2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 /// MSVC has a different name for several standard functions
27 # define strcasecmp _stricmp
28 # define strncasecmp _strnicmp
33 // Create our own define for Mac OS X
34 #if defined(__APPLE__) && defined(__MACH__)
39 //============================================================================
41 typedef struct sizebuf_s
43 qboolean allowoverflow; ///< if false, do a Sys_Error
44 qboolean overflowed; ///< set to true if the buffer size failed
49 qboolean badread; // set if a read goes beyond end of message
52 void SZ_Clear (sizebuf_t *buf);
53 unsigned char *SZ_GetSpace (sizebuf_t *buf, int length);
54 void SZ_Write (sizebuf_t *buf, const unsigned char *data, int length);
55 void SZ_HexDumpToConsole(const sizebuf_t *buf);
57 void Com_HexDumpToConsole(const unsigned char *data, int size);
59 unsigned short CRC_Block(const unsigned char *data, size_t size);
60 unsigned short CRC_Block_CaseInsensitive(const unsigned char *data, size_t size); // for hash lookup functions that use strcasecmp for comparison
62 unsigned char COM_BlockSequenceCRCByteQW(unsigned char *base, int length, int sequence);
64 // these are actually md4sum (mdfour.c)
65 unsigned Com_BlockChecksum (void *buffer, int length);
66 void Com_BlockFullChecksum (void *buffer, int len, unsigned char *outbuf);
68 void COM_Init_Commands(void);
71 //============================================================================
73 //============================================================================
75 // check mem_bigendian if you need to know the system byte order
77 /*! \name Byte order functions.
81 // unaligned memory access crashes on some platform, so always read bytes...
82 #define BigShort(l) BuffBigShort((unsigned char *)&(l))
83 #define LittleShort(l) BuffLittleShort((unsigned char *)&(l))
84 #define BigLong(l) BuffBigLong((unsigned char *)&(l))
85 #define LittleLong(l) BuffLittleLong((unsigned char *)&(l))
86 #define BigFloat(l) BuffBigFloat((unsigned char *)&(l))
87 #define LittleFloat(l) BuffLittleFloat((unsigned char *)&(l))
89 /// Extract a big endian 32bit float from the given \p buffer.
90 float BuffBigFloat (const unsigned char *buffer);
92 /// Extract a big endian 32bit int from the given \p buffer.
93 int BuffBigLong (const unsigned char *buffer);
95 /// Extract a big endian 16bit short from the given \p buffer.
96 short BuffBigShort (const unsigned char *buffer);
98 /// Extract a little endian 32bit float from the given \p buffer.
99 float BuffLittleFloat (const unsigned char *buffer);
101 /// Extract a little endian 32bit int from the given \p buffer.
102 int BuffLittleLong (const unsigned char *buffer);
104 /// Extract a little endian 16bit short from the given \p buffer.
105 short BuffLittleShort (const unsigned char *buffer);
107 /// Encode a big endian 32bit int to the given \p buffer
108 void StoreBigLong (unsigned char *buffer, unsigned int i);
110 /// Encode a big endian 16bit int to the given \p buffer
111 void StoreBigShort (unsigned char *buffer, unsigned short i);
113 /// Encode a little endian 32bit int to the given \p buffer
114 void StoreLittleLong (unsigned char *buffer, unsigned int i);
116 /// Encode a little endian 16bit int to the given \p buffer
117 void StoreLittleShort (unsigned char *buffer, unsigned short i);
120 //============================================================================
122 // these versions are purely for internal use, never sent in network protocol
123 // (use Protocol_EnumForNumber and Protocol_NumberToEnum to convert)
124 typedef enum protocolversion_e
127 PROTOCOL_DARKPLACES7, ///< added QuakeWorld-style movement protocol to allow more consistent prediction
128 PROTOCOL_DARKPLACES6, ///< various changes
129 PROTOCOL_DARKPLACES5, ///< uses EntityFrame5 entity snapshot encoder/decoder which is based on a Tribes networking article at http://www.garagegames.com/articles/networking1/
130 PROTOCOL_DARKPLACES4, ///< various changes
131 PROTOCOL_DARKPLACES3, ///< uses EntityFrame4 entity snapshot encoder/decoder which is broken, this attempted to do partial snapshot updates on a QuakeWorld-like protocol, but it is broken and impossible to fix
132 PROTOCOL_DARKPLACES2, ///< various changes
133 PROTOCOL_DARKPLACES1, ///< uses EntityFrame entity snapshot encoder/decoder which is a QuakeWorld-like entity snapshot delta compression method
134 PROTOCOL_QUAKEDP, ///< darkplaces extended quake protocol (used by TomazQuake and others), backwards compatible as long as no extended features are used
135 PROTOCOL_NEHAHRAMOVIE, ///< Nehahra movie protocol, a big nasty hack dating back to early days of the Quake Standards Group (but only ever used by neh_gl.exe), this is potentially backwards compatible with quake protocol as long as no extended features are used (but in actuality the neh_gl.exe which wrote this protocol ALWAYS wrote the extended information)
136 PROTOCOL_QUAKE, ///< quake (aka netquake/normalquake/nq) protocol
137 PROTOCOL_QUAKEWORLD, ///< quakeworld protocol
138 PROTOCOL_NEHAHRABJP, ///< same as QUAKEDP but with 16bit modelindex
139 PROTOCOL_NEHAHRABJP2, ///< same as NEHAHRABJP but with 16bit soundindex
140 PROTOCOL_NEHAHRABJP3 ///< same as NEHAHRABJP2 but with some changes
144 /*! \name Message IO functions.
145 * Handles byte ordering and avoids alignment errors
149 void MSG_InitReadBuffer (sizebuf_t *buf, unsigned char *data, int size);
150 void MSG_WriteChar (sizebuf_t *sb, int c);
151 void MSG_WriteByte (sizebuf_t *sb, int c);
152 void MSG_WriteShort (sizebuf_t *sb, int c);
153 void MSG_WriteLong (sizebuf_t *sb, int c);
154 void MSG_WriteFloat (sizebuf_t *sb, vec_t f);
155 void MSG_WriteString (sizebuf_t *sb, const char *s);
156 void MSG_WriteUnterminatedString (sizebuf_t *sb, const char *s);
157 void MSG_WriteAngle8i (sizebuf_t *sb, vec_t f);
158 void MSG_WriteAngle16i (sizebuf_t *sb, vec_t f);
159 void MSG_WriteAngle32f (sizebuf_t *sb, vec_t f);
160 void MSG_WriteCoord13i (sizebuf_t *sb, vec_t f);
161 void MSG_WriteCoord16i (sizebuf_t *sb, vec_t f);
162 void MSG_WriteCoord32f (sizebuf_t *sb, vec_t f);
163 void MSG_WriteCoord (sizebuf_t *sb, vec_t f, protocolversion_t protocol);
164 void MSG_WriteVector (sizebuf_t *sb, const vec3_t v, protocolversion_t protocol);
165 void MSG_WriteAngle (sizebuf_t *sb, vec_t f, protocolversion_t protocol);
167 void MSG_BeginReading (sizebuf_t *sb);
168 int MSG_ReadLittleShort (sizebuf_t *sb);
169 int MSG_ReadBigShort (sizebuf_t *sb);
170 int MSG_ReadLittleLong (sizebuf_t *sb);
171 int MSG_ReadBigLong (sizebuf_t *sb);
172 float MSG_ReadLittleFloat (sizebuf_t *sb);
173 float MSG_ReadBigFloat (sizebuf_t *sb);
174 char *MSG_ReadString (sizebuf_t *sb, char *string, size_t maxstring);
175 int MSG_ReadBytes (sizebuf_t *sb, int numbytes, unsigned char *out);
177 #define MSG_ReadChar(sb) ((sb)->readcount >= (sb)->cursize ? ((sb)->badread = true, -1) : (signed char)(sb)->data[(sb)->readcount++])
178 #define MSG_ReadByte(sb) ((sb)->readcount >= (sb)->cursize ? ((sb)->badread = true, -1) : (unsigned char)(sb)->data[(sb)->readcount++])
179 #define MSG_ReadShort MSG_ReadLittleShort
180 #define MSG_ReadLong MSG_ReadLittleLong
181 #define MSG_ReadFloat MSG_ReadLittleFloat
183 float MSG_ReadAngle8i (sizebuf_t *sb);
184 float MSG_ReadAngle16i (sizebuf_t *sb);
185 float MSG_ReadAngle32f (sizebuf_t *sb);
186 float MSG_ReadCoord13i (sizebuf_t *sb);
187 float MSG_ReadCoord16i (sizebuf_t *sb);
188 float MSG_ReadCoord32f (sizebuf_t *sb);
189 float MSG_ReadCoord (sizebuf_t *sb, protocolversion_t protocol);
190 void MSG_ReadVector (sizebuf_t *sb, vec3_t v, protocolversion_t protocol);
191 float MSG_ReadAngle (sizebuf_t *sb, protocolversion_t protocol);
193 //============================================================================
195 typedef float (*COM_WordWidthFunc_t) (void *passthrough, const char *w, size_t *length, float maxWidth); // length is updated to the longest fitting string into maxWidth; if maxWidth < 0, all characters are used and length is used as is
196 typedef int (*COM_LineProcessorFunc) (void *passthrough, const char *line, size_t length, float width, qboolean isContination);
197 int COM_Wordwrap(const char *string, size_t length, float continuationSize, float maxWidth, COM_WordWidthFunc_t wordWidth, void *passthroughCW, COM_LineProcessorFunc processLine, void *passthroughPL);
199 extern char com_token[MAX_INPUTLINE];
201 int COM_ParseToken_Simple(const char **datapointer, qboolean returnnewline, qboolean parsebackslash, qboolean parsecomments);
202 int COM_ParseToken_QuakeC(const char **datapointer, qboolean returnnewline);
203 int COM_ParseToken_VM_Tokenize(const char **datapointer, qboolean returnnewline);
204 int COM_ParseToken_Console(const char **datapointer);
206 int COM_CheckParm (const char *parm);
207 void COM_Init (void);
208 void COM_Shutdown (void);
209 void COM_InitGameType (void);
211 char *va(char *buf, size_t buflen, const char *format, ...) DP_FUNC_PRINTF(3);
212 // does a varargs printf into provided buffer, returns buffer (so it can be called in-line unlike dpsnprintf)
215 // snprintf and vsnprintf are NOT portable. Use their DP counterparts instead
219 #define snprintf DO_NOT_USE_SNPRINTF__USE_DPSNPRINTF
223 #define vsnprintf DO_NOT_USE_VSNPRINTF__USE_DPVSNPRINTF
225 // dpsnprintf and dpvsnprintf
226 // return the number of printed characters, excluding the final '\0'
227 // or return -1 if the buffer isn't big enough to contain the entire string.
228 // buffer is ALWAYS null-terminated
229 extern int dpsnprintf (char *buffer, size_t buffersize, const char *format, ...) DP_FUNC_PRINTF(3);
230 extern int dpvsnprintf (char *buffer, size_t buffersize, const char *format, va_list args);
232 // A bunch of functions are forbidden for security reasons (and also to please MSVS 2005, for some of them)
233 // LadyHavoc: added #undef lines here to avoid warnings in Linux
235 #define strcat DO_NOT_USE_STRCAT__USE_STRLCAT_OR_MEMCPY
237 #define strncat DO_NOT_USE_STRNCAT__USE_STRLCAT_OR_MEMCPY
239 #define strcpy DO_NOT_USE_STRCPY__USE_STRLCPY_OR_MEMCPY
241 #define strncpy DO_NOT_USE_STRNCPY__USE_STRLCPY_OR_MEMCPY
243 //#define sprintf DO_NOT_USE_SPRINTF__USE_DPSNPRINTF
246 //============================================================================
248 extern struct cvar_s registered;
249 extern struct cvar_s cmdline;
251 typedef enum userdirmode_e
253 USERDIRMODE_NOHOME, // basedir only
254 USERDIRMODE_HOME, // Windows basedir, general POSIX (~/.)
255 USERDIRMODE_MYGAMES, // pre-Vista (My Documents/My Games/), general POSIX (~/.)
256 USERDIRMODE_SAVEDGAMES, // Vista (%USERPROFILE%/Saved Games/), OSX (~/Library/Application Support/), Linux (~/.config)
261 typedef enum gamemode_e
276 GAME_TENEBRAE, // full of evil hackery
278 GAME_OPENQUARTZ, //this game sucks
282 GAME_DEFEATINDETAIL2,
284 GAME_CONTAGIONTHEORY,
288 GAME_STEELSTORM, // added by motorsep
289 GAME_STEELSTORM2, // added by motorsep
290 GAME_SSAMMO, // added by motorsep
291 GAME_STEELSTORMREVENANTS, // added by motorsep 07/19/2015
292 GAME_TOMESOFMEPHISTOPHELES, // added by motorsep
293 GAME_STRAPBOMB, // added by motorsep for Urre
296 GAME_DOOMBRINGER, // added by Cloudwalk for kristus
301 // Master switch for some hacks/changes that eventually should become cvars.
302 #define IS_NEXUIZ_DERIVED(g) ((g) == GAME_NEXUIZ || (g) == GAME_XONOTIC || (g) == GAME_VORETOURNAMENT)
303 // Pre-csqcmodels era.
304 #define IS_OLDNEXUIZ_DERIVED(g) ((g) == GAME_NEXUIZ || (g) == GAME_VORETOURNAMENT)
306 extern gamemode_t gamemode;
307 extern const char *gamename;
308 extern const char *gamenetworkfiltername;
309 extern const char *gamedirname1;
310 extern const char *gamedirname2;
311 extern const char *gamescreenshotname;
312 extern const char *gameuserdirname;
313 extern char com_modname[MAX_OSPATH];
315 void COM_ChangeGameTypeForGameDirs(void);
317 void COM_ToLowerString (const char *in, char *out, size_t size_out);
318 void COM_ToUpperString (const char *in, char *out, size_t size_out);
319 int COM_StringBeginsWith(const char *s, const char *match);
321 int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize, const char *commentprefix);
323 size_t COM_StringLengthNoColors(const char *s, size_t size_s, qboolean *valid);
324 qboolean COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, qboolean escape_carets);
325 void COM_ToLowerString (const char *in, char *out, size_t size_out);
326 void COM_ToUpperString (const char *in, char *out, size_t size_out);
328 typedef struct stringlist_s
330 /// maxstrings changes as needed, causing reallocation of strings[] array
336 int matchpattern(const char *in, const char *pattern, int caseinsensitive);
337 int matchpattern_with_separator(const char *in, const char *pattern, int caseinsensitive, const char *separators, qboolean wildcard_least_one);
338 void stringlistinit(stringlist_t *list);
339 void stringlistfreecontents(stringlist_t *list);
340 void stringlistappend(stringlist_t *list, const char *text);
341 void stringlistsort(stringlist_t *list, qboolean uniq);
342 void listdirectory(stringlist_t *list, const char *basepath, const char *path);
344 char *InfoString_GetValue(const char *buffer, const char *key, char *value, size_t valuelength);
345 void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, const char *value);
346 void InfoString_Print(char *buffer);
348 // strlcat and strlcpy, from OpenBSD
349 // Most (all?) BSDs already have them
350 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(MACOSX)
351 # define HAVE_STRLCAT 1
352 # define HAVE_STRLCPY 1
357 * Appends src to string dst of size siz (unlike strncat, siz is the
358 * full size of dst, not space left). At most siz-1 characters
359 * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
360 * Returns strlen(src) + MIN(siz, strlen(initial dst)).
361 * If retval >= siz, truncation occurred.
363 size_t strlcat(char *dst, const char *src, size_t siz);
364 #endif // #ifndef HAVE_STRLCAT
368 * Copy src to string dst of size siz. At most siz-1 characters
369 * will be copied. Always NUL terminates (unless siz == 0).
370 * Returns strlen(src); if retval >= siz, truncation occurred.
372 size_t strlcpy(char *dst, const char *src, size_t siz);
374 #endif // #ifndef HAVE_STRLCPY
376 void FindFraction(double val, int *num, int *denom, int denomMax);
378 // decodes XPM file to XPM array (as if #include'd)
379 char **XPM_DecodeString(const char *in);
381 size_t base64_encode(unsigned char *buf, size_t buflen, size_t outbuflen);
383 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))