extends Button
export var action: String

var _touch_index : int = -1


func _unhandled_input(event: InputEvent) -> void:
    if event is InputEventScreenTouch:
        if event.pressed:
            if _is_point_inside_area(event.position) and _touch_index == -1:
                _touch_index = event.index
                get_tree().set_input_as_handled()
                Input.action_press(action)
        elif event.index == _touch_index:
            Input.action_release(action)
            _reset()
            get_tree().set_input_as_handled()


func _is_point_inside_area(point: Vector2) -> bool:
    var x: bool = point.x >= rect_global_position.x and point.x <= rect_global_position.x + (rect_size.x * get_global_transform_with_canvas().get_scale().x)
    var y: bool = point.y >= rect_global_position.y and point.y <= rect_global_position.y + (rect_size.y * get_global_transform_with_canvas().get_scale().y)
    return x and y


func _reset():
    _touch_index = -1