# Hurry Curry! - a game about cooking
# Copyright 2024 metamuffin
# Copyright 2024 tpart
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, version 3 of the License only.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
class_name SceneTransition
extends Control

@onready var anim: AnimationPlayer = $AnimationPlayer

var s_current = false
var s_target = false
var fading = false

func _ready():
	$ColorRect.visible = true

func next():
	while fading: await anim.animation_finished
	if s_target == s_current: return
	fading = true
	if s_target:
		anim.play_backwards("fade")
		await anim.animation_finished
		self.mouse_filter = Control.MOUSE_FILTER_IGNORE
		s_current = true
	else:
		self.mouse_filter = Control.MOUSE_FILTER_STOP
		anim.play("fade")
		await anim.animation_finished
		s_current = false
	fading = false
	await next()

func fade_in():
	s_target = true
	await next()
func fade_out():
	s_target = false
	await next()

func _exit_tree():
	if fading: push_error("SceneTransition destroyed while fading")