something witness-y but not really

puzzle_panel.gd

extends Area

# Has a bunch of collisionshape children to check different squares against.
# Not the most optimized  system since it's multiple objects vs contained in one plane.
# Z clipping in picking is also an issue

class_name PuzzlePanel

const HALF_PI := 1.570796

enum DIRECTIONS {
	UP,
	RIGHT,
	DOWN,
	LEFT
}

var tile_grid := {}

var _current_moving_tiles := {}

onready var tween: Tween = $Tween


func _ready() -> void:
	connect("input_event", self, "_on_input_event")
	tween.connect("tween_completed", self, "_on_tween_completed")


func _on_input_event(_camera: Node, event: InputEvent, _click_position: Vector3, _click_normal: Vector3, shape_idx: int) -> void:
	if event is InputEventMouseButton:
		if event.pressed:
			var tile: CollisionShape = get_child(shape_idx)
			if tile.name in _current_moving_tiles.keys():
				return
			rotate_tile(tile, "left" if event.button_index == 1 else "right")


func rotate_tile(tile: Node, direction: String) -> void:
	var rotation_amount: Vector3 = Vector3.BACK * (PI if direction == "left" else -PI)
	rotation_amount.z = stepify(rotation_amount.z, HALF_PI)
	_current_moving_tiles[tile.name] = tween.interpolate_property(
		tile, "rotation",
		tile.rotation, tile.rotation + rotation_amount,
		0.5, Tween.TRANS_BACK, Tween.EASE_OUT
	)
	tween.start()
	print_debug(_current_moving_tiles)


func _on_tween_completed(object: Object, _key: NodePath) -> void:
	_current_moving_tiles.erase(object.name)
	print_debug(_current_moving_tiles)


func interact() -> void:
	pass