qdefs.h

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#ifndef QDEFS_H
#define QDEFS_H
 
#if defined (__GNUC__) || defined (__clang__) || defined (__TINYC__)
#define DP_GCC_COMPATIBLE
#endif
 
#if (__GNUC__ > 2) || defined (__clang__) || (__TINYC__)
#define DP_FUNC_PRINTF(n) __attribute__ ((format (printf, n, n+1)))
#define DP_FUNC_PURE      __attribute__ ((pure))
#define DP_FUNC_NORETURN  __attribute__ ((noreturn))
#define DP_FUNC_ALWAYS_INLINE inline __attribute__((always_inline))
#else
#define DP_FUNC_PRINTF(n)
#define DP_FUNC_PURE
#define DP_FUNC_NORETURN
# if defined (_MSC_VER)
# define DP_FUNC_ALWAYS_INLINE __forceinline
# else
# define DP_FUNC_ALWAYS_INLINE inline
# endif
#endif
 
#define MAX_NUM_ARGVS   50
 
#ifdef DP_SMALLMEMORY
#define MAX_INPUTLINE           1024
#define CON_TEXTSIZE            16384
#define CON_MAXLINES            256
#define HIST_TEXTSIZE           2048
#define HIST_MAXLINES           16
#define MAX_ALIAS_NAME          32
#define CMDBUFSIZE              131072
#define MAX_ARGS                80
 
#define NET_MAXMESSAGE          65536
#define MAX_PACKETFRAGMENT      1024
#define MAX_EDICTS              4096
#define MAX_MODELS              1024
#define MAX_SOUNDS              1024
#define MAX_LIGHTSTYLES         64
#define MAX_STYLESTRING         16
#define MAX_SCOREBOARD          32
#define MAX_SCOREBOARDNAME      128
#define MAX_USERINFO_STRING     196
#define MAX_SERVERINFO_STRING   512
#define MAX_LOCALINFO_STRING    1 // not actually used by DP servers
#define CL_MAX_USERCMDS         32
#define CVAR_HASHSIZE           1024
#define M_MAX_EDICTS            4096
#define MAX_DEMOS               8
#define MAX_DEMONAME            16
#define MAX_SAVEGAMES           12
#define SAVEGAME_COMMENT_LENGTH 39
#define MAX_CLIENTNETWORKEYES   2
#define MAX_LEVELNETWORKEYES    0 // no portal support
#define MAX_OCCLUSION_QUERIES   256
 
#define CRYPTO_HOSTKEY_HASHSIZE 256
#define MAX_NETWM_ICON 1026 // one 32x32
 
#define MAX_WATERPLANES         2
#define MAX_CUBEMAPS            1024
#define MAX_EXPLOSIONS          8
#define MAX_DLIGHTS             16
#define MAX_CACHED_PICS         2048 // this is 144 bytes each (or 152 on 64bit)
#define CACHEPICHASHSIZE        256
#define MAX_PARTICLEEFFECTNAME  256
#define MAX_PARTICLEEFFECTINFO  1024
#define MAX_PARTICLETEXTURES    256
#define MAXCLVIDEOS             1
#define MAX_DYNAMIC_TEXTURE_COUNT   2
//#define   MAX_MAP_LEAFS           8192
 
#define MAXTRACKS               256
#define MAX_DYNAMIC_CHANNELS    64
#define MAX_CHANNELS            260
#define MODLIST_TOTALSIZE       32
#define MAX_FAVORITESERVERS     32
#define MAX_DECALSYSTEM_QUEUE   64
#define PAINTBUFFER_SIZE        512
#define MAX_BINDMAPS            8
#define MAX_PARTICLES_INITIAL   8192
#define MAX_PARTICLES           8192
#define MAX_ENTITIES_INITIAL    256
#define MAX_STATICENTITIES      256
#define MAX_EFFECTS             16
#define MAX_BEAMS               16
#define MAX_TEMPENTITIES        256
#define SERVERLIST_TOTALSIZE        1024
#define SERVERLIST_ANDMASKCOUNT     5
#define SERVERLIST_ORMASKCOUNT      5
#else
#define MAX_INPUTLINE           16384 
#define CON_TEXTSIZE            1048576 
#define CON_MAXLINES            16384 
#define HIST_TEXTSIZE           262144 
#define HIST_MAXLINES           4096 
#define MAX_ALIAS_NAME          32
#define CMDBUFSIZE              655360 
#define MAX_ARGS                80 
 
#define NET_MAXMESSAGE          65536 
#define MAX_PACKETFRAGMENT      1024 
#define MAX_EDICTS              32768 
#define MAX_MODELS              8192 
#define MAX_SOUNDS              4096 
#define MAX_LIGHTSTYLES         256 
#define MAX_STYLESTRING         64 
#define MAX_SCOREBOARD          255 
#define MAX_SCOREBOARDNAME      128 
#define MAX_USERINFO_STRING     1280 
#define MAX_SERVERINFO_STRING   1280 
#define MAX_LOCALINFO_STRING    32768 
#define CL_MAX_USERCMDS         128 
#define CVAR_HASHSIZE           65536 
#define M_MAX_EDICTS            32768 
#define MAX_DEMOS               8 
#define MAX_DEMONAME            32 
#define MAX_SAVEGAMES           12 
#define SAVEGAME_COMMENT_LENGTH 39 
#define MAX_CLIENTNETWORKEYES   16 
#define MAX_LEVELNETWORKEYES    512 
#define MAX_OCCLUSION_QUERIES   4096 
 
#define CRYPTO_HOSTKEY_HASHSIZE 8192 
#define MAX_NETWM_ICON 352822 // 16x16, 22x22, 24x24, 32x32, 48x48, 64x64, 128x128, 256x256, 512x512
 
#define MAX_WATERPLANES         16 
#define MAX_CUBEMAPS            1024 
#define MAX_EXPLOSIONS          64 
#define MAX_DLIGHTS             256 
#define MAX_CACHED_PICS         2048 
#define CACHEPICHASHSIZE        256 
#define MAX_PARTICLEEFFECTNAME  4096 
#define MAX_PARTICLEEFFECTINFO  8192 
#define MAX_PARTICLETEXTURES    256 
#define MAXCLVIDEOS             65 
#define MAX_DYNAMIC_TEXTURE_COUNT   64 
//#define   MAX_MAP_LEAFS           65536 ///< maximum number of BSP leafs in world (8192 in Quake), now dynamically allocated
 
#define MAXTRACKS               256 
// 0 to NUM_AMBIENTS - 1 = water, etc
// NUM_AMBIENTS to NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS - 1 = normal entity sounds
// NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS to total_channels = static sounds
#define MAX_DYNAMIC_CHANNELS    512
#define MAX_CHANNELS            (8192 + 4)
#define MODLIST_TOTALSIZE       256
#define MAX_FAVORITESERVERS     256
#define MAX_DECALSYSTEM_QUEUE   1024
#define PAINTBUFFER_SIZE        2048
#define MAX_BINDMAPS            8
#define MAX_PARTICLES_INITIAL   8192 
#define MAX_PARTICLES           1048576 
#define MAX_ENTITIES_INITIAL        256 
#define MAX_STATICENTITIES      4096 
#define MAX_EFFECTS             256 
#define MAX_BEAMS               256 
#define MAX_TEMPENTITIES        4096 
#define SERVERLIST_TOTALSIZE        2048 
#define SERVERLIST_ANDMASKCOUNT     16 
#define SERVERLIST_ORMASKCOUNT      16 
#endif
 
 
#define CMD_TOKENIZELENGTH (MAX_INPUTLINE + MAX_ARGS) 
 
 
#define MAX_QPATH       128         
#ifdef PATH_MAX
#define MAX_OSPATH      PATH_MAX
#elif MAX_PATH
#define MAX_OSPATH      MAX_PATH
#else
#define MAX_OSPATH      1024        
#endif
 
#define ON_EPSILON      0.1         
 
#define NET_MINRATE     1000 
 
// In Quake, any char in 0..32 counts as whitespace
//#define ISWHITESPACE(ch) ((unsigned char) ch <= (unsigned char) ' ')
#define ISWHITESPACE(ch) (!(ch) || (ch) == ' ' || (ch) == '\t' || (ch) == '\r' || (ch) == '\n')
#define ISCOMMENT(ch, pos) ch[pos] == '/' && ch[pos + 1] == '/' && (pos == 0 || ISWHITESPACE(ch[pos - 1]))
// This also includes extended characters, and ALL control chars
#define ISWHITESPACEORCONTROL(ch) ((signed char) (ch) <= (signed char) ' ')
 
#define DOUBLE_IS_TRUE_FOR_INT(x) ((x) & 0x7FFFFFFFFFFFFFFF) // also match "negative zero" doubles of value 0x8000000000000000
#define DOUBLE_LOSSLESS_FORMAT "%.17g"
#define DOUBLE_VECTOR_LOSSLESS_FORMAT "%.17g %.17g %.17g"
 
#define FLOAT_IS_TRUE_FOR_INT(x) ((x) & 0x7FFFFFFF) // also match "negative zero" floats of value 0x80000000
#define FLOAT_LOSSLESS_FORMAT "%.9g"
#define FLOAT_VECTOR_LOSSLESS_FORMAT "%.9g %.9g %.9g"
 
// originally this was _MSC_VER
// but here we want to test the system libc, which on win32 is borked, and NOT the compiler
#ifdef WIN32
#define INT_LOSSLESS_FORMAT_SIZE "I64"
#define INT_LOSSLESS_FORMAT_CONVERT_S(x) ((__int64)(x))
#define INT_LOSSLESS_FORMAT_CONVERT_U(x) ((unsigned __int64)(x))
#else
#define INT_LOSSLESS_FORMAT_SIZE "j"
#define INT_LOSSLESS_FORMAT_CONVERT_S(x) ((intmax_t)(x))
#define INT_LOSSLESS_FORMAT_CONVERT_U(x) ((uintmax_t)(x))
#endif
 
// simple safe library to handle integer overflows when doing buffer size calculations
// Usage:
//   - calculate data size using INTOVERFLOW_??? macros
//   - compare: calculated-size <= INTOVERFLOW_NORMALIZE(buffersize)
// Functionality:
//   - all overflows (values > INTOVERFLOW_MAX) and errors are mapped to INTOVERFLOW_MAX
//   - if any input of an operation is INTOVERFLOW_MAX, INTOVERFLOW_MAX will be returned
//   - otherwise, regular arithmetics apply
 
#define INTOVERFLOW_MAX 2147483647
 
#define INTOVERFLOW_ADD(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (a) < INTOVERFLOW_MAX - (b)) ? ((a) + (b)) : INTOVERFLOW_MAX)
#define INTOVERFLOW_SUB(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (b) <= (a))                  ? ((a) - (b)) : INTOVERFLOW_MAX)
#define INTOVERFLOW_MUL(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (a) < INTOVERFLOW_MAX / (b)) ? ((a) * (b)) : INTOVERFLOW_MAX)
#define INTOVERFLOW_DIV(a,b) (((a) < INTOVERFLOW_MAX && (b) < INTOVERFLOW_MAX && (b) > 0)                     ? ((a) / (b)) : INTOVERFLOW_MAX)
 
#define INTOVERFLOW_NORMALIZE(a) (((a) < INTOVERFLOW_MAX) ? (a) : (INTOVERFLOW_MAX - 1))
 
#endif