public void AddCar(Player player, Model model, GamePlayView gameplay)
{
if (model == null)
model = Game.Content.Load<Model>(@"Models/porsche");
var car = gameplay.MakeCar();
Cars[player] = car;
}
private void UpdateLocalCar(Player player, Car car)
{
// Calculate real position
if (Game.GetService<CameraComponent>().CurrentCamera is ThirdPersonCamera)
{
//Accelerate
car.Speed = Math.Min(car.Speed + (car.Acceleration - car.Speed * 0.00305f) *
input.GetState(Input.Thrust) -
input.GetState(Input.Brake) * car.Deacceleration, car.MaxSpeed);
// Turn Wheel
car.WheelRotationY += (input.GetState(Input.Steer) * (car.TurnSpeed - Math.Abs(car.Speed) * 0.00005f));
car.WheelRotationY = MathHelper.Clamp(car.WheelRotationY, -car.MaxWheelTurn, car.MaxWheelTurn);
if (Math.Abs(car.WheelRotationY) > .001f)
car.WheelRotationY *= .95f;
else
car.WheelRotationY = 0;
}
//Friction if is not driving
float friction = .995f;
if (Math.Abs(input.GetState(Input.Thrust)) < .001f)
{
car.Speed *= (friction - Math.Abs(car.Speed-car.MaxSpeed) * 0.0005f);
}
// If in a network game, run parallell simulation of car
var serverClient = Game.GetService<ServerClient>();
if (Game.GetService<ServerClient>().connected)
{
bool isOverThreshold = simulationStrategy.UpdatePosition(player, car);
// If car has deviated too much from simulated path, distribute position to server
if (isOverThreshold)
{
//Console.WriteLine(DateTime.Now + ": Local car over threshold, sending update!");
player.SetPosition(car.Position.X, car.Position.Y, car.Position.Z, car.Rotation, car.Speed, (byte)(player.LastReceived.Sequence + 1), DateTime.UtcNow);
serverClient.SendPlayerPosition();
}
}
}
public void RemoveCar(Player player)
{
Cars.Remove(player);
}
/// <summary>
/// Update a remote car with dead reckoning.
/// </summary>
/// <param name="player"></param>
/// <param name="car"></param>
private void UpdateNetworkCar(Player player, Car car)
{
car.MaterialDiffuse = player.CarColor;
simulationStrategy.UpdatePosition(player, car);
}
private void ParseDataPackage(NetIncomingMessage msg)
{
MessageType type = (MessageType)msg.ReadByte();
Dictionary<byte, Player> PlayerList = ServerHandler.Players;
Player player = null;
if (IsPlayerMessage(type) && !PlayerList.TryGetValue(msg.ReadByte(), out player))
{
//Console.WriteLine("Received message from unknown player, discarding...");
return;
}
switch (type)
{
case MessageType.PlayerPos:
byte sequenceNo = msg.ReadByte();
float x = msg.ReadFloat(); float y = msg.ReadFloat(); float z = msg.ReadFloat();
float rotation = msg.ReadFloat(); float velocity = msg.ReadFloat();
DateTime sentTime = new DateTime(msg.ReadInt64());
player.SetPosition(x, y, z, rotation, velocity, sequenceNo, sentTime);
break;
case MessageType.Chat:
string chatMsg = msg.ReadString();
Console.WriteLine("CHAT {0}: {1}", player.PlayerName, chatMsg);
var chatTuple = new Tuple<string, string, DateTime>(player.PlayerName, chatMsg, DateTime.Now);
ServerHandler.ChatHistory.AddLast(chatTuple);
break;
case MessageType.Debug:
break;
case MessageType.LobbyUpdate:
if (DEBUG_MODE) Console.Write("Received LobbyUpdate message: ");
Dictionary<byte, Player> newPlayerList = new Dictionary<byte, Player>();
byte playerCount = msg.ReadByte();
for (int i = 0; i < playerCount; i++)
{
byte discoveredPlayerId = msg.ReadByte();
string discoveredPlayerName = msg.ReadString();
bool discoveredPlayerReady = msg.ReadBoolean();
Vector3 discoveredPlayerColor = new Color(msg.ReadByte(), msg.ReadByte(), msg.ReadByte()).ToVector3();
if (DEBUG_MODE) Console.Write(discoveredPlayerName + ", ");
if (ServerHandler.LocalPlayer.ID != discoveredPlayerId) // ignore info of local player
{
Player discoveredPlayer;
if (!PlayerList.TryGetValue(discoveredPlayerId, out discoveredPlayer))
{
ServerHandler.Game.GetService<HUDConsoleComponent>().WriteOutput("New remote player "+discoveredPlayerName+" discovered!");
var newPlayer = new Player(GameManager.GetInstance(), discoveredPlayerId, discoveredPlayerName);
newPlayer.State = discoveredPlayerReady ? PlayerState.Game : PlayerState.Lobby;
newPlayer.CarColor = discoveredPlayerColor;
newPlayerList[discoveredPlayerId] = newPlayer;
}
else
{
discoveredPlayer.PlayerName = discoveredPlayerName; // maybe has changed name
discoveredPlayer.CarColor = discoveredPlayerColor; // or color
discoveredPlayer.State = discoveredPlayerReady ? PlayerState.Game : PlayerState.Lobby;
newPlayerList[discoveredPlayerId] = discoveredPlayer;
PlayerList.Remove(discoveredPlayerId);
}
}
ServerHandler.Players = newPlayerList;
}
// Remaining players in PlayerList are no longer connected to server.
foreach (var disconnectedPlayer in PlayerList.Values)
{
ServerHandler.Game.GetService<HUDConsoleComponent>().WriteOutput("Player "+disconnectedPlayer.PlayerName+" disconnected!");
var ccc = ServerHandler.Game.GetService<CarControlComponent>();
if (ccc != null) ccc.RemoveCar(disconnectedPlayer);
}
if (DEBUG_MODE) Console.WriteLine();
break;
case MessageType.OK:
byte assignedID = msg.ReadByte();
int gameSeed = msg.ReadInt32();
if (DEBUG_MODE) Console.WriteLine("Received OK handshake from server with ID: "+assignedID+", seed: "+gameSeed);
ServerHandler.LocalPlayer.ID = assignedID;
ServerHandler.Seed = gameSeed;
ServerHandler.connected = true;
ServerHandler.Game.GetService<HUDConsoleComponent>().WriteOutput("Connected! (id "+assignedID+")");
break;
case MessageType.Countdown:
byte countdown = msg.ReadByte();
if (DEBUG_MODE) Console.WriteLine("Received Countdown from server: " + countdown);
string[] countdownStr = { "3", "2", "1", "Go!" };
ServerHandler.Game.GetService<HUDComponent>().ShowTextNotification(Color.AliceBlue, countdownStr[countdown], TimeSpan.FromSeconds(0.8));
ServerHandler.GamePlay.mode.CountDownState = countdown;
if (countdown == 3)
ServerHandler.GamePlay.mode.GameStarted = true;
break;
case MessageType.RaceTime:
player.RaceTime = new TimeSpan(msg.ReadInt64());
break;
default:
break;
}
}