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.
20 // common.c -- misc functions used in client and server
30 cvar_t registered = {0, "registered","0", "indicates if this is running registered quake (whether gfx/pop.lmp was found)"};
31 cvar_t cmdline = {0, "cmdline","0", "contains commandline the engine was launched with"};
33 char com_token[MAX_INPUTLINE];
35 const char **com_argv;
39 const char *gamedirname1;
40 const char *gamedirname2;
41 const char *gamescreenshotname;
42 const char *gameuserdirname;
43 char com_modname[MAX_OSPATH] = "";
47 ============================================================================
51 ============================================================================
54 short ShortSwap (short l)
66 unsigned char b1,b2,b3,b4;
73 return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
76 float FloatSwap (float f)
86 dat2.b[0] = dat1.b[3];
87 dat2.b[1] = dat1.b[2];
88 dat2.b[2] = dat1.b[1];
89 dat2.b[3] = dat1.b[0];
94 // Extract integers from buffers
96 unsigned int BuffBigLong (const unsigned char *buffer)
98 return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
101 unsigned short BuffBigShort (const unsigned char *buffer)
103 return (buffer[0] << 8) | buffer[1];
106 unsigned int BuffLittleLong (const unsigned char *buffer)
108 return (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
111 unsigned short BuffLittleShort (const unsigned char *buffer)
113 return (buffer[1] << 8) | buffer[0];
118 ============================================================================
122 ============================================================================
125 // this is a 16 bit, non-reflected CRC using the polynomial 0x1021
126 // and the initial and final xor values shown below... in other words, the
127 // CCITT standard CRC used by XMODEM
129 #define CRC_INIT_VALUE 0xffff
130 #define CRC_XOR_VALUE 0x0000
132 static unsigned short crctable[256] =
134 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
135 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
136 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
137 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
138 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
139 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
140 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
141 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
142 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
143 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
144 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
145 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
146 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
147 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
148 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
149 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
150 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
151 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
152 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
153 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
154 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
155 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
156 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
157 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
158 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
159 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
160 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
161 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
162 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
163 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
164 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
165 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
168 unsigned short CRC_Block(const unsigned char *data, size_t size)
170 unsigned short crc = CRC_INIT_VALUE;
172 crc = (crc << 8) ^ crctable[(crc >> 8) ^ (*data++)];
173 return crc ^ CRC_XOR_VALUE;
177 static unsigned char chktbl[1024 + 4] =
179 0x78,0xd2,0x94,0xe3,0x41,0xec,0xd6,0xd5,0xcb,0xfc,0xdb,0x8a,0x4b,0xcc,0x85,0x01,
180 0x23,0xd2,0xe5,0xf2,0x29,0xa7,0x45,0x94,0x4a,0x62,0xe3,0xa5,0x6f,0x3f,0xe1,0x7a,
181 0x64,0xed,0x5c,0x99,0x29,0x87,0xa8,0x78,0x59,0x0d,0xaa,0x0f,0x25,0x0a,0x5c,0x58,
182 0xfb,0x00,0xa7,0xa8,0x8a,0x1d,0x86,0x80,0xc5,0x1f,0xd2,0x28,0x69,0x71,0x58,0xc3,
183 0x51,0x90,0xe1,0xf8,0x6a,0xf3,0x8f,0xb0,0x68,0xdf,0x95,0x40,0x5c,0xe4,0x24,0x6b,
184 0x29,0x19,0x71,0x3f,0x42,0x63,0x6c,0x48,0xe7,0xad,0xa8,0x4b,0x91,0x8f,0x42,0x36,
185 0x34,0xe7,0x32,0x55,0x59,0x2d,0x36,0x38,0x38,0x59,0x9b,0x08,0x16,0x4d,0x8d,0xf8,
186 0x0a,0xa4,0x52,0x01,0xbb,0x52,0xa9,0xfd,0x40,0x18,0x97,0x37,0xff,0xc9,0x82,0x27,
187 0xb2,0x64,0x60,0xce,0x00,0xd9,0x04,0xf0,0x9e,0x99,0xbd,0xce,0x8f,0x90,0x4a,0xdd,
188 0xe1,0xec,0x19,0x14,0xb1,0xfb,0xca,0x1e,0x98,0x0f,0xd4,0xcb,0x80,0xd6,0x05,0x63,
189 0xfd,0xa0,0x74,0xa6,0x86,0xf6,0x19,0x98,0x76,0x27,0x68,0xf7,0xe9,0x09,0x9a,0xf2,
190 0x2e,0x42,0xe1,0xbe,0x64,0x48,0x2a,0x74,0x30,0xbb,0x07,0xcc,0x1f,0xd4,0x91,0x9d,
191 0xac,0x55,0x53,0x25,0xb9,0x64,0xf7,0x58,0x4c,0x34,0x16,0xbc,0xf6,0x12,0x2b,0x65,
192 0x68,0x25,0x2e,0x29,0x1f,0xbb,0xb9,0xee,0x6d,0x0c,0x8e,0xbb,0xd2,0x5f,0x1d,0x8f,
193 0xc1,0x39,0xf9,0x8d,0xc0,0x39,0x75,0xcf,0x25,0x17,0xbe,0x96,0xaf,0x98,0x9f,0x5f,
194 0x65,0x15,0xc4,0x62,0xf8,0x55,0xfc,0xab,0x54,0xcf,0xdc,0x14,0x06,0xc8,0xfc,0x42,
195 0xd3,0xf0,0xad,0x10,0x08,0xcd,0xd4,0x11,0xbb,0xca,0x67,0xc6,0x48,0x5f,0x9d,0x59,
196 0xe3,0xe8,0x53,0x67,0x27,0x2d,0x34,0x9e,0x9e,0x24,0x29,0xdb,0x69,0x99,0x86,0xf9,
197 0x20,0xb5,0xbb,0x5b,0xb0,0xf9,0xc3,0x67,0xad,0x1c,0x9c,0xf7,0xcc,0xef,0xce,0x69,
198 0xe0,0x26,0x8f,0x79,0xbd,0xca,0x10,0x17,0xda,0xa9,0x88,0x57,0x9b,0x15,0x24,0xba,
199 0x84,0xd0,0xeb,0x4d,0x14,0xf5,0xfc,0xe6,0x51,0x6c,0x6f,0x64,0x6b,0x73,0xec,0x85,
200 0xf1,0x6f,0xe1,0x67,0x25,0x10,0x77,0x32,0x9e,0x85,0x6e,0x69,0xb1,0x83,0x00,0xe4,
201 0x13,0xa4,0x45,0x34,0x3b,0x40,0xff,0x41,0x82,0x89,0x79,0x57,0xfd,0xd2,0x8e,0xe8,
202 0xfc,0x1d,0x19,0x21,0x12,0x00,0xd7,0x66,0xe5,0xc7,0x10,0x1d,0xcb,0x75,0xe8,0xfa,
203 0xb6,0xee,0x7b,0x2f,0x1a,0x25,0x24,0xb9,0x9f,0x1d,0x78,0xfb,0x84,0xd0,0x17,0x05,
204 0x71,0xb3,0xc8,0x18,0xff,0x62,0xee,0xed,0x53,0xab,0x78,0xd3,0x65,0x2d,0xbb,0xc7,
205 0xc1,0xe7,0x70,0xa2,0x43,0x2c,0x7c,0xc7,0x16,0x04,0xd2,0x45,0xd5,0x6b,0x6c,0x7a,
206 0x5e,0xa1,0x50,0x2e,0x31,0x5b,0xcc,0xe8,0x65,0x8b,0x16,0x85,0xbf,0x82,0x83,0xfb,
207 0xde,0x9f,0x36,0x48,0x32,0x79,0xd6,0x9b,0xfb,0x52,0x45,0xbf,0x43,0xf7,0x0b,0x0b,
208 0x19,0x19,0x31,0xc3,0x85,0xec,0x1d,0x8c,0x20,0xf0,0x3a,0xfa,0x80,0x4d,0x2c,0x7d,
209 0xac,0x60,0x09,0xc0,0x40,0xee,0xb9,0xeb,0x13,0x5b,0xe8,0x2b,0xb1,0x20,0xf0,0xce,
210 0x4c,0xbd,0xc6,0x04,0x86,0x70,0xc6,0x33,0xc3,0x15,0x0f,0x65,0x19,0xfd,0xc2,0xd3,
212 // map checksum goes here
217 unsigned char COM_BlockSequenceCRCByteQW(unsigned char *base, int length, int sequence)
220 unsigned char chkb[60 + 4];
222 p = chktbl + (sequence % (sizeof(chktbl) - 8));
226 memcpy(chkb, base, length);
228 chkb[length] = (sequence & 0xff) ^ p[0];
229 chkb[length+1] = p[1];
230 chkb[length+2] = ((sequence>>8) & 0xff) ^ p[2];
231 chkb[length+3] = p[3];
233 return CRC_Block(chkb, length + 4) & 0xff;
237 ==============================================================================
241 Handles byte ordering and avoids alignment errors
242 ==============================================================================
249 void MSG_WriteChar (sizebuf_t *sb, int c)
253 buf = SZ_GetSpace (sb, 1);
257 void MSG_WriteByte (sizebuf_t *sb, int c)
261 buf = SZ_GetSpace (sb, 1);
265 void MSG_WriteShort (sizebuf_t *sb, int c)
269 buf = SZ_GetSpace (sb, 2);
274 void MSG_WriteLong (sizebuf_t *sb, int c)
278 buf = SZ_GetSpace (sb, 4);
280 buf[1] = (c>>8)&0xff;
281 buf[2] = (c>>16)&0xff;
285 void MSG_WriteFloat (sizebuf_t *sb, float f)
295 dat.l = LittleLong (dat.l);
297 SZ_Write (sb, (unsigned char *)&dat.l, 4);
300 void MSG_WriteString (sizebuf_t *sb, const char *s)
303 MSG_WriteChar (sb, 0);
305 SZ_Write (sb, (unsigned char *)s, (int)strlen(s)+1);
308 void MSG_WriteUnterminatedString (sizebuf_t *sb, const char *s)
311 SZ_Write (sb, (unsigned char *)s, (int)strlen(s));
314 void MSG_WriteCoord13i (sizebuf_t *sb, float f)
317 MSG_WriteShort (sb, (int)(f * 8.0 + 0.5));
319 MSG_WriteShort (sb, (int)(f * 8.0 - 0.5));
322 void MSG_WriteCoord16i (sizebuf_t *sb, float f)
325 MSG_WriteShort (sb, (int)(f + 0.5));
327 MSG_WriteShort (sb, (int)(f - 0.5));
330 void MSG_WriteCoord32f (sizebuf_t *sb, float f)
332 MSG_WriteFloat (sb, f);
335 void MSG_WriteCoord (sizebuf_t *sb, float f, protocolversion_t protocol)
337 if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_QUAKEWORLD)
338 MSG_WriteCoord13i (sb, f);
339 else if (protocol == PROTOCOL_DARKPLACES1)
340 MSG_WriteCoord32f (sb, f);
341 else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
342 MSG_WriteCoord16i (sb, f);
344 MSG_WriteCoord32f (sb, f);
347 void MSG_WriteVector (sizebuf_t *sb, float *v, protocolversion_t protocol)
349 MSG_WriteCoord (sb, v[0], protocol);
350 MSG_WriteCoord (sb, v[1], protocol);
351 MSG_WriteCoord (sb, v[2], protocol);
354 // LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
355 void MSG_WriteAngle8i (sizebuf_t *sb, float f)
358 MSG_WriteByte (sb, (int)(f*(256.0/360.0) + 0.5) & 255);
360 MSG_WriteByte (sb, (int)(f*(256.0/360.0) - 0.5) & 255);
363 void MSG_WriteAngle16i (sizebuf_t *sb, float f)
366 MSG_WriteShort (sb, (int)(f*(65536.0/360.0) + 0.5) & 65535);
368 MSG_WriteShort (sb, (int)(f*(65536.0/360.0) - 0.5) & 65535);
371 void MSG_WriteAngle32f (sizebuf_t *sb, float f)
373 MSG_WriteFloat (sb, f);
376 void MSG_WriteAngle (sizebuf_t *sb, float f, protocolversion_t protocol)
378 if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4 || protocol == PROTOCOL_QUAKEWORLD)
379 MSG_WriteAngle8i (sb, f);
381 MSG_WriteAngle16i (sb, f);
388 qboolean msg_badread;
390 void MSG_BeginReading (void)
396 int MSG_ReadLittleShort (void)
398 if (msg_readcount+2 > net_message.cursize)
404 return (short)(net_message.data[msg_readcount-2] | (net_message.data[msg_readcount-1]<<8));
407 int MSG_ReadBigShort (void)
409 if (msg_readcount+2 > net_message.cursize)
415 return (short)((net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1]);
418 int MSG_ReadLittleLong (void)
420 if (msg_readcount+4 > net_message.cursize)
426 return net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
429 int MSG_ReadBigLong (void)
431 if (msg_readcount+4 > net_message.cursize)
437 return (net_message.data[msg_readcount-4]<<24) + (net_message.data[msg_readcount-3]<<16) + (net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1];
440 float MSG_ReadLittleFloat (void)
447 if (msg_readcount+4 > net_message.cursize)
453 dat.l = net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
457 float MSG_ReadBigFloat (void)
464 if (msg_readcount+4 > net_message.cursize)
470 dat.l = (net_message.data[msg_readcount-4]<<24) | (net_message.data[msg_readcount-3]<<16) | (net_message.data[msg_readcount-2]<<8) | net_message.data[msg_readcount-1];
474 char *MSG_ReadString (void)
476 static char string[MAX_INPUTLINE];
478 for (l = 0;l < (int) sizeof(string) - 1 && (c = MSG_ReadByte()) != -1 && c != 0;l++)
484 int MSG_ReadBytes (int numbytes, unsigned char *out)
487 for (l = 0;l < numbytes && (c = MSG_ReadByte()) != -1;l++)
492 float MSG_ReadCoord13i (void)
494 return MSG_ReadLittleShort() * (1.0/8.0);
497 float MSG_ReadCoord16i (void)
499 return (signed short) MSG_ReadLittleShort();
502 float MSG_ReadCoord32f (void)
504 return MSG_ReadLittleFloat();
507 float MSG_ReadCoord (protocolversion_t protocol)
509 if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_QUAKEWORLD)
510 return MSG_ReadCoord13i();
511 else if (protocol == PROTOCOL_DARKPLACES1)
512 return MSG_ReadCoord32f();
513 else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
514 return MSG_ReadCoord16i();
516 return MSG_ReadCoord32f();
519 void MSG_ReadVector (float *v, protocolversion_t protocol)
521 v[0] = MSG_ReadCoord(protocol);
522 v[1] = MSG_ReadCoord(protocol);
523 v[2] = MSG_ReadCoord(protocol);
526 // LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
527 float MSG_ReadAngle8i (void)
529 return (signed char) MSG_ReadByte () * (360.0/256.0);
532 float MSG_ReadAngle16i (void)
534 return (signed short)MSG_ReadShort () * (360.0/65536.0);
537 float MSG_ReadAngle32f (void)
539 return MSG_ReadFloat ();
542 float MSG_ReadAngle (protocolversion_t protocol)
544 if (protocol == PROTOCOL_QUAKE || protocol == PROTOCOL_QUAKEDP || protocol == PROTOCOL_NEHAHRAMOVIE || protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4 || protocol == PROTOCOL_QUAKEWORLD)
545 return MSG_ReadAngle8i ();
547 return MSG_ReadAngle16i ();
551 //===========================================================================
553 void SZ_Clear (sizebuf_t *buf)
558 unsigned char *SZ_GetSpace (sizebuf_t *buf, int length)
562 if (buf->cursize + length > buf->maxsize)
564 if (!buf->allowoverflow)
565 Host_Error ("SZ_GetSpace: overflow without allowoverflow set");
567 if (length > buf->maxsize)
568 Host_Error ("SZ_GetSpace: %i is > full buffer size", length);
570 buf->overflowed = true;
571 Con_Print("SZ_GetSpace: overflow\n");
575 data = buf->data + buf->cursize;
576 buf->cursize += length;
581 void SZ_Write (sizebuf_t *buf, const unsigned char *data, int length)
583 memcpy (SZ_GetSpace(buf,length),data,length);
586 // LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
587 // attention, it has been eradicated from here, its only (former) use in
588 // all of darkplaces.
590 static char *hexchar = "0123456789ABCDEF";
591 void Com_HexDumpToConsole(const unsigned char *data, int size)
595 char *cur, *flushpointer;
596 const unsigned char *d;
598 flushpointer = text + 512;
599 for (i = 0;i < size;)
606 *cur++ = hexchar[(i >> 12) & 15];
607 *cur++ = hexchar[(i >> 8) & 15];
608 *cur++ = hexchar[(i >> 4) & 15];
609 *cur++ = hexchar[(i >> 0) & 15];
612 for (j = 0;j < 16;j++)
616 *cur++ = hexchar[(d[j] >> 4) & 15];
617 *cur++ = hexchar[(d[j] >> 0) & 15];
628 for (j = 0;j < 16;j++)
632 // color change prefix character has to be treated specially
633 if (d[j] == STRING_COLOR_TAG)
635 *cur++ = STRING_COLOR_TAG;
636 *cur++ = STRING_COLOR_TAG;
638 else if (d[j] >= ' ')
648 if (cur >= flushpointer || i >= size)
657 void SZ_HexDumpToConsole(const sizebuf_t *buf)
659 Com_HexDumpToConsole(buf->data, buf->cursize);
663 //============================================================================
668 COM_ParseToken_Simple
670 Parse a token out of a string
673 int COM_ParseToken_Simple(const char **datapointer, qboolean returnnewline, qboolean parsebackslash)
677 const char *data = *datapointer;
694 for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++)
704 // handle Windows line ending
705 if (data[0] == '\r' && data[1] == '\n')
708 if (data[0] == '/' && data[1] == '/')
711 while (*data && *data != '\n' && *data != '\r')
715 else if (data[0] == '/' && data[1] == '*')
719 while (*data && (data[0] != '*' || data[1] != '/'))
727 else if (*data == '\"')
730 for (data++;*data && *data != '\"';data++)
733 if (*data == '\\' && parsebackslash)
742 if (len < (int)sizeof(com_token) - 1)
743 com_token[len++] = c;
751 else if (*data == '\r')
753 // translate Mac line ending to UNIX
754 com_token[len++] = '\n';data++;
759 else if (*data == '\n')
762 com_token[len++] = *data++;
770 for (;*data > ' ';data++)
771 if (len < (int)sizeof(com_token) - 1)
772 com_token[len++] = *data;
781 COM_ParseToken_QuakeC
783 Parse a token out of a string
786 int COM_ParseToken_QuakeC(const char **datapointer, qboolean returnnewline)
790 const char *data = *datapointer;
807 for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++)
817 // handle Windows line ending
818 if (data[0] == '\r' && data[1] == '\n')
821 if (data[0] == '/' && data[1] == '/')
824 while (*data && *data != '\n' && *data != '\r')
828 else if (data[0] == '/' && data[1] == '*')
832 while (*data && (data[0] != '*' || data[1] != '/'))
840 else if (*data == '\"' || *data == '\'')
844 for (data++;*data && *data != quote;data++)
856 if (len < (int)sizeof(com_token) - 1)
857 com_token[len++] = c;
865 else if (*data == '\r')
867 // translate Mac line ending to UNIX
868 com_token[len++] = '\n';data++;
873 else if (*data == '\n' || *data == '{' || *data == '}' || *data == ')' || *data == '(' || *data == ']' || *data == '[' || *data == ':' || *data == ',' || *data == ';')
876 com_token[len++] = *data++;
884 for (;*data > ' ' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != ':' && *data != ',' && *data != ';';data++)
885 if (len < (int)sizeof(com_token) - 1)
886 com_token[len++] = *data;
895 COM_ParseToken_VM_Tokenize
897 Parse a token out of a string
900 int COM_ParseToken_VM_Tokenize(const char **datapointer, qboolean returnnewline)
904 const char *data = *datapointer;
921 for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++)
931 // handle Windows line ending
932 if (data[0] == '\r' && data[1] == '\n')
935 if (data[0] == '/' && data[1] == '/')
938 while (*data && *data != '\n' && *data != '\r')
942 else if (data[0] == '/' && data[1] == '*')
946 while (*data && (data[0] != '*' || data[1] != '/'))
954 else if (*data == '\"' || *data == '\'')
958 for (data++;*data && *data != quote;data++)
970 if (len < (int)sizeof(com_token) - 1)
971 com_token[len++] = c;
979 else if (*data == '\r')
981 // translate Mac line ending to UNIX
982 com_token[len++] = '\n';data++;
987 else if (*data == '\n' || *data == '{' || *data == '}' || *data == ')' || *data == '(' || *data == ']' || *data == '[' || *data == ':' || *data == ',' || *data == ';')
990 com_token[len++] = *data++;
998 for (;*data > ' ' && *data != ',' && *data != ';' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != ':' && *data != ',' && *data != ';';data++)
999 if (len < (int)sizeof(com_token) - 1)
1000 com_token[len++] = *data;
1002 *datapointer = data;
1009 COM_ParseToken_Console
1011 Parse a token out of a string, behaving like the qwcl console
1014 int COM_ParseToken_Console(const char **datapointer)
1017 const char *data = *datapointer;
1024 *datapointer = NULL;
1030 for (;*data <= ' ';data++)
1035 *datapointer = NULL;
1040 if (*data == '/' && data[1] == '/')
1043 while (*data && *data != '\n' && *data != '\r')
1047 else if (*data == '\"')
1050 for (data++;*data && *data != '\"';data++)
1052 // allow escaped " and \ case
1053 if (*data == '\\' && (data[1] == '\"' || data[1] == '\\'))
1055 if (len < (int)sizeof(com_token) - 1)
1056 com_token[len++] = *data;
1061 *datapointer = data;
1066 for (;*data > ' ';data++)
1067 if (len < (int)sizeof(com_token) - 1)
1068 com_token[len++] = *data;
1070 *datapointer = data;
1081 Returns the position (1 to argc-1) in the program's argument list
1082 where the given parameter apears, or 0 if not present
1085 int COM_CheckParm (const char *parm)
1089 for (i=1 ; i<com_argc ; i++)
1092 continue; // NEXTSTEP sometimes clears appkit vars.
1093 if (!strcmp (parm,com_argv[i]))
1100 //===========================================================================
1104 typedef struct gamemode_info_s
1106 const char* prog_name;
1107 const char* cmdline;
1108 const char* gamename;
1109 const char* gamedirname1;
1110 const char* gamedirname2;
1111 const char* gamescreenshotname;
1112 const char* gameuserdirname;
1115 static const gamemode_info_t gamemode_info [] =
1116 {// prog_name cmdline gamename gamedirname gamescreenshotname
1119 // COMMANDLINEOPTION: Game: -quake runs the game Quake (default)
1120 { "", "-quake", "DarkPlaces-Quake", "id1", NULL, "dp", "darkplaces" },
1122 // COMMANDLINEOPTION: Game: -hipnotic runs Quake mission pack 1: The Scourge of Armagon
1123 { "hipnotic", "-hipnotic", "Darkplaces-Hipnotic", "id1", "hipnotic", "dp", "darkplaces" },
1125 // COMMANDLINEOPTION: Game: -rogue runs Quake mission pack 2: The Dissolution of Eternity
1126 { "rogue", "-rogue", "Darkplaces-Rogue", "id1", "rogue", "dp", "darkplaces" },
1128 // COMMANDLINEOPTION: Game: -nehahra runs The Seal of Nehahra movie and game
1129 { "nehahra", "-nehahra", "DarkPlaces-Nehahra", "id1", "nehahra", "dp", "darkplaces" },
1131 // COMMANDLINEOPTION: Game: -nexuiz runs the multiplayer game Nexuiz
1132 { "nexuiz", "-nexuiz", "Nexuiz", "data", NULL, "nexuiz", "nexuiz" },
1134 // COMMANDLINEOPTION: Game: -transfusion runs Transfusion (the recreation of Blood in Quake)
1135 { "transfusion", "-transfusion", "Transfusion", "basetf", NULL, "transfusion", "transfusion" },
1137 // COMMANDLINEOPTION: Game: -goodvsbad2 runs the psychadelic RTS FPS game Good Vs Bad 2
1138 { "gvb2", "-goodvsbad2", "GoodVs.Bad2", "rts", NULL, "gvb2", "gvb2" },
1140 // COMMANDLINEOPTION: Game: -teu runs The Evil Unleashed (this option is obsolete as they are not using darkplaces)
1141 { "teu", "-teu", "TheEvilUnleashed", "baseteu", NULL, "teu", "teu" },
1143 // COMMANDLINEOPTION: Game: -battlemech runs the multiplayer topdown deathmatch game BattleMech
1144 { "battlemech", "-battlemech", "Battlemech", "base", NULL, "battlemech", "battlemech" },
1146 // COMMANDLINEOPTION: Game: -zymotic runs the singleplayer game Zymotic
1147 { "zymotic", "-zymotic", "Zymotic", "basezym", NULL, "zymotic", "zymotic" },
1149 // COMMANDLINEOPTION: Game: -setheral runs the multiplayer game Setheral
1150 { "setheral", "-setheral", "Setheral", "data", NULL, "setheral", "setheral" },
1152 // COMMANDLINEOPTION: Game: -som runs the multiplayer game Son Of Man
1153 { "som", "-som", "Son of Man", "id1", "sonofman", "som", "darkplaces" },
1155 // COMMANDLINEOPTION: Game: -tenebrae runs the graphics test mod known as Tenebrae (some features not implemented)
1156 { "tenebrae", "-tenebrae", "DarkPlaces-Tenebrae", "id1", "tenebrae", "dp", "darkplaces" },
1158 // COMMANDLINEOPTION: Game: -neoteric runs the game Neoteric
1159 { "neoteric", "-neoteric", "Neoteric", "id1", "neobase", "neo", "darkplaces" },
1161 // COMMANDLINEOPTION: Game: -openquartz runs the game OpenQuartz, a standalone GPL replacement of the quake content
1162 { "openquartz", "-openquartz", "OpenQuartz", "id1", NULL, "openquartz", "darkplaces" },
1164 // COMMANDLINEOPTION: Game: -prydon runs the topdown point and click action-RPG Prydon Gate
1165 { "prydon", "-prydon", "PrydonGate", "id1", "prydon", "prydon", "darkplaces" },
1167 // COMMANDLINEOPTION: Game: -netherworld runs the game Netherworld: Dark Master
1168 { "netherworld", "-netherworld", "Netherworld: Dark Master", "id1", "netherworld", "nw", "darkplaces" },
1170 // COMMANDLINEOPTION: Game: -thehunted runs the game The Hunted
1171 { "thehunted", "-thehunted", "The Hunted", "thdata", NULL, "th", "thehunted" },
1172 // GAME_DEFEATINDETAIL2
1173 // COMMANDLINEOPTION: Game: -did2 runs the game Defeat In Detail 2
1174 { "did2", "-did2", "Defeat In Detail 2", "data", NULL, "did2_", "did2" },
1176 // COMMANDLINEOPTION: Game: -darsana runs the game Darsana
1177 { "darsana", "-darsana", "Darsana", "ddata", NULL, "darsana", "darsana" },
1178 // GAME_CONTAGIONTHEORY
1179 // COMMANDLINEOPTION: Game: -contagiontheory runs the game Contagion Theory
1180 { "contagiontheory", "-contagiontheory", "Contagion Theory", "ctdata", NULL, "ct", "contagiontheory" },
1183 void COM_InitGameType (void)
1185 char name [MAX_OSPATH];
1188 FS_StripExtension (com_argv[0], name, sizeof (name));
1189 COM_ToLowerString (name, name, sizeof (name));
1191 // Check the binary name; default to GAME_NORMAL (0)
1192 gamemode = GAME_NORMAL;
1193 for (i = 1; i < sizeof (gamemode_info) / sizeof (gamemode_info[0]); i++)
1194 if (strstr (name, gamemode_info[i].prog_name))
1196 gamemode = (gamemode_t)i;
1200 // Look for a command-line option
1201 for (i = 0; i < sizeof (gamemode_info) / sizeof (gamemode_info[0]); i++)
1202 if (COM_CheckParm (gamemode_info[i].cmdline))
1204 gamemode = (gamemode_t)i;
1208 gamename = gamemode_info[gamemode].gamename;
1209 gamedirname1 = gamemode_info[gamemode].gamedirname1;
1210 gamedirname2 = gamemode_info[gamemode].gamedirname2;
1211 gamescreenshotname = gamemode_info[gamemode].gamescreenshotname;
1212 gameuserdirname = gamemode_info[gamemode].gameuserdirname;
1221 void COM_Init_Commands (void)
1224 char com_cmdline[MAX_INPUTLINE];
1226 Cvar_RegisterVariable (®istered);
1227 Cvar_RegisterVariable (&cmdline);
1229 // reconstitute the command line for the cmdline externally visible cvar
1231 for (j = 0;(j < MAX_NUM_ARGVS) && (j < com_argc);j++)
1234 if (strstr(com_argv[j], " "))
1236 // arg contains whitespace, store quotes around it
1237 com_cmdline[n++] = '\"';
1238 while ((n < ((int)sizeof(com_cmdline) - 1)) && com_argv[j][i])
1239 com_cmdline[n++] = com_argv[j][i++];
1240 com_cmdline[n++] = '\"';
1244 while ((n < ((int)sizeof(com_cmdline) - 1)) && com_argv[j][i])
1245 com_cmdline[n++] = com_argv[j][i++];
1247 if (n < ((int)sizeof(com_cmdline) - 1))
1248 com_cmdline[n++] = ' ';
1253 Cvar_Set ("cmdline", com_cmdline);
1260 does a varargs printf into a temp buffer, so I don't need to have
1261 varargs versions of all text functions.
1262 FIXME: make this buffer size safe someday
1265 char *va(const char *format, ...)
1268 // LordHavoc: now cycles through 8 buffers to avoid problems in most cases
1269 static char string[8][1024], *s;
1270 static int stringindex = 0;
1272 s = string[stringindex];
1273 stringindex = (stringindex + 1) & 7;
1274 va_start (argptr, format);
1275 dpvsnprintf (s, sizeof (string[0]), format,argptr);
1282 //======================================
1284 // snprintf and vsnprintf are NOT portable. Use their DP counterparts instead
1290 # define snprintf _snprintf
1291 # define vsnprintf _vsnprintf
1295 int dpsnprintf (char *buffer, size_t buffersize, const char *format, ...)
1300 va_start (args, format);
1301 result = dpvsnprintf (buffer, buffersize, format, args);
1308 int dpvsnprintf (char *buffer, size_t buffersize, const char *format, va_list args)
1312 result = vsnprintf (buffer, buffersize, format, args);
1313 if (result < 0 || (size_t)result >= buffersize)
1315 buffer[buffersize - 1] = '\0';
1323 //======================================
1325 void COM_ToLowerString (const char *in, char *out, size_t size_out)
1330 while (*in && size_out > 1)
1332 if (*in >= 'A' && *in <= 'Z')
1333 *out++ = *in++ + 'a' - 'A';
1341 void COM_ToUpperString (const char *in, char *out, size_t size_out)
1346 while (*in && size_out > 1)
1348 if (*in >= 'a' && *in <= 'z')
1349 *out++ = *in++ + 'A' - 'a';
1357 int COM_StringBeginsWith(const char *s, const char *match)
1359 for (;*s && *match;s++, match++)
1365 int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize, const char *commentprefix)
1367 int argc, commentprefixlength;
1371 tokenbufend = tokenbuf + tokenbufsize;
1373 commentprefixlength = 0;
1375 commentprefixlength = (int)strlen(commentprefix);
1376 while (*l && *l != '\n' && *l != '\r')
1380 if (commentprefixlength && !strncmp(l, commentprefix, commentprefixlength))
1382 while (*l && *l != '\n' && *l != '\r')
1386 if (argc >= maxargc)
1388 argv[argc++] = tokenbuf;
1392 while (*l && *l != '"')
1394 if (tokenbuf >= tokenbufend)
1405 if (tokenbuf >= tokenbufend)
1410 if (tokenbuf >= tokenbufend)
1431 COM_StringLengthNoColors
1433 calculates the visible width of a color coded string.
1435 *valid is filled with TRUE if the string is a valid colored string (that is, if
1436 it does not end with an unfinished color code). If it gets filled with FALSE, a
1437 fix would be adding a STRING_COLOR_TAG at the end of the string.
1439 valid can be set to NULL if the caller doesn't care.
1441 For size_s, specify the maximum number of characters from s to use, or 0 to use
1442 all characters until the zero terminator.
1446 COM_StringLengthNoColors(const char *s, size_t size_s, qboolean *valid)
1448 const char *end = size_s ? (s + size_s) : NULL;
1452 switch((s == end) ? 0 : *s)
1458 case STRING_COLOR_TAG:
1460 switch((s == end) ? 0 : *s)
1462 case 0: // ends with unfinished color code!
1467 case STRING_COLOR_TAG: // escaped ^
1470 case '0': case '1': case '2': case '3': case '4':
1471 case '5': case '6': case '7': case '8': case '9': // color code
1473 default: // not a color code
1474 ++len; // STRING_COLOR_TAG
1475 ++len; // the character
1490 COM_StringDecolorize
1492 removes color codes from a string.
1494 If escape_carets is true, the resulting string will be safe for printing. If
1495 escape_carets is false, the function will just strip color codes (for logging
1498 If the output buffer size did not suffice for converting, the function returns
1499 FALSE. Generally, if escape_carets is false, the output buffer needs
1500 strlen(str)+1 bytes, and if escape_carets is true, it can need strlen(str)+2
1501 bytes. In any case, the function makes sure that the resulting string is
1504 For size_in, specify the maximum number of characters from in to use, or 0 to use
1505 all characters until the zero terminator.
1509 COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, qboolean escape_carets)
1511 #define APPEND(ch) do { if(--size_out) { *out++ = (ch); } else { *out++ = 0; return FALSE; } } while(0)
1512 const char *end = size_in ? (in + size_in) : NULL;
1517 switch((in == end) ? 0 : *in)
1522 case STRING_COLOR_TAG:
1524 switch((in == end) ? 0 : *in)
1526 case 0: // ends with unfinished color code!
1527 APPEND(STRING_COLOR_TAG);
1528 // finish the code by appending another caret when escaping
1530 APPEND(STRING_COLOR_TAG);
1533 case STRING_COLOR_TAG: // escaped ^
1534 APPEND(STRING_COLOR_TAG);
1535 // append a ^ twice when escaping
1537 APPEND(STRING_COLOR_TAG);
1539 case '0': case '1': case '2': case '3': case '4':
1540 case '5': case '6': case '7': case '8': case '9': // color code
1542 default: // not a color code
1543 APPEND(STRING_COLOR_TAG);
1558 // written by Elric, thanks Elric!
1559 char *SearchInfostring(const char *infostring, const char *key)
1561 static char value [MAX_INPUTLINE];
1562 char crt_key [MAX_INPUTLINE];
1563 size_t value_ind, key_ind;
1566 if (*infostring++ != '\\')
1581 if (c == '\\' || key_ind == sizeof (crt_key) - 1)
1583 crt_key[key_ind] = '\0';
1587 crt_key[key_ind++] = c;
1590 // If it's the key we are looking for, save it in "value"
1591 if (!strcmp(crt_key, key))
1597 if (c == '\0' || c == '\\' || value_ind == sizeof (value) - 1)
1599 value[value_ind] = '\0';
1603 value[value_ind++] = c;
1607 // Else, skip the value
1620 void InfoString_GetValue(const char *buffer, const char *key, char *value, size_t valuelength)
1628 keylength = strlen(key);
1629 if (valuelength < 1 || !value)
1631 Con_Printf("InfoString_GetValue: no room in value\n");
1635 if (strchr(key, '\\'))
1637 Con_Printf("InfoString_GetValue: key name \"%s\" contains \\ which is not possible in an infostring\n", key);
1640 if (strchr(key, '\"'))
1642 Con_Printf("InfoString_SetValue: key name \"%s\" contains \" which is not allowed in an infostring\n", key);
1647 Con_Printf("InfoString_GetValue: can not look up a key with no name\n");
1650 while (buffer[pos] == '\\')
1652 if (!memcmp(buffer + pos+1, key, keylength))
1654 for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
1656 for (j = 0;buffer[pos+j] && buffer[pos+j] != '\\' && j < (int)valuelength - 1;j++)
1657 value[j] = buffer[pos+j];
1661 for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
1662 for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
1664 // if we reach this point the key was not found
1667 void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, const char *value)
1675 keylength = strlen(key);
1676 if (strchr(key, '\\') || strchr(value, '\\'))
1678 Con_Printf("InfoString_SetValue: \"%s\" \"%s\" contains \\ which is not possible to store in an infostring\n", key, value);
1681 if (strchr(key, '\"') || strchr(value, '\"'))
1683 Con_Printf("InfoString_SetValue: \"%s\" \"%s\" contains \" which is not allowed in an infostring\n", key, value);
1688 Con_Printf("InfoString_SetValue: can not set a key with no name\n");
1691 while (buffer[pos] == '\\')
1693 if (!memcmp(buffer + pos+1, key, keylength))
1695 for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
1696 for (pos++;buffer[pos] && buffer[pos] != '\\';pos++);
1698 // if we found the key, find the end of it because we will be replacing it
1700 if (buffer[pos] == '\\')
1702 for (pos2++;buffer[pos2] && buffer[pos2] != '\\';pos2++);
1703 for (pos2++;buffer[pos2] && buffer[pos2] != '\\';pos2++);
1705 if (bufferlength <= pos + 1 + strlen(key) + 1 + strlen(value) + strlen(buffer + pos2))
1707 Con_Printf("InfoString_SetValue: no room for \"%s\" \"%s\" in infostring\n", key, value);
1710 if (value && value[0])
1712 // set the key/value and append the remaining text
1713 char tempbuffer[4096];
1714 strlcpy(tempbuffer, buffer + pos2, sizeof(tempbuffer));
1715 sprintf(buffer + pos, "\\%s\\%s%s", key, value, tempbuffer);
1719 // just remove the key from the text
1720 strlcpy(buffer + pos, buffer + pos2, bufferlength - pos);
1724 void InfoString_Print(char *buffer)
1731 if (*buffer != '\\')
1733 Con_Printf("InfoString_Print: corrupt string\n");
1736 for (buffer++, i = 0;*buffer && *buffer != '\\';buffer++)
1737 if (i < (int)sizeof(key)-1)
1740 if (*buffer != '\\')
1742 Con_Printf("InfoString_Print: corrupt string\n");
1745 for (buffer++, i = 0;*buffer && *buffer != '\\';buffer++)
1746 if (i < (int)sizeof(value)-1)
1747 value[i++] = *buffer;
1749 // empty value is an error case
1750 Con_Printf("%20s %s\n", key, value[0] ? value : "NO VALUE");
1754 //========================================================
1755 // strlcat and strlcpy, from OpenBSD
1758 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
1760 * Permission to use, copy, modify, and distribute this software for any
1761 * purpose with or without fee is hereby granted, provided that the above
1762 * copyright notice and this permission notice appear in all copies.
1764 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
1765 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1766 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
1767 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1768 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1769 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1770 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1773 /* $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $ */
1774 /* $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $ */
1777 #ifndef HAVE_STRLCAT
1779 strlcat(char *dst, const char *src, size_t siz)
1781 register char *d = dst;
1782 register const char *s = src;
1783 register size_t n = siz;
1786 /* Find the end of dst and adjust bytes left but don't go past end */
1787 while (n-- != 0 && *d != '\0')
1793 return(dlen + strlen(s));
1794 while (*s != '\0') {
1803 return(dlen + (s - src)); /* count does not include NUL */
1805 #endif // #ifndef HAVE_STRLCAT
1808 #ifndef HAVE_STRLCPY
1810 strlcpy(char *dst, const char *src, size_t siz)
1812 register char *d = dst;
1813 register const char *s = src;
1814 register size_t n = siz;
1816 /* Copy as many bytes as will fit */
1817 if (n != 0 && --n != 0) {
1819 if ((*d++ = *s++) == 0)
1824 /* Not enough room in dst, add NUL and traverse rest of src */
1827 *d = '\0'; /* NUL-terminate dst */
1832 return(s - src - 1); /* count does not include NUL */
1835 #endif // #ifndef HAVE_STRLCPY