72 lines
1.9 KiB
TypeScript
72 lines
1.9 KiB
TypeScript
import { Renderer } from 'sdf-2d';
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import {
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CommandExecutors,
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CommandReceiver,
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CreateObjectsCommand,
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CreatePlayerCommand,
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DeleteObjectsCommand,
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Id,
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RemoteCallsForObjects,
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} from 'shared';
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import { Game } from '../game';
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import { Camera } from './camera';
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import { PlayerCharacterView } from './player-character-view';
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import { ViewObject } from './view-object';
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export class GameObjectContainer extends CommandReceiver {
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protected objects: Map<Id, ViewObject> = new Map();
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public player!: PlayerCharacterView;
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public camera!: Camera;
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protected commandExecutors: CommandExecutors = {
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[CreatePlayerCommand.type]: (c: CreatePlayerCommand) => {
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if (this.camera) {
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this.deleteObject(this.camera.id);
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}
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this.player = c.character as PlayerCharacterView;
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this.camera = new Camera(this.game);
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this.addObject(this.player);
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this.addObject(this.camera);
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},
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[CreateObjectsCommand.type]: (c: CreateObjectsCommand) =>
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c.objects.forEach((o) => this.addObject(o as ViewObject)),
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[RemoteCallsForObjects.type]: (c: RemoteCallsForObjects) =>
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c.callsForObjects.forEach((c) =>
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this.objects.get(c.id)?.processRemoteCalls(c.calls),
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),
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[DeleteObjectsCommand.type]: (c: DeleteObjectsCommand) =>
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c.ids.forEach((id: Id) => this.deleteObject(id)),
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};
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constructor(private game: Game) {
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super();
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}
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public stepObjects(deltaTimeInSeconds: number) {
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if (this.player) {
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this.camera.center = this.player.position;
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}
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this.objects.forEach((o) => o.step(deltaTimeInSeconds));
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}
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public drawObjects(renderer: Renderer, overlay: HTMLElement) {
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this.objects.forEach((o) => o.draw(renderer, overlay));
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}
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private addObject(object: ViewObject) {
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this.objects.set(object.id, object);
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}
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private deleteObject(id: Id) {
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const object = this.objects.get(id);
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object?.beforeDestroy();
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this.objects.delete(id);
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}
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}
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