109 lines
2.9 KiB
TypeScript
109 lines
2.9 KiB
TypeScript
import { TrackedScene } from "/Scripts/engine/scene/scene-loader"
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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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* The scope that the hook is firing from
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*/
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export enum HookScope {
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CORE,
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SCRIPT,
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SCENE_CLIENT,
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SCENE_SERVER,
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}
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/**
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* A hook that is tracked by the manager
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*/
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export interface TrackedHook extends Hook {
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/**
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* The scope that this hook was defined at
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*/
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scope: HookScope,
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/**
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* The scene that added the hook
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*/
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scene?: TrackedScene,
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}
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/**
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* Manages hooks for the engine
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*/
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export class HookManager {
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/**
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* The list of all hooks currently tracked by this manager
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*/
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hooks: Array<TrackedHook> = []
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/**
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* A map of engine signal to the list of hooks that should be called when that signal fires
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*/
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signalHookMap: Record<string,Array<TrackedHook>> = { }
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/**
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* The list of all scenes tracked by the manager
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*/
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trackedScenes: Array<TrackedScene> = []
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/**
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* Registers a hook
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* @param scene The scene introducing the hook
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* @param hook The hook
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*/
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registerHook(scene: TrackedScene, hook: Hook, isServerScene: boolean){
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const trackedHook: TrackedHook = {
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...hook,
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scope: isServerScene ? HookScope.SCENE_SERVER : HookScope.SCENE_CLIENT,
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scene: scene,
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}
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//add to flat array
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this.hooks.push(trackedHook)
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//add to signal array
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const hookSignal: string = hook.signal
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const signalArray: Array<TrackedHook> = this.signalHookMap?.[hookSignal] ? this.signalHookMap?.[hookSignal] : []
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signalArray.push(trackedHook)
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this.signalHookMap[hookSignal] = signalArray
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//
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//Scene related structures
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//
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//track scene if it isn't already being tracked
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let filteredArr = this.trackedScenes.filter(trackedScene => trackedScene.sceneId === scene.sceneId)
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if(filteredArr.length < 1){
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this.trackedScenes.push(scene)
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}
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//add to scene tracking structures
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scene.sceneHooks.push(trackedHook)
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const sceneSignalArray: Array<TrackedHook> = scene.signalHookMap?.[hookSignal] ? scene.signalHookMap?.[hookSignal] : []
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sceneSignalArray.push(trackedHook)
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scene.signalHookMap[hookSignal] = sceneSignalArray
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}
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/**
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* Deregisters a hook
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* @param scene The scene which introduced the hook
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* @param hook The hook
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*/
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deregisterHook(scene: Scene, hook: Hook){
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throw new Error("Supported operation!")
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}
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/**
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* Fires a signal
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* @param signal The signal
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* @param value The value associated with the signal
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*/
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fireSignal(sceneId: number, signal: string, value: any){
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const hooks: Array<TrackedHook> = this.signalHookMap[signal]
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hooks.forEach(trackedHook => {
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trackedHook.callback(value)
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})
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}
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}
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