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Diffstat (limited to 'src/net/messageout.cpp')
-rw-r--r-- | src/net/messageout.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/net/messageout.cpp b/src/net/messageout.cpp new file mode 100644 index 00000000..871ba43a --- /dev/null +++ b/src/net/messageout.cpp @@ -0,0 +1,130 @@ +/* + * 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 + * + * $Id$ + */ + +#include "messageout.h" + +#include <iostream> +#include <SDL_net.h> + +#include "network.h" + +MessageOut::MessageOut(): + mPacket(0), + mData(0), + mDataSize(0), + mPos(0) +{ + // TODO: data not to be already allocated, keep it this way unitl full + // conversion + mData = out; +} + +MessageOut::~MessageOut() +{ + if (mPacket) { + delete mPacket; + } + + // Don't free this data for now, see above. + //if (mData) { + // free(mData); + //} +} + +void MessageOut::expand(size_t bytes) +{ + mData = (char*)realloc(mData, bytes); + mDataSize = bytes; +} + +void MessageOut::writeByte(char value) +{ + expand(mPos + sizeof(char)); + mData[mPos] = value; + mPos += sizeof(char); +} + +void MessageOut::writeShort(short value) +{ + expand(mPos + sizeof(short)); +#ifdef MACOSX + (*(short *)(mData + mPos)) = DR_SwapTwoBytes(value); +#else + (*(short *)(mData + mPos)) = value; +#endif + //SDLNet_Write16(value, &mData[mPos]); + mPos += sizeof(short); +} + +void MessageOut::writeLong(long value) +{ + expand(mPos + sizeof(long)); +#ifdef MACOSX + (*(long *)(mData + mPos)) = DR_SwapFourBytes(value); +#else + (*(long *)(mData + mPos)) = value; +#endif + //SDLNet_Write32(value, &mData[mPos]); + mPos += sizeof(long); +} + +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 + writeShort(string.length()); + toWrite = string; + + expand(mPos + string.length()); + } + else + { + // Make sure the length of the string is no longer than specified + toWrite = string.substr(0, length); + expand(mPos + length); + } + + // Write the actual string + memcpy(&mData[mPos], (void*)toWrite.c_str(), toWrite.length()); + mPos += toWrite.length(); + + // Pad remaining space with zeros + if (length > (int)toWrite.length()) + { + memset(&mData[mPos], '\0', length - toWrite.length()); + mPos += length - toWrite.length(); + } +} + +const Packet *MessageOut::getPacket() +{ + if (!mPacket) + { + mPacket = new Packet(mData, mDataSize); + } + + return mPacket; +} |