Merge branch 'master' into issue_3165

code/AssetLib/FBX/FBXConverter.cpp

@@ -1163,7 +1163,8 @@ unsigned int FBXConverter::ConvertMeshSingleMaterial(const MeshGeometry &mesh, c
                 const std::vector<aiVector3D> &curVertices = shapeGeometry->GetVertices();
                 const std::vector<aiVector3D> &curNormals = shapeGeometry->GetNormals();
                 const std::vector<unsigned int> &curIndices = shapeGeometry->GetIndices();
-                animMesh->mName.Set(FixAnimMeshName(shapeGeometry->Name()));
+                //losing channel name if using shapeGeometry->Name()
+                animMesh->mName.Set(FixAnimMeshName(blendShapeChannel->Name()));
                 for (size_t j = 0; j < curIndices.size(); j++) {
                     const unsigned int curIndex = curIndices.at(j);
                     aiVector3D vertex = curVertices.at(j);

code/AssetLib/glTF2/glTF2Asset.inl

@@ -722,7 +722,7 @@ template <class T>
 void Accessor::ExtractData(T *&outData) {
     uint8_t *data = GetPointer();
     if (!data) {
-        throw DeadlyImportError("GLTF: data is NULL");
+        throw DeadlyImportError("GLTF2: data is nullptr.");
     }
 
     const size_t elemSize = GetElementSize();

code/AssetLib/glTF2/glTF2AssetWriter.inl

@@ -468,6 +468,22 @@ namespace glTF2 {
         }
 
         obj.AddMember("primitives", primitives, w.mAl);
+        // targetNames
+        if (m.targetNames.size() > 0) {
+            Value extras;
+            extras.SetObject();
+            Value targetNames;
+            targetNames.SetArray();
+            targetNames.Reserve(unsigned(m.targetNames.size()), w.mAl);
+            for (unsigned int n = 0; n < m.targetNames.size(); ++n) {
+                std::string name = m.targetNames[n];
+                Value tname;
+                tname.SetString(name.c_str(), w.mAl);
+                targetNames.PushBack(tname, w.mAl);
+            }
+            extras.AddMember("targetNames", targetNames, w.mAl);
+            obj.AddMember("extras", extras, w.mAl);
+        }
     }
 
     inline void Write(Value& obj, Node& n, AssetWriter& w)

code/AssetLib/glTF2/glTF2Exporter.cpp

@@ -824,9 +824,14 @@ void glTF2Exporter::ExportMeshes()
 
         /*************** Targets for blendshapes ****************/
         if (aim->mNumAnimMeshes > 0) {
+            bool bExportTargetNames = this->mProperties->HasPropertyBool("GLTF2_TARGETNAMES_EXP") &&
+                              this->mProperties->GetPropertyBool("GLTF2_TARGETNAMES_EXP");
+
             p.targets.resize(aim->mNumAnimMeshes);
             for (unsigned int am = 0; am < aim->mNumAnimMeshes; ++am) {
                 aiAnimMesh *pAnimMesh = aim->mAnimMeshes[am];
+                if (bExportTargetNames)
+                    m->targetNames.push_back(pAnimMesh->mName.data);
 
                 // position
                 if (pAnimMesh->HasPositions()) {

code/AssetLib/glTF2/glTF2Importer.cpp

@@ -416,6 +416,11 @@ void glTF2Importer::ImportMeshes(glTF2::Asset &r) {
 				attr.color[c]->ExtractData(aim->mColors[c]);
 			}
 			for (size_t tc = 0; tc < attr.texcoord.size() && tc < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++tc) {
+                if (!attr.texcoord[tc]) {
+                    DefaultLogger::get()->warn("Texture coordinate accessor not found or non-contiguous texture coordinate sets.");
+                    continue;
+                }
+
 				if (attr.texcoord[tc]->count != aim->mNumVertices) {
 					DefaultLogger::get()->warn("Texcoord stream size in mesh \"" + mesh.name +
 											   "\" does not match the vertex count");

port/PyAssimp/README.md

@@ -42,17 +42,14 @@ substituted by assertions ...):
 
 ```python
 
-from pyassimp import *
-scene = load('hello.3ds')
+from pyassimp import load
+with load('hello.3ds') as scene:
 
-assert len(scene.meshes)
-mesh = scene.meshes[0]
+  assert len(scene.meshes)
+  mesh = scene.meshes[0]
 
-assert len(mesh.vertices)
-print(mesh.vertices[0])
-
-# don't forget this one, or you will leak!
-release(scene)
+  assert len(mesh.vertices)
+  print(mesh.vertices[0])
 
 ```
 
@@ -61,14 +58,12 @@ scene:
 
 ```python
 
-from pyassimp import *
-scene = load('hello.3ds')
+from pyassimp import load
+with load('hello.3ds') as scene:
 
-for c in scene.rootnode.children:
+  for c in scene.rootnode.children:
       print(str(c))
 
-release(scene)
-
 ```
 
 INSTALL

port/PyAssimp/README.rst

@@ -49,8 +49,8 @@ substituted by assertions ...):
 .. code:: python
 
 
-    from pyassimp import *
-    scene = load('hello.3ds')
+    from pyassimp import load
+    with load('hello.3ds') as scene:
 
         assert len(scene.meshes)
         mesh = scene.meshes[0]
@@ -58,21 +58,18 @@ substituted by assertions ...):
         assert len(mesh.vertices)
         print(mesh.vertices[0])
 
-    # don't forget this one, or you will leak!
-    release(scene)
 
 Another example to list the 'top nodes' in a scene:
 
 .. code:: python
 
 
-    from pyassimp import *
-    scene = load('hello.3ds')
+    from pyassimp import load
+    with load('hello.3ds') as scene:
 
         for c in scene.rootnode.children:
             print(str(c))
 
-    release(scene)
 
 INSTALL
 -------

port/PyAssimp/pyassimp/core.py

@@ -14,10 +14,13 @@ if sys.version_info >= (3,0):
     xrange = range
 
 
-try: import numpy
-except ImportError: numpy = None
+try: 
+    import numpy
+except ImportError: 
+    numpy = None
 import logging
 import ctypes
+from contextlib import contextmanager
 logger = logging.getLogger("pyassimp")
 # attach default null handler to logger so it doesn't complain
 # even if you don't attach another handler to logger
@@ -272,6 +275,13 @@ def recur_pythonize(node, scene):
     for c in node.children:
         recur_pythonize(c, scene)
 
+def release(scene):
+    '''
+    Release resources of a loaded scene.
+    '''
+    _assimp_lib.release(ctypes.pointer(scene))
+
+@contextmanager
 def load(filename,
          file_type  = None,
          processing = postprocess.aiProcess_Triangulate):
@@ -319,7 +329,10 @@ def load(filename,
         raise AssimpError('Could not import file!')
     scene = _init(model.contents)
     recur_pythonize(scene.rootnode, scene)
-    return scene
+    try:
+        yield scene
+    finally:
+        release(scene)
 
 def export(scene,
            filename,
@@ -373,9 +386,6 @@ def export_blob(scene,
         raise AssimpError('Could not export scene to blob!')
     return exportBlobPtr
 
-def release(scene):
-    _assimp_lib.release(ctypes.pointer(scene))
-
 def _finalize_texture(tex, target):
     setattr(target, "achformathint", tex.achFormatHint)
     if numpy:

test/unit/utglTF2ImportExport.cpp

@@ -534,3 +534,10 @@ TEST_F(utglTF2ImportExport, norootnode_scenewithoutnodes) {
     ASSERT_NE(scene, nullptr);
     ASSERT_NE(scene->mRootNode, nullptr);
 }
+
+// Shall not crash!
+TEST_F(utglTF2ImportExport, norootnode_issue_3269) {
+    Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/issue_3269/texcoord_crash.gltf", aiProcess_ValidateDataStructure);
+    ASSERT_EQ(scene, nullptr);
+}