void Prepare(out TRenderTile[] tiles, out bool[] exists)
{
var owner = matchers.Owner;
var card = owner.Count;
var elements = (int)Math.Pow(card, 4);
tiles = new TRenderTile[elements];
exists = new bool[elements];
for (int a = 0; a < card; a += 1)
{
for (int b = 0; b < card; b += 1)
{
for (int c = 0; c < card; c += 1)
{
for (int d = 0; d < card; d += 1)
{
var key = new CellMapTileSelectorKey(owner[a], owner[b], owner[c], owner[d]);
exists[key.LinearIndex] = registry.TryFind(prefix, key, out tiles[key.LinearIndex]);
}
}
}
}
}
public bool Match(int x, int y, TileResultCollector <TRenderTile, TContext> resultCollector)
{
NavigateForDownwardRenderDirection(x, y, out MapCoordinate coordA,
out MapCoordinate coordB,
out MapCoordinate coordC,
out MapCoordinate coordD);
if (matchers.Match(coordA.X, coordA.Y, out ITileTagEntrySelection matchA) &&
matchers.Match(coordB.X, coordB.Y, out ITileTagEntrySelection matchB) &&
matchers.Match(coordC.X, coordC.Y, out ITileTagEntrySelection matchC) &&
matchers.Match(coordD.X, coordD.Y, out ITileTagEntrySelection matchD))
{
var linearIndex = CellMapTileSelectorKey.LinearIndexOf(matchA, matchB, matchC, matchD);
if (tileExists[linearIndex])
{
var tile = tiles[linearIndex];
resultCollector(SpritePosition.CellMap, tile, contextProvider(x, y));
return(true);
}
}
return(false);
}