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Fix mesh tangent and bitangent vectors generation with OpenFBX backend by using MikkTSpace

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This commit is contained in:
Wojtek Figat
2021-11-11 13:23:30 +01:00
parent ac347f0029
commit 6f16195b08
9 changed files with 2218 additions and 46 deletions
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17
Source/Engine/Tools/ModelTool/ModelTool.OpenFBX.cpp
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@@ -543,11 +543,7 @@ bool ProcessMesh(OpenFbxImporterData& data, const ofbx::Mesh* aMesh, MeshData& m
// Tangents
if ((data.Options.CalculateTangents || !tangents) && mesh.UVs.HasItems())
{
if (mesh.GenerateTangents(data.Options.SmoothingTangentsAngle))
{
errorMsg = TEXT("Failed to generate tangents.");
return true;
}
// Generated after full mesh data conversion
}
else if (tangents)
{
@@ -779,6 +775,15 @@ bool ProcessMesh(OpenFbxImporterData& data, const ofbx::Mesh* aMesh, MeshData& m
}
}
if ((data.Options.CalculateTangents || !tangents) && mesh.UVs.HasItems())
{
if (mesh.GenerateTangents(data.Options.SmoothingTangentsAngle))
{
errorMsg = TEXT("Failed to generate tangents.");
return true;
}
}
if (data.Options.OptimizeMeshes)
{
mesh.ImproveCacheLocality();
@@ -918,7 +923,7 @@ void ExtractKeyframePosition(const ofbx::Object* bone, ofbx::Vec3& trans, const
void ExtractKeyframeRotation(const ofbx::Object* bone, ofbx::Vec3& trans, const Frame& localFrame, Quaternion& keyframe)
{
const Matrix frameTrans = ToMatrix(bone->evalLocal(localFrame.Translation, trans, {1.0, 1.0, 1.0 }));
const Matrix frameTrans = ToMatrix(bone->evalLocal(localFrame.Translation, trans, { 1.0, 1.0, 1.0 }));
Quaternion::RotationMatrix(frameTrans, keyframe);
}