X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=sys_linux.c;h=6a876d1b029086fce435cb5e0d1c6027c1ff6833;hp=da6ae1d7f5748b2d8de8d78e86f11ec50b5e45a0;hb=3c8da461b7565f9c6524c48aecc362270815c3ee;hpb=1ea7f3745d3c5af54cf943dd8a2ca5b5804a521e diff --git a/sys_linux.c b/sys_linux.c index da6ae1d7..6a876d1b 100644 --- a/sys_linux.c +++ b/sys_linux.c @@ -1,500 +1,256 @@ -#include -#include -#include +#include "quakedef.h" -#include -#include +#ifdef WIN32 +#include +#include "conio.h" +#else #include #include +#include +#endif #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "quakedef.h" -qboolean isDedicated; - -int nostdout = 0; - -char *basedir = "."; -char *cachedir = "/tmp"; - -cvar_t sys_linerefresh = {"sys_linerefresh","0"};// set for entity display - -extern cvar_t timestamps; -extern cvar_t timeformat; - -/* The translation table between the graphical font and plain ASCII --KB */ -static char qfont_table[256] = { - '\0', '#', '#', '#', '#', '.', '#', '#', - '#', 9, 10, '#', ' ', 13, '.', '.', - '[', ']', '0', '1', '2', '3', '4', '5', - '6', '7', '8', '9', '.', '<', '=', '>', - ' ', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', - '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', - 'x', 'y', 'z', '{', '|', '}', '~', '<', - - '<', '=', '>', '#', '#', '.', '#', '#', - '#', '#', ' ', '#', ' ', '>', '.', '.', - '[', ']', '0', '1', '2', '3', '4', '5', - '6', '7', '8', '9', '.', '<', '=', '>', - ' ', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', - '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', - 'x', 'y', 'z', '{', '|', '}', '~', '<' -}; +#ifdef WIN32 +cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1", "use windows timeGetTime function (which has issues on some motherboards) for timing rather than QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power)"}; +#endif + + // ======================================================================= // General routines // ======================================================================= - -void Sys_DebugNumber(int y, int val) -{ -} - -/* -void Sys_Printf (char *fmt, ...) -{ - va_list argptr; - char text[1024]; - - va_start (argptr,fmt); - vsprintf (text,fmt,argptr); - va_end (argptr); - fprintf(stderr, "%s", text); - - Con_Print (text); -} - -void Sys_Printf (char *fmt, ...) -{ - - va_list argptr; - char text[1024], *t_p; - int l, r; - - if (nostdout) - return; - - va_start (argptr,fmt); - vsprintf (text,fmt,argptr); - va_end (argptr); - - l = strlen(text); - t_p = text; - -// make sure everything goes through, even though we are non-blocking - while (l) - { - r = write (1, text, l); - if (r != l) - sleep (0); - if (r > 0) - { - t_p += r; - l -= r; - } - } - -} -*/ - -#define MAX_PRINT_MSG 4096 -void Sys_Printf (char *fmt, ...) +void Sys_Shutdown (void) { - va_list argptr; - char start[MAX_PRINT_MSG]; // String we started with - char stamp[MAX_PRINT_MSG]; // Time stamp - char final[MAX_PRINT_MSG]; // String we print - - time_t mytime = 0; - struct tm *local = NULL; - - unsigned char *p; - - va_start (argptr, fmt); - vsnprintf (start, sizeof(start), fmt, argptr); - va_end (argptr); - - if (nostdout) - return; - - if (timestamps.value) { - mytime = time (NULL); - local = localtime (&mytime); - strftime (stamp, sizeof (stamp), timeformat.string, local); - - snprintf (final, sizeof (final), "%s%s", stamp, start); - } else { - snprintf (final, sizeof (final), "%s", start); - } - - for (p = (unsigned char *) final; *p; p++) { - putc (qfont_table[*p], stdout); - } - fflush (stdout); -} - -#if 0 -static char end1[] = -"\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 r -egistered trademark licensed to \x1b[22;1H Nothing Interactive, Inc. All rights reserved. \x1b[40m\x1b[23;1H\x1b[0m"; -static char end2[] = -"\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. N -IN logo is a registered trademark licensed \x1b[22;1H to Nothing Interactive, Inc. All rights reserved. \x1b[23;1H\x1b[40m\x1b[0m"; - -#endif -void Sys_Quit (void) -{ - Host_Shutdown(); - fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); -#if 0 - if (registered.value) - printf("%s", end2); - else - printf("%s", end1); +#ifndef WIN32 + fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); #endif fflush(stdout); - exit(0); } -void Sys_Init(void) +void Sys_Error (const char *error, ...) { -} - -void Sys_Error (char *error, ...) -{ - va_list argptr; - char string[1024]; + va_list argptr; + char string[MAX_INPUTLINE]; // change stdin to non blocking - fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); - - va_start (argptr,error); - vsprintf (string,error,argptr); - va_end (argptr); - fprintf(stderr, "Error: %s\n", string); - - Host_Shutdown (); - exit (1); - -} - -void Sys_Warn (char *warning, ...) -{ - va_list argptr; - char string[1024]; - - va_start (argptr,warning); - vsprintf (string,warning,argptr); - va_end (argptr); - fprintf(stderr, "Warning: %s", string); -} - -/* -============ -Sys_FileTime - -returns -1 if not present -============ -*/ -int Sys_FileTime (char *path) -{ - struct stat buf; - - if (stat (path,&buf) == -1) - return -1; - - return buf.st_mtime; -} - - -void Sys_mkdir (char *path) -{ - mkdir (path, 0777); -} - -int Sys_FileOpenRead (char *path, int *handle) -{ - int h; - struct stat fileinfo; - - - h = open (path, O_RDONLY, 0666); - *handle = h; - if (h == -1) - return -1; - - if (fstat (h,&fileinfo) == -1) - Sys_Error ("Error fstating %s", path); - - return fileinfo.st_size; -} - -int Sys_FileOpenWrite (char *path) -{ - int handle; - - umask (0); - - handle = open(path,O_RDWR | O_CREAT | O_TRUNC - , 0666); - - if (handle == -1) - Sys_Error ("Error opening %s: %s", path,strerror(errno)); - - return handle; -} +#ifndef WIN32 + fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); +#endif -int Sys_FileWrite (int handle, void *src, int count) -{ - return write (handle, src, count); -} + va_start (argptr,error); + dpvsnprintf (string, sizeof (string), error, argptr); + va_end (argptr); -void Sys_FileClose (int handle) -{ - close (handle); -} + Con_Printf ("Quake Error: %s\n", string); -void Sys_FileSeek (int handle, int position) -{ - lseek (handle, position, SEEK_SET); + Host_Shutdown (); + exit (1); } -int Sys_FileRead (int handle, void *dest, int count) +void Sys_PrintToTerminal(const char *text) { - return read (handle, dest, count); +#ifndef WIN32 + // BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0). + int origflags = fcntl (1, F_GETFL, 0); + fcntl (1, F_SETFL, origflags & ~FNDELAY); +#endif + while(*text) + { + int written = (int)write(1, text, (int)strlen(text)); + if(written <= 0) + break; // sorry, I cannot do anything about this error - without an output + text += written; + } +#ifndef WIN32 + fcntl (1, F_SETFL, origflags); +#endif + //fprintf(stdout, "%s", text); } -void Sys_DebugLog(char *file, char *fmt, ...) +double Sys_DoubleTime (void) { - va_list argptr; - static char data[1024]; - int fd; - - va_start(argptr, fmt); - vsprintf(data, fmt, argptr); - va_end(argptr); -// fd = open(file, O_WRONLY | O_BINARY | O_CREAT | O_APPEND, 0666); - fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666); - write(fd, data, strlen(data)); - close(fd); -} + static int first = true; + static double oldtime = 0.0, curtime = 0.0; + double newtime; +#ifdef WIN32 +#include + // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine. + if (sys_usetimegettime.integer) + { + static int firsttimegettime = true; + // timeGetTime + // platform: + // Windows 95/98/ME/NT/2000/XP + // features: + // reasonable accuracy (millisecond) + // issues: + // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter) + + // make sure the timer is high precision, otherwise different versions of windows have varying accuracy + if (firsttimegettime) + { + timeBeginPeriod (1); + firsttimegettime = false; + } -void Sys_EditFile(char *filename) -{ + newtime = (double) timeGetTime () / 1000.0; + } + else + { + // QueryPerformanceCounter + // platform: + // Windows 95/98/ME/NT/2000/XP + // features: + // very accurate (CPU cycles) + // known issues: + // does not necessarily match realtime too well (tends to get faster and faster in win98) + // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors) + double timescale; + LARGE_INTEGER PerformanceFreq; + LARGE_INTEGER PerformanceCount; + + if (!QueryPerformanceFrequency (&PerformanceFreq)) + { + Con_Printf ("No hardware timer available\n"); + // fall back to timeGetTime + Cvar_SetValueQuick(&sys_usetimegettime, true); + return Sys_DoubleTime(); + } + QueryPerformanceCounter (&PerformanceCount); + + #ifdef __BORLANDC__ + timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0); + newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale; + #else + timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0); + newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale; + #endif + } +#else + struct timeval tp; + gettimeofday(&tp, NULL); + newtime = (double) tp.tv_sec + tp.tv_usec / 1000000.0; +#endif - char cmd[256]; - char *term; - char *editor; + if (first) + { + first = false; + oldtime = newtime; + } - term = getenv("TERM"); - if (term && !strcmp(term, "xterm")) + if (newtime < oldtime) { - editor = getenv("VISUAL"); - if (!editor) - editor = getenv("EDITOR"); - if (!editor) - editor = getenv("EDIT"); - if (!editor) - editor = "vi"; - sprintf(cmd, "xterm -e %s %s", editor, filename); - system(cmd); + // warn if it's significant + if (newtime - oldtime < -0.01) + Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime); } + else + curtime += newtime - oldtime; + oldtime = newtime; + return curtime; } -double Sys_FloatTime (void) +char *Sys_ConsoleInput(void) { - struct timeval tp; - struct timezone tzp; - static int secbase; - - gettimeofday(&tp, &tzp); - - if (!secbase) - { - secbase = tp.tv_sec; - return tp.tv_usec/1000000.0; - } - - return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0; + if (cls.state == ca_dedicated) + { + static char text[MAX_INPUTLINE]; + static unsigned int len = 0; +#ifdef WIN32 + int c; + + // read a line out + while (_kbhit ()) + { + c = _getch (); + if (c == '\r') + { + text[len] = '\0'; + putch ('\n'); + len = 0; + return text; + } + if (c == '\b') + { + if (len) + { + putch (c); + putch (' '); + putch (c); + len--; + } + continue; + } + if (len < sizeof (text) - 1) + { + putch (c); + text[len] = c; + len++; + } + } +#else + fd_set fdset; + struct timeval timeout; + FD_ZERO(&fdset); + FD_SET(0, &fdset); // stdin + timeout.tv_sec = 0; + timeout.tv_usec = 0; + if (select (1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(0, &fdset)) + { + len = read (0, text, sizeof(text)); + if (len >= 1) + { + // rip off the \n and terminate + text[len-1] = 0; + return text; + } + } +#endif + } + return NULL; } -// ======================================================================= -// Sleeps for microseconds -// ======================================================================= - -static volatile int oktogo; - -void alarm_handler(int x) +void Sys_Sleep(int microseconds) { - oktogo=1; +#ifdef WIN32 + if (microseconds < 1000) + microseconds = 1000; + Sleep(microseconds / 1000); +#else + if (microseconds < 1) + microseconds = 1; + usleep(microseconds); +#endif } -void Sys_LineRefresh(void) +char *Sys_GetClipboardData (void) { + return NULL; } -void floating_point_exception_handler(int whatever) +void Sys_InitConsole (void) { -// Sys_Warn("floating point exception\n"); - signal(SIGFPE, floating_point_exception_handler); } -char *Sys_ConsoleInput(void) +void Sys_Init_Commands (void) { - static char text[256]; - int len; - fd_set fdset; - struct timeval timeout; - - if (cls.state == ca_dedicated) { - FD_ZERO(&fdset); - FD_SET(0, &fdset); // stdin - timeout.tv_sec = 0; - timeout.tv_usec = 0; - if (select (1, &fdset, NULL, NULL, &timeout) == -1 || !FD_ISSET(0, &fdset)) - return NULL; - - len = read (0, text, sizeof(text)); - if (len < 1) - return NULL; - text[len-1] = 0; // rip off the /n and terminate - - return text; - } - return NULL; } -int main (int c, char **v) +int main (int argc, char **argv) { - - double time, oldtime, newtime; - extern int vcrFile; - extern int recording; - int j; - -// static char cwd[1024]; - -// signal(SIGFPE, floating_point_exception_handler); signal(SIGFPE, SIG_IGN); - memset(&host_parms, 0, sizeof(host_parms)); - - COM_InitArgv(c, v); - host_parms.argc = com_argc; - host_parms.argv = com_argv; - - host_parms.memsize = DEFAULTMEM * 1024*1024; - - j = COM_CheckParm("-mem"); - if (j) - host_parms.memsize = (int) (atof(com_argv[j+1]) * 1024 * 1024); - host_parms.membase = qmalloc(host_parms.memsize); - if (!host_parms.membase) - { - printf("Unable to allocate heap memory\n"); - return 1; - } - - host_parms.basedir = basedir; -// caching is disabled by default, use -cachedir to enable -// host_parms.cachedir = cachedir; + com_argc = argc; + com_argv = (const char **)argv; +#ifndef WIN32 fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY); +#endif - Host_Init(); - - Sys_Init(); - - if (COM_CheckParm("-nostdout")) - nostdout = 1; - else - { - fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY); - printf ("Linux DarkPlaces -- Version %0.3f (build %i)\n", VERSION, buildnumber); - } - - oldtime = Sys_FloatTime () - 0.1; - while (1) - { - // find time spent rendering last frame - newtime = Sys_FloatTime (); - time = newtime - oldtime; - - if (cls.state == ca_dedicated) - { // play vcrfiles at max speed - if (time < sys_ticrate.value && (vcrFile == -1 || recording) ) - { - usleep(1); - continue; // not time to run a server only tic yet - } - time = sys_ticrate.value; - } - - if (time > sys_ticrate.value*2) - oldtime = newtime; - else - oldtime += time; - - Host_Frame (time); + Host_Main(); - // graphic debugging aids - if (sys_linerefresh.value) - Sys_LineRefresh (); - } return 0; } - - -/* -================ -Sys_MakeCodeWriteable -================ -*/ -void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length) -{ - - int r; - unsigned long addr; - int psize = getpagesize(); - - addr = (startaddr & ~(psize-1)) - psize; - -// fprintf(stderr, "writable code %lx(%lx)-%lx, length=%lx\n", startaddr, -// addr, startaddr+length, length); - - r = mprotect((char*)addr, length + startaddr - addr + psize, 7); - - if (r < 0) - Sys_Error("Protection change failed\n"); - -} -