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Merge branch 'lods' of https://github.com/Tryibion/FlaxEngine into Tryibion-lods

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This commit is contained in:
Wojtek Figat
2023-09-12 13:56:42 +02:00
parent 44eba3fdae 44598d4741
commit 3170142171
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(SloppyOptimization);
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(SloppyOptimization);
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.SloppyOptimization)
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;

6
Source/Engine/Tools/ModelTool/ModelTool.h
View File

@@ -322,6 +322,12 @@ public:
// The target amount of triangles for the generated LOD (based on the higher LOD). Normalized to range 0-1. For instance 0.4 cuts the triangle count to 40%.
API_FIELD(Attributes="EditorOrder(1130), EditorDisplay(\"Level Of Detail\"), VisibleIf(nameof(ShowGeometry)), Limit(0, 1, 0.001f)")
float TriangleReduction = 0.5f;
// Whether to do a sloppy mesh optimization. This is faster but does not follow the topology of the original mesh.
API_FIELD(Attributes="EditorOrder(1140), EditorDisplay(\"Level Of Detail\"), VisibleIf(nameof(ShowGeometry))")
bool SloppyOptimization = true;
// Only used if Sloppy is false. Target error is an approximate measure of the deviation from the original mesh using distance normalized to [0..1] range (e.g. 1e-2f means that simplifier will try to maintain the error to be below 1% of the mesh extents).
API_FIELD(Attributes="EditorOrder(1150), EditorDisplay(\"Level Of Detail\"), VisibleIf(nameof(SloppyOptimization), true), Limit(0.01f, 1, 0.001f)")
float LODTargetError = 0.1f;
public: // Materials