27 char *cachedir = "/tmp";
29 cvar_t sys_linerefresh = {"sys_linerefresh","0"};// set for entity display
31 // =======================================================================
33 // =======================================================================
35 void Sys_DebugNumber(int y, int val)
40 void Sys_Printf (char *fmt, ...)
45 va_start (argptr,fmt);
46 vsprintf (text,fmt,argptr);
48 fprintf(stderr, "%s", text);
53 void Sys_Printf (char *fmt, ...)
57 char text[1024], *t_p;
63 va_start (argptr,fmt);
64 vsprintf (text,fmt,argptr);
70 // make sure everything goes through, even though we are non-blocking
73 r = write (1, text, l);
86 char sysprintfbuf1[1024];
87 char sysprintfbuf2[4096];
88 char sysprintfhextable[] = "0123456789ABCDEF";
89 void Sys_Printf (char *fmt, ...)
95 va_start (argptr,fmt);
96 vsprintf (sysprintfbuf1,fmt,argptr);
99 if (strlen(sysprintfbuf1) > 1023)
100 Sys_Error("memory overwrite in Sys_Printf");
106 for (i = 0;i < 1023 && sysprintfbuf1[i];i++)
108 c = sysprintfbuf1[i] & 0x7f;
109 if (c < 32 && c != 10 && c != 13 && c != 9)
112 *o++ = sysprintfhextable[(c >> 4)];
113 *o++ = sysprintfhextable[c & 0x0F];
125 "\x1b[?7h\x1b[40m\x1b[2J\x1b[0;1;41m\x1b[1;1H QUAKE: The Doomed Dimension \x1b[33mby \x1b[44mid\x1b[41m Software \x1b[2;1H ---------------------------------------------------------------------------- \x1b[3;1H CALL 1-800-IDGAMES TO ORDER OR FOR TECHNICAL SUPPORT \x1b[4;1H PRICE: $45.00 (PRICES MAY VARY OUTSIDE THE US.) \x1b[5;1H \x1b[6;1H \x1b[37mYes! You only have one fourth of this incredible epic. That is because most \x1b[7;1H of you have paid us nothing or at most, very little. You could steal the \x1b[8;1H game from a friend. But we both know you'll be punished by God if you do. \x1b[9;1H \x1b[33mWHY RISK ETERNAL DAMNATION? CALL 1-800-IDGAMES AND BUY NOW! \x1b[10;1H \x1b[37mRemember, we love you almost as much as He does. \x1b[11;1H \x1b[12;1H \x1b[33mProgramming: \x1b[37mJohn Carmack, Michael Abrash, John Cash \x1b[13;1H \x1b[33mDesign: \x1b[37mJohn Romero, Sandy Petersen, American McGee, Tim Willits \x1b[14;1H \x1b[33mArt: \x1b[37mAdrian Carmack, Kevin Cloud \x1b[15;1H \x1b[33mBiz: \x1b[37mJay Wilbur, Mike Wilson, Donna Jackson \x1b[16;1H \x1b[33mProjects: \x1b[37mShawn Green \x1b[33mSupport: \x1b[37mBarrett Alexander \x1b[17;1H \x1b[33mSound Effects: \x1b[37mTrent Reznor and Nine Inch Nails \x1b[18;1H For other information or details on ordering outside the US, check out the \x1b[19;1H files accompanying QUAKE or our website at http://www.idsoftware.com. \x1b[20;1H \x1b[0;41mQuake is a trademark of Id Software, inc., (c)1996 Id Software, inc. \x1b[21;1H All rights reserved. NIN logo is a registered trademark licensed to \x1b[22;1H Nothing Interactive, Inc. All rights reserved. \x1b[40m\x1b[23;1H\x1b[0m";
127 "\x1b[?7h\x1b[40m\x1b[2J\x1b[0;1;41m\x1b[1;1H QUAKE \x1b[33mby \x1b[44mid\x1b[41m Software \x1b[2;1H ----------------------------------------------------------------------------- \x1b[3;1H \x1b[37mWhy did you quit from the registered version of QUAKE? Did the \x1b[4;1H scary monsters frighten you? Or did Mr. Sandman tug at your \x1b[5;1H little lids? No matter! What is important is you love our \x1b[6;1H game, and gave us your money. Congratulations, you are probably \x1b[7;1H not a thief. \x1b[8;1H Thank You. \x1b[9;1H \x1b[33;44mid\x1b[41m Software is: \x1b[10;1H PROGRAMMING: \x1b[37mJohn Carmack, Michael Abrash, John Cash \x1b[11;1H \x1b[33mDESIGN: \x1b[37mJohn Romero, Sandy Petersen, American McGee, Tim Willits \x1b[12;1H \x1b[33mART: \x1b[37mAdrian Carmack, Kevin Cloud \x1b[13;1H \x1b[33mBIZ: \x1b[37mJay Wilbur, Mike Wilson \x1b[33mPROJECTS MAN: \x1b[37mShawn Green \x1b[14;1H \x1b[33mBIZ ASSIST: \x1b[37mDonna Jackson \x1b[33mSUPPORT: \x1b[37mBarrett Alexander \x1b[15;1H \x1b[33mSOUND EFFECTS AND MUSIC: \x1b[37mTrent Reznor and Nine Inch Nails \x1b[16;1H \x1b[17;1H If you need help running QUAKE refer to the text files in the \x1b[18;1H QUAKE directory, or our website at http://www.idsoftware.com. \x1b[19;1H If all else fails, call our technical support at 1-800-IDGAMES. \x1b[20;1H \x1b[0;41mQuake is a trademark of Id Software, inc., (c)1996 Id Software, inc. \x1b[21;1H All rights reserved. NIN logo is a registered trademark licensed \x1b[22;1H to Nothing Interactive, Inc. All rights reserved. \x1b[23;1H\x1b[40m\x1b[0m";
133 fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
135 if (registered.value)
151 void Sys_Error (char *error, ...)
156 // change stdin to non blocking
157 fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
159 va_start (argptr,error);
160 vsprintf (string,error,argptr);
162 fprintf(stderr, "Error: %s\n", string);
169 void Sys_Warn (char *warning, ...)
174 va_start (argptr,warning);
175 vsprintf (string,warning,argptr);
177 fprintf(stderr, "Warning: %s", string);
184 returns -1 if not present
187 int Sys_FileTime (char *path)
191 if (stat (path,&buf) == -1)
198 void Sys_mkdir (char *path)
203 int Sys_FileOpenRead (char *path, int *handle)
206 struct stat fileinfo;
209 h = open (path, O_RDONLY, 0666);
214 if (fstat (h,&fileinfo) == -1)
215 Sys_Error ("Error fstating %s", path);
217 return fileinfo.st_size;
220 int Sys_FileOpenWrite (char *path)
226 handle = open(path,O_RDWR | O_CREAT | O_TRUNC
230 Sys_Error ("Error opening %s: %s", path,strerror(errno));
235 int Sys_FileWrite (int handle, void *src, int count)
237 return write (handle, src, count);
240 void Sys_FileClose (int handle)
245 void Sys_FileSeek (int handle, int position)
247 lseek (handle, position, SEEK_SET);
250 int Sys_FileRead (int handle, void *dest, int count)
252 return read (handle, dest, count);
255 void Sys_DebugLog(char *file, char *fmt, ...)
258 static char data[1024];
261 va_start(argptr, fmt);
262 vsprintf(data, fmt, argptr);
264 // fd = open(file, O_WRONLY | O_BINARY | O_CREAT | O_APPEND, 0666);
265 fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
266 write(fd, data, strlen(data));
270 void Sys_EditFile(char *filename)
277 term = getenv("TERM");
278 if (term && !strcmp(term, "xterm"))
280 editor = getenv("VISUAL");
282 editor = getenv("EDITOR");
284 editor = getenv("EDIT");
287 sprintf(cmd, "xterm -e %s %s", editor, filename);
293 double Sys_FloatTime (void)
299 gettimeofday(&tp, &tzp);
304 return tp.tv_usec/1000000.0;
307 return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
310 // =======================================================================
311 // Sleeps for microseconds
312 // =======================================================================
314 static volatile int oktogo;
316 void alarm_handler(int x)
321 void Sys_LineRefresh(void)
325 void floating_point_exception_handler(int whatever)
327 // Sys_Warn("floating point exception\n");
328 signal(SIGFPE, floating_point_exception_handler);
331 char *Sys_ConsoleInput(void)
333 static char text[256];
336 struct timeval timeout;
338 if (cls.state == ca_dedicated) {
340 FD_SET(0, &fdset); // stdin
343 if (select (1, &fdset, NULL, NULL, &timeout) == -1 || !FD_ISSET(0, &fdset))
346 len = read (0, text, sizeof(text));
349 text[len-1] = 0; // rip off the /n and terminate
357 void Sys_HighFPPrecision (void)
361 void Sys_LowFPPrecision (void)
366 int main (int c, char **v)
369 double time, oldtime, newtime;
372 extern int recording;
375 // static char cwd[1024];
377 // signal(SIGFPE, floating_point_exception_handler);
378 signal(SIGFPE, SIG_IGN);
380 memset(&parms, 0, sizeof(parms));
383 parms.argc = com_argc;
384 parms.argv = com_argv;
386 parms.memsize = 24*1024*1024;
388 j = COM_CheckParm("-mem");
390 parms.memsize = (int) (atof(com_argv[j+1]) * 1024 * 1024);
391 parms.membase = malloc (parms.memsize);
394 printf("Unable to allocate heap memory\n");
398 parms.basedir = basedir;
399 // caching is disabled by default, use -cachedir to enable
400 // parms.cachedir = cachedir;
402 fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
408 if (COM_CheckParm("-nostdout"))
412 fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
413 printf ("Linux DarkPlaces -- Version %0.3f\n", VERSION);
416 oldtime = Sys_FloatTime () - 0.1;
419 // find time spent rendering last frame
420 newtime = Sys_FloatTime ();
421 time = newtime - oldtime;
423 if (cls.state == ca_dedicated)
424 { // play vcrfiles at max speed
425 if (time < sys_ticrate.value && (vcrFile == -1 || recording) )
428 continue; // not time to run a server only tic yet
430 time = sys_ticrate.value;
433 if (time > sys_ticrate.value*2)
440 // graphic debugging aids
441 if (sys_linerefresh.value)
450 Sys_MakeCodeWriteable
453 void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
458 int psize = getpagesize();
460 addr = (startaddr & ~(psize-1)) - psize;
462 // fprintf(stderr, "writable code %lx(%lx)-%lx, length=%lx\n", startaddr,
463 // addr, startaddr+length, length);
465 r = mprotect((char*)addr, length + startaddr - addr + psize, 7);
468 Sys_Error("Protection change failed\n");