// Token: 0x0600229B RID: 8859 RVA: 0x00190E64 File Offset: 0x0018F064
public static void GetContours(INavmesh navmesh, Action <List <Int3>, bool> results)
{
bool[] uses = new bool[3];
Dictionary <int, int> outline = new Dictionary <int, int>();
Dictionary <int, Int3> vertexPositions = new Dictionary <int, Int3>();
HashSet <int> hasInEdge = new HashSet <int>();
navmesh.GetNodes(delegate(GraphNode _node)
{
TriangleMeshNode triangleMeshNode = _node as TriangleMeshNode;
uses[0] = (uses[1] = (uses[2] = false));
if (triangleMeshNode != null)
{
for (int i = 0; i < triangleMeshNode.connections.Length; i++)
{
TriangleMeshNode triangleMeshNode2 = triangleMeshNode.connections[i].node as TriangleMeshNode;
if (triangleMeshNode2 != null)
{
int num = triangleMeshNode.SharedEdge(triangleMeshNode2);
if (num != -1)
{
uses[num] = true;
}
}
}
for (int j = 0; j < 3; j++)
{
if (!uses[j])
{
int i2 = j;
int i3 = (j + 1) % triangleMeshNode.GetVertexCount();
outline[triangleMeshNode.GetVertexIndex(i2)] = triangleMeshNode.GetVertexIndex(i3);
hasInEdge.Add(triangleMeshNode.GetVertexIndex(i3));
vertexPositions[triangleMeshNode.GetVertexIndex(i2)] = triangleMeshNode.GetVertex(i2);
vertexPositions[triangleMeshNode.GetVertexIndex(i3)] = triangleMeshNode.GetVertex(i3);
}
}
}
});
Polygon.TraceContours(outline, hasInEdge, delegate(List <int> chain, bool cycle)
{
List <Int3> list = ListPool <Int3> .Claim();
for (int i = 0; i < chain.Count; i++)
{
list.Add(vertexPositions[chain[i]]);
}
results(list, cycle);
});
}
// Token: 0x060025FE RID: 9726 RVA: 0x001A6C10 File Offset: 0x001A4E10
public bool GetPortal(GraphNode toNode, List <Vector3> left, List <Vector3> right, bool backwards, out int aIndex, out int bIndex)
{
aIndex = -1;
bIndex = -1;
if (backwards || toNode.GraphIndex != base.GraphIndex)
{
return(false);
}
TriangleMeshNode triangleMeshNode = toNode as TriangleMeshNode;
int num = this.SharedEdge(triangleMeshNode);
if (num == 255)
{
return(false);
}
if (num == -1)
{
for (int i = 0; i < this.connections.Length; i++)
{
if (this.connections[i].node.GraphIndex != base.GraphIndex)
{
NodeLink3Node nodeLink3Node = this.connections[i].node as NodeLink3Node;
if (nodeLink3Node != null && nodeLink3Node.GetOther(this) == triangleMeshNode)
{
nodeLink3Node.GetPortal(triangleMeshNode, left, right, false);
return(true);
}
}
}
return(false);
}
aIndex = num;
bIndex = (num + 1) % this.GetVertexCount();
Int3 vertex = this.GetVertex(num);
Int3 vertex2 = this.GetVertex((num + 1) % this.GetVertexCount());
int num2 = this.GetVertexIndex(0) >> 12 & 524287;
int num3 = triangleMeshNode.GetVertexIndex(0) >> 12 & 524287;
if (num2 != num3)
{
INavmeshHolder navmeshHolder = TriangleMeshNode.GetNavmeshHolder(base.GraphIndex);
int num4;
int num5;
navmeshHolder.GetTileCoordinates(num2, out num4, out num5);
int num6;
int num7;
navmeshHolder.GetTileCoordinates(num3, out num6, out num7);
int i2;
if (Math.Abs(num4 - num6) == 1)
{
i2 = 2;
}
else
{
if (Math.Abs(num5 - num7) != 1)
{
return(false);
}
i2 = 0;
}
int num8 = triangleMeshNode.SharedEdge(this);
if (num8 == 255)
{
throw new Exception("Connection used edge in one direction, but not in the other direction. Has the wrong overload of AddConnection been used?");
}
if (num8 != -1)
{
int num9 = Math.Min(vertex[i2], vertex2[i2]);
int num10 = Math.Max(vertex[i2], vertex2[i2]);
Int3 vertex3 = triangleMeshNode.GetVertex(num8);
Int3 vertex4 = triangleMeshNode.GetVertex((num8 + 1) % triangleMeshNode.GetVertexCount());
num9 = Math.Max(num9, Math.Min(vertex3[i2], vertex4[i2]));
num10 = Math.Min(num10, Math.Max(vertex3[i2], vertex4[i2]));
if (vertex[i2] < vertex2[i2])
{
vertex[i2] = num9;
vertex2[i2] = num10;
}
else
{
vertex[i2] = num10;
vertex2[i2] = num9;
}
}
}
if (left != null)
{
left.Add((Vector3)vertex);
right.Add((Vector3)vertex2);
}
return(true);
}