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newtree/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
$Id$
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <io.h>
#include <conio.h>
#include "quakedef.h"
#include "winquake.h"
#include "resource.h"
#include "sys.h"
#include "screen.h"
#include "qargs.h"
#include "client.h"
#include "console.h"
qboolean is_server = false;
#define MINIMUM_WIN_MEMORY 0x0c00000
#define MAXIMUM_WIN_MEMORY 0x1000000
#define PAUSE_SLEEP 50 // sleep time on pause or minimization
#define NOT_FOCUS_SLEEP 20 // sleep time when not focus
int starttime;
qboolean ActiveApp, Minimized;
qboolean WinNT;
HWND hwnd_dialog; // startup dialog box
static HANDLE hinput, houtput;
HANDLE qwclsemaphore;
static HANDLE tevent;
extern cvar_t *sys_nostdout;
void Sys_InitFloatTime (void);
void MaskExceptions (void);
void Sys_PopFPCW (void);
void Sys_PushFPCW_SetHigh (void);
void Sys_DebugLog(char *file, char *fmt, ...)
{
va_list argptr;
static char data[1024];
int fd;
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);
};
/*
===============================================================================
FILE IO
===============================================================================
*/
/*
================
wfilelength
================
*/
int wfilelength (FILE *f)
{
int pos;
int end;
pos = ftell (f);
fseek (f, 0, SEEK_END);
end = ftell (f);
fseek (f, pos, SEEK_SET);
return end;
}
int Sys_FileTime (char *path)
{
FILE *f;
int t, retval;
t = VID_ForceUnlockedAndReturnState ();
f = fopen(path, "rb");
if (f)
{
fclose(f);
retval = 1;
}
else
{
retval = -1;
}
VID_ForceLockState (t);
return retval;
}
/*
===============================================================================
SYSTEM IO
===============================================================================
*/
/*
================
Sys_MakeCodeWriteable
================
*/
void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
{
DWORD flOldProtect;
//@@@ copy on write or just read-write?
if (!VirtualProtect((LPVOID)startaddr, length, PAGE_READWRITE, &flOldProtect))
Sys_Error("Protection change failed\n");
}
/*
================
Sys_Init
================
*/
void Sys_Init (void)
{
OSVERSIONINFO vinfo;
// allocate a named semaphore on the client so the
// front end can tell if it is 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 at least Win95 or NT 4.0");
}
if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
WinNT = true;
else
WinNT = false;
}
void Sys_Error (char *error, ...)
{
va_list argptr;
char text[1024];//, text2[1024];
// DWORD dummy;
Host_Shutdown ();
va_start (argptr, error);
vsnprintf (text, sizeof(text), error, argptr);
va_end (argptr);
MessageBox(NULL, text, "Error", 0 /* MB_OK */ );
CloseHandle (qwclsemaphore);
exit (1);
}
void Sys_Quit (void)
{
VID_ForceUnlockedAndReturnState ();
Host_Shutdown();
if (tevent)
CloseHandle (tevent);
if (qwclsemaphore)
CloseHandle (qwclsemaphore);
exit (0);
}
char *Sys_ConsoleInput (void)
{
static char text[256];
static int len;
INPUT_RECORD recs[1024];
// int count;
int i;
int ch;
DWORD numread, numevents, dummy;
HANDLE th;
char *clipText, *textCopied;
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: %d\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);
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;
strcat(text, textCopied);
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 Sys_Sleep (void)
{
}
void IN_SendKeyEvents (void)
{
MSG msg;
while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
{
// we always update if there are any event, even if we're paused
scr_skipupdate = 0;
if (!GetMessage (&msg, NULL, 0, 0))
Sys_Quit ();
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
/*
==============================================================================
WINDOWS CRAP
==============================================================================
*/
/*
==================
WinMain
==================
*/
void SleepUntilInput (int time)
{
MsgWaitForMultipleObjects(1, &tevent, FALSE, time, QS_ALLINPUT);
}
/*
==================
WinMain
==================
*/
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)
{
// MSG msg;
quakeparms_t parms;
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;
parms.basedir = cwd;
parms.argc = 1;
argv[0] = empty_string;
while (*lpCmdLine && (parms.argc < MAX_NUM_ARGVS))
{
while (*lpCmdLine && ((*lpCmdLine <= 32) || (*lpCmdLine > 126)))
lpCmdLine++;
if (*lpCmdLine)
{
argv[parms.argc] = lpCmdLine;
parms.argc++;
while (*lpCmdLine && ((*lpCmdLine > 32) && (*lpCmdLine <= 126)))
lpCmdLine++;
if (*lpCmdLine)
{
*lpCmdLine = 0;
lpCmdLine++;
}
}
}
parms.argv = argv;
COM_InitArgv (parms.argc, parms.argv);
parms.argc = com_argc;
parms.argv = com_argv;
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);
}
// 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
parms.memsize = lpBuffer.dwAvailPhys;
if (parms.memsize < MINIMUM_WIN_MEMORY)
parms.memsize = MINIMUM_WIN_MEMORY;
if (parms.memsize < (lpBuffer.dwTotalPhys >> 1))
parms.memsize = lpBuffer.dwTotalPhys >> 1;
if (parms.memsize > MAXIMUM_WIN_MEMORY)
parms.memsize = MAXIMUM_WIN_MEMORY;
if (COM_CheckParm ("-heapsize"))
{
t = COM_CheckParm("-heapsize") + 1;
if (t < com_argc)
parms.memsize = atoi (com_argv[t]) * 1024;
}
parms.membase = malloc (parms.memsize);
if (!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");
sys_nostdout = Cvar_Get("sys_nostdout", "1", CVAR_NONE, "None");
// because sound is off until we become active
S_BlockSound ();
Sys_Printf ("Host_Init\n");
Host_Init (&parms);
oldtime = Sys_DoubleTime ();
/* main window message loop */
while (1)
{
// 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;
}
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