extends Camera

var ray_length = 100.0
var gridmap

var block_id = 0
func _ready():
	gridmap = get_node("/root/Spatial/GridMap")


func _physics_process(delta):
	if Input.is_action_just_pressed("choose_grass"):
		block_id = 0
	if Input.is_action_just_pressed("choose_wood"):
		block_id = 1
	if Input.is_action_just_pressed("choose_leaf"):
		block_id = 2
	if Input.is_action_just_pressed("delete"):
		var from = self.project_ray_origin(Vector2(
			self.get_viewport().size.x / 2,
			self.get_viewport().size.y / 2
		))
		var direction = self.project_ray_normal(Vector2(
			self.get_viewport().size.x / 2,
			self.get_viewport().size.y / 2
		))

		# Cast a Ray
		var space_state = get_world().direct_space_state
		var result = space_state.intersect_ray(from, from + direction * ray_length)

		if result.collider:
			var vec = result.collider.world_to_map(result.position)
			var camera_direction = -self.global_transform.basis.z
			print(camera_direction)
			gridmap.set_cell_item(vec.x + round(camera_direction.x),
			vec.y + round(camera_direction.y),
			vec.z + round(camera_direction.z), -1)
	if Input.is_action_just_pressed("create"):
		var from = self.project_ray_origin(Vector2(
			self.get_viewport().size.x / 2,
			self.get_viewport().size.y / 2
		))
		var direction = self.project_ray_normal(Vector2(
			self.get_viewport().size.x / 2,
			self.get_viewport().size.y / 2
		))

		var space_state = get_world().direct_space_state
		var result = space_state.intersect_ray(from, from + direction * ray_length)

		if result.collider:
			var vec = result.collider.world_to_map(result.position)
			print("Hit object: ", result.collider, vec)
			gridmap.set_cell_item(vec.x, vec.y, vec.z, block_id)