/// <summary>
/// Returns a mapped point or creates and adds one
/// </summary>
private PathPoint OpenPoint(int par1, int par2, int par3)
{
int i = PathPoint.MakeHash(par1, par2, par3);
PathPoint pathpoint = (PathPoint)PointMap.Lookup(i);
if (pathpoint == null)
{
pathpoint = new PathPoint(par1, par2, par3);
PointMap.AddKey(i, pathpoint);
}
return(pathpoint);
}