public static Response parseGameAction(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
Int32 timeStep = msg.popInt();
Int16 playerId = msg.popShort();
Int32 xPos = msg.popInt();
Int32 yPos = msg.popInt();
switch (action)
{
case Constants.POINTER_LOCATION:
return new PointerLocationResponse(timeStep, playerId, xPos, yPos);
case Constants.SELECTED_CASTLE:
return new SelectedCastleResponse(timeStep, playerId, xPos, yPos);
case Constants.PLACED_CANNON:
return new PlacedCannonResponse(timeStep, playerId, xPos, yPos);
case Constants.FIRED_CANNON:
return new FiredCannonResponse(timeStep, playerId, xPos, yPos);
case Constants.ROTATED_WALL:
return new RotatedWallResponse(timeStep, playerId, xPos, yPos);
case Constants.PLACED_WALL:
return new PlacedWallResponse(timeStep, playerId, xPos, yPos);
default:
return null;
}
}
public static Response parseEndGame(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
Int16 winnerID = msg.popShort();
return new EndGameResponse(winnerID);
}
public static Response parseAuthAction(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
Int16 result = msg.popShort();
return new LoginResponse(result);
}
public static Response parseDenyJoinRoom(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
string roomName = msg.popString();
return new RoomNotJoinedResponse(roomName);
}
public byte[] makeDisconnectMessage(out int length, string username)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(Constants.DISCONNECT)
.writeSize();
length = msg.getPos();
return msg.getData();
}
public static Response parseCreateRoom(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
Int16 result = msg.popShort();
string roomName = msg.popString();
return new RoomCreatedResponse(result, roomName);
}
public byte[] makeGetAvailableRoomsMessage(out int length, string username)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(Constants.GET_AVAILABLE_ROOMS)
.pushString(username)
.writeSize();
length = msg.getPos();
return msg.getData();
}
public byte[] makeEndGameMessage(out int length, short player_id, short winner_id)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(Constants.END_GAME)
.pushShort(player_id)
.pushShort(winner_id)
.writeSize();
length = msg.getPos();
return msg.getData();
}
public byte[] makeAuthorizationMessage(out int length, string username, string password)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(Constants.CLIENT_AUTH)
.pushString(username)
.pushString(password)
.writeSize();
length = msg.getPos();
return msg.getData();
}
public byte[] makeCreateRoomMessage(out int length, string username, string roomname, Int16 capacity)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(Constants.CREATE_ROOM)
.pushShort(capacity)
.pushString(username)
.pushString(roomname)
.writeSize();
length = msg.getPos();
return msg.getData();
}
public static Response parseAllowJoinRoom(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
Int16 numPlayers = msg.popShort();
string roomName = msg.popString();
List<string> playerNames = new List<string>(numPlayers);
for (int i = 0; i < numPlayers; i++)
playerNames.Add(msg.popString());
return new RoomJoinedResponse(roomName, playerNames, numPlayers);
}
public byte[] makeGameActionMessage(out int length, Int16 action, Int32 timeStep, Int16 playerId, Int32 xPos, Int32 yPos)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(action)
.pushInt(timeStep)
.pushShort(playerId)
.pushInt(xPos)
.pushInt(yPos)
.writeSize();
length = msg.getPos();
return msg.getData();
}
public byte[] makeStartGameMessage(out int length, string username, string map)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(Constants.START_GAME)
.pushString(username)
.pushString(map)
.writeSize();
length = msg.getPos();
return msg.getData();
}
public static Response parseStartGame(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
Int16 numPlayers = msg.popShort();
List<Int16> playerIds = new List<Int16>(numPlayers);
for (int i = 0; i < numPlayers; i++)
playerIds.Add(msg.popShort());
List<string> playerNames = new List<string>(numPlayers);
for (int i = 0; i < numPlayers; i++)
playerNames.Add(msg.popString());
string map = msg.popString();
return new StartGameResponse(playerNames, map);
}
public static Response parseSendAvailableRooms(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
Int16 numRooms = msg.popShort();
List<string> roomNames = new List<string>(numRooms);
for (int i = 0; i < numRooms; i++)
roomNames.Add(msg.popString());
List<Room> rooms = new List<Room>(numRooms);
for (int i = 0; i < numRooms; i++)
rooms.Add(new Room(roomNames[i], 2));
return new RoomsAvailableResponse(rooms);
}
public static Response parseLeaveRoom(MessageBuffer msg)
{
msg.reset();
Int32 size = msg.popInt();
Int16 action = msg.popShort();
string userName = msg.popString();
string roomName = msg.popString();
return new PlayerLeftRoomResponse(userName, roomName);
}
public byte[] makeJoinRoomMessage(out int length, string username, string roomname)
{
MessageBuffer msg = new MessageBuffer();
msg.pushInt(0)
.pushShort(Constants.JOIN_ROOM)
.pushString(username)
.pushString(roomname)
.writeSize();
length = msg.getPos();
return msg.getData();
}
/**
* @brief Parse the given packet, transforming it into an instance of the appropriate Response-derived class
* @param packet the entire packet buffer, including the header consisting of the size and action
* @return Response represetnting response to message parsed.
*/
public static Response parsePacket(byte[] packet)
{
MessageBuffer msg = new MessageBuffer(packet);
Response resp = null;
Int32 size = msg.popInt();
Int16 action = msg.popShort();
switch (action)
{
case Constants.SERVER_AUTH_ACTION:
resp = parseAuthAction(msg);
break;
case Constants.SERVER_SEND_AVAILABLE_ROOMS_ACTION:
resp = parseSendAvailableRooms(msg);
break;
case Constants.SERVER_CREATE_ROOM_ACTION:
resp = parseCreateRoom(msg);
break;
case Constants.SERVER_ALLOW_JOIN_ROOM_ACTION:
resp = parseAllowJoinRoom(msg);
break;
case Constants.SERVER_DENY_JOIN_ROOM_ACTION:
resp = parseDenyJoinRoom(msg);
break;
case Constants.SERVER_PLAYER_JOINED_ROOM_ACTION:
resp = parsePlayerJoinedRoom(msg);
break;
case Constants.SERVER_LEAVE_ROOM_ACTION:
resp = parseLeaveRoom(msg);
break;
case Constants.SERVER_OWNER_LEFT_ROOM_ACTION:
resp = parseOwnerLeftRoom(msg);
break;
case Constants.SERVER_START_GAME_ACTION:
resp = parseStartGame(msg);
break;
case Constants.END_GAME:
resp = parseEndGame(msg);
break;
case Constants.POINTER_LOCATION:
resp = parseGameAction(msg);
break;
case Constants.SELECTED_CASTLE:
resp = parseGameAction(msg);
break;
case Constants.PLACED_CANNON:
resp = parseGameAction(msg);
break;
case Constants.FIRED_CANNON:
resp = parseGameAction(msg);
break;
case Constants.ROTATED_WALL:
resp = parseGameAction(msg);
break;
case Constants.PLACED_WALL:
resp = parseGameAction(msg);
break;
default:
resp = null;
break;
}
return resp;
}
