mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-05 20:50:43 +00:00
326 lines
7.1 KiB
C
326 lines
7.1 KiB
C
/*
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sys_win.c
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@description@
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "winquake.h"
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#include "conproc.h"
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#include "resource.h"
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/qargs.h"
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#include "QF/screen.h"
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#include "QF/sys.h"
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#include "QF/vfile.h"
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#include "client.h"
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#include "compat.h"
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#include "game.h"
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#include "host.h"
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#define MINIMUM_WIN_MEMORY 0x0880000
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#define MAXIMUM_WIN_MEMORY 0x1000000
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#define CONSOLE_ERROR_TIMEOUT 60.0 // # of seconds to wait on Sys_Error
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// running
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// dedicated before exiting
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#define PAUSE_SLEEP 50 // sleep time on pause or
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// minimization
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#define NOT_FOCUS_SLEEP 20 // sleep time when not focus
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qboolean ActiveApp, Minimized;
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qboolean WinNT;
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static double pfreq;
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static int lowshift;
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qboolean isDedicated;
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static qboolean sc_return_on_enter = false;
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HANDLE hinput, houtput;
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static const char tracking_tag[] = "Clams & Mooses";
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static HANDLE tevent;
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static HANDLE hFile;
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static HANDLE heventParent;
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static HANDLE heventChild;
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void MaskExceptions (void);
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void Sys_PushFPCW_SetHigh (void);
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void Sys_PopFPCW (void);
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// FILE IO ====================================================================
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#define MAX_HANDLES 10
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VFile *sys_handles[MAX_HANDLES];
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int
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findhandle (void)
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{
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int i;
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for (i = 1; i < MAX_HANDLES; i++)
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if (!sys_handles[i])
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return i;
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Sys_Error ("out of handles");
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return -1;
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}
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// SYSTEM IO ==================================================================
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#ifndef USE_INTEL_ASM
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void
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MaskExceptions (void)
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{
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}
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#endif
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void
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Sys_Init (void)
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{
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LARGE_INTEGER PerformanceFreq;
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unsigned int lowpart, highpart;
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OSVERSIONINFO vinfo;
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MaskExceptions ();
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Sys_SetFPCW ();
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if (!QueryPerformanceFrequency (&PerformanceFreq))
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Sys_Error ("No hardware timer available");
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// get 32 out of the 64 time bits such that we have around
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// 1 microsecond resolution
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lowpart = (unsigned int) PerformanceFreq.LowPart;
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highpart = (unsigned int) PerformanceFreq.HighPart;
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lowshift = 0;
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while (highpart || (lowpart > 2000000.0)) {
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lowshift++;
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lowpart >>= 1;
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lowpart |= (highpart & 1) << 31;
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highpart >>= 1;
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}
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pfreq = 1.0 / (double) lowpart;
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vinfo.dwOSVersionInfoSize = sizeof (vinfo);
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if (!GetVersionEx (&vinfo))
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Sys_Error ("Couldn't get OS info");
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if ((vinfo.dwMajorVersion < 4) ||
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(vinfo.dwPlatformId == VER_PLATFORM_WIN32s)) {
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Sys_Error ("WinQuake requires at least Win95 or NT 4.0");
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}
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if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
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WinNT = true;
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else
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WinNT = false;
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}
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static void
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shutdown (void)
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{
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VID_ForceUnlockedAndReturnState ();
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if (tevent)
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CloseHandle (tevent);
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if (isDedicated)
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FreeConsole ();
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// shut down QHOST hooks if necessary
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DeinitConProc ();
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}
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// WINDOWS CRAP ===============================================================
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void
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SleepUntilInput (int time)
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{
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MsgWaitForMultipleObjects (1, &tevent, FALSE, time, QS_ALLINPUT);
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}
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HINSTANCE global_hInstance;
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int global_nCmdShow;
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char *argv[MAX_NUM_ARGVS];
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static char *empty_string = "";
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HWND hwnd_dialog;
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int WINAPI
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WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
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int nCmdShow)
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{
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double time, oldtime, newtime;
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MEMORYSTATUS lpBuffer;
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static char cwd[1024];
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int t;
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RECT rect;
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/* previous instances do not exist in Win32 */
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if (hPrevInstance)
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return 0;
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global_hInstance = hInstance;
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global_nCmdShow = nCmdShow;
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lpBuffer.dwLength = sizeof (MEMORYSTATUS);
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GlobalMemoryStatus (&lpBuffer);
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if (!GetCurrentDirectory (sizeof (cwd), cwd))
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Sys_Error ("Couldn't determine current directory");
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if (cwd[strlen (cwd) - 1] == '/')
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cwd[strlen (cwd) - 1] = 0;
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host_parms.argc = 1;
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argv[0] = empty_string;
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while (*lpCmdLine && (host_parms.argc < MAX_NUM_ARGVS)) {
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while (*lpCmdLine && ((*lpCmdLine <= 32) || (*lpCmdLine > 126)))
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lpCmdLine++;
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if (*lpCmdLine) {
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argv[host_parms.argc] = lpCmdLine;
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host_parms.argc++;
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while (*lpCmdLine && ((*lpCmdLine > 32) && (*lpCmdLine <= 126)))
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lpCmdLine++;
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if (*lpCmdLine) {
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*lpCmdLine = 0;
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lpCmdLine++;
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}
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}
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}
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COM_InitArgv (host_parms.argc, (const char**)argv);
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host_parms.argc = com_argc;
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host_parms.argv = com_argv;
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isDedicated = (COM_CheckParm ("-dedicated") != 0);
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if (!isDedicated) {
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hwnd_dialog = CreateDialog (hInstance, MAKEINTRESOURCE (IDD_DIALOG1),
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NULL, NULL);
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if (hwnd_dialog) {
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if (GetWindowRect (hwnd_dialog, &rect)) {
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if (rect.left > (rect.top * 2)) {
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SetWindowPos (hwnd_dialog, 0,
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(rect.left / 2) -
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((rect.right - rect.left) / 2), rect.top, 0,
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0, SWP_NOZORDER | SWP_NOSIZE);
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}
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}
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ShowWindow (hwnd_dialog, SW_SHOWDEFAULT);
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UpdateWindow (hwnd_dialog);
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SetForegroundWindow (hwnd_dialog);
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}
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}
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tevent = CreateEvent (NULL, FALSE, FALSE, NULL);
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if (!tevent)
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Sys_Error ("Couldn't create event");
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if (isDedicated) {
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if (!AllocConsole ()) {
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Sys_Error ("Couldn't create dedicated server console");
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}
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hinput = GetStdHandle (STD_INPUT_HANDLE);
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houtput = GetStdHandle (STD_OUTPUT_HANDLE);
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// give QHOST a chance to hook into the console
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if ((t = COM_CheckParm ("-HFILE")) > 0) {
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if (t < com_argc)
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hFile = (HANDLE) atoi (com_argv[t + 1]);
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}
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if ((t = COM_CheckParm ("-HPARENT")) > 0) {
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if (t < com_argc)
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heventParent = (HANDLE) atoi (com_argv[t + 1]);
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}
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if ((t = COM_CheckParm ("-HCHILD")) > 0) {
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if (t < com_argc)
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heventChild = (HANDLE) atoi (com_argv[t + 1]);
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}
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InitConProc (hFile, heventParent, heventChild);
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}
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Host_Init ();
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Sys_RegisterShutdown (Host_Shutdown);
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Sys_RegisterShutdown (shutdown);
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oldtime = Sys_DoubleTime ();
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/* main window message loop */
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while (1) {
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if (isDedicated) {
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newtime = Sys_DoubleTime ();
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time = newtime - oldtime;
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while (time < sys_ticrate->value) {
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Sleep (1);
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newtime = Sys_DoubleTime ();
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time = newtime - oldtime;
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}
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} else {
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// yield the CPU for a little while when paused, minimized, or
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// not the focus
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if ((cl.paused && (!ActiveApp && !DDActive)) || Minimized
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|| block_drawing) {
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SleepUntilInput (PAUSE_SLEEP);
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scr_skipupdate = 1; // no point in bothering to draw
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} else if (!ActiveApp && !DDActive) {
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SleepUntilInput (NOT_FOCUS_SLEEP);
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}
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newtime = Sys_DoubleTime ();
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time = newtime - oldtime;
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}
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Host_Frame (time);
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oldtime = newtime;
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}
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/* return success of application */
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return TRUE;
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}
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