private void RemoveObsoleteVertices(DecalsMesh a_DecalsMesh)
{
DecalProjectorBase activeDecalProjector = a_DecalsMesh.ActiveDecalProjector;
this.m_ObsoleteInternalVertexIndices.Sort();
List <OptimizeEdge> list = this.m_RedundantInternalEdges.OptimizedEdgeList();
for (int i = this.m_ObsoleteInternalVertexIndices.Count - 1; i >= 0; i--)
{
bool flag;
int num2 = this.m_ObsoleteInternalVertexIndices[i];
this.m_ObsoleteVertexRemover.RemoveObsoleteInternalVertex(a_DecalsMesh, num2, list, out flag);
if (!flag)
{
this.m_ObsoleteInternalVertexIndices.RemoveAt(i);
}
}
for (int j = this.m_ObsoleteExternalVertexIndices.Count - 1; j >= 0; j--)
{
bool flag2;
int num4 = this.m_ObsoleteExternalVertexIndices[j];
this.m_ObsoleteVertexRemover.RemoveObsoleteExternalVertex(a_DecalsMesh, num4, out flag2);
if (!flag2)
{
this.m_ObsoleteExternalVertexIndices.RemoveAt(j);
}
}
this.m_ObsoleteInternalVertexIndices.AddRange(this.m_ObsoleteExternalVertexIndices);
this.m_ObsoleteInternalVertexIndices.Sort();
foreach (int num5 in this.m_ObsoleteInternalVertexIndices)
{
this.m_RemovedIndices.AddRemovedIndex(num5);
}
a_DecalsMesh.RemoveAndAdjustIndices(activeDecalProjector.DecalsMeshLowerTriangleIndex, this.m_RemovedIndices);
activeDecalProjector.IsUV1ProjectionCalculated = false;
activeDecalProjector.IsUV2ProjectionCalculated = false;
activeDecalProjector.IsTangentProjectionCalculated = false;
}
private void ComputePotentialObsoleteVertices(DecalsMesh a_DecalsMesh)
{
DecalProjectorBase activeDecalProjector = a_DecalsMesh.ActiveDecalProjector;
this.ClearAll();
for (int i = activeDecalProjector.DecalsMeshLowerTriangleIndex; i <= activeDecalProjector.DecalsMeshUpperTriangleIndex; i += 3)
{
int num2 = a_DecalsMesh.Triangles[i];
int num3 = a_DecalsMesh.Triangles[i + 1];
int num4 = a_DecalsMesh.Triangles[i + 2];
OptimizeEdge edge = new OptimizeEdge(num2, num3, i);
OptimizeEdge edge2 = new OptimizeEdge(num3, num4, i);
OptimizeEdge edge3 = new OptimizeEdge(num4, num2, i);
this.AddEdge(edge);
this.AddEdge(edge2);
this.AddEdge(edge3);
}
List <OptimizeEdge> list = this.m_RedundantExternalEdges.OptimizedEdgeList();
foreach (OptimizeEdge edge4 in list)
{
if (!this.m_NonInternalVertexIndices.ContainsKey(edge4.vertex1Index))
{
this.m_NonInternalVertexIndices.Add(edge4.vertex1Index, edge4.vertex1Index);
}
if (!this.m_NonInternalVertexIndices.ContainsKey(edge4.vertex2Index))
{
this.m_NonInternalVertexIndices.Add(edge4.vertex2Index, edge4.vertex2Index);
}
}
foreach (OptimizeEdge edge5 in this.m_OverusedInternalEdges.OptimizedEdgeList())
{
if (!this.m_NonInternalVertexIndices.ContainsKey(edge5.vertex1Index))
{
this.m_NonInternalVertexIndices.Add(edge5.vertex1Index, edge5.vertex1Index);
}
if (!this.m_NonInternalVertexIndices.ContainsKey(edge5.vertex2Index))
{
this.m_NonInternalVertexIndices.Add(edge5.vertex2Index, edge5.vertex2Index);
}
}
for (int j = activeDecalProjector.DecalsMeshLowerVertexIndex; j <= activeDecalProjector.DecalsMeshUpperVertexIndex; j++)
{
if (!this.m_NonInternalVertexIndices.ContainsKey(j))
{
this.m_ObsoleteInternalVertexIndices.Add(j);
}
}
int num6 = 0;
while (num6 < list.Count)
{
OptimizeEdge edge6 = list[num6];
int num7 = num6 + 1;
while (true)
{
if (num7 >= this.m_RedundantExternalEdges.Count)
{
num6++;
break;
}
OptimizeEdge edge7 = list[num7];
if ((edge6.vertex1Index != edge7.vertex1Index) && (edge6.vertex1Index != edge7.vertex2Index))
{
if ((((edge6.vertex2Index == edge7.vertex1Index) || (edge6.vertex2Index == edge7.vertex2Index)) && !this.m_ObsoleteExternalVertexIndices.Contains(edge6.vertex2Index)) && AreEdgesParallelOrIsAtLeastOneAPoint(a_DecalsMesh, edge6, edge7))
{
this.m_ObsoleteExternalVertexIndices.Add(edge6.vertex2Index);
}
}
else if (!this.m_ObsoleteExternalVertexIndices.Contains(edge6.vertex1Index) && AreEdgesParallelOrIsAtLeastOneAPoint(a_DecalsMesh, edge6, edge7))
{
this.m_ObsoleteExternalVertexIndices.Add(edge6.vertex1Index);
}
num7++;
}
}
this.ClearTemporaryCollections();
}