338 lines
11 KiB
TypeScript
338 lines
11 KiB
TypeScript
import type { IService } from '@esengine/esengine';
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import { Injectable, Core, createLogger, SceneSerializer, Scene } from '@esengine/esengine';
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import type { SceneResourceManager } from '@esengine/asset-system';
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import type { MessageHub } from './MessageHub';
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import type { IFileAPI } from '../Types/IFileAPI';
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import type { ProjectService } from './ProjectService';
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import type { EntityStoreService } from './EntityStoreService';
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import { SceneTemplateRegistry } from './SceneTemplateRegistry';
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const logger = createLogger('SceneManagerService');
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export interface SceneState {
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currentScenePath: string | null;
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sceneName: string;
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isModified: boolean;
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isSaved: boolean;
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}
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@Injectable()
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export class SceneManagerService implements IService {
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private sceneState: SceneState = {
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currentScenePath: null,
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sceneName: 'Untitled',
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isModified: false,
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isSaved: false
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};
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private unsubscribeHandlers: Array<() => void> = [];
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private sceneResourceManager: SceneResourceManager | null = null;
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constructor(
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private messageHub: MessageHub,
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private fileAPI: IFileAPI,
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private projectService?: ProjectService,
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private entityStore?: EntityStoreService
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) {
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this.setupAutoModificationTracking();
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logger.info('SceneManagerService initialized');
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}
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/**
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* 设置场景资源管理器
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* Set scene resource manager
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*/
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public setSceneResourceManager(manager: SceneResourceManager | null): void {
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this.sceneResourceManager = manager;
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}
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/**
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* 创建新场景
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* Create a new scene
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*
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* @param templateName - 场景模板名称，不传则使用默认模板 / Scene template name, uses default if not specified
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*/
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public async newScene(templateName?: string): Promise<void> {
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if (!await this.canClose()) {
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return;
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}
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const scene = Core.scene as Scene | null;
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if (!scene) {
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throw new Error('No active scene');
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}
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// 确保编辑器模式下设置 isEditorMode，延迟组件生命周期回调
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// Ensure isEditorMode is set in editor to defer component lifecycle callbacks
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scene.isEditorMode = true;
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// 只移除实体，保留系统（系统由模块管理）
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// Only remove entities, preserve systems (systems managed by modules)
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scene.entities.removeAllEntities();
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// 使用场景模板创建默认实体
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// Create default entities using scene template
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const createdEntities = SceneTemplateRegistry.createDefaultEntities(scene, templateName);
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logger.debug(`Created ${createdEntities.length} default entities from template`);
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this.sceneState = {
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currentScenePath: null,
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sceneName: 'Untitled',
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isModified: false,
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isSaved: false
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};
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// 同步到 EntityStore
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// Sync to EntityStore
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this.entityStore?.syncFromScene();
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// 通知创建的实体
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// Notify about created entities
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for (const entity of createdEntities) {
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await this.messageHub.publish('entity:added', { entity });
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}
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await this.messageHub.publish('scene:new', {});
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logger.info('New scene created');
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}
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public async openScene(filePath?: string): Promise<void> {
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if (!await this.canClose()) {
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return;
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}
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let path: string | null | undefined = filePath;
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if (!path) {
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path = await this.fileAPI.openSceneDialog();
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if (!path) {
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return;
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}
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}
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try {
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const jsonData = await this.fileAPI.readFileContent(path);
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const validation = SceneSerializer.validate(jsonData);
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if (!validation.valid) {
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throw new Error(`场景文件损坏: ${validation.errors?.join(', ')}`);
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}
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const scene = Core.scene as Scene | null;
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if (!scene) {
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throw new Error('No active scene');
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}
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// 确保编辑器模式下设置 isEditorMode，延迟组件生命周期回调
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// Ensure isEditorMode is set in editor to defer component lifecycle callbacks
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scene.isEditorMode = true;
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scene.deserialize(jsonData, {
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strategy: 'replace'
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});
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// 加载场景资源 / Load scene resources
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if (this.sceneResourceManager) {
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await this.sceneResourceManager.loadSceneResources(scene);
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} else {
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logger.warn('[SceneManagerService] SceneResourceManager not available, skipping resource loading');
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}
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const fileName = path.split(/[/\\]/).pop() || 'Untitled';
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const sceneName = fileName.replace('.ecs', '');
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this.sceneState = {
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currentScenePath: path,
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sceneName,
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isModified: false,
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isSaved: true
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};
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this.entityStore?.syncFromScene();
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await this.messageHub.publish('scene:loaded', {
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path,
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sceneName,
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isModified: false,
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isSaved: true
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});
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logger.info(`Scene loaded: ${path}`);
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} catch (error) {
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logger.error('Failed to load scene:', error);
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throw error;
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}
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}
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public async saveScene(): Promise<void> {
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if (!this.sceneState.currentScenePath) {
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await this.saveSceneAs();
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return;
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}
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try {
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const scene = Core.scene as Scene | null;
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if (!scene) {
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throw new Error('No active scene');
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}
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const jsonData = scene.serialize({
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format: 'json',
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pretty: true,
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includeMetadata: true
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}) as string;
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await this.fileAPI.saveProject(this.sceneState.currentScenePath, jsonData);
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this.sceneState.isModified = false;
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this.sceneState.isSaved = true;
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await this.messageHub.publish('scene:saved', {
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path: this.sceneState.currentScenePath
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});
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logger.info(`Scene saved: ${this.sceneState.currentScenePath}`);
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} catch (error) {
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logger.error('Failed to save scene:', error);
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throw error;
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}
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}
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public async saveSceneAs(filePath?: string): Promise<void> {
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let path: string | null | undefined = filePath;
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if (!path) {
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let defaultName = this.sceneState.sceneName || 'Untitled';
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if (this.projectService?.isProjectOpen()) {
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const scenesPath = this.projectService.getScenesPath();
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if (scenesPath) {
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const sep = scenesPath.includes('\\') ? '\\' : '/';
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defaultName = `${scenesPath}${sep}${defaultName}`;
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}
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}
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path = await this.fileAPI.saveSceneDialog(defaultName);
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if (!path) {
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return;
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}
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}
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if (!path.endsWith('.ecs')) {
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path += '.ecs';
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}
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try {
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const scene = Core.scene as Scene | null;
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if (!scene) {
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throw new Error('No active scene');
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}
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const jsonData = scene.serialize({
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format: 'json',
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pretty: true,
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includeMetadata: true
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}) as string;
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await this.fileAPI.saveProject(path, jsonData);
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const fileName = path.split(/[/\\]/).pop() || 'Untitled';
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const sceneName = fileName.replace('.ecs', '');
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this.sceneState = {
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currentScenePath: path,
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sceneName,
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isModified: false,
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isSaved: true
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};
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await this.messageHub.publish('scene:saved', { path });
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logger.info(`Scene saved as: ${path}`);
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} catch (error) {
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logger.error('Failed to save scene as:', error);
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throw error;
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}
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}
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public async exportScene(filePath?: string): Promise<void> {
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let path: string | null | undefined = filePath;
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if (!path) {
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let defaultName = (this.sceneState.sceneName || 'Untitled') + '.ecs.bin';
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if (this.projectService?.isProjectOpen()) {
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const scenesPath = this.projectService.getScenesPath();
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if (scenesPath) {
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const sep = scenesPath.includes('\\') ? '\\' : '/';
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defaultName = `${scenesPath}${sep}${defaultName}`;
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}
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}
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path = await this.fileAPI.saveSceneDialog(defaultName);
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if (!path) {
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return;
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}
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}
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if (!path.endsWith('.ecs.bin')) {
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path += '.ecs.bin';
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}
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try {
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const scene = Core.scene as Scene | null;
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if (!scene) {
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throw new Error('No active scene');
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}
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const binaryData = scene.serialize({
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format: 'binary'
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}) as Uint8Array;
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await this.fileAPI.exportBinary(binaryData, path);
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await this.messageHub.publish('scene:exported', { path });
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logger.info(`Scene exported: ${path}`);
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} catch (error) {
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logger.error('Failed to export scene:', error);
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throw error;
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}
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}
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public getSceneState(): SceneState {
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return { ...this.sceneState };
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}
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public markAsModified(): void {
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if (!this.sceneState.isModified) {
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this.sceneState.isModified = true;
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this.messageHub.publishSync('scene:modified', {});
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logger.debug('Scene marked as modified');
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}
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}
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public async canClose(): Promise<boolean> {
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if (!this.sceneState.isModified) {
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return true;
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}
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return true;
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}
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private setupAutoModificationTracking(): void {
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const unsubscribeEntityAdded = this.messageHub.subscribe('entity:added', () => {
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this.markAsModified();
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});
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const unsubscribeEntityRemoved = this.messageHub.subscribe('entity:removed', () => {
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this.markAsModified();
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});
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const unsubscribeEntityReordered = this.messageHub.subscribe('entity:reordered', () => {
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this.markAsModified();
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});
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this.unsubscribeHandlers.push(unsubscribeEntityAdded, unsubscribeEntityRemoved, unsubscribeEntityReordered);
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logger.debug('Auto modification tracking setup complete');
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}
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public dispose(): void {
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for (const unsubscribe of this.unsubscribeHandlers) {
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unsubscribe();
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}
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this.unsubscribeHandlers = [];
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logger.info('SceneManagerService disposed');
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}
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}
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