quakeforge/nq/source/sys_win.c
2002-06-07 14:44:02 +00:00

320 lines
7 KiB
C

/*
sys_win.c
@description@
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "winquake.h"
#include "conproc.h"
#include "resource.h"
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/qargs.h"
#include "QF/screen.h"
#include "QF/sys.h"
#include "QF/vfile.h"
#include "client.h"
#include "compat.h"
#include "game.h"
#include "host.h"
#define MINIMUM_WIN_MEMORY 0x0880000
#define MAXIMUM_WIN_MEMORY 0x1000000
#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
qboolean ActiveApp, Minimized;
qboolean WinNT;
static double pfreq;
static int lowshift;
qboolean isDedicated;
HANDLE hinput, houtput;
static const char tracking_tag[] = "Clams & Mooses";
static HANDLE tevent;
static HANDLE hFile;
static HANDLE heventParent;
static HANDLE heventChild;
// FILE IO ====================================================================
#define MAX_HANDLES 10
VFile *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;
}
// SYSTEM IO ==================================================================
#ifndef USE_INTEL_ASM
void
MaskExceptions (void)
{
}
#endif
void
Sys_Init (void)
{
LARGE_INTEGER PerformanceFreq;
unsigned int lowpart, highpart;
OSVERSIONINFO vinfo;
MaskExceptions ();
Sys_SetFPCW ();
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
lowpart = (unsigned int) PerformanceFreq.LowPart;
highpart = (unsigned int) PerformanceFreq.HighPart;
lowshift = 0;
while (highpart || (lowpart > 2000000.0)) {
lowshift++;
lowpart >>= 1;
lowpart |= (highpart & 1) << 31;
highpart >>= 1;
}
pfreq = 1.0 / (double) lowpart;
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;
}
static void
shutdown (void)
{
VID_ForceUnlockedAndReturnState ();
if (tevent)
CloseHandle (tevent);
if (isDedicated)
FreeConsole ();
// shut down QHOST hooks if necessary
DeinitConProc ();
}
// WINDOWS CRAP ===============================================================
void
SleepUntilInput (int time)
{
MsgWaitForMultipleObjects (1, &tevent, FALSE, time, QS_ALLINPUT);
}
HINSTANCE global_hInstance;
int global_nCmdShow;
char *argv[MAX_NUM_ARGVS];
static char *empty_string = "";
HWND hwnd_dialog;
int WINAPI
WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
int nCmdShow)
{
double time, oldtime, newtime;
MEMORYSTATUS lpBuffer;
static char cwd[1024];
int t;
RECT rect;
/* 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");
if (cwd[strlen (cwd) - 1] == '/')
cwd[strlen (cwd) - 1] = 0;
host_parms.argc = 1;
argv[0] = empty_string;
while (*lpCmdLine && (host_parms.argc < MAX_NUM_ARGVS)) {
while (*lpCmdLine && ((*lpCmdLine <= 32) || (*lpCmdLine > 126)))
lpCmdLine++;
if (*lpCmdLine) {
argv[host_parms.argc] = lpCmdLine;
host_parms.argc++;
while (*lpCmdLine && ((*lpCmdLine > 32) && (*lpCmdLine <= 126)))
lpCmdLine++;
if (*lpCmdLine) {
*lpCmdLine = 0;
lpCmdLine++;
}
}
}
COM_InitArgv (host_parms.argc, (const char**)argv);
host_parms.argc = com_argc;
host_parms.argv = com_argv;
isDedicated = (COM_CheckParm ("-dedicated") != 0);
if (!isDedicated) {
hwnd_dialog = CreateDialog (hInstance, MAKEINTRESOURCE (IDD_DIALOG1),
NULL, NULL);
if (hwnd_dialog) {
if (GetWindowRect (hwnd_dialog, &rect)) {
if (rect.left > (rect.top * 2)) {
SetWindowPos (hwnd_dialog, 0,
(rect.left / 2) -
((rect.right - rect.left) / 2), rect.top, 0,
0, SWP_NOZORDER | SWP_NOSIZE);
}
}
ShowWindow (hwnd_dialog, SW_SHOWDEFAULT);
UpdateWindow (hwnd_dialog);
SetForegroundWindow (hwnd_dialog);
}
}
tevent = CreateEvent (NULL, FALSE, FALSE, NULL);
if (!tevent)
Sys_Error ("Couldn't create event");
if (isDedicated) {
if (!AllocConsole ()) {
Sys_Error ("Couldn't create dedicated server console");
}
hinput = GetStdHandle (STD_INPUT_HANDLE);
houtput = GetStdHandle (STD_OUTPUT_HANDLE);
// give QHOST a chance to hook into the console
if ((t = COM_CheckParm ("-HFILE")) > 0) {
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)
heventChild = (HANDLE) atoi (com_argv[t + 1]);
}
InitConProc (hFile, heventParent, heventChild);
}
Host_Init ();
Sys_RegisterShutdown (Host_Shutdown);
Sys_RegisterShutdown (shutdown);
oldtime = Sys_DoubleTime ();
/* main window message loop */
while (1) {
if (isDedicated) {
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
while (time < sys_ticrate->value) {
Sleep (1);
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
}
} else {
// yield the CPU for a little while when paused, minimized, or
// not the focus
if ((cl.paused && (!ActiveApp && !DDActive)) || Minimized
|| block_drawing) {
SleepUntilInput (PAUSE_SLEEP);
scr_skipupdate = 1; // no point in bothering to draw
} else if (!ActiveApp && !DDActive) {
SleepUntilInput (NOT_FOCUS_SLEEP);
}
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
}
Host_Frame (time);
oldtime = newtime;
}
/* return success of application */
return TRUE;
}