This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
*/
// sys_win.c -- Win32 system interface code
+#define WIN32_USETIMEGETTIME 0
+
#include "quakedef.h"
#include "winquake.h"
#include "errno.h"
#include "conproc.h"
#include "direct.h"
-#define CONSOLE_ERROR_TIMEOUT 60.0 // # of seconds to wait on Sys_Error running
- // dedicated before exiting
-#define PAUSE_SLEEP 50 // sleep time on pause or minimization
-#define NOT_FOCUS_SLEEP 20 // sleep time when not focus
+// # of seconds to wait on Sys_Error running dedicated before exiting
+#define CONSOLE_ERROR_TIMEOUT 60.0
+// sleep time on pause or minimization
+#define PAUSE_SLEEP 50
+// sleep time when not focus
+#define NOT_FOCUS_SLEEP 20
int starttime;
-qboolean ActiveApp, Minimized;
-qboolean WinNT;
-
-static double pfreq;
-static double curtime = 0.0;
-static double lastcurtime = 0.0;
-static int lowshift;
-qboolean isDedicated;
+
static qboolean sc_return_on_enter = false;
HANDLE hinput, houtput;
-static char *tracking_tag = "Clams & Mooses";
-
static HANDLE tevent;
static HANDLE hFile;
static HANDLE heventParent;
static HANDLE heventChild;
-void Sys_InitFloatTime (void);
-
-volatile int sys_checksum;
-
-
-/*
-================
-Sys_PageIn
-================
-*/
-/*
-void Sys_PageIn (void *ptr, int size)
-{
- byte *x;
- int m, n;
-
-// touch all the memory to make sure it's there. The 16-page skip is to
-// keep Win 95 from thinking we're trying to page ourselves in (we are
-// doing that, of course, but there's no reason we shouldn't)
- x = (byte *)ptr;
-
- for (n=0 ; n<4 ; n++)
- {
- for (m=0 ; m<(size - 16 * 0x1000) ; m += 4)
- {
- sys_checksum += *(int *)&x[m];
- sys_checksum += *(int *)&x[m + 16 * 0x1000];
- }
- }
-}
-*/
-
-
/*
===============================================================================
-FILE IO
+QFile IO
===============================================================================
*/
// LordHavoc: 256 pak files (was 10)
#define MAX_HANDLES 256
-FILE *sys_handles[MAX_HANDLES];
+QFile *sys_handles[MAX_HANDLES];
int findhandle (void)
{
int i;
-
+
for (i=1 ; i<MAX_HANDLES ; i++)
if (!sys_handles[i])
return i;
/*
================
-filelength
+Sys_FileLength
================
*/
-int filelength (FILE *f)
+int Sys_FileLength (QFile *f)
{
int pos;
int end;
- pos = ftell (f);
- fseek (f, 0, SEEK_END);
- end = ftell (f);
- fseek (f, pos, SEEK_SET);
+ pos = Qtell (f);
+ Qseek (f, 0, SEEK_END);
+ end = Qtell (f);
+ Qseek (f, pos, SEEK_SET);
return end;
}
int Sys_FileOpenRead (char *path, int *hndl)
{
- FILE *f;
+ QFile *f;
int i, retval;
i = findhandle ();
- f = fopen(path, "rb");
+ f = Qopen(path, "rbz");
if (!f)
{
{
sys_handles[i] = f;
*hndl = i;
- retval = filelength(f);
+ retval = Sys_FileLength(f);
}
return retval;
int Sys_FileOpenWrite (char *path)
{
- FILE *f;
+ QFile *f;
int i;
i = findhandle ();
- f = fopen(path, "wb");
+ f = Qopen(path, "wb");
if (!f)
- Host_Error ("Error opening %s: %s", path,strerror(errno));
+ {
+ Con_Printf("Sys_FileOpenWrite: Error opening %s: %s", path, strerror(errno));
+ return 0;
+ }
sys_handles[i] = f;
-
+
return i;
}
void Sys_FileClose (int handle)
{
- fclose (sys_handles[handle]);
+ Qclose (sys_handles[handle]);
sys_handles[handle] = NULL;
}
void Sys_FileSeek (int handle, int position)
{
- fseek (sys_handles[handle], position, SEEK_SET);
+ Qseek (sys_handles[handle], position, SEEK_SET);
}
int Sys_FileRead (int handle, void *dest, int count)
{
- return fread (dest, 1, count, sys_handles[handle]);
+ return Qread (sys_handles[handle], dest, count);
}
int Sys_FileWrite (int handle, void *data, int count)
{
- return fwrite (data, 1, count, sys_handles[handle]);
+ return Qwrite (sys_handles[handle], data, count);
}
int Sys_FileTime (char *path)
{
- FILE *f;
-
- f = fopen(path, "rb");
+ QFile *f;
+
+ f = Qopen(path, "rb");
if (f)
{
- fclose(f);
+ Qclose(f);
return 1;
}
-
+
return -1;
}
===============================================================================
*/
-#if NOTUSED
-/*
-================
-Sys_MakeCodeWriteable
-================
-*/
-void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
-{
- DWORD flOldProtect;
-
- if (!VirtualProtect((LPVOID)startaddr, length, PAGE_READWRITE, &flOldProtect))
- Sys_Error("Protection change failed\n");
-}
-#endif
-
-
-/*
-================
-Sys_Init
-================
-*/
-void Sys_Init (void)
-{
- LARGE_INTEGER PerformanceFreq;
- unsigned int lowpart, highpart;
- OSVERSIONINFO vinfo;
-
- if (!QueryPerformanceFrequency (&PerformanceFreq))
- Sys_Error ("No hardware timer available");
-
-// get 32 out of the 64 time bits such that we have around
-// 1 microsecond resolution
-#ifdef __BORLANDC__
- lowpart = (unsigned int)PerformanceFreq.u.LowPart;
- highpart = (unsigned int)PerformanceFreq.u.HighPart;
-#else
- lowpart = (unsigned int)PerformanceFreq.LowPart;
- highpart = (unsigned int)PerformanceFreq.HighPart;
-#endif
- lowshift = 0;
-
- while (highpart || (lowpart > 2000000.0))
- {
- lowshift++;
- lowpart >>= 1;
- lowpart |= (highpart & 1) << 31;
- highpart >>= 1;
- }
-
- pfreq = 1.0 / (double)lowpart;
-
- Sys_InitFloatTime ();
-
- vinfo.dwOSVersionInfoSize = sizeof(vinfo);
-
- if (!GetVersionEx (&vinfo))
- Sys_Error ("Couldn't get OS info");
-
- if ((vinfo.dwMajorVersion < 4) ||
- (vinfo.dwPlatformId == VER_PLATFORM_WIN32s))
- {
- Sys_Error ("WinQuake requires at least Win95 or NT 4.0");
- }
-
- if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
- WinNT = true;
- else
- WinNT = false;
-}
-
+void SleepUntilInput (int time);
void Sys_Error (char *error, ...)
{
vsprintf (text, error, argptr);
va_end (argptr);
- if (isDedicated)
+ if (cls.state == ca_dedicated)
{
va_start (argptr, error);
vsprintf (text, error, argptr);
WriteFile (houtput, text4, strlen (text4), &dummy, NULL);
- starttime = Sys_FloatTime ();
+ starttime = Sys_DoubleTime ();
sc_return_on_enter = true; // so Enter will get us out of here
- while (!Sys_ConsoleInput () &&
- ((Sys_FloatTime () - starttime) < CONSOLE_ERROR_TIMEOUT))
- {
- }
+ while (!Sys_ConsoleInput () && ((Sys_DoubleTime () - starttime) < CONSOLE_ERROR_TIMEOUT))
+ SleepUntilInput(1);
}
else
{
{
in_sys_error0 = 1;
VID_SetDefaultMode ();
- MessageBox(NULL, text, "Quake Error",
- MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
+ MessageBox(NULL, text, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
}
else
- {
- MessageBox(NULL, text, "Double Quake Error",
- MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
- }
+ MessageBox(NULL, text, "Double Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
}
if (!in_sys_error1)
exit (1);
}
-void Sys_Printf (char *fmt, ...)
-{
- va_list argptr;
- char text[1024];
- DWORD dummy;
-
- if (isDedicated)
- {
- va_start (argptr,fmt);
- vsprintf (text, fmt, argptr);
- va_end (argptr);
-
- WriteFile(houtput, text, strlen (text), &dummy, NULL);
- }
-}
-
void Sys_Quit (void)
{
-
Host_Shutdown();
if (tevent)
CloseHandle (tevent);
- if (isDedicated)
+ if (cls.state == ca_dedicated)
FreeConsole ();
// shut down QHOST hooks if necessary
/*
================
-Sys_FloatTime
+Sys_DoubleTime
================
*/
-double Sys_FloatTime (void)
+double Sys_DoubleTime (void)
{
- static int sametimecount;
- static unsigned int oldtime;
- static int first = 1;
- LARGE_INTEGER PerformanceCount;
- unsigned int temp, t2;
- double time;
+ static int first = true;
+ static double oldtime = 0.0, curtime = 0.0;
+ double newtime;
+ // 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 WIN32_USETIMEGETTIME
+ // timeGetTime
+ // platform:
+ // Windows 95/98/ME/NT/2000
+ // 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 (first)
+ timeBeginPeriod (1);
+
+ newtime = (double) timeGetTime () / 1000.0;
+#else
+ // QueryPerformanceCounter
+ // platform:
+ // Windows 95/98/ME/NT/2000
+ // 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)
+ static double timescale = 0.0;
+ LARGE_INTEGER PerformanceFreq;
+ LARGE_INTEGER PerformanceCount;
+ if (!QueryPerformanceFrequency (&PerformanceFreq))
+ Sys_Error ("No hardware timer available");
QueryPerformanceCounter (&PerformanceCount);
#ifdef __BORLANDC__
- temp = ((unsigned int)PerformanceCount.u.LowPart >> lowshift) |
- ((unsigned int)PerformanceCount.u.HighPart << (32 - lowshift));
+ 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
-
- temp = ((unsigned int)PerformanceCount.LowPart >> lowshift) |
- ((unsigned int)PerformanceCount.HighPart << (32 - lowshift));
+ 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
#endif
+
if (first)
{
- oldtime = temp;
- first = 0;
- }
- else
- {
- // check for turnover or backward time
- if ((temp <= oldtime) && ((oldtime - temp) < 0x10000000))
- {
- oldtime = temp; // so we can't get stuck
- }
- else
- {
- t2 = temp - oldtime;
-
- time = (double)t2 * pfreq;
- oldtime = temp;
-
- curtime += time;
-
- if (curtime == lastcurtime)
- {
- sametimecount++;
-
- if (sametimecount > 100000)
- {
- curtime += 1.0;
- sametimecount = 0;
- }
- }
- else
- {
- sametimecount = 0;
- }
-
- lastcurtime = curtime;
- }
+ first = false;
+ oldtime = newtime;
}
- return curtime;
-}
-
-
-/*
-================
-Sys_InitFloatTime
-================
-*/
-void Sys_InitFloatTime (void)
-{
- int j;
-
- Sys_FloatTime ();
-
- j = COM_CheckParm("-starttime");
-
- if (j)
- {
- curtime = (double) (atof(com_argv[j+1]));
- }
+ if (newtime < oldtime)
+ Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
else
- {
- curtime = 0.0;
- }
+ curtime += newtime - oldtime;
+ oldtime = newtime;
- lastcurtime = curtime;
+ return curtime;
}
char *Sys_ConsoleInput (void)
{
- static char text[256];
- static int len;
- INPUT_RECORD recs[1024];
- int dummy;
- int ch, numread, numevents;
+ static char text[256];
+ static int len;
+ INPUT_RECORD recs[1024];
+ int ch;
+ DWORD numread, numevents, dummy;
- if (!isDedicated)
+ if (cls.state != ca_dedicated)
return NULL;
switch (ch)
{
case '\r':
- WriteFile(houtput, "\r\n", 2, &dummy, NULL);
+ WriteFile(houtput, "\r\n", 2, &dummy, NULL);
if (len)
{
break;
case '\b':
- WriteFile(houtput, "\b \b", 3, &dummy, NULL);
+ WriteFile(houtput, "\b \b", 3, &dummy, NULL);
if (len)
{
len--;
default:
if (ch >= ' ')
{
- WriteFile(houtput, &ch, 1, &dummy, NULL);
+ WriteFile(houtput, &ch, 1, &dummy, NULL);
text[len] = ch;
len = (len + 1) & 0xff;
}
void Sys_SendKeyEvents (void)
{
- MSG msg;
+ MSG msg;
while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
{
if (!GetMessage (&msg, NULL, 0, 0))
Sys_Quit ();
- TranslateMessage (&msg);
- DispatchMessage (&msg);
+ TranslateMessage (&msg);
+ DispatchMessage (&msg);
}
}
/*
==============================================================================
- WINDOWS CRAP
+WINDOWS CRAP
==============================================================================
*/
-/*
-==================
-WinMain
-==================
-*/
void SleepUntilInput (int time)
{
-
MsgWaitForMultipleObjects(1, &tevent, false, time, QS_ALLINPUT);
}
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
- double time, oldtime, newtime/*, timediff*/;
+ double frameoldtime, framenewtime;
MEMORYSTATUS lpBuffer;
static char cwd[1024];
int t;
- /* previous instances do not exist in Win32 */
- if (hPrevInstance)
- return 0;
+ /* previous instances do not exist in Win32 */
+ if (hPrevInstance)
+ return 0;
global_hInstance = hInstance;
global_nCmdShow = nCmdShow;
*lpCmdLine = 0;
lpCmdLine++;
}
-
+
}
}
host_parms.argc = com_argc;
host_parms.argv = com_argv;
- isDedicated = (COM_CheckParm ("-dedicated") != 0);
-
-// take the greater of all the available memory or half the total memory,
-// but at least 8 Mb and no more than 16 Mb, unless they explicitly
-// request otherwise
- /*
- host_parms.memsize = lpBuffer.dwAvailPhys;
-
- if (host_parms.memsize < MINIMUM_WIN_MEMORY)
- host_parms.memsize = MINIMUM_WIN_MEMORY;
-
- if (host_parms.memsize < (lpBuffer.dwTotalPhys >> 1))
- host_parms.memsize = lpBuffer.dwTotalPhys >> 1;
-
- if (host_parms.memsize > MAXIMUM_WIN_MEMORY)
- host_parms.memsize = MAXIMUM_WIN_MEMORY;
- */
-
-// Sys_PageIn (parms.membase, parms.memsize);
+ Sys_Shared_EarlyInit();
tevent = CreateEvent(NULL, false, false, NULL);
if (!tevent)
Sys_Error ("Couldn't create event");
- if (isDedicated)
+ // LordHavoc: can't check cls.state because it hasn't been initialized yet
+ // if (cls.state == ca_dedicated)
+ if (COM_CheckParm("-dedicated"))
{
if (!AllocConsole ())
- {
Sys_Error ("Couldn't create dedicated server console");
- }
hinput = GetStdHandle (STD_INPUT_HANDLE);
houtput = GetStdHandle (STD_OUTPUT_HANDLE);
if (t < com_argc)
hFile = (HANDLE)atoi (com_argv[t+1]);
}
-
+
if ((t = COM_CheckParm ("-HPARENT")) > 0)
{
if (t < com_argc)
heventParent = (HANDLE)atoi (com_argv[t+1]);
}
-
+
if ((t = COM_CheckParm ("-HCHILD")) > 0)
{
if (t < com_argc)
InitConProc (hFile, heventParent, heventChild);
}
- Sys_Init ();
-
// because sound is off until we become active
S_BlockSound ();
- Sys_Printf ("Host_Init\n");
Host_Init ();
- oldtime = Sys_FloatTime ();
+ Sys_Shared_LateInit();
- /* main window message loop */
+ frameoldtime = Sys_DoubleTime ();
+
+ /* main window message loop */
while (1)
{
- if (isDedicated)
- {
- newtime = Sys_FloatTime ();
- time = newtime - oldtime;
-
- while (time < sys_ticrate.value )
- {
- Sys_Sleep();
- newtime = Sys_FloatTime ();
- time = newtime - oldtime;
- }
- }
- else
+ if (cls.state != ca_dedicated)
{
// yield the CPU for a little while when paused, minimized, or not the focus
- if ((cl.paused && (!ActiveApp && !DDActive)) || Minimized)
+ if ((cl.paused && !vid_activewindow) || vid_hidden)
{
SleepUntilInput (PAUSE_SLEEP);
scr_skipupdate = 1; // no point in bothering to draw
}
- else if (!ActiveApp && !DDActive)
- {
+ else if (!vid_activewindow)
SleepUntilInput (NOT_FOCUS_SLEEP);
- }
- /*
- else if (!cls.timedemo && time < (timediff = 1.0 / maxfps.value))
- {
- newtime = Sys_FloatTime ();
- time = newtime - oldtime;
-
- while (time < timediff)
- {
- Sys_Sleep();
- newtime = Sys_FloatTime ();
- time = newtime - oldtime;
- }
- }
- */
-
- newtime = Sys_FloatTime ();
- time = newtime - oldtime;
}
- Host_Frame (time);
- oldtime = newtime;
+ framenewtime = Sys_DoubleTime ();
+ Host_Frame (framenewtime - frameoldtime);
+ frameoldtime = framenewtime;
}
- /* return success of application */
- return true;
+ /* return success of application */
+ return true;
}
projects / xonotic / darkplaces.git / blobdiff