-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#ifdef WIN32
+#include <io.h>
+#include "conio.h"
+#else
#include <unistd.h>
#include <fcntl.h>
+#include <sys/time.h>
+#endif
#include <signal.h>
-#include <limits.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <sys/mman.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-#include <time.h>
#include "quakedef.h"
+
+#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_Quit (void)
+void Sys_Shutdown (void)
{
- Host_Shutdown();
+#ifndef WIN32
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
+#endif
fflush(stdout);
- exit(0);
}
void Sys_Error (const char *error, ...)
{
va_list argptr;
- char string[1024];
+ char string[MAX_INPUTLINE];
// change stdin to non blocking
+#ifndef WIN32
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
+#endif
va_start (argptr,error);
- vsprintf (string,error,argptr);
+ dpvsnprintf (string, sizeof (string), error, argptr);
va_end (argptr);
- fprintf(stderr, "Error: %s\n", string);
+
+ Con_Printf ("Quake Error: %s\n", string);
Host_Shutdown ();
exit (1);
-
}
-void Sys_Warn (const char *warning, ...)
+void Sys_PrintToTerminal(const char *text)
{
- va_list argptr;
- char string[1024];
-
- va_start (argptr,warning);
- vsprintf (string,warning,argptr);
- va_end (argptr);
- fprintf(stderr, "Warning: %s", string);
+#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);
}
double Sys_DoubleTime (void)
static int first = true;
static double oldtime = 0.0, curtime = 0.0;
double newtime;
+#ifdef WIN32
+#include <mmsystem.h>
+ // 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;
+ }
+
+ 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
if (first)
{
return curtime;
}
-// =======================================================================
-// Sleeps for microseconds
-// =======================================================================
-
-static volatile int oktogo;
-
-void alarm_handler(int x)
-{
- oktogo=1;
-}
-
-void floating_point_exception_handler(int whatever)
-{
- signal(SIGFPE, floating_point_exception_handler);
-}
-
char *Sys_ConsoleInput(void)
{
- static char text[256];
- int len;
- fd_set fdset;
- struct timeval timeout;
-
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))
- return NULL;
+ 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;
+}
- len = read (0, text, sizeof(text));
- if (len < 1)
- return NULL;
- text[len-1] = 0; // rip off the /n and terminate
+void Sys_Sleep(int milliseconds)
+{
+ if (milliseconds < 1)
+ milliseconds = 1;
+#ifdef WIN32
+ Sleep(milliseconds);
+#else
+ usleep(milliseconds * 1000);
+#endif
+}
- return text;
- }
+char *Sys_GetClipboardData (void)
+{
return NULL;
}
-void Sys_Sleep(void)
+void Sys_InitConsole (void)
{
- usleep(1);
}
-int main (int argc, const char **argv)
+void Sys_Init_Commands (void)
+{
+}
+
+int main (int argc, char **argv)
{
double frameoldtime, framenewtime;
signal(SIGFPE, SIG_IGN);
com_argc = argc;
- com_argv = argv;
+ com_argv = (const char **)argv;
+#ifndef WIN32
fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
-
- Sys_Shared_EarlyInit();
+#endif
Host_Init();
- Sys_Shared_LateInit();
-
frameoldtime = Sys_DoubleTime () - 0.1;
while (1)
{
projects / xonotic / darkplaces.git / blobdiff