godot 4, lay down different sets of tiles

world.gd

extends Node2D

@onready var tile_map_layer: TileMapLayer = $TileMapLayer

enum farming_modes{DIRT, SEEDS, WATER, HARVEST}
var farming_mode_states: farming_modes = farming_modes.DIRT
# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	pass # Replace with function body.


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	managet_tools()
	if Input.is_action_just_pressed("interact"):
		var mos_pos = get_global_mouse_position()
		var tilemap_pos: Vector2i = tile_map_layer.local_to_map(mos_pos)
		
		if farming_mode_states == farming_modes.DIRT:
			use_dirt(tilemap_pos)
		if farming_mode_states == farming_modes.SEEDS:
			use_seeds(tilemap_pos)

func use_seeds(tilemap_pos: Vector2i ) -> void:
	if retrieve_custom_data(tilemap_pos, "can_place_seeds"):
		tile_map_layer.set_cell(tilemap_pos, 1, Vector2i(0, 0))
				
func use_dirt(tilemap_pos: Vector2i ) -> void:
	tile_map_layer.set_cell(tilemap_pos, 0, Vector2i(1, 0))

		
func managet_tools() ->void:
	if Input.is_action_just_pressed("dirt"):
		farming_mode_states = farming_modes.DIRT
	if Input.is_action_just_pressed("seeds"):
		farming_mode_states = farming_modes.SEEDS
	
func retrieve_custom_data(tile_map_pos: Vector2i, custom_data_layer: String):
	var tile_data: TileData = tile_map_layer.get_cell_tile_data(tile_map_pos)
	
	if tile_data:
		return tile_data.get_custom_data(custom_data_layer)
	else:
		return false