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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>
-
- #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 double pfreq;
- static double curtime = 0.0;
- static double lastcurtime = 0.0;
- static int lowshift;
- static HANDLE hinput, houtput;
-
- HANDLE qwclsemaphore;
-
- static HANDLE tevent;
-
- 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);
- vsprintf(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
-
- ===============================================================================
- */
-
- /*
- ================
- filelength
- ================
- */
- int 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, retval;
-
- t = VID_ForceUnlockedAndReturnState ();
-
- f = fopen(path, "rb");
-
- if (f)
- {
- fclose(f);
- retval = 1;
- }
- else
- {
- retval = -1;
- }
-
- VID_ForceLockState (t);
- return retval;
- }
-
- void Sys_mkdir (char *path)
- {
- _mkdir (path);
- }
-
-
- /*
- ===============================================================================
-
- 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
- // 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 Sys_Error (char *error, ...)
- {
- va_list argptr;
- char text[1024], text2[1024];
- DWORD dummy;
-
- Host_Shutdown ();
-
- va_start (argptr, error);
- vsprintf (text, error, argptr);
- va_end (argptr);
-
- MessageBox(NULL, text, "Error", 0 /* MB_OK */ );
-
- #ifndef SERVERONLY
- CloseHandle (qwclsemaphore);
- #endif
-
- exit (1);
- }
-
- void Sys_Printf (char *fmt, ...)
- {
- va_list argptr;
- char text[1024];
- DWORD dummy;
-
- va_start (argptr,fmt);
- vprintf (fmt, argptr);
- va_end (argptr);
- }
-
- void Sys_Quit (void)
- {
- VID_ForceUnlockedAndReturnState ();
-
- Host_Shutdown();
- #ifndef SERVERONLY
- if (tevent)
- CloseHandle (tevent);
-
- if (qwclsemaphore)
- CloseHandle (qwclsemaphore);
- #endif
-
- 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
-
- 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?
- return (now / 1000.0) + (LONG_MAX - starttime / 1000.0);
-
- if (now - starttime == 0)
- return 0.0;
-
- return (now - starttime) / 1000.0;
- }
-
- char *Sys_ConsoleInput (void)
- {
- static char text[256];
- static int len;
- INPUT_RECORD recs[1024];
- int count;
- int i, dummy;
- int ch, numread, numevents;
- 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 Sys_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[Q_strlen(cwd)-1] == '/')
- cwd[Q_strlen(cwd)-1] = 0;
-
- parms.basedir = cwd;
- parms.cachedir = NULL;
-
- 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 = Q_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_Init ();
-
- // 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;
- }
-
-