private void AddTriangleNormal(DecalsMesh a_DecalsMesh, int a_TriangleIndex)
{
if (!this.m_TriangleNormals.HasTriangleNormal(a_TriangleIndex))
{
int num = a_DecalsMesh.Triangles[a_TriangleIndex];
int num2 = a_DecalsMesh.Triangles[a_TriangleIndex + 1];
int num3 = a_DecalsMesh.Triangles[a_TriangleIndex + 2];
Vector3 vector4 = GeometryUtilities.TriangleNormal(a_DecalsMesh.Vertices[num], a_DecalsMesh.Vertices[num2], a_DecalsMesh.Vertices[num3]);
this.m_TriangleNormals.AddTriangleNormal(a_TriangleIndex, vector4);
}
}
private void AddNewTriangles(DecalsMesh a_DecalsMesh)
{
while (true)
{
bool flag;
while (true)
{
if (this.m_SortedNeighboringVertices.Count >= 3)
{
flag = false;
for (int i = 0; i < this.m_SortedNeighboringVertices.Count; i++)
{
int num2 = i;
int index = i + 1;
int num4 = i + 2;
if (index >= this.m_SortedNeighboringVertices.Count)
{
index -= this.m_SortedNeighboringVertices.Count;
num4 -= this.m_SortedNeighboringVertices.Count;
}
else if (num4 >= this.m_SortedNeighboringVertices.Count)
{
num4 -= this.m_SortedNeighboringVertices.Count;
}
int item = this.m_SortedNeighboringVertices[num2];
int num6 = this.m_SortedNeighboringVertices[index];
int num7 = this.m_SortedNeighboringVertices[num4];
Vector3 rhs = GeometryUtilities.TriangleNormal(a_DecalsMesh.Vertices[item], a_DecalsMesh.Vertices[num6], a_DecalsMesh.Vertices[num7]);
if (Vector3.Dot(this.m_ReferenceTriangleNormal, rhs) >= 0f)
{
a_DecalsMesh.Triangles.Add(item);
a_DecalsMesh.Triangles.Add(num6);
a_DecalsMesh.Triangles.Add(num7);
this.m_SortedNeighboringVertices.RemoveAt(index);
flag = true;
break;
}
}
}
else
{
return;
}
break;
}
if (!flag)
{
return;
}
}
}
private void InitializeNeighboringTriangles(DecalsMesh a_DecalsMesh, int a_VertexIndex)
{
bool flag = false;
for (int i = a_DecalsMesh.ActiveDecalProjector.DecalsMeshLowerTriangleIndex; i < a_DecalsMesh.Triangles.Count; i += 3)
{
int num2 = a_DecalsMesh.Triangles[i];
int num3 = a_DecalsMesh.Triangles[i + 1];
int num4 = a_DecalsMesh.Triangles[i + 2];
if ((num2 == a_VertexIndex) || ((num3 == a_VertexIndex) || (num4 == a_VertexIndex)))
{
this.m_NeighboringTriangles.Add(i);
if (!flag)
{
Vector3 vector = a_DecalsMesh.Vertices[num2];
this.m_ReferenceTriangleNormal = GeometryUtilities.TriangleNormal(vector, a_DecalsMesh.Vertices[num3], a_DecalsMesh.Vertices[num4]);
if (!Vector3Extension.Approximately(this.m_ReferenceTriangleNormal, Vector3.zero, DecalsMeshMinimizer.s_CurrentMaximumAbsoluteError, DecalsMeshMinimizer.s_CurrentMaximumRelativeError))
{
flag = true;
}
}
}
}
}