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依赖注入引入DI容器

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This commit is contained in:
YHH
2025-10-10 21:52:43 +08:00
parent a1a6970ea4
commit b13132b259
19 changed files with 1529 additions and 231 deletions
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281
packages/core/src/ECS/Scene.ts
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@@ -1,6 +1,5 @@
import { Entity } from './Entity';
import { EntityList } from './Utils/EntityList';
import { EntityProcessorList } from './Utils/EntityProcessorList';
import { IdentifierPool } from './Utils/IdentifierPool';
import { EntitySystem } from './Systems/EntitySystem';
import { ComponentStorageManager, ComponentRegistry } from './Core/ComponentStorage';
@@ -8,13 +7,17 @@ import { QuerySystem } from './Core/QuerySystem';
import { TypeSafeEventSystem } from './Core/EventSystem';
import { EventBus } from './Core/EventBus';
import { IScene, ISceneConfig } from './IScene';
import { getComponentInstanceTypeName, getSystemInstanceTypeName } from './Decorators';
import { getComponentInstanceTypeName, getSystemInstanceTypeName, getSystemMetadata } from "./Decorators";
import { TypedQueryBuilder } from './Core/Query/TypedQuery';
import { SceneSerializer, SceneSerializationOptions, SceneDeserializationOptions } from './Serialization/SceneSerializer';
import { IncrementalSerializer, IncrementalSnapshot, IncrementalSerializationOptions } from './Serialization/IncrementalSerializer';
import { ComponentPoolManager } from './Core/ComponentPool';
import { PerformanceMonitor } from '../Utils/PerformanceMonitor';
import { Core } from '../Core';
import { ServiceContainer, type ServiceType } from '../Core/ServiceContainer';
import { createInstance, isInjectable } from '../Core/DI';
import { isUpdatable, getUpdatableMetadata } from '../Core/DI/Decorators';
import { createLogger } from '../Utils/Logger';
/**
* 游戏场景默认实现类
@@ -44,12 +47,6 @@ export class Scene implements IScene {
*/
public readonly entities: EntityList;
/**
* 实体系统处理器集合
*
* 管理场景内所有实体系统的执行。
*/
public readonly entityProcessors: EntityProcessorList;
/**
* 实体ID池
@@ -74,36 +71,102 @@ export class Scene implements IScene {
/**
* 事件系统
*
*
* 类型安全的事件系统。
*/
public readonly eventSystem: TypeSafeEventSystem;
/**
* 服务容器
*
* 场景级别的依赖注入容器，用于管理EntitySystem和其他服务的生命周期。
* 每个Scene拥有独立的服务容器，实现场景间的隔离。
*/
private readonly _services: ServiceContainer;
/**
* 日志记录器
*/
private readonly logger: ReturnType<typeof createLogger>;
/**
* 场景是否已开始运行
*/
private _didSceneBegin: boolean = false;
/**
* 获取系统列表（兼容性属性）
* 获取场景中所有已注册的EntitySystem
*
* 按updateOrder排序。
*
* @returns 系统列表
*/
public get systems(): EntitySystem[] {
return this.entityProcessors.processors;
// 从ServiceContainer获取所有EntitySystem实例
const services = this._services.getAll();
const systems: EntitySystem[] = [];
for (const service of services) {
if (service instanceof EntitySystem) {
systems.push(service);
}
}
// 按updateOrder排序
systems.sort((a, b) => a.updateOrder - b.updateOrder);
return systems;
}
/**
* 通过类型获取System实例
*
* @param systemType System类型
* @returns System实例，如果未找到则返回null
*
* @example
* ```typescript
* const physics = scene.getSystem(PhysicsSystem);
* if (physics) {
* physics.doSomething();
* }
* ```
*/
public getSystem<T extends EntitySystem>(systemType: ServiceType<T>): T | null {
return this._services.tryResolve(systemType) as T | null;
}
/**
* 获取场景的服务容器
*
* 用于注册和解析场景级别的服务（如EntitySystem）。
*
* @example
* ```typescript
* // 注册服务
* scene.services.registerSingleton(PhysicsSystem);
*
* // 解析服务
* const physics = scene.services.resolve(PhysicsSystem);
* ```
*/
public get services(): ServiceContainer {
return this._services;
}
/**
* 创建场景实例
*/
constructor(config?: ISceneConfig) {
this.entities = new EntityList(this);
this.entityProcessors = new EntityProcessorList();
this.identifierPool = new IdentifierPool();
this.componentStorageManager = new ComponentStorageManager();
this.querySystem = new QuerySystem();
this.eventSystem = new TypeSafeEventSystem();
this._services = new ServiceContainer();
this.logger = createLogger('Scene');
// 应用配置
if (config?.name) {
this.name = config.name;
}
@@ -111,7 +174,7 @@ export class Scene implements IScene {
if (!Entity.eventBus) {
Entity.eventBus = new EventBus(false);
}
if (Entity.eventBus) {
Entity.eventBus.onComponentAdded((data: unknown) => {
this.eventSystem.emitSync('component:added', data);
@@ -149,10 +212,6 @@ export class Scene implements IScene {
* 这个方法会启动场景。它将启动实体处理器等，并调用onStart方法。
*/
public begin() {
// 启动实体处理器
if (this.entityProcessors != null)
this.entityProcessors.begin();
// 标记场景已开始运行并调用onStart方法
this._didSceneBegin = true;
this.onStart();
@@ -176,9 +235,8 @@ export class Scene implements IScene {
// 清空组件存储
this.componentStorageManager.clear();
// 结束实体处理器
if (this.entityProcessors)
this.entityProcessors.end();
// 清空服务容器（会调用所有服务的dispose方法，包括所有EntitySystem）
this._services.clear();
// 调用卸载方法
this.unload();
@@ -192,11 +250,28 @@ export class Scene implements IScene {
this.entities.updateLists();
if (this.entityProcessors != null)
this.entityProcessors.update();
// 更新所有EntitySystem
const systems = this.systems;
for (const system of systems) {
if (system.enabled) {
try {
system.update();
} catch (error) {
this.logger.error(`Error in system ${system.constructor.name}.update():`, error);
}
}
}
if (this.entityProcessors != null)
this.entityProcessors.lateUpdate();
// LateUpdate
for (const system of systems) {
if (system.enabled) {
try {
system.lateUpdate();
} catch (error) {
this.logger.error(`Error in system ${system.constructor.name}.lateUpdate():`, error);
}
}
}
}
/**
@@ -216,7 +291,7 @@ export class Scene implements IScene {
* 当实体或组件发生变化时调用
*/
public clearSystemEntityCaches(): void {
for (const system of this.entityProcessors.processors) {
for (const system of this.systems) {
system.clearEntityCache();
}
}
@@ -419,23 +494,121 @@ export class Scene implements IScene {
/**
* 在场景中添加一个EntitySystem处理器
* @param processor 处理器
*
* 支持两种使用方式：
* 1. 传入类型（推荐）：自动使用DI创建实例，支持@Injectable和@Inject装饰器
* 2. 传入实例：直接使用提供的实例
*
* @param systemTypeOrInstance 系统类型或系统实例
* @returns 添加的处理器实例
*
* @example
* ```typescript
* // 方式1：传入类型，自动DI（推荐）
* @Injectable()
* class PhysicsSystem extends EntitySystem {
* constructor(@Inject(CollisionSystem) private collision: CollisionSystem) {
* super(Matcher.of(Transform));
* }
* }
* scene.addEntityProcessor(PhysicsSystem);
*
* // 方式2：传入实例
* const system = new MySystem();
* scene.addEntityProcessor(system);
* ```
*/
public addEntityProcessor(processor: EntitySystem) {
if (this.entityProcessors.processors.includes(processor)) {
return processor;
public addEntityProcessor<T extends EntitySystem>(
systemTypeOrInstance: ServiceType<T> | T
): T {
let system: T;
let constructor: any;
if (typeof systemTypeOrInstance === 'function') {
constructor = systemTypeOrInstance;
if (this._services.isRegistered(constructor)) {
return this._services.resolve(constructor) as T;
}
if (isInjectable(constructor)) {
system = createInstance(constructor, this._services) as T;
} else {
system = new (constructor as any)() as T;
}
} else {
system = systemTypeOrInstance;
constructor = system.constructor;
if (this._services.isRegistered(constructor)) {
return system;
}
}
processor.scene = this;
system.scene = this;
// 从Core获取PerformanceMonitor并注入到System
const perfMonitor = Core.services.resolve(PerformanceMonitor);
processor.setPerformanceMonitor(perfMonitor);
system.setPerformanceMonitor(perfMonitor);
this.entityProcessors.add(processor);
processor.initialize();
processor.setUpdateOrder(this.entityProcessors.count - 1);
return processor;
const metadata = getSystemMetadata(constructor);
if (metadata?.updateOrder !== undefined) {
system.setUpdateOrder(metadata.updateOrder);
}
if (metadata?.enabled !== undefined) {
system.enabled = metadata.enabled;
}
this._services.registerInstance(constructor, system);
system.initialize();
return system;
}
/**
* 批量注册EntitySystem到场景（使用DI）
*
* 自动按照依赖顺序注册多个System。
* 所有System必须使用@Injectable装饰器标记。
*
* @param systemTypes System类型数组
* @returns 注册的System实例数组
*
* @example
* ```typescript
* @Injectable()
* @ECSSystem('Collision', { updateOrder: 5 })
* class CollisionSystem extends EntitySystem implements IService {
* constructor() { super(Matcher.of(Collider)); }
* dispose() {}
* }
*
* @Injectable()
* @ECSSystem('Physics', { updateOrder: 10 })
* class PhysicsSystem extends EntitySystem implements IService {
* constructor(@Inject(CollisionSystem) private collision: CollisionSystem) {
* super(Matcher.of(Transform, RigidBody));
* }
* dispose() {}
* }
*
* // 批量注册（自动解析依赖顺序）
* scene.registerSystems([
* CollisionSystem,
* PhysicsSystem, // 自动注入CollisionSystem
* RenderSystem
* ]);
* ```
*/
public registerSystems(systemTypes: Array<ServiceType<EntitySystem>>): EntitySystem[] {
const registeredSystems: EntitySystem[] = [];
for (const systemType of systemTypes) {
const system = this.addEntityProcessor(systemType);
registeredSystems.push(system);
}
return registeredSystems;
}
/**
@@ -450,8 +623,13 @@ export class Scene implements IScene {
* 从场景中删除EntitySystem处理器
* @param processor 要删除的处理器
*/
public removeEntityProcessor(processor: EntitySystem) {
this.entityProcessors.remove(processor);
public removeEntityProcessor(processor: EntitySystem): void {
const constructor = processor.constructor as any;
// 从ServiceContainer移除
this._services.unregister(constructor);
// 重置System状态
processor.reset();
}
@@ -465,10 +643,24 @@ export class Scene implements IScene {
/**
* 获取指定类型的EntitySystem处理器
*
* @deprecated 推荐使用依赖注入代替此方法。使用 `scene.services.resolve(SystemType)` 或在System构造函数中使用 `@Inject(SystemType)` 装饰器。
*
* @param type 处理器类型
* @returns 处理器实例，如果未找到则返回null
*
* @example
* ```typescript
* @Injectable()
* class MySystem extends EntitySystem {
* constructor(@Inject(PhysicsSystem) private physics: PhysicsSystem) {
* super();
* }
* }
* ```
*/
public getEntityProcessor<T extends EntitySystem>(type: new (...args: unknown[]) => T): T | null {
return this.entityProcessors.getProcessor(type);
return this._services.tryResolve(type as any) as T | null;
}
/**
@@ -481,7 +673,7 @@ export class Scene implements IScene {
} {
return {
entityCount: this.entities.count,
processorCount: this.entityProcessors.count,
processorCount: this.systems.length,
componentStorageStats: this.componentStorageManager.getAllStats()
};
}
@@ -508,10 +700,11 @@ export class Scene implements IScene {
}>;
componentStats: Map<string, any>;
} {
const systems = this.systems;
return {
name: this.name || this.constructor.name,
entityCount: this.entities.count,
processorCount: this.entityProcessors.count,
processorCount: systems.length,
isRunning: this._didSceneBegin,
entities: this.entities.buffer.map(entity => ({
name: entity.name,
@@ -519,7 +712,7 @@ export class Scene implements IScene {
componentCount: entity.components.length,
componentTypes: entity.components.map(c => getComponentInstanceTypeName(c))
})),
processors: this.entityProcessors.processors.map(processor => ({
processors: systems.map(processor => ({
name: getSystemInstanceTypeName(processor),
updateOrder: processor.updateOrder,
entityCount: (processor as any)._entities?.length || 0