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author | Bertram <yohanndotferreiraatorange.fr> | 2010-04-16 13:58:56 +0200 |
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committer | Bertram <yohanndotferreiraatorange.fr> | 2010-04-17 12:03:44 +0200 |
commit | 3ae525b05858af105cc7e3eb6ac7316fc2f5bbd5 (patch) | |
tree | 5737c40d37a7b87897b9dc9b422198b28a18b13a /src/net/tmwa/messageout.cpp | |
parent | 924760c45e0f1aa1105e192bd83d6a4ce2c80f81 (diff) | |
download | mana-client-3ae525b05858af105cc7e3eb6ac7316fc2f5bbd5.tar.gz mana-client-3ae525b05858af105cc7e3eb6ac7316fc2f5bbd5.tar.bz2 mana-client-3ae525b05858af105cc7e3eb6ac7316fc2f5bbd5.tar.xz mana-client-3ae525b05858af105cc7e3eb6ac7316fc2f5bbd5.zip |
Changed eAthena protocol name to TmwAthena and changed the config files accordingly.
This makes room for the actual eAthena protocol future inclusion.
Diffstat (limited to 'src/net/tmwa/messageout.cpp')
-rw-r--r-- | src/net/tmwa/messageout.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/net/tmwa/messageout.cpp b/src/net/tmwa/messageout.cpp new file mode 100644 index 00000000..8b407c47 --- /dev/null +++ b/src/net/tmwa/messageout.cpp @@ -0,0 +1,128 @@ +/* + * The Mana Client + * Copyright (C) 2004-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * + * This file is part of The Mana Client. + * + * This program 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. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "net/tmwa/messageout.h" + +#include "net/tmwa/network.h" + +#include <SDL.h> +#include <SDL_endian.h> + +#include <cstring> +#include <string> + +namespace TmwAthena { + +MessageOut::MessageOut(short id): + Net::MessageOut(id) +{ + mNetwork = TmwAthena::Network::instance(); + mData = mNetwork->mOutBuffer + mNetwork->mOutSize; + writeInt16(id); +} + +void MessageOut::expand(size_t bytes) +{ + mNetwork->mOutSize += bytes; +} + +void MessageOut::writeInt16(Sint16 value) +{ + expand(2); +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + Sint16 swap=SDL_Swap16(value); + memcpy(mData + mPos, &swap, sizeof(Sint16)); +#else + memcpy(mData + mPos, &value, sizeof(Sint16)); +#endif + mPos += 2; +} + +void MessageOut::writeInt32(Sint32 value) +{ + expand(4); +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + Sint32 swap=SDL_Swap32(value); + memcpy(mData + mPos, &swap, sizeof(Sint32)); +#else + memcpy(mData + mPos, &value, sizeof(Sint32)); +#endif + mPos += 4; +} + +#define LOBYTE(w) ((unsigned char)(w)) +#define HIBYTE(w) ((unsigned char)(((unsigned short)(w)) >> 8)) + +void MessageOut::writeCoordinates(unsigned short x, unsigned short y, + unsigned char direction) +{ + char *data = mData + mPos; + mNetwork->mOutSize += 3; + mPos += 3; + + short temp; + temp = x; + temp <<= 6; + data[0] = 0; + data[1] = 1; + data[2] = 2; + data[0] = HIBYTE(temp); + data[1] = (unsigned char) temp; + temp = y; + temp <<= 4; + data[1] |= HIBYTE(temp); + data[2] = LOBYTE(temp); + + // Translate direction to eAthena format + switch (direction) + { + case 1: + direction = 0; + break; + case 3: + direction = 1; + break; + case 2: + direction = 2; + break; + case 6: + direction = 3; + break; + case 4: + direction = 4; + break; + case 12: + direction = 5; + break; + case 8: + direction = 6; + break; + case 9: + direction = 7; + break; + default: + // OOPSIE! Impossible or unknown + direction = (unsigned char) -1; + } + data[2] |= direction; +} + +} // namespace TmwAthena |