silphius/app/client/local.js
2024-09-05 16:48:57 -05:00

85 lines
2.3 KiB
JavaScript

import Client from '@/net/client.js';
import {decode, encode} from '@/net/packets/index.js';
import {CLIENT_INTERPOLATION, CLIENT_PREDICTION} from '@/util/constants.js';
export default class LocalClient extends Client {
server = null;
interpolator = null;
predictor = null;
async connect() {
this.server = new Worker(
new URL('../server/worker.js', import.meta.url),
{type: 'module'},
);
if (CLIENT_INTERPOLATION) {
this.interpolator = new Worker(
new URL('./interpolator.js', import.meta.url),
{type: 'module'},
);
this.interpolator.addEventListener('message', (event) => {
this.accept(event.data);
});
}
if (CLIENT_PREDICTION) {
this.predictor = new Worker(
new URL('./predictor.js', import.meta.url),
{type: 'module'},
);
this.predictor.addEventListener('message', (event) => {
const [flow, packet] = event.data;
switch (flow) {
case 0: {
const packed = encode(packet);
this.throughput.$$up += packed.byteLength;
this.server.postMessage(packed);
break;
}
case 1: {
if (CLIENT_INTERPOLATION) {
this.interpolator.postMessage(packet);
}
else {
this.accept(packet);
}
break;
}
}
});
}
this.server.addEventListener('message', (event) => {
if (0 === event.data) {
this.server.terminate();
this.server = null;
return;
}
this.throughput.$$down += event.data.byteLength;
const packet = decode(event.data);
if (CLIENT_PREDICTION) {
this.predictor.postMessage([1, packet]);
}
else if (CLIENT_INTERPOLATION) {
this.interpolator.postMessage(packet);
}
else {
this.accept(packet);
}
});
}
disconnect() {
this.server.postMessage(0);
if (CLIENT_INTERPOLATION) {
this.interpolator.terminate();
}
}
transmit(packet) {
if (CLIENT_PREDICTION) {
this.predictor.postMessage([0, packet]);
}
else {
const packed = encode(packet);
this.throughput.$$up += packed.byteLength;
this.server.postMessage(packed);
}
}
}