extends Node2D
## Draw only the eight border patches, preserving transparency and corner proportions.
const TEXTURE_PATH := "res://assets/ui/frames/ship_ornament.png"
var corner_size := 16.0
var opacity := 0.9
var _texture: Texture2D
var _region: Rect2

func _ready() -> void:
	name = "OrnamentalFrame"
	z_index = 1
	_texture = load(TEXTURE_PATH)
	var source := _texture.get_image()
	if source.is_compressed(): source.decompress()
	_region = Rect2(source.get_used_rect())
	(get_parent() as Control).resized.connect(queue_redraw)
	queue_redraw()

func _draw() -> void:
	if _texture == null: return
	var extent: Vector2 = (get_parent() as Control).size
	var edge := minf(corner_size, minf(extent.x, extent.y) * 0.25)
	var source_x := _region.size.x * 0.1
	var source_y := _region.size.y * 0.18
	var sx := [0.0, source_x, _region.size.x - source_x, _region.size.x]
	var sy := [0.0, source_y, _region.size.y - source_y, _region.size.y]
	var dx := [0.0, edge, extent.x - edge, extent.x]
	var dy := [0.0, edge, extent.y - edge, extent.y]
	for y in range(3):
		for x in range(3):
			if x == 1 and y == 1: continue
			var destination := Rect2(Vector2(dx[x],dy[y]),Vector2(dx[x+1]-dx[x],dy[y+1]-dy[y]))
			var source := Rect2(_region.position + Vector2(sx[x],sy[y]),Vector2(sx[x+1]-sx[x],sy[y+1]-sy[y]))
			draw_texture_rect_region(_texture,destination,source,Color(1,1,1,opacity))