@tool
extends TileMap

var noise = FastNoiseLite.new()
@export var start = false 
@export var map_size : Vector2 = Vector2(30,30)

func _ready():
	generate_map()
	
func _process(delta):
	if Engine.is_editor_hint():
		if start == true:
			generate_map()
			start = false

func generate_map():
	var tile_size = cell_quadrant_size
	map_size = map_size 
	
	for x in range(map_size.x):
		for y in range(map_size.y):
			var noise_value = noise.get_noise_2d(x,y)
			var tile_coord = get_tile_coordinates(noise_value)
			set_cell(0, Vector2(x, y), 0, tile_coord )
	
func get_tile_coordinates(noise_value):
	if noise_value < -0.4:
		return Vector2i(0,0) # Wasserstufe 1
	elif noise_value < -0.2:
		return Vector2i(1,0) # Wasserstufe 2
	elif noise_value < 0:
		return Vector2i(2,0) # Wasserstufe 3
	elif noise_value < 0.2:
		return Vector2i(3,0) # Wasserstufe 4
	elif noise_value < 0.4:
		return Vector2i(4,0) # Wasserstufe 5
	elif noise_value < 0.5:
		return Vector2i(5,0) # Sand
	elif noise_value < 0.6:
		return Vector2i(6,0) # Gras
	elif noise_value < 0.7:
		return Vector2i(7,0) # Baum
	elif noise_value < 0.8:
		return Vector2i(0,1) # Strauch
	elif noise_value < 0.9:
		return Vector2i(1,1) # Blume
	else:
		return Vector2i(2,1) # Stein