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Merge pull request #2752 from thomasbiang/fix_vertex_weighted_repeatedly 

avoid weighting vertex repeatedly when joining identical vertices
pull/2770/head^2
Kim Kulling 2019-12-02 18:44:46 +01:00 committed by GitHub
parent 6117c3f589 4071fcd398
commit fc5e4b22e2
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 2 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);

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;