cocos-nodejs-io-game/apps/client/assets/Scripts/Scene/BattleManager.ts

import { _decorator, Component, Node, Prefab, instantiate, SpriteFrame } from 'cc';
import { ActorManager } from '../Entity/Actor/ActorManager';
import DataManager from '../Global/DataManager';
import { JoyStickManager } from '../UI/JoyStickManager';
import { ResourceManager } from '../Global/ResourceManager';
import { PrefabPathEnum, TexturePathEnum } from '../Enum';
import NetworkManager from '../Global/NetworkManager';
import ObjectPoolManager from '../Global/ObjectPoolManager';
import { BulletManager } from '../Entity/Bullet/BulletManager';
import { ApiMsgEnum, EntityTypeEnum, IMsgServerSync, InputTypeEnum } from '../Common';
import { toFixed } from '../Utils';

const { ccclass } = _decorator;

@ccclass('BattleManager')
export class BattleManager extends Component {
    stage: Node
    ui: Node
    isInited = false
    onLoad() {
        this.stage = DataManager.Instance.stage = this.node.getChildByName("Stage")
        this.ui = this.node.getChildByName("UI")
    }

    async start() {
        this.clearGame()
        await this.loadRes()
        this.initScene()
        await this.connectServer()
        NetworkManager.Instance.listenMsg(ApiMsgEnum.MsgServerSync, this.handleSync);
        this.isInited = true
    }

    clearGame() {
        this.stage.destroyAllChildren()
        this.ui.destroyAllChildren()
    }

    async loadRes() {
        const list = []
        for (const type in PrefabPathEnum) {
            const p = ResourceManager.Instance.loadRes(PrefabPathEnum[type], Prefab).then((prefab) => {
                DataManager.Instance.prefabMap.set(type, prefab)
            })
            list.push(p)
        }
        for (const type in TexturePathEnum) {
            const p = ResourceManager.Instance.loadDir(TexturePathEnum[type], SpriteFrame).then((spriteFrames) => {
                DataManager.Instance.textureMap.set(type, spriteFrames)
            })
            list.push(p)
        }
        await Promise.all(list)
    }

    async initScene() {
        this.initJoyStick()
        this.initShoot()
        this.initMap()
    }

    async connectServer() {
        if (!await NetworkManager.Instance.connect().catch(() => false)) {
            await new Promise((resolve) => setTimeout(resolve, 1000))
            await this.connectServer()
        }
    }

    initJoyStick() {
        const prefab = DataManager.Instance.prefabMap.get(EntityTypeEnum.JoyStick)
        const joySitck = instantiate(prefab)
        joySitck.setParent(this.ui)
        const jm = DataManager.Instance.jm = joySitck.getComponent(JoyStickManager)
        jm.init()
    }

    initShoot() {
        const prefab = DataManager.Instance.prefabMap.get(EntityTypeEnum.Shoot)
        const shoot = instantiate(prefab)
        shoot.setParent(this.ui)
    }

    initMap() {
        const prefab = DataManager.Instance.prefabMap.get(EntityTypeEnum.Map1)
        const map = instantiate(prefab)
        map.setParent(this.stage)
    }

    handleSync({ inputs }: IMsgServerSync) {
        for (const input of inputs) {
            DataManager.Instance.applyInput(input)
        }
    }

    update(dt: number) {
        if (!this.isInited) {
            return
        }
        this.render()
        this.tick(dt)
    }

    tick(dt: number) {
        this.tickPlayer(dt)
        this.tickGlobal(dt)
    }

    tickPlayer(dt: number) {
        for (const p of DataManager.Instance.state.players) {
            const playerManager = DataManager.Instance.actorMap.get(p.id)
            if (!playerManager) {
                return
            }
            playerManager.tick(dt)
        }
    }

    tickGlobal(dt: number) {
        NetworkManager.Instance.sendMsg(ApiMsgEnum.MsgClientSync, {
            input: {
                type: InputTypeEnum.TimePast,
                dt: toFixed(dt),
            }
        })
    }

    render() {
        this.renderPlayer()
        this.renderBullet()
    }

    renderPlayer() {
        for (const p of DataManager.Instance.state.players) {
            let playerManager = DataManager.Instance.actorMap.get(p.id)
            if (!playerManager) {
                const playerPrefab = DataManager.Instance.prefabMap.get(p.type)
                const player = instantiate(playerPrefab)
                player.setParent(this.stage)
                playerManager = player.addComponent(ActorManager)
                DataManager.Instance.actorMap.set(p.id, playerManager)
                playerManager.init(p)
            } else {
                playerManager.render(p)
            }
        }
    }

    renderBullet() {
        for (const b of DataManager.Instance.state.bullets) {
            let bulletManager = DataManager.Instance.bulletMap.get(b.id)
            if (!bulletManager) {
                const bullet = ObjectPoolManager.Instance.get(b.type)
                bulletManager = bullet.getComponent(BulletManager) || bullet.addComponent(BulletManager)
                DataManager.Instance.bulletMap.set(b.id, bulletManager)
                bulletManager.init(b)
            } else {
                bulletManager.render(b)
            }
        }
    }
}