SharedPtr<Model> Model::Clone(const String& cloneName) const
{
SharedPtr<Model> ret(new Model(context_));
ret->SetName(cloneName);
ret->boundingBox_ = boundingBox_;
ret->skeleton_ = skeleton_;
ret->geometryBoneMappings_ = geometryBoneMappings_;
ret->geometryCenters_ = geometryCenters_;
ret->morphs_ = morphs_;
ret->morphRangeStarts_ = morphRangeStarts_;
ret->morphRangeCounts_ = morphRangeCounts_;
// Deep copy vertex/index buffers
HashMap<VertexBuffer*, VertexBuffer*> vbMapping;
for (Vector<SharedPtr<VertexBuffer> >::ConstIterator i = vertexBuffers_.Begin(); i != vertexBuffers_.End(); ++i)
{
VertexBuffer* origBuffer = *i;
SharedPtr<VertexBuffer> cloneBuffer;
if (origBuffer)
{
cloneBuffer = new VertexBuffer(context_);
cloneBuffer->SetSize(origBuffer->GetVertexCount(), origBuffer->GetElementMask(), origBuffer->IsDynamic());
cloneBuffer->SetShadowed(origBuffer->IsShadowed());
if (origBuffer->IsShadowed())
cloneBuffer->SetData(origBuffer->GetShadowData());
else
{
void* origData = origBuffer->Lock(0, origBuffer->GetVertexCount());
if (origData)
cloneBuffer->SetData(origData);
else
URHO3D_LOGERROR("Failed to lock original vertex buffer for copying");
}
vbMapping[origBuffer] = cloneBuffer;
}
ret->vertexBuffers_.Push(cloneBuffer);
}
HashMap<IndexBuffer*, IndexBuffer*> ibMapping;
for (Vector<SharedPtr<IndexBuffer> >::ConstIterator i = indexBuffers_.Begin(); i != indexBuffers_.End(); ++i)
{
IndexBuffer* origBuffer = *i;
SharedPtr<IndexBuffer> cloneBuffer;
if (origBuffer)
{
cloneBuffer = new IndexBuffer(context_);
cloneBuffer->SetSize(origBuffer->GetIndexCount(), origBuffer->GetIndexSize() == sizeof(unsigned),
origBuffer->IsDynamic());
cloneBuffer->SetShadowed(origBuffer->IsShadowed());
if (origBuffer->IsShadowed())
cloneBuffer->SetData(origBuffer->GetShadowData());
else
{
void* origData = origBuffer->Lock(0, origBuffer->GetIndexCount());
if (origData)
cloneBuffer->SetData(origData);
else
URHO3D_LOGERROR("Failed to lock original index buffer for copying");
}
ibMapping[origBuffer] = cloneBuffer;
}
ret->indexBuffers_.Push(cloneBuffer);
}
// Deep copy all the geometry LOD levels and refer to the copied vertex/index buffers
ret->geometries_.Resize(geometries_.Size());
for (unsigned i = 0; i < geometries_.Size(); ++i)
{
ret->geometries_[i].Resize(geometries_[i].Size());
for (unsigned j = 0; j < geometries_[i].Size(); ++j)
{
SharedPtr<Geometry> cloneGeometry;
Geometry* origGeometry = geometries_[i][j];
if (origGeometry)
{
cloneGeometry = new Geometry(context_);
cloneGeometry->SetIndexBuffer(ibMapping[origGeometry->GetIndexBuffer()]);
unsigned numVbs = origGeometry->GetNumVertexBuffers();
for (unsigned k = 0; k < numVbs; ++k)
{
cloneGeometry->SetVertexBuffer(k, vbMapping[origGeometry->GetVertexBuffer(k)]);
}
cloneGeometry->SetDrawRange(origGeometry->GetPrimitiveType(), origGeometry->GetIndexStart(),
origGeometry->GetIndexCount(), origGeometry->GetVertexStart(), origGeometry->GetVertexCount(), false);
cloneGeometry->SetLodDistance(origGeometry->GetLodDistance());
}
ret->geometries_[i][j] = cloneGeometry;
}
}
// Deep copy the morph data (if any) to allow modifying it
for (Vector<ModelMorph>::Iterator i = ret->morphs_.Begin(); i != ret->morphs_.End(); ++i)
{
ModelMorph& morph = *i;
for (HashMap<unsigned, VertexBufferMorph>::Iterator j = morph.buffers_.Begin(); j != morph.buffers_.End(); ++j)
{
VertexBufferMorph& vbMorph = j->second_;
if (vbMorph.dataSize_)
{
SharedArrayPtr<unsigned char> cloneData(new unsigned char[vbMorph.dataSize_]);
memcpy(cloneData.Get(), vbMorph.morphData_.Get(), vbMorph.dataSize_);
vbMorph.morphData_ = cloneData;
}
}
}
ret->SetMemoryUse(GetMemoryUse());
return ret;
}
