894 lines
16 KiB
C
894 lines
16 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 "errno.h"
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#include "resource.h"
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#include "conproc.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 running
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// dedicated before exiting
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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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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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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 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_InitFloatTime (void);
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void Sys_PushFPCW_SetHigh (void);
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void Sys_PopFPCW (void);
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volatile int sys_checksum;
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/*
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================
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Sys_PageIn
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================
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*/
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void Sys_PageIn (void *ptr, int size)
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{
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byte *x;
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int j, m, n;
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// touch all the memory to make sure it's there. The 16-page skip is to
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// keep Win 95 from thinking we're trying to page ourselves in (we are
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// doing that, of course, but there's no reason we shouldn't)
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x = (byte *)ptr;
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for (n=0 ; n<4 ; n++)
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{
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for (m=0 ; m<(size - 16 * 0x1000) ; m += 4)
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{
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sys_checksum += *(int *)&x[m];
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sys_checksum += *(int *)&x[m + 16 * 0x1000];
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}
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}
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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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#define MAX_HANDLES 10
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FILE *sys_handles[MAX_HANDLES];
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int 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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/*
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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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int t;
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t = VID_ForceUnlockedAndReturnState ();
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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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VID_ForceLockState (t);
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return end;
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}
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int Sys_FileOpenRead (char *path, int *hndl)
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{
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FILE *f;
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int i, retval;
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int t;
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t = VID_ForceUnlockedAndReturnState ();
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i = findhandle ();
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f = fopen(path, "rb");
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if (!f)
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{
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*hndl = -1;
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retval = -1;
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}
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else
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{
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sys_handles[i] = f;
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*hndl = i;
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retval = filelength(f);
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}
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VID_ForceLockState (t);
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return retval;
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}
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int Sys_FileOpenWrite (char *path)
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{
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FILE *f;
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int i;
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int t;
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t = VID_ForceUnlockedAndReturnState ();
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i = findhandle ();
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f = fopen(path, "wb");
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if (!f)
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Sys_Error ("Error opening %s: %s", path,strerror(errno));
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sys_handles[i] = f;
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VID_ForceLockState (t);
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return i;
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}
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void Sys_FileClose (int handle)
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{
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int t;
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t = VID_ForceUnlockedAndReturnState ();
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fclose (sys_handles[handle]);
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sys_handles[handle] = NULL;
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VID_ForceLockState (t);
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}
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void Sys_FileSeek (int handle, int position)
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{
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int t;
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t = VID_ForceUnlockedAndReturnState ();
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fseek (sys_handles[handle], position, SEEK_SET);
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VID_ForceLockState (t);
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}
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int Sys_FileRead (int handle, void *dest, int count)
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{
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int t, x;
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t = VID_ForceUnlockedAndReturnState ();
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x = fread (dest, 1, count, sys_handles[handle]);
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VID_ForceLockState (t);
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return x;
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}
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int Sys_FileWrite (int handle, void *data, int count)
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{
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int t, x;
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t = VID_ForceUnlockedAndReturnState ();
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x = fwrite (data, 1, count, sys_handles[handle]);
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VID_ForceLockState (t);
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return x;
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}
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int Sys_FileTime (char *path)
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{
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FILE *f;
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int t, retval;
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t = VID_ForceUnlockedAndReturnState ();
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f = fopen(path, "rb");
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if (f)
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{
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fclose(f);
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retval = 1;
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}
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else
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{
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retval = -1;
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}
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VID_ForceLockState (t);
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return retval;
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}
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void Sys_mkdir (char *path)
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{
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_mkdir (path);
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}
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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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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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#ifndef _M_IX86
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void Sys_SetFPCW (void)
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{
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}
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void Sys_PushFPCW_SetHigh (void)
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{
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}
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void Sys_PopFPCW (void)
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{
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}
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void MaskExceptions (void)
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{
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}
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#endif
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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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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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{
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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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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 ("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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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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char *text3 = "Press Enter to exit\n";
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char *text4 = "***********************************\n";
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char *text5 = "\n";
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DWORD dummy;
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double starttime;
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static int in_sys_error0 = 0;
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static int in_sys_error1 = 0;
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static int in_sys_error2 = 0;
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static int in_sys_error3 = 0;
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if (!in_sys_error3)
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{
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in_sys_error3 = 1;
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VID_ForceUnlockedAndReturnState ();
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}
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va_start (argptr, error);
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vsprintf (text, error, argptr);
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va_end (argptr);
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if (isDedicated)
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{
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va_start (argptr, error);
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vsprintf (text, error, argptr);
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va_end (argptr);
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sprintf (text2, "ERROR: %s\n", text);
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WriteFile (houtput, text5, strlen (text5), &dummy, NULL);
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WriteFile (houtput, text4, strlen (text4), &dummy, NULL);
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WriteFile (houtput, text2, strlen (text2), &dummy, NULL);
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WriteFile (houtput, text3, strlen (text3), &dummy, NULL);
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WriteFile (houtput, text4, strlen (text4), &dummy, NULL);
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starttime = Sys_FloatTime ();
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sc_return_on_enter = true; // so Enter will get us out of here
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while (!Sys_ConsoleInput () &&
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((Sys_FloatTime () - starttime) < CONSOLE_ERROR_TIMEOUT))
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{
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}
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}
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else
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{
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// switch to windowed so the message box is visible, unless we already
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// tried that and failed
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if (!in_sys_error0)
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{
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in_sys_error0 = 1;
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VID_SetDefaultMode ();
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MessageBox(NULL, text, "Quake Error",
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MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
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}
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else
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{
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MessageBox(NULL, text, "Double Quake Error",
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MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
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}
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}
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if (!in_sys_error1)
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{
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in_sys_error1 = 1;
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Host_Shutdown ();
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}
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// shut down QHOST hooks if necessary
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if (!in_sys_error2)
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{
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in_sys_error2 = 1;
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DeinitConProc ();
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}
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exit (1);
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}
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void Sys_Printf (char *fmt, ...)
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{
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va_list argptr;
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char text[1024];
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DWORD dummy;
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if (isDedicated)
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{
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va_start (argptr,fmt);
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vsprintf (text, fmt, argptr);
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va_end (argptr);
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WriteFile(houtput, text, strlen (text), &dummy, NULL);
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}
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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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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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exit (0);
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}
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/*
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================
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Sys_FloatTime
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================
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*/
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double Sys_FloatTime (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_FloatTime ();
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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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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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if (!isDedicated)
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return NULL;
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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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else if (sc_return_on_enter)
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{
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// special case to allow exiting from the error handler on Enter
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text[0] = '\r';
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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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}
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break;
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default:
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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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Sleep (1);
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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 ();
|
|
|
|
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;
|
|
|
|
isDedicated = (COM_CheckParm ("-dedicated") != 0);
|
|
|
|
if (!isDedicated)
|
|
{
|
|
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");
|
|
|
|
Sys_PageIn (parms.membase, parms.memsize);
|
|
|
|
tevent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
|
|
if (!tevent)
|
|
Sys_Error ("Couldn't create event");
|
|
|
|
if (isDedicated)
|
|
{
|
|
if (!AllocConsole ())
|
|
{
|
|
Sys_Error ("Couldn't create dedicated server console");
|
|
}
|
|
|
|
hinput = GetStdHandle (STD_INPUT_HANDLE);
|
|
houtput = GetStdHandle (STD_OUTPUT_HANDLE);
|
|
|
|
// give QHOST a chance to hook into the console
|
|
if ((t = COM_CheckParm ("-HFILE")) > 0)
|
|
{
|
|
if (t < com_argc)
|
|
hFile = (HANDLE)Q_atoi (com_argv[t+1]);
|
|
}
|
|
|
|
if ((t = COM_CheckParm ("-HPARENT")) > 0)
|
|
{
|
|
if (t < com_argc)
|
|
heventParent = (HANDLE)Q_atoi (com_argv[t+1]);
|
|
}
|
|
|
|
if ((t = COM_CheckParm ("-HCHILD")) > 0)
|
|
{
|
|
if (t < com_argc)
|
|
heventChild = (HANDLE)Q_atoi (com_argv[t+1]);
|
|
}
|
|
|
|
InitConProc (hFile, heventParent, heventChild);
|
|
}
|
|
|
|
Sys_Init ();
|
|
|
|
// because sound is off until we become active
|
|
S_BlockSound ();
|
|
|
|
Sys_Printf ("Host_Init\n");
|
|
Host_Init (&parms);
|
|
|
|
oldtime = Sys_FloatTime ();
|
|
|
|
/* main window message loop */
|
|
while (1)
|
|
{
|
|
if (isDedicated)
|
|
{
|
|
newtime = Sys_FloatTime ();
|
|
time = newtime - oldtime;
|
|
|
|
while (time < sys_ticrate.value )
|
|
{
|
|
Sys_Sleep();
|
|
newtime = Sys_FloatTime ();
|
|
time = newtime - oldtime;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// 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_FloatTime ();
|
|
time = newtime - oldtime;
|
|
}
|
|
|
|
Host_Frame (time);
|
|
oldtime = newtime;
|
|
}
|
|
|
|
/* return success of application */
|
|
return TRUE;
|
|
}
|
|
|