bool AreSkelMeshVerticesEqual( const FSoftSkinBuildVertex& V1, const FSoftSkinBuildVertex& V2 )
{
if(!PointsEqual(V1.Position, V2.Position))
{
return false;
}
bool bUVsEqual = true;
for(int32 UVIdx = 0; UVIdx < MAX_TEXCOORDS; ++UVIdx)
{
if(FMath::Abs(V1.UVs[UVIdx].X - V2.UVs[UVIdx].X) >(1.0f / 1024.0f))
{
bUVsEqual = false;
};
if(FMath::Abs(V1.UVs[UVIdx].Y - V2.UVs[UVIdx].Y) > (1.0f / 1024.0f))
{
bUVsEqual = false;
}
}
if(!bUVsEqual)
{
return false;
}
if(!NormalsEqual(V1.TangentX, V2.TangentX))
{
return false;
}
if(!NormalsEqual(V1.TangentY, V2.TangentY))
{
return false;
}
if(!NormalsEqual(V1.TangentZ, V2.TangentZ))
{
return false;
}
bool InfluencesMatch = 1;
for(uint32 InfluenceIndex = 0; InfluenceIndex < MAX_TOTAL_INFLUENCES; InfluenceIndex++)
{
if(V1.InfluenceBones[InfluenceIndex] != V2.InfluenceBones[InfluenceIndex] ||
V1.InfluenceWeights[InfluenceIndex] != V2.InfluenceWeights[InfluenceIndex])
{
InfluencesMatch = 0;
break;
}
}
if(!InfluencesMatch)
{
return false;
}
return true;
}
int32 AddSkinVertex(TArray<FSoftSkinBuildVertex>& Vertices,FSoftSkinBuildVertex& Vertex, bool bKeepOverlappingVertices )
{
if (!bKeepOverlappingVertices)
{
for(uint32 VertexIndex = 0;VertexIndex < (uint32)Vertices.Num();VertexIndex++)
{
FSoftSkinBuildVertex& OtherVertex = Vertices[VertexIndex];
if(!PointsEqual(OtherVertex.Position,Vertex.Position))
continue;
bool bUVsEqual = true;
for( int32 UVIdx = 0; UVIdx < MAX_TEXCOORDS; ++UVIdx )
{
if(FMath::Abs(Vertex.UVs[UVIdx].X - OtherVertex.UVs[UVIdx].X) > (1.0f / 1024.0f))
{
bUVsEqual = false;
};
if(FMath::Abs(Vertex.UVs[UVIdx].Y - OtherVertex.UVs[UVIdx].Y) > (1.0f / 1024.0f))
{
bUVsEqual = false;
}
}
if( !bUVsEqual )
continue;
if(!NormalsEqual( OtherVertex.TangentX, Vertex.TangentX))
continue;
if(!NormalsEqual(OtherVertex.TangentY, Vertex.TangentY))
continue;
if(!NormalsEqual(OtherVertex.TangentZ, Vertex.TangentZ))
continue;
bool InfluencesMatch = 1;
for(uint32 InfluenceIndex = 0;InfluenceIndex < MAX_TOTAL_INFLUENCES;InfluenceIndex++)
{
if( Vertex.InfluenceBones[InfluenceIndex] != OtherVertex.InfluenceBones[InfluenceIndex] ||
Vertex.InfluenceWeights[InfluenceIndex] != OtherVertex.InfluenceWeights[InfluenceIndex])
{
InfluencesMatch = 0;
break;
}
}
if(!InfluencesMatch)
continue;
return VertexIndex;
}
}
return Vertices.Add(Vertex);
}
