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- import { Node, Prefab, _decorator, assetManager, find, instantiate } from 'cc';
- import { resLoader } from 'db://assets/core_tgx/base/ResLoader';
- import { EventDispatcher } from 'db://assets/core_tgx/easy_ui_framework/EventDispatcher';
- import { GlobalConfig } from '../../../start/Config/GlobalConfig';
- import { GameEvent } from '../Enum/GameEvent';
- import { LevelAction } from '../LevelAction';
- import { LevelModel } from '../Model/LevelModel';
- import { GameUtil } from '../GameUtil';
- const { ccclass, property } = _decorator;
- @ccclass('LevelManager')
- export class LevelManager {
- private static _instance: LevelManager | null = null;
- public static get instance(): LevelManager {
- if (!this._instance) this._instance = new LevelManager();
- return this._instance;
- }
- public levelModel: LevelModel = null;
- currentLevel: Node = null!;
- randomLevel: number = 0;
- initilizeModel(): void {
- this.levelModel = new LevelModel();
- this.preloadLevel();
- this.registerEvent();
- }
- private registerEvent(): void {
- // EventDispatcher.instance.on(GameEvent.EVENT_BATTLE_SUCCESS_LEVEL_UP, this.levelUpHandler, this);
- EventDispatcher.instance.on(GameEvent.EVENT_BATTLE_FAIL_LEVEL_RESET, this.restartLevelHandler, this);
- }
- async loadAsyncLevel(level: number): Promise<Prefab> {
- return new Promise((resolve, reject) => {
- const bundle = assetManager.getBundle(resLoader.gameBundleName);
- if (!bundle) {
- console.error("module_nut is null!");
- reject();
- }
- console.log('加载的level:', level);
- resLoader.loadAsync(resLoader.gameBundleName, `Prefabs/CarColorsLevels/lvl_${level}`, Prefab).then((prefab: Prefab) => {
- resolve(prefab);
- })
- })
- }
- /** 预加载关卡*/
- async preloadLevel() {
- const bundle = assetManager.getBundle(resLoader.gameBundleName);
- for (let i = 1; i <= GlobalConfig.levelTotal; i++) {
- bundle.preload(`Prefabs/CarColorsLevels/lvl_${i}`, Prefab, null, () => {
- console.log(`Level:${i} 预加载完成!`);
- })
- }
- }
- async levelUpHandler() {
- this.clearLevelData();
- this.upgradeLevel();
- await this.gameStart();
- }
- async restartLevelHandler() {
- this.clearLevelData();
- await this.gameStart();
- }
- public async gameStart() {
- const { level } = this.levelModel;
- await this.loadLevel(level);
- await GameUtil.delay(0.2);
- EventDispatcher.instance.emit(GameEvent.EVENT_UPDATE_LEFT_NAIL);
- }
- /** 清除关卡数据*/
- clearLevelData(): void {
- this.levelModel.clearLevel();
- }
- upgradeLevel(up: number = 1): void {
- this.levelModel.level += up;
- EventDispatcher.instance.emit(GameEvent.EVENT_BATTLE_SUCCESS_LEVEL_UP);
- }
- async loadLevel(level: number): Promise<Node> {
- let levelPrefab = null;
- levelPrefab = await this.loadAsyncLevel(level);
- if (this.currentLevel) {
- this.currentLevel.destroy();
- }
- if (!levelPrefab) {
- console.log(`关卡预设不存在 level: ${level}.`)
- return;
- }
- this.currentLevel = instantiate(levelPrefab);
- find("Canvas/Scene/Levels").removeAllChildren();
- find("Canvas/Scene/Levels").addChild(this.currentLevel);
- return this.currentLevel;
- }
- }
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