silphius/app/engine.test.js

import {expect, test} from 'vitest';

import {RESOLUTION} from '@/constants.js'
import Server from '@/net/server/server.js';

import Engine from './engine.js';

class TestServer extends Server {
  constructor() {
    super();
    this.data = {};
  }
  async readAsset() {
    return new ArrayBuffer(0);
  }
  async readData(path) {
    if (path in this.data) {
      return this.data[path];
    }
    const error = new Error();
    error.code = 'ENOENT';
    throw error;
  }
  async writeData(path, view) {
    this.data[path] = view;
  }
}

test('visibility-based updates', async () => {
  // const engine = new Engine(TestServer);
  // // Connect an entity.
  // await engine.connectPlayer(0, 0);
  // const ecs = engine.ecses['homesteads/0'];
  // // Create an entity.
  // const entity = ecs.get(await ecs.create({
  //   Forces: {forceX: 1},
  //   Position: {x: (RESOLUTION.x * 1.5) + 32 - 3, y: 20},
  //   Sprite: {
  //     anchor: {x: 0.5, y: 0.8},
  //     animation: 'moving:down',
  //     frame: 0,
  //     frames: 8,
  //     source: '/assets/dude/dude.json',
  //     speed: 0.115,
  //   },
  //   VisibleAabb: {},
  // }));
  // const {entity: mainEntity} = engine.connectedPlayers.get(0);
  // // Tick and get update. Should be a full update.
  // engine.tick(1);
  // expect(engine.updateFor(0))
  //   .to.deep.include({[mainEntity.id]: {MainEntity: {}, ...ecs.get(mainEntity.id).toJSON()}, [entity.id]: ecs.get(entity.id).toJSON()});
  // engine.setClean();
  // // Tick and get update. Should be a partial update.
  // engine.tick(1);
  // expect(engine.updateFor(0))
  //   .to.deep.include({
  //     [entity.id]: {
  //       Position: {x: (RESOLUTION.x * 1.5) + 32 - 1},
  //       VisibleAabb: {
  //         x0: 1199,
  //         x1: 1263,
  //       },
  //     },
  //   });
  // engine.setClean();
  // // Tick and get update. Should remove the entity.
  // engine.tick(1);
  // expect(engine.updateFor(0))
  //   .to.deep.include({[entity.id]: false});
  // // Aim back toward visible area and tick. Should be a full update for that entity.
  // engine.setClean();
  // entity.Forces.forceX = -1;
  // engine.tick(1);
  // expect(engine.updateFor(0))
  //   .to.deep.include({[entity.id]: ecs.get(entity.id).toJSON()});
});