Merge branch 'master' into jc3-importer-open-error-handling

code/AssetLib/IFC/IFCLoader.cpp

@@ -115,7 +115,7 @@ static const aiImporterDesc desc = {
     0,
     0,
     0,
-    "ifc ifczip stp"
+    "ifc ifczip step stp"
 };
 
 // ------------------------------------------------------------------------------------------------

code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp

@@ -57,6 +57,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <iomanip>
 #include <sstream>
+#include <map>
 
 #ifdef MDL_HALFLIFE_LOG_WARN_HEADER
 #undef MDL_HALFLIFE_LOG_WARN_HEADER

code/Common/BaseImporter.cpp

@@ -65,20 +65,6 @@ using namespace Assimp;
 // Constructor to be privately used by Importer
 BaseImporter::BaseImporter() AI_NO_EXCEPT
         : m_progress() {
-    /**
-    * Assimp Importer
-    * unit conversions available
-    * if you need another measurment unit add it below.
-    * it's currently defined in assimp that we prefer meters.
-    *
-    * NOTE: Initialised here rather than in the header file
-    * to workaround a VS2013 bug with brace initialisers
-    * */
-    importerUnits[ImporterUnits::M] = 1.0;
-    importerUnits[ImporterUnits::CM] = 0.01;
-    importerUnits[ImporterUnits::MM] = 0.001;
-    importerUnits[ImporterUnits::INCHES] = 0.0254;
-    importerUnits[ImporterUnits::FEET] = 0.3048;
 }
 
 // ------------------------------------------------------------------------------------------------

code/PostProcessing/GenFaceNormalsProcess.cpp

@@ -70,6 +70,7 @@ GenFaceNormalsProcess::~GenFaceNormalsProcess() {
 // Returns whether the processing step is present in the given flag field.
 bool GenFaceNormalsProcess::IsActive(unsigned int pFlags) const {
     force_ = (pFlags & aiProcess_ForceGenNormals) != 0;
+    flippedWindingOrder_ = (pFlags & aiProcess_FlipWindingOrder) != 0;
     return (pFlags & aiProcess_GenNormals) != 0;
 }
 
@@ -134,6 +135,8 @@ bool GenFaceNormalsProcess::GenMeshFaceNormals(aiMesh *pMesh) {
         const aiVector3D *pV1 = &pMesh->mVertices[face.mIndices[0]];
         const aiVector3D *pV2 = &pMesh->mVertices[face.mIndices[1]];
         const aiVector3D *pV3 = &pMesh->mVertices[face.mIndices[face.mNumIndices - 1]];
+        if (flippedWindingOrder_)
+            std::swap( pV2, pV3 );
         const aiVector3D vNor = ((*pV2 - *pV1) ^ (*pV3 - *pV1)).NormalizeSafe();
 
         for (unsigned int i = 0; i < face.mNumIndices; ++i) {

code/PostProcessing/GenFaceNormalsProcess.h

@@ -80,6 +80,7 @@ public:
 private:
     bool GenMeshFaceNormals(aiMesh* pcMesh);
     mutable bool force_ = false;
+    mutable bool flippedWindingOrder_ = false;
 };
 
 } // end of namespace Assimp

code/PostProcessing/GenVertexNormalsProcess.cpp

@@ -70,6 +70,7 @@ GenVertexNormalsProcess::~GenVertexNormalsProcess() {
 // Returns whether the processing step is present in the given flag field.
 bool GenVertexNormalsProcess::IsActive(unsigned int pFlags) const {
     force_ = (pFlags & aiProcess_ForceGenNormals) != 0;
+    flippedWindingOrder_ = (pFlags & aiProcess_FlipWindingOrder) != 0;
     return (pFlags & aiProcess_GenSmoothNormals) != 0;
 }
 
@@ -142,6 +143,8 @@ bool GenVertexNormalsProcess::GenMeshVertexNormals(aiMesh *pMesh, unsigned int m
         const aiVector3D *pV1 = &pMesh->mVertices[face.mIndices[0]];
         const aiVector3D *pV2 = &pMesh->mVertices[face.mIndices[1]];
         const aiVector3D *pV3 = &pMesh->mVertices[face.mIndices[face.mNumIndices - 1]];
+        if (flippedWindingOrder_)
+            std::swap( pV2, pV3 );
         const aiVector3D vNor = ((*pV2 - *pV1) ^ (*pV3 - *pV1)).NormalizeSafe();
 
         for (unsigned int i = 0; i < face.mNumIndices; ++i) {

code/PostProcessing/GenVertexNormalsProcess.h

@@ -104,6 +104,7 @@ private:
     /** Configuration option: maximum smoothing angle, in radians*/
     ai_real configMaxAngle;
     mutable bool force_ = false;
+    mutable bool flippedWindingOrder_ = false;
 };
 
 } // end of namespace Assimp

code/PostProcessing/PretransformVertices.cpp

@@ -429,7 +429,7 @@ void PretransformVertices::Execute(aiScene *pScene) {
 	const unsigned int iOldNodes = CountNodes(pScene->mRootNode);
 
 	if (configTransform) {
-		pScene->mRootNode->mTransformation = configTransformation;
+		pScene->mRootNode->mTransformation = configTransformation * pScene->mRootNode->mTransformation;
 	}
 
 	// first compute absolute transformation matrices for all nodes