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Fix incorrect empty meshes/LODs removal after auto-lod generation

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This commit is contained in:
Wojtek Figat
2023-12-06 10:34:29 +01:00
parent bcbc1cd413
commit 3f632b7d15
1 changed files with 14 additions and 3 deletions
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17
Source/Engine/Tools/ModelTool/ModelTool.cpp
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@@ -1565,11 +1565,15 @@ bool ModelTool::ImportModel(const String& path, ModelData& data, Options& option
generatedLod++;
}
// Remove empty meshes
// Remove empty meshes (no LOD was generated for them)
for (int32 i = dstLod.Meshes.Count() - 1; i >= 0; i--)
{
if (dstLod.Meshes[i]->Indices.IsEmpty())
dstLod.Meshes.RemoveAt(i--);
MeshData* mesh = dstLod.Meshes[i];
if (mesh->Indices.IsEmpty() || mesh->Positions.IsEmpty())
{
Delete(mesh);
dstLod.Meshes.RemoveAtKeepOrder(i);
}
}
LOG(Info, "Generated LOD{0}: triangles: {1} ({2}% of base LOD), verticies: {3} ({4}% of base LOD)",
@@ -1577,6 +1581,13 @@ bool ModelTool::ImportModel(const String& path, ModelData& data, Options& option
lodTriangleCount, (int32)(lodTriangleCount * 100 / baseLodTriangleCount),
lodVertexCount, (int32)(lodVertexCount * 100 / baseLodVertexCount));
}
for (int32 lodIndex = data.LODs.Count() - 1; lodIndex > 0; lodIndex--)
{
if (data.LODs[lodIndex].Meshes.IsEmpty())
data.LODs.RemoveAt(lodIndex);
else
break;
}
if (generatedLod)
{
auto lodEndTime = DateTime::NowUTC();