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quakeforge/qw/source/cl_sys_win.c

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/*
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
#ifdef HAVE_CONIO_H
# include <conio.h>
#endif
#ifdef HAVE_IO_H
# include <io.h>
#endif
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#define shutdown __win32_shutdown
#include <windows.h>
#undef shutdown
#include "QF/console.h"
#include "QF/qargs.h"
#include "QF/screen.h"
#include "QF/sound.h"
#include "QF/sys.h"
#include "QF/vid.h"
#include "client.h"
#include "compat.h"
#include "host.h"
#include "net.h"
#include "resource.h"
#define MAXIMUM_WIN_MEMORY 0x1000000
#define MINIMUM_WIN_MEMORY 0x0c00000
#define PAUSE_SLEEP 50 // sleep time on pause or
// minimization
#define NOT_FOCUS_SLEEP 20 // sleep time when not focus
char *svs_info;
qboolean ActiveApp, Minimized, WinNT;
qboolean is_server = false;
HWND hwnd_dialog; // startup dialog box
HANDLE qwclsemaphore;
static HANDLE hinput, houtput, tevent;
void MaskExceptions (void);
void Sys_PopFPCW (void);
void Sys_PushFPCW_SetHigh (void);
void Sys_InitFloatTime (void);
void
Sys_Init (void)
{
OSVERSIONINFO vinfo;
// allocate named semaphore on client so front end can tell if it's alive
// mutex will fail if semephore allready exists
qwclsemaphore = CreateMutex (NULL, /* Security attributes */
0, /* owner */
"qwcl"); /* Semaphore name */
if (!qwclsemaphore)
Sys_Error ("QWCL is already running on this system");
CloseHandle (qwclsemaphore);
qwclsemaphore = CreateSemaphore (NULL, /* Security attributes */
0, /* Initial count */
1, /* Maximum count */
"qwcl"); /* Semaphore name */
#ifdef USE_INTEL_ASM
MaskExceptions ();
Sys_SetFPCW ();
#endif
// make sure the timer is high precision, otherwise NT gets 18ms resolution
timeBeginPeriod (1);
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 ("This version of " PROGRAM
" requires a full Win32 implementation.");
}
if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
WinNT = true;
else
WinNT = false;
}
static void
shutdown (void)
{
VID_ForceUnlockedAndReturnState ();
if (tevent)
CloseHandle (tevent);
if (qwclsemaphore)
CloseHandle (qwclsemaphore);
}
void
Sys_DebugLog (const char *file, const char *fmt, ...)
{
static char data[1024];
int fd;
va_list argptr;
va_start (argptr, fmt);
vsnprintf (data, sizeof (data), fmt, argptr);
va_end (argptr);
fd = open (file, O_WRONLY | O_CREAT | O_APPEND, 0666);
write (fd, data, strlen (data));
close (fd);
};
/*
Sys_ConsoleInput
Checks for a complete line of text typed in at the console, then forwards
it to the host command processor
*/
const char *
Sys_ConsoleInput (void)
{
char *clipText, *textCopied;
static char text[256];
int ch, i; // , count;
static int len;
DWORD numread, numevents, dummy;
HANDLE th;
INPUT_RECORD recs[1024];
for (;;) {
if (!GetNumberOfConsoleInputEvents (hinput, &numevents))
Sys_Error ("Error getting # of console events");
if (numevents <= 0)
break;
if (!ReadConsoleInput (hinput, recs, 1, &numread))
Sys_Error ("Error reading console input");
if (numread != 1)
Sys_Error ("Couldn't read console input");
if (recs[0].EventType == KEY_EVENT) {
if (!recs[0].Event.KeyEvent.bKeyDown) {
ch = recs[0].Event.KeyEvent.uChar.AsciiChar;
switch (ch) {
case '\r':
WriteFile (houtput, "\r\n", 2, &dummy, NULL);
if (len) {
text[len] = 0;
len = 0;
return text;
}
break;
case '\b':
WriteFile (houtput, "\b \b", 3, &dummy, NULL);
if (len) {
len--;
putch ('\b');
}
break;
default:
Con_Printf ("Stupid: %ld\n",
recs[0].Event.KeyEvent.dwControlKeyState);
if (
((ch == 'V' || ch == 'v')
&& (recs[0].Event.KeyEvent.
dwControlKeyState & (LEFT_CTRL_PRESSED |
RIGHT_CTRL_PRESSED)))
||
((recs
[0].Event.KeyEvent.
dwControlKeyState & SHIFT_PRESSED)
&& (recs[0].Event.KeyEvent.wVirtualKeyCode ==
VK_INSERT))) {
if (OpenClipboard (NULL)) {
th = GetClipboardData (CF_TEXT);
if (th) {
clipText = GlobalLock (th);
if (clipText) {
textCopied =
malloc (GlobalSize (th) + 1);
if (!textCopied)
Sys_Error ("Sys_ConsoleInput: "
"Memory Allocation Failure\n");
strcpy (textCopied, clipText);
// Substitutes a NULL for every token
strtok (textCopied, "\n\r\b");
i = strlen (textCopied);
if (i + len >= 256)
i = 256 - len;
if (i > 0) {
textCopied[i] = 0;
text[len] = 0;
strncat (text, textCopied,
sizeof (text) -
strlen (text));
len += dummy;
WriteFile (houtput, textCopied, i,
&dummy, NULL);
}
free (textCopied);
}
GlobalUnlock (th);
}
CloseClipboard ();
}
} else if (ch >= ' ') {
WriteFile (houtput, &ch, 1, &dummy, NULL);
text[len] = ch;
len = (len + 1) & 0xff;
}
break;
}
}
}
}
return NULL;
}
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 = "";
int WINAPI
WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
int nCmdShow)
{
// MSG msg;
static char cwd[1024];
double time, oldtime, newtime;
int t;
MEMORYSTATUS lpBuffer;
#ifdef SPLASH_SCREEN
RECT rect;
#endif
/* 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++;
}
}
}
host_parms.argv = argv;
COM_InitArgv (host_parms.argc, (const char**)host_parms.argv);
host_parms.argc = com_argc;
host_parms.argv = com_argv;
#ifdef SPLASH_SCREEN
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);
}
#endif
// 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;
if (COM_CheckParm ("-mem")) {
t = COM_CheckParm ("-mem") + 1;
if (t < com_argc)
host_parms.memsize = atoi (com_argv[t]) * 1024 * 1024;
}
host_parms.membase = malloc (host_parms.memsize);
if (!host_parms.membase)
Sys_Error ("Not enough memory free; check disk space\n");
tevent = CreateEvent (NULL, FALSE, FALSE, NULL);
if (!tevent)
Sys_Error ("Couldn't create event");
// because sound is off until we become active
// XXX S_BlockSound ();
Con_Printf ("Host_Init\n");
Host_Init ();
Sys_RegisterShutdown (Host_Shutdown);
Sys_RegisterShutdown (Net_LogStop);
Sys_RegisterShutdown (shutdown);
oldtime = Sys_DoubleTime ();
/* main window message loop */
while (1) {
// yield CPU for a little bit 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;
}
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