TouhouGD/script/effect/effect_base.gd

extends Node3D
class_name EffectBase

@export var lifetime: float = 1
@export var is_billboard: bool
@export var is_ground: bool

var resource_name: String
var lifetime_now: float
var is_pause: bool = false
var rate: float

signal effect_destroy(resource_name: String)

func _ready():
	on_ready()
	for child in get_children():
		if child is EffectBase:
			if child.lifetime > lifetime:
				lifetime = child.lifetime
		else:
			continue
	lifetime_now = lifetime


func _process(delta) -> void:
	if is_pause:
		return
	lifetime_now -= delta
	if lifetime_now <= 0:
		effect_destroy.emit(resource_name)
		queue_free()
		return
	rate = lifetime_now / lifetime
	on_process(delta)
	return


func set_pause(is_pause_set: bool):
	is_pause = is_pause_set
	for child in get_children():
		if child is EffectBase:
			child.set_pause(is_pause)
		else:
			continue
	on_set_pause()


func on_ready(): pass


func on_process(delta: float): pass


func on_set_pause(): pass