protected MyNavigationTriangle AddTriangle(ref Vector3 A, ref Vector3 B, ref Vector3 C, ref int edgeAB, ref int edgeBC, ref int edgeCA)
{
MyNavigationTriangle userData = this.m_triPool.Allocate();
int num = ((0 + ((edgeAB == -1) ? 1 : 0)) + ((edgeBC == -1) ? 1 : 0)) + ((edgeCA == -1) ? 1 : 0);
int triangleIndex = -1;
if (num == 3)
{
triangleIndex = this.m_mesh.MakeNewTriangle(userData, ref A, ref B, ref C, out edgeAB, out edgeBC, out edgeCA);
}
else if (num == 2)
{
triangleIndex = (edgeAB == -1) ? ((edgeBC == -1) ? this.m_mesh.ExtrudeTriangleFromEdge(ref B, edgeCA, userData, out edgeAB, out edgeBC) : this.m_mesh.ExtrudeTriangleFromEdge(ref A, edgeBC, userData, out edgeCA, out edgeAB)) : this.m_mesh.ExtrudeTriangleFromEdge(ref C, edgeAB, userData, out edgeBC, out edgeCA);
}
else if (num == 1)
{
triangleIndex = (edgeAB != -1) ? ((edgeBC != -1) ? this.GetTriangleOneNewEdge(ref edgeCA, ref edgeAB, ref edgeBC, userData) : this.GetTriangleOneNewEdge(ref edgeBC, ref edgeCA, ref edgeAB, userData)) : this.GetTriangleOneNewEdge(ref edgeAB, ref edgeBC, ref edgeCA, userData);
}
else
{
MyWingedEdgeMesh.Edge other = this.m_mesh.GetEdge(edgeAB);
MyWingedEdgeMesh.Edge edge = this.m_mesh.GetEdge(edgeBC);
MyWingedEdgeMesh.Edge edge3 = this.m_mesh.GetEdge(edgeCA);
int sharedB = edge3.TryGetSharedVertex(ref other);
int sharedC = other.TryGetSharedVertex(ref edge);
int num5 = edge.TryGetSharedVertex(ref edge3);
int num6 = ((0 + ((sharedB == -1) ? 0 : 1)) + ((sharedC == -1) ? 0 : 1)) + ((num5 == -1) ? 0 : 1);
if (num6 == 3)
{
triangleIndex = this.m_mesh.MakeFace(userData, edgeAB);
}
else if (num6 == 2)
{
triangleIndex = (sharedB != -1) ? ((sharedC != -1) ? this.GetTriangleTwoSharedVertices(edgeCA, edgeAB, ref edgeBC, sharedB, sharedC, userData) : this.GetTriangleTwoSharedVertices(edgeBC, edgeCA, ref edgeAB, num5, sharedB, userData)) : this.GetTriangleTwoSharedVertices(edgeAB, edgeBC, ref edgeCA, sharedC, num5, userData);
}
else if (num6 == 1)
{
triangleIndex = (sharedB == -1) ? ((sharedC == -1) ? this.GetTriangleOneSharedVertex(edgeBC, edgeCA, ref edgeAB, num5, userData) : this.GetTriangleOneSharedVertex(edgeAB, edgeBC, ref edgeCA, sharedC, userData)) : this.GetTriangleOneSharedVertex(edgeCA, edgeAB, ref edgeBC, sharedB, userData);
}
else
{
int num7;
int num8;
triangleIndex = this.m_mesh.ExtrudeTriangleFromEdge(ref C, edgeAB, userData, out num7, out num8);
this.m_mesh.MergeEdges(num8, edgeCA);
this.m_mesh.MergeEdges(num7, edgeBC);
}
}
userData.Init(this, triangleIndex);
return(userData);
}
private int GetTriangleOneNewEdge(ref int newEdge, ref int succ, ref int pred, MyNavigationTriangle newTri)
{
MyWingedEdgeMesh.Edge edge = this.m_mesh.GetEdge(pred);
MyWingedEdgeMesh.Edge other = this.m_mesh.GetEdge(succ);
int vertex = edge.TryGetSharedVertex(ref other);
if (vertex != -1)
{
int num3 = edge.OtherVertex(vertex);
return(this.m_mesh.MakeEdgeFace(num3, other.OtherVertex(vertex), pred, succ, newTri, out newEdge));
}
int num2 = succ;
Vector3 vertexPosition = this.m_mesh.GetVertexPosition(other.GetFacePredVertex(-1));
this.m_mesh.MergeEdges(num2, succ);
return(this.m_mesh.ExtrudeTriangleFromEdge(ref vertexPosition, pred, newTri, out newEdge, out succ));
}
