public static void Run()
{
var serverSimulator = new ServerSimulator();
RegisterActorFactories(serverSimulator);
var serverSceneDesc = new ExampleSceneDesc(50, 50);
var serverScene = serverSimulator.CreateScene <ExampleScene>(serverSceneDesc);
using (var server = new ReliableUdpServer(serverSimulator, 9000))
{
server.Start();
var timer = Stopwatch.StartNew();
for (var i = 0; ; i++)
{
var simulateTime = 50 * i;
var waitTime = simulateTime - (int)timer.ElapsedMilliseconds;
if (waitTime > 0)
{
Thread.Sleep(waitTime);
}
server.Update();
}
server.Stop();
}
}
public ReliableUdpServer(ServerSimulator simulator, int listeningPort, string appIdentifier = "Nostradamus")
{
this.simulator = simulator;
var serverConf = new NetPeerConfiguration(appIdentifier);
serverConf.Port = listeningPort;
server = new NetServer(serverConf);
}
private static DeltaSyncFrame Server_Simulate(ServerSimulator simulator, ExampleScene scene, int time, int expectedEventCount, int?expectedCommandSeq = null)
{
logger.Error("Begin server simulation: {0}ms", time);
simulator.Simulate();
Assert.AreEqual(time + scene.Desc.SimulationDeltaTime, simulator.Time);
var frame = simulator.DeltaSyncFrame;
Assert.AreEqual(time, frame.Time);
Assert.AreEqual(scene.Desc.SimulationDeltaTime, frame.DeltaTime);
Assert.AreEqual(expectedEventCount, frame.Events.Count);
if (expectedCommandSeq == null)
{
Assert.AreEqual(0, frame.LastCommandSeqs.Count);
}
else
{
var clientId = new ClientId(1);
Assert.AreEqual(1, frame.LastCommandSeqs.Count);
Assert.AreEqual(expectedCommandSeq.Value, frame.LastCommandSeqs[clientId]);
}
var ball = (RigidBodySnapshot)scene.Ball.Snapshot;
logger.Debug("Ball position: {1}f, {2}f, {3}f", time, ball.Position.X, ball.Position.Y, ball.Position.Z);
var cube = (RigidBodySnapshot)scene.Cube.Snapshot;
logger.Debug("Cube position: {1}f, {2}f, {3}f", time, cube.Position.X, cube.Position.Y, cube.Position.Z);
logger.Error("End server simulation: {0}ms", time);
return(frame);
}
public static void Run()
{
var elapsedTime = 0;
var serverSimulator = new ServerSimulator();
RegisterActorFactories(serverSimulator);
var serverSceneDesc = new ExampleSceneDesc(50, 50);
var serverScene = serverSimulator.CreateScene <ExampleScene>(serverSceneDesc);
var server = new ReliableUdpServer(serverSimulator, 9000);
server.Start();
var serverNextTime = 0;
var serverAddress = new IPEndPoint(IPAddress.Loopback, 9000);
var clientId = new ClientId(1);
var clientSimulator = new ClientSimulator(clientId);
RegisterActorFactories(clientSimulator);
var clientSceneDesc = new ExampleSceneDesc(20, 50);
var clientScene = clientSimulator.CreateScene <ExampleScene>(clientSceneDesc);
var client = new ReliableUdpClient(clientSimulator, serverAddress);
var clientNextTime = 60;
var clientRunning = false;
while (true)
{
var key = Console.ReadKey();
switch (key.Key)
{
case ConsoleKey.Spacebar:
elapsedTime += 10;
logger.Info("Time elapsed {0}ms", elapsedTime);
if (serverNextTime <= elapsedTime)
{
logger.Info("++++ Begin server update at {0}ms", serverNextTime);
server.Update();
PrintActorSnapshots(serverScene, serverSimulator.Time);
logger.Info("++++ End server update at {0}ms", serverSimulator.Time);
serverNextTime += 50;
}
if (clientNextTime <= elapsedTime)
{
if (clientNextTime == 60)
{
client.Start();
logger.Info("Client started at {0}ms", clientNextTime);
clientNextTime += 20;
}
else
{
logger.Info("---- Begin Client update at {0}ms", clientNextTime);
client.Update();
PrintActorSnapshots(clientScene, clientSimulator.Time);
clientRunning = true;
logger.Info("---- End Client update at {0}ms", clientSimulator.Time);
clientNextTime += 20;
}
}
else if (clientRunning)
{
logger.Info("---- Begin Client interpolate update at {0}ms", clientNextTime);
PrintActorSnapshots(clientScene, clientSimulator.Time);
logger.Info("---- End Client interpolate update at {0}ms", clientSimulator.Time);
}
break;
case ConsoleKey.Escape:
goto End;
case ConsoleKey.LeftArrow:
if (clientSimulator != null && clientScene.Ball != null)
{
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(x: -1));
}
break;
case ConsoleKey.UpArrow:
if (clientSimulator != null && clientScene.Ball != null)
{
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(z: 1));
}
break;
case ConsoleKey.RightArrow:
if (clientSimulator != null && clientScene.Ball != null)
{
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(x: 1));
}
break;
case ConsoleKey.DownArrow:
if (clientSimulator != null && clientScene.Ball != null)
{
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(z: -1));
}
break;
default:
logger.Warn("Unsupported input: {0}", key.Key);
break;
}
}
End:
server.Stop();
server.Dispose();
client.Stop();
client.Dispose();
}
public void TestExampleScene()
{
// Server tick freq: 20Hz. Client tick freq: 50Hz. Client latency: 40ms
var serverSimulator = new ServerSimulator();
RegisterActorFactories(serverSimulator);
var serverSceneDesc = new ExampleSceneDesc(50, 50);
var serverScene = serverSimulator.CreateScene <ExampleScene>(serverSceneDesc);
var clientId = new ClientId(1);
var clientSimulator = new ClientSimulator(clientId);
RegisterActorFactories(clientSimulator);
var clientSceneDesc = new ExampleSceneDesc(20, 50);
var clientScene = clientSimulator.CreateScene <ExampleScene>(clientSceneDesc);
// +++ Server: 0. Update #1 sent
Server_Simulate(serverSimulator, serverScene, 0, 3, null);
var fullSyncFrame0 = serverSimulator.FullSyncFrame;
// --- Client: 40 / 0. Update #1 received
clientSimulator.ReceiveFullSyncFrame(fullSyncFrame0);
Client_Simulate(clientSimulator, clientScene, 0, null);
// +++ Server: 50 / 10. Update #2 sent
var deltaSyncFrame50 = Server_Simulate(serverSimulator, serverScene, 50, 2, null);
// --- Client: 60 / 20. Update #2
Client_Simulate(clientSimulator, clientScene, 20, null);
// --- Client: 80 / 40. Updated #3. Move command #1 sent
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(1, 0, 1));
var commandFrame40 = Client_Simulate(clientSimulator, clientScene, 40, 1);
// --- Client: 90 / 50. Update #2 received
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame50);
// +++ Server: 100 / 60. Update #3 sent
// --- Client: 100 / 60. Updated #3. Move command #2 sent.
var deltaSyncFrame100 = Server_Simulate(serverSimulator, serverScene, 100, 2, null);
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(1, 0, 0.5f));
var commandFrame60 = Client_Simulate(clientSimulator, clientScene, 60, 2);
// +++ Server: 120 / 80. Move command #1 received
// --- Client: 120 / 80. Updated #4. Move command #3 sent.
serverSimulator.ReceiveCommandFrame(commandFrame40);
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(0.5f, 0, 1f));
var commandFrame80 = Client_Simulate(clientSimulator, clientScene, 80, 3);
// +++ Server: 140 / 100. Move command #2 received
// --- Client: 140 / 100. Update #3 received. Updated #5. Move command #4 sent.
serverSimulator.ReceiveCommandFrame(commandFrame60);
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame100);
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(1, 0, 1));
var commandFrame100 = Client_Simulate(clientSimulator, clientScene, 100, 4);
// +++ Server: 150 / 110. Update #4 sent
var deltaSyncFrame150 = Server_Simulate(serverSimulator, serverScene, 150, 2, 2);
// +++ Server: 160 / 120. Move command #3 received
// --- Client: 160 / 120. Updated #4. Move command #5 sent.
serverSimulator.ReceiveCommandFrame(commandFrame80);
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(0.5f, 0, 1f));
var commandFrame120 = Client_Simulate(clientSimulator, clientScene, 120, 5);
// +++ Server: 180 / 140. Move command #3 received
// --- Client: 180 / 140. Updated #4. Move command #6 sent.
serverSimulator.ReceiveCommandFrame(commandFrame100);
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(1, 0, 0.5f));
var commandFrame140 = Client_Simulate(clientSimulator, clientScene, 140, 6);
// --- Client: 190 / 150. Update #4 received
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame150);
// +++ Server: 200 / 160. Move command #4 received. Update
// --- Client: 200 / 160. Update #8
serverSimulator.ReceiveCommandFrame(commandFrame120);
var deltaSyncFrame200 = Server_Simulate(serverSimulator, serverScene, 200, 2, 5);
clientSimulator.ReceiveCommand(clientScene.Ball, new KickBallCommand(1, 0, 1));
var commandFrame160 = Client_Simulate(clientSimulator, clientScene, 160, 7);
// +++ Server: 220 / 180. Move command #5 received
// --- Client: 220 / 180. Update #9
serverSimulator.ReceiveCommandFrame(commandFrame140);
Client_Simulate(clientSimulator, clientScene, 180, null);
// +++ Server: 240 / 200. Move command #6 received
// --- Client: 240 / 200. Update #4 received. Update #10
serverSimulator.ReceiveCommandFrame(commandFrame160);
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame200);
Client_Simulate(clientSimulator, clientScene, 200, null);
// +++ Server: 250 / 210. Update
var deltaSyncFrame250 = Server_Simulate(serverSimulator, serverScene, 250, 2, 7);
// --- Client: 260 / 220. Update #11
Client_Simulate(clientSimulator, clientScene, 220, null);
// --- Client: 280 / 240. Update #12
Client_Simulate(clientSimulator, clientScene, 240, null);
// --- Client: 290 / 250. Update #5 received
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame250);
// +++ Server: 300 / 260. Update #6 sent
// --- Client: 300 / 260. Update #13
var deltaSyncFrame300 = Server_Simulate(serverSimulator, serverScene, 300, 2, null);
Client_Simulate(clientSimulator, clientScene, 260, null);
// --- Client: 320 / 280. Update #14
Client_Simulate(clientSimulator, clientScene, 280, null);
// --- Client: 340 / 300. Update #6 received. Update #15
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame300);
Client_Simulate(clientSimulator, clientScene, 300, null);
// +++ Server: 350 / 310. Update #7 sent
var deltaSyncFrame350 = Server_Simulate(serverSimulator, serverScene, 350, 2, null);
// --- Client: 360 / 320. Update #16
Client_Simulate(clientSimulator, clientScene, 320, null);
// --- Client: 380 / 340. Update #17
Client_Simulate(clientSimulator, clientScene, 340, null);
// --- Client: 390 / 350. Update #7 received
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame350);
// +++ Server: 400 / 360. Update #8 sent
// --- Client: 400 / 360. Update #18
var deltaSyncFrame400 = Server_Simulate(serverSimulator, serverScene, 400, 2, null);
Client_Simulate(clientSimulator, clientScene, 360, null);
// --- Client: 420 / 380. Update #19
Client_Simulate(clientSimulator, clientScene, 380, null);
// --- Client: 440 / 400. Update #8 received. Update #20
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame400);
Client_Simulate(clientSimulator, clientScene, 400, null);
// +++ Server: 450 / 410. Update #9 sent
var deltaSyncFrame450 = Server_Simulate(serverSimulator, serverScene, 450, 2, null);
// --- Client: 460 / 420. Update #21
Client_Simulate(clientSimulator, clientScene, 420, null);
// --- Client: 480 / 440. Update #22
Client_Simulate(clientSimulator, clientScene, 440, null);
// --- Client: 490 / 450. Update #9 received
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame450);
// +++ Server: 500 / 460. Update #10 sent
// --- Client: 500 / 460. Update #23
var deltaSyncFrame500 = Server_Simulate(serverSimulator, serverScene, 500, 2, null);
Client_Simulate(clientSimulator, clientScene, 460, null);
// --- Client: 520 / 480. Update #24
Client_Simulate(clientSimulator, clientScene, 480, null);
// --- Client: 540 / 500. Update #10 received. Update #25
clientSimulator.ReceiveDeltaSyncFrame(deltaSyncFrame500);
Client_Simulate(clientSimulator, clientScene, 500, null);
}
public void TestExampleScene()
{
var simulator = new ServerSimulator();
simulator.RegisterActorFactory <ExampleSceneDesc, ExampleScene>(desc => new ExampleScene());
simulator.RegisterActorFactory <BallDesc, Ball>(desc => new Ball());
simulator.RegisterActorFactory <CubeDesc, Cube>(desc => new Cube());
var sceneDesc = new ExampleSceneDesc(50, 50);
var scene = simulator.CreateScene <ExampleScene>(sceneDesc);
// Time: 0 - 50
simulator.Simulate();
var frame0 = simulator.DeltaSyncFrame;
Assert.AreEqual(0, frame0.Time);
Assert.AreEqual(50, frame0.DeltaTime);
Assert.AreEqual(3, frame0.Events.Count);
var ball50 = (RigidBodySnapshot)scene.Ball.Snapshot;
AssertHelper.AreApproximate(-2.6f, ball50.Position.X);
AssertHelper.AreApproximate(2.575475f, ball50.Position.Y);
AssertHelper.AreApproximate(-2.6f, ball50.Position.Z);
var cube50 = (RigidBodySnapshot)scene.Cube.Snapshot;
AssertHelper.AreApproximate(1.1f, cube50.Position.X);
AssertHelper.AreApproximate(1.07547498f, cube50.Position.Y);
AssertHelper.AreApproximate(1.1f, cube50.Position.Z);
var killBallCommand = new KickBallCommand(1, 0, 1);
var clientId = new ClientId(1);
var command = new Command(clientId, scene.Ball.Desc.Id, 1, 20, 20, killBallCommand);
var clientFrame = new CommandFrame(clientId);
clientFrame.Commands.Add(command);
simulator.ReceiveCommandFrame(clientFrame);
// Time: 50 - 100
simulator.Simulate();
var frame50 = simulator.DeltaSyncFrame;
Assert.AreEqual(50, frame50.Time);
Assert.AreEqual(50, frame50.DeltaTime);
Assert.AreEqual(2, frame50.Events.Count);
var ball100 = (RigidBodySnapshot)scene.Ball.Snapshot;
AssertHelper.AreApproximate(-2.3499999f, ball100.Position.X);
AssertHelper.AreApproximate(2.52669716f, ball100.Position.Y);
AssertHelper.AreApproximate(-2.3499999f, ball100.Position.Z);
var cube100 = (RigidBodySnapshot)scene.Cube.Snapshot;
AssertHelper.AreApproximate(1.1f, cube100.Position.X);
AssertHelper.AreApproximate(1.02669704f, cube100.Position.Y);
AssertHelper.AreApproximate(1.1f, cube100.Position.Z);
}