fteqw/engine/client/sys_win.c

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/*
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// sys_win.h
#include "quakedef.h"
#include "winquake.h"
#include "resource.h"
#include "errno.h"
#include "fcntl.h"
#include <limits.h>
#include <conio.h>
#include <io.h>
#include <direct.h>
#ifdef NODIRECTX
#define DDActive 0
#endif
#define MINIMUM_WIN_MEMORY 0x0800000
#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;
void Sys_InitFloatTime (void);
void VARGS MaskExceptions (void);
void Sys_PopFPCW (void);
void Sys_PushFPCW_SetHigh (void);
void VARGS Sys_DebugLog(char *file, char *fmt, ...)
{
va_list argptr;
static char data[1024];
int fd;
va_start(argptr, fmt);
_vsnprintf(data, sizeof(data)-1, fmt, argptr);
va_end(argptr);
#if defined(CRAZYDEBUGGING) && CRAZYDEBUGGING > 1
{
static int sock;
if (!sock)
{
struct sockaddr_in sa;
netadr_t na;
int _true = true;
int listip;
listip = COM_CheckParm("-debugip");
NET_StringToAdr(listip?com_argv[listip+1]:"127.0.0.1", &na);
NetadrToSockadr(&na, (struct sockaddr_qstorage*)&sa);
sa.sin_port = htons(10000);
sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (-1==connect(sock, (struct sockaddr*)&sa, sizeof(sa)))
Sys_Error("Couldn't send debug log lines\n");
setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (char*)&_true, sizeof(_true));
}
send(sock, data, strlen(data), 0);
}
#endif
fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
write(fd, data, strlen(data));
close(fd);
};
int *debug;
#if (_WIN32_WINNT < 0x0400)
#define LLKHF_ALTDOWN 0x00000020
#define LLKHF_UP 0x00000080
#define WH_KEYBOARD_LL 13
typedef struct {
DWORD vkCode;
DWORD scanCode;
DWORD flags;
DWORD time;
DWORD dwExtraInfo;
} KBDLLHOOKSTRUCT;
#elif defined(MINGW)
#define LLKHF_UP 0x00000080
#endif
HHOOK llkeyboardhook;
cvar_t sys_disableWinKeys = {"sys_disableWinKeys", "0"};
cvar_t sys_disableTaskSwitch = {"sys_disableTaskSwitch", "0", NULL, CVAR_NOTFROMSERVER}; // please don't encourage people to use this...
LRESULT CALLBACK LowLevelKeyboardProc (INT nCode, WPARAM wParam, LPARAM lParam)
{
KBDLLHOOKSTRUCT *pkbhs = (KBDLLHOOKSTRUCT *) lParam;
if (ActiveApp)
switch (nCode)
{
case HC_ACTION:
{
//Trap the Left Windowskey
if (pkbhs->vkCode == VK_LWIN)
{
Key_Event (K_LWIN, !(pkbhs->flags & LLKHF_UP));
return 1;
}
//Trap the Right Windowskey
if (pkbhs->vkCode == VK_RWIN)
{
Key_Event (K_RWIN, !(pkbhs->flags & LLKHF_UP));
return 1;
}
//Trap the Application Key (what a pointless key)
if (pkbhs->vkCode == VK_APPS)
{
Key_Event (K_APP, !(pkbhs->flags & LLKHF_UP));
return 1;
}
// Disable CTRL+ESC
//this works, but we've got to give some way to tab out...
if (sys_disableTaskSwitch.value)
{
if (pkbhs->vkCode == VK_ESCAPE && GetAsyncKeyState (VK_CONTROL) >> ((sizeof(SHORT) * 8) - 1))
return 1;
// Disable ATL+TAB
if (pkbhs->vkCode == VK_TAB && pkbhs->flags & LLKHF_ALTDOWN)
return 1;
// Disable ALT+ESC
if (pkbhs->vkCode == VK_ESCAPE && pkbhs->flags & LLKHF_ALTDOWN)
return 1;
}
break;
}
default:
break;
}
return CallNextHookEx (llkeyboardhook, nCode, wParam, lParam);
}
void SetHookState(qboolean state)
{
if (!state == !llkeyboardhook) //not so types are comparable
return;
if (llkeyboardhook)
{
UnhookWindowsHookEx(llkeyboardhook);
llkeyboardhook = NULL;
}
if (state)
llkeyboardhook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, GetModuleHandle(NULL), 0);
}
/*
===============================================================================
FILE IO
===============================================================================
*/
/*
================
Sys_filelength
================
*/
int Sys_filelength (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=0, retval;
if (qrenderer)
t = VID_ForceUnlockedAndReturnState ();
f = fopen(path, "rb");
if (f)
{
fclose(f);
retval = 1;
}
else
{
retval = -1;
}
if (qrenderer)
VID_ForceLockState (t);
return retval;
}
void Sys_mkdir (char *path)
{
_mkdir (path);
}
qboolean Sys_remove (char *path)
{
remove (path);
return true;
}
int Sys_EnumerateFiles (char *gpath, char *match, int (*func)(char *, int, void *), void *parm)
{
HANDLE r;
WIN32_FIND_DATA fd;
char apath[MAX_OSPATH];
char file[MAX_OSPATH];
char *s;
int go;
strcpy(apath, match);
// sprintf(apath, "%s%s", gpath, match);
for (s = apath+strlen(apath)-1; s>= apath; s--)
{
if (*s == '/')
break;
}
s++;
*s = '\0';
if (gpath)
sprintf(file, "%s/%s", gpath, match);
else
strcpy(file, match);
r = FindFirstFile(file, &fd);
if (r==(HANDLE)-1)
return 1;
go = true;
do
{
if (*fd.cFileName == '.');
else if (fd.dwFileAttributes != 16) //is a directory
{
sprintf(file, "%s%s", apath, fd.cFileName);
go = func(file, fd.nFileSizeLow, parm);
}
else
{
sprintf(file, "%s%s/", apath, fd.cFileName);
go = func(file, fd.nFileSizeLow, parm);
}
}
while(FindNextFile(r, &fd) && go);
FindClose(r);
return go;
}
/*
===============================================================================
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)
{
// LARGE_INTEGER PerformanceFreq;
// unsigned int lowpart, highpart;
OSVERSIONINFO vinfo;
/*
#ifndef SERVERONLY
#ifndef CLIENTONLY
if (!isDedicated)
#endif
{
// 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
}
#endif
*/
MaskExceptions ();
Sys_SetFPCW ();
#if 0
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;
Sys_InitFloatTime ();
#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 ("QuakeWorld requires at least Win95 or NT 4.0");
}
if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
WinNT = true;
else
WinNT = false;
}
void VARGS Sys_Error (const char *error, ...)
{
va_list argptr;
char text[1024];
//, text2[1024];
// DWORD dummy;
va_start (argptr, error);
_vsnprintf (text, sizeof(text)-1, error, argptr);
va_end (argptr);
SetHookState(false);
Host_Shutdown ();
MessageBox(NULL, text, "Error", 0);
#ifndef SERVERONLY
CloseHandle (qwclsemaphore);
#endif
SetHookState(false);
exit (1);
}
void VARGS Sys_Printf (char *fmt, ...)
{
va_list argptr;
char text[1024];
DWORD dummy;
if (!houtput)
return;
va_start (argptr,fmt);
_vsnprintf (text, sizeof(text)-1, fmt, argptr);
va_end (argptr);
WriteFile (houtput, text, strlen(text), &dummy, NULL);
}
void Sys_Quit (void)
{
if (VID_ForceUnlockedAndReturnState)
VID_ForceUnlockedAndReturnState ();
SetHookState(false);
Host_Shutdown();
#ifndef SERVERONLY
if (tevent)
CloseHandle (tevent);
if (qwclsemaphore)
CloseHandle (qwclsemaphore);
#endif
/* Yeah, right, just wishful thinking.
#ifdef _DEBUG
if (Z_Allocated())
MessageBox(0, "Some memory was left allocated", "Mem was left", 0);
#endif
*/
SetHookState(false);
exit (0);
}
#if 0
/*
================
Sys_DoubleTime
================
*/
double Sys_DoubleTime (void)
{
static int sametimecount;
static unsigned int oldtime;
static int first = 1;
LARGE_INTEGER PerformanceCount;
unsigned int temp, t2;
double time;
Sys_PushFPCW_SetHigh ();
QueryPerformanceCounter (&PerformanceCount);
temp = ((unsigned int)PerformanceCount.LowPart >> lowshift) |
((unsigned int)PerformanceCount.HighPart << (32 - lowshift));
if (first)
{
oldtime = temp;
first = 0;
}
else
{
// check for turnover or backward time
if ((temp <= oldtime) && ((oldtime - temp) < 0x10000000))
{
oldtime = temp; // so we can't get stuck
}
else
{
t2 = temp - oldtime;
time = (double)t2 * pfreq;
oldtime = temp;
curtime += time;
if (curtime == lastcurtime)
{
sametimecount++;
if (sametimecount > 100000)
{
curtime += 1.0;
sametimecount = 0;
}
}
else
{
sametimecount = 0;
}
lastcurtime = curtime;
}
}
Sys_PopFPCW ();
return curtime;
}
/*
================
Sys_InitFloatTime
================
*/
void Sys_InitFloatTime (void)
{
int j;
Sys_DoubleTime ();
j = COM_CheckParm("-starttime");
if (j)
{
curtime = (double) (Q_atof(com_argv[j+1]));
}
else
{
curtime = 0.0;
}
lastcurtime = curtime;
}
#endif
// DWORD starttime;
double Sys_DoubleTime (void)
{
static DWORD starttime;
static qboolean first = true;
DWORD now;
// double t;
now = timeGetTime();
if (first) {
first = false;
starttime = now;
return 0.0;
}
if (now < starttime) // wrapped?
{
double r;
r = (now / 1000.0) + (LONG_MAX - starttime / 1000.0);
starttime = now;
return r;
}
if (now - starttime == 0)
return 0.0;
return (now - starttime) / 1000.0;
}
/////////////////////////////////////////
//the system console stuff
char *Sys_ConsoleInput (void)
{
static char text[256];
static int len;
INPUT_RECORD recs[1024];
// int count;
int i;
int ch;
DWORD numevents, numread, dummy=0;
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':
if (len)
{
len--;
WriteFile(houtput, "\b \b", 3, &dummy, NULL);
}
break;
default:
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 = BZ_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);
}
BZ_Free(textCopied);
}
GlobalUnlock(th);
}
CloseClipboard();
}
} else if (ch >= ' ')
{
WriteFile(houtput, &ch, 1, &dummy, NULL);
text[len] = ch;
len = (len + 1) & 0xff;
}
break;
}
}
}
}
return NULL;
}
BOOL WINAPI HandlerRoutine (DWORD dwCtrlType)
{
switch (dwCtrlType)
{
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
case CTRL_CLOSE_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
Cbuf_AddText ("quit\n", RESTRICT_LOCAL);
return true;
}
return false;
}
qboolean Sys_InitTerminal (void)
{
if (!AllocConsole())
return false;
SetConsoleCtrlHandler (HandlerRoutine, TRUE);
SetConsoleTitle ("FTE dedicated server");
hinput = GetStdHandle (STD_INPUT_HANDLE);
houtput = GetStdHandle (STD_OUTPUT_HANDLE);
return true;
}
void Sys_CloseTerminal (void)
{
FreeConsole();
}
//
////////////////////////////
void Sys_Sleep (void)
{
}
void Sys_SendKeyEvents (void)
{
MSG msg;
if (!qrenderer)
{
#ifndef CLIENTONLY
SV_GetConsoleCommands ();
#endif
return;
}
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))
break;
// Sys_Quit ();
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
void Sys_ServerActivity(void)
{
FlashWindow(mainwindow, true);
}
/*
==============================================================================
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 exename[256];
HWND hwnd_dialog;
#ifndef CLIENTONLY
qboolean isDedicated = false;
#endif
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);
GetModuleFileName(NULL, cwd, sizeof(cwd)-1);
strcpy(exename, COM_SkipPath(cwd));
parms.argc = 1;
argv[0] = exename;
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);
TL_InitLanguages();
//tprints are now allowed
if (!GetCurrentDirectory (sizeof(cwd), cwd))
Sys_Error ("Couldn't determine current directory");
if (cwd[Q_strlen(cwd)-1] == '/' || cwd[Q_strlen(cwd)-1] == '\\')
cwd[Q_strlen(cwd)-1] = 0;
parms.basedir = cwd;
parms.cachedir = NULL;
parms.argc = com_argc;
parms.argv = com_argv;
#ifndef CLIENTONLY
if (COM_CheckParm ("-dedicated"))
{
isDedicated = true;
hwnd_dialog=NULL;
if (!Sys_InitTerminal())
Sys_Error ("Couldn't allocate dedicated server console");
}
else
#endif
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 = Q_atoi (com_argv[t]) * 1024;
}
else if (COM_CheckParm ("-mem"))
{
t = COM_CheckParm("-mem") + 1;
if (t < com_argc)
parms.memsize = Q_atoi (com_argv[t]) * 1024;
}
parms.membase = VirtualAlloc (NULL, parms.memsize, MEM_RESERVE, PAGE_NOACCESS);
// parms.membase = malloc (parms.memsize);
if (!parms.membase)
Sys_Error ("Not enough memory free; check disk space\n");
#ifndef CLIENTONLY
if (isDedicated) //compleate denial to switch to anything else - many of the client structures are not initialized.
{
SV_Init (&parms);
SV_Frame (0.1);
oldtime = Sys_DoubleTime () - 0.1;
while (1)
{
if (!isDedicated)
Sys_Error("Dedicated was cleared");
NET_Sleep(100, false);
// find time passed since last cycle
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
oldtime = newtime;
SV_Frame (time);
}
return TRUE;
}
#endif
tevent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!tevent)
Sys_Error ("Couldn't create event");
Sys_Init ();
// because sound is off until we become active
S_BlockSound ();
Sys_Printf ("Host_Init\n");
Host_Init (&parms);
Cvar_Register(&sys_disableWinKeys, "System vars");
Cvar_Register(&sys_disableTaskSwitch, "System vars");
oldtime = Sys_DoubleTime ();
//client console should now be initialized.
/* main window message loop */
while (1)
{
#ifndef CLIENTONLY
if (isDedicated)
{
NET_Sleep(100, false);
// find time passed since last cycle
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
oldtime = newtime;
SV_Frame (time);
}
else
#endif
{
// yield the CPU for a little while when paused, minimized, or not the focus
if (((cl.paused && (!ActiveApp && !DDActive)) || Minimized || block_drawing) && !media_filmtype)
{
SleepUntilInput (PAUSE_SLEEP);
scr_skipupdate = 1; // no point in bothering to draw
}
else if (!ActiveApp && !DDActive && !media_filmtype)
{
SleepUntilInput (NOT_FOCUS_SLEEP);
}
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
Host_Frame (time);
oldtime = newtime;
SetHookState(sys_disableWinKeys.value);
Sleep(0);
}
}
/* return success of application */
return TRUE;
}
#ifdef NOASM //these couldn't be found... (it is a masm thing, right?)
void Sys_HighFPPrecision (void)
{
}
void Sys_LowFPPrecision (void)
{
}
void Sys_SetFPCW (void)
{
}
void MaskExceptions (void)
{
}
#endif