diff options
Diffstat (limited to 'net/messageout.cpp')
-rw-r--r-- | net/messageout.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/net/messageout.cpp b/net/messageout.cpp new file mode 100644 index 0000000..b6a826c --- /dev/null +++ b/net/messageout.cpp @@ -0,0 +1,116 @@ +/* + * The Mana World + * Copyright 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * The Mana World is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: messageout.cpp 2112 2006-01-22 13:31:13Z der_doener $ + */ + +#include "messageout.h" + +#include <string> +#include <SDL.h> +#include <SDL_endian.h> + +#include "network.h" +#include "packet.h" + +MessageOut::MessageOut(Network *network): + mNetwork(network), + mData(0), + mDataSize(0), + mPos(0) +{ + mData = mNetwork->mOutBuffer + mNetwork->mOutSize; +} + +void MessageOut::writeInt8(Sint8 value) +{ + mData[mPos] = value; + mPos += sizeof(Sint8); + mNetwork->mOutSize+= sizeof(Sint8); +} + +void MessageOut::writeInt16(Sint16 value) +{ +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + (*(Sint16 *)(mData + mPos)) = SDL_Swap16(value); +#else + (*(Sint16 *)(mData + mPos)) = value; +#endif + mPos += sizeof(Sint16); + mNetwork->mOutSize += sizeof(Sint16); +} + +void MessageOut::writeInt32(Sint32 value) +{ +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + (*(Sint32 *)(mData + mPos)) = SDL_Swap32(value); +#else + (*(Sint32 *)(mData + mPos)) = value; +#endif + mPos += sizeof(Sint32); + mNetwork->mOutSize += sizeof(Sint32); +} + +void MessageOut::writeString(const std::string &string, int length) +{ + std::string toWrite = string; + + if (length < 0) + { + // Write the length at the start if not fixed + writeInt16(string.length()); + } + else + { + // Make sure the length of the string is no longer than specified + toWrite = string.substr(0, length); + } + + // Write the actual string + memcpy(&mData[mPos], (void*)toWrite.c_str(), toWrite.length()); + mPos += toWrite.length(); + mNetwork->mOutSize += toWrite.length(); + + // Pad remaining space with zeros + if (length > (int)toWrite.length()) + { + memset(&mData[mPos], '\0', length - toWrite.length()); + mPos += length - toWrite.length(); + mNetwork->mOutSize += length - toWrite.length(); + } +} + +MessageOut& operator<<(MessageOut &msg, const Sint8 &rhs) +{ + msg.writeInt8(rhs); + return msg; +} + +MessageOut& operator<<(MessageOut &msg, const Sint16 &rhs) +{ + msg.writeInt16(rhs); + return msg; +} + +MessageOut& operator<<(MessageOut &msg, const Sint32 &rhs) +{ + msg.writeInt32(rhs); + return msg; +} |