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Merge branch 'master' into fix_gltf_accessor_overflow

pull/2779/head
Gordon MacPherson 2019-12-03 22:20:19 +00:00 committed by GitHub
parent 7c0f84f484 a8c251fa37
commit bdb89413bc
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 210 additions and 6 deletions
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2
code/Common/Exporter.cpp
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@ -445,7 +445,7 @@ aiReturn Exporter::Export( const aiScene* pScene, const char* pFormatId, const c
ExportProperties emptyProperties; // Never pass NULL ExportProperties so Exporters don't have to worry.
ExportProperties* pProp = pProperties ? (ExportProperties*)pProperties : &emptyProperties;
pProp->SetPropertyBool("bJoinIdenticalVertices", must_join_again);
pProp->SetPropertyBool("bJoinIdenticalVertices", pp & aiProcess_JoinIdenticalVertices);
exp.mExportFunction(pPath,pimpl->mIOSystem.get(),scenecopy.get(), pProp);
pimpl->mProgressHandler->UpdateFileWrite(4, 4);

4
code/Common/Importer.cpp
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@ -493,7 +493,7 @@ const aiScene* Importer::ReadFileFromMemory( const void* pBuffer,
ReadFile(fbuff,pFlags);
SetIOHandler(io);
ASSIMP_END_EXCEPTION_REGION(const aiScene*);
ASSIMP_END_EXCEPTION_REGION_WITH_ERROR_STRING(const aiScene*, pimpl->mErrorString);
return pimpl->mScene;
}
@ -710,7 +710,7 @@ const aiScene* Importer::ReadFile( const char* _pFile, unsigned int pFlags)
#endif // ! ASSIMP_CATCH_GLOBAL_EXCEPTIONS
// either successful or failure - the pointer expresses it anyways
ASSIMP_END_EXCEPTION_REGION(const aiScene*);
ASSIMP_END_EXCEPTION_REGION_WITH_ERROR_STRING(const aiScene*, pimpl->mErrorString);
return pimpl->mScene;
}

5
code/FBX/FBXExporter.cpp
View File

@ -1860,6 +1860,7 @@ void FBXExporter::WriteObjects ()
sdnode.AddChild("Version", int32_t(100));
sdnode.AddChild("UserData", "", "");
std::set<int32_t> setWeightedVertex;
// add indices and weights, if any
if (b) {
std::vector<int32_t> subdef_indices;
@ -1867,7 +1868,8 @@ void FBXExporter::WriteObjects ()
int32_t last_index = -1;
for (size_t wi = 0; wi < b->mNumWeights; ++wi) {
int32_t vi = vertex_indices[b->mWeights[wi].mVertexId];
if (vi == last_index) {
bool bIsWeightedAlready = (setWeightedVertex.find(vi) != setWeightedVertex.end());
if (vi == last_index || bIsWeightedAlready) {
// only for vertices we exported to fbx
// TODO, FIXME: this assumes identically-located vertices
// will always deform in the same way.
@ -1877,6 +1879,7 @@ void FBXExporter::WriteObjects ()
// identical vertex.
continue;
}
setWeightedVertex.insert(vi);
subdef_indices.push_back(vi);
subdef_weights.push_back(b->mWeights[wi].mWeight);
last_index = vi;

5
code/glTF2/glTF2Asset.inl
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@ -270,13 +270,14 @@ Ref<T> LazyDict<T>::Retrieve(unsigned int i)
throw DeadlyImportError("GLTF: Object at index \"" + to_string(i) + "\" is not a JSON object");
}
T* inst = new T();
// Unique ptr prevents memory leak in case of Read throws an exception
auto inst = std::unique_ptr<T>(new T());
inst->id = std::string(mDictId) + "_" + to_string(i);
inst->oIndex = i;
ReadMember(obj, "name", inst->name);
inst->Read(obj, mAsset);
return Add(inst);
return Add(inst.release());
}
template<class T>

10
include/assimp/Exceptional.h
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@ -119,6 +119,16 @@ struct ExceptionSwallower<void> {
{\
try {
#define ASSIMP_END_EXCEPTION_REGION_WITH_ERROR_STRING(type, ASSIMP_END_EXCEPTION_REGION_errorString)\
} catch(const DeadlyImportError& e) {\
ASSIMP_END_EXCEPTION_REGION_errorString = e.what();\
return ExceptionSwallower<type>()();\
} catch(...) {\
ASSIMP_END_EXCEPTION_REGION_errorString = "Unknown exception";\
return ExceptionSwallower<type>()();\
}\
}
#define ASSIMP_END_EXCEPTION_REGION(type)\
} catch(...) {\
return ExceptionSwallower<type>()();\

181
test/models/glTF2/MissingBin/BoxTextured.gltf 100644
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@ -0,0 +1,181 @@
{
"asset": {
"generator": "COLLADA2GLTF",
"version": "2.0"
},
"scene": 0,
"scenes": [
{
"nodes": [
0
]
}
],
"nodes": [
{
"children": [
1
],
"matrix": [
1.0,
0.0,
0.0,
0.0,
0.0,
0.0,
-1.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
0.0,
1.0
]
},
{
"mesh": 0
}
],
"meshes": [
{
"primitives": [
{
"attributes": {
"NORMAL": 1,
"POSITION": 2,
"TEXCOORD_0": 3
},
"indices": 0,
"mode": 4,
"material": 0
}
],
"name": "Mesh"
}
],
"accessors": [
{
"bufferView": 0,
"byteOffset": 0,
"componentType": 5123,
"count": 36,
"max": [
23
],
"min": [
0
],
"type": "SCALAR"
},
{
"bufferView": 1,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"max": [
1.0,
1.0,
1.0
],
"min": [
-1.0,
-1.0,
-1.0
],
"type": "VEC3"
},
{
"bufferView": 1,
"byteOffset": 288,
"componentType": 5126,
"count": 24,
"max": [
0.5,
0.5,
0.5
],
"min": [
-0.5,
-0.5,
-0.5
],
"type": "VEC3"
},
{
"bufferView": 2,
"byteOffset": 0,
"componentType": 5126,
"count": 24,
"max": [
6.0,
1.0
],
"min": [
0.0,
0.0
],
"type": "VEC2"
}
],
"materials": [
{
"pbrMetallicRoughness": {
"baseColorTexture": {
"index": 0
},
"metallicFactor": 0.0
},
"name": "Texture"
}
],
"textures": [
{
"sampler": 0,
"source": 0
}
],
"images": [
{
"uri": "CesiumLogoFlat.png"
}
],
"samplers": [
{
"magFilter": 9729,
"minFilter": 9986,
"wrapS": 33648,
"wrapT": 33071
}
],
"bufferViews": [
{
"buffer": 0,
"byteOffset": 768,
"byteLength": 72,
"target": 34963
},
{
"buffer": 0,
"byteOffset": 0,
"byteLength": 576,
"byteStride": 12,
"target": 34962
},
{
"buffer": 0,
"byteOffset": 576,
"byteLength": 192,
"byteStride": 8,
"target": 34962
}
],
"buffers": [
{
"byteLength": 840,
"uri": "BoxTextured0.bin"
}
]
}

9
test/unit/utglTF2ImportExport.cpp
View File

@ -426,4 +426,13 @@ TEST_F( utglTF2ImportExport, crash_in_anim_mesh_destructor ) {
ASSERT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Sample-Models/AnimatedMorphCube-glTF/AnimatedMorphCube_out.glTF"));
}
TEST_F(utglTF2ImportExport, error_string_preserved) {
Assimp::Importer importer;
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/MissingBin/BoxTextured.gltf",
aiProcess_ValidateDataStructure);
ASSERT_EQ(nullptr, scene);
std::string error = importer.GetErrorString();
ASSERT_NE(error.find("BoxTextured0.bin"), std::string::npos) << "Error string should contain an error about missing .bin file";
}
#endif // ASSIMP_BUILD_NO_EXPORT