+void ObjFileMtlImporter::getTexture() {
+	aiString *out( NULL );
 
-	// FIXME: just a quick'n'dirty hack, consider cleanup later
-
-	// Diffuse texture
-	if (!ASSIMP_strincmp(&(*m_DataIt),"map_kd",6))
+	const char *pPtr( &(*m_DataIt) );
+	if ( !ASSIMP_strincmp( pPtr, DiffuseTexture.c_str(), DiffuseTexture.size() ) ) {
+		// Diffuse texture
 		out = & m_pModel->m_pCurrentMaterial->texture;
-
-	// Ambient texture
-	else if (!ASSIMP_strincmp(&(*m_DataIt),"map_ka",6))
+	} else if ( !ASSIMP_strincmp( pPtr,AmbientTexture.c_str(),AmbientTexture.size() ) ) {
+		// Ambient texture
 		out = & m_pModel->m_pCurrentMaterial->textureAmbient;
-
-	// Specular texture
-	else if (!ASSIMP_strincmp(&(*m_DataIt),"map_ks",6))
+	} else if (!ASSIMP_strincmp( pPtr, SpecularTexture.c_str(), SpecularTexture.size())) {
+		// Specular texture
 		out = & m_pModel->m_pCurrentMaterial->textureSpecular;
-
-	// Opacity texture
-	else if (!ASSIMP_strincmp(&(*m_DataIt),"map_d",5))
+	} else if ( !ASSIMP_strincmp( pPtr, OpacityTexture.c_str(), OpacityTexture.size() ) ) {
+		// Opacity texture
 		out = & m_pModel->m_pCurrentMaterial->textureOpacity;
-
-	// Ambient texture
-	else if (!ASSIMP_strincmp(&(*m_DataIt),"map_ka",6))
+	} else if (!ASSIMP_strincmp( pPtr,"map_ka",6)) {
+		// Ambient texture
 		out = & m_pModel->m_pCurrentMaterial->textureAmbient;
-
-	// Bump texture
-	else if (!ASSIMP_strincmp(&(*m_DataIt),"map_bump",8) || !ASSIMP_strincmp(&(*m_DataIt),"bump",4))
+	} else if ( !ASSIMP_strincmp( pPtr, BumpTexture1.c_str(), BumpTexture1.size() ) ||
+		        !ASSIMP_strincmp( pPtr, BumpTexture2.c_str(), BumpTexture2.size() ) || 
+		        !ASSIMP_strincmp( pPtr, BumpTexture3.c_str(), BumpTexture3.size() ) ) {
+		// Bump texture 
 		out = & m_pModel->m_pCurrentMaterial->textureBump;
-
-	// Displacement texture
-	else if (!ASSIMP_strincmp(&(*m_DataIt),"disp",4))
+	} else if (!ASSIMP_strincmp( pPtr,NormalTexture.c_str(), NormalTexture.size())) { 
+		// Normal map
+		out = & m_pModel->m_pCurrentMaterial->textureNormal;
+	} else if (!ASSIMP_strincmp( pPtr, DisplacementTexture.c_str(), DisplacementTexture.size() ) ) {
+		// Displacement texture
 		out = &m_pModel->m_pCurrentMaterial->textureDisp;
-
-	// Specularity scaling (glossiness)
-	else if (!ASSIMP_strincmp(&(*m_DataIt),"map_ns",6))
+	} else if (!ASSIMP_strincmp( pPtr, SpecularityTexture.c_str(),SpecularityTexture.size() ) ) {
+		// Specularity scaling (glossiness)
 		out = & m_pModel->m_pCurrentMaterial->textureSpecularity;
-
-	else
-	{
+	} else {
 		DefaultLogger::get()->error("OBJ/MTL: Encountered unknown texture type");
 		return;
 	}