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bim_engine/src/managers/engine-manager.ts

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import { Engine, type EngineOptions, type ModelLoadOptions } from '../components/engine';
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import { BimComponent } from '../core/component';
import type { BimEngine } from '../bim-engine';
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/**
* 3D
* Engine BimEngine API
* initialize()
*/
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export class EngineManager extends BimComponent {
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/** 3D 引擎挂载的父容器 */
private container: HTMLElement;
/** 3D 引擎组件实例 */
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private engineInstance: Engine | null = null;
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/**
*
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* @param engine
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* @param container 3D
*/
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constructor(engine: BimEngine, container: HTMLElement) {
super(engine);
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this.container = container;
}
/**
* 3D
* @param options 使
* @returns
*/
public initialize(options?: Omit<EngineOptions, 'container'>): boolean {
// 如果已经初始化,先销毁旧的实例
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if (this.engineInstance && this.engineInstance.isInitialized()) {
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console.warn('[EngineManager] 3D Engine already initialized. Destroying old instance...');
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this.engineInstance.destroy();
this.engineInstance = null;
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}
try {
// 创建 Engine 组件实例
// options 中的配置会自动复制给 createEngine 使用
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this.engineInstance = new Engine({
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container: this.container,
...options, // 合并配置选项
});
// 调用组件的 init 方法初始化引擎
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this.engineInstance.init();
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return this.engineInstance.isInitialized();
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} catch (error) {
console.error('[EngineManager] Failed to initialize 3D engine:', error);
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this.engineInstance = null;
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return false;
}
}
/**
* 3D
*/
public isInitialized(): boolean {
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return this.engineInstance !== null && this.engineInstance.isInitialized();
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}
/**
* 3D
* @param url URL
* @param options
*/
public loadModel(url: string, options?: ModelLoadOptions): void {
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if (!this.engineInstance || !this.engineInstance.isInitialized()) {
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console.error('[EngineManager] 3D Engine not initialized. Please call initialize() first.');
return;
}
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this.engineInstance.loadModel(url, options);
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}
/**
* 3D
* API
*/
public getEngine(): any {
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if (!this.engineInstance) {
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console.warn('[EngineManager] 3D Engine not initialized.');
return null;
}
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return this.engineInstance.getEngine();
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}
/**
* 3D
*/
public destroy(): void {
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if (this.engineInstance) {
this.engineInstance.destroy();
this.engineInstance = null;
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}
}
}