_Aliens/assets/module_aliens/Script/Manager/TimerMgr.ts

import { assetManager, instantiate, Prefab, Node, UITransform, Vec3, Vec2, view, game, director, Scheduler, Label } from "cc";

import { GameUtil } from "../GameUtil";
import { AliensGlobalInstance } from "../AliensGlobalInstance";


/** 时间管理器*/
export class TimerMgr {
    private static _instance: TimerMgr;
    public static get Instance(): TimerMgr {
        if (this._instance == null) {
            this._instance = new TimerMgr();
        }
        return this._instance;
    }

    public static get inst(): TimerMgr {
        return this.Instance;
    }

    public countDownTime: number = 1;
    private timerId: number = 0;
    private isPaused: boolean = false;  // 添加暂停标志

    constructor() {
    }

    // 开始倒计时
    public startCountdown(): void {
        if (this.isPaused) {
            this.resumeCountdown();
            return;
        }
        this.upateLbTime();
        this.timerId = setInterval(() => {
            if (!this.isPaused) {
                this.countDownTime--;
                if (this.countDownTime <= 0) {
                    this.stopCountdown();
                }
                this.upateLbTime();
            }
        }, 1000); // 每秒减少一次

        Scheduler.enableForTarget(this);
        director.getScheduler().schedule(this.update, this, 0);
    }

    private upateLbTime() {
        const battleUI = AliensGlobalInstance.instance.battleUI;
        const lbTime = battleUI.getChildByPath('Times/LbTime')!;
        // lbTime.getComponent(Label).string = this.countDownTime.toString();
        const format = GameUtil.formatToTimeString(this.countDownTime);
        lbTime.getComponent(Label).string = format;
    }

    // 停止倒计时
    private stopCountdown(): void {
        if (this.timerId) {
            clearInterval(this.timerId);
            this.timerId = 0;
        }
    }

    // 暂停倒计时
    public pauseCountdown(): void {
        this.isPaused = true;
        director.getScheduler().pauseTarget(this);
    }

    // 恢复倒计时
    public resumeCountdown(): void {
        this.isPaused = false;
        director.getScheduler().resumeTarget(this);
    }

    // 获取暂停状态
    public isPausedState(): boolean {
        return this.isPaused;
    }

    // update方法，每帧调用
    public update(dt: number): void {

    }

    // 销毁时清理
    public reset(): void {
        this.stopCountdown();
        this.isPaused = false;  // 重置暂停状态
        Scheduler.enableForTarget(this);
        director.getScheduler().unscheduleAllForTarget(this);
        this.countDownTime = 10; //测试
    }
}