void CheckNeighbours(WFCTile tile)
{
int x = tile.x;
int y = tile.y;
for (int i = -1; i <= 1; i++)
{
for (int j = -1; j <= 1; j++)
{
if (Mathf.Abs(i) == Mathf.Abs(j))
{
continue;
}
int x2 = x + i;
int y2 = y + j;
if (IsBoundry(x2, y2))
{
continue;
}
WFCTile neighBour = tiles[x2, y2];
if (neighBour.CanCollapse())
{
tilesToCheck.Enqueue(neighBour);
}
}
}
}
public void Observe()
{
float lowestEntropy = float.MaxValue;
WFCTile tileToCollapse = null;
for (int x = 0; x < mapSize; x++)
{
for (int y = 0; y < mapSize; y++)
{
WFCTile tile = tiles[x, y];
float entropy = tile.CalculateEntropy();
if (entropy < lowestEntropy && tile.CanCollapse())
{
lowestEntropy = entropy;
tileToCollapse = tile;
}
}
}
if (tileToCollapse != null)
{
tileToCollapse.Collapse();
//tilesToCheck.Enqueue(tileToCollapse);
CheckNeighbours(tileToCollapse);
}
else
{
running = false;
print("Can't find tile to collapse");
}
}
public bool Propagete(WFCTile neighbourTile)
{
bool changed = false;
for (int i = superPosition.Count - 1; i >= 0; i--)
{
if (!CanCollapse())
{
break;
}
WFCTileType tileType = superPosition[i];
bool compatible = false;
for (int j = 0; j < neighbourTile.superPosition.Count; j++)
{
WFCTileType neighbourTileType = neighbourTile.superPosition[j];
if (tileType.IsCompatible(neighbourTileType.tileType))
{
compatible = true;
break;
}
}
if (!compatible)
{
superPosition.RemoveAt(i);
changed = true;
}
}
Refresh();
return(changed);
}
public void Propagate()
{
print("Propogate");
while (tilesToCheck.Count > 0)
{
WFCTile tile = tilesToCheck.Dequeue();
if (!tile.CanCollapse())
{
continue;
}
int x = tile.x;
int y = tile.y;
for (int i = -1; i <= 1; i++)
{
for (int j = -1; j <= 1; j++)
{
if (!tile.CanCollapse())
{
break;
}
if (Mathf.Abs(i) == Mathf.Abs(j))
{
continue;
}
int x2 = x + i;
int y2 = y + j;
if (IsBoundry(x2, y2))
{
continue;
}
WFCTile neighBour = tiles[x2, y2];
if (tile.Propagete(neighBour))
{
CheckNeighbours(tile);
}
}
}
}
}
