extends TileMap

@export var map_width = 13 # keep to a odd value
@export var map_height = 19 # keep to a odd value

func _ready():
	draw_map()
	
func draw_map():
	draw_ground()
	draw_separation()
	get_random_top_cell()

func draw_ground():
	for x in range(map_width):
		for y in range(map_height):
			set_cell(0, Vector2i(x, y), 0, Vector2i(0, 0), 0)

# The tilemap is initially divided in two section
# One for the player (bottom section)
# One for the enemy (top section)
func draw_separation():
	var middle_height = floor(map_height / 2.0)
	for x in range(map_width):
		set_cell(1, Vector2i(x - 1, middle_height - 1), 1, Vector2i(0, 0), 0) # why have we to add -1?

func get_top_spawn_cell() -> Vector2i:
	return Vector2i(floor(map_width / 2.0), 1)
	
func get_bottom_spawn_cell() -> Vector2i:
	return Vector2i(floor(map_width / 2.0), map_height - 2)

func get_random_top_cell() -> Vector2i:
	var middle_height = floor(map_height / 2.0)
	var rand_width = randi_range(0, map_width - 1)
	var rand_height = randi_range(0, middle_height - 1)
	#set_cell(0, Vector2i(rand_width, rand_height), 1, Vector2i(0, 0), 0)
	return Vector2i(rand_width, rand_height)