void convertOpenCOLLADAMesh(COLLADAFW::Mesh* openCOLLADAMesh,
MeshVector &meshes)
{
shared_ptr <GLTF::GLTFMesh> cvtMesh(new GLTF::GLTFMesh());
cvtMesh->setID(openCOLLADAMesh->getOriginalId());
cvtMesh->setName(openCOLLADAMesh->getName());
const COLLADAFW::MeshPrimitiveArray& primitives = openCOLLADAMesh->getMeshPrimitives();
size_t primitiveCount = primitives.getCount();
std::vector< shared_ptr<IndicesVector> > allPrimitiveIndicesVectors;
// get all primitives
for (size_t i = 0 ; i < primitiveCount ; i++) {
const COLLADAFW::MeshPrimitive::PrimitiveType primitiveType = primitives[i]->getPrimitiveType();
if ((primitiveType != COLLADAFW::MeshPrimitive::TRIANGLES) &&
(primitiveType != COLLADAFW::MeshPrimitive::TRIANGLE_STRIPS) &&
(primitiveType != COLLADAFW::MeshPrimitive::POLYLIST) &&
(primitiveType != COLLADAFW::MeshPrimitive::POLYGONS))
continue;
shared_ptr <GLTF::IndicesVector> primitiveIndicesVector(new GLTF::IndicesVector());
allPrimitiveIndicesVectors.push_back(primitiveIndicesVector);
shared_ptr <GLTF::GLTFPrimitive> primitive = ConvertOpenCOLLADAMeshPrimitive(primitives[i],*primitiveIndicesVector);
cvtMesh->appendPrimitive(primitive);
VertexAttributeVector vertexAttributes = primitive->getVertexAttributes();
primitiveIndicesVector = allPrimitiveIndicesVectors[i];
// once we got a primitive, keep track of its meshAttributes
std::vector< shared_ptr<GLTF::GLTFIndices> > allIndices = *primitiveIndicesVector;
for (size_t k = 0 ; k < allIndices.size() ; k++) {
shared_ptr<GLTF::GLTFIndices> indices = allIndices[k];
GLTF::Semantic semantic = vertexAttributes[k]->getSemantic();
GLTF::IndexSetToMeshAttributeHashmap& meshAttributes = cvtMesh->getMeshAttributesForSemantic(semantic);
switch (semantic) {
case GLTF::POSITION:
ConvertOpenCOLLADAMeshVertexDataToGLTFMeshAttributes(openCOLLADAMesh->getPositions(), meshAttributes);
break;
case GLTF::NORMAL:
ConvertOpenCOLLADAMeshVertexDataToGLTFMeshAttributes(openCOLLADAMesh->getNormals(), meshAttributes);
break;
case GLTF::TEXCOORD:
ConvertOpenCOLLADAMeshVertexDataToGLTFMeshAttributes(openCOLLADAMesh->getUVCoords(), meshAttributes);
break;
case GLTF::COLOR:
ConvertOpenCOLLADAMeshVertexDataToGLTFMeshAttributes(openCOLLADAMesh->getColors(), meshAttributes);
break;
default:
break;
}
cvtMesh->setMeshAttributesForSemantic(semantic, meshAttributes);
}
}
//https://github.com/KhronosGroup/collada2json/issues/41
//Goes through all texcoord and invert V
GLTF::IndexSetToMeshAttributeHashmap& texcoordMeshAttributes = cvtMesh->getMeshAttributesForSemantic(GLTF::TEXCOORD);
GLTF::IndexSetToMeshAttributeHashmap::const_iterator meshAttributeIterator;
//FIXME: consider turn this search into a method for mesh
for (meshAttributeIterator = texcoordMeshAttributes.begin() ; meshAttributeIterator != texcoordMeshAttributes.end() ; meshAttributeIterator++) {
//(*it).first; // the key value (of type Key)
//(*it).second; // the mapped value (of type T)
shared_ptr <GLTF::GLTFMeshAttribute> meshAttribute = (*meshAttributeIterator).second;
meshAttribute->apply(__InvertV, NULL);
}
if (cvtMesh->getPrimitives().size() > 0) {
//After this point cvtMesh should be referenced anymore and will be deallocated
shared_ptr <GLTF::GLTFMesh> unifiedMesh = createUnifiedIndexesMeshFromMesh(cvtMesh.get(), allPrimitiveIndicesVectors);
if (createMeshesWithMaximumIndicesCountFromMeshIfNeeded(unifiedMesh.get(), 65535, meshes) == false) {
meshes.push_back(unifiedMesh);
}
}
}
shared_ptr<GLTFMesh> convertOpenCOLLADAMesh(COLLADAFW::Mesh* openCOLLADAMesh, GLTFAsset* asset) {
shared_ptr <GLTF::GLTFMesh> cvtMesh(new GLTF::GLTFMesh());
cvtMesh->setID(openCOLLADAMesh->getOriginalId());
cvtMesh->setName(openCOLLADAMesh->getName());
const COLLADAFW::MeshPrimitiveArray& primitives = openCOLLADAMesh->getMeshPrimitives();
size_t primitiveCount = primitives.getCount();
std::vector< shared_ptr<IndicesVector> > allPrimitiveIndicesVectors;
// get all primitives
for (size_t i = 0 ; i < primitiveCount ; i++) {
const COLLADAFW::MeshPrimitive::PrimitiveType primitiveType = primitives[i]->getPrimitiveType();
if ((primitiveType != COLLADAFW::MeshPrimitive::TRIANGLES) &&
//(primitiveType != COLLADAFW::MeshPrimitive::TRIANGLE_STRIPS) &&
(primitiveType != COLLADAFW::MeshPrimitive::POLYLIST) &&
(primitiveType != COLLADAFW::MeshPrimitive::POLYGONS)) {
static bool printedOnce = false;
if (!printedOnce) {
if (asset->converterConfig()->boolForKeyPath("verboseLogging")) {
asset->log("WARNING: some primitives failed to convert\nCurrently supported are TRIANGLES, POLYLIST and POLYGONS\nMore: https://github.com/KhronosGroup/glTF/issues/129\nand https://github.com/KhronosGroup/glTF/issues/135\n");
printedOnce = true;
}
}
continue;
}
shared_ptr <GLTF::IndicesVector> primitiveIndicesVector(new GLTF::IndicesVector());
allPrimitiveIndicesVectors.push_back(primitiveIndicesVector);
shared_ptr <GLTF::GLTFPrimitive> primitive = __ConvertOpenCOLLADAMeshPrimitive(primitives[i],*primitiveIndicesVector, asset->profile());
cvtMesh->appendPrimitive(primitive);
VertexAttributeVector vertexAttributes = primitive->getVertexAttributes();
primitiveIndicesVector = allPrimitiveIndicesVectors[allPrimitiveIndicesVectors.size()-1];
// once we got a primitive, keep track of its meshAttributes
std::vector< shared_ptr<GLTF::GLTFAccessor> > allIndices = *primitiveIndicesVector;
for (size_t k = 0 ; k < allIndices.size() ; k++) {
shared_ptr<GLTF::GLTFAccessor> indices = allIndices[k];
GLTF::Semantic semantic = vertexAttributes[k]->getSemantic();
switch (semantic) {
case GLTF::POSITION:
__ConvertOpenCOLLADAMeshVertexDataToGLTFAccessors(openCOLLADAMesh->getPositions(), cvtMesh.get(), GLTF::POSITION, 3, asset->profile());
break;
case GLTF::NORMAL:
__ConvertOpenCOLLADAMeshVertexDataToGLTFAccessors(openCOLLADAMesh->getNormals(), cvtMesh.get(), GLTF::NORMAL, 3, asset->profile());
break;
case GLTF::TEXCOORD:
__ConvertOpenCOLLADAMeshVertexDataToGLTFAccessors(openCOLLADAMesh->getUVCoords(), cvtMesh.get(), GLTF::TEXCOORD, 2, asset->profile());
break;
case GLTF::COLOR:
__ConvertOpenCOLLADAMeshVertexDataToGLTFAccessors(openCOLLADAMesh->getColors(), cvtMesh.get(), GLTF::COLOR, 4, asset->profile());
break;
case GLTF::TEXBINORMAL:
__ConvertOpenCOLLADAMeshVertexDataToGLTFAccessors(openCOLLADAMesh->getBinormals(), cvtMesh.get(), GLTF::TEXBINORMAL, 3, asset->profile());
break;
case GLTF::TEXTANGENT:
__ConvertOpenCOLLADAMeshVertexDataToGLTFAccessors(openCOLLADAMesh->getTangents(), cvtMesh.get(), GLTF::TEXTANGENT, 3, asset->profile());
break;
default:
break;
}
}
}
if (cvtMesh->getPrimitivesCount() > 0) {
//After this point cvtMesh should be referenced anymore and will be deallocated
return createUnifiedIndexesMeshFromMesh(cvtMesh.get(), allPrimitiveIndicesVectors, asset->profile());
}
return nullptr;
}