refactor(world): update registerSystem to accept additional dependencies

- Modified the registerSystem method to allow optional dependencies when registering a system.
- Updated the SystemScheduler to handle additional dependencies for better system management.

Author: codehz

README.md

@@ -176,7 +176,7 @@ bun run examples/simple/demo.ts
 - `delete(entity, componentId)`: 从实体移除组件
 - `setExclusive(componentId)`: 将组件标记为独占关系
 - `createQuery(componentIds)`: 创建查询
-- `registerSystem(system)`: 注册系统
+- `registerSystem(system, dependencies?)`: 注册系统
 - `registerLifecycleHook(componentId, hook)`: 注册组件或通配符关系生命周期钩子
 - `unregisterLifecycleHook(componentId, hook)`: 注销组件或通配符关系生命周期钩子
 - `update(...params)`: 更新世界（参数取决于泛型配置）
@@ -289,7 +289,7 @@ class MovementSystem implements System<[deltaTime: number]> {
 }
 ```
 
-系统支持依赖关系排序，确保正确的执行顺序。依赖关系通过系统的 `dependencies` 属性指定：
+系统支持依赖关系排序，确保正确的执行顺序。依赖关系可以通过系统的 `dependencies` 属性指定：
 
 ```typescript
 class InputSystem implements System<[deltaTime: number]> {
@@ -314,7 +314,7 @@ class MovementSystem implements System<[deltaTime: number]> {
 // 注册系统
 const inputSystem = new InputSystem();
 world.registerSystem(inputSystem);
-world.registerSystem(new MovementSystem(inputSystem));
+world.registerSystem(new MovementSystem(inputSystem), [inputSystem]); // 也可以在注册时指定额外依赖
 ```
 
 系统将按照拓扑排序执行，依赖系统始终在被依赖系统之前运行。

src/system-scheduler.ts

@@ -5,18 +5,21 @@ import type { System } from "./system";
  */
 export class SystemScheduler<UpdateParams extends any[] = [deltaTime: number]> {
   private systems = new Set<System<UpdateParams>>();
+  private systemDependencies = new Map<System<UpdateParams>, Set<System<UpdateParams>>>();
   private cachedExecutionOrder: System<UpdateParams>[] | null = null;
 
   /**
    * Add a system with optional dependencies
    * @param system The system to add
+   * @param additionalDeps Additional dependencies for the system
    */
-  addSystem(system: System<UpdateParams>): void {
+  addSystem(system: System<UpdateParams>, additionalDeps: System<UpdateParams>[] = []): void {
     this.systems.add(system);
     // Also add dependencies to the set
     for (const dep of system.dependencies || []) {
       this.systems.add(dep);
     }
+    this.systemDependencies.set(system, new Set([...additionalDeps, ...(system.dependencies || [])]));
     this.cachedExecutionOrder = null;
   }
 
@@ -41,7 +44,7 @@ export class SystemScheduler<UpdateParams extends any[] = [deltaTime: number]> {
 
       visiting.add(system);
 
-      for (const dep of system.dependencies || []) {
+      for (const dep of this.systemDependencies.get(system) || []) {
         visit(dep);
       }
 

src/world.ts

@@ -283,8 +283,8 @@ export class World<UpdateParams extends any[] = []> {
   /**
    * Register a system with optional dependencies
    */
-  registerSystem(system: System<UpdateParams>): void {
-    this.systemScheduler.addSystem(system);
+  registerSystem(system: System<UpdateParams>, additionalDeps: System<UpdateParams>[] = []): void {
+    this.systemScheduler.addSystem(system, additionalDeps);
   }
 
   /**