extends Node

class_name World

var heightMap: Array
var temperatureMap: Array
var moistureMap: Array

var blocs: Array
var entities: Array

var width: int
var height: int

func get_neighbours_8_at_same_height(point: Vector2):
	var neighbours = 0
	var current_bloc = heightMap[point.x][point.y]
	if heightMap[point.x-1][point.y-1] == current_bloc:
		neighbours += Global.directions_8.TOP_LEFT
	if heightMap[point.x][point.y-1] == current_bloc:
		neighbours += Global.directions_8.TOP
	if heightMap[point.x+1][point.y-1] == current_bloc:
		neighbours += Global.directions_8.TOP_RIGHT
	if heightMap[point.x+1][point.y] == current_bloc:
		neighbours += Global.directions_8.RIGHT
	if heightMap[point.x+1][point.y+1] == current_bloc:
		neighbours += Global.directions_8.BOTTOM_RIGHT
	if heightMap[point.x][point.y+1] == current_bloc:
		neighbours += Global.directions_8.BOTTOM
	if heightMap[point.x-1][point.y+1] == current_bloc:
		neighbours += Global.directions_8.BOTTOM_LEFT
	if heightMap[point.x-1][point.y] == current_bloc:
		neighbours += Global.directions_8.LEFT
		
	return neighbours
	
func get_neighbours_4_at_same_height(point: Vector2):
	var neighbours = 0
	var current_bloc = heightMap[point.x][point.y]
	if heightMap[point.x][point.y-1] == current_bloc:
		neighbours += Global.directions_4.TOP
	if heightMap[point.x+1][point.y] == current_bloc:
		neighbours += Global.directions_4.RIGHT
	if heightMap[point.x][point.y+1] == current_bloc:
		neighbours += Global.directions_4.BOTTOM
	if heightMap[point.x-1][point.y] == current_bloc:
		neighbours += Global.directions_4.LEFT
		
	return neighbours

func get_bloc(point: Vector2):
	var bloc = {
		"x" = point.x,
		"y" = heightMap[point.x][point.y],
		"z" = point.y
	}
	for key in blocs[point.x][point.y].keys():
		bloc[key] = blocs[point.x][point.y][key]
		
	return bloc

func add_entity(position: Vector2):
	entities.append(Entity.new(position))
	blocs[position.x][position.y]["entity"] = entities.size()
	pass