void Sys_Init (void)
{
OSVERSIONINFO vinfo;
Sys_SetTimerResolution ();
Sys_SetDPIAware ();
memset (cwd, 0, sizeof(cwd));
Sys_GetBasedir(NULL, cwd, sizeof(cwd));
host_parms->basedir = cwd;
/* userdirs not really necessary for windows guys.
* can be done if necessary, though... */
host_parms->userdir = host_parms->basedir; /* code elsewhere relies on this ! */
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 ("QuakeSpasm requires at least Win95 or NT 4.0");
}
if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
SYSTEM_INFO info;
WinNT = true;
if (vinfo.dwMajorVersion >= 6)
WinVista = true;
GetSystemInfo(&info);
host_parms->numcpus = info.dwNumberOfProcessors;
if (host_parms->numcpus < 1)
host_parms->numcpus = 1;
}
else
{
WinNT = false; /* Win9x or WinME */
host_parms->numcpus = 1;
if ((vinfo.dwMajorVersion == 4) && (vinfo.dwMinorVersion == 0))
{
Win95 = true;
/* Win95-gold or Win95A can't switch bpp automatically */
if (vinfo.szCSDVersion[1] != 'C' && vinfo.szCSDVersion[1] != 'B')
Win95old = true;
}
}
Sys_Printf("Detected %d CPUs.\n", host_parms->numcpus);
if (isDedicated)
{
if (!AllocConsole ())
{
isDedicated = false; /* so that we have a graphical error dialog */
Sys_Error ("Couldn't create dedicated server console");
}
hinput = GetStdHandle (STD_INPUT_HANDLE);
houtput = GetStdHandle (STD_OUTPUT_HANDLE);
}
}
int main (int argc, char **argv)
{
double time, oldtime, newtime;
PrintVersion();
// make sure there's an FPU
signal(SIGNOFP, Sys_NoFPUExceptionHandler);
signal(SIGABRT, Sys_DefaultExceptionHandler);
signal(SIGALRM, Sys_DefaultExceptionHandler);
signal(SIGKILL, Sys_DefaultExceptionHandler);
signal(SIGQUIT, Sys_DefaultExceptionHandler);
signal(SIGINT, Sys_DefaultExceptionHandler);
if (fptest_temp >= 0.0)
fptest_temp += 0.1;
dos_error_func = Sys_Error;
memset (cwd, 0, sizeof(cwd));
if (Sys_GetBasedir(argv[0], cwd, sizeof(cwd)) != 0)
Sys_Error ("Couldn't determine current directory");
/* initialize the host params */
memset (&quakeparms, 0, sizeof(quakeparms));
quakeparms.basedir = cwd;
quakeparms.userdir = cwd;
quakeparms.argc = argc;
quakeparms.argv = argv;
host_parms = &quakeparms;
LOG_Init (&quakeparms);
COM_ValidateByteorder ();
Sys_DetectWin95 ();
Sys_PageInProgram ();
Sys_GetMemory ();
atexit (Sys_AtExit); // in case we crash
isDedicated = (COM_CheckParm ("-dedicated") != 0);
Sys_Init ();
if (!isDedicated)
dos_registerintr(9, TrapKey);
// Sys_InitStackCheck ();
Host_Init();
// Sys_StackCheck ();
// Con_Printf ("Top of stack: 0x%x\n", &time);
oldtime = Sys_DoubleTime ();
while (1)
{
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
if (isDedicated && (time < sys_ticrate.value))
continue;
Host_Frame (time);
// Sys_StackCheck ();
oldtime = newtime;
}
}
int main (int argc, char **argv)
{
int i;
double time, oldtime;
PrintVersion();
if (argc > 1)
{
for (i = 1; i < argc; i++)
{
if ( !(strcmp(argv[i], "-v")) || !(strcmp(argv[i], "-version" )) ||
!(strcmp(argv[i], "--version")) )
{
exit(0);
}
else if ( !(strcmp(argv[i], "-h")) || !(strcmp(argv[i], "-help" )) ||
!(strcmp(argv[i], "--help")) || !(strcmp(argv[i], "-?")) )
{
PrintHelp(argv[0]);
exit (0);
}
}
}
memset (cwd, 0, sizeof(cwd));
if (Sys_GetBasedir(argv[0], cwd, sizeof(cwd)) != 0)
Sys_Error ("Couldn't determine current directory");
/* initialize the host params */
memset (&parms, 0, sizeof(parms));
parms.basedir = cwd;
parms.userdir = cwd; /* no userdir on win32 */
parms.argc = argc;
parms.argv = argv;
host_parms = &parms;
LOG_Init (&parms);
Sys_Printf("basedir is: %s\n", parms.basedir);
Sys_Printf("userdir is: %s\n", parms.userdir);
COM_ValidateByteorder ();
parms.memsize = STD_MEM_ALLOC;
i = COM_CheckParm ("-heapsize");
if (i && i < com_argc-1)
{
parms.memsize = atoi (com_argv[i+1]) * 1024;
if ((parms.memsize > MAX_MEM_ALLOC) && !(COM_CheckParm ("-forcemem")))
{
Sys_Printf ("Requested memory (%d Mb) too large, using the default maximum.\n", parms.memsize/(1024*1024));
Sys_Printf ("If you are sure, use the -forcemem switch.\n");
parms.memsize = MAX_MEM_ALLOC;
}
else if ((parms.memsize < MIN_MEM_ALLOC) && !(COM_CheckParm ("-forcemem")))
{
Sys_Printf ("Requested memory (%d Mb) too little, using the default minimum.\n", parms.memsize/(1024*1024));
Sys_Printf ("If you are sure, use the -forcemem switch.\n");
parms.memsize = MIN_MEM_ALLOC;
}
}
parms.membase = malloc (parms.memsize);
if (!parms.membase)
Sys_Error ("Insufficient memory.\n");
timeBeginPeriod (1); /* 1 ms timer precision */
starttime = timeGetTime ();
Host_Init();
oldtime = Sys_DoubleTime ();
/* main window message loop */
while (1)
{
time = Sys_DoubleTime ();
if (time - oldtime < sys_ticrate.value )
{
Sleep (1);
continue;
}
Host_Frame (time - oldtime);
oldtime = time;
}
return 0;
}
