init

2026-06-07 13:50:05 +08:00
commit aeb6dc46a4
28 changed files with 4458 additions and 0 deletions
--- a/engine/core/Engine.ts
+++ b/engine/core/Engine.ts
@@ -0,0 +1,103 @@
+import type { SceneNode, Choice, EngineEvent } from '../types'
+import { SceneManager } from './SceneManager'
+import { VideoManager } from './VideoManager'
+import { StateManager } from './StateManager'
+
+type EventHandler = (...args: any[]) => void
+
+export class Engine {
+  sceneManager: SceneManager
+  videoManager: VideoManager
+  stateManager: StateManager
+
+  private currentScene: SceneNode | null = null
+  private events: Map<EngineEvent, Set<EventHandler>> = new Map()
+  private ended: boolean = false
+
+  constructor() {
+    this.sceneManager = new SceneManager()
+    this.videoManager = new VideoManager()
+    this.stateManager = new StateManager()
+  }
+
+  on(event: EngineEvent, handler: EventHandler) {
+    if (!this.events.has(event)) this.events.set(event, new Set())
+    this.events.get(event)!.add(handler)
+  }
+
+  off(event: EngineEvent, handler: EventHandler) {
+    this.events.get(event)?.delete(handler)
+  }
+
+  private emit(event: EngineEvent, ...args: any[]) {
+    this.events.get(event)?.forEach((h) => h(...args))
+  }
+
+  start() {
+    this.ended = false
+    const startScene = this.sceneManager.getStartScene()
+    this.goToScene(startScene)
+  }
+
+  private goToScene(scene: SceneNode) {
+    this.currentScene = scene
+
+    if (scene.onEnter) {
+      this.stateManager.apply(scene.onEnter)
+    }
+
+    this.videoManager.play(scene.videoUrl)
+    this.emit('sceneChange', scene)
+
+    this.videoManager.onEnd(() => {
+      this.emit('videoEnd', scene)
+      this.onVideoEnd(scene)
+    })
+  }
+
+  private onVideoEnd(scene: SceneNode) {
+    if (scene.choices && scene.choices.length > 0) {
+      this.emit('choiceRequest', scene.choices)
+    } else if (scene.nextScene) {
+      const next = this.sceneManager.getScene(scene.nextScene)
+      if (next) {
+        this.goToScene(next)
+      } else {
+        this.endGame()
+      }
+    } else {
+      this.endGame()
+    }
+  }
+
+  makeChoice(choice: Choice) {
+    if (!this.currentScene) return
+
+    if (choice.effects) {
+      this.stateManager.apply(choice.effects)
+    }
+
+    this.stateManager.recordChoice({
+      sceneId: this.currentScene.id,
+      choiceIndex: this.currentScene.choices?.indexOf(choice) ?? -1,
+      choiceText: choice.text,
+    })
+
+    const next = this.sceneManager.getScene(choice.targetScene)
+    if (next) {
+      this.goToScene(next)
+    } else {
+      this.endGame()
+    }
+  }
+
+  endGame() {
+    this.ended = true
+    this.emit('gameEnd')
+  }
+
+  destroy() {
+    this.videoManager.detach()
+    this.events.clear()
+  }
+}