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closes https://github.com/assimp/assimp/issues/2368: add missign anim mesh for multimaterial meshes in fbx,.

pull/2529/head
Kim Kulling 2019-06-21 18:00:53 +02:00
parent 6b3d6c3b8f
commit 418c07a9bb
3 changed files with 46 additions and 6 deletions
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4
code/CreateAnimMesh.cpp
View File

@ -47,10 +47,10 @@ namespace Assimp {
aiAnimMesh *aiCreateAnimMesh(const aiMesh *mesh)
{
aiAnimMesh *animesh = new aiAnimMesh;
animesh->mVertices = NULL;
/*animesh->mVertices = NULL;
animesh->mNormals = NULL;
animesh->mTangents = NULL;
animesh->mBitangents = NULL;
animesh->mBitangents = NULL;*/
animesh->mNumVertices = mesh->mNumVertices;
if (mesh->mVertices) {
animesh->mVertices = new aiVector3D[animesh->mNumVertices];

44
code/FBXConverter.cpp
View File

@ -1385,6 +1385,50 @@ namespace Assimp {
ConvertWeights(out_mesh, model, mesh, node_global_transform, index, &reverseMapping);
}
std::vector<aiAnimMesh*> animMeshes;
size_t bsIdx(0), bsChannelIdx(0);
for (const BlendShape* blendShape : mesh.GetBlendShapes()) {
for (const BlendShapeChannel* blendShapeChannel : blendShape->BlendShapeChannels()) {
const std::vector<const ShapeGeometry*>& shapeGeometries = blendShapeChannel->GetShapeGeometries();
for (size_t i = 0; i < shapeGeometries.size(); i++) {
aiAnimMesh* animMesh = aiCreateAnimMesh(out_mesh);
const ShapeGeometry* shapeGeometry = shapeGeometries.at(i);
const std::vector<aiVector3D>& vertices = shapeGeometry->GetVertices();
const std::vector<aiVector3D>& normals = shapeGeometry->GetNormals();
const std::vector<unsigned int>& indices = shapeGeometry->GetIndices();
animMesh->mName.Set(FixAnimMeshName(shapeGeometry->Name()));
for (size_t j = 0; j < indices.size(); j++) {
unsigned int index = indices.at(j);
aiVector3D vertex = vertices.at(j);
aiVector3D normal = normals.at(j);
unsigned int count = 0;
const unsigned int* outIndices = mesh.ToOutputVertexIndex(index, count);
for (unsigned int k = 0; k < count; k++) {
unsigned int index = outIndices[k];
animMesh->mVertices[index] += vertex;
if (animMesh->mNormals != nullptr) {
animMesh->mNormals[index] += normal;
animMesh->mNormals[index].NormalizeSafe();
}
}
}
animMesh->mWeight = shapeGeometries.size() > 1 ? blendShapeChannel->DeformPercent() / 100.0f : 1.0f;
animMeshes.push_back(animMesh);
}
bsChannelIdx++;
}
bsIdx++;
}
const size_t numAnimMeshes = animMeshes.size();
if (numAnimMeshes > 0) {
out_mesh->mNumAnimMeshes = static_cast<unsigned int>(numAnimMeshes);
out_mesh->mAnimMeshes = new aiAnimMesh * [numAnimMeshes];
for (size_t i = 0; i < numAnimMeshes; i++) {
out_mesh->mAnimMeshes[i] = animMeshes.at(i);
}
}
return static_cast<unsigned int>(meshes.size() - 1);
}

4
code/FBXParser.cpp
View File

@ -963,7 +963,6 @@ void ParseVectorDataArray(std::vector<float>& out, const Element& el)
}
}
// ------------------------------------------------------------------------------------------------
// read an array of uints
void ParseVectorDataArray(std::vector<unsigned int>& out, const Element& el)
@ -1280,7 +1279,6 @@ float ParseTokenAsFloat(const Token& t)
return i;
}
// ------------------------------------------------------------------------------------------------
// wrapper around ParseTokenAsInt() with ParseError handling
int ParseTokenAsInt(const Token& t)
@ -1293,8 +1291,6 @@ int ParseTokenAsInt(const Token& t)
return i;
}
// ------------------------------------------------------------------------------------------------
// wrapper around ParseTokenAsInt64() with ParseError handling
int64_t ParseTokenAsInt64(const Token& t)