feat(framework): 收包路由分界(ActiveGame + Router)
C 规范 §4.1 的红线落地: - platform/agent/room 三个 route → 平台 handlers(未注册显式抛错) - 其他 route → activeGame.onReceive(rpc, data)(未激活或不匹配显式抛错) ActiveGame: 当前子游戏槽(set/clear/get),进房时 setGame、离房 clear。 Router: 纯分发,不持状态。错误一律抛(第二准则:不静默吞包)。 128/128 tests pass, typecheck exit 0。 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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import type { IGameModule } from '../sdk/index.ts';
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/**
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* 当前激活的子游戏槽(= 旧 Game_Modify 的运行时角色)。
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*
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* 框架在进房时 setGame(),离房时 clear()。Router 据此分发对局 route 的包。
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* 单例设计:同一时刻只允许一个子游戏激活(与旧 12_Logic 一致)。
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*/
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export class ActiveGame {
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private game: IGameModule | null = null;
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get(): IGameModule | null { return this.game; }
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set(game: IGameModule): void { this.game = game; }
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clear(): void { this.game = null; }
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}
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import type { InboundMessage } from '../core/types/envelope.ts';
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import { Route } from '../core/constants.ts';
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import type { ActiveGame } from './active-game.ts';
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/** 平台层 handler 表:key = rpc 字符串(与协议逐字对齐)。 */
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export type PlatformHandlers = Record<string, (data: unknown) => void>;
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/**
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* Router:收包路由分界(C §4.1 的红线)。
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*
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* 分发规则:
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* - route ∈ {platform, agent, room} → 平台 handlers(RpcList 覆盖的包)
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* - route = <game route>(= activeGame.route)→ activeGame.onReceive
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* - 其他或未注册:显式抛错(第二准则:不静默吞包)
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*
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* 不持有状态——只做消息分发。状态由 PlatformSession/子游戏维护。
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*/
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export class Router {
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constructor(
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private readonly opts: {
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activeGame: ActiveGame;
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platformHandlers: PlatformHandlers;
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},
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) {}
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dispatch(msg: InboundMessage): void {
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const { route, rpc, data } = msg;
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// 平台三层 route:platform/agent/room 全部走平台 handlers
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if (route === Route.platform || route === Route.agent || route === Route.room) {
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const handler = this.opts.platformHandlers[rpc];
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if (!handler) {
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throw new Error(
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`Router 收到未注册的平台 rpc: route=${route} rpc=${rpc}(platformHandlers 未注册,第二准则禁止兜底)`,
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);
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}
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handler(data);
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return;
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}
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// 对局 route:必须与 activeGame.route 严格匹配
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const game = this.opts.activeGame.get();
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if (!game) {
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throw new Error(
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`Router 收到对局包但无激活子游戏: route=${route} rpc=${rpc}(未进房或子游戏未注册)`,
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);
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}
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if (game.route !== route) {
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throw new Error(
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`Router route 与 activeGame.route 不匹配: msg.route=${route} activeGame.route=${game.route}`,
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);
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}
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game.onReceive(rpc, data);
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}
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}
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