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Implement prefab detection of skinned models

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alsed
2025-08-30 08:51:21 -04:00
parent 4ca399af71
commit 9a363e2882
2 changed files with 47 additions and 16 deletions
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23
Source/Engine/Tools/ModelTool/ModelTool.cpp
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@@ -1131,7 +1131,7 @@ bool ModelTool::ImportModel(const String& path, ModelData& data, Options& option
options.ImportTypes |= ImportDataTypes::Skeleton;
break;
case ModelType::Prefab:
options.ImportTypes = ImportDataTypes::Geometry | ImportDataTypes::Nodes | ImportDataTypes::Animations;
options.ImportTypes = ImportDataTypes::Geometry | ImportDataTypes::Nodes | ImportDataTypes::Skeleton | ImportDataTypes::Animations;
if (options.ImportMaterials)
options.ImportTypes |= ImportDataTypes::Materials;
if (options.ImportTextures)
@@ -1157,6 +1157,9 @@ bool ModelTool::ImportModel(const String& path, ModelData& data, Options& option
{
for (auto& mesh : lod.Meshes)
{
if (mesh->BlendShapes.IsEmpty())
continue;
for (int32 blendShapeIndex = mesh->BlendShapes.Count() - 1; blendShapeIndex >= 0; blendShapeIndex--)
{
auto& blendShape = mesh->BlendShapes[blendShapeIndex];
@@ -2111,12 +2114,13 @@ bool ModelTool::ImportModel(const String& path, ModelData& data, Options& option
#undef REMAP_VERTEX_BUFFER
// Remap blend shapes
dstMesh->BlendShapes.Resize(srcMesh->BlendShapes.Count());
dstMesh->BlendShapes.Clear();
dstMesh->BlendShapes.EnsureCapacity(srcMesh->BlendShapes.Count(), false);
for (int32 blendShapeIndex = 0; blendShapeIndex < srcMesh->BlendShapes.Count(); blendShapeIndex++)
{
const auto& srcBlendShape = srcMesh->BlendShapes[blendShapeIndex];
auto& dstBlendShape = dstMesh->BlendShapes[blendShapeIndex];
//auto& dstBlendShape = dstMesh->BlendShapes[blendShapeIndex];
BlendShape dstBlendShape;
dstBlendShape.Name = srcBlendShape.Name;
dstBlendShape.Weight = srcBlendShape.Weight;
dstBlendShape.Vertices.EnsureCapacity(srcBlendShape.Vertices.Count());
@@ -2125,19 +2129,21 @@ bool ModelTool::ImportModel(const String& path, ModelData& data, Options& option
auto v = srcBlendShape.Vertices[i];
v.VertexIndex = remap[v.VertexIndex];
if (v.VertexIndex != ~0u)
{
dstBlendShape.Vertices.Add(v);
}
}
if (dstBlendShape.Vertices.HasItems())
dstMesh->BlendShapes.Add(dstBlendShape);
}
/*
// Remove empty blend shapes
for (int32 blendShapeIndex = dstMesh->BlendShapes.Count() - 1; blendShapeIndex >= 0; blendShapeIndex--)
{
if (dstMesh->BlendShapes[blendShapeIndex].Vertices.IsEmpty())
dstMesh->BlendShapes.RemoveAt(blendShapeIndex);
}
*/
// Optimize generated LOD
meshopt_optimizeVertexCache(dstMesh->Indices.Get(), dstMesh->Indices.Get(), dstMeshIndexCount, dstMeshVertexCount);
meshopt_optimizeOverdraw(dstMesh->Indices.Get(), dstMesh->Indices.Get(), dstMeshIndexCount, (const float*)dstMesh->Positions.Get(), dstMeshVertexCount, sizeof(Float3), 1.05f);
@@ -2182,6 +2188,9 @@ bool ModelTool::ImportModel(const String& path, ModelData& data, Options& option
{
for (auto& mesh : lod.Meshes)
{
if (mesh->BlendShapes.IsEmpty())
continue;
for (auto& blendShape : mesh->BlendShapes)
{
// Compute min/max for used vertex indices