deploy Syncer to a2acloud Kubernetes

packages/shared/test/shooter.test.mjs

@@ -0,0 +1,282 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import {
+  BOT_COUNT,
+  BOT_ID_BASE,
+  Weapon,
+  shooterGame,
+} from "../dist/index.js";
+
+function runHeadlessMatch(ticks) {
+  const server = shooterGame.createServer();
+  const totals = {
+    shots: 0,
+    damageEvents: 0,
+    eliminations: 0,
+    respawns: 0,
+  };
+
+  for (let tick = 0; tick < ticks; tick += 1) {
+    const result = server.step();
+    for (const event of result.events) {
+      if (event.type === "shot") totals.shots += 1;
+      if (event.type === "damage") totals.damageEvents += 1;
+      if (event.type === "elimination") totals.eliminations += 1;
+      if (event.type === "respawn") totals.respawns += 1;
+    }
+  }
+
+  return {
+    ...totals,
+    tick: server.tick,
+    scores: [...server.currentState.players.values()]
+      .map((player) => ({
+        id: player.id,
+        kills: player.kills,
+        deaths: player.deaths,
+        alive: player.alive,
+        x: Number(player.x.toFixed(5)),
+        z: Number(player.z.toFixed(5)),
+      }))
+      .sort((a, b) => a.id - b.id),
+  };
+}
+
+test("the complete shooter match simulates headlessly on the backend", () => {
+  const match = runHeadlessMatch(7_200);
+  assert.equal(match.tick, 7_200);
+  assert.equal(match.scores.length, BOT_COUNT);
+  assert.ok(match.shots > 700, `expected active combat, saw ${match.shots} shots`);
+  assert.ok(match.damageEvents > 50, `expected hits, saw ${match.damageEvents}`);
+  assert.ok(match.eliminations >= 10, `expected kills, saw ${match.eliminations}`);
+  assert.ok(match.respawns >= 8, `expected respawns, saw ${match.respawns}`);
+  assert.equal(
+    match.scores.reduce((sum, score) => sum + score.kills, 0),
+    match.eliminations,
+  );
+  assert.ok(match.scores.every((score) => Number.isFinite(score.x + score.z)));
+});
+
+test("backend simulation is deterministic", () => {
+  assert.deepEqual(runHeadlessMatch(2_400), runHeadlessMatch(2_400));
+});
+
+test("human hitscan damages the historical target without rewinding live positions", () => {
+  const server = shooterGame.createServer();
+  server.addPlayer(1);
+  const shooter = server.currentState.players.get(1);
+  const target = server.currentState.players.get(BOT_ID_BASE);
+
+  for (const bot of server.currentState.players.values()) {
+    if (bot.id === BOT_ID_BASE || bot.id === 1) continue;
+    bot.alive = false;
+    bot.respawnTicks = 10_000;
+  }
+  shooter.x = -4;
+  shooter.z = -15;
+  shooter.yaw = Math.PI / 2;
+  shooter.pitch = 0;
+  shooter.spawnProtectionTicks = 0;
+  target.x = 0;
+  target.z = -15;
+  target.velocityX = 0;
+  target.velocityZ = 0;
+  target.inputForward = 0;
+  target.inputStrafe = 0;
+  target.spawnProtectionTicks = 0;
+  target.bot = null;
+
+  server.step();
+  target.z = -12.5;
+  const healthBefore = target.health;
+  server.submitInput(1, {
+    sequence: 1,
+    targetTick: 2,
+    observedTick: 1,
+    input: {
+      strafe: 0,
+      forward: 0,
+      yaw: Math.PI / 2,
+      pitch: 0,
+      fire: true,
+      sprint: false,
+      reload: false,
+      weapon: Weapon.PulseRifle,
+    },
+  });
+  const result = server.step();
+
+  assert.equal(target.z, -12.5, "the live target must not move backward");
+  assert.ok(target.health < healthBefore, "the rewound hitbox should take damage");
+  assert.ok(
+    result.events.some(
+      (event) => event.type === "damage" && event.targetId === BOT_ID_BASE,
+    ),
+  );
+  const shot = result.events.find(
+    (event) => event.type === "shot" && event.sourceId === 1,
+  );
+  assert.ok(shot);
+  assert.ok(Math.abs(shot.endZ + 15) < 0.01);
+});
+
+test("shooter recordings seek through checkpoints with privacy intact", () => {
+  const server = shooterGame.createServer({ replaySeed: 99 });
+  server.addPlayer(1);
+  for (let tick = 0; tick < 420; tick += 1) server.step();
+
+  const recording = server.exportRecording();
+  assert.equal(recording.durationTicks, 420);
+  assert.deepEqual(
+    recording.checkpoints.map(({ tick }) => tick),
+    [0, 120, 240, 360],
+  );
+
+  const replay = shooterGame.createReplay(recording);
+  replay.seek(135);
+  const finalFrame = replay.seek(420);
+  assert.deepEqual(finalFrame.state, server.currentState);
+
+  const playerView = replay.viewAs(1).state;
+  assert.ok(playerView.players.has(1));
+  assert.equal("nextEventId" in playerView, false);
+  assert.ok(
+    [...playerView.players.values()].every((player) => !("bot" in player)),
+  );
+});
+
+test("a human elimination creates a bounded attacker-perspective killcam", () => {
+  const server = shooterGame.createServer();
+  server.addPlayer(1);
+  let ticket = null;
+  for (let tick = 0; tick < 600 && !ticket; tick += 1) {
+    server.step();
+    ticket = server.drainReplayTickets(1)[0] ?? null;
+  }
+
+  assert.ok(ticket, "expected the standing human to receive a bot killcam");
+  assert.equal(ticket.requesterId, 1);
+  assert.ok(ticket.perspectiveId >= BOT_ID_BASE);
+  assert.equal(ticket.toTick, ticket.issuedAtTick);
+  assert.ok(ticket.frames.length > 60);
+  assert.ok(ticket.frames.length < 300);
+  assert.ok(
+    ticket.frames.every(({ state }) =>
+      [...state.players.values()].every(
+        (player) => !("bot" in player) && !("kills" in player),
+      ),
+    ),
+  );
+});
+
+test("snapshots and perception events cross the binary protocol", () => {
+  const server = shooterGame.createServer();
+  server.addPlayer(1);
+  const snapshot = server.createSnapshot(1, 123.5);
+  const snapshotFrame = shooterGame.protocol.encodeServer({
+    kind: "snapshot",
+    snapshot,
+  });
+  const decodedSnapshot = shooterGame.protocol.decodeServer(snapshotFrame);
+  assert.equal(decodedSnapshot.kind, "snapshot");
+  assert.equal(decodedSnapshot.snapshot.state.players.get(1).ammo.length, 3);
+
+  const event = {
+    id: 99,
+    type: "shot",
+    weapon: Weapon.RailRifle,
+    sourceId: 1,
+    originX: 1,
+    originY: 1.58,
+    originZ: 2,
+    endX: 11,
+    endY: 1.4,
+    endZ: -4,
+    impact: "wall",
+  };
+  const eventFrame = shooterGame.protocol.encodeServer({
+    kind: "event",
+    tick: 50,
+    event,
+  });
+  const decodedEvent = shooterGame.protocol.decodeServer(eventFrame);
+  assert.equal(decodedEvent.kind, "event");
+  assert.equal(decodedEvent.tick, 50);
+  assert.deepEqual(
+    {
+      ...decodedEvent.event,
+      originY: Number(decodedEvent.event.originY.toFixed(2)),
+      endY: Number(decodedEvent.event.endY.toFixed(2)),
+    },
+    event,
+  );
+});
+
+test("occluded combatants stay private while their gunfire becomes anonymous audio", () => {
+  const server = shooterGame.createServer();
+  server.addPlayer(1);
+  const authority = server.currentState;
+  const viewer = authority.players.get(1);
+  const hiddenBot = authority.players.get(BOT_ID_BASE);
+  viewer.x = 0;
+  viewer.z = -6;
+  viewer.yaw = 0;
+  hiddenBot.x = 0;
+  hiddenBot.z = 6;
+
+  const snapshot = server.createSnapshot(1, 0);
+  assert.equal(snapshot.state.players.has(BOT_ID_BASE), false);
+
+  const perceptions = server.createPerceptions(1, [
+    {
+      id: 777,
+      type: "shot",
+      sourceId: BOT_ID_BASE,
+      weapon: Weapon.PulseRifle,
+      originX: hiddenBot.x,
+      originY: 1.58,
+      originZ: hiddenBot.z,
+      endX: hiddenBot.x,
+      endY: 1.58,
+      endZ: hiddenBot.z - 10,
+      impact: "wall",
+    },
+  ]);
+  assert.equal(perceptions.length, 1);
+  assert.equal(perceptions[0].type, "sound");
+  assert.equal("sourceId" in perceptions[0], false);
+  assert.equal("originX" in perceptions[0], false);
+});
+
+test("visible opponents expose exact health but redact armor and inventory", () => {
+  const server = shooterGame.createServer();
+  server.addPlayer(1);
+  const viewer = server.currentState.players.get(1);
+  const opponent = server.currentState.players.get(BOT_ID_BASE);
+  viewer.x = -4;
+  viewer.z = -15;
+  viewer.yaw = Math.PI / 2;
+  opponent.x = 0;
+  opponent.z = -15;
+  opponent.health = 37;
+  opponent.armor = 19;
+  opponent.ammo[Weapon.PulseRifle].magazine = 3;
+
+  const replicated = server.createSnapshot(1, 0).state.players.get(BOT_ID_BASE);
+  assert.ok(replicated, "opponent should be visible in the clear corridor");
+  assert.equal(replicated.health, 37);
+  assert.equal(replicated.armor, 0);
+  assert.ok(
+    replicated.ammo.every(
+      (ammo) => ammo.magazine === 0 && ammo.reserve === 0,
+    ),
+  );
+  assert.equal(replicated.x, opponent.x);
+  assert.equal(replicated.weapon, opponent.weapon);
+
+  viewer.yaw = -Math.PI / 2;
+  assert.equal(
+    server.createSnapshot(1, 0).state.players.has(BOT_ID_BASE),
+    false,
+  );
+});