0,0 → 1,457 |
#include <unistd.h> |
#include <signal.h> |
#include <stdlib.h> |
#include <limits.h> |
#include <sys/time.h> |
#include <sys/types.h> |
#include <unistd.h> |
#include <fcntl.h> |
#include <stdarg.h> |
#include <stdio.h> |
#include <sys/ipc.h> |
#include <sys/shm.h> |
#include <sys/stat.h> |
#include <string.h> |
#include <ctype.h> |
#include <sys/wait.h> |
#include <sys/mman.h> |
#include <errno.h> |
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#include "quakedef.h" |
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qboolean isDedicated; |
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int nostdout = 0; |
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char *basedir = "."; |
char *cachedir = "/tmp"; |
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cvar_t sys_linerefresh = {"sys_linerefresh","0"};// set for entity display |
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// ======================================================================= |
// General routines |
// ======================================================================= |
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void Sys_DebugNumber(int y, int val) |
{ |
} |
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/* |
void Sys_Printf (char *fmt, ...) |
{ |
va_list argptr; |
char text[1024]; |
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va_start (argptr,fmt); |
vsprintf (text,fmt,argptr); |
va_end (argptr); |
fprintf(stderr, "%s", text); |
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Con_Print (text); |
} |
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void Sys_Printf (char *fmt, ...) |
{ |
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va_list argptr; |
char text[1024], *t_p; |
int l, r; |
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if (nostdout) |
return; |
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va_start (argptr,fmt); |
vsprintf (text,fmt,argptr); |
va_end (argptr); |
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l = strlen(text); |
t_p = text; |
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// 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; |
} |
} |
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} |
*/ |
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void Sys_Printf (char *fmt, ...) |
{ |
va_list argptr; |
char text[1024]; |
unsigned char *p; |
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va_start (argptr,fmt); |
vsprintf (text,fmt,argptr); |
va_end (argptr); |
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if (strlen(text) > sizeof(text)) |
Sys_Error("memory overwrite in Sys_Printf"); |
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if (nostdout) |
return; |
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for (p = (unsigned char *)text; *p; p++) { |
*p &= 0x7f; |
if ((*p > 128 || *p < 32) && *p != 10 && *p != 13 && *p != 9) |
printf("[%02x]", *p); |
else |
putc(*p, stdout); |
} |
} |
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#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 registered 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. NIN logo is a registered trademark licensed \x1b[22;1H to Nothing Interactive, Inc. All rights reserved. \x1b[23;1H\x1b[40m\x1b[0m"; |
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#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); |
#endif |
fflush(stdout); |
exit(0); |
} |
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void Sys_Init(void) |
{ |
#if id386 |
Sys_SetFPCW(); |
#endif |
} |
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void Sys_Error (char *error, ...) |
{ |
va_list argptr; |
char string[1024]; |
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// change stdin to non blocking |
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); |
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va_start (argptr,error); |
vsprintf (string,error,argptr); |
va_end (argptr); |
fprintf(stderr, "Error: %s\n", string); |
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Host_Shutdown (); |
exit (1); |
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} |
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void Sys_Warn (char *warning, ...) |
{ |
va_list argptr; |
char string[1024]; |
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va_start (argptr,warning); |
vsprintf (string,warning,argptr); |
va_end (argptr); |
fprintf(stderr, "Warning: %s", string); |
} |
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/* |
============ |
Sys_FileTime |
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returns -1 if not present |
============ |
*/ |
int Sys_FileTime (char *path) |
{ |
struct stat buf; |
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if (stat (path,&buf) == -1) |
return -1; |
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return buf.st_mtime; |
} |
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void Sys_mkdir (char *path) |
{ |
mkdir (path, 0777); |
} |
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int Sys_FileOpenRead (char *path, int *handle) |
{ |
int h; |
struct stat fileinfo; |
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h = open (path, O_RDONLY, 0666); |
*handle = h; |
if (h == -1) |
return -1; |
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if (fstat (h,&fileinfo) == -1) |
Sys_Error ("Error fstating %s", path); |
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return fileinfo.st_size; |
} |
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int Sys_FileOpenWrite (char *path) |
{ |
int handle; |
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umask (0); |
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handle = open(path,O_RDWR | O_CREAT | O_TRUNC |
, 0666); |
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if (handle == -1) |
Sys_Error ("Error opening %s: %s", path,strerror(errno)); |
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return handle; |
} |
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int Sys_FileWrite (int handle, void *src, int count) |
{ |
return write (handle, src, count); |
} |
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void Sys_FileClose (int handle) |
{ |
close (handle); |
} |
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void Sys_FileSeek (int handle, int position) |
{ |
lseek (handle, position, SEEK_SET); |
} |
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int Sys_FileRead (int handle, void *dest, int count) |
{ |
return read (handle, dest, count); |
} |
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void Sys_DebugLog(char *file, char *fmt, ...) |
{ |
va_list argptr; |
static char data[1024]; |
int fd; |
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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); |
} |
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void Sys_EditFile(char *filename) |
{ |
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char cmd[256]; |
char *term; |
char *editor; |
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term = getenv("TERM"); |
if (term && !strcmp(term, "xterm")) |
{ |
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); |
} |
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} |
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double Sys_FloatTime (void) |
{ |
struct timeval tp; |
struct timezone tzp; |
static int secbase; |
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gettimeofday(&tp, &tzp); |
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if (!secbase) |
{ |
secbase = tp.tv_sec; |
return tp.tv_usec/1000000.0; |
} |
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return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0; |
} |
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// ======================================================================= |
// Sleeps for microseconds |
// ======================================================================= |
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static volatile int oktogo; |
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void alarm_handler(int x) |
{ |
oktogo=1; |
} |
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void Sys_LineRefresh(void) |
{ |
} |
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void floating_point_exception_handler(int whatever) |
{ |
// Sys_Warn("floating point exception\n"); |
signal(SIGFPE, floating_point_exception_handler); |
} |
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char *Sys_ConsoleInput(void) |
{ |
static char text[256]; |
int len; |
fd_set fdset; |
struct timeval timeout; |
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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; |
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len = read (0, text, sizeof(text)); |
if (len < 1) |
return NULL; |
text[len-1] = 0; // rip off the /n and terminate |
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return text; |
} |
return NULL; |
} |
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#if !id386 |
void Sys_HighFPPrecision (void) |
{ |
} |
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void Sys_LowFPPrecision (void) |
{ |
} |
#endif |
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int main (int c, char **v) |
{ |
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double time, oldtime, newtime; |
quakeparms_t parms; |
extern int vcrFile; |
extern int recording; |
int j; |
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// static char cwd[1024]; |
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// signal(SIGFPE, floating_point_exception_handler); |
signal(SIGFPE, SIG_IGN); |
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memset(&parms, 0, sizeof(parms)); |
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COM_InitArgv(c, v); |
parms.argc = com_argc; |
parms.argv = com_argv; |
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#ifdef GLQUAKE |
parms.memsize = 16*1024*1024; |
#else |
parms.memsize = 8*1024*1024; |
#endif |
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j = COM_CheckParm("-mem"); |
if (j) |
parms.memsize = (int) (Q_atof(com_argv[j+1]) * 1024 * 1024); |
parms.membase = malloc (parms.memsize); |
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parms.basedir = basedir; |
// caching is disabled by default, use -cachedir to enable |
// parms.cachedir = cachedir; |
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fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY); |
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Host_Init(&parms); |
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Sys_Init(); |
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if (COM_CheckParm("-nostdout")) |
nostdout = 1; |
else { |
fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY); |
printf ("Linux Quake -- Version %0.3f\n", LINUX_VERSION); |
} |
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oldtime = Sys_FloatTime () - 0.1; |
while (1) |
{ |
// find time spent rendering last frame |
newtime = Sys_FloatTime (); |
time = newtime - oldtime; |
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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; |
} |
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if (time > sys_ticrate.value*2) |
oldtime = newtime; |
else |
oldtime += time; |
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Host_Frame (time); |
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// graphic debugging aids |
if (sys_linerefresh.value) |
Sys_LineRefresh (); |
} |
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} |
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/* |
================ |
Sys_MakeCodeWriteable |
================ |
*/ |
void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length) |
{ |
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int r; |
unsigned long addr; |
int psize = getpagesize(); |
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addr = (startaddr & ~(psize-1)) - psize; |
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// fprintf(stderr, "writable code %lx(%lx)-%lx, length=%lx\n", startaddr, |
// addr, startaddr+length, length); |
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r = mprotect((char*)addr, length + startaddr - addr + psize, 7); |
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if (r < 0) |
Sys_Error("Protection change failed\n"); |
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} |
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