/* Copyright (C) 1996-1997 Id Software, Inc. 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 (at your option) 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. */ #ifndef COMMON_H #define COMMON_H // MSVC has a different name for several standard functions #ifdef WIN32 # define snprintf _snprintf # define vsnprintf _vsnprintf # define strcasecmp stricmp # define strncasecmp strnicmp #endif //============================================================================ typedef struct sizebuf_s { qboolean allowoverflow; // if false, do a Sys_Error qboolean overflowed; // set to true if the buffer size failed qbyte *data; mempool_t *mempool; int maxsize; int cursize; } sizebuf_t; void SZ_Alloc (sizebuf_t *buf, int startsize, const char *name); void SZ_Free (sizebuf_t *buf); void SZ_Clear (sizebuf_t *buf); void *SZ_GetSpace (sizebuf_t *buf, int length); void SZ_Write (sizebuf_t *buf, const void *data, int length); void SZ_Print(sizebuf_t *buf, const char *data); // strcats onto the sizebuf void SZ_HexDumpToConsole(const sizebuf_t *buf); void Com_HexDumpToConsole(const qbyte *data, int size); //============================================================================ // Endianess handling //============================================================================ // We use BSD-style defines: BYTE_ORDER is defined to either BIG_ENDIAN or LITTLE_ENDIAN // Initializations #if !defined(BYTE_ORDER) || !defined(LITTLE_ENDIAN) || !defined(BIG_ENDIAN) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN) # undef BYTE_ORDER # undef LITTLE_ENDIAN # undef BIG_ENDIAN # define LITTLE_ENDIAN 1234 # define BIG_ENDIAN 4321 #endif // If we still don't know the CPU endianess at this point, we try to guess #ifndef BYTE_ORDER # if defined(WIN32) # define BYTE_ORDER LITTLE_ENDIAN # else # warning "Unable to determine the CPU endianess. Defaulting to little endian" # define BYTE_ORDER LITTLE_ENDIAN # endif #endif short ShortSwap (short l); int LongSwap (int l); float FloatSwap (float f); #if BYTE_ORDER == LITTLE_ENDIAN // little endian #define BigShort(l) ShortSwap(l) #define LittleShort(l) (l) #define BigLong(l) LongSwap(l) #define LittleLong(l) (l) #define BigFloat(l) FloatSwap(l) #define LittleFloat(l) (l) #else // big endian #define BigShort(l) (l) #define LittleShort(l) ShortSwap(l) #define BigLong(l) (l) #define LittleLong(l) LongSwap(l) #define BigFloat(l) (l) #define LittleFloat(l) FloatSwap(l) #endif unsigned int BuffBigLong (const qbyte *buffer); unsigned short BuffBigShort (const qbyte *buffer); unsigned int BuffLittleLong (const qbyte *buffer); unsigned short BuffLittleShort (const qbyte *buffer); //============================================================================ void MSG_WriteChar (sizebuf_t *sb, int c); void MSG_WriteByte (sizebuf_t *sb, int c); void MSG_WriteShort (sizebuf_t *sb, int c); void MSG_WriteLong (sizebuf_t *sb, int c); void MSG_WriteFloat (sizebuf_t *sb, float f); void MSG_WriteString (sizebuf_t *sb, const char *s); void MSG_WriteAngle8i (sizebuf_t *sb, float f); void MSG_WriteAngle16i (sizebuf_t *sb, float f); void MSG_WriteAngle32f (sizebuf_t *sb, float f); void MSG_WriteCoord13i (sizebuf_t *sb, float f); void MSG_WriteCoord16i (sizebuf_t *sb, float f); void MSG_WriteCoord32f (sizebuf_t *sb, float f); void MSG_WriteCoord (sizebuf_t *sb, float f, int protocol); void MSG_WriteVector (sizebuf_t *sb, float *v, int protocol); void MSG_WriteAngle (sizebuf_t *sb, float f, int protocol); extern int msg_readcount; extern qboolean msg_badread; // set if a read goes beyond end of message void MSG_BeginReading (void); int MSG_ReadLittleShort (void); int MSG_ReadBigShort (void); int MSG_ReadLittleLong (void); int MSG_ReadBigLong (void); float MSG_ReadLittleFloat (void); float MSG_ReadBigFloat (void); char *MSG_ReadString (void); int MSG_ReadBytes (int numbytes, unsigned char *out); #define MSG_ReadChar() (msg_readcount >= net_message.cursize ? (msg_badread = true, -1) : (signed char)net_message.data[msg_readcount++]) #define MSG_ReadByte() (msg_readcount >= net_message.cursize ? (msg_badread = true, -1) : (unsigned char)net_message.data[msg_readcount++]) #define MSG_ReadShort MSG_ReadLittleShort #define MSG_ReadLong MSG_ReadLittleLong #define MSG_ReadFloat MSG_ReadLittleFloat float MSG_ReadAngle8i (void); float MSG_ReadAngle16i (void); float MSG_ReadAngle32f (void); float MSG_ReadCoord13i (void); float MSG_ReadCoord16i (void); float MSG_ReadCoord32f (void); float MSG_ReadCoord (int protocol); void MSG_ReadVector (float *v, int protocol); float MSG_ReadAngle (int protocol); //============================================================================ extern char com_token[1024]; int COM_ParseToken(const char **datapointer, int returnnewline); int COM_ParseTokenConsole(const char **datapointer); extern int com_argc; extern const char **com_argv; int COM_CheckParm (const char *parm); void COM_Init (void); void COM_InitArgv (void); void COM_InitGameType (void); char *va(const char *format, ...); // does a varargs printf into a temp buffer //============================================================================ extern struct cvar_s registered; extern struct cvar_s cmdline; #define GAME_NORMAL 0 #define GAME_HIPNOTIC 1 #define GAME_ROGUE 2 #define GAME_NEHAHRA 3 #define GAME_NEXUIZ 4 #define GAME_TRANSFUSION 5 #define GAME_GOODVSBAD2 6 #define GAME_TEU 7 #define GAME_BATTLEMECH 8 #define GAME_ZYMOTIC 9 #define GAME_FNIGGIUM 10 #define GAME_SETHERAL 11 #define GAME_SOM 12 #define GAME_TENEBRAE 13 // full of evil hackery #define GAME_NEOTERIC 14 #define GAME_OPENQUARTZ 15 //this game sucks #define GAME_PRYDON 16 #define GAME_NETHERWORLD 17 extern int gamemode; extern const char *gamename; extern const char *gamedirname; extern const char *gamescreenshotname; extern char com_modname[MAX_OSPATH]; void COM_ToLowerString (const char *in, char *out, size_t size_out); void COM_ToUpperString (const char *in, char *out, size_t size_out); int COM_StringBeginsWith(const char *s, const char *match); int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize, const char *commentprefix); typedef struct stringlist_s { struct stringlist_s *next; char *text; } stringlist_t; int matchpattern(char *in, char *pattern, int caseinsensitive); stringlist_t *stringlistappend(stringlist_t *current, char *text); void stringlistfree(stringlist_t *current); stringlist_t *stringlistsort(stringlist_t *start); stringlist_t *listdirectory(char *path); void freedirectory(stringlist_t *list); char *SearchInfostring(const char *infostring, const char *key); // strlcat and strlcpy, from OpenBSD // Most (all?) BSDs already have them #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || (defined(__APPLE__) && defined(__MACH__)) # define HAVE_STRLCAT 1 # define HAVE_STRLCPY 1 #endif #ifndef HAVE_STRLCAT /* * Appends src to string dst of size siz (unlike strncat, siz is the * full size of dst, not space left). At most siz-1 characters * will be copied. Always NUL terminates (unless siz <= strlen(dst)). * Returns strlen(src) + MIN(siz, strlen(initial dst)). * If retval >= siz, truncation occurred. */ size_t strlcat(char *dst, const char *src, size_t siz); #endif // #ifndef HAVE_STRLCAT #ifndef HAVE_STRLCPY /* * Copy src to string dst of size siz. At most siz-1 characters * will be copied. Always NUL terminates (unless siz == 0). * Returns strlen(src); if retval >= siz, truncation occurred. */ size_t strlcpy(char *dst, const char *src, size_t siz); #endif // #ifndef HAVE_STRLCPY #endif