private static void MoveAlongEdge(TriangleMeshNode node, int edge, VInt3 srcLoc, VInt3 destLoc, MoveDirectionState state, out VInt3 result, bool checkAnotherEdge = true)
{
DebugHelper.Assert(edge >= 0 && edge <= 2);
VInt3 vertex = node.GetVertex(edge);
VInt3 vertex2 = node.GetVertex((edge + 1) % 3);
VInt3 vInt = destLoc - srcLoc;
vInt.y = 0;
VInt3 vInt2 = vertex2 - vertex;
vInt2.y = 0;
vInt2.NormalizeTo(1000);
int num;
if (state != null)
{
num = vInt.magnitude2D * 1000;
VInt3 vInt3 = state.enabled ? state.firstAdjDir : vInt;
if (VInt3.Dot(ref vInt2, ref vInt3) < 0)
{
num = -num;
vInt3 = -vInt2;
}
else
{
vInt3 = vInt2;
}
if (!state.enabled)
{
state.enabled = true;
state.firstAdjDir = VInt3.Lerp(vInt, vInt3, 1, 3);
state.firstDir = state.curDir;
state.adjDir = vInt3;
}
else if (VInt3.Dot(ref state.adjDir, ref vInt3) >= 0)
{
state.adjDir = vInt3;
}
else
{
num = 0;
}
state.applied = true;
}
else
{
num = vInt2.x * vInt.x + vInt2.z * vInt.z;
}
bool flag;
VInt3 rhs = Polygon.IntersectionPoint(ref vertex, ref vertex2, ref srcLoc, ref destLoc, out flag);
if (!flag)
{
if (!Polygon.IsColinear(vertex, vertex2, srcLoc) || !Polygon.IsColinear(vertex, vertex2, destLoc))
{
result = srcLoc;
return;
}
if (num >= 0)
{
int num2 = vInt2.x * (vertex2.x - vertex.x) + vInt2.z * (vertex2.z - vertex.z);
int num3 = vInt2.x * (destLoc.x - vertex.x) + vInt2.z * (destLoc.z - vertex.z);
rhs = ((num2 > num3) ? destLoc : vertex2);
DebugHelper.Assert(num2 >= 0 && num3 >= 0);
}
else
{
int num4 = -vInt2.x * (vertex.x - vertex2.x) - vInt2.z * (vertex.z - vertex2.z);
int num5 = -vInt2.x * (destLoc.x - vertex2.x) - vInt2.z * (destLoc.z - vertex2.z);
rhs = ((Mathf.Abs(num4) > Mathf.Abs(num5)) ? destLoc : vertex);
DebugHelper.Assert(num4 >= 0 && num5 >= 0);
}
}
int num6 = -IntMath.Sqrt(vertex.XZSqrMagnitude(rhs) * 1000000L);
int num7 = IntMath.Sqrt(vertex2.XZSqrMagnitude(rhs) * 1000000L);
if (num >= num6 && num <= num7)
{
result = IntMath.Divide(vInt2, (long)num, 1000000L) + rhs;
if (!node.ContainsPoint(result))
{
Vector3 vector = (Vector3)(vertex2 - vertex);
vector.y = 0f;
vector.Normalize();
VInt3 lhs = vertex2 - vertex;
lhs.y = 0;
lhs *= 10000;
long num8 = (long)lhs.magnitude;
VFactor vFactor = default(VFactor);
vFactor.nom = (long)num;
vFactor.den = num8 * 1000L;
int num9;
int num10;
PathfindingUtility.getMinMax(out num9, out num10, (long)lhs.x, ref vFactor);
int num11;
int num12;
PathfindingUtility.getMinMax(out num11, out num12, (long)lhs.z, ref vFactor);
if (!PathfindingUtility.MakePointInTriangle(ref result, node, num9, num10, num11, num12, srcLoc) && !PathfindingUtility.MakePointInTriangle(ref result, node, num9 - 4, num10 + 4, num11 - 4, num12 + 4, srcLoc))
{
result = srcLoc;
}
}
if (PathfindingUtility.MoveAxisY)
{
PathfindingUtility.CalculateY(ref result, node);
}
}
else
{
int rhs2;
int edge2;
VInt3 vInt4;
if (num < num6)
{
rhs2 = num - num6;
edge2 = (edge + 2) % 3;
vInt4 = vertex;
}
else
{
rhs2 = num - num7;
edge2 = (edge + 1) % 3;
vInt4 = vertex2;
}
VInt3 vInt5 = vInt2 * rhs2 / 1000000f;
int startEdge;
TriangleMeshNode neighborByEdge = node.GetNeighborByEdge(edge2, out startEdge);
if (neighborByEdge != null)
{
PathfindingUtility.checkedNodes.Add(node);
PathfindingUtility.MoveFromNode(neighborByEdge, startEdge, vInt4, vInt5 + vInt4, state, out result);
}
else
{
if (checkAnotherEdge)
{
VInt3 vertex3 = node.GetVertex((edge + 2) % 3);
VInt3 lhs2 = (vertex3 - vInt4).NormalizeTo(1000);
if (VInt3.Dot(lhs2, vInt5) > 0)
{
PathfindingUtility.checkedNodes.Add(node);
PathfindingUtility.MoveAlongEdge(node, edge2, vInt4, vInt5 + vInt4, state, out result, false);
return;
}
}
result = vInt4;
}
}
}
private static void MoveFromNode(TriangleMeshNode node, int startEdge, VInt3 srcLoc, VInt3 destLoc, MoveDirectionState state, out VInt3 result)
{
result = srcLoc;
while (node != null)
{
int count = 2;
int i;
if (node.IsVertex(srcLoc, out i))
{
int vertexIndex = node.GetVertexIndex(i);
List <PathfindingUtility.TMNodeInfo> list = null;
PathfindingUtility.GetAllNodesByVert(ref list, node, vertexIndex);
TriangleMeshNode triangleMeshNode = null;
int num = -1;
for (int j = 0; j < list.get_Count(); j++)
{
PathfindingUtility.TMNodeInfo tMNodeInfo = list.get_Item(j);
if (!PathfindingUtility.checkedNodes.Contains(tMNodeInfo.node) && !Polygon.LeftNotColinear(tMNodeInfo.v0, tMNodeInfo.v2, destLoc) && Polygon.Left(tMNodeInfo.v0, tMNodeInfo.v1, destLoc))
{
triangleMeshNode = tMNodeInfo.node;
num = tMNodeInfo.vi;
break;
}
}
if (triangleMeshNode != null)
{
node = triangleMeshNode;
startEdge = (num + 1) % 3;
count = 1;
}
else
{
int edge = -1;
VFactor b = new VFactor
{
nom = -2L,
den = 1L
};
for (int k = 0; k < list.get_Count(); k++)
{
PathfindingUtility.TMNodeInfo tMNodeInfo2 = list.get_Item(k);
if (!PathfindingUtility.checkedNodes.Contains(tMNodeInfo2.node))
{
int num2;
VFactor cosineAngle = tMNodeInfo2.GetCosineAngle(destLoc, state, out num2);
if (cosineAngle > b)
{
b = cosineAngle;
edge = num2;
triangleMeshNode = tMNodeInfo2.node;
}
}
}
if (triangleMeshNode != null)
{
PathfindingUtility.MoveAlongEdge(triangleMeshNode, edge, srcLoc, destLoc, state, out result, true);
break;
}
}
}
int num3;
if (startEdge == -1)
{
num3 = node.EdgeIntersect(srcLoc, destLoc);
}
else
{
num3 = node.EdgeIntersect(srcLoc, destLoc, startEdge, count);
}
if (num3 == -1)
{
if (node.ContainsPoint(destLoc))
{
result = destLoc;
if (PathfindingUtility.MoveAxisY)
{
PathfindingUtility.CalculateY(ref result, node);
}
}
else
{
num3 = node.GetColinearEdge(srcLoc, destLoc);
if (num3 != -1)
{
PathfindingUtility.MoveAlongEdge(node, num3, srcLoc, destLoc, state, out result, true);
}
}
break;
}
int num4;
TriangleMeshNode neighborByEdge = node.GetNeighborByEdge(num3, out num4);
if (neighborByEdge == null)
{
PathfindingUtility.MoveAlongEdge(node, num3, srcLoc, destLoc, state, out result, true);
break;
}
node = neighborByEdge;
startEdge = num4 + 1;
}
}
private static void MoveAlongEdge(TriangleMeshNode node, int edge, Int3 srcLoc, Int3 destLoc, out Int3 result, bool checkAnotherEdge = true)
{
Int3 vertex = node.GetVertex(edge);
Int3 vertex2 = node.GetVertex((edge + 1) % 3);
Int3 vInt = destLoc - srcLoc;
vInt.y = 0;
Int3 vInt2 = vertex2 - vertex;
vInt2.y = 0;
vInt2.NormalizeTo(1000);
int num;
num = vInt2.x * vInt.x + vInt2.z * vInt.z;
bool flag;
Int3 rhs = Polygon.IntersectionPoint(ref vertex, ref vertex2, ref srcLoc, ref destLoc, out flag);
if (!flag)
{
if (!Polygon.IsColinear(vertex, vertex2, srcLoc) || !Polygon.IsColinear(vertex, vertex2, destLoc))
{
result = srcLoc;
return;
}
if (num >= 0)
{
int num2 = vInt2.x * (vertex2.x - vertex.x) + vInt2.z * (vertex2.z - vertex.z);
int num3 = vInt2.x * (destLoc.x - vertex.x) + vInt2.z * (destLoc.z - vertex.z);
rhs = ((num2 <= num3) ? vertex2 : destLoc);
}
else
{
int num4 = -vInt2.x * (vertex.x - vertex2.x) - vInt2.z * (vertex.z - vertex2.z);
int num5 = -vInt2.x * (destLoc.x - vertex2.x) - vInt2.z * (destLoc.z - vertex2.z);
rhs = ((Mathf.Abs(num4) <= Mathf.Abs(num5)) ? vertex : destLoc);
}
}
int num6 = -IntMath.Sqrt(vertex.XZSqrMagnitude(rhs) * 1000000L);
int num7 = IntMath.Sqrt(vertex2.XZSqrMagnitude(rhs) * 1000000L);
if (num >= num6 && num <= num7)
{
result = IntMath.Divide(vInt2, (long)num, 1000000L) + rhs;
if (!node.ContainsPoint(result))
{
Vector3 vector = (Vector3)(vertex2 - vertex);
vector.y = 0f;
vector.Normalize();
Int3 lhs = vertex2 - vertex;
lhs.y = 0;
lhs *= 10000;
long num8 = (long)lhs.magnitude;
IntFactor vFactor = default(IntFactor);
vFactor.numerator = (long)num;
vFactor.denominator = num8 * 1000L;
int num9;
int num10;
PathfindingUtility.getMinMax(out num9, out num10, (long)lhs.x, ref vFactor);
int num11;
int num12;
PathfindingUtility.getMinMax(out num11, out num12, (long)lhs.z, ref vFactor);
if (!PathfindingUtility.MakePointInTriangle(ref result, node, num9, num10, num11, num12, srcLoc) && !PathfindingUtility.MakePointInTriangle(ref result, node, num9 - 4, num10 + 4, num11 - 4, num12 + 4, srcLoc))
{
result = srcLoc;
}
}
if (PathfindingUtility.MoveAxisY)
{
PathfindingUtility.CalculateY(ref result, node);
}
}
else
{
int rhs2;
int edge2;
Int3 vInt4;
if (num < num6)
{
rhs2 = num - num6;
edge2 = (edge + 2) % 3;
vInt4 = vertex;
}
else
{
rhs2 = num - num7;
edge2 = (edge + 1) % 3;
vInt4 = vertex2;
}
Int3 vInt5 = vInt2 * rhs2 / 1000000f;
int startEdge;
TriangleMeshNode neighborByEdge = node.GetNeighborByEdge(edge2, out startEdge);
if (neighborByEdge != null)
{
PathfindingUtility.checkedNodes.Add(node);
PathfindingUtility.MoveFromNode(neighborByEdge, startEdge, vInt4, vInt5 + vInt4, out result);
}
else
{
if (checkAnotherEdge)
{
Int3 vertex3 = node.GetVertex((edge + 2) % 3);
Int3 lhs2 = (vertex3 - vInt4).NormalizeTo(1000);
if (Int3.Dot(lhs2, vInt5) > 0)
{
PathfindingUtility.checkedNodes.Add(node);
PathfindingUtility.MoveAlongEdge(node, edge2, vInt4, vInt5 + vInt4, out result, false);
return;
}
}
result = vInt4;
}
}
}