@tool
class_name ContiguousBar extends Control

@onready var fill: NinePatchRect = $Fill

@export var value: int:
	set(v):
		value = v
		_refresh()

@export var max_value: int:
	set(v):
		max_value = v
		_refresh()


func _ready() -> void:
	_refresh()


func _refresh() -> void:
	if fill == null:
		return
	var ratio := 0.0
	if max_value > 0:
		ratio = clampf(float(value) / float(max_value), 0.0, 1.0)
	fill.anchor_top = 0.0
	fill.anchor_bottom = 1.0
	fill.anchor_right = 1.0
	fill.anchor_left = 1.0 - ratio
	fill.offset_top = 1.0
	fill.offset_bottom = -1.0
	fill.offset_right = -1.0
	fill.offset_left = 2.0 * ratio - 1.0