// Token: 0x06002570 RID: 9584 RVA: 0x001A2E38 File Offset: 0x001A1038
public static void UpdateArea(GraphUpdateObject o, INavmeshHolder graph)
{
Bounds bounds = graph.transform.InverseTransform(o.bounds);
IntRect irect = new IntRect(Mathf.FloorToInt(bounds.min.x * 1000f), Mathf.FloorToInt(bounds.min.z * 1000f), Mathf.CeilToInt(bounds.max.x * 1000f), Mathf.CeilToInt(bounds.max.z * 1000f));
Int3 a = new Int3(irect.xmin, 0, irect.ymin);
Int3 b = new Int3(irect.xmin, 0, irect.ymax);
Int3 c = new Int3(irect.xmax, 0, irect.ymin);
Int3 d = new Int3(irect.xmax, 0, irect.ymax);
int ymin = ((Int3)bounds.min).y;
int ymax = ((Int3)bounds.max).y;
graph.GetNodes(delegate(GraphNode _node)
{
TriangleMeshNode triangleMeshNode = _node as TriangleMeshNode;
bool flag = false;
int num = 0;
int num2 = 0;
int num3 = 0;
int num4 = 0;
for (int i = 0; i < 3; i++)
{
Int3 vertexInGraphSpace = triangleMeshNode.GetVertexInGraphSpace(i);
if (irect.Contains(vertexInGraphSpace.x, vertexInGraphSpace.z))
{
flag = true;
break;
}
if (vertexInGraphSpace.x < irect.xmin)
{
num++;
}
if (vertexInGraphSpace.x > irect.xmax)
{
num2++;
}
if (vertexInGraphSpace.z < irect.ymin)
{
num3++;
}
if (vertexInGraphSpace.z > irect.ymax)
{
num4++;
}
}
if (!flag && (num == 3 || num2 == 3 || num3 == 3 || num4 == 3))
{
return;
}
for (int j = 0; j < 3; j++)
{
int i2 = (j > 1) ? 0 : (j + 1);
Int3 vertexInGraphSpace2 = triangleMeshNode.GetVertexInGraphSpace(j);
Int3 vertexInGraphSpace3 = triangleMeshNode.GetVertexInGraphSpace(i2);
if (VectorMath.SegmentsIntersectXZ(a, b, vertexInGraphSpace2, vertexInGraphSpace3))
{
flag = true;
break;
}
if (VectorMath.SegmentsIntersectXZ(a, c, vertexInGraphSpace2, vertexInGraphSpace3))
{
flag = true;
break;
}
if (VectorMath.SegmentsIntersectXZ(c, d, vertexInGraphSpace2, vertexInGraphSpace3))
{
flag = true;
break;
}
if (VectorMath.SegmentsIntersectXZ(d, b, vertexInGraphSpace2, vertexInGraphSpace3))
{
flag = true;
break;
}
}
if (flag || triangleMeshNode.ContainsPointInGraphSpace(a) || triangleMeshNode.ContainsPointInGraphSpace(b) || triangleMeshNode.ContainsPointInGraphSpace(c) || triangleMeshNode.ContainsPointInGraphSpace(d))
{
flag = true;
}
if (!flag)
{
return;
}
int num5 = 0;
int num6 = 0;
for (int k = 0; k < 3; k++)
{
Int3 vertexInGraphSpace4 = triangleMeshNode.GetVertexInGraphSpace(k);
if (vertexInGraphSpace4.y < ymin)
{
num6++;
}
if (vertexInGraphSpace4.y > ymax)
{
num5++;
}
}
if (num6 == 3 || num5 == 3)
{
return;
}
o.WillUpdateNode(triangleMeshNode);
o.Apply(triangleMeshNode);
});
}