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GameStateManager

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k8w
2021-12-28 22:45:50 +08:00
parent b9b6be0c7f
commit 5a6ae0b679
22 changed files with 887 additions and 815 deletions
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1
examples/cocos-creator-airplane/frontend/assets/env.ts Normal file
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import 'k8w-extend-native';

1122
examples/cocos-creator-airplane/frontend/assets/script/gameManager.ts → examples/cocos-creator-airplane/frontend/assets/script/GameController.ts
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examples/cocos-creator-airplane/frontend/assets/script/gameManager.ts.meta → examples/cocos-creator-airplane/frontend/assets/script/GameController.ts.meta
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187
examples/cocos-creator-airplane/frontend/assets/script/GameStateManager.ts Normal file
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import { WsClient } from "tsrpc-browser";
import { GameSystem } from "../scripts/shared/game/GameSystem";
import { GameSystemState } from "../scripts/shared/game/GameSystemState";
import { ClientInput, MsgGameInput } from "../scripts/shared/protocols/game/client/MsgGameInput";
import { MsgGameStart } from "../scripts/shared/protocols/game/server/MsgGameStart";
import { MsgServerFrame } from "../scripts/shared/protocols/game/server/MsgServerFrame";
import { serviceProto, ServiceType } from "../scripts/shared/protocols/serviceProto";
import { CurrentUser } from "../scripts/shared/types/CurrentUser";
import { RoomState } from "../scripts/shared/types/RoomState";
/**
* 前端游戏状态管理
* 主要用于实现前端的预测和和解
*/
export class GameStateManager {
client: WsClient<ServiceType>;
roomState: RoomState;
gameSystem!: GameSystem;
serverState!: GameSystemState;
lastSN = 0;
get state() {
return this.gameSystem.state;
}
currentUser?: CurrentUser;
constructor() {
let client = this.client = new WsClient(serviceProto, {
server: `ws://${location.hostname}:3000`,
json: true,
// logger: console
});
client.listenMsg('game/server/ServerFrame', msg => { this._onServerFrame(msg) });
client.listenMsg('game/server/GameStart', msg => {
this._startGame(msg);
});
client.listenMsg('room/server/UpdateRoomState', msg => {
this.roomState = msg.state;
})
// 模拟网络延迟 可通过 URL 参数 ?lag=200 设置延迟
let networkLag = parseInt(new URLSearchParams(location.search).get('lag') || '0') || 0;
if (networkLag) {
client.flows.preRecvDataFlow.push(async v => {
await new Promise(rs => { setTimeout(rs, networkLag) })
return v;
});
client.flows.preSendDataFlow.push(async v => {
await new Promise(rs => { setTimeout(rs, networkLag) })
return v;
});
}
(window as any).gm = this;
}
private _promiseEnsureConnected?: Promise<void>;
async ensureConnected() {
if (!this._promiseEnsureConnected) {
this._promiseEnsureConnected = this._doEnsureConnected().then(() => {
this._promiseEnsureConnected = undefined;
});
}
return this._promiseEnsureConnected;
}
private async _doEnsureConnected() {
if (!this.client.isConnected) {
let resConnect = await this.client.connect();
if (!resConnect.isSucc) {
await new Promise(rs => { setTimeout(rs, 2000) })
return this._doEnsureConnected();
}
}
}
async login(): Promise<boolean> {
if (this.currentUser) {
return true;
}
let nickname: string;
while (!nickname) {
nickname = prompt('给自己取个名字：', '');
}
await this.ensureConnected();
let ret = await this.client.callApi('Login', { nickname: nickname });
if (!ret.isSucc) {
alert(ret.err.message);
return false;
}
this.currentUser = ret.res.currentUser;
return true;
}
async join(): Promise<void> {
await this.ensureConnected();
let ret = await this.client.callApi('room/JoinRoom', { roomId: 123 });
if (!ret.isSucc) {
if (confirm(`加入房间失败\n${ret.err.message}\n是否重试 ?`)) {
return this.join();
}
else {
return;
}
}
this.roomState = ret.res.roomState;
}
private _startGame(msg: MsgGameStart) {
this.gameSystem = new GameSystem(msg.gameState);
this.serverState = Object.merge({}, msg.gameState);
this._lastLocalTime = Date.now();
}
private _onServerFrame(frame: MsgServerFrame) {
if (!this.gameSystem) {
return;
}
// 回滚至上一次的权威状态
this.gameSystem.state = Object.merge({}, this.serverState);
// 计算最新的权威状态
for (let input of frame.inputs) {
this.gameSystem.applyInput(input);
}
this.serverState = Object.merge({}, this.gameSystem.state);
this._lastLocalTime = Date.now();
// 和解 = 权威状态 + 本地输入 （最新的本地预测状态）
let lastSn = frame.lastSn ?? -1;
this.pendingInputMsgs.remove(v => v.sn <= lastSn);
this.pendingInputMsgs.forEach(m => {
m.inputs.forEach(v => {
this.gameSystem.applyInput({
...v,
playerId: this.currentUser.id
});
})
})
}
pendingInputMsgs: MsgGameInput[] = [];
sendClientInput(input: ClientInput) {
// 已掉线或暂未加入，忽略本地输入
if (!this.currentUser || !this.client.isConnected) {
return;
}
// 构造消息
let msg: MsgGameInput = {
sn: ++this.lastSN,
inputs: [input]
}
// 向服务端发送输入
this.pendingInputMsgs.push(msg);
this.client.sendMsg('game/client/GameInput', msg);
// 预测状态：本地立即应用输入
this.predictTimePast();
this.gameSystem.applyInput({
...input,
playerId: this.currentUser.id
});
}
// 本地预测时间流逝（但不提交，会以下一次服务器同步为准）
private _lastLocalTime!: number;
predictTimePast() {
const now = Date.now();
let dt = now - this._lastLocalTime;
this.gameSystem.applyInput({
type: 'TimePast',
dt: dt
});
this._lastLocalTime = now;
}
}

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examples/cocos-creator-airplane/frontend/assets/script/StateManager.ts
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@@ -1,133 +0,0 @@
import { WsClient } from "tsrpc-browser";
import { GameSystem, GameSystemState } from "../shared/game/GameSystem";
import { ClientInput, MsgClientInput } from "../shared/protocols/client/MsgClientInput";
import { MsgFrame } from "../shared/protocols/server/MsgFrame";
import { serviceProto, ServiceType } from "../shared/protocols/serviceProto";
/**
* 前端游戏状态管理
* 主要用于实现前端的预测和和解
*/
export class StateManager {
client: WsClient<ServiceType>;
gameSystem = new GameSystem();
lastServerState: GameSystemState = this.gameSystem.state;
lastRecvSetverStateTime = 0;
selfPlayerId: number = -1;
lastSN = 0;
get state() {
return this.gameSystem.state;
}
constructor() {
let client = this.client = new WsClient(serviceProto, {
server: `ws://${location.hostname}:3000`,
json: true,
// logger: console
});;
client.listenMsg('server/Frame', msg => { this._onServerSync(msg) });
// 模拟网络延迟 可通过 URL 参数 ?lag=200 设置延迟
let networkLag = parseInt(new URLSearchParams(location.search).get('lag') || '0') || 0;
if (networkLag) {
client.flows.preRecvDataFlow.push(async v => {
await new Promise(rs => { setTimeout(rs, networkLag) })
return v;
});
client.flows.preSendDataFlow.push(async v => {
await new Promise(rs => { setTimeout(rs, networkLag) })
return v;
});
}
(window as any).gm = this;
}
async join(): Promise<void> {
if (!this.client.isConnected) {
let resConnect = await this.client.connect();
if (!resConnect.isSucc) {
await new Promise(rs => { setTimeout(rs, 2000) })
return this.join();
}
}
let ret = await this.client.callApi('Join', {});
if (!ret.isSucc) {
if (confirm(`加入房间失败\n${ret.err.message}\n是否重试 ?`)) {
return this.join();
}
else {
return;
}
}
this.gameSystem.reset(ret.res.gameState);
this.lastServerState = Object.merge(ret.res.gameState);
this.lastRecvSetverStateTime = Date.now();
this.selfPlayerId = ret.res.playerId;
}
private _onServerSync(frame: MsgFrame) {
// 回滚至上一次的权威状态
this.gameSystem.reset(this.lastServerState);
// 计算最新的权威状态
for (let input of frame.inputs) {
this.gameSystem.applyInput(input);
}
this.lastServerState = Object.merge({}, this.gameSystem.state);
this.lastRecvSetverStateTime = Date.now();
// 和解 = 权威状态 + 本地输入 （最新的本地预测状态）
let lastSn = frame.lastSn ?? -1;
this.pendingInputMsgs.remove(v => v.sn <= lastSn);
this.pendingInputMsgs.forEach(m => {
m.inputs.forEach(v => {
this.gameSystem.applyInput({
...v,
playerId: this.selfPlayerId
});
})
})
}
pendingInputMsgs: MsgClientInput[] = [];
sendClientInput(input: ClientInput) {
// 已掉线或暂未加入，忽略本地输入
if (!this.selfPlayerId || !this.client.isConnected) {
return;
}
// 构造消息
let msg: MsgClientInput = {
sn: ++this.lastSN,
inputs: [input]
}
// 向服务端发送输入
this.pendingInputMsgs.push(msg);
this.client.sendMsg('client/ClientInput', msg);
// 预测状态：本地立即应用输入
this.gameSystem.applyInput({
...input,
playerId: this.selfPlayerId
});
}
// 本地时间流逝（会被下一次服务器状态覆盖）
localTimePast() {
this.gameSystem.applyInput({
type: 'TimePast',
dt: Date.now() - this.lastRecvSetverStateTime
});
this.lastRecvSetverStateTime = Date.now();
}
}

2
examples/cocos-creator-airplane/frontend/assets/script/bullet/bulletManager.ts
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@@ -1,7 +1,7 @@
import { _decorator, Component, Node, Collider, find, ITriggerEvent, Script } from 'cc';
import { Constant } from '../framework/constant';
import { GameManager } from '../gameManager';
import { GameManager } from '../GameController';
const { ccclass, property } = _decorator;

2
examples/cocos-creator-airplane/frontend/assets/script/bullet/fightIconBullet.ts
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@@ -1,7 +1,7 @@
import { _decorator, Component, Node, Collider, ITriggerEvent } from 'cc';
import { Constant } from '../framework/constant';
import { GameManager } from '../gameManager';
import { GameManager } from '../GameController';
const { ccclass, property } = _decorator;

2
examples/cocos-creator-airplane/frontend/assets/script/plane/enemyPlane.ts
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@@ -2,7 +2,7 @@
import { _decorator, Component, Node, Collider, ITriggerEvent, physics, PhysicsSystem, find, Game, Prefab, NodePool, instantiate, Vec2, Vec3, AudioSource } from 'cc';
import { bulletManager } from '../bullet/bulletManager';
import { Constant } from '../framework/constant';
import { GameManager } from '../gameManager';
import { GameManager } from '../GameController';
const { ccclass, property } = _decorator;

2
examples/cocos-creator-airplane/frontend/assets/script/plane/selfPlane.ts
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@@ -1,7 +1,7 @@
import { _decorator, Component, Node, Collider, ITriggerEvent } from 'cc';
import { Constant } from '../framework/constant';
import { GameManager } from '../gameManager';
import { GameManager } from '../GameController';
const { ccclass, property } = _decorator;

2
examples/cocos-creator-airplane/frontend/assets/script/ui/uiMain.ts
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@@ -1,6 +1,6 @@
import { _decorator, Component, Node, UITransform, Vec2, Vec3, find, Script, game, Label, CameraComponent, Camera, EventTouch, v3 } from 'cc';
import { GameManager } from '../gameManager';
import { GameManager } from '../GameController';
import { MovingSceneBg } from './common/movingSceneBg';
import { Tips } from './common/tips';

4
examples/cocos-creator-airplane/frontend/package.json
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"uuid": "c794458c-05f6-4c9f-909b-20d54897d219",
"version": "3.4.0",
"dependencies": {
"seedrandom": "^3.0.5",
"tsrpc-browser": "^3.1.4"
},
"devDependencies": {
"@types/seedrandom": "^3.0.1"
}
}

6
examples/cocos-creator-airplane/frontend/tsconfig.json
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{
/* Base configuration. Do not edit this field. */
"extends": "./temp/tsconfig.cocos.json",
/* Add your custom configuration here. */
"compilerOptions": {
"strict": false
"strict": false,
"allowSyntheticDefaultImports": true
}
}
}