/// <summary>
/// Produces a copy of this XoRoRNG instance, such that next generated numbers by the returned instance is
/// same as the current instance's next generated numbers. This just copies the states to the new instance
/// and, usually, produce new value with the same exact states.
/// </summary>
/// <returns></returns>
public XoRoRNG Copy()
{
XoRoRNG next = new XoRoRNG(State0);
next.State0 = State0;
next.State1 = State1;
return(next);
}
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));
}
