public GameDataPacket(IPEndPoint destination, GameData gameData)
: base(PacketType.GAMEDATA, destination)
{
AddContent(gameData.GetByteArray());
FinalizeData();
return;
}
/// <summary>
/// Perform a transion between states.
/// </summary>
/// <param name="transEvent">An event that is occuring when a packet arrives.</param>
/// <param name="packet">The packet received over the network.</param>
public void DoTransition(GameServerTransition transEvent, GameData packet)
{
Tuple<GameServerState, TransitionAction> transition = null;
try
{
transition = TransitionTable[new Tuple<GameServerState,GameServerTransition>(CurrentState,transEvent)];
transition.Item2(packet);
CurrentState = transition.Item1;
}
catch (Exception error)
{
Debug.WriteLine("You managed to break the GameServerStateMachine. Congratulations, asshole: {0}", new Object[] {error.Message});
Debug.WriteLine("Violating Transition: {0} - {1} - {2}",new Object[] {CurrentState,transEvent,packet});
throw error;
}
return;
}
/// <summary>
/// Handles a Game Start Request
/// </summary>
/// <param name="gameData">The game data related to character locking.</param>
protected override void OnGameStart(GameData gameData)
{
// Set player as ready
Game.GetPlayer(gameData.PlayerID).PlayerReady = true;
for (int i = 0; i < Game.players.Length; ++i)
{
Player player = Game.GetPlayer(i);
if (player != null && !player.PlayerReady)
{
return;
}
}
// If everyone has sent the start game request:
Game.Network.BroadCastGameData(new GameData(GameData.GameDataType.GameStart));
Game.StartGame();
return;
}
/// <summary>
/// A Player has joined, set them up in the system.
/// </summary>
/// <param name="gameData">The game data related to the character joining the session.</param>
protected override void OnPlayerConnect(GameData gameData)
{
GameData response;
Player player = Game.ConnectionIDToPlayer(gameData.ConnectionInfo);
switch ((GameData.ConnectionDetails)gameData.EventDetail)
{
case GameData.ConnectionDetails.IdReqest:
if (player == null) // If this is a new player, assign them a new ID, otherwise just resend the old id
{
player = new Player(gameData.ConnectionInfo, Game);
}
response = new GameData(GameData.GameDataType.Connect, player.PlayerID, (int)GameData.ConnectionDetails.IdReqest);
//TODO: Ask Ben Cassel, why is this broadcast?
Game.Network.BroadCastGameData(response);
for (int i = 0; i < Game.players.Length; ++i)
{
if (Game.players[i] != null)
{
response = new GameData(GameData.GameDataType.Connect, Game.players[i].PlayerID, (int)GameData.ConnectionDetails.Connected);
Game.Network.BroadCastGameData(response);
}
}
break;
case GameData.ConnectionDetails.Disconnected:
case GameData.ConnectionDetails.Dropped:
if (player != null) // This is a known player based on their connection, so we can drop them
{
Game.UnregisterPlayer(player);
response = new GameData(GameData.GameDataType.Connect,player.PlayerID,(int)GameData.ConnectionDetails.Disconnected);
Game.Network.BroadCastGameData(response);
}
break;
default:
throw new ArgumentException();
}
return;
}
/// <summary>
/// Update hanlder from the network layer. This is only invoked until control passes back to the game server.
/// </summary>
/// <param name="gameData">Game data being used to update the state of the game.</param>
public void UpdateLobbyState(GameData gameData)
{
switch (gameData.Type)
{
case GameData.GameDataType.Connect:
OnPlayerConnect(gameData);
break;
case GameData.GameDataType.SelectCharacter:
OnPlayerSelectCharacter(gameData);
break;
case GameData.GameDataType.LockCharacter:
OnPlayerLockCharacter(gameData);
break;
case GameData.GameDataType.GameStart:
OnGameStart(gameData);
break;
default:
throw new ArgumentException();
}
return;
}
/// <summary> /// Run logic for when a player locks or unlocks a character. /// </summary> /// <param name="gameData">The game data related to the player's actions.</param> protected abstract void OnPlayerLockCharacter(GameData gameData);
/// <summary> /// Run logic for a player connecting to or disconnecting from the game. /// </summary> /// <param name="gameData">The game data related to the player's actions.</param> protected abstract void OnPlayerConnect(GameData gameData);
/// <summary> /// Handles a Game Start Request /// </summary> /// <param name="gameData">The game data related to character locking.</param> protected abstract void OnGameStart(GameData gameData);
/// <summary>
/// Send a unit of game data to a particular client.
/// </summary>
/// <param name="gameData">The unit of game data to send.</param>
/// <param name="connectionID">The ID of the client to send the game data to.</param>
public void SendGameData(GameData gameData, ConnectionID connectionID)
{
networkWorker.SendPacket(new GameDataPacket(connectionID.IPEndPoint, gameData));
return;
}
/// <summary>
/// After choosing the level and number of players, start the game.
/// </summary>
/// <param name="levelID">The ID of the level to initialize.</param>
/// <param name="myPlayerID">The ID of the player character.</param>
public void SetupGameState(int levelID, int myPlayerID)
{
Level level = new Level(GameState.root, LevelPack.levels[levelID]);
SpawnPointEntity sp = level.spawnPoints[myPlayerID];
TestMan tm = new TestMan(sp, true);
players[myPlayerID].EntityID = tm.id;
LocalPlayer.EntityID = players[myPlayerID].EntityID; //hack?
EntityData entityData = new EntityData(EntityData.EntityType.TestMan, tm.id, tm.transform);
GameData gameData = new GameData(GameData.GameDataType.NewEntity, myPlayerID, 0, null, entityData);
Network.SendGameData(gameData);
return;
}
/// <summary>
/// Update an entity based on a transform.
/// </summary>
/// <param name="entity">The entity to update.</param>
public virtual void OnTransformChange(Entity entity)
{
// Generate a transform change packet, put it on stack
TransformData transformData = new TransformData(entity.id, entity.transform);
// TODO: This likely doesn't work. This neeeds to be fixed (the player ID and event detail might need changing, or we may simply need a new constructor).
GameData gameData = new GameData(GameData.GameDataType.Movement, LocalPlayer.PlayerID, 0, transformData);
lock (gameStatesToSend)
{
gameStatesToSend.Add(gameData);
}
return;
}
/// <summary>
/// A player has changed their character selection.
/// </summary>
/// <param name="gameData">The game data related to character selection.</param>
protected override void OnPlayerSelectCharacter(GameData gameData)
{
Player player = Game.ConnectionIDToPlayer(gameData.ConnectionInfo);
player.CharacterSelection = gameData.EventDetail;
Game.Network.BroadCastGameData(new GameData(GameData.GameDataType.SelectCharacter, player.PlayerID, gameData.EventDetail));
return;
}
/// <summary>
/// Hanldes the character lock request
/// </summary>
/// <param name="gameData">The game data related to character locking.</param>
protected override void OnPlayerLockCharacter(GameData gameData)
{
Player player = Game.ConnectionIDToPlayer(gameData.ConnectionInfo);
player.CharacterLocked = true;
Game.Network.BroadCastGameData(new GameData(GameData.GameDataType.LockCharacter, player.PlayerID));
return;
}
/// <summary>
/// Handles reception of game data updates from the client.
/// </summary>
/// <param name="packet">A packet that contains game data information.</param>
protected override void OnGameData(NetworkPacket packet)
{
GameData gameData = new GameData(packet.DataArray);
gameData.ConnectionInfo = connections[packet.Destination];
gameDataUpdater(gameData);
return;
}
/// <summary> /// Run logic for a player choosing between different characters. /// </summary> /// <param name="gameData">The game data related to the player's actions.</param> protected abstract void OnPlayerSelectCharacter(GameData gameData);
/// <summary>
/// Send out state change information
/// </summary>
/// <param name="entity">The entity to update.</param>
public virtual void OnEntityStateChange(Entity entity)
{
EntityStateData stateData;
// Invoke class-specific constructors, to avoid sending extra information
if (entity is MobileEntity)
{
stateData = new EntityStateData((MobileEntity)entity);
}
else
{
stateData = new EntityStateData(entity);
}
GameData gameData = new GameData(GameData.GameDataType.EntityStateChange, LocalPlayer.PlayerID, 0);
gameData.EventDetail = entity.id;
gameData.EntityStateData = stateData;
lock (gameStatesToSend)
{
gameStatesToSend.Add(gameData);
}
return;
}
/// <summary>
/// Handles a Game Start Request
/// </summary>
/// <param name="gameData">The game data related to character locking.</param>
protected override void OnGameStart(GameData gameData)
{
Game.SetupGameState(0, Game.LocalPlayer.PlayerID);
Game.StartGame();
newGameUpdater.Invoke(Game);
return;
}
/// <summary>
/// Add incoming data to the game states.
/// </summary>
/// <param name="gameData">Received game data that should inform us about changing state, requests, etc.</param>
protected virtual void AddGameState(GameData gameData)
{
lock (gameStatesToCommit)
{
gameStatesToCommit.Add(gameData);
}
return;
}
/// <summary>
/// A Player has joined, set them up in the system.
/// </summary>
/// <param name="gameData">The game data related to the character joining the session.</param>
protected override void OnPlayerConnect(GameData gameData)
{
// TODO: Add responses to some of these events if necessary
switch ((GameData.ConnectionDetails)gameData.EventDetail)
{
case GameData.ConnectionDetails.IdReqest:
if (Game.LocalPlayer == null)
{
Game.LocalPlayer = new Player(null, Game, gameData.PlayerID);
Entity.next_id = gameData.PlayerID * (int.MaxValue / GameBase.MAX_PLAYERS);
}
break;
case GameData.ConnectionDetails.Connected: // Register a new player on a client
new Player(null, Game, gameData.PlayerID);
break;
case GameData.ConnectionDetails.Disconnected: // Drop a connected player from the client
case GameData.ConnectionDetails.Dropped:
Game.UnregisterPlayer(Game.GetPlayer(gameData.PlayerID));
break;
default:
throw new ArgumentException();
}
return;
}
/// <summary>
/// Update the state over the game based on incoming game data.
/// </summary>
/// <param name="gameData">The received game data.</param>
protected override void AddGameState(GameData gameData)
{
lock (gameStatesToCommit)
{
for (int i = 0; i < players.Length; i++) // Forward the received information to other machines (but not the one received from)
{
Player player = GetPlayer(i);
if (i == gameData.PlayerID || player == null)
{
continue;
}
Network.SendGameData(gameData, PlayerToConnectionID(players[i]));
gameStatesToCommit.Add(gameData);
}
}
return;
}
/// <summary>
/// A player has changed their character selection.
/// </summary>
/// <param name="gameData">The game data related to character selection.</param>
protected override void OnPlayerSelectCharacter(GameData gameData)
{
throw new NotImplementedException();
}
/// <summary>
/// Send a unit of game data to the server.
/// </summary>
/// <param name="gameData">The game data to send to the server.</param>
public void SendGameData(GameData gameData)
{
networkWorker.SendPacket(new GameDataPacket(serverEndPoint, gameData));
return;
}
/// <summary>
/// Broadcast a unit of game data to all users.
/// </summary>
/// <param name="gameData">The unit of game data to broadcast.</param>
public void BroadCastGameData(GameData gameData)
{
foreach (ConnectionID connection in connections.Values)
{
SendGameData(gameData, connection);
}
return;
}