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Add to be able to choose sloppy mesh simplification or not in model import settings for LODs.

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Chandler Cox
2023-08-15 21:34:07 -05:00
parent 73076dc5cb
commit 8e1cac7d2f
2 changed files with 15 additions and 1 deletions
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10
Source/Engine/Tools/ModelTool/ModelTool.cpp
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@@ -383,6 +383,8 @@ void ModelTool::Options::Serialize(SerializeStream& stream, const void* otherObj
SERIALIZE(BaseLOD);
SERIALIZE(LODCount);
SERIALIZE(TriangleReduction);
SERIALIZE(Sloppy);
SERIALIZE(LODTargetError);
SERIALIZE(ImportMaterials);
SERIALIZE(ImportTextures);
SERIALIZE(RestoreMaterialsOnReimport);
@@ -424,6 +426,8 @@ void ModelTool::Options::Deserialize(DeserializeStream& stream, ISerializeModifi
DESERIALIZE(BaseLOD);
DESERIALIZE(LODCount);
DESERIALIZE(TriangleReduction);
DESERIALIZE(Sloppy);
DESERIALIZE(LODTargetError);
DESERIALIZE(ImportMaterials);
DESERIALIZE(ImportTextures);
DESERIALIZE(RestoreMaterialsOnReimport);
@@ -1528,7 +1532,11 @@ bool ModelTool::ImportModel(const String& path, ModelData& meshData, Options& op
int32 dstMeshIndexCountTarget = int32(srcMeshIndexCount * triangleReduction) / 3 * 3;
Array<unsigned int> indices;
indices.Resize(dstMeshIndexCountTarget);
int32 dstMeshIndexCount = (int32)meshopt_simplifySloppy(indices.Get(), srcMesh->Indices.Get(), srcMeshIndexCount, (const float*)srcMesh->Positions.Get(), srcMeshVertexCount, sizeof(Float3), dstMeshIndexCountTarget);
int32 dstMeshIndexCount = {};
if (options.Sloppy)
dstMeshIndexCount = (int32)meshopt_simplifySloppy(indices.Get(), srcMesh->Indices.Get(), srcMeshIndexCount, (const float*)srcMesh->Positions.Get(), srcMeshVertexCount, sizeof(Float3), dstMeshIndexCountTarget);
else
dstMeshIndexCount = (int32)meshopt_simplify(indices.Get(), srcMesh->Indices.Get(), srcMeshIndexCount, (const float*)srcMesh->Positions.Get(), srcMeshVertexCount, sizeof(Float3), dstMeshIndexCountTarget, options.LODTargetError);
indices.Resize(dstMeshIndexCount);
if (dstMeshIndexCount == 0)
continue;