diff options
Diffstat (limited to 'src/net/ea/messagein.cpp')
-rw-r--r-- | src/net/ea/messagein.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/net/ea/messagein.cpp b/src/net/ea/messagein.cpp new file mode 100644 index 00000000..0b1ab70a --- /dev/null +++ b/src/net/ea/messagein.cpp @@ -0,0 +1,70 @@ +/* + * The Mana World + * Copyright (C) 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "net/ea/messagein.h" + +#include <SDL.h> +#include <SDL_endian.h> + +#define MAKEWORD(low,high) \ + ((unsigned short)(((unsigned char)(low)) | \ + ((unsigned short)((unsigned char)(high))) << 8)) + +namespace EAthena { + +MessageIn::MessageIn(const char *data, unsigned int length): + Net::MessageIn(data, length) +{ + // Read the message ID + mId = readInt16(); +} + +int MessageIn::readInt16() +{ + int value = -1; + if (mPos + 2 <= mLength) + { +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + value = SDL_Swap16(*(Sint16*)(mData + mPos)); +#else + value = (*(Sint16*)(mData + mPos)); +#endif + } + mPos += 2; + return value; +} + +int MessageIn::readInt32() +{ + int value = -1; + if (mPos + 4 <= mLength) + { +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + value = SDL_Swap32(*(Sint32*)(mData + mPos)); +#else + value = (*(Sint32*)(mData + mPos)); +#endif + } + mPos += 4; + return value; +} + +} |