Fixing more warnings

code/AssetLib/IFC/IFCReaderGen1_2x3.cpp

@@ -45,6 +45,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "IFCReaderGen_2x3.h"
 
+#if _MSC_VER
+#    pragma warning(push)
+#    pragma warning(disable : 4702)
+#endif // _MSC_VER
+
 namespace Assimp {
 
 using namespace ::Assimp::IFC;
@@ -3165,4 +3170,8 @@ template <> size_t GenericFill<IfcLightSourceDirectional>(const DB& db, const LI
 } // ! STEP
 } // ! Assimp
 
+#if _MSC_VER
+#    pragma warning(pop)
+#endif // _MSC_VER
+
 #endif

code/AssetLib/IFC/IFCReaderGen2_2x3.cpp

@@ -43,6 +43,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "IFCReaderGen_2x3.h"
 
+#if _MSC_VER
+#    pragma warning(push)
+#    pragma warning(disable : 4702)
+#endif // _MSC_VER
+
 namespace Assimp {
 using namespace IFC;
 using namespace ::Assimp::IFC::Schema_2x3;
@@ -1915,4 +1920,8 @@ template <> size_t GenericFill<IfcConditionCriterion>(const DB& db, const LIST&
 } // ! STEP
 } // ! Assimp
 
+#if _MSC_VER
+#    pragma warning(pop)
+#endif // _MSC_VER
+
 #endif

code/AssetLib/M3D/m3d.h

@@ -686,7 +686,11 @@ typedef struct
 } _m3dstbi__result_info;
 
 #define STBI_ASSERT(v)
-#define STBI_NOTUSED(v) (void)sizeof(v)
+#ifdef _MSC_VER
+#define STBI_NOTUSED(v)  (void)(v)
+#else
+#define STBI_NOTUSED(v)  (void)sizeof(v)
+#endif
 #define STBI__BYTECAST(x) ((unsigned char)((x)&255))
 #define STBI_MALLOC(sz) M3D_MALLOC(sz)
 #define STBI_REALLOC(p, newsz) M3D_REALLOC(p, newsz)
@@ -699,10 +703,6 @@ _inline static unsigned char _m3dstbi__get8(_m3dstbi__context *s) {
     return 0;
 }
 
-_inline static int _m3dstbi__at_eof(_m3dstbi__context *s) {
-    return s->img_buffer >= s->img_buffer_end;
-}
-
 static void _m3dstbi__skip(_m3dstbi__context *s, int n) {
     if (n < 0) {
         s->img_buffer = s->img_buffer_end;
@@ -4347,7 +4347,7 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
     char vc_s, vi_s, si_s, ci_s, ti_s, bi_s, nb_s, sk_s, fc_s, hi_s, fi_s;
     char *sn = NULL, *sl = NULL, *sa = NULL, *sd = NULL;
     unsigned char *out = NULL, *z = NULL, weights[M3D_NUMBONE], *norm = NULL;
-    unsigned int i, j, k, l, n, len, chunklen, *length;
+    unsigned int i = 0, j = 0, k = 0, l = 0, n = 0, len = 0, chunklen = 0, *length = NULL;
     M3D_FLOAT scale = (M3D_FLOAT)0.0, min_x, max_x, min_y, max_y, min_z, max_z;
     M3D_INDEX last, *vrtxidx = NULL, *mtrlidx = NULL, *tmapidx = NULL, *skinidx = NULL;
     uint32_t idx, numcmap = 0, *cmap = NULL, numvrtx = 0, maxvrtx = 0, numtmap = 0, maxtmap = 0, numproc = 0;
@@ -5578,9 +5578,9 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                         } else
                             out--;
                         break;
-                    case m3dpf_uint8: *out++ = m->prop[i].value.num; break;
+                    case m3dpf_uint8: *out++ = (uint8_t)m->prop[i].value.num; break;
                     case m3dpf_uint16:
-                        *((uint16_t *)out) = m->prop[i].value.num;
+                        *((uint16_t *)out) = (uint16_t)m->prop[i].value.num;
                         out += 2;
                         break;
                     case m3dpf_uint32:
@@ -5655,7 +5655,7 @@ unsigned char *m3d_save(m3d_t *model, int quality, int flags, unsigned int *size
                              face[i].data.normal[1] == M3D_UNDEF || face[i].data.normal[2] == M3D_UNDEF) ?
                                     0 :
                                     2);
-                *out++ = k;
+                *out++ = (uint8_t)k;
                 for (j = 0; j < 3; j++) {
                     out = _m3d_addidx(out, vi_s, vrtxidx[face[i].data.vertex[j]]);
                     if (k & 1)
@@ -6149,7 +6149,7 @@ public:
 
 #endif /* M3D_CPPWRAPPER */
 
-#ifdef _MSC_VER
+#if _MSC_VER > 1920 && !defined(__clang__)
 #    pragma warning(pop)
 #endif /* _MSC_VER */
 

code/AssetLib/glTF/glTFExporter.cpp

@@ -542,10 +542,12 @@ void glTFExporter::ExportMeshes()
 
     // Variables needed for compression. BEGIN.
     // Indices, not pointers - because pointer to buffer is changing while writing to it.
+#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC
     size_t idx_srcdata_begin = 0; // Index of buffer before writing mesh data. Also, index of begin of coordinates array in buffer.
     size_t idx_srcdata_normal = SIZE_MAX;// Index of begin of normals array in buffer. SIZE_MAX - mean that mesh has no normals.
-    std::vector<size_t> idx_srcdata_tc;// Array of indices. Every index point to begin of texture coordinates array in buffer.
     size_t idx_srcdata_ind;// Index of begin of coordinates indices array in buffer.
+#endif
+    std::vector<size_t> idx_srcdata_tc;// Array of indices. Every index point to begin of texture coordinates array in buffer.
     bool comp_allow;// Point that data of current mesh can be compressed.
     // Variables needed for compression. END.
 
@@ -615,13 +617,17 @@ void glTFExporter::ExportMeshes()
 
 		/******************* Vertices ********************/
 		// If compression is used then you need parameters of uncompressed region: begin and size. At this step "begin" is stored.
+#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC
 		if(comp_allow) idx_srcdata_begin = b->byteLength;
+#endif
 
         Ref<Accessor> v = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mVertices, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT, BufferViewTarget_ARRAY_BUFFER);
 		if (v) p.attributes.position.push_back(v);
 
 		/******************** Normals ********************/
+#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC
 		if(comp_allow && (aim->mNormals != 0)) idx_srcdata_normal = b->byteLength;// Store index of normals array.
+#endif
 
 		Ref<Accessor> n = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mNormals, AttribType::VEC3, AttribType::VEC3, ComponentType_FLOAT, BufferViewTarget_ARRAY_BUFFER);
 		if (n) p.attributes.normal.push_back(n);
@@ -646,7 +652,9 @@ void glTFExporter::ExportMeshes()
 		}
 
 		/*************** Vertices indices ****************/
+#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC
 		idx_srcdata_ind = b->byteLength;// Store index of indices array.
+#endif
 
 		if (aim->mNumFaces > 0) {
 			std::vector<IndicesType> indices;

code/AssetLib/glTF2/glTF2Asset.h

@@ -804,7 +804,7 @@ struct CustomExtension : public Object {
     Nullable<std::vector<CustomExtension>> mValues;
 
     operator bool() const {
-        return Size();
+        return Size() != 0;
     }
 
     size_t Size() const {