class_name Level extends GridMap

@export var enemy_pool: Array[Enemy]
@export var player_spawns: Array[Node3D]
@export var enemy_spawns: Array[Node3D]
@export var enemy_goals: Array[Node3D]
@export var corpses: Node3D
@export var a_star_graph_3d: AStarGraph3D
@export var cinematic_cam: CinematicCamManager
@export var printer: CardPrinter
@export var shop: ShopStand
@export var obstacle_scenes: Array[PackedScene]


func generate_obstacles() -> void:
	#print(str(multiplayer.get_unique_id()) + " spawning obstacles with seed: " + str(Game.rng.seed))
	var obstacle_count: int = Game.randi_in_range(1, 0, 5)
	for index: int in obstacle_count:
		var x: int = Game.randi_in_range(10 * index, 1 - a_star_graph_3d.grid_size.x, a_star_graph_3d.grid_size.x - 1)
		var y: int = Game.randi_in_range(32 * index, 1 - a_star_graph_3d.grid_size.y, a_star_graph_3d.grid_size.y - 1)
		var chosen_obstacle: int = Game.randi_in_range(4 * index, 0, obstacle_scenes.size() - 1)
		var obstacle: GridMap = obstacle_scenes[chosen_obstacle].instantiate() as GridMap
		var orientations: Array[int] = [0, 90, 180, 270]
		var chosen_orientation: int = Game.randi_in_range(15 * index, 0, orientations.size() - 1)
		obstacle.position = Vector3(x, 0, y)
		obstacle.set_rotation_degrees(Vector3(0, chosen_orientation, 0))
		add_child(obstacle)
		for cell: Vector3i in obstacle.get_used_cells():
			var cell_coord: Vector3 = obstacle.to_global(obstacle.map_to_local(cell))
			remove_world_tile(round(cell_coord.x), round(cell_coord.z))
		obstacle.queue_free()


func cell_coord_to_astar_point(x: int, y: int) -> int:
	var center_point_x: int = floori(a_star_graph_3d.grid_size.x / 2.0) * a_star_graph_3d.grid_size.y
	var center_point_y: int = floori(a_star_graph_3d.grid_size.y / 2.0)
	return (center_point_x + ((x / 2.0) * a_star_graph_3d.grid_size.y)) + (center_point_y + (y / 2.0))


func remove_world_tile(x: int, y: int) -> void:
	if get_cell_item(Vector3i(x, 0, y)) != 1 or abs(x) >= a_star_graph_3d.grid_size.x or abs(y) >= a_star_graph_3d.grid_size.y:
		return
	set_cell_item(Vector3i(x, 0, y), INVALID_CELL_ITEM)
	var point: int = cell_coord_to_astar_point(x, y)
	var north_point: int = cell_coord_to_astar_point(x - 1, y)
	var south_point: int = cell_coord_to_astar_point(x + 1, y)
	var east_point: int = cell_coord_to_astar_point(x, y + 1)
	var west_point: int = cell_coord_to_astar_point(x, y - 1)
	if x % 2 == 0 and y % 2 == 0: #If the tile is on a point on the pathfinding grid
		a_star_graph_3d.astar.set_point_disabled(point)
	if x % 2 == 1 and y % 2 == 0: #If the cell breaks a north-south link
		a_star_graph_3d.astar.disconnect_points(north_point, south_point)
	if x % 2 == 0 and y % 2 == 1: #If the cell breaks a east-west link
		a_star_graph_3d.astar.disconnect_points(east_point, west_point)