public Bitmap GenImage(int wTiles, int hTiles)
{
int w = wTiles, h = hTiles;
Bitmap img = new Bitmap(w, h);
Random rng = new Random();
Digraph<TileGenerationRecord> depGraph = MakeDependencyGraph(w, h);
while (true)
{
IEnumerable<Digraph<TileGenerationRecord>.Vertex> tilesToGenerate =
depGraph.Vertices
.Where(v => (v.Label.IsGenerated == false))
.OrderBy(v => v.Predecessors.Count(vv => !vv.Label.IsGenerated));
if (tilesToGenerate.Count() == 0)
{
break;
}
Digraph<TileGenerationRecord>.Vertex nextTileToGenerate = tilesToGenerate.First();
Console.WriteLine("{0}, {1}", nextTileToGenerate.Label.Point.X, nextTileToGenerate.Label.Point.Y);
// actually generate the tile.
SuccessorTileModel mergedModel = new SuccessorTileModel();
// grab a list of all of the model positions represented by all the predecessors to this tile
List<byte[]> positions =
GetPredecessorModelPositions(img, 1, nextTileToGenerate, new byte[] { }, this.maxN, 1, true, true);
// look 'em all up
foreach (byte[] pos in positions)
{
if (pos.Length == 0)
{
mergedModel.AddAll(this.nullaryModel);
}
else
{
int n = pos.Length / 3;
SuccessorTileModel[] models = this.naryModels[n - 1].RangeSearch(pos, 2);
foreach (SuccessorTileModel model in models)
{
mergedModel.AddAll(model);
}
}
}
// choose randomly from that model
Color c = mergedModel.ChooseRandomly(rng);
if (c != null)
{
img.SetPixel(nextTileToGenerate.Label.Point.X, nextTileToGenerate.Label.Point.Y, c);
}
nextTileToGenerate.Label.IsGenerated = true;
}
return img;
}
