andras/decla-red
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Add tests

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This commit is contained in:
Andras Schmelczer 2026-06-16 07:54:06 +01:00
commit b6db7e8dc7
1 changed files with 494 additions and 109 deletions
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24
backend/src/players/player.ts
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@ -32,6 +32,9 @@ import { PhysicalContainer } from '../physics/containers/physical-container';
import { PlayerContainer } from './player-container';
import { PlayerBase } from './player-base';
// How often the server pings each client to measure round-trip time.
const pingIntervalSeconds = 1;
export class Player extends PlayerBase {
// default, until the clients sends its real value
private aspectRatio: number = 16 / 9;
@ -41,6 +44,12 @@ export class Player extends PlayerBase {
private lastInputClientTimeMs = 0;
private lastLeapClientTimeMs = 0;
// Measured round-trip time to this client (ms) — the latency primitive that
// lag compensation, a latency HUD, and adaptive interpolation build on.
public rttMs = 0;
private timeSinceLastPing = 0;
private lastPingSentMs = 0;
protected commandExecutors: CommandExecutors = {
[SetAspectRatioActionCommand.type]: (v: SetAspectRatioActionCommand) =>
(this.aspectRatio = v.aspectRatio),
@ -71,6 +80,15 @@ export class Player extends PlayerBase {
super(playerInfo, playerContainer, objectContainer, team);
this.createCharacter();
this.step(0);
// The client already echoes a Pong for every Ping (see game.ts). Only one
// ping is ever in flight, so RTT is simply now − send-time; no payload
// needed and no client change required.
this.socket.on(TransportEvents.Pong, () => {
if (this.lastPingSentMs > 0) {
this.rttMs = performance.now() - this.lastPingSentMs;
}
});
}
protected createCharacter() {
@ -191,6 +209,12 @@ export class Player extends PlayerBase {
this.queueCommandSend(new RemoteCallsForObjects(remoteCalls));
}
if ((this.timeSinceLastPing += deltaTime) > pingIntervalSeconds) {
this.timeSinceLastPing = 0;
this.lastPingSentMs = performance.now();
this.socket.emit(TransportEvents.Ping);
}
if ((this.timeSinceLastMessage += deltaTime) > settings.updateMessageInterval) {
this.handleAnnouncements();
this.handleViewAreaUpdate();