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
+cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1"};
+
+// # 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;
static qboolean sc_return_on_enter = false;
HANDLE hinput, houtput;
static HANDLE heventParent;
static HANDLE heventChild;
+
/*
===============================================================================
-QFile IO
+DLL MANAGEMENT
===============================================================================
*/
-// LordHavoc: 256 pak files (was 10)
-#define MAX_HANDLES 256
-QFile *sys_handles[MAX_HANDLES];
-
-int findhandle (void)
-{
- int i;
-
- for (i=1 ; i<MAX_HANDLES ; i++)
- if (!sys_handles[i])
- return i;
- Sys_Error ("out of handles");
- return -1;
-}
-
-/*
-================
-Sys_FileLength
-================
-*/
-int Sys_FileLength (QFile *f)
-{
- int pos;
- int end;
-
- 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)
-{
- QFile *f;
- int i, retval;
-
- i = findhandle ();
-
- f = Qopen(path, "rbz");
-
- if (!f)
- {
- *hndl = -1;
- retval = -1;
- }
- else
- {
- sys_handles[i] = f;
- *hndl = i;
- retval = Sys_FileLength(f);
- }
-
- return retval;
-}
-
-int Sys_FileOpenWrite (char *path)
-{
- QFile *f;
- int i;
-
- i = findhandle ();
-
- f = Qopen(path, "wb");
- if (!f)
- {
- Con_Printf("Sys_FileOpenWrite: Error opening %s: %s", path, strerror(errno));
- return 0;
- }
- sys_handles[i] = f;
-
- return i;
-}
-
-void Sys_FileClose (int handle)
+dllhandle_t Sys_LoadLibrary (const char* name)
{
- Qclose (sys_handles[handle]);
- sys_handles[handle] = NULL;
+ return LoadLibrary (name);
}
-void Sys_FileSeek (int handle, int position)
+void Sys_UnloadLibrary (dllhandle_t handle)
{
- Qseek (sys_handles[handle], position, SEEK_SET);
+ FreeLibrary (handle);
}
-int Sys_FileRead (int handle, void *dest, int count)
+void* Sys_GetProcAddress (dllhandle_t handle, const char* name)
{
- return Qread (sys_handles[handle], dest, count);
-}
-
-int Sys_FileWrite (int handle, void *data, int count)
-{
- return Qwrite (sys_handles[handle], data, count);
-}
-
-int Sys_FileTime (char *path)
-{
- QFile *f;
-
- f = Qopen(path, "rb");
- if (f)
- {
- Qclose(f);
- return 1;
- }
-
- return -1;
-}
-
-void Sys_mkdir (char *path)
-{
- _mkdir (path);
+ return (void *)GetProcAddress (handle, name);
}
===============================================================================
*/
-void Sys_Error (char *error, ...)
+void SleepUntilInput (int time);
+
+void Sys_Error (const char *error, ...)
{
va_list argptr;
char text[1024], text2[1024];
sc_return_on_enter = true; // so Enter will get us out of here
while (!Sys_ConsoleInput () && ((Sys_DoubleTime () - starttime) < CONSOLE_ERROR_TIMEOUT))
- {
- }
+ SleepUntilInput(1);
}
else
{
if (!in_sys_error0)
{
in_sys_error0 = 1;
- VID_SetDefaultMode ();
+ VID_Shutdown();
MessageBox(NULL, text, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
}
else
- {
MessageBox(NULL, text, "Double Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
- }
}
if (!in_sys_error1)
void Sys_Quit (void)
{
-
Host_Shutdown();
if (tevent)
*/
double Sys_DoubleTime (void)
{
- // 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:
- // none known
static int first = true;
- static double oldtime = 0.0, basetime = 0.0, old = 0.0;
- double newtime, now;
-
- now = (double) timeGetTime () + basetime;
-
- if (first)
+ 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 (sys_usetimegettime.integer)
{
- first = false;
- basetime = now;
- now = 0;
- }
+ 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;
+ }
- if (now < old)
- {
- // wrapped
- basetime += (65536.0 * 65536.0);
- now += (65536.0 * 65536.0);
+ newtime = (double) timeGetTime () / 1000.0;
}
- old = now;
-
- newtime = now / 1000.0;
-
- if (newtime < oldtime)
- Sys_Error("Sys_DoubleTime: time running backwards??\n");
-
- oldtime = newtime;
-
- return newtime;
-#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)
- static int first = true;
- static double oldtime = 0.0, basetime = 0.0, timescale = 0.0;
- double newtime;
- LARGE_INTEGER PerformanceFreq;
- LARGE_INTEGER PerformanceCount;
-
- if (first)
+ 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))
Sys_Error ("No hardware timer available");
+ QueryPerformanceCounter (&PerformanceCount);
-#ifdef __BORLANDC__
+ #ifdef __BORLANDC__
timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
-#else
+ 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);
-#endif
+ newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
+ #endif
}
- QueryPerformanceCounter (&PerformanceCount);
-
-#ifdef __BORLANDC__
- newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale - basetime;
-#else
- newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale - basetime;
-#endif
-
if (first)
{
first = false;
- basetime = newtime;
- newtime = 0;
+ oldtime = newtime;
}
if (newtime < oldtime)
- Sys_Error("Sys_DoubleTime: time running backwards??\n");
-
+ {
+ // 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 newtime;
-#endif
+ return curtime;
}
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
==============================================================================
*/
*/
HINSTANCE global_hInstance;
int global_nCmdShow;
-char *argv[MAX_NUM_ARGVS];
-static char *empty_string = "";
+const char *argv[MAX_NUM_ARGVS];
+char program_name[MAX_OSPATH];
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
- double oldtime, newtime;
- MEMORYSTATUS lpBuffer;
- static char cwd[1024];
- int t;
+ double frameoldtime, framenewtime;
+ MEMORYSTATUS lpBuffer;
+ 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;
lpBuffer.dwLength = sizeof(MEMORYSTATUS);
GlobalMemoryStatus (&lpBuffer);
- if (!GetCurrentDirectory (sizeof(cwd), cwd))
- Sys_Error ("Couldn't determine current directory");
+ com_argc = 1;
+ program_name[sizeof(program_name)-1] = 0;
+ GetModuleFileNameA(NULL, program_name, sizeof(program_name) - 1);
+ argv[0] = program_name;
- if (cwd[strlen(cwd)-1] == '/')
- cwd[strlen(cwd)-1] = 0;
-
- memset(&host_parms, 0, sizeof(host_parms));
-
- host_parms.basedir = cwd;
-
- host_parms.argc = 1;
- argv[0] = empty_string;
-
- while (*lpCmdLine && (host_parms.argc < MAX_NUM_ARGVS))
+ while (*lpCmdLine && (com_argc < MAX_NUM_ARGVS))
{
while (*lpCmdLine && ((*lpCmdLine <= 32) || (*lpCmdLine > 126)))
lpCmdLine++;
if (*lpCmdLine)
{
- argv[host_parms.argc] = lpCmdLine;
- host_parms.argc++;
+ argv[com_argc] = lpCmdLine;
+ com_argc++;
while (*lpCmdLine && ((*lpCmdLine > 32) && (*lpCmdLine <= 126)))
lpCmdLine++;
*lpCmdLine = 0;
lpCmdLine++;
}
-
}
}
-
- host_parms.argv = argv;
-
- COM_InitArgv (host_parms.argc, host_parms.argv);
-
- host_parms.argc = com_argc;
- host_parms.argv = com_argv;
+ com_argv = argv;
Sys_Shared_EarlyInit();
+ Cvar_RegisterVariable(&sys_usetimegettime);
+
tevent = CreateEvent(NULL, false, false, NULL);
if (!tevent)
// because sound is off until we become active
S_BlockSound ();
-#if WIN32_USETIMEGETTIME
- // make sure the timer is high precision, otherwise NT gets 18ms resolution
- // LordHavoc:
- // Windows 2000 Advanced Server (and possibly other versions)
- // apparently have a broken timer, because it runs at more like 10x speed
- // if this isn't used, heh
- timeBeginPeriod (1);
-#endif
-
Host_Init ();
Sys_Shared_LateInit();
- oldtime = Sys_DoubleTime ();
+ frameoldtime = Sys_DoubleTime ();
- /* main window message loop */
+ /* main window message loop */
while (1)
{
if (cls.state != ca_dedicated)
{
// yield the CPU for a little while when paused, minimized, or not the focus
- if ((cl.paused && !ActiveApp) || Minimized)
+ if ((cl.paused && !vid_activewindow) || vid_hidden)
{
SleepUntilInput (PAUSE_SLEEP);
scr_skipupdate = 1; // no point in bothering to draw
}
- else if (!ActiveApp)
+ else if (!vid_activewindow)
SleepUntilInput (NOT_FOCUS_SLEEP);
}
- newtime = Sys_DoubleTime ();
- Host_Frame (newtime - oldtime);
- oldtime = newtime;
+ framenewtime = Sys_DoubleTime ();
+ Host_Frame (framenewtime - frameoldtime);
+ frameoldtime = framenewtime;
}
- /* return success of application */
- return true;
+ /* return success of application */
+ return true;
}