tool
extends Sprite
class_name TK_FittingSprite

## A Sprite that is resized to absolute pixel size, no matter the texture.

const NO_SIZE_SENTINEL = Vector2(-1, -1)

export var target_size: Vector2 = NO_SIZE_SENTINEL setget _set_target_size

# todo: Ask context about preferred sizing if there's any.
func _enter_tree() -> void:
    if target_size == NO_SIZE_SENTINEL:
        self.target_size = texture.get_size()

func _set_target_size(p_size: Vector2) -> void:
    target_size = p_size
    _update_scale()

func _update_scale() -> void:
    scale = target_size / texture.get_size()