重构 Component基类违反ECS纯粹性问题
This commit is contained in:
@@ -1,21 +1,30 @@
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import type { IComponent } from '../Types';
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import type { Entity } from './Entity';
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/**
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* 游戏组件基类
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*
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* ECS架构中的组件(Component),用于实现具体的游戏功能。
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* 组件包含数据和行为,可以被添加到实体上以扩展实体的功能。
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*
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*
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* ECS架构中的组件(Component)应该是纯数据容器。
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* 所有游戏逻辑应该在 EntitySystem 中实现,而不是在组件内部。
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*
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* @example
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* 推荐做法:纯数据组件
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* ```typescript
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* class HealthComponent extends Component {
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* public health: number = 100;
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*
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* public takeDamage(damage: number): void {
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* this.health -= damage;
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* if (this.health <= 0) {
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* this.entity.destroy();
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* public maxHealth: number = 100;
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* }
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* ```
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*
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* @example
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* 推荐做法:在 System 中处理逻辑
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* ```typescript
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* class HealthSystem extends EntitySystem {
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* process(entities: Entity[]): void {
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* for (const entity of entities) {
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* const health = entity.getComponent(HealthComponent);
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* if (health && health.health <= 0) {
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* entity.destroy();
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* }
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* }
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* }
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* }
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@@ -24,141 +33,49 @@ import type { Entity } from './Entity';
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export abstract class Component implements IComponent {
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/**
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* 组件ID生成器
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*
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*
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* 用于为每个组件分配唯一的ID。
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*/
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public static _idGenerator: number = 0;
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/**
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* 组件唯一标识符
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*
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*
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* 在整个游戏生命周期中唯一的数字ID。
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*/
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public readonly id: number;
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/**
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* 组件所属的实体
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*
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* 指向拥有此组件的实体实例。
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*/
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public entity!: Entity;
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/**
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* 组件启用状态
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*
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* 控制组件是否参与更新循环。
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*/
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private _enabled: boolean = true;
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/**
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* 更新顺序
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*
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* 决定组件在更新循环中的执行顺序。
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*
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* @see EntitySystem
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*/
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private _updateOrder: number = 0;
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/**
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* 创建组件实例
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*
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*
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* 自动分配唯一ID给组件。
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*/
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constructor() {
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this.id = Component._idGenerator++;
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}
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/**
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* 获取组件启用状态
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*
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* 组件的实际启用状态取决于自身状态和所属实体的状态。
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*
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* @deprecated 不符合ECS架构规范,建议自己实现DisabledComponent标记组件替代
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* @returns 如果组件和所属实体都启用则返回true
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*/
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public get enabled(): boolean {
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return this.entity ? this.entity.enabled && this._enabled : this._enabled;
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}
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/**
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* 设置组件启用状态
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*
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* 当状态改变时会触发相应的生命周期回调。
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*
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* @deprecated 不符合ECS架构规范,建议自己实现DisabledComponent标记组件替代
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* @param value - 新的启用状态
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*/
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public set enabled(value: boolean) {
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if (this._enabled !== value) {
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this._enabled = value;
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if (this._enabled) {
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this.onEnabled();
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} else {
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this.onDisabled();
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}
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}
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}
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/**
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* 获取更新顺序
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*
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* @deprecated 不符合ECS架构规范,更新顺序应该由EntitySystem管理
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* @see EntitySystem
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* @returns 组件的更新顺序值
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*/
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public get updateOrder(): number {
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return this._updateOrder;
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}
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/**
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* 设置更新顺序
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*
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* @deprecated 不符合ECS架构规范,更新顺序应该由EntitySystem管理
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* @see EntitySystem
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* @param value - 新的更新顺序值
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*/
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public set updateOrder(value: number) {
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this._updateOrder = value;
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}
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/**
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* 组件添加到实体时的回调
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*
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*
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* 当组件被添加到实体时调用,可以在此方法中进行初始化操作。
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*
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* @remarks
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* 这是一个生命周期钩子,用于组件的初始化逻辑。
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* 虽然保留此方法,但建议将复杂的初始化逻辑放在 System 中处理。
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*/
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public onAddedToEntity(): void {
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}
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/**
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* 组件从实体移除时的回调
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*
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*
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* 当组件从实体中移除时调用,可以在此方法中进行清理操作。
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*
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* @remarks
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* 这是一个生命周期钩子,用于组件的清理逻辑。
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* 虽然保留此方法,但建议将复杂的清理逻辑放在 System 中处理。
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*/
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public onRemovedFromEntity(): void {
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}
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/**
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* 组件启用时的回调
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*
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* 当组件被启用时调用。
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*/
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public onEnabled(): void {
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}
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/**
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* 组件禁用时的回调
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*
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* 当组件被禁用时调用。
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*/
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public onDisabled(): void {
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}
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/**
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* 更新组件
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*
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* @deprecated 不符合ECS架构规范,建议使用EntitySystem来处理更新逻辑
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*/
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public update(): void {
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}
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}
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@@ -104,12 +104,7 @@ export class Entity {
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* 所属场景引用
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*/
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public scene: IScene | null = null;
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/**
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* 更新间隔
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*/
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public updateInterval: number = 1;
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/**
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* 销毁状态标志
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*/
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@@ -334,8 +329,6 @@ export class Entity {
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const typeId = ComponentRegistry.getBitIndex(componentType);
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component.entity = this;
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this._componentsByTypeId[typeId] = component;
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const denseIndex = this.components.length;
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@@ -528,8 +521,6 @@ export class Entity {
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component: component
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});
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}
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component.entity = null as any;
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// 通知所有相关的QuerySystem组件已变动
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Entity.notifyQuerySystems(this);
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@@ -568,8 +559,6 @@ export class Entity {
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}
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component.onRemovedFromEntity();
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component.entity = null as any;
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}
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this.components.length = 0;
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@@ -833,26 +822,6 @@ export class Entity {
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}
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}
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/**
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* 更新实体
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*
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* 调用所有组件的更新方法,并更新子实体。
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*/
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public update(): void {
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if (!this.activeInHierarchy || this._isDestroyed) {
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return;
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}
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for (const component of this.components) {
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if (component.enabled) {
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component.update();
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}
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}
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for (const child of this._children) {
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child.update();
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}
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}
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/**
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* 销毁实体
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@@ -152,13 +152,4 @@ export interface ISceneConfig {
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* 场景名称
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*/
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name?: string;
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/**
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* 调试配置
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*/
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debug?: boolean;
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/**
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* 是否启用实体直接更新
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* @default false
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*/
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enableEntityDirectUpdate?: boolean;
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}
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@@ -95,11 +95,6 @@ export class Scene implements IScene {
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this.name = config.name;
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}
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// 配置实体直接更新选项
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if (config?.enableEntityDirectUpdate !== undefined) {
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this.entities.setEnableEntityDirectUpdate(config.enableEntityDirectUpdate);
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}
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if (!Entity.eventBus) {
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Entity.eventBus = new EventBus(false);
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}
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@@ -180,16 +175,13 @@ export class Scene implements IScene {
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* 更新场景
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*/
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public update() {
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// 更新实体列表
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// 更新实体列表(处理延迟操作)
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this.entities.updateLists();
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// 更新实体处理器
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if (this.entityProcessors != null)
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this.entityProcessors.update();
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// 更新实体
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this.entities.update();
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// 更新实体处理器后处理
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if (this.entityProcessors != null)
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this.entityProcessors.lateUpdate();
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@@ -16,10 +16,6 @@ export class EntityList {
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// 延迟操作队列
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private _entitiesToAdd: Entity[] = [];
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private _entitiesToRemove: Entity[] = [];
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private _isUpdating = false;
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// 是否启用实体直接更新
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private _enableEntityDirectUpdate = false;
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public get count(): number {
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return this.buffer.length;
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@@ -30,23 +26,11 @@ export class EntityList {
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}
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/**
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* 设置是否启用实体直接更新
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*/
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public setEnableEntityDirectUpdate(enabled: boolean): void {
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this._enableEntityDirectUpdate = enabled;
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}
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/**
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* 添加实体(立即添加或延迟添加)
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* 添加实体
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* @param entity 要添加的实体
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*/
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public add(entity: Entity): void {
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if (this._isUpdating) {
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// 如果正在更新中,延迟添加
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this._entitiesToAdd.push(entity);
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} else {
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this.addImmediate(entity);
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}
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this.addImmediate(entity);
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}
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/**
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@@ -67,16 +51,11 @@ export class EntityList {
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}
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/**
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* 移除实体(立即移除或延迟移除)
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* 移除实体
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* @param entity 要移除的实体
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*/
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public remove(entity: Entity): void {
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if (this._isUpdating) {
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// 如果正在更新中,延迟移除
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this._entitiesToRemove.push(entity);
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} else {
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this.removeImmediate(entity);
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}
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this.removeImmediate(entity);
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}
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/**
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@@ -147,25 +126,11 @@ export class EntityList {
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}
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/**
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* 更新实体列表和实体
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* 更新实体列表
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*
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* 处理延迟操作(添加/删除实体)
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*/
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public update(): void {
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this._isUpdating = true;
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try {
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// 只有启用实体直接更新时才遍历更新实体
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if (this._enableEntityDirectUpdate) {
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for (let i = 0; i < this.buffer.length; i++) {
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const entity = this.buffer[i];
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if (entity.enabled && !entity.isDestroyed) {
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entity.update();
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}
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}
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}
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} finally {
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this._isUpdating = false;
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}
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// 处理延迟操作
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this.updateLists();
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}
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@@ -4,32 +4,20 @@
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/**
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* 组件接口
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*
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* 定义组件的基本契约,所有组件都应该实现此接口
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*
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* 定义组件的基本契约。
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* 在 ECS 架构中,组件应该是纯数据容器,不包含业务逻辑。
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*/
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export interface IComponent {
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/** 组件唯一标识符 */
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readonly id: number;
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/** 组件所属的实体ID */
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entityId?: string | number;
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/** 组件启用状态 */
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enabled: boolean;
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/** 更新顺序 */
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updateOrder: number;
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/** 组件添加到实体时的回调 */
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onAddedToEntity(): void;
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/** 组件从实体移除时的回调 */
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onRemovedFromEntity(): void;
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/** 组件启用时的回调 */
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onEnabled(): void;
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/** 组件禁用时的回调 */
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onDisabled(): void;
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/**
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* 更新组件
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* @deprecated 不符合ECS架构规范,建议使用EntitySystem来处理更新逻辑
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*/
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update(): void;
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}
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/**
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@@ -6,9 +6,6 @@ class TestComponent extends Component {
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public value: number = 100;
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public onAddedCalled = false;
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public onRemovedCalled = false;
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public onEnabledCalled = false;
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public onDisabledCalled = false;
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public updateCalled = false;
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public override onAddedToEntity(): void {
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this.onAddedCalled = true;
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@@ -17,18 +14,6 @@ class TestComponent extends Component {
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public override onRemovedFromEntity(): void {
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this.onRemovedCalled = true;
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}
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public override onEnabled(): void {
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this.onEnabledCalled = true;
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}
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public override onDisabled(): void {
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this.onDisabledCalled = true;
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}
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public override update(): void {
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this.updateCalled = true;
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}
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}
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class AnotherTestComponent extends Component {
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@@ -73,87 +58,10 @@ describe('Component - 组件基类测试', () => {
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});
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});
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describe('启用状态管理', () => {
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test('组件默认应该是启用的', () => {
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expect(component.enabled).toBe(true);
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});
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test('设置组件禁用状态应该工作', () => {
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component.enabled = false;
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expect(component.enabled).toBe(false);
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expect(component.onDisabledCalled).toBe(true);
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});
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test('重新启用组件应该工作', () => {
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component.enabled = false;
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component.onDisabledCalled = false;
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component.onEnabledCalled = false;
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component.enabled = true;
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expect(component.enabled).toBe(true);
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expect(component.onEnabledCalled).toBe(true);
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});
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test('设置相同的状态不应该触发回调', () => {
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component.enabled = true; // 已经是true
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expect(component.onEnabledCalled).toBe(false);
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component.enabled = false;
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component.onDisabledCalled = false;
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component.enabled = false; // 已经是false
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expect(component.onDisabledCalled).toBe(false);
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});
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test('组件启用状态应该受实体状态影响', () => {
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entity.addComponent(component);
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expect(component.enabled).toBe(true);
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// 禁用实体应该让组件表现为禁用
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entity.enabled = false;
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expect(component.enabled).toBe(false);
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// 重新启用实体
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entity.enabled = true;
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expect(component.enabled).toBe(true);
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});
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test('组件自身禁用时即使实体启用也应该是禁用的', () => {
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entity.addComponent(component);
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component.enabled = false;
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entity.enabled = true;
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expect(component.enabled).toBe(false);
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});
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||||
|
||||
test('没有实体时组件状态应该只取决于自身', () => {
|
||||
// 组件还没有添加到实体
|
||||
expect(component.enabled).toBe(true);
|
||||
|
||||
component.enabled = false;
|
||||
expect(component.enabled).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
describe('更新顺序', () => {
|
||||
test('组件默认更新顺序应该是0', () => {
|
||||
expect(component.updateOrder).toBe(0);
|
||||
});
|
||||
|
||||
test('应该能够设置更新顺序', () => {
|
||||
component.updateOrder = 10;
|
||||
expect(component.updateOrder).toBe(10);
|
||||
|
||||
component.updateOrder = -5;
|
||||
expect(component.updateOrder).toBe(-5);
|
||||
});
|
||||
});
|
||||
|
||||
describe('生命周期回调', () => {
|
||||
test('添加到实体时应该调用onAddedToEntity', () => {
|
||||
expect(component.onAddedCalled).toBe(false);
|
||||
|
||||
|
||||
entity.addComponent(component);
|
||||
expect(component.onAddedCalled).toBe(true);
|
||||
});
|
||||
@@ -161,106 +69,73 @@ describe('Component - 组件基类测试', () => {
|
||||
test('从实体移除时应该调用onRemovedFromEntity', () => {
|
||||
entity.addComponent(component);
|
||||
expect(component.onRemovedCalled).toBe(false);
|
||||
|
||||
|
||||
entity.removeComponent(component);
|
||||
expect(component.onRemovedCalled).toBe(true);
|
||||
});
|
||||
|
||||
test('启用时应该调用onEnabled', () => {
|
||||
component.enabled = false;
|
||||
component.onEnabledCalled = false;
|
||||
|
||||
component.enabled = true;
|
||||
expect(component.onEnabledCalled).toBe(true);
|
||||
});
|
||||
|
||||
test('禁用时应该调用onDisabled', () => {
|
||||
expect(component.onDisabledCalled).toBe(false);
|
||||
|
||||
component.enabled = false;
|
||||
expect(component.onDisabledCalled).toBe(true);
|
||||
});
|
||||
});
|
||||
|
||||
describe('更新方法', () => {
|
||||
test('update方法应该可以被调用', () => {
|
||||
expect(component.updateCalled).toBe(false);
|
||||
|
||||
component.update();
|
||||
expect(component.updateCalled).toBe(true);
|
||||
});
|
||||
|
||||
test('基类的默认生命周期方法应该安全调用', () => {
|
||||
const baseComponent = new (class extends Component {})();
|
||||
|
||||
|
||||
// 这些方法不应该抛出异常
|
||||
expect(() => {
|
||||
baseComponent.onAddedToEntity();
|
||||
baseComponent.onRemovedFromEntity();
|
||||
baseComponent.onEnabled();
|
||||
baseComponent.onDisabled();
|
||||
baseComponent.update();
|
||||
}).not.toThrow();
|
||||
});
|
||||
});
|
||||
|
||||
describe('实体关联', () => {
|
||||
test('组件应该能够访问其所属的实体', () => {
|
||||
entity.addComponent(component);
|
||||
expect(component.entity).toBe(entity);
|
||||
describe('实体-组件关系', () => {
|
||||
test('组件可以被添加到实体', () => {
|
||||
expect(() => {
|
||||
entity.addComponent(component);
|
||||
}).not.toThrow();
|
||||
|
||||
expect(entity.hasComponent(TestComponent)).toBe(true);
|
||||
expect(entity.getComponent(TestComponent)).toBe(component);
|
||||
});
|
||||
|
||||
test('组件移除后entity引用行为', () => {
|
||||
test('组件可以从实体移除', () => {
|
||||
entity.addComponent(component);
|
||||
expect(component.entity).toBe(entity);
|
||||
|
||||
entity.removeComponent(component);
|
||||
// 移除后entity引用可能被清空,这是正常行为
|
||||
// 具体行为取决于实现,这里只测试不会抛出异常
|
||||
|
||||
expect(() => {
|
||||
const _ = component.entity;
|
||||
entity.removeComponent(component);
|
||||
}).not.toThrow();
|
||||
|
||||
expect(entity.hasComponent(TestComponent)).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
describe('边界情况', () => {
|
||||
test('多次启用禁用应该工作正常', () => {
|
||||
for (let i = 0; i < 10; i++) {
|
||||
component.enabled = false;
|
||||
expect(component.enabled).toBe(false);
|
||||
|
||||
component.enabled = true;
|
||||
expect(component.enabled).toBe(true);
|
||||
}
|
||||
});
|
||||
|
||||
test('极端更新顺序值应该被接受', () => {
|
||||
component.updateOrder = 999999;
|
||||
expect(component.updateOrder).toBe(999999);
|
||||
|
||||
component.updateOrder = -999999;
|
||||
expect(component.updateOrder).toBe(-999999);
|
||||
});
|
||||
|
||||
test('大量组件创建应该有不同的ID', () => {
|
||||
const components: Component[] = [];
|
||||
const count = 1000;
|
||||
|
||||
|
||||
for (let i = 0; i < count; i++) {
|
||||
components.push(new TestComponent());
|
||||
}
|
||||
|
||||
|
||||
// 检查所有ID都不同
|
||||
const ids = new Set(components.map(c => c.id));
|
||||
expect(ids.size).toBe(count);
|
||||
});
|
||||
|
||||
test('组件应该是纯数据容器', () => {
|
||||
// 验证组件只有数据字段
|
||||
const comp = new TestComponent();
|
||||
expect(comp.value).toBe(100);
|
||||
|
||||
// 可以修改数据
|
||||
comp.value = 200;
|
||||
expect(comp.value).toBe(200);
|
||||
});
|
||||
});
|
||||
|
||||
describe('继承和多态', () => {
|
||||
test('不同类型的组件应该都继承自Component', () => {
|
||||
const test1 = new TestComponent();
|
||||
const test2 = new AnotherTestComponent();
|
||||
|
||||
|
||||
expect(test1).toBeInstanceOf(Component);
|
||||
expect(test2).toBeInstanceOf(Component);
|
||||
expect(test1).toBeInstanceOf(TestComponent);
|
||||
@@ -269,9 +144,10 @@ describe('Component - 组件基类测试', () => {
|
||||
|
||||
test('组件应该能够重写基类方法', () => {
|
||||
const test = new TestComponent();
|
||||
test.update();
|
||||
|
||||
expect(test.updateCalled).toBe(true);
|
||||
|
||||
// 重写生命周期方法应该工作
|
||||
entity.addComponent(test);
|
||||
expect(test.onAddedCalled).toBe(true);
|
||||
});
|
||||
});
|
||||
});
|
||||
@@ -68,7 +68,7 @@ describe('Entity - 组件缓存优化测试', () => {
|
||||
expect(addedComponent).toBe(position);
|
||||
expect(entity.components.length).toBe(1);
|
||||
expect(entity.components[0]).toBe(position);
|
||||
expect(position.entity).toBe(entity);
|
||||
expect(entity.hasComponent(TestPositionComponent)).toBe(true);
|
||||
});
|
||||
|
||||
test('应该能够获取组件', () => {
|
||||
@@ -96,7 +96,7 @@ describe('Entity - 组件缓存优化测试', () => {
|
||||
entity.removeComponent(position);
|
||||
expect(entity.components.length).toBe(0);
|
||||
expect(entity.hasComponent(TestPositionComponent)).toBe(false);
|
||||
expect(position.entity).toBeNull();
|
||||
expect(entity.getComponent(TestPositionComponent)).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
|
||||
Reference in New Issue
Block a user