LDtkTilesLayer
fun LDtkTilesLayer( tileset: LDtkTileset, tiles: Map<Int, List<LDtkTilesLayer.TileInfo>>, identifier: String, iid: String, type: LayerType, cellSize: Int, gridWidth: Int, gridHeight: Int, pxTotalOffsetX: Int, pxTotalOffsetY: Int, opacity: Float)