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71 lines
2.4 KiB
71 lines
2.4 KiB
/** System 接口：按 priority 排序，由 SystemRegistry 统一调度 tick（无业务依赖） */
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export interface ISystem {
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/** 调度优先级（越小越先 tick） */
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readonly priority: number;
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/** 是否启用（false 跳过 tick） */
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enabled: boolean;
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/** 每帧更新 */
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tick(dt: number): void;
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}
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/** System 构造器类型（不强制构造参数，由具体 system 自行声明依赖） */
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export type ISystemCtor<T extends ISystem> = new (...args: any[]) => T;
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/** System 注册与调度表 */
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export class SystemRegistry {
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private readonly _systems: ISystem[] = [];
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private _sorted: ISystem[] | null = null;
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/** 注册 system */
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register<T extends ISystem>(system: T): T {
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this._systems.push(system);
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this._sorted = null;
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return system;
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}
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/** 按类型取已注册 system */
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get<T extends ISystem>(ctor: ISystemCtor<T>): T | undefined {
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return this._systems.find((s) => s instanceof ctor) as T | undefined;
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}
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/** 按 priority 升序依次 tick（enabled=false 跳过）。单个 system 抛错不打断后续（含出怪） */
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tick(dt: number): void {
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if (!this._sorted) {
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this._sorted = [...this._systems].sort((a, b) => a.priority - b.priority);
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}
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for (const s of this._sorted) {
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this._tickOne(s, dt);
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}
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}
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/** 按 slice 轮询 system：非当前 slice 的系统本帧不 tick，dt 按 slice 补偿 */
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tickSlice(dt: number, sliceIndex: number, sliceCount: number): void {
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if (sliceCount <= 1) {
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this.tick(dt);
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return;
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}
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if (!this._sorted) {
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this._sorted = [...this._systems].sort((a, b) => a.priority - b.priority);
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}
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const compensated = dt * sliceCount;
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for (let i = 0; i < this._sorted.length; i++) {
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if (i % sliceCount !== sliceIndex) continue;
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this._tickOne(this._sorted[i], compensated);
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}
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}
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/**
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* 单系统 tick。异常只打日志，避免技能/Buff 抛错吞掉同帧后面的 WaveSpawner。
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* @param system 系统
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* @param dt 本拍步长（秒）
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*/
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private _tickOne(system: ISystem, dt: number): void {
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if (!system.enabled) return;
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try {
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system.tick(dt);
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} catch (err) {
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const name = system.constructor?.name ?? 'system';
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console.error('[SystemRegistry] tick', name, err);
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}
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}
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}
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