silphius/app/engine.test.js
2024-06-29 11:25:22 -05:00

70 lines
1.9 KiB
JavaScript

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},
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()});
});