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
31 // Create our own define for Mac OS X
32 #if defined(__APPLE__) && defined(__MACH__)
37 //============================================================================
39 typedef struct sizebuf_s
41 qboolean allowoverflow; // if false, do a Sys_Error
42 qboolean overflowed; // set to true if the buffer size failed
49 void SZ_Alloc (sizebuf_t *buf, int startsize, const char *name);
50 void SZ_Free (sizebuf_t *buf);
51 void SZ_Clear (sizebuf_t *buf);
52 void *SZ_GetSpace (sizebuf_t *buf, int length);
53 void SZ_Write (sizebuf_t *buf, const void *data, int length);
54 void SZ_Print(sizebuf_t *buf, const char *data); // strcats onto the sizebuf
55 void SZ_HexDumpToConsole(const sizebuf_t *buf);
57 void Com_HexDumpToConsole(const qbyte *data, int size);
59 unsigned short CRC_Block(qbyte *data, int size);
62 //============================================================================
64 //============================================================================
66 // We use BSD-style defines: BYTE_ORDER is defined to either BIG_ENDIAN or LITTLE_ENDIAN
69 #if !defined(BYTE_ORDER) || !defined(LITTLE_ENDIAN) || !defined(BIG_ENDIAN) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN)
73 # define LITTLE_ENDIAN 1234
74 # define BIG_ENDIAN 4321
77 // If we still don't know the CPU endianess at this point, we try to guess
80 # define BYTE_ORDER LITTLE_ENDIAN
82 # warning "Unable to determine the CPU endianess. Defaulting to little endian"
83 # define BYTE_ORDER LITTLE_ENDIAN
88 short ShortSwap (short l);
90 float FloatSwap (float f);
92 #if BYTE_ORDER == LITTLE_ENDIAN
94 #define BigShort(l) ShortSwap(l)
95 #define LittleShort(l) (l)
96 #define BigLong(l) LongSwap(l)
97 #define LittleLong(l) (l)
98 #define BigFloat(l) FloatSwap(l)
99 #define LittleFloat(l) (l)
102 #define BigShort(l) (l)
103 #define LittleShort(l) ShortSwap(l)
104 #define BigLong(l) (l)
105 #define LittleLong(l) LongSwap(l)
106 #define BigFloat(l) (l)
107 #define LittleFloat(l) FloatSwap(l)
110 unsigned int BuffBigLong (const qbyte *buffer);
111 unsigned short BuffBigShort (const qbyte *buffer);
112 unsigned int BuffLittleLong (const qbyte *buffer);
113 unsigned short BuffLittleShort (const qbyte *buffer);
116 //============================================================================
118 void MSG_WriteChar (sizebuf_t *sb, int c);
119 void MSG_WriteByte (sizebuf_t *sb, int c);
120 void MSG_WriteShort (sizebuf_t *sb, int c);
121 void MSG_WriteLong (sizebuf_t *sb, int c);
122 void MSG_WriteFloat (sizebuf_t *sb, float f);
123 void MSG_WriteString (sizebuf_t *sb, const char *s);
124 void MSG_WriteAngle8i (sizebuf_t *sb, float f);
125 void MSG_WriteAngle16i (sizebuf_t *sb, float f);
126 void MSG_WriteAngle32f (sizebuf_t *sb, float f);
127 void MSG_WriteCoord13i (sizebuf_t *sb, float f);
128 void MSG_WriteCoord16i (sizebuf_t *sb, float f);
129 void MSG_WriteCoord32f (sizebuf_t *sb, float f);
130 void MSG_WriteCoord (sizebuf_t *sb, float f, int protocol);
131 void MSG_WriteVector (sizebuf_t *sb, float *v, int protocol);
132 void MSG_WriteAngle (sizebuf_t *sb, float f, int protocol);
134 extern int msg_readcount;
135 extern qboolean msg_badread; // set if a read goes beyond end of message
137 void MSG_BeginReading (void);
138 int MSG_ReadLittleShort (void);
139 int MSG_ReadBigShort (void);
140 int MSG_ReadLittleLong (void);
141 int MSG_ReadBigLong (void);
142 float MSG_ReadLittleFloat (void);
143 float MSG_ReadBigFloat (void);
144 char *MSG_ReadString (void);
145 int MSG_ReadBytes (int numbytes, unsigned char *out);
147 #define MSG_ReadChar() (msg_readcount >= net_message.cursize ? (msg_badread = true, -1) : (signed char)net_message.data[msg_readcount++])
148 #define MSG_ReadByte() (msg_readcount >= net_message.cursize ? (msg_badread = true, -1) : (unsigned char)net_message.data[msg_readcount++])
149 #define MSG_ReadShort MSG_ReadLittleShort
150 #define MSG_ReadLong MSG_ReadLittleLong
151 #define MSG_ReadFloat MSG_ReadLittleFloat
153 float MSG_ReadAngle8i (void);
154 float MSG_ReadAngle16i (void);
155 float MSG_ReadAngle32f (void);
156 float MSG_ReadCoord13i (void);
157 float MSG_ReadCoord16i (void);
158 float MSG_ReadCoord32f (void);
159 float MSG_ReadCoord (int protocol);
160 void MSG_ReadVector (float *v, int protocol);
161 float MSG_ReadAngle (int protocol);
163 //============================================================================
165 extern char com_token[1024];
167 int COM_ParseToken(const char **datapointer, int returnnewline);
168 int COM_ParseTokenConsole(const char **datapointer);
171 extern const char **com_argv;
173 int COM_CheckParm (const char *parm);
174 void COM_Init (void);
175 void COM_Shutdown (void);
176 void COM_InitArgv (void);
177 void COM_InitGameType (void);
179 char *va(const char *format, ...);
180 // does a varargs printf into a temp buffer
183 // snprintf and vsnprintf are NOT portable. Use their DP counterparts instead
184 #define snprintf DO_NOT_USE_SNPRINTF__USE_DPSNPRINTF
185 #define vsnprintf DO_NOT_USE_VSNPRINTF__USE_DPVSNPRINTF
187 // dpsnprintf and dpvsnprintf
188 // return the number of printed characters, excluding the final '\0'
189 // or return -1 if the buffer isn't big enough to contain the entire string.
190 // buffer is ALWAYS null-terminated
191 extern int dpsnprintf (char *buffer, size_t buffersize, const char *format, ...);
192 extern int dpvsnprintf (char *buffer, size_t buffersize, const char *format, va_list args);
195 //============================================================================
197 extern struct cvar_s registered;
198 extern struct cvar_s cmdline;
200 typedef enum gamemode_e
215 GAME_TENEBRAE, // full of evil hackery
217 GAME_OPENQUARTZ, //this game sucks
224 extern gamemode_t gamemode;
225 extern const char *gamename;
226 extern const char *gamedirname1;
227 extern const char *gamedirname2;
228 extern const char *gamescreenshotname;
229 extern const char *gameuserdirname;
230 extern char com_modname[MAX_OSPATH];
232 void COM_ToLowerString (const char *in, char *out, size_t size_out);
233 void COM_ToUpperString (const char *in, char *out, size_t size_out);
234 int COM_StringBeginsWith(const char *s, const char *match);
236 int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize, const char *commentprefix);
238 typedef struct stringlist_s
240 struct stringlist_s *next;
244 int matchpattern(char *in, char *pattern, int caseinsensitive);
245 stringlist_t *stringlistappend(stringlist_t *current, char *text);
246 void stringlistfree(stringlist_t *current);
247 stringlist_t *stringlistsort(stringlist_t *start);
248 stringlist_t *listdirectory(const char *path);
249 void freedirectory(stringlist_t *list);
251 char *SearchInfostring(const char *infostring, const char *key);
254 // strlcat and strlcpy, from OpenBSD
255 // Most (all?) BSDs already have them
256 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(MACOSX)
257 # define HAVE_STRLCAT 1
258 # define HAVE_STRLCPY 1
263 * Appends src to string dst of size siz (unlike strncat, siz is the
264 * full size of dst, not space left). At most siz-1 characters
265 * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
266 * Returns strlen(src) + MIN(siz, strlen(initial dst)).
267 * If retval >= siz, truncation occurred.
269 size_t strlcat(char *dst, const char *src, size_t siz);
270 #endif // #ifndef HAVE_STRLCAT
274 * Copy src to string dst of size siz. At most siz-1 characters
275 * will be copied. Always NUL terminates (unless siz == 0).
276 * Returns strlen(src); if retval >= siz, truncation occurred.
278 size_t strlcpy(char *dst, const char *src, size_t siz);
280 #endif // #ifndef HAVE_STRLCPY