public void Check(TilePropagator propagator)
{
var topology = propagator.Topology;
foreach (var i in topology.Indicies)
{
topology.GetCoord(i, out var x, out var y, out var z);
var x2 = topology.Width - 1 - x;
foreach (var tile in propagator.TileModel.Tiles)
{
if (TileRotation.Rotate(tile, reflectX, out var tile2))
{
if (propagator.IsBanned(x, y, z, tile) && !propagator.IsBanned(x2, y, z, tile2))
{
propagator.Ban(x2, y, z, tile2);
}
}
}
}
}
public void Check(TilePropagator propagator)
{
var topology = propagator.Topology;
foreach (var i in changeTracker.GetChangedIndices())
{
if (TryMapIndex(propagator, i, out var i2))
{
topology.GetCoord(i, out var x, out var y, out var z);
topology.GetCoord(i2, out var x2, out var y2, out var z2);
foreach (var tile in propagator.TileModel.Tiles)
{
if (TryMapTile(tile, out var tile2))
{
if (propagator.IsBanned(x, y, z, tile) && !propagator.IsBanned(x2, y, z, tile2))
{
propagator.Ban(x2, y, z, tile2);
}
}
}
}
}
}
public Point GetRandomPoint(TilePropagator propagator)
{
var topology = propagator.Topology;
var points = new List <Point>();
for (var z = 0; z < topology.Depth; z++)
{
for (var y = 0; y < topology.Height; y++)
{
for (var x = 0; x < topology.Width; x++)
{
if (topology.Mask != null)
{
var index = topology.GetIndex(x, y, z);
if (!topology.Mask[index])
{
continue;
}
}
if (propagator.IsBanned(x, y, z, Tile))
{
continue;
}
points.Add(new Point(x, y, z));
}
}
}
// Choose a random point to select
if (points.Count == 0)
{
throw new System.Exception($"No legal placement of {Tile}");
}
var i = (int)(propagator.Random.NextDouble() * points.Count);
return(points[i]);
}
