internal override ITileConstraint GetTileConstraint(AdjacentModel model)
{
if (hasPathColors)
{
var colorSet = new HashSet <int>(pathColors);
var pathTilesSet = new HashSet <TesseraTile>(pathTiles);
var generator = GetComponent <TesseraGenerator>();
TesseraGeneratorHelper.SetupModelFromTiles(generator.tiles, out var allTiles, out var internalAdjacencies, out var tilesByFaceDir);
// All internal connections are valid exits
var internalDirs = internalAdjacencies
.Concat(internalAdjacencies.Select(t => (t.Item2, t.Item1, DirectionSet.Cartesian3d.Inverse(t.Item3))))
.Where(x => !hasPathTiles || pathTilesSet.Contains(((ModelTile)x.Item1.Value).Tile))
.ToLookup(x => x.Item1, x => x.Item3);
// Extneral connections are valid exits only if the color in the center of the face matches
var externalDirs = tilesByFaceDir
.SelectMany(kv => kv.Value.Select(t => new { FaceDir = kv.Key, FaceDetails = t.Item1, Tile = t.Item2 }))
.Where(x => !hasPathTiles || pathTilesSet.Contains(((ModelTile)x.Tile.Value).Tile))
.Where(x => colorSet.Contains(x.FaceDetails.center))
.ToLookup(x => x.Tile, x => x.FaceDir.ToDirection());
var exits = internalDirs.Select(x => x.Key).Union(externalDirs.Select(x => x.Key))
.ToDictionary(x => x, x => (ISet <Direction>) new HashSet <Direction>(internalDirs[x].Concat(externalDirs[x])));
return(new DeBroglie.Constraints.EdgedPathConstraint(exits));
}
else if (hasPathTiles)
{
var actualPathTiles = new HashSet <Tile>(GetModelTiles(pathTiles).Select(x => new Tile(x)));
return(new DeBroglie.Constraints.PathConstraint(actualPathTiles));
}
else
{
throw new Exception("One of hasColors or hasPathTiles must be set for PathConstraints");
}
}
internal TesseraGeneratorHelper CreateTesseraGeneratorHelper(TesseraGenerateOptions options = null)
{
options = options ?? new TesseraGenerateOptions();
var progress = options.progress;
var seed = options.seed == 0 ? UnityEngine.Random.Range(int.MinValue, int.MaxValue) : options.seed;
var xororng = new XoRoRNG(seed);
Validate();
TesseraGeneratorHelper.SetupModelFromTiles(tiles, out var allTiles, out var internalAdjacencies, out var tilesByFaceDir);
var model = new AdjacentModel(DirectionSet.Cartesian3d);
foreach (var(tile, frequency) in allTiles)
{
model.SetFrequency(tile, frequency);
}
foreach (var(tile1, tile2, d) in internalAdjacencies)
{
model.AddAdjacency(tile1, tile2, d);
}
// Generate adjacencies
AddAdjacency(palette, model, Direction.XPlus, tilesByFaceDir[FaceDir.Right], tilesByFaceDir[FaceDir.Left]);
AddAdjacency(palette, model, Direction.YPlus, tilesByFaceDir[FaceDir.Up], tilesByFaceDir[FaceDir.Down]);
AddAdjacency(palette, model, Direction.ZPlus, tilesByFaceDir[FaceDir.Forward], tilesByFaceDir[FaceDir.Back]);
var initialConstraints = searchInitialConstraints ? GetInitialConstraints() : this.initialConstraints;
var constraints = GetTileConstraints(model);
var actualSkyBox = skyBox == null ? null : new TesseraInitialConstraint
{
faceDetails = skyBox.faceDetails,
offsets = skyBox.offsets,
};
return(new TesseraGeneratorHelper(
palette,
model,
allTiles,
initialConstraints,
constraints,
tilesByFaceDir,
size,
backtrack,
actualSkyBox,
progress,
null,
xororng,
options.cancellationToken));
}
