+++ /dev/null
-/*
-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.c -- Win32 system interface code
-
-#include "quakedef.h"
-#include <windows.h>
-#include <mmsystem.h>
-#include <dsound.h>
-#include "errno.h"
-#include "resource.h"
-#include "conproc.h"
-#include "direct.h"
-
-cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1", "use windows timeGetTime function (which has issues on some motherboards) for timing rather than QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power)"};
-
-HANDLE hinput, houtput;
-
-static HANDLE tevent;
-static HANDLE hFile;
-static HANDLE heventParent;
-static HANDLE heventChild;
-
-
-/*
-===============================================================================
-
-SYSTEM IO
-
-===============================================================================
-*/
-
-void Sys_Error (const char *error, ...)
-{
- va_list argptr;
- char text[MAX_INPUTLINE];
- static int in_sys_error0 = 0;
- static int in_sys_error1 = 0;
- static int in_sys_error2 = 0;
- static int in_sys_error3 = 0;
-
- va_start (argptr, error);
- dpvsnprintf (text, sizeof (text), error, argptr);
- va_end (argptr);
-
- Con_Printf ("Quake Error: %s\n", text);
-
- // close video so the message box is visible, unless we already tried that
- if (!in_sys_error0 && cls.state != ca_dedicated)
- {
- in_sys_error0 = 1;
- VID_Shutdown();
- }
-
- if (!in_sys_error3 && cls.state != ca_dedicated)
- {
- in_sys_error3 = true;
- MessageBox(NULL, text, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
- }
-
- if (!in_sys_error1)
- {
- in_sys_error1 = 1;
- Host_Shutdown ();
- }
-
-// shut down QHOST hooks if necessary
- if (!in_sys_error2)
- {
- in_sys_error2 = 1;
- Sys_Shutdown ();
- }
-
- exit (1);
-}
-
-void Sys_Shutdown (void)
-{
- if (tevent)
- CloseHandle (tevent);
-
- if (cls.state == ca_dedicated)
- FreeConsole ();
-
-// shut down QHOST hooks if necessary
- DeinitConProc ();
-}
-
-void Sys_PrintToTerminal(const char *text)
-{
- DWORD dummy;
- extern HANDLE houtput;
-
- if ((houtput != 0) && (houtput != INVALID_HANDLE_VALUE))
- WriteFile(houtput, text, (DWORD) strlen(text), &dummy, NULL);
-}
-
-/*
-================
-Sys_DoubleTime
-================
-*/
-double Sys_DoubleTime (void)
-{
- static int first = true;
- static double oldtime = 0.0, curtime = 0.0;
- double newtime;
- // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
- if (sys_usetimegettime.integer)
- {
- static int firsttimegettime = true;
- // timeGetTime
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // reasonable accuracy (millisecond)
- // issues:
- // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter)
-
- // make sure the timer is high precision, otherwise different versions of windows have varying accuracy
- if (firsttimegettime)
- {
- timeBeginPeriod (1);
- firsttimegettime = false;
- }
-
- newtime = (double) timeGetTime () / 1000.0;
- }
- else
- {
- // QueryPerformanceCounter
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // very accurate (CPU cycles)
- // known issues:
- // does not necessarily match realtime too well (tends to get faster and faster in win98)
- // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
- double timescale;
- LARGE_INTEGER PerformanceFreq;
- LARGE_INTEGER PerformanceCount;
-
- if (!QueryPerformanceFrequency (&PerformanceFreq))
- {
- Con_Printf ("No hardware timer available\n");
- // fall back to timeGetTime
- Cvar_SetValueQuick(&sys_usetimegettime, true);
- return Sys_DoubleTime();
- }
- QueryPerformanceCounter (&PerformanceCount);
-
- #ifdef __BORLANDC__
- timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale;
- #else
- timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
- #endif
- }
-
- if (first)
- {
- first = false;
- oldtime = newtime;
- }
-
- if (newtime < oldtime)
- {
- // warn if it's significant
- if (newtime - oldtime < -0.01)
- Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else
- curtime += newtime - oldtime;
- oldtime = newtime;
-
- return curtime;
-}
-
-
-char *Sys_ConsoleInput (void)
-{
- static char text[MAX_INPUTLINE];
- static int len;
- INPUT_RECORD recs[1024];
- int ch;
- DWORD numread, numevents, dummy;
-
- if (cls.state != ca_dedicated)
- return NULL;
-
-
- 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--;
- }
- break;
-
- default:
- if (ch >= ' ')
- {
- WriteFile(houtput, &ch, 1, &dummy, NULL);
- text[len] = ch;
- len = (len + 1) & 0xff;
- }
-
- break;
-
- }
- }
- }
- }
-
- return NULL;
-}
-
-void Sys_Sleep(int microseconds)
-{
- if (microseconds < 1000)
- microseconds = 1000;
- Sleep(microseconds / 1000);
-}
-
-char *Sys_GetClipboardData (void)
-{
- char *data = NULL;
- char *cliptext;
-
- if (OpenClipboard (NULL) != 0)
- {
- HANDLE hClipboardData;
-
- if ((hClipboardData = GetClipboardData (CF_TEXT)) != 0)
- {
- if ((cliptext = GlobalLock (hClipboardData)) != 0)
- {
- size_t allocsize;
- allocsize = GlobalSize (hClipboardData) + 1;
- data = Z_Malloc (allocsize);
- strlcpy (data, cliptext, allocsize);
- GlobalUnlock (hClipboardData);
- }
- }
- CloseClipboard ();
- }
- return data;
-}
-
-void Sys_InitConsole (void)
-{
- int t;
-
- // initialize the windows dedicated server console if needed
- tevent = CreateEvent(NULL, false, false, NULL);
-
- if (!tevent)
- Sys_Error ("Couldn't create event");
-
- houtput = GetStdHandle (STD_OUTPUT_HANDLE);
- if ((houtput == 0) || (houtput == INVALID_HANDLE_VALUE))
- {
- AllocConsole ();
- houtput = GetStdHandle (STD_OUTPUT_HANDLE);
- }
- hinput = GetStdHandle (STD_INPUT_HANDLE);
-
- // LordHavoc: can't check cls.state because it hasn't been initialized yet
- // if (cls.state == ca_dedicated)
- if (COM_CheckParm("-dedicated"))
- {
- if ((houtput == 0) || (houtput == INVALID_HANDLE_VALUE))
- Sys_Error ("Couldn't create dedicated server console");
-
-
-#ifdef _WIN64
-#define atoi _atoi64
-#endif
- // 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);
- }
-
-// because sound is off until we become active
- S_BlockSound ();
-}
-
-void Sys_Init_Commands (void)
-{
- Cvar_RegisterVariable(&sys_usetimegettime);
-}
-
-/*
-==============================================================================
-
-WINDOWS CRAP
-
-==============================================================================
-*/
-
-
-/*
-==================
-WinMain
-==================
-*/
-HINSTANCE global_hInstance;
-const char *argv[MAX_NUM_ARGVS];
-char program_name[MAX_OSPATH];
-
-int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
-{
- MEMORYSTATUS lpBuffer;
-
- /* previous instances do not exist in Win32 */
- if (hPrevInstance)
- return 0;
-
- global_hInstance = hInstance;
-
- lpBuffer.dwLength = sizeof(MEMORYSTATUS);
- GlobalMemoryStatus (&lpBuffer);
-
- program_name[sizeof(program_name)-1] = 0;
- GetModuleFileNameA(NULL, program_name, sizeof(program_name) - 1);
-
- com_argc = 1;
- com_argv = argv;
- argv[0] = program_name;
-
- // FIXME: this tokenizer is rather redundent, call a more general one
- while (*lpCmdLine && (com_argc < MAX_NUM_ARGVS))
- {
- while (*lpCmdLine && *lpCmdLine <= ' ')
- lpCmdLine++;
-
- if (!*lpCmdLine)
- break;
-
- if (*lpCmdLine == '\"')
- {
- // quoted string
- lpCmdLine++;
- argv[com_argc] = lpCmdLine;
- com_argc++;
- while (*lpCmdLine && (*lpCmdLine != '\"'))
- lpCmdLine++;
- }
- else
- {
- // unquoted word
- argv[com_argc] = lpCmdLine;
- com_argc++;
- while (*lpCmdLine && *lpCmdLine > ' ')
- lpCmdLine++;
- }
-
- if (*lpCmdLine)
- {
- *lpCmdLine = 0;
- lpCmdLine++;
- }
- }
-
- Host_Main();
-
- /* return success of application */
- return true;
-}
-
-int main (int argc, const char* argv[])
-{
- MEMORYSTATUS lpBuffer;
-
- global_hInstance = GetModuleHandle (0);
-
- lpBuffer.dwLength = sizeof(MEMORYSTATUS);
- GlobalMemoryStatus (&lpBuffer);
-
- program_name[sizeof(program_name)-1] = 0;
- GetModuleFileNameA(NULL, program_name, sizeof(program_name) - 1);
-
- com_argc = argc;
- com_argv = argv;
-
- Host_Main();
-
- return true;
-}
projects / xonotic / darkplaces.git / blobdiff