make each tile have custom data when placing them

[FowluhhDev]

basically just add the ability for unique custom data when placing a tile, not in the tileset but have multiple data values of the same tile, like say for example change the color of a specific tile through code with a new function that has a format of something like TileMapLayer.set_cell_data(layer: int, tile_location: Vector2i, target_data: StringName, value: Variant)

[sockeye-d]

You could accomplish something similar with a Dictionary that maps between Vector2i and something else:

var tile_data: Dictionary[Vector3i, String]


func place_tile(layer: int, coords: Vector2i, source_id: int, atlas_coords: Vector2i, custom_data: String) -> void:
    set_cell(layer, coords, source_id, atlas_coords)
    tile_data[Vector3i(atlas_coords.x, atlas_coords.y, layer)] = custom_data


func get_tile_data(layer: int, coords: Vector2i) -> String:
    return tile_data[Vector3i(atlas_coords.x, atlas_coords.y, layer)]