public void SetupTilemapGeneration()
{
// Create tilemap if it does not exist
tilemap = GetComponent <Tilemap>();
if (tilemap == null)
{
tilemap = transform.gameObject.AddComponent <Tilemap>();
transform.gameObject.AddComponent <TilemapRenderer>();
}
// Set tilemap bounds object to the value of sideSize x sideSize x 0
tilemapBounds = new BoundsInt(Vector3Int.zero, new Vector3Int(sideSize, sideSize, 0));
// Initialize and fill the rules dictionary
rules.Add(TransformRule.WALL_FROM_BOUNDS, new TransformToTileFromBounds(TileType.WALL));
rules.Add(TransformRule.WALL_FROM_ADJACENTS, new TransformToWallFromAdjacents());
rules.Add(TransformRule.WALL_FOR_ROOM, new TransformToWallForRoom());
rules.Add(TransformRule.ROOM_FROM_ADJACENTS, new TransformToRoomFromAdjacents());
rules.Add(TransformRule.FLOOR_FROM_BOUNDS, new TransformToTileFromBounds(TileType.CORRIDOR));
defaultTile = TilemapHelper.GetDefaultTile();
// Create DataParser object
fileParser = new DataParser();
}