// Randomly selects 'uniqueTileCount' number of tile definitions from the tileset and spawns 'totalTileCount' number of them.
// If totalTileCount is an odd number this will leave a null entry in the array to ensure there are always 2 of every type of tile.
SpriteTileInfo[] GetRandomTilePairs(int uniqueTileCount, int totalTileCount)
{
if (uniqueTileCount > _tileSet.Length)
{
Debug.LogWarning("GridController: Not enough unique tiles in tileSet.");
uniqueTileCount = _tileSet.Length;
}
// Shuffle the tileset so we just grab random one from the front of the array
SpriteTileInfo[] tiles = new SpriteTileInfo[totalTileCount];
_tileSet.Shuffle();
int j = 0;
// Copy tileset info into the array two at a time
for (int i = 0; i < tiles.Length - 1; i += 2)
{
SpriteTileInfo info = _tileSet[j++];
tiles[i] = info;
tiles[i + 1] = info;
if (j >= uniqueTileCount)
{
j = 0;
}
}
// Shuffle the final results into random order
tiles.Shuffle();
return(tiles);
}
// Update the tile to display the given SpriteTileInfo
public void SetSpriteTileInfo(SpriteTileInfo info)
{
_info = info;
_renderer.sprite = _info != null ? _info.sprite : null;
SetHighlighted(highlighted);
}
