extends Node

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	var width: int = 100
	var height: int = 100
	var terrainMap: Array[Variant] = generateTerrainMap(width, height)
	paintTerrainMap($Ground, terrainMap, "grass", 0)

func generateTerrainMap(width: int, heigth: int) -> Array[Variant]:
	var terrainMap: Array[Variant] = []
	for y in range(heigth):
		terrainMap.append([])
		for x in range(width):
			if randf() < 0.1: # 10% chance for asphalt
				terrainMap[y].append("asphalt")
			else:
				terrainMap[y].append("grass")
	
	return terrainMap
	
func paintTerrainMap(layer, terrain_map, default_terrain, terrain_set_index):
	var tile_set = layer.tile_set
	#var terrain_set = tile_set.get_terrain_set(terrain_set_index)
	#var grass_id = terrain_set.find_terrain_by_name("Gras")
	#var asphalt_id = terrain_set.find_terrain_by_name("Asphalt")

	# Collect coordinates for each terrain type
	var grass_cells = []
	var asphalt_cells = []

	for y in range(terrain_map.size()):
		for x in range(terrain_map[y].size()):
			var terrain_name = terrain_map[y][x]
			if terrain_name == "grass":
				grass_cells.append(Vector2i(x, y))
			elif terrain_name == "asphalt":
				asphalt_cells.append(Vector2i(x, y))

	# Paint grass
	if grass_cells.size() > 0:
		$Ground.set_cells_terrain_connect(grass_cells, terrain_set_index, 0)
	# Paint asphalt
	if asphalt_cells.size() > 0:
		for x in range(asphalt_cells.size()):
			for y in range(asphalt_cells.size()):
				if terrain_map[x][y] == "asphalt":
					$Roads.set_cell(Vector2i(x, y), 1, Vector2i(9, 16))