* Copied ioq3 src to trunk

1 files changed, 1264 insertions, 0 deletions

diff --git a/src/win32/win_main.c b/src/win32/win_main.c
new file mode 100644
index 00000000..ea73fb5d
--- /dev/null
+++ b/src/win32/win_main.c
@@ -0,0 +1,1264 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+// win_main.c
+
+#include "../client/client.h"
+#include "../qcommon/qcommon.h"
+#include "win_local.h"
+#include "resource.h"
+#include <errno.h>
+#include <float.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <direct.h>
+#include <io.h>
+#include <conio.h>
+
+#define	CD_BASEDIR	"quake3"
+#define	CD_EXE		"quake3.exe"
+#define	CD_BASEDIR_LINUX	"bin\\x86\\glibc-2.1"
+#define	CD_EXE_LINUX "quake3"
+#define MEM_THRESHOLD 96*1024*1024
+
+static char		sys_cmdline[MAX_STRING_CHARS];
+
+// define this to use alternate spanking method
+// I found out that the regular way doesn't work on my box for some reason
+// see the associated spank.sh script
+#define ALT_SPANK
+#ifdef ALT_SPANK
+#include <stdio.h>
+#include <sys\stat.h>
+
+int fh = 0;
+
+void Spk_Open(char *name)
+{
+  fh = open( name, O_TRUNC | O_CREAT | O_WRONLY, S_IREAD | S_IWRITE );
+};
+
+void Spk_Close(void)
+{
+  if (!fh)
+    return;
+
+  close( fh );
+  fh = 0;
+}
+
+void Spk_Printf (const char *text, ...)
+{
+  va_list argptr;
+  char buf[32768];
+
+  if (!fh)
+    return;
+
+  va_start (argptr,text);
+  vsprintf (buf, text, argptr);
+  write(fh, buf, strlen(buf));
+  _commit(fh);
+  va_end (argptr);
+
+};
+#endif
+
+/*
+==================
+Sys_LowPhysicalMemory()
+==================
+*/
+
+qboolean Sys_LowPhysicalMemory() {
+	MEMORYSTATUS stat;
+  GlobalMemoryStatus (&stat);
+	return (stat.dwTotalPhys <= MEM_THRESHOLD) ? qtrue : qfalse;
+}
+
+/*
+==================
+Sys_BeginProfiling
+==================
+*/
+void Sys_BeginProfiling( void ) {
+	// this is just used on the mac build
+}
+
+/*
+=============
+Sys_Error
+
+Show the early console as an error dialog
+=============
+*/
+void QDECL Sys_Error( const char *error, ... ) {
+	va_list		argptr;
+	char		text[4096];
+    MSG        msg;
+
+	va_start (argptr, error);
+	vsprintf (text, error, argptr);
+	va_end (argptr);
+
+	Conbuf_AppendText( text );
+	Conbuf_AppendText( "\n" );
+
+	Sys_SetErrorText( text );
+	Sys_ShowConsole( 1, qtrue );
+
+	timeEndPeriod( 1 );
+
+	IN_Shutdown();
+
+	// wait for the user to quit
+	while ( 1 ) {
+		if (!GetMessage (&msg, NULL, 0, 0))
+			Com_Quit_f ();
+		TranslateMessage (&msg);
+      	DispatchMessage (&msg);
+	}
+
+	Sys_DestroyConsole();
+
+	exit (1);
+}
+
+/*
+==============
+Sys_Quit
+==============
+*/
+void Sys_Quit( void ) {
+	timeEndPeriod( 1 );
+	IN_Shutdown();
+	Sys_DestroyConsole();
+
+	exit (0);
+}
+
+/*
+==============
+Sys_Print
+==============
+*/
+void Sys_Print( const char *msg ) {
+	Conbuf_AppendText( msg );
+}
+
+
+/*
+==============
+Sys_Mkdir
+==============
+*/
+void Sys_Mkdir( const char *path ) {
+	_mkdir (path);
+}
+
+/*
+==============
+Sys_Cwd
+==============
+*/
+char *Sys_Cwd( void ) {
+	static char cwd[MAX_OSPATH];
+
+	_getcwd( cwd, sizeof( cwd ) - 1 );
+	cwd[MAX_OSPATH-1] = 0;
+
+	return cwd;
+}
+
+/*
+==============
+Sys_DefaultCDPath
+==============
+*/
+char *Sys_DefaultCDPath( void ) {
+	return "";
+}
+
+/*
+==============
+Sys_DefaultBasePath
+==============
+*/
+char *Sys_DefaultBasePath( void ) {
+	return Sys_Cwd();
+}
+
+/*
+==============================================================
+
+DIRECTORY SCANNING
+
+==============================================================
+*/
+
+#define	MAX_FOUND_FILES	0x1000
+
+void Sys_ListFilteredFiles( const char *basedir, char *subdirs, char *filter, char **list, int *numfiles ) {
+	char		search[MAX_OSPATH], newsubdirs[MAX_OSPATH];
+	char		filename[MAX_OSPATH];
+	int			findhandle;
+	struct _finddata_t findinfo;
+
+	if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
+		return;
+	}
+
+	if (strlen(subdirs)) {
+		Com_sprintf( search, sizeof(search), "%s\\%s\\*", basedir, subdirs );
+	}
+	else {
+		Com_sprintf( search, sizeof(search), "%s\\*", basedir );
+	}
+
+	findhandle = _findfirst (search, &findinfo);
+	if (findhandle == -1) {
+		return;
+	}
+
+	do {
+		if (findinfo.attrib & _A_SUBDIR) {
+			if (Q_stricmp(findinfo.name, ".") && Q_stricmp(findinfo.name, "..")) {
+				if (strlen(subdirs)) {
+					Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s\\%s", subdirs, findinfo.name);
+				}
+				else {
+					Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s", findinfo.name);
+				}
+				Sys_ListFilteredFiles( basedir, newsubdirs, filter, list, numfiles );
+			}
+		}
+		if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
+			break;
+		}
+		Com_sprintf( filename, sizeof(filename), "%s\\%s", subdirs, findinfo.name );
+		if (!Com_FilterPath( filter, filename, qfalse ))
+			continue;
+		list[ *numfiles ] = CopyString( filename );
+		(*numfiles)++;
+	} while ( _findnext (findhandle, &findinfo) != -1 );
+
+	_findclose (findhandle);
+}
+
+static qboolean strgtr(const char *s0, const char *s1) {
+	int l0, l1, i;
+
+	l0 = strlen(s0);
+	l1 = strlen(s1);
+
+	if (l1<l0) {
+		l0 = l1;
+	}
+
+	for(i=0;i<l0;i++) {
+		if (s1[i] > s0[i]) {
+			return qtrue;
+		}
+		if (s1[i] < s0[i]) {
+			return qfalse;
+		}
+	}
+	return qfalse;
+}
+
+char **Sys_ListFiles( const char *directory, const char *extension, char *filter, int *numfiles, qboolean wantsubs ) {
+	char		search[MAX_OSPATH];
+	int			nfiles;
+	char		**listCopy;
+	char		*list[MAX_FOUND_FILES];
+	struct _finddata_t findinfo;
+	int			findhandle;
+	int			flag;
+	int			i;
+
+	if (filter) {
+
+		nfiles = 0;
+		Sys_ListFilteredFiles( directory, "", filter, list, &nfiles );
+
+		list[ nfiles ] = 0;
+		*numfiles = nfiles;
+
+		if (!nfiles)
+			return NULL;
+
+		listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
+		for ( i = 0 ; i < nfiles ; i++ ) {
+			listCopy[i] = list[i];
+		}
+		listCopy[i] = NULL;
+
+		return listCopy;
+	}
+
+	if ( !extension) {
+		extension = "";
+	}
+
+	// passing a slash as extension will find directories
+	if ( extension[0] == '/' && extension[1] == 0 ) {
+		extension = "";
+		flag = 0;
+	} else {
+		flag = _A_SUBDIR;
+	}
+
+	Com_sprintf( search, sizeof(search), "%s\\*%s", directory, extension );
+
+	// search
+	nfiles = 0;
+
+	findhandle = _findfirst (search, &findinfo);
+	if (findhandle == -1) {
+		*numfiles = 0;
+		return NULL;
+	}
+
+	do {
+		if ( (!wantsubs && flag ^ ( findinfo.attrib & _A_SUBDIR )) || (wantsubs && findinfo.attrib & _A_SUBDIR) ) {
+			if ( nfiles == MAX_FOUND_FILES - 1 ) {
+				break;
+			}
+			list[ nfiles ] = CopyString( findinfo.name );
+			nfiles++;
+		}
+	} while ( _findnext (findhandle, &findinfo) != -1 );
+
+	list[ nfiles ] = 0;
+
+	_findclose (findhandle);
+
+	// return a copy of the list
+	*numfiles = nfiles;
+
+	if ( !nfiles ) {
+		return NULL;
+	}
+
+	listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
+	for ( i = 0 ; i < nfiles ; i++ ) {
+		listCopy[i] = list[i];
+	}
+	listCopy[i] = NULL;
+
+	do {
+		flag = 0;
+		for(i=1; i<nfiles; i++) {
+			if (strgtr(listCopy[i-1], listCopy[i])) {
+				char *temp = listCopy[i];
+				listCopy[i] = listCopy[i-1];
+				listCopy[i-1] = temp;
+				flag = 1;
+			}
+		}
+	} while(flag);
+
+	return listCopy;
+}
+
+void	Sys_FreeFileList( char **list ) {
+	int		i;
+
+	if ( !list ) {
+		return;
+	}
+
+	for ( i = 0 ; list[i] ; i++ ) {
+		Z_Free( list[i] );
+	}
+
+	Z_Free( list );
+}
+
+//========================================================
+
+
+/*
+================
+Sys_ScanForCD
+
+Search all the drives to see if there is a valid CD to grab
+the cddir from
+================
+*/
+qboolean Sys_ScanForCD( void ) {
+	static char	cddir[MAX_OSPATH];
+	char		drive[4];
+	FILE		*f;
+	char		test[MAX_OSPATH];
+#if 0
+	// don't override a cdpath on the command line
+	if ( strstr( sys_cmdline, "cdpath" ) ) {
+		return;
+	}
+#endif
+
+	drive[0] = 'c';
+	drive[1] = ':';
+	drive[2] = '\\';
+	drive[3] = 0;
+
+	// scan the drives
+	for ( drive[0] = 'c' ; drive[0] <= 'z' ; drive[0]++ ) {
+		if ( GetDriveType (drive) != DRIVE_CDROM ) {
+			continue;
+		}
+
+		sprintf (cddir, "%s%s", drive, CD_BASEDIR);
+		sprintf (test, "%s\\%s", cddir, CD_EXE);
+		f = fopen( test, "r" );
+		if ( f ) {
+			fclose (f);
+			return qtrue;
+    } else {
+      sprintf(cddir, "%s%s", drive, CD_BASEDIR_LINUX);
+      sprintf(test, "%s\\%s", cddir, CD_EXE_LINUX);
+  		f = fopen( test, "r" );
+	  	if ( f ) {
+		  	fclose (f);
+			  return qtrue;
+      }
+    }
+	}
+
+	return qfalse;
+}
+
+/*
+================
+Sys_CheckCD
+
+Return true if the proper CD is in the drive
+================
+*/
+qboolean	Sys_CheckCD( void ) {
+  // FIXME: mission pack
+  return qtrue;
+	//return Sys_ScanForCD();
+}
+
+
+/*
+================
+Sys_GetClipboardData
+
+================
+*/
+char *Sys_GetClipboardData( void ) {
+	char *data = NULL;
+	char *cliptext;
+
+	if ( OpenClipboard( NULL ) != 0 ) {
+		HANDLE hClipboardData;
+
+		if ( ( hClipboardData = GetClipboardData( CF_TEXT ) ) != 0 ) {
+			if ( ( cliptext = GlobalLock( hClipboardData ) ) != 0 ) {
+				data = Z_Malloc( GlobalSize( hClipboardData ) + 1 );
+				Q_strncpyz( data, cliptext, GlobalSize( hClipboardData ) );
+				GlobalUnlock( hClipboardData );
+				
+				strtok( data, "\n\r\b" );
+			}
+		}
+		CloseClipboard();
+	}
+	return data;
+}
+
+
+/*
+========================================================================
+
+LOAD/UNLOAD DLL
+
+========================================================================
+*/
+
+/*
+=================
+Sys_UnloadDll
+
+=================
+*/
+void Sys_UnloadDll( void *dllHandle ) {
+	if ( !dllHandle ) {
+		return;
+	}
+	if ( !FreeLibrary( dllHandle ) ) {
+		Com_Error (ERR_FATAL, "Sys_UnloadDll FreeLibrary failed");
+	}
+}
+
+/*
+=================
+Sys_LoadDll
+
+Used to load a development dll instead of a virtual machine
+
+TTimo: added some verbosity in debug
+=================
+*/
+extern char		*FS_BuildOSPath( const char *base, const char *game, const char *qpath );
+
+// fqpath param added 7/20/02 by T.Ray - Sys_LoadDll is only called in vm.c at this time
+// fqpath will be empty if dll not loaded, otherwise will hold fully qualified path of dll module loaded
+// fqpath buffersize must be at least MAX_QPATH+1 bytes long
+void * QDECL Sys_LoadDll( const char *name, char *fqpath , long (QDECL **entryPoint)(long, ...),
+				  long (QDECL *systemcalls)(long, ...) ) {
+	static int	lastWarning = 0;
+	HINSTANCE	libHandle;
+	void	(QDECL *dllEntry)( long (QDECL *syscallptr)(long, ...) );
+	char	*basepath;
+	char	*cdpath;
+	char	*gamedir;
+	char	*fn;
+#ifdef NDEBUG
+	int		timestamp;
+  int   ret;
+#endif
+	char	filename[MAX_QPATH];
+
+	*fqpath = 0 ;		// added 7/20/02 by T.Ray
+
+	Com_sprintf( filename, sizeof( filename ), "%sx86.dll", name );
+
+#ifdef NDEBUG
+	timestamp = Sys_Milliseconds();
+	if( ((timestamp - lastWarning) > (5 * 60000)) && !Cvar_VariableIntegerValue( "dedicated" )
+		&& !Cvar_VariableIntegerValue( "com_blindlyLoadDLLs" ) ) {
+		if (FS_FileExists(filename)) {
+			lastWarning = timestamp;
+			ret = MessageBoxEx( NULL, "You are about to load a .DLL executable that\n"
+				  "has not been verified for use with Quake III Arena.\n"
+				  "This type of file can compromise the security of\n"
+				  "your computer.\n\n"
+				  "Select 'OK' if you choose to load it anyway.",
+				  "Security Warning", MB_OKCANCEL | MB_ICONEXCLAMATION | MB_DEFBUTTON2 | MB_TOPMOST | MB_SETFOREGROUND,
+				  MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ) );
+			if( ret != IDOK ) {
+				return NULL;
+			}
+		}
+	}
+#endif
+
+#ifndef NDEBUG
+	libHandle = LoadLibrary( filename );
+  if (libHandle)
+    Com_Printf("LoadLibrary '%s' ok\n", filename);
+  else
+    Com_Printf("LoadLibrary '%s' failed\n", filename);
+	if ( !libHandle ) {
+#endif
+	basepath = Cvar_VariableString( "fs_basepath" );
+	cdpath = Cvar_VariableString( "fs_cdpath" );
+	gamedir = Cvar_VariableString( "fs_game" );
+
+	fn = FS_BuildOSPath( basepath, gamedir, filename );
+	libHandle = LoadLibrary( fn );
+#ifndef NDEBUG
+  if (libHandle)
+    Com_Printf("LoadLibrary '%s' ok\n", fn);
+  else
+    Com_Printf("LoadLibrary '%s' failed\n", fn);
+#endif
+
+	if ( !libHandle ) {
+		if( cdpath[0] ) {
+			fn = FS_BuildOSPath( cdpath, gamedir, filename );
+			libHandle = LoadLibrary( fn );
+#ifndef NDEBUG
+      if (libHandle)
+        Com_Printf("LoadLibrary '%s' ok\n", fn);
+      else
+        Com_Printf("LoadLibrary '%s' failed\n", fn);
+#endif
+		}
+
+		if ( !libHandle ) {
+			return NULL;
+		}
+	}
+#ifndef NDEBUG
+	}
+#endif
+
+	dllEntry = ( void (QDECL *)(long (QDECL *)( long, ... ) ) )GetProcAddress( libHandle, "dllEntry" ); 
+	*entryPoint = (long (QDECL *)(long,...))GetProcAddress( libHandle, "vmMain" );
+	if ( !*entryPoint || !dllEntry ) {
+		FreeLibrary( libHandle );
+		return NULL;
+	}
+	dllEntry( systemcalls );
+
+	if ( libHandle ) Q_strncpyz ( fqpath , filename , MAX_QPATH ) ;		// added 7/20/02 by T.Ray
+	return libHandle;
+}
+
+
+/*
+========================================================================
+
+BACKGROUND FILE STREAMING
+
+========================================================================
+*/
+
+#if 1
+
+void Sys_InitStreamThread( void ) {
+}
+
+void Sys_ShutdownStreamThread( void ) {
+}
+
+void Sys_BeginStreamedFile( fileHandle_t f, int readAhead ) {
+}
+
+void Sys_EndStreamedFile( fileHandle_t f ) {
+}
+
+int Sys_StreamedRead( void *buffer, int size, int count, fileHandle_t f ) {
+   return FS_Read( buffer, size * count, f );
+}
+
+void Sys_StreamSeek( fileHandle_t f, int offset, int origin ) {
+   FS_Seek( f, offset, origin );
+}
+
+
+#else
+
+typedef struct {
+	fileHandle_t	file;
+	byte	*buffer;
+	qboolean	eof;
+	qboolean	active;
+	int		bufferSize;
+	int		streamPosition;	// next byte to be returned by Sys_StreamRead
+	int		threadPosition;	// next byte to be read from file
+} streamsIO_t;
+
+typedef struct {
+	HANDLE				threadHandle;
+	int					threadId;
+	CRITICAL_SECTION	crit;
+	streamsIO_t			sIO[MAX_FILE_HANDLES];
+} streamState_t;
+
+streamState_t	stream;
+
+/*
+===============
+Sys_StreamThread
+
+A thread will be sitting in this loop forever
+================
+*/
+void Sys_StreamThread( void ) {
+	int		buffer;
+	int		count;
+	int		readCount;
+	int		bufferPoint;
+	int		r, i;
+
+	while (1) {
+		Sleep( 10 );
+//		EnterCriticalSection (&stream.crit);
+
+		for (i=1;i<MAX_FILE_HANDLES;i++) {
+			// if there is any space left in the buffer, fill it up
+			if ( stream.sIO[i].active  && !stream.sIO[i].eof ) {
+				count = stream.sIO[i].bufferSize - (stream.sIO[i].threadPosition - stream.sIO[i].streamPosition);
+				if ( !count ) {
+					continue;
+				}
+
+				bufferPoint = stream.sIO[i].threadPosition % stream.sIO[i].bufferSize;
+				buffer = stream.sIO[i].bufferSize - bufferPoint;
+				readCount = buffer < count ? buffer : count;
+
+				r = FS_Read( stream.sIO[i].buffer + bufferPoint, readCount, stream.sIO[i].file );
+				stream.sIO[i].threadPosition += r;
+
+				if ( r != readCount ) {
+					stream.sIO[i].eof = qtrue;
+				}
+			}
+		}
+//		LeaveCriticalSection (&stream.crit);
+	}
+}
+
+/*
+===============
+Sys_InitStreamThread
+
+================
+*/
+void Sys_InitStreamThread( void ) {
+	int i;
+
+	InitializeCriticalSection ( &stream.crit );
+
+	// don't leave the critical section until there is a
+	// valid file to stream, which will cause the StreamThread
+	// to sleep without any overhead
+//	EnterCriticalSection( &stream.crit );
+
+	stream.threadHandle = CreateThread(
+	   NULL,	// LPSECURITY_ATTRIBUTES lpsa,
+	   0,		// DWORD cbStack,
+	   (LPTHREAD_START_ROUTINE)Sys_StreamThread,	// LPTHREAD_START_ROUTINE lpStartAddr,
+	   0,			// LPVOID lpvThreadParm,
+	   0,			//   DWORD fdwCreate,
+	   &stream.threadId);
+	for(i=0;i<MAX_FILE_HANDLES;i++) {
+		stream.sIO[i].active = qfalse;
+	}
+}
+
+/*
+===============
+Sys_ShutdownStreamThread
+
+================
+*/
+void Sys_ShutdownStreamThread( void ) {
+}
+
+
+/*
+===============
+Sys_BeginStreamedFile
+
+================
+*/
+void Sys_BeginStreamedFile( fileHandle_t f, int readAhead ) {
+	if ( stream.sIO[f].file ) {
+		Sys_EndStreamedFile( stream.sIO[f].file );
+	}
+
+	stream.sIO[f].file = f;
+	stream.sIO[f].buffer = Z_Malloc( readAhead );
+	stream.sIO[f].bufferSize = readAhead;
+	stream.sIO[f].streamPosition = 0;
+	stream.sIO[f].threadPosition = 0;
+	stream.sIO[f].eof = qfalse;
+	stream.sIO[f].active = qtrue;
+
+	// let the thread start running
+//	LeaveCriticalSection( &stream.crit );
+}
+
+/*
+===============
+Sys_EndStreamedFile
+
+================
+*/
+void Sys_EndStreamedFile( fileHandle_t f ) {
+	if ( f != stream.sIO[f].file ) {
+		Com_Error( ERR_FATAL, "Sys_EndStreamedFile: wrong file");
+	}
+	// don't leave critical section until another stream is started
+	EnterCriticalSection( &stream.crit );
+
+	stream.sIO[f].file = 0;
+	stream.sIO[f].active = qfalse;
+
+	Z_Free( stream.sIO[f].buffer );
+
+	LeaveCriticalSection( &stream.crit );
+}
+
+
+/*
+===============
+Sys_StreamedRead
+
+================
+*/
+int Sys_StreamedRead( void *buffer, int size, int count, fileHandle_t f ) {
+	int		available;
+	int		remaining;
+	int		sleepCount;
+	int		copy;
+	int		bufferCount;
+	int		bufferPoint;
+	byte	*dest;
+
+	if (stream.sIO[f].active == qfalse) {
+		Com_Error( ERR_FATAL, "Streamed read with non-streaming file" );
+	}
+
+	dest = (byte *)buffer;
+	remaining = size * count;
+
+	if ( remaining <= 0 ) {
+		Com_Error( ERR_FATAL, "Streamed read with non-positive size" );
+	}
+
+	sleepCount = 0;
+	while ( remaining > 0 ) {
+		available = stream.sIO[f].threadPosition - stream.sIO[f].streamPosition;
+		if ( !available ) {
+			if ( stream.sIO[f].eof ) {
+				break;
+			}
+			if ( sleepCount == 1 ) {
+				Com_DPrintf( "Sys_StreamedRead: waiting\n" );
+			}
+			if ( ++sleepCount > 100 ) {
+				Com_Error( ERR_FATAL, "Sys_StreamedRead: thread has died");
+			}
+			Sleep( 10 );
+			continue;
+		}
+
+		EnterCriticalSection( &stream.crit );
+
+		bufferPoint = stream.sIO[f].streamPosition % stream.sIO[f].bufferSize;
+		bufferCount = stream.sIO[f].bufferSize - bufferPoint;
+
+		copy = available < bufferCount ? available : bufferCount;
+		if ( copy > remaining ) {
+			copy = remaining;
+		}
+		memcpy( dest, stream.sIO[f].buffer + bufferPoint, copy );
+		stream.sIO[f].streamPosition += copy;
+		dest += copy;
+		remaining -= copy;
+
+		LeaveCriticalSection( &stream.crit );
+	}
+
+	return (count * size - remaining) / size;
+}
+
+/*
+===============
+Sys_StreamSeek
+
+================
+*/
+void Sys_StreamSeek( fileHandle_t f, int offset, int origin ) {
+
+	// halt the thread
+	EnterCriticalSection( &stream.crit );
+
+	// clear to that point
+	FS_Seek( f, offset, origin );
+	stream.sIO[f].streamPosition = 0;
+	stream.sIO[f].threadPosition = 0;
+	stream.sIO[f].eof = qfalse;
+
+	// let the thread start running at the new position
+	LeaveCriticalSection( &stream.crit );
+}
+
+#endif
+
+/*
+========================================================================
+
+EVENT LOOP
+
+========================================================================
+*/
+
+#define	MAX_QUED_EVENTS		256
+#define	MASK_QUED_EVENTS	( MAX_QUED_EVENTS - 1 )
+
+sysEvent_t	eventQue[MAX_QUED_EVENTS];
+int			eventHead, eventTail;
+byte		sys_packetReceived[MAX_MSGLEN];
+
+/*
+================
+Sys_QueEvent
+
+A time of 0 will get the current time
+Ptr should either be null, or point to a block of data that can
+be freed by the game later.
+================
+*/
+void Sys_QueEvent( int time, sysEventType_t type, int value, int value2, int ptrLength, void *ptr ) {
+	sysEvent_t	*ev;
+
+	ev = &eventQue[ eventHead & MASK_QUED_EVENTS ];
+	if ( eventHead - eventTail >= MAX_QUED_EVENTS ) {
+		Com_Printf("Sys_QueEvent: overflow\n");
+		// we are discarding an event, but don't leak memory
+		if ( ev->evPtr ) {
+			Z_Free( ev->evPtr );
+		}
+		eventTail++;
+	}
+
+	eventHead++;
+
+	if ( time == 0 ) {
+		time = Sys_Milliseconds();
+	}
+
+	ev->evTime = time;
+	ev->evType = type;
+	ev->evValue = value;
+	ev->evValue2 = value2;
+	ev->evPtrLength = ptrLength;
+	ev->evPtr = ptr;
+}
+
+/*
+================
+Sys_GetEvent
+
+================
+*/
+sysEvent_t Sys_GetEvent( void ) {
+    MSG			msg;
+	sysEvent_t	ev;
+	char		*s;
+	msg_t		netmsg;
+	netadr_t	adr;
+
+	// return if we have data
+	if ( eventHead > eventTail ) {
+		eventTail++;
+		return eventQue[ ( eventTail - 1 ) & MASK_QUED_EVENTS ];
+	}
+
+	// pump the message loop
+	while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE)) {
+		if ( !GetMessage (&msg, NULL, 0, 0) ) {
+			Com_Quit_f();
+		}
+
+		// save the msg time, because wndprocs don't have access to the timestamp
+		g_wv.sysMsgTime = msg.time;
+
+		TranslateMessage (&msg);
+      	DispatchMessage (&msg);
+	}
+
+	// check for console commands
+	s = Sys_ConsoleInput();
+	if ( s ) {
+		char	*b;
+		int		len;
+
+		len = strlen( s ) + 1;
+		b = Z_Malloc( len );
+		Q_strncpyz( b, s, len-1 );
+		Sys_QueEvent( 0, SE_CONSOLE, 0, 0, len, b );
+	}
+
+	// check for network packets
+	MSG_Init( &netmsg, sys_packetReceived, sizeof( sys_packetReceived ) );
+	if ( Sys_GetPacket ( &adr, &netmsg ) ) {
+		netadr_t		*buf;
+		int				len;
+
+		// copy out to a seperate buffer for qeueing
+		// the readcount stepahead is for SOCKS support
+		len = sizeof( netadr_t ) + netmsg.cursize - netmsg.readcount;
+		buf = Z_Malloc( len );
+		*buf = adr;
+		memcpy( buf+1, &netmsg.data[netmsg.readcount], netmsg.cursize - netmsg.readcount );
+		Sys_QueEvent( 0, SE_PACKET, 0, 0, len, buf );
+	}
+
+	// return if we have data
+	if ( eventHead > eventTail ) {
+		eventTail++;
+		return eventQue[ ( eventTail - 1 ) & MASK_QUED_EVENTS ];
+	}
+
+	// create an empty event to return
+
+	memset( &ev, 0, sizeof( ev ) );
+	ev.evTime = timeGetTime();
+
+	return ev;
+}
+
+//================================================================
+
+/*
+=================
+Sys_In_Restart_f
+
+Restart the input subsystem
+=================
+*/
+void Sys_In_Restart_f( void ) {
+	IN_Shutdown();
+	IN_Init();
+}
+
+
+/*
+=================
+Sys_Net_Restart_f
+
+Restart the network subsystem
+=================
+*/
+void Sys_Net_Restart_f( void ) {
+	NET_Restart();
+}
+
+
+/*
+================
+Sys_Init
+
+Called after the common systems (cvars, files, etc)
+are initialized
+================
+*/
+#define OSR2_BUILD_NUMBER 1111
+#define WIN98_BUILD_NUMBER 1998
+
+void Sys_Init( void ) {
+	int cpuid;
+
+	// make sure the timer is high precision, otherwise
+	// NT gets 18ms resolution
+	timeBeginPeriod( 1 );
+
+	Cmd_AddCommand ("in_restart", Sys_In_Restart_f);
+	Cmd_AddCommand ("net_restart", Sys_Net_Restart_f);
+
+	g_wv.osversion.dwOSVersionInfoSize = sizeof( g_wv.osversion );
+
+	if (!GetVersionEx (&g_wv.osversion))
+		Sys_Error ("Couldn't get OS info");
+
+	if (g_wv.osversion.dwMajorVersion < 4)
+		Sys_Error ("Quake3 requires Windows version 4 or greater");
+	if (g_wv.osversion.dwPlatformId == VER_PLATFORM_WIN32s)
+		Sys_Error ("Quake3 doesn't run on Win32s");
+
+	if ( g_wv.osversion.dwPlatformId == VER_PLATFORM_WIN32_NT )
+	{
+		Cvar_Set( "arch", "winnt" );
+	}
+	else if ( g_wv.osversion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS )
+	{
+		if ( LOWORD( g_wv.osversion.dwBuildNumber ) >= WIN98_BUILD_NUMBER )
+		{
+			Cvar_Set( "arch", "win98" );
+		}
+		else if ( LOWORD( g_wv.osversion.dwBuildNumber ) >= OSR2_BUILD_NUMBER )
+		{
+			Cvar_Set( "arch", "win95 osr2.x" );
+		}
+		else
+		{
+			Cvar_Set( "arch", "win95" );
+		}
+	}
+	else
+	{
+		Cvar_Set( "arch", "unknown Windows variant" );
+	}
+
+	// save out a couple things in rom cvars for the renderer to access
+	Cvar_Get( "win_hinstance", va("%i", (int)g_wv.hInstance), CVAR_ROM );
+	Cvar_Get( "win_wndproc", va("%i", (int)MainWndProc), CVAR_ROM );
+
+	//
+	// figure out our CPU
+	//
+	Cvar_Get( "sys_cpustring", "detect", 0 );
+	if ( !Q_stricmp( Cvar_VariableString( "sys_cpustring"), "detect" ) )
+	{
+		Com_Printf( "...detecting CPU, found " );
+
+#ifndef __MINGW32__
+		cpuid = Sys_GetProcessorId();
+#else // See comments in win_shared.c
+		cpuid = CPUID_GENERIC;
+#endif
+
+		switch ( cpuid )
+		{
+		case CPUID_GENERIC:
+			Cvar_Set( "sys_cpustring", "generic" );
+			break;
+		case CPUID_INTEL_UNSUPPORTED:
+			Cvar_Set( "sys_cpustring", "x86 (pre-Pentium)" );
+			break;
+		case CPUID_INTEL_PENTIUM:
+			Cvar_Set( "sys_cpustring", "x86 (P5/PPro, non-MMX)" );
+			break;
+		case CPUID_INTEL_MMX:
+			Cvar_Set( "sys_cpustring", "x86 (P5/Pentium2, MMX)" );
+			break;
+		case CPUID_INTEL_KATMAI:
+			Cvar_Set( "sys_cpustring", "Intel Pentium III" );
+			break;
+		case CPUID_AMD_3DNOW:
+			Cvar_Set( "sys_cpustring", "AMD w/ 3DNow!" );
+			break;
+		case CPUID_AXP:
+			Cvar_Set( "sys_cpustring", "Alpha AXP" );
+			break;
+		default:
+			Com_Error( ERR_FATAL, "Unknown cpu type %d\n", cpuid );
+			break;
+		}
+	}
+	else
+	{
+		Com_Printf( "...forcing CPU type to " );
+		if ( !Q_stricmp( Cvar_VariableString( "sys_cpustring" ), "generic" ) )
+		{
+			cpuid = CPUID_GENERIC;
+		}
+		else if ( !Q_stricmp( Cvar_VariableString( "sys_cpustring" ), "x87" ) )
+		{
+			cpuid = CPUID_INTEL_PENTIUM;
+		}
+		else if ( !Q_stricmp( Cvar_VariableString( "sys_cpustring" ), "mmx" ) )
+		{
+			cpuid = CPUID_INTEL_MMX;
+		}
+		else if ( !Q_stricmp( Cvar_VariableString( "sys_cpustring" ), "3dnow" ) )
+		{
+			cpuid = CPUID_AMD_3DNOW;
+		}
+		else if ( !Q_stricmp( Cvar_VariableString( "sys_cpustring" ), "PentiumIII" ) )
+		{
+			cpuid = CPUID_INTEL_KATMAI;
+		}
+		else if ( !Q_stricmp( Cvar_VariableString( "sys_cpustring" ), "axp" ) )
+		{
+			cpuid = CPUID_AXP;
+		}
+		else
+		{
+			Com_Printf( "WARNING: unknown sys_cpustring '%s'\n", Cvar_VariableString( "sys_cpustring" ) );
+			cpuid = CPUID_GENERIC;
+		}
+	}
+	Cvar_SetValue( "sys_cpuid", cpuid );
+	Com_Printf( "%s\n", Cvar_VariableString( "sys_cpustring" ) );
+
+	Cvar_Set( "username", Sys_GetCurrentUser() );
+
+	IN_Init();		// FIXME: not in dedicated?
+}
+
+
+qboolean Sys_DetectAltivec( void )
+{
+    return qfalse;  // never altivec on Windows...at least for now.  :)
+}
+
+
+
+//=======================================================================
+
+int	totalMsec, countMsec;
+
+/*
+==================
+WinMain
+
+==================
+*/
+int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
+	char		cwd[MAX_OSPATH];
+	int			startTime, endTime;
+
+    // should never get a previous instance in Win32
+    if ( hPrevInstance ) {
+        return 0;
+	}
+
+	g_wv.hInstance = hInstance;
+	Q_strncpyz( sys_cmdline, lpCmdLine, sizeof( sys_cmdline ) );
+
+	// done before Com/Sys_Init since we need this for error output
+	Sys_CreateConsole();
+
+	// no abort/retry/fail errors
+	SetErrorMode( SEM_FAILCRITICALERRORS );
+
+	// get the initial time base
+	Sys_Milliseconds();
+#if 0
+	// if we find the CD, add a +set cddir xxx command line
+	Sys_ScanForCD();
+#endif
+
+	Sys_InitStreamThread();
+
+	Com_Init( sys_cmdline );
+	NET_Init();
+
+	_getcwd (cwd, sizeof(cwd));
+	Com_Printf("Working directory: %s\n", cwd);
+
+	// hide the early console since we've reached the point where we
+	// have a working graphics subsystems
+	if ( !com_dedicated->integer && !com_viewlog->integer ) {
+		Sys_ShowConsole( 0, qfalse );
+	}
+
+    // main game loop
+	while( 1 ) {
+		// if not running as a game client, sleep a bit
+		if ( g_wv.isMinimized || ( com_dedicated && com_dedicated->integer ) ) {
+			Sleep( 5 );
+		}
+
+		// set low precision every frame, because some system calls
+		// reset it arbitrarily
+//		_controlfp( _PC_24, _MCW_PC );
+//    _controlfp( -1, _MCW_EM  ); // no exceptions, even if some crappy
+                                // syscall turns them back on!
+
+		startTime = Sys_Milliseconds();
+
+		// make sure mouse and joystick are only called once a frame
+		IN_Frame();
+
+		// run the game
+		Com_Frame();
+
+		endTime = Sys_Milliseconds();
+		totalMsec += endTime - startTime;
+		countMsec++;
+	}
+
+	// never gets here
+}
+
+