public bool RecalculateCell(int x, int z, bool preserveExistingNodes)
{
LinkedLevelCell linkedLevelCell = new LinkedLevelCell();
Vector3 position = this.matrix.MultiplyPoint3x4(new Vector3((float)x + 0.5f, 0f, (float)z + 0.5f));
RaycastHit[] array = this.collision.CheckHeightAll(position);
for (int i = 0; i < array.Length / 2; i++)
{
RaycastHit raycastHit = array[i];
array[i] = array[array.Length - 1 - i];
array[array.Length - 1 - i] = raycastHit;
}
bool result = false;
if (array.Length > 0)
{
LinkedLevelNode linkedLevelNode = null;
for (int j = 0; j < array.Length; j++)
{
LinkedLevelNode linkedLevelNode2 = new LinkedLevelNode();
linkedLevelNode2.position = array[j].point;
if (linkedLevelNode != null && linkedLevelNode2.position.y - linkedLevelNode.position.y <= this.mergeSpanRange)
{
linkedLevelNode.position = linkedLevelNode2.position;
linkedLevelNode.hit = array[j];
linkedLevelNode.walkable = this.collision.Check(linkedLevelNode2.position);
}
else
{
linkedLevelNode2.walkable = this.collision.Check(linkedLevelNode2.position);
linkedLevelNode2.hit = array[j];
linkedLevelNode2.height = float.PositiveInfinity;
if (linkedLevelCell.first == null)
{
linkedLevelCell.first = linkedLevelNode2;
linkedLevelNode = linkedLevelNode2;
}
else
{
linkedLevelNode.next = linkedLevelNode2;
linkedLevelNode.height = linkedLevelNode2.position.y - linkedLevelNode.position.y;
linkedLevelNode = linkedLevelNode.next;
}
}
}
}
else
{
linkedLevelCell.first = new LinkedLevelNode
{
position = position,
height = float.PositiveInfinity,
walkable = !this.collision.unwalkableWhenNoGround
};
}
uint graphIndex = (uint)this.active.astarData.GetGraphIndex(this);
LinkedLevelNode linkedLevelNode3 = linkedLevelCell.first;
int num = 0;
int k = 0;
while (true)
{
if (k >= this.layerCount)
{
if (k + 1 > 255)
{
break;
}
this.AddLayers(1);
result = true;
}
LevelGridNode levelGridNode = this.nodes[z * this.width + x + this.width * this.depth * k];
if (levelGridNode == null || !preserveExistingNodes)
{
this.nodes[z * this.width + x + this.width * this.depth * k] = new LevelGridNode(this.active);
levelGridNode = this.nodes[z * this.width + x + this.width * this.depth * k];
levelGridNode.Penalty = this.initialPenalty;
levelGridNode.GraphIndex = graphIndex;
result = true;
}
levelGridNode.SetPosition((Int3)linkedLevelNode3.position);
levelGridNode.Walkable = linkedLevelNode3.walkable;
levelGridNode.WalkableErosion = levelGridNode.Walkable;
if (linkedLevelNode3.hit.normal != Vector3.zero)
{
float num2 = Vector3.Dot(linkedLevelNode3.hit.normal.normalized, this.collision.up);
if (this.penaltyAngle)
{
levelGridNode.Penalty += (uint)Mathf.RoundToInt((1f - num2) * this.penaltyAngleFactor);
}
float num3 = Mathf.Cos(this.maxSlope * 0.0174532924f);
if (num2 < num3)
{
levelGridNode.Walkable = false;
}
}
levelGridNode.NodeInGridIndex = z * this.width + x;
if (linkedLevelNode3.height < this.characterHeight)
{
levelGridNode.Walkable = false;
}
num++;
linkedLevelNode3 = linkedLevelNode3.next;
k++;
if (linkedLevelNode3 == null)
{
goto Block_14;
}
}
Debug.LogError("Too many layers, a maximum of LevelGridNode.MaxLayerCount are allowed (required " + (k + 1) + ")");
return(result);
Block_14:
while (k < this.layerCount)
{
this.nodes[z * this.width + x + this.width * this.depth * k] = null;
k++;
}
linkedLevelCell.count = num;
return(result);
}
public override void ScanInternal(OnScanStatus status)
{
this.scans++;
if (this.nodeSize <= 0f)
{
return;
}
base.GenerateMatrix();
if (this.width > 1024 || this.depth > 1024)
{
Debug.LogError("One of the grid's sides is longer than 1024 nodes");
return;
}
this.lastScannedWidth = this.width;
this.lastScannedDepth = this.depth;
this.SetUpOffsetsAndCosts();
LevelGridNode.SetGridGraph(this.active.astarData.GetGraphIndex(this), this);
this.maxClimb = Mathf.Clamp(this.maxClimb, 0f, this.characterHeight);
LinkedLevelCell[] array = new LinkedLevelCell[this.width * this.depth];
if (this.collision == null)
{
this.collision = new GraphCollision();
}
this.collision.Initialize(this.matrix, this.nodeSize);
for (int i = 0; i < this.depth; i++)
{
for (int j = 0; j < this.width; j++)
{
array[i * this.width + j] = new LinkedLevelCell();
LinkedLevelCell linkedLevelCell = array[i * this.width + j];
Vector3 position = this.matrix.MultiplyPoint3x4(new Vector3((float)j + 0.5f, 0f, (float)i + 0.5f));
RaycastHit[] array2 = this.collision.CheckHeightAll(position);
for (int k = 0; k < array2.Length / 2; k++)
{
RaycastHit raycastHit = array2[k];
array2[k] = array2[array2.Length - 1 - k];
array2[array2.Length - 1 - k] = raycastHit;
}
if (array2.Length > 0)
{
LinkedLevelNode linkedLevelNode = null;
for (int l = 0; l < array2.Length; l++)
{
LinkedLevelNode linkedLevelNode2 = new LinkedLevelNode();
linkedLevelNode2.position = array2[l].point;
if (linkedLevelNode != null && linkedLevelNode2.position.y - linkedLevelNode.position.y <= this.mergeSpanRange)
{
linkedLevelNode.position = linkedLevelNode2.position;
linkedLevelNode.hit = array2[l];
linkedLevelNode.walkable = this.collision.Check(linkedLevelNode2.position);
}
else
{
linkedLevelNode2.walkable = this.collision.Check(linkedLevelNode2.position);
linkedLevelNode2.hit = array2[l];
linkedLevelNode2.height = float.PositiveInfinity;
if (linkedLevelCell.first == null)
{
linkedLevelCell.first = linkedLevelNode2;
linkedLevelNode = linkedLevelNode2;
}
else
{
linkedLevelNode.next = linkedLevelNode2;
linkedLevelNode.height = linkedLevelNode2.position.y - linkedLevelNode.position.y;
linkedLevelNode = linkedLevelNode.next;
}
}
}
}
else
{
linkedLevelCell.first = new LinkedLevelNode
{
position = position,
height = float.PositiveInfinity,
walkable = !this.collision.unwalkableWhenNoGround
};
}
}
}
int num = 0;
this.layerCount = 0;
for (int m = 0; m < this.depth; m++)
{
for (int n = 0; n < this.width; n++)
{
LinkedLevelCell linkedLevelCell2 = array[m * this.width + n];
LinkedLevelNode linkedLevelNode3 = linkedLevelCell2.first;
int num2 = 0;
do
{
num2++;
num++;
linkedLevelNode3 = linkedLevelNode3.next;
}while (linkedLevelNode3 != null);
this.layerCount = ((num2 <= this.layerCount) ? this.layerCount : num2);
}
}
if (this.layerCount > 255)
{
Debug.LogError("Too many layers, a maximum of LevelGridNode.MaxLayerCount are allowed (found " + this.layerCount + ")");
return;
}
this.nodes = new LevelGridNode[this.width * this.depth * this.layerCount];
for (int num3 = 0; num3 < this.nodes.Length; num3++)
{
this.nodes[num3] = new LevelGridNode(this.active);
this.nodes[num3].Penalty = this.initialPenalty;
}
int num4 = 0;
float num5 = Mathf.Cos(this.maxSlope * 0.0174532924f);
for (int num6 = 0; num6 < this.depth; num6++)
{
for (int num7 = 0; num7 < this.width; num7++)
{
LinkedLevelCell linkedLevelCell3 = array[num6 * this.width + num7];
LinkedLevelNode linkedLevelNode4 = linkedLevelCell3.first;
linkedLevelCell3.index = num4;
int num8 = 0;
int num9 = 0;
do
{
LevelGridNode levelGridNode = this.nodes[num6 * this.width + num7 + this.width * this.depth * num9];
levelGridNode.SetPosition((Int3)linkedLevelNode4.position);
levelGridNode.Walkable = linkedLevelNode4.walkable;
if (linkedLevelNode4.hit.normal != Vector3.zero && (this.penaltyAngle || num5 < 1f))
{
float num10 = Vector3.Dot(linkedLevelNode4.hit.normal.normalized, this.collision.up);
if (this.penaltyAngle)
{
levelGridNode.Penalty += (uint)Mathf.RoundToInt((1f - num10) * this.penaltyAngleFactor);
}
if (num10 < num5)
{
levelGridNode.Walkable = false;
}
}
levelGridNode.NodeInGridIndex = num6 * this.width + num7;
if (linkedLevelNode4.height < this.characterHeight)
{
levelGridNode.Walkable = false;
}
levelGridNode.WalkableErosion = levelGridNode.Walkable;
num4++;
num8++;
linkedLevelNode4 = linkedLevelNode4.next;
num9++;
}while (linkedLevelNode4 != null);
while (num9 < this.layerCount)
{
this.nodes[num6 * this.width + num7 + this.width * this.depth * num9] = null;
num9++;
}
linkedLevelCell3.count = num8;
}
}
this.nodeCellIndices = new int[array.Length];
for (int num11 = 0; num11 < this.depth; num11++)
{
for (int num12 = 0; num12 < this.width; num12++)
{
for (int num13 = 0; num13 < this.layerCount; num13++)
{
GraphNode node = this.nodes[num11 * this.width + num12 + this.width * this.depth * num13];
this.CalculateConnections(this.nodes, node, num12, num11, num13);
}
}
}
uint graphIndex = (uint)this.active.astarData.GetGraphIndex(this);
for (int num14 = 0; num14 < this.nodes.Length; num14++)
{
LevelGridNode levelGridNode2 = this.nodes[num14];
if (levelGridNode2 != null)
{
this.UpdatePenalty(levelGridNode2);
levelGridNode2.GraphIndex = graphIndex;
if (!levelGridNode2.HasAnyGridConnections())
{
levelGridNode2.Walkable = false;
levelGridNode2.WalkableErosion = levelGridNode2.Walkable;
}
}
}
this.ErodeWalkableArea(0, 0, this.width, this.depth);
}