public TwoDPathFinderFast(ExpandedPathfindingGrid grid)
{
if (grid == null)
{
throw new Exception("Grid cannot be null");
}
_grid = grid;
mGridX = (ushort)(_grid.GetWidth() + 1);
mGridY = (ushort)(_grid.GetHeight() + 1);
mGridXMinus1 = (ushort)(mGridX - 1);
mGridYLog2 = (ushort)Math.Log(mGridY, 2);
// This should be done at the constructor, for now we leave it here.
if ((Math.Log(mGridX, 2) != (int)Math.Log(mGridX, 2)) ||
(Math.Log(mGridY, 2) != (int)Math.Log(mGridY, 2)))
{
throw new Exception("Invalid Grid, size in X and Y must be power of 2");
}
if ((mCalcGrid == null) || (mCalcGrid.Length != mGridX * mGridY))
{
mCalcGrid = new PathFinderNodeFast[mGridX * mGridY];
}
_openNodes = new PriorityQueueB <int>(new ComparePFNodeMatrix(mCalcGrid));
}
public TwoDPathFinder(ExpandedPathfindingGrid grid)
{
if (grid == null)
{
throw new Exception("Grid cannot be null");
}
_grid = grid;
}