d36b2f3237
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96 lines
2.3 KiB
TypeScript
96 lines
2.3 KiB
TypeScript
import { Engine } from "/Scripts/types/engine";
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import { Hook } from "/Scripts/types/hook";
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import { Scene } from "/Scripts/types/scene";
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/**
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* Loads scenes
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*/
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export class SceneLoader {
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/**
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* The parent engine object
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*/
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engine: Engine
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/**
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* The list of loaded scenes
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*/
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loadedScenes: Scene[] = [ ]
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/**
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* A record of tracked scene id to tracked scene object
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*/
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sceneIdMap: Record<number,Scene> = { }
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/**
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* A scene
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*/
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sceneIdIncrementer: number = 0
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/**
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* Loads a scene
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* @param sceneName The scene to load
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* @returns The id assigned to the instance of the scene
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*/
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loadScene(sceneName: string): number {
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//load and instantiate scene
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//@ts-ignore
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const SourceSceneClass = require(sceneName).default
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const sceneInstance: Scene = new SourceSceneClass()
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//creates an instance of the scene
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let sceneInstanceId: number = this.createInstance(sceneInstance,true)
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//call on init for scene
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if(sceneInstance.onCreate){
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sceneInstance.onCreate(sceneInstanceId)
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}
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return sceneInstanceId
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}
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/**
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* Registers all hooks in a scene to the hook manager
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* @param scene The scene
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* @returns The id assigned to the instance of the scene
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*/
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createInstance(scene: Scene, isServerScene: boolean): number {
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//add to the list of tracked scenes
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const trackedScene: Scene = {
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instanceId: this.sceneIdIncrementer++,
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...scene,
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}
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this.loadedScenes.push(trackedScene)
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this.sceneIdMap[trackedScene.instanceId] = trackedScene
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//load all hooks from the scene
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scene?.hooks?.forEach((hook: Hook) => {
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this.engine.hookManager.registerHook(trackedScene,hook,isServerScene)
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})
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return trackedScene.instanceId
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}
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/**
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* Deregisters all hooks in a scene from the hook manager
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* @param scene The scene
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*/
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deregisterScene(scene: Scene){
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throw new Error("Unsupported Operation!")
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}
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/**
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* Gets a tracked scene by its id
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* @param sceneId The tracked scene
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* @returns The tracked scene if it exists, null otherwise
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*/
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getScene(sceneId: number){
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return this.sceneIdMap[sceneId]
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}
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}
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