mirror of
https://git.code.sf.net/p/quake/quakeforge-old
synced 2024-11-24 21:01:17 +00:00
636 lines
12 KiB
C
636 lines
12 KiB
C
/*
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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 the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// sys_win.c -- Win32 system interface code
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#include "quakedef.h"
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#include "winquake.h"
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#include "resource.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#define MINIMUM_WIN_MEMORY 0x0c00000
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#define MAXIMUM_WIN_MEMORY 0x1000000
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#define PAUSE_SLEEP 50 // sleep time on pause or minimization
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#define NOT_FOCUS_SLEEP 20 // sleep time when not focus
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int starttime;
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qboolean ActiveApp, Minimized;
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qboolean WinNT;
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HWND hwnd_dialog; // startup dialog box
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static double pfreq;
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static double curtime = 0.0;
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static double lastcurtime = 0.0;
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static int lowshift;
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static HANDLE hinput, houtput;
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HANDLE qwclsemaphore;
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static HANDLE tevent;
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void Sys_InitFloatTime (void);
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void MaskExceptions (void);
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void Sys_PopFPCW (void);
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void Sys_PushFPCW_SetHigh (void);
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void Sys_DebugLog(char *file, char *fmt, ...)
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{
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va_list argptr;
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static char data[1024];
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int fd;
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va_start(argptr, fmt);
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vsnprintf(data, sizeof(data), fmt, argptr);
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va_end(argptr);
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fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
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write(fd, data, strlen(data));
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close(fd);
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};
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/*
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===============================================================================
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FILE IO
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===============================================================================
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*/
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#if 0
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/*
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================
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filelength
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================
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*/
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int filelength (FILE *f)
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{
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int pos;
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int end;
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pos = ftell (f);
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fseek (f, 0, SEEK_END);
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end = ftell (f);
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fseek (f, pos, SEEK_SET);
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return end;
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}
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#endif
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/*
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===============================================================================
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SYSTEM IO
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===============================================================================
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*/
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/*
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================
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Sys_MakeCodeWriteable
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================
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*/
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void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
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{
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DWORD flOldProtect;
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//@@@ copy on write or just read-write?
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if (!VirtualProtect((LPVOID)startaddr, length, PAGE_READWRITE, &flOldProtect))
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Sys_Error("Protection change failed\n");
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}
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/*
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================
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Sys_Init
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================
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*/
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void 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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#ifndef SERVERONLY
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// allocate a named semaphore on the client so the
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// front end can tell if it is alive
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// mutex will fail if semephore allready exists
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qwclsemaphore = CreateMutex(
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NULL, /* Security attributes */
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0, /* owner */
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"qwcl"); /* Semaphore name */
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if (!qwclsemaphore)
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Sys_Error ("QWCL is already running on this system");
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CloseHandle (qwclsemaphore);
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qwclsemaphore = CreateSemaphore(
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NULL, /* Security attributes */
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0, /* Initial count */
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1, /* Maximum count */
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"qwcl"); /* Semaphore name */
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#endif
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MaskExceptions ();
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Sys_SetFPCW ();
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#if 0
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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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{
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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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Sys_InitFloatTime ();
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#endif
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// make sure the timer is high precision, otherwise
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// NT gets 18ms resolution
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timeBeginPeriod( 1 );
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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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{
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Sys_Error ("QuakeWorld 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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void Sys_Error (char *error, ...)
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{
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va_list argptr;
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char text[1024], text2[1024];
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DWORD dummy;
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Host_Shutdown ();
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va_start (argptr, error);
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vsnprintf (text, sizeof(text), error, argptr);
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va_end (argptr);
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MessageBox(NULL, text, "Error", 0 /* MB_OK */ );
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#ifndef SERVERONLY
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CloseHandle (qwclsemaphore);
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#endif
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exit (1);
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}
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void Sys_Quit (void)
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{
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VID_ForceUnlockedAndReturnState ();
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Host_Shutdown();
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#ifndef SERVERONLY
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if (tevent)
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CloseHandle (tevent);
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if (qwclsemaphore)
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CloseHandle (qwclsemaphore);
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#endif
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exit (0);
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}
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#if 0
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/*
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================
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Sys_DoubleTime
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================
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*/
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double Sys_DoubleTime (void)
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{
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static int sametimecount;
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static unsigned int oldtime;
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static int first = 1;
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LARGE_INTEGER PerformanceCount;
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unsigned int temp, t2;
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double time;
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Sys_PushFPCW_SetHigh ();
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QueryPerformanceCounter (&PerformanceCount);
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temp = ((unsigned int)PerformanceCount.LowPart >> lowshift) |
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((unsigned int)PerformanceCount.HighPart << (32 - lowshift));
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if (first)
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{
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oldtime = temp;
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first = 0;
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}
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else
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{
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// check for turnover or backward time
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if ((temp <= oldtime) && ((oldtime - temp) < 0x10000000))
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{
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oldtime = temp; // so we can't get stuck
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}
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else
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{
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t2 = temp - oldtime;
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time = (double)t2 * pfreq;
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oldtime = temp;
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curtime += time;
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if (curtime == lastcurtime)
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{
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sametimecount++;
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if (sametimecount > 100000)
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{
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curtime += 1.0;
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sametimecount = 0;
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}
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}
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else
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{
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sametimecount = 0;
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}
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lastcurtime = curtime;
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}
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}
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Sys_PopFPCW ();
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return curtime;
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}
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/*
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================
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Sys_InitFloatTime
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================
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*/
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void Sys_InitFloatTime (void)
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{
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int j;
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Sys_DoubleTime ();
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j = COM_CheckParm("-starttime");
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if (j)
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{
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curtime = (double) (Q_atof(com_argv[j+1]));
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}
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else
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{
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curtime = 0.0;
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}
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lastcurtime = curtime;
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}
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#endif
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char *Sys_ConsoleInput (void)
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{
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static char text[256];
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static int len;
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INPUT_RECORD recs[1024];
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int count;
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int i, dummy;
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int ch, numread, numevents;
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HANDLE th;
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char *clipText, *textCopied;
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for ( ;; )
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{
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if (!GetNumberOfConsoleInputEvents (hinput, &numevents))
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Sys_Error ("Error getting # of console events");
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if (numevents <= 0)
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break;
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if (!ReadConsoleInput(hinput, recs, 1, &numread))
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Sys_Error ("Error reading console input");
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if (numread != 1)
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Sys_Error ("Couldn't read console input");
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if (recs[0].EventType == KEY_EVENT)
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{
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if (!recs[0].Event.KeyEvent.bKeyDown)
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{
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ch = recs[0].Event.KeyEvent.uChar.AsciiChar;
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switch (ch)
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{
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case '\r':
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WriteFile(houtput, "\r\n", 2, &dummy, NULL);
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if (len)
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{
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text[len] = 0;
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len = 0;
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return text;
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}
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break;
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case '\b':
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WriteFile(houtput, "\b \b", 3, &dummy, NULL);
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if (len)
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{
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len--;
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putch('\b');
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}
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break;
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default:
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Con_Printf("Stupid: %d\n", recs[0].Event.KeyEvent.dwControlKeyState);
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if (((ch=='V' || ch=='v') && (recs[0].Event.KeyEvent.dwControlKeyState &
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(LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))) || ((recs[0].Event.KeyEvent.dwControlKeyState
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& SHIFT_PRESSED) && (recs[0].Event.KeyEvent.wVirtualKeyCode
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==VK_INSERT))) {
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if (OpenClipboard(NULL)) {
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th = GetClipboardData(CF_TEXT);
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if (th) {
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clipText = GlobalLock(th);
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if (clipText) {
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textCopied = malloc(GlobalSize(th)+1);
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strcpy(textCopied, clipText);
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/* Substitutes a NULL for every token */strtok(textCopied, "\n\r\b");
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i = strlen(textCopied);
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if (i+len>=256)
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i=256-len;
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if (i>0) {
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textCopied[i]=0;
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text[len]=0;
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strcat(text, textCopied);
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len+=dummy;
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WriteFile(houtput, textCopied, i, &dummy, NULL);
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}
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free(textCopied);
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}
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GlobalUnlock(th);
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}
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CloseClipboard();
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}
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} else if (ch >= ' ')
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{
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WriteFile(houtput, &ch, 1, &dummy, NULL);
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text[len] = ch;
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len = (len + 1) & 0xff;
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}
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break;
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}
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}
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}
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}
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return NULL;
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}
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void Sys_Sleep (void)
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{
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}
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void Sys_SendKeyEvents (void)
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{
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MSG msg;
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while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
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{
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// we always update if there are any event, even if we're paused
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scr_skipupdate = 0;
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if (!GetMessage (&msg, NULL, 0, 0))
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Sys_Quit ();
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TranslateMessage (&msg);
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DispatchMessage (&msg);
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}
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}
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/*
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==============================================================================
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WINDOWS CRAP
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==============================================================================
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*/
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/*
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==================
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WinMain
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==================
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*/
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void 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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/*
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==================
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WinMain
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==================
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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 WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
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{
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MSG msg;
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quakeparms_t parms;
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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[Q_strlen(cwd)-1] == '/')
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cwd[Q_strlen(cwd)-1] = 0;
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parms.basedir = cwd;
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parms.cachedir = NULL;
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parms.argc = 1;
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argv[0] = empty_string;
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while (*lpCmdLine && (parms.argc < MAX_NUM_ARGVS))
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{
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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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{
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argv[parms.argc] = lpCmdLine;
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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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{
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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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parms.argv = argv;
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COM_InitArgv (parms.argc, parms.argv);
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parms.argc = com_argc;
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parms.argv = com_argv;
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hwnd_dialog = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, NULL);
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if (hwnd_dialog)
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{
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if (GetWindowRect (hwnd_dialog, &rect))
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{
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if (rect.left > (rect.top * 2))
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{
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SetWindowPos (hwnd_dialog, 0,
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(rect.left / 2) - ((rect.right - rect.left) / 2),
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rect.top, 0, 0,
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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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// take the greater of all the available memory or half the total memory,
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// but at least 8 Mb and no more than 16 Mb, unless they explicitly
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// request otherwise
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parms.memsize = lpBuffer.dwAvailPhys;
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if (parms.memsize < MINIMUM_WIN_MEMORY)
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parms.memsize = MINIMUM_WIN_MEMORY;
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if (parms.memsize < (lpBuffer.dwTotalPhys >> 1))
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parms.memsize = lpBuffer.dwTotalPhys >> 1;
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if (parms.memsize > MAXIMUM_WIN_MEMORY)
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parms.memsize = MAXIMUM_WIN_MEMORY;
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if (COM_CheckParm ("-heapsize"))
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{
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t = COM_CheckParm("-heapsize") + 1;
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if (t < com_argc)
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parms.memsize = Q_atoi (com_argv[t]) * 1024;
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}
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parms.membase = malloc (parms.memsize);
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if (!parms.membase)
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Sys_Error ("Not enough memory free; check disk space\n");
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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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Sys_Init ();
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// because sound is off until we become active
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S_BlockSound ();
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Sys_Printf ("Host_Init\n");
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Host_Init (&parms);
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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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{
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// yield the CPU for a little while when paused, minimized, or not the focus
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if ((cl.paused && (!ActiveApp && !DDActive)) || Minimized || block_drawing)
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{
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SleepUntilInput (PAUSE_SLEEP);
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|
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;
|
|
}
|
|
|