fteqw/engine/client/sys_win.c

/*
Copyright (C) 1996-1997 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
// sys_win.h

#include "quakedef.h"

#include "winquake.h"
#include "resource.h"
#include "errno.h"
#include "fcntl.h"
#include <limits.h>
#include <conio.h>
#include <io.h>
#include <direct.h>

//#define RESTARTTEST

#ifdef MULTITHREAD
#include <process.h>
#endif

wchar_t *widen(wchar_t *out, size_t outlen, const char *utf8);
char *narrowen(char *out, size_t outlen, wchar_t *wide);


#ifdef WINRT	//you're going to need a different sys_ port.
qboolean isDedicated = false;
qboolean ActiveApp;
void VARGS Sys_Error (const char *error, ...){}	//eep
void VARGS Sys_Printf (char *fmt, ...){}		//safe, but not ideal (esp for debugging)
void Sys_SendKeyEvents (void){}					//safe, but not ideal
void Sys_ServerActivity(void){}					//empty is safe
void Sys_RecentServer(char *command, char *target, char *title, char *desc){}	//empty is safe
qboolean Sys_InitTerminal(void){return false;}	//failure will break 'setrenderer sv'
char *Sys_ConsoleInput (void){return NULL;}		//safe to stub
void Sys_CloseTerminal (void){}					//called when switching from dedicated->non-dedicated
dllhandle_t *Sys_LoadLibrary(const char *name, dllfunction_t *funcs){return NULL;}	//can just about get away with it
void *Sys_GetAddressForName(dllhandle_t *module, const char *exportname){return NULL;}
void Sys_CloseLibrary(dllhandle_t *lib){}		//safe, ish
void Sys_Init (void){}							//safe, stub is fine. used to register system-specific cvars/commands.
void Sys_Shutdown(void){}						//safe
qboolean Sys_RandomBytes(qbyte *string, int len){return false;}
qboolean Sys_GetDesktopParameters(int *width, int *height, int *bpp, int *refreshrate){return false;}
void INS_Move(float *movements, int pnum){}		//safe
void INS_Commands(void){}						//safe
void INS_Init(void){}							//safe. should be xinput2 I guess. nothing else is actually supported. touchscreens don't really count.
void INS_ReInit(void){}							//safe
void INS_Shutdown(void){}						//safe
void INS_UpdateGrabs(int fullscreen, int activeapp){}	//safe
void *RT_GetCoreWindow(int *width, int *height){return NULL;}	//I already wrote the d3d code, but it needs a window to attach to. you can override width+height by writing to them
void D3D11_DoResize(int newwidth, int newheight);	//already written, call if resized since getcorewindow

static char *clippy;
char *Sys_GetClipboard(void)
{
	return Z_StrDup(clippy);
}
void Sys_CloseClipboard(char *bf)
{
	Z_Free(bf);
}
void Sys_SaveClipboard(char *text)
{
	Z_Free(clippy);
	clippy = Z_StrDup(text);
}

static LARGE_INTEGER timestart, timefreq;
static qboolean timeinited = false;
unsigned int Sys_Milliseconds(void)
{
	LARGE_INTEGER cur, diff;
	if (!timeinited)
	{
		timeinited = true;
		QueryPerformanceFrequency(&timefreq); 
		QueryPerformanceCounter(&timestart);
	}
	QueryPerformanceCounter(&cur);
	diff.QuadPart = cur.QuadPart - timestart.QuadPart;
	diff.QuadPart *= 1000;
	diff.QuadPart /= timefreq.QuadPart;
	return diff.QuadPart;
}
double Sys_DoubleTime (void)
{
	LARGE_INTEGER cur, diff;
	if (!timeinited)
	{
		timeinited = true;
		QueryPerformanceFrequency(&timefreq); 
		QueryPerformanceCounter(&timestart);
	}
	QueryPerformanceCounter(&cur);
	diff.QuadPart = cur.QuadPart - timestart.QuadPart;
	diff.QuadPart *= 1000;
	return (double)diff.QuadPart / (double)timefreq.QuadPart;	//I hope the timefreq doesn't get rounded and cause milliseconds and doubletime to start to drift apart.
}

void Sys_Quit (void)
{
	Host_Shutdown ();
	exit(1);
}

void Sys_mkdir (char *path)
{
	wchar_t wide[MAX_OSPATH];
	widen(wide, sizeof(wide), path);
	CreateDirectoryW(wide, NULL);
}

qboolean Sys_remove (char *path)
{
	wchar_t wide[MAX_OSPATH];
	widen(wide, sizeof(wide), path);
	if (DeleteFileW(wide))
		return true;	//success
	if (GetLastError() == ERROR_FILE_NOT_FOUND)
		return true;	//succeed when the file already didn't exist
	return false;		//other errors? panic
}

qboolean Sys_Rename (char *oldfname, char *newfname)
{
	wchar_t oldwide[MAX_OSPATH];
	wchar_t newwide[MAX_OSPATH];
	widen(oldwide, sizeof(oldwide), oldfname);
	widen(newwide, sizeof(newwide), newfname);
	return MoveFileExW(oldwide, newwide, MOVEFILE_REPLACE_EXISTING|MOVEFILE_COPY_ALLOWED);
}

//enumeratefiles is recursive for */* to work
static int Sys_EnumerateFiles2 (const char *match, int matchstart, int neststart, int (QDECL *func)(const char *fname, qofs_t fsize, void *parm, searchpathfuncs_t *spath), void *parm, searchpathfuncs_t *spath)
{
	qboolean go;

	HANDLE r;
	WIN32_FIND_DATAW fd;
	int nest = neststart;	//neststart refers to just after a /
	qboolean wild = false;

	while(match[nest] && match[nest] != '/')
	{
		if (match[nest] == '?' || match[nest] == '*')
			wild = true;
		nest++;
	}
	if (match[nest] == '/')
	{
		char submatch[MAX_OSPATH];
		char tmproot[MAX_OSPATH];

		if (!wild)
			return Sys_EnumerateFiles2(match, matchstart, nest+1, func, parm, spath);

		if (nest-neststart+1> MAX_OSPATH)
			return 1;
		memcpy(submatch, match+neststart, nest - neststart);
		submatch[nest - neststart] = 0;
		nest++;

		if (neststart+4 > MAX_OSPATH)
			return 1;
		memcpy(tmproot, match, neststart);
		strcpy(tmproot+neststart, "*.*");

		{
			wchar_t wroot[MAX_OSPATH];
			r = FindFirstFileExW(widen(wroot, sizeof(wroot), tmproot), FindExInfoStandard, &fd, FindExSearchNameMatch, NULL, 0);
		}
		strcpy(tmproot+neststart, "");
		if (r==(HANDLE)-1)
			return 1;
		go = true;
		do
		{
			char utf8[MAX_OSPATH];
			char file[MAX_OSPATH];
			narrowen(utf8, sizeof(utf8), fd.cFileName);
			if (*utf8 == '.');	//don't ever find files with a name starting with '.'
			else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)	//is a directory
			{
				if (wildcmp(submatch, utf8))
				{
					int newnest;
					if (strlen(tmproot) + strlen(utf8) + strlen(match+nest) + 2 < MAX_OSPATH)
					{
						Q_snprintfz(file, sizeof(file), "%s%s/", tmproot, utf8);
						newnest = strlen(file);
						strcpy(file+newnest, match+nest);
						go = Sys_EnumerateFiles2(file, matchstart, newnest, func, parm, spath);
					}
				}
			}
		} while(FindNextFileW(r, &fd) && go);
		FindClose(r);
	}
	else
	{
		const char *submatch = match + neststart;
		char tmproot[MAX_OSPATH];

		if (neststart+4 > MAX_OSPATH)
			return 1;
		memcpy(tmproot, match, neststart);
		strcpy(tmproot+neststart, "*.*");

		{
			wchar_t wroot[MAX_OSPATH];
			r = FindFirstFileExW(widen(wroot, sizeof(wroot), tmproot), FindExInfoStandard, &fd, FindExSearchNameMatch, NULL, 0);
		}
		strcpy(tmproot+neststart, "");
		if (r==(HANDLE)-1)
			return 1;
		go = true;
		do
		{
			char utf8[MAX_OSPATH];
			char file[MAX_OSPATH];

			narrowen(utf8, sizeof(utf8), fd.cFileName);
			if (*utf8 == '.')
				;	//don't ever find files with a name starting with '.' (includes .. and . directories, and unix hidden files)
			else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)	//is a directory
			{
				if (wildcmp(submatch, utf8))
				{
					if (strlen(tmproot+matchstart) + strlen(utf8) + 2 < MAX_OSPATH)
					{
						Q_snprintfz(file, sizeof(file), "%s%s/", tmproot+matchstart, utf8);
						go = func(file, qofs_Make(fd.nFileSizeLow, fd.nFileSizeHigh), parm, spath);
					}
				}
			}
			else
			{
				if (wildcmp(submatch, utf8))
				{
					if (strlen(tmproot+matchstart) + strlen(utf8) + 1 < MAX_OSPATH)
					{
						Q_snprintfz(file, sizeof(file), "%s%s", tmproot+matchstart, utf8);
						go = func(file, qofs_Make(fd.nFileSizeLow, fd.nFileSizeHigh), parm, spath);
					}
				}
			}
		} while(FindNextFileW(r, &fd) && go);
		FindClose(r);
	}
	return go;
}
int Sys_EnumerateFiles (const char *gpath, const char *match, int (QDECL *func)(const char *fname, qofs_t fsize, void *parm, searchpathfuncs_t *spath), void *parm, searchpathfuncs_t *spath)
{
	char fullmatch[MAX_OSPATH];
	int start;
	if (strlen(gpath) + strlen(match) + 2 > MAX_OSPATH)
		return 1;

	strcpy(fullmatch, gpath);
	start = strlen(fullmatch);
	if (start && fullmatch[start-1] != '/')
		fullmatch[start++] = '/';
	fullmatch[start] = 0;
	strcat(fullmatch, match);
	return Sys_EnumerateFiles2(fullmatch, start, start, func, parm, spath);
}

#else

#if defined(GLQUAKE) && defined(DEBUG)
#define PRINTGLARRAYS
#endif

#if defined(_DEBUG) || defined(DEBUG)
#define CATCHCRASH
#endif

#if !defined(CLIENTONLY) && !defined(SERVERONLY)
qboolean isDedicated = false;
#endif
extern qboolean isPlugin;
qboolean debugout;
float gammapending;	//to cope with ATI. When it times out, v_gamma is reforced in order to correct/update gamma now the drivers think that they have won.

HWND sys_parentwindow;
unsigned int sys_parentleft;	//valid if sys_parentwindow is set
unsigned int sys_parenttop;
unsigned int sys_parentwidth;	//valid if sys_parentwindow is set
unsigned int sys_parentheight;

//used to do special things with awkward windows versions.
int qwinvermaj;
int qwinvermin;

char		*sys_argv[MAX_NUM_ARGVS];


#ifdef RESTARTTEST
jmp_buf restart_jmpbuf;
#endif
/*
================
Sys_RandomBytes
================
*/
#include <wincrypt.h>
qboolean Sys_RandomBytes(qbyte *string, int len)
{
	HCRYPTPROV  prov;

	if(!CryptAcquireContext( &prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
	{
		return false;
	}

	if(!CryptGenRandom(prov, len, (BYTE *)string))
	{
		CryptReleaseContext( prov, 0);
		return false;
	}
	CryptReleaseContext(prov, 0);
	return true;
}

/*
=================
Library loading
=================
*/
void Sys_CloseLibrary(dllhandle_t *lib)
{
	FreeLibrary((HMODULE)lib);
}
dllhandle_t *Sys_LoadLibrary(const char *name, dllfunction_t *funcs)
{
	int i;
	HMODULE lib;

	lib = LoadLibrary(name);
	if (!lib)
	{
#ifdef _WIN64
		lib = LoadLibrary(va("%s_64", name));
#elif defined(_WIN32)
		lib = LoadLibrary(va("%s_32", name));
#endif
		if (!lib)
			return NULL;
	}

	if (funcs)
	{
		for (i = 0; funcs[i].name; i++)
		{
			*funcs[i].funcptr = GetProcAddress(lib, funcs[i].name);
			if (!*funcs[i].funcptr)
				break;
		}
		if (funcs[i].name)
		{
			Con_DPrintf("Missing export \"%s\" in \"%s\"\n", funcs[i].name, name);
			Sys_CloseLibrary((dllhandle_t*)lib);
			lib = NULL;
		}
	}

	return (dllhandle_t*)lib;
}

void *Sys_GetAddressForName(dllhandle_t *module, const char *exportname)
{
	if (!module)
		return NULL;
	return GetProcAddress((HINSTANCE)module, exportname);
}
#ifdef HLSERVER
char *Sys_GetNameForAddress(dllhandle_t *module, void *address)
{
	//windows doesn't provide a function to do this, so we have to do it ourselves.
	//this isn't the fastest way...
	//halflife needs this function.
	char *base = (char *)module;

	IMAGE_DATA_DIRECTORY *datadir;
	IMAGE_EXPORT_DIRECTORY *block;
	IMAGE_NT_HEADERS *ntheader;
	IMAGE_DOS_HEADER *dosheader = (void*)base;

	int i, j;
	DWORD *funclist;
	DWORD *namelist;
	SHORT *ordilist;

	if (!dosheader || dosheader->e_magic != IMAGE_DOS_SIGNATURE)
		return NULL; //yeah, that wasn't an exe

	ntheader = (void*)(base + dosheader->e_lfanew);
	if (!dosheader->e_lfanew || ntheader->Signature != IMAGE_NT_SIGNATURE)
		return NULL;	//urm, wait, a 16bit dos exe?


	datadir = &ntheader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];

	block = (IMAGE_EXPORT_DIRECTORY *)(base + datadir->VirtualAddress);
	funclist = (DWORD*)(base+block->AddressOfFunctions);
	namelist = (DWORD*)(base+block->AddressOfNames);
	ordilist = (SHORT*)(base+block->AddressOfNameOrdinals);
	for (i = 0; i < block->NumberOfFunctions; i++)
	{
		if (base+funclist[i] == address)
		{
			for (j = 0; j < block->NumberOfNames; j++)
			{
				if (ordilist[j] == i)
				{
					return base+namelist[i];
				}
			}
			//it has no name. huh?
			return NULL;
		}
	}
	return NULL;
}
#endif

#define MINIMUM_WIN_MEMORY	MINIMUM_MEMORY
#define MAXIMUM_WIN_MEMORY	0x8000000

int		starttime;
qboolean ActiveApp, Minimized;
qboolean	WinNT;	//NT has a) proper unicode support that does not unconditionally result in errors. b) a few different registry paths.

static HANDLE		hinput, houtput;

HANDLE		qwclsemaphore;

static HANDLE	tevent;

void Sys_InitFloatTime (void);

int VARGS Sys_DebugLog(char *file, char *fmt, ...)
{
	FILE *fd;
	va_list argptr;
	static char data[1024];

	va_start(argptr, fmt);
	vsnprintf(data, sizeof(data)-1, fmt, argptr);
	va_end(argptr);

#if defined(CRAZYDEBUGGING) && CRAZYDEBUGGING > 1
	{
		static int sock;
		if (!sock)
		{
			struct sockaddr_in sa;
			netadr_t na;
			int _true = true;
			int listip;
			listip = COM_CheckParm("-debugip");
			NET_StringToAdr(listip?com_argv[listip+1]:"127.0.0.1", &na);
			NetadrToSockadr(&na, (struct sockaddr_qstorage*)&sa);
			sa.sin_port = htons(10000);
			sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
			if (-1==connect(sock, (struct sockaddr*)&sa, sizeof(sa)))
				Sys_Error("Couldn't send debug log lines\n");
			setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (char*)&_true, sizeof(_true));
		}
		send(sock, data, strlen(data), 0);
	}
#endif
	fd = fopen(file, "ab");
	if (fd)
	{
		fprintf(fd, "%s", data);
		fclose(fd);
		return 0;
	}

	return 1;
};

#ifdef CATCHCRASH
#include "dbghelp.h"
typedef BOOL (WINAPI *MINIDUMPWRITEDUMP) (
	HANDLE hProcess,
	DWORD ProcessId,
	HANDLE hFile,
	MINIDUMP_TYPE DumpType,
	PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
	PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
	PMINIDUMP_CALLBACK_INFORMATION CallbackParam
	);
void DumpGLState(void);
DWORD CrashExceptionHandler (qboolean iswatchdog, DWORD exceptionCode, LPEXCEPTION_POINTERS exceptionInfo)
{
	char dumpPath[1024];
	char msg[1024];
	HANDLE hProc = GetCurrentProcess();
	DWORD procid = GetCurrentProcessId();
	HANDLE dumpfile;
	HMODULE hDbgHelp;
	MINIDUMPWRITEDUMP fnMiniDumpWriteDump;
	HMODULE hKernel;
	BOOL (WINAPI *pIsDebuggerPresent)(void);
	DWORD (WINAPI *pSymSetOptions)(DWORD SymOptions);
	BOOL (WINAPI *pSymInitialize)(HANDLE hProcess, PSTR UserSearchPath, BOOL fInvadeProcess);
	BOOL (WINAPI *pSymFromAddr)(HANDLE hProcess, DWORD64 Address, PDWORD64 Displacement, PSYMBOL_INFO Symbol);

#ifdef _WIN64
#define DBGHELP_POSTFIX "64"
	BOOL (WINAPI *pStackWalkX)(DWORD MachineType, HANDLE hProcess, HANDLE hThread, LPSTACKFRAME64 StackFrame, PVOID ContextRecord, PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine, PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine, PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine, PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress);
	PVOID (WINAPI *pSymFunctionTableAccessX)(HANDLE hProcess, DWORD64 AddrBase);
	DWORD64 (WINAPI *pSymGetModuleBaseX)(HANDLE hProcess, DWORD64 qwAddr);
	BOOL (WINAPI *pSymGetLineFromAddrX)(HANDLE hProcess, DWORD64 qwAddr, PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line64);
	BOOL (WINAPI *pSymGetModuleInfoX)(HANDLE hProcess, DWORD64 qwAddr, PIMAGEHLP_MODULE64 ModuleInfo);
	#define STACKFRAMEX STACKFRAME64
	#define IMAGEHLP_LINEX IMAGEHLP_LINE64
	#define IMAGEHLP_MODULEX IMAGEHLP_MODULE64
#else
#define DBGHELP_POSTFIX ""
	BOOL (WINAPI *pStackWalkX)(DWORD MachineType, HANDLE hProcess, HANDLE hThread, LPSTACKFRAME StackFrame, PVOID ContextRecord, PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine, PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine, PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine, PTRANSLATE_ADDRESS_ROUTINE TranslateAddress);
	PVOID (WINAPI *pSymFunctionTableAccessX)(HANDLE hProcess, DWORD AddrBase);
	DWORD (WINAPI *pSymGetModuleBaseX)(HANDLE hProcess, DWORD dwAddr);
	BOOL (WINAPI *pSymGetLineFromAddrX)(HANDLE hProcess, DWORD dwAddr, PDWORD pdwDisplacement, PIMAGEHLP_LINE Line);
	BOOL (WINAPI *pSymGetModuleInfoX)(HANDLE hProcess, DWORD dwAddr, PIMAGEHLP_MODULE ModuleInfo);
	#define STACKFRAMEX STACKFRAME
	#define IMAGEHLP_LINEX IMAGEHLP_LINE
	#define IMAGEHLP_MODULEX IMAGEHLP_MODULE
#endif
	dllfunction_t debughelpfuncs[] =
	{
		{(void*)&pSymFromAddr,				"SymFromAddr"},
		{(void*)&pSymSetOptions,			"SymSetOptions"},
		{(void*)&pSymInitialize,			"SymInitialize"},
		{(void*)&pStackWalkX,				"StackWalk"DBGHELP_POSTFIX},
		{(void*)&pSymFunctionTableAccessX,	"SymFunctionTableAccess"DBGHELP_POSTFIX},
		{(void*)&pSymGetModuleBaseX,		"SymGetModuleBase"DBGHELP_POSTFIX},
		{(void*)&pSymGetLineFromAddrX,		"SymGetLineFromAddr"DBGHELP_POSTFIX},
		{(void*)&pSymGetModuleInfoX,		"SymGetModuleInfo"DBGHELP_POSTFIX},
		{NULL, NULL}
	};

	switch(exceptionCode)
	{
	case EXCEPTION_ACCESS_VIOLATION:
	case EXCEPTION_DATATYPE_MISALIGNMENT:
	case EXCEPTION_BREAKPOINT:
	case EXCEPTION_SINGLE_STEP:
	case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
	case EXCEPTION_FLT_DENORMAL_OPERAND:
	case EXCEPTION_FLT_DIVIDE_BY_ZERO:
	case EXCEPTION_FLT_INEXACT_RESULT:
	case EXCEPTION_FLT_INVALID_OPERATION:
	case EXCEPTION_FLT_OVERFLOW:
	case EXCEPTION_FLT_STACK_CHECK:
	case EXCEPTION_FLT_UNDERFLOW:
	case EXCEPTION_INT_DIVIDE_BY_ZERO:
	case EXCEPTION_INT_OVERFLOW:
	case EXCEPTION_PRIV_INSTRUCTION:
	case EXCEPTION_IN_PAGE_ERROR:
	case EXCEPTION_ILLEGAL_INSTRUCTION:
	case EXCEPTION_NONCONTINUABLE_EXCEPTION:
	case EXCEPTION_STACK_OVERFLOW:
	case EXCEPTION_INVALID_DISPOSITION:
	case EXCEPTION_GUARD_PAGE:
	case EXCEPTION_INVALID_HANDLE:
//	case EXCEPTION_POSSIBLE_DEADLOCK:
		break;
	default:
		//because windows is a steaming pile of shite, we have to ignore any software-generated exceptions, because most of them are not in fact fatal, *EVEN IF THEY CLAIM TO BE NON-CONTINUABLE*
		return exceptionCode;
	}

#ifdef PRINTGLARRAYS
	if (!iswatchdog && qrenderer == QR_OPENGL)
		DumpGLState();
#endif

	hKernel = LoadLibrary ("kernel32");
	pIsDebuggerPresent = (void*)GetProcAddress(hKernel, "IsDebuggerPresent");

#ifdef GLQUAKE
	//restores gamma
	GLVID_Crashed();
#endif

	if (!iswatchdog && pIsDebuggerPresent && pIsDebuggerPresent ())
	{
		/*if we have a current window, minimize it to bring us out of fullscreen*/
		extern qboolean vid_initializing;
		qboolean oldval = vid_initializing;
		vid_initializing = true;
//		ShowWindow(mainwindow, SW_MINIMIZE);
		vid_initializing = oldval;
		return EXCEPTION_CONTINUE_SEARCH;
	}

	/*if we have a current window, kill it, so it can't steal input of handle window messages or anything risky like that*/
	if (iswatchdog)
	{
	}
	else
	{
		DestroyWindow(mainwindow);

		if (Sys_LoadLibrary("DBGHELP", debughelpfuncs))
		{
			STACKFRAMEX stack;
			CONTEXT *pcontext = exceptionInfo->ContextRecord;
			IMAGEHLP_LINEX line;
			IMAGEHLP_MODULEX module;
			struct
			{
				SYMBOL_INFO sym;
				char name[1024];
			} sym;
			int frameno;
			char stacklog[8192];
			int logpos, logstart;
			char *logline;

			stacklog[logpos=0] = 0;

			pSymInitialize(hProc, NULL, TRUE);
			pSymSetOptions(SYMOPT_LOAD_LINES);

			memset(&stack, 0, sizeof(stack));
#ifdef _WIN64
			#define IMAGE_FILE_MACHINE_THIS IMAGE_FILE_MACHINE_AMD64
			stack.AddrPC.Mode = AddrModeFlat;
			stack.AddrPC.Offset = pcontext->Rip;
			stack.AddrFrame.Mode = AddrModeFlat;
			stack.AddrFrame.Offset = pcontext->Rbp;
			stack.AddrStack.Mode = AddrModeFlat;
			stack.AddrStack.Offset = pcontext->Rsp;
#else
			#define IMAGE_FILE_MACHINE_THIS IMAGE_FILE_MACHINE_I386
			stack.AddrPC.Mode = AddrModeFlat;
			stack.AddrPC.Offset = pcontext->Eip;
			stack.AddrFrame.Mode = AddrModeFlat;
			stack.AddrFrame.Offset = pcontext->Ebp;
			stack.AddrStack.Mode = AddrModeFlat;
			stack.AddrStack.Offset = pcontext->Esp;
#endif

			Q_strncpyz(stacklog+logpos, FULLENGINENAME " or dependancy has crashed. The following stack dump been copied to your windows clipboard.\n"
#ifdef _MSC_VER
				"Would you like to generate a core dump too?\n"
#endif
				"\n", sizeof(stacklog)-logpos);
			logstart = logpos += strlen(stacklog+logpos);

			//so I know which one it is
#if defined(DEBUG) || defined(_DEBUG)
	#define BUILDDEBUGREL "Debug"
#else
	#define BUILDDEBUGREL "Optimised"
#endif
#ifdef MINIMAL
	#define BUILDMINIMAL "Min"
#else
	#define BUILDMINIMAL ""
#endif
#if defined(GLQUAKE) && !defined(D3DQUAKE)
	#define BUILDTYPE "GL"
#elif !defined(GLQUAKE) && defined(D3DQUAKE)
	#define BUILDTYPE "D3D"
#else
	#define BUILDTYPE "Merged"
#endif

			Q_snprintfz(stacklog+logpos, sizeof(stacklog)-logpos, "Build: %s %s %s: %s\r\n", BUILDDEBUGREL, PLATFORM, BUILDMINIMAL BUILDTYPE, version_string());
			logpos += strlen(stacklog+logpos);

			for(frameno = 0; ; frameno++)
			{
				DWORD64 symdisp;
				DWORD linedisp;
				DWORD_PTR symaddr;
				if (!pStackWalkX(IMAGE_FILE_MACHINE_THIS, hProc, GetCurrentThread(), &stack, pcontext, NULL, pSymFunctionTableAccessX, pSymGetModuleBaseX, NULL))
					break;
				memset(&module, 0, sizeof(module));
				module.SizeOfStruct = sizeof(module);
				pSymGetModuleInfoX(hProc, stack.AddrPC.Offset, &module);
				memset(&line, 0, sizeof(line));
				line.SizeOfStruct = sizeof(line);
				symdisp = 0;
				memset(&sym, 0, sizeof(sym));
				sym.sym.MaxNameLen = sizeof(sym.name);
				symaddr = stack.AddrPC.Offset;
				sym.sym.SizeOfStruct = sizeof(sym.sym);
				if (pSymFromAddr(hProc, symaddr, &symdisp, &sym.sym))
				{
					if (pSymGetLineFromAddrX(hProc, stack.AddrPC.Offset, &linedisp, &line))
						logline = va("%-20s - %s:%i (%s)\r\n", sym.sym.Name, line.FileName, (int)line.LineNumber, module.LoadedImageName);
					else
						logline = va("%-20s+%#x (%s)\r\n", sym.sym.Name, (unsigned int)symdisp, module.LoadedImageName);
				}
				else
					logline = va("0x%p (%s)\r\n", (void*)(DWORD_PTR)stack.AddrPC.Offset, module.LoadedImageName);
				Q_strncpyz(stacklog+logpos, logline, sizeof(stacklog)-logpos);
				logpos += strlen(stacklog+logpos);
				if (logpos+1 >= sizeof(stacklog))
					break;
			}
			Sys_SaveClipboard(stacklog+logstart);
#ifdef _MSC_VER
			if (MessageBoxA(0, stacklog, "KABOOM!", MB_ICONSTOP|MB_YESNO) != IDYES)
			{
				if (pIsDebuggerPresent ())
				{
					//its possible someone attached a debugger while we were showing that message
					return EXCEPTION_CONTINUE_SEARCH;
				}
				return EXCEPTION_EXECUTE_HANDLER;
			}
#else
			MessageBox(0, stacklog, "KABOOM!", MB_ICONSTOP);
			return EXCEPTION_EXECUTE_HANDLER;
#endif
		}
		else
		{
			if (MessageBoxA(NULL, "KABOOM! We crashed!\nBlame the monkey in the corner.\nI hope you saved your work.\nWould you like to take a dump now?", DISTRIBUTION " Sucks", MB_ICONSTOP|MB_YESNO) != IDYES)
				return EXCEPTION_EXECUTE_HANDLER;
		}
	}

	//generate a minidump, but only if we were compiled by something that used usable debugging info. its a bit pointless otherwise.
#ifdef _MSC_VER
	hDbgHelp = LoadLibrary ("DBGHELP");
	if (hDbgHelp)
		fnMiniDumpWriteDump = (MINIDUMPWRITEDUMP)GetProcAddress (hDbgHelp, "MiniDumpWriteDump");
	else
		fnMiniDumpWriteDump = NULL;

	if (fnMiniDumpWriteDump)
	{
		if (iswatchdog)
		{
			switch (MessageBoxA(NULL, "Fizzle... We hit an infinite loop! Or something is just really slow.\nBlame the monkey in the corner.\nI hope you saved your work.\nWould you like to take a dump now?", DISTRIBUTION " Sucks", MB_ICONSTOP|MB_YESNOCANCEL))
			{
			case IDYES:
				break;	//take a dump.
			case IDNO:
				exit(0);
			default:	//cancel = run the exception handler, which means we reset the watchdog.
				return EXCEPTION_EXECUTE_HANDLER;
			}
		}

		/*take a dump*/
		if (*com_homepath)
			Q_strncpyz(dumpPath, com_homepath, sizeof(dumpPath));
		else if (*com_gamepath)
			Q_strncpyz(dumpPath, com_gamepath, sizeof(dumpPath));
		else
			GetTempPath (sizeof(dumpPath)-16, dumpPath);
		Q_strncatz(dumpPath, DISTRIBUTION"CrashDump.dmp", sizeof(dumpPath));
		dumpfile = CreateFile (dumpPath, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
		if (dumpfile)
		{
			MINIDUMP_EXCEPTION_INFORMATION crashinfo;
			crashinfo.ClientPointers = TRUE;
			crashinfo.ExceptionPointers = exceptionInfo;
			crashinfo.ThreadId = GetCurrentThreadId ();
			if (fnMiniDumpWriteDump(hProc, procid, dumpfile, MiniDumpWithIndirectlyReferencedMemory|MiniDumpWithDataSegs, &crashinfo, NULL, NULL))
			{
				CloseHandle(dumpfile);
				Q_snprintfz(msg, sizeof(msg), "You can find the crashdump at:\n%s\nPlease send this file to someone.\n\nWarning: sensitive information (like your current user name) might be present in the dump.\nYou will probably want to compress it.", dumpPath);
				MessageBox(NULL, msg, DISTRIBUTION " Sucks", 0);
			}
			else
				MessageBox(NULL, "MiniDumpWriteDump failed", "oh noes", 0);
		}
		else
		{
			Q_snprintfz(msg, sizeof(msg), "unable to open %s\nno dump created.", dumpPath);
			MessageBox(NULL, msg, "oh noes", 0);
		}
	}
	else
		MessageBox(NULL, "Kaboom! Sorry. No MiniDumpWriteDump function.", DISTRIBUTION " Sucks", 0);
#endif
	return EXCEPTION_EXECUTE_HANDLER;
}

//most compilers do not support __try. perhaps we should avoid its use entirely?
LONG CALLBACK nonmsvc_CrashExceptionHandler(PEXCEPTION_POINTERS ExceptionInfo)
{
	DWORD foo = EXCEPTION_CONTINUE_SEARCH;
	foo = CrashExceptionHandler(false, ExceptionInfo->ExceptionRecord->ExceptionCode, ExceptionInfo);
	//we have no handler. thus we handle it by exiting.
	if (foo == EXCEPTION_EXECUTE_HANDLER)
		exit(1);
	return foo;
}

volatile int watchdogframe;	//incremented each frame.
int watchdogthread(void *arg)
{
#ifdef _MSC_VER
	int oldframe = watchdogframe;
	int newframe;
	int secs = 0;
	while(1)
	{ 
		newframe = watchdogframe;
		if (oldframe != newframe)
		{
			oldframe = newframe;
			secs = 0;
		}
		else
		{
			secs++;
			if (secs > 10)
			{
				secs = 0;
				__try
				{
					*(int*)arg = -3;
				}
				__except (CrashExceptionHandler(true, GetExceptionCode(), GetExceptionInformation()))
				{
				}
			}
		}
		Sleep(1000);
	}
#endif
	return 0;
}
#endif

int *debug;


#ifndef SERVERONLY

#if (_WIN32_WINNT < 0x0400)
	#define LLKHF_ALTDOWN        0x00000020
	#define LLKHF_UP             0x00000080
	#define WH_KEYBOARD_LL     13
	typedef struct {
		DWORD vkCode;
		DWORD scanCode;
		DWORD flags;
		DWORD time;
		DWORD dwExtraInfo;
	} KBDLLHOOKSTRUCT;
#elif defined(MINGW)
	#ifndef LLKHF_UP
		#define LLKHF_UP             0x00000080
	#endif
#endif

HHOOK llkeyboardhook;

cvar_t	sys_disableWinKeys = SCVAR("sys_disableWinKeys", "0");
cvar_t	sys_disableTaskSwitch = SCVARF("sys_disableTaskSwitch", "0", CVAR_NOTFROMSERVER);	// please don't encourage people to use this...

LRESULT CALLBACK LowLevelKeyboardProc (INT nCode, WPARAM wParam, LPARAM lParam)
{
	KBDLLHOOKSTRUCT *pkbhs = (KBDLLHOOKSTRUCT *) lParam;
	if (ActiveApp)
	switch (nCode)
	{
	case HC_ACTION:
		{
		//Trap the Left Windowskey
			if (pkbhs->vkCode == VK_SNAPSHOT)
			{
				IN_KeyEvent (0, !(pkbhs->flags & LLKHF_UP), K_PRINTSCREEN, 0);
				return 1;
			}
			if (sys_disableWinKeys.ival)
			{
				if (pkbhs->vkCode == VK_LWIN)
				{
					IN_KeyEvent (0, !(pkbhs->flags & LLKHF_UP), K_LWIN, 0);
					return 1;
				}
			//Trap the Right Windowskey
				if (pkbhs->vkCode == VK_RWIN)
				{
					IN_KeyEvent(0, !(pkbhs->flags & LLKHF_UP), K_RWIN, 0);
					return 1;
				}
			//Trap the Application Key (what a pointless key)
				if (pkbhs->vkCode == VK_APPS)
				{
					IN_KeyEvent (0, !(pkbhs->flags & LLKHF_UP), K_APP, 0);
					return 1;
				}
			}

		// Disable CTRL+ESC
			//this works, but we've got to give some way to tab out...
			if (sys_disableTaskSwitch.ival)
			{
				if (pkbhs->vkCode == VK_ESCAPE && GetAsyncKeyState (VK_CONTROL) >> ((sizeof(SHORT) * 8) - 1))
					return 1;
		// Disable ATL+TAB
				if (pkbhs->vkCode == VK_TAB && pkbhs->flags & LLKHF_ALTDOWN)
					return 1;
		// Disable ALT+ESC
				if (pkbhs->vkCode == VK_ESCAPE && pkbhs->flags & LLKHF_ALTDOWN)
					return 1;
			}

			break;
		}
	default:
		break;
	}
	return CallNextHookEx (llkeyboardhook, nCode, wParam, lParam);
}

void SetHookState(qboolean state)
{
	if (!state == !llkeyboardhook)	//not so types are comparable
		return;

	if (llkeyboardhook)
	{
		UnhookWindowsHookEx(llkeyboardhook);
		llkeyboardhook = NULL;
	}
	if (state)
		llkeyboardhook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, GetModuleHandle(NULL), 0);
}

#endif

/*
===============================================================================

FILE IO

===============================================================================
*/

void Sys_mkdir (char *path)
{
	if (WinNT)
	{
		wchar_t wide[MAX_OSPATH];
		widen(wide, sizeof(wide), path);
		CreateDirectoryW(wide, NULL);
	}
	else
		_mkdir (path);
}

qboolean Sys_remove (char *path)
{
	if (WinNT)
	{
		wchar_t wide[MAX_OSPATH];
		widen(wide, sizeof(wide), path);
		if (DeleteFileW(wide))
			return true;	//success
		if (GetLastError() == ERROR_FILE_NOT_FOUND)
			return true;	//succeed when the file already didn't exist
		return false;		//other errors? panic
	}
	else
	{
		if (remove (path) != 0)
		{
			int e = errno;
			if (e == ENOENT)
				return true;	//return success if it doesn't already exist.
			return false;
		}
		return true;
	}
}

qboolean Sys_Rename (char *oldfname, char *newfname)
{
	if (WinNT)
	{
		wchar_t oldwide[MAX_OSPATH];
		wchar_t newwide[MAX_OSPATH];
		widen(oldwide, sizeof(oldwide), oldfname);
		widen(newwide, sizeof(newwide), newfname);
		return MoveFileW(oldwide, newwide);
	}
	else
		return !rename(oldfname, newfname);
}

static int Sys_EnumerateFiles2 (const char *match, int matchstart, int neststart, int (QDECL *func)(const char *fname, qofs_t fsize, void *parm, searchpathfuncs_t *spath), void *parm, searchpathfuncs_t *spath)
{
	qboolean go;
	if (!WinNT)
	{
		HANDLE r;
		WIN32_FIND_DATAA fd;
		int nest = neststart;	//neststart refers to just after a /
		qboolean wild = false;

		while(match[nest] && match[nest] != '/')
		{
			if (match[nest] == '?' || match[nest] == '*')
				wild = true;
			nest++;
		}
		if (match[nest] == '/')
		{
			char submatch[MAX_OSPATH];
			char tmproot[MAX_OSPATH];
			char file[MAX_OSPATH];

			if (!wild)
				return Sys_EnumerateFiles2(match, matchstart, nest+1, func, parm, spath);

			if (nest-neststart+1> MAX_OSPATH)
				return 1;
			memcpy(submatch, match+neststart, nest - neststart);
			submatch[nest - neststart] = 0;
			nest++;

			if (neststart+4 > MAX_OSPATH)
				return 1;
			memcpy(tmproot, match, neststart);
			strcpy(tmproot+neststart, "*.*");

			r = FindFirstFile(tmproot, &fd);
			strcpy(tmproot+neststart, "");
			if (r==(HANDLE)-1)
				return 1;
			go = true;
			do
			{
				if (*fd.cFileName == '.');	//don't ever find files with a name starting with '.'
				else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)	//is a directory
				{
					if (wildcmp(submatch, fd.cFileName))
					{
						int newnest;
						if (strlen(tmproot) + strlen(fd.cFileName) + strlen(match+nest) + 2 < MAX_OSPATH)
						{
							Q_snprintfz(file, sizeof(file), "%s%s/", tmproot, fd.cFileName);
							newnest = strlen(file);
							strcpy(file+newnest, match+nest);
							go = Sys_EnumerateFiles2(file, matchstart, newnest, func, parm, spath);
						}
					}
				}
			} while(FindNextFile(r, &fd) && go);
			FindClose(r);
		}
		else
		{
			const char *submatch = match + neststart;
			char tmproot[MAX_OSPATH];
			char file[MAX_OSPATH];

			if (neststart+4 > MAX_OSPATH)
				return 1;
			memcpy(tmproot, match, neststart);
			strcpy(tmproot+neststart, "*.*");

			r = FindFirstFile(tmproot, &fd);
			strcpy(tmproot+neststart, "");
			if (r==(HANDLE)-1)
				return 1;
			go = true;
			do
			{
				if (*fd.cFileName == '.')
					;	//don't ever find files with a name starting with '.' (includes .. and . directories, and unix hidden files)
				else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)	//is a directory
				{
					if (wildcmp(submatch, fd.cFileName))
					{
						if (strlen(tmproot+matchstart) + strlen(fd.cFileName) + 2 < MAX_OSPATH)
						{
							Q_snprintfz(file, sizeof(file), "%s%s/", tmproot+matchstart, fd.cFileName);
							go = func(file, qofs_Make(fd.nFileSizeLow, fd.nFileSizeHigh), parm, spath);
						}
					}
				}
				else
				{
					if (wildcmp(submatch, fd.cFileName))
					{
						if (strlen(tmproot+matchstart) + strlen(fd.cFileName) + 1 < MAX_OSPATH)
						{
							Q_snprintfz(file, sizeof(file), "%s%s", tmproot+matchstart, fd.cFileName);
							go = func(file, qofs_Make(fd.nFileSizeLow, fd.nFileSizeHigh), parm, spath);
						}
					}
				}
			} while(FindNextFile(r, &fd) && go);
			FindClose(r);
		}
	}
	else
	{
		HANDLE r;
		WIN32_FIND_DATAW fd;
		int nest = neststart;	//neststart refers to just after a /
		qboolean wild = false;

		while(match[nest] && match[nest] != '/')
		{
			if (match[nest] == '?' || match[nest] == '*')
				wild = true;
			nest++;
		}
		if (match[nest] == '/')
		{
			char submatch[MAX_OSPATH];
			char tmproot[MAX_OSPATH];

			if (!wild)
				return Sys_EnumerateFiles2(match, matchstart, nest+1, func, parm, spath);

			if (nest-neststart+1> MAX_OSPATH)
				return 1;
			memcpy(submatch, match+neststart, nest - neststart);
			submatch[nest - neststart] = 0;
			nest++;

			if (neststart+4 > MAX_OSPATH)
				return 1;
			memcpy(tmproot, match, neststart);
			strcpy(tmproot+neststart, "*.*");

			{
				wchar_t wroot[MAX_OSPATH];
				r = FindFirstFileW(widen(wroot, sizeof(wroot), tmproot), &fd);
			}
			strcpy(tmproot+neststart, "");
			if (r==(HANDLE)-1)
				return 1;
			go = true;
			do
			{
				char utf8[MAX_OSPATH];
				char file[MAX_OSPATH];
				narrowen(utf8, sizeof(utf8), fd.cFileName);
				if (*utf8 == '.');	//don't ever find files with a name starting with '.'
				else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)	//is a directory
				{
					if (wildcmp(submatch, utf8))
					{
						int newnest;
						if (strlen(tmproot) + strlen(utf8) + strlen(match+nest) + 2 < MAX_OSPATH)
						{
							Q_snprintfz(file, sizeof(file), "%s%s/", tmproot, utf8);
							newnest = strlen(file);
							strcpy(file+newnest, match+nest);
							go = Sys_EnumerateFiles2(file, matchstart, newnest, func, parm, spath);
						}
					}
				}
			} while(FindNextFileW(r, &fd) && go);
			FindClose(r);
		}
		else
		{
			const char *submatch = match + neststart;
			char tmproot[MAX_OSPATH];

			if (neststart+4 > MAX_OSPATH)
				return 1;
			memcpy(tmproot, match, neststart);
			strcpy(tmproot+neststart, "*.*");

			{
				wchar_t wroot[MAX_OSPATH];
				r = FindFirstFileW(widen(wroot, sizeof(wroot), tmproot), &fd);
			}
			strcpy(tmproot+neststart, "");
			if (r==(HANDLE)-1)
				return 1;
			go = true;
			do
			{
				char utf8[MAX_OSPATH];
				char file[MAX_OSPATH];

				narrowen(utf8, sizeof(utf8), fd.cFileName);
				if (*utf8 == '.')
					;	//don't ever find files with a name starting with '.' (includes .. and . directories, and unix hidden files)
				else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)	//is a directory
				{
					if (wildcmp(submatch, utf8))
					{
						if (strlen(tmproot+matchstart) + strlen(utf8) + 2 < MAX_OSPATH)
						{
							Q_snprintfz(file, sizeof(file), "%s%s/", tmproot+matchstart, utf8);
							go = func(file, qofs_Make(fd.nFileSizeLow, fd.nFileSizeHigh), parm, spath);
						}
					}
				}
				else
				{
					if (wildcmp(submatch, utf8))
					{
						if (strlen(tmproot+matchstart) + strlen(utf8) + 1 < MAX_OSPATH)
						{
							Q_snprintfz(file, sizeof(file), "%s%s", tmproot+matchstart, utf8);
							go = func(file, qofs_Make(fd.nFileSizeLow, fd.nFileSizeHigh), parm, spath);
						}
					}
				}
			} while(FindNextFileW(r, &fd) && go);
			FindClose(r);
		}
	}
	return go;
}
int Sys_EnumerateFiles (const char *gpath, const char *match, int (QDECL *func)(const char *fname, qofs_t fsize, void *parm, searchpathfuncs_t *spath), void *parm, searchpathfuncs_t *spath)
{
	char fullmatch[MAX_OSPATH];
	int start;
	if (strlen(gpath) + strlen(match) + 2 > MAX_OSPATH)
		return 1;

	strcpy(fullmatch, gpath);
	start = strlen(fullmatch);
	if (start && fullmatch[start-1] != '/')
		fullmatch[start++] = '/';
	fullmatch[start] = 0;
	strcat(fullmatch, match);
	return Sys_EnumerateFiles2(fullmatch, start, start, func, parm, spath);
}

//wide only. we let the windows api sort out the mess of file urls. system-wide consistancy.
qboolean Sys_ResolveFileURL(const char *inurl, int inlen, char *out, int outlen)
{
	char *cp;
	wchar_t wurl[MAX_PATH];
	wchar_t local[MAX_PATH];
	DWORD grr;
	static HRESULT (WINAPI *pPathCreateFromUrlW)(PCWSTR pszUrl, PWSTR pszPath, DWORD *pcchPath, DWORD dwFlags);
	if (!pPathCreateFromUrlW)
		pPathCreateFromUrlW = Sys_GetAddressForName(Sys_LoadLibrary("Shlwapi.dll", NULL), "PathCreateFromUrlW");
	if (!pPathCreateFromUrlW)
		return false;

	//need to make a copy, because we can't terminate the inurl easily.
	cp = malloc(inlen+1);
	memcpy(cp, inurl, inlen);
	cp[inlen] = 0;
	widen(wurl, sizeof(wurl), cp);
	free(cp);
	grr = sizeof(local)/sizeof(wchar_t);
	if (FAILED(pPathCreateFromUrlW(wurl, local, &grr, 0)))
		return false;
	narrowen(out, outlen, local);
	return true;
}
/*
===============================================================================

SYSTEM IO

===============================================================================
*/

/*
================
Sys_MakeCodeWriteable
================
*/
#if 0
void Sys_MakeCodeWriteable (void *startaddr, unsigned long length)
{
	DWORD  flOldProtect;

//@@@ copy on write or just read-write?
	if (!VirtualProtect(startaddr, length, PAGE_EXECUTE_READWRITE, &flOldProtect))
	{
		char str[1024];

		FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
						NULL,
						GetLastError(),
						MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
						str,
						sizeof(str),
						NULL);
		Sys_Error("Protection change failed!\nError %d: %s\n", (int)GetLastError(), str);
	}
}
#endif

void Sys_DoFileAssociations(qboolean elevated);
void Sys_Register_File_Associations_f(void)
{
	Sys_DoFileAssociations(0);
}
/*
================
Sys_Init
================
*/
void Sys_Init (void)
{
//	LARGE_INTEGER	PerformanceFreq;
//	unsigned int	lowpart, highpart;
	OSVERSIONINFO	vinfo;

#ifndef SERVERONLY
	Cvar_Register(&sys_disableWinKeys, "System vars");
	Cvar_Register(&sys_disableTaskSwitch, "System vars");
	Cmd_AddCommandD("sys_register_file_associations", Sys_Register_File_Associations_f, "Register FTE as the system handler for .bsp .mvd .qwd .dem files. Also register the qw:// URL protocol. This command will probably trigger a UAC prompt in Windows Vista and up. Deny it for current-user-only asociations (will also prevent listing in windows' 'default programs' ui due to microsoft bugs/limitations).");

#ifdef QUAKESPYAPI
#ifndef CLIENTONLY
	if (!isDedicated && !COM_CheckParm("-nomutex"))
#else
	if (!COM_CheckParm("-nomutex"))	//we need to create a mutex to allow gamespy to realise that we're running, but it might not be desired as it prevents other clients from running too.
#endif
	{
		// allocate a named semaphore on the client so the
		// front end can tell if it is alive

		// mutex will fail if semephore already exists
		qwclsemaphore = CreateMutex(
			NULL,         // Security attributes
			0,            // owner
			"qwcl"); // Semaphore name
	//	if (!qwclsemaphore)
	//		Sys_Error ("QWCL is already running on this system");
		CloseHandle (qwclsemaphore);

		qwclsemaphore = CreateSemaphore(
			NULL,         // Security attributes
			0,            // Initial count
			1,            // Maximum count
			"qwcl"); // Semaphore name
	}
#endif
#endif

#if 0
	if (!QueryPerformanceFrequency (&PerformanceFreq))
		Sys_Error ("No hardware timer available");

// get 32 out of the 64 time bits such that we have around
// 1 microsecond resolution
	lowpart = (unsigned int)PerformanceFreq.LowPart;
	highpart = (unsigned int)PerformanceFreq.HighPart;
	lowshift = 0;

	while (highpart || (lowpart > 2000000.0))
	{
		lowshift++;
		lowpart >>= 1;
		lowpart |= (highpart & 1) << 31;
		highpart >>= 1;
	}

	pfreq = 1.0 / (double)lowpart;

	Sys_InitFloatTime ();
#endif

	// make sure the timer is high precision, otherwise
	// NT gets 18ms resolution
	timeBeginPeriod( 1 );

	vinfo.dwOSVersionInfoSize = sizeof(vinfo);

	if (!GetVersionEx (&vinfo))
		Sys_Error ("Couldn't get OS info");

	if ((vinfo.dwMajorVersion < 4) ||
		(vinfo.dwPlatformId == VER_PLATFORM_WIN32s))
	{
		Sys_Error (FULLENGINENAME " requires at least Win95 or NT 4.0");
	}

	if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
		WinNT = true;
	else
		WinNT = false;

	qwinvermaj = vinfo.dwMajorVersion;
	qwinvermin = vinfo.dwMinorVersion;
}


void Sys_Shutdown(void)
{
	int i;
	if (tevent)
		CloseHandle (tevent);
	tevent = NULL;

	if (qwclsemaphore)
		CloseHandle (qwclsemaphore);
	qwclsemaphore = NULL;

	for (i = 0; i < MAX_NUM_ARGVS; i++)
	{
		if (!sys_argv[i])
			break;
		free(sys_argv[i]);
		sys_argv[i] = NULL;
	}
}


void VARGS Sys_Error (const char *error, ...)
{
	va_list		argptr;
	char		text[1024];
	//, text2[1024];
//	DWORD		dummy;

 	va_start (argptr, error);
	vsnprintf (text, sizeof(text), error, argptr);
	va_end (argptr);

#ifndef SERVERONLY
	SetHookState(false);
	Host_Shutdown ();
#else
	SV_Shutdown();
#endif

	MessageBox(NULL, text, "Error", 0);

#ifndef SERVERONLY
	CloseHandle (qwclsemaphore);
	SetHookState(false);
#endif

	TL_Shutdown();

#ifdef USE_MSVCRT_DEBUG
	if (_CrtDumpMemoryLeaks())
		OutputDebugStringA("Leaks detected\n");
#endif

	exit (1);
}

void VARGS Sys_Printf (char *fmt, ...)
{
	va_list		argptr;
	char		text[1024];
	DWORD		dummy;

	conchar_t msg[1024], *end, *in;
	wchar_t wide[1024], *out;
	int wlen;

	if (!houtput && !debugout && !SSV_IsSubServer())
		return;

	va_start (argptr,fmt);
	vsnprintf (text, sizeof(text), fmt, argptr);
	va_end (argptr);

#ifdef SUBSERVERS
	if (SSV_IsSubServer())
	{
		SSV_PrintToMaster(text);
		return;
	}
#endif

	end = COM_ParseFunString(CON_WHITEMASK, text, msg, sizeof(msg), false);
	out = wide;
	in = msg;
	wlen = 0;
	for (in = msg; in < end; in++)
	{
		if (!(*in & CON_HIDDEN))
		{
			*out++ = COM_DeQuake(*in & CON_CHARMASK);
			wlen++;
		}
	}
	*out = 0;

	if (debugout)
		OutputDebugStringW(wide);
	if (houtput)
		WriteConsoleW(houtput, wide, wlen, &dummy, NULL);
}

void Sys_Quit (void)
{
#ifndef SERVERONLY
	SetHookState(false);

	Host_Shutdown ();

	SetHookState(false);
#else
	SV_Shutdown();
#endif

	TL_Shutdown();

#ifdef RESTARTTEST
	longjmp(restart_jmpbuf, 1);
#endif

#ifdef USE_MSVCRT_DEBUG
	if (_CrtDumpMemoryLeaks())
		OutputDebugStringA("Leaks detected\n");
#endif

	exit(1);
}


#if 0
/*
================
Sys_DoubleTime
================
*/
double Sys_DoubleTime (void)
{
	static int			first = 1;
	static LARGE_INTEGER		qpcfreq;
	LARGE_INTEGER		PerformanceCount;
	static LONGLONG			oldcall;
	static LONGLONG			firsttime;
	LONGLONG			diff;

	QueryPerformanceCounter (&PerformanceCount);
	if (first)
	{
		first = 0;
		QueryPerformanceFrequency(&qpcfreq);
		firsttime = PerformanceCount.QuadPart;
		diff = 0;
	}
	else
		diff = PerformanceCount.QuadPart - oldcall;
	if (diff >= 0)
		oldcall = PerformanceCount.QuadPart;
	return (oldcall - firsttime) / (double)qpcfreq.QuadPart;
}
unsigned int Sys_Milliseconds (void)
{
	return Sys_DoubleTime()*1000;
}
#else
unsigned int Sys_Milliseconds (void)
{
	static DWORD starttime;
	static qboolean first = true;
	DWORD now;
//	double t;

	now = timeGetTime();

	if (first) {
		first = false;
		starttime = now;
		return 0.0;
	}
	/*
	if (now < starttime) // wrapped?
	{
		double r;
		r = (now) + (LONG_MAX - starttime);
		starttime = now;
		return r;
	}

	if (now - starttime == 0)
		return 0.0;
*/
	return (now - starttime);
}

double Sys_DoubleTime (void)
{
	return Sys_Milliseconds()/1000.f;
}
#endif



/////////////////////////////////////////////////////////////
//clipboard
HANDLE	clipboardhandle;
char *cliputf8;
char *Sys_GetClipboard(void)
{
	if (OpenClipboard(NULL))
	{
		//windows programs interpret CF_TEXT as ansi (aka: gibberish)
		//so grab utf-16 text and convert it to utf-8 if our console parsing is set to accept that.
		clipboardhandle = GetClipboardData(CF_UNICODETEXT);
		if (clipboardhandle)
		{
			unsigned short *clipWText = GlobalLock(clipboardhandle);
			if (clipWText)
			{
				unsigned int l, c;
				char *utf8;
				for (l = 0; clipWText[l]; l++)
					;
				l = l*4 + 1;
				utf8 = cliputf8 = malloc(l);
				while(*clipWText)
				{
					if (clipWText[0] == '\r' && clipWText[1] == '\n')	//bloomin microsoft.
						clipWText++;
					c = utf8_encode(utf8, *clipWText++, l);
					if (!c)
						break;
					l -= c;
					utf8 += c;
				}
				*utf8 = 0;
				return cliputf8;
			}

			//failed at the last hurdle

			GlobalUnlock(clipboardhandle);
		}

		clipboardhandle = GetClipboardData(CF_TEXT);
		if (clipboardhandle)
		{
			char *clipText = GlobalLock(clipboardhandle);
			if (clipText)
			{
				unsigned int l, c;
				char *utf8;
				for (l = 0; clipText[l]; l++)
					;
				l = l*4 + 1;
				utf8 = cliputf8 = malloc(l);
				while(*clipText)
				{
					if (clipText[0] == '\r' && clipText[1] == '\n')	//bloomin microsoft.
						clipText++;
					c = utf8_encode(utf8, *clipText++, l);
					if (!c)
						break;
					l -= c;
					utf8 += c;
				}
				*utf8 = 0;
				return cliputf8;
			}

			//failed at the last hurdle

			GlobalUnlock(clipboardhandle);
		}
		CloseClipboard();
	}

	clipboardhandle = NULL;

	return NULL;
}
void Sys_CloseClipboard(char *bf)
{
	if (clipboardhandle)
	{
		free(cliputf8);
		cliputf8 = NULL;
		GlobalUnlock(clipboardhandle);
		CloseClipboard();
		clipboardhandle = NULL;
	}
}
void Sys_SaveClipboard(char *text)
{
	HANDLE glob;
	char *temp;
	unsigned short *tempw;
	if (!OpenClipboard(NULL))
		return;
    EmptyClipboard();

	if (com_parseutf8.ival > 0)
	{
		glob = GlobalAlloc(GMEM_MOVEABLE, (strlen(text) + 1)*2);
		if (glob)
		{
			tempw = GlobalLock(glob);
			if (tempw != NULL)
			{
				int error;
				while(*text)
				{
					//NOTE: should be \r\n and not just \n
					*tempw++ = utf8_decode(&error, text, &text);
				}
				*tempw = 0;
				GlobalUnlock(glob);
				SetClipboardData(CF_UNICODETEXT, glob);
			}
			else
				GlobalFree(glob);
		}
	}
	else
	{
		glob = GlobalAlloc(GMEM_MOVEABLE, strlen(text) + 1);
		if (glob)
		{
			//yes, quake chars will get mangled horribly.
			temp = GlobalLock(glob);
			if (temp != NULL)
			{
				int error;
				while (*text)
				{
					//NOTE: should be \r\n and not just \n
					*temp++ = utf8_decode(&error, text, &text) & 0xff;
				}
				*temp = 0;
				strcpy(temp, text);
				GlobalUnlock(glob);
				SetClipboardData(CF_TEXT, glob);
			}
			else
				GlobalFree(glob);
		}
	}

	CloseClipboard();
}


//end of clipboard
/////////////////////////////////////////////////////////////




/////////////////////////////////////////
//the system console stuff

char *Sys_ConsoleInput (void)
{
	static char	text[256];
	static int		len;
	INPUT_RECORD	recs[1024];
//	int		count;
	int		ch;
	DWORD numevents, numread, dummy=0;
	HANDLE	th;
	char	*clipText, *textCopied;

#ifdef SUBSERVERS
	if (SSV_IsSubServer())
	{
		DWORD avail;
		static char	text[1024], *nl;
		static int textpos = 0;

		HANDLE input = GetStdHandle(STD_INPUT_HANDLE);
		for (;;)
		{
			if (!PeekNamedPipe(input, NULL, 0, NULL, &avail, NULL))
			{
				SV_FinalMessage("Cluster shut down\n");
				Cmd_ExecuteString("quit force", RESTRICT_LOCAL);
			}
			else if (avail)
			{
				if (avail > sizeof(text)-1-textpos)
					avail = sizeof(text)-1-textpos;
				if (ReadFile(input, text+textpos, avail, &avail, NULL))
				{
					textpos += avail;
					while(textpos >= 2)
					{
						unsigned short len = text[0] | (text[1]<<8);
						if (textpos >= len && len >= 2)
						{
							memcpy(net_message.data, text+2, len-2);
							net_message.cursize = len-2;
							MSG_BeginReading (msg_nullnetprim);

							SSV_ReadFromControlServer();
							
							memmove(text, text+len, textpos - len);
							textpos -= len;
						}
						else
							break;
					}
				}
			}
			else
				break;
		}
		return NULL;
	}
#endif


	if (!hinput)
		return NULL;

	for ( ;; )
	{
		if (!GetNumberOfConsoleInputEvents (hinput, &numevents))
			Sys_Error ("Error getting # of console events");

		if (numevents <= 0)
			break;

		if (WinNT)
		{
			if (!ReadConsoleInputW(hinput, recs, 1, &numread))
				Sys_Error ("Error reading console input");
		}
		else
		{
			if (!ReadConsoleInputA(hinput, recs, 1, &numread))
				Sys_Error ("Error reading console input");
		}

		if (numread != 1)
			Sys_Error ("Couldn't read console input");

		if (recs[0].EventType == KEY_EVENT)
		{
			if (recs[0].Event.KeyEvent.bKeyDown)
			{
				ch = recs[0].Event.KeyEvent.uChar.UnicodeChar;

				switch (ch)
				{
					case '\r':
						WriteFile(houtput, "\r\n", 2, &dummy, NULL);

						if (len)
						{
							text[len] = 0;
							len = 0;
							return text;
						}
						break;

					case '\b':
						if (len)
						{
							len--;
							WriteFile(houtput, "\b \b", 3, &dummy, NULL);
						}
						break;

					default:
						if (((ch=='V' || ch=='v') && (recs[0].Event.KeyEvent.dwControlKeyState &
							(LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))) || ((recs[0].Event.KeyEvent.dwControlKeyState
							& SHIFT_PRESSED) && (recs[0].Event.KeyEvent.wVirtualKeyCode
							==VK_INSERT))) {
							if (OpenClipboard(NULL)) {
								th = GetClipboardData(CF_TEXT);
								if (th) {
									clipText = GlobalLock(th);
									if (clipText) {
										int i;
										textCopied = BZ_Malloc(GlobalSize(th)+1);
										strcpy(textCopied, clipText);
/* Substitutes a NULL for every token */strtok(textCopied, "\n\r\b");
										i = strlen(textCopied);
										if (i+len>=256)
											i=256-len;
										if (i>0) {
											textCopied[i]=0;
											text[len]=0;
											strcat(text, textCopied);
											len+=dummy;
											WriteFile(houtput, textCopied, i, &dummy, NULL);
										}
										BZ_Free(textCopied);
									}
									GlobalUnlock(th);
								}
								CloseClipboard();
							}
						} else if (ch >= ' ')
						{
							wchar_t wch = ch;
							WriteConsoleW(houtput, &wch, 1, &dummy, NULL);
							len += utf8_encode(text+len, ch, sizeof(text)-1-len);
						}

						break;

				}
			}
		}
	}

	return NULL;
}

BOOL WINAPI HandlerRoutine (DWORD dwCtrlType)
{
	switch (dwCtrlType)
	{
		case CTRL_C_EVENT:
		case CTRL_BREAK_EVENT:
		case CTRL_CLOSE_EVENT:
		case CTRL_LOGOFF_EVENT:
		case CTRL_SHUTDOWN_EVENT:
			Cbuf_AddText ("quit\n", RESTRICT_LOCAL);
			return true;
	}

	return false;
}

#ifndef CP_UTF8
#define CP_UTF8                   65001
#endif
qboolean Sys_InitTerminal (void)
{
	DWORD m;

	if (SSV_IsSubServer())
		return true;	//just pretend we did

	if (!AllocConsole())
		return false;

#ifndef SERVERONLY
	if (qwclsemaphore)
	{
		CloseHandle(qwclsemaphore);
		qwclsemaphore = NULL;
	}
#endif

	SetConsoleCtrlHandler (HandlerRoutine, TRUE);
	SetConsoleCP(CP_UTF8);
	SetConsoleOutputCP(CP_UTF8);
	SetConsoleTitle (FULLENGINENAME " dedicated server");
	hinput = GetStdHandle (STD_INPUT_HANDLE);
	houtput = GetStdHandle (STD_OUTPUT_HANDLE);

	GetConsoleMode(hinput, &m);
	SetConsoleMode(hinput, m | 0x40 | 0x80);

	return true;
}
void Sys_CloseTerminal (void)
{
	FreeConsole();

	hinput = NULL;
	houtput = NULL;
}


//
////////////////////////////

int debuggerresume;
int debuggerresumeline;
void Sys_SendKeyEvents (void)
{
    MSG        msg;

#ifdef _MSC_VER
#define strtoull _strtoui64
#endif

	if (isPlugin)
	{
		DWORD avail;
		static char	text[256], *nl;
		static int textpos = 0;

		HANDLE input = GetStdHandle(STD_INPUT_HANDLE);
		if (!PeekNamedPipe(input, NULL, 0, NULL, &avail, NULL))
		{
			Cmd_ExecuteString("quit force", RESTRICT_LOCAL);
		}
		else if (avail)
		{
			if (avail > sizeof(text)-1-avail)
				avail = sizeof(text)-1-avail;
			if (ReadFile(input, text+textpos, avail, &avail, NULL))
			{
				textpos += avail;
				if (textpos > sizeof(text)-1)
					Sys_Error("No.");
				while(1)
				{
					text[textpos] = 0;
					nl = strchr(text, '\n');
					if (nl)
					{
						*nl++ = 0;
						if (!qrenderer && !strncmp(text, "vid_recenter ", 13))
						{
							Cmd_TokenizeString(text, false, false);
							sys_parentleft = strtoul(Cmd_Argv(1), NULL, 0);
							sys_parenttop = strtoul(Cmd_Argv(2), NULL, 0);
							sys_parentwidth = strtoul(Cmd_Argv(3), NULL, 0);
							sys_parentheight = strtoul(Cmd_Argv(4), NULL, 0); 
							sys_parentwindow = (HWND)(intptr_t)strtoull(Cmd_Argv(5), NULL, 16);
						}
						else if ((!strncmp(text, "qcstep", 6) && (text[6] == 0 || text[6] == ' ')) || (!strncmp(text, "qcresume", 8) && (text[8] == 0 || text[8] == ' ')))
						{
							int l;
							if (text[2] == 's')
							{
								debuggerresume = true;
								l = atoi(text+7);
							}
							else
							{
								l = atoi(text+9);
								debuggerresume = 2;
							}
							if (l)
								debuggerresumeline = l;
						}
						else if (!strncmp(text, "qcbreakpoint ", 13))
						{
							extern world_t csqc_world, menu_world;
							int mode;
							char *filename;
							int line;
							Cmd_TokenizeString(text, false, false);
							mode = strtoul(Cmd_Argv(1), NULL, 0);
							filename = Cmd_Argv(2);
							line = strtoul(Cmd_Argv(3), NULL, 0);
							//togglebreakpoint just finds the first statement (via the function table for file names) with the specified line number, and sets some unused high bit that causes it to be an invalid opcode.
#ifdef CSQC_DAT
							if (csqc_world.progs && csqc_world.progs->ToggleBreak)
								csqc_world.progs->ToggleBreak(csqc_world.progs, filename, line, mode);
#endif
#ifdef MENU_DAT
							if (menu_world.progs && menu_world.progs->ToggleBreak)
								menu_world.progs->ToggleBreak(menu_world.progs, filename, line, mode);
#endif
#ifndef CLIENTONLY
							if (sv.world.progs && sv.world.progs->ToggleBreak)
								sv.world.progs->ToggleBreak(sv.world.progs, filename, line, mode);
#endif
						}
						else
						{
							Cbuf_AddText(text, RESTRICT_LOCAL);
							Cbuf_AddText("\n", RESTRICT_LOCAL);
						}
						memmove(text, nl, textpos - (nl - text));
						textpos -= (nl - text);
					}
					else
						break;
				}
			}

		}
	}
	else if (isDedicated)
	{
#ifndef CLIENTONLY
		SV_GetConsoleCommands ();
#endif
		return;
	}

	if (gammapending)
	{
		gammapending -= host_frametime;
		if (gammapending < host_frametime)
		{
			gammapending = 0;
			Cvar_ForceCallback(&v_gamma);
		}
	}

	while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
	{
	// we always update if there are any event, even if we're paused
		//if (!GetMessage (&msg, NULL, 0, 0))
		//	break;
//			Sys_Quit ();
//		if (TranslateMessage (&msg))
//			continue;
      	DispatchMessage (&msg);
	}
}


void Sys_ServerActivity(void)
{
#ifndef SERVERONLY
	if (GetActiveWindow() != mainwindow)
		FlashWindow(mainwindow, true);
#endif
}

/*
==============================================================================

 WINDOWS CRAP

==============================================================================
*/

/*
==================
WinMain
==================
*/
void SleepUntilInput (int time)
{

	MsgWaitForMultipleObjects(1, &tevent, FALSE, time, QS_ALLINPUT);
}








qboolean Sys_Startup_CheckMem(quakeparms_t *parms)
{
	return true;
}

/*
==================
WinMain
==================
*/
HINSTANCE	global_hInstance;
int			global_nCmdShow;
HWND		hwnd_dialog;



#define COBJMACROS

#include <shlobj.h>

typedef struct qSHARDAPPIDINFOLINK {
  IShellLinkW *psl;
  PCWSTR     pszAppID;
} qSHARDAPPIDINFOLINK;

#define qSHARD_APPIDINFOLINK 0x00000007

typedef struct {
  GUID  fmtid;
  DWORD pid;
} qPROPERTYKEY;

typedef struct qIPropertyStore qIPropertyStore;
struct qIPropertyStore
{
    CONST_VTBL struct
	{
		/*IUnknown*/
		HRESULT ( STDMETHODCALLTYPE *QueryInterface )(
				qIPropertyStore * This,
				REFIID riid,
				void **ppvObject);
		ULONG ( STDMETHODCALLTYPE *AddRef )(
				qIPropertyStore * This);
		ULONG ( STDMETHODCALLTYPE *Release )(
				qIPropertyStore * This);

		/*property store stuff*/
		HRESULT ( STDMETHODCALLTYPE *GetCount)(
				qIPropertyStore * This,
				ULONG *count);

		HRESULT  ( STDMETHODCALLTYPE *GetAt)(
				qIPropertyStore * This,
				DWORD prop,
				qPROPERTYKEY * key);

		HRESULT  ( STDMETHODCALLTYPE *GetValue)(
				qIPropertyStore * This,
				qPROPERTYKEY * key,
				PROPVARIANT * val);

		HRESULT  ( STDMETHODCALLTYPE *SetValue)(
				qIPropertyStore * This,
				qPROPERTYKEY * key,
				PROPVARIANT * val);

		HRESULT  ( STDMETHODCALLTYPE *Commit)(
				qIPropertyStore * This);
	} *lpVtbl;
};

static const IID qIID_IPropertyStore = {0x886d8eeb, 0x8cf2, 0x4446, {0x8d, 0x02, 0xcd, 0xba, 0x1d, 0xbd, 0xcf, 0x99}};

#define qIObjectArray IUnknown 
static const IID qIID_IObjectArray = {0x92ca9dcd, 0x5622, 0x4bba, {0xa8,0x05,0x5e,0x9f,0x54,0x1b,0xd8,0xc9}};

typedef struct qIObjectCollection
{
    struct qIObjectCollectionVtbl
	{
		HRESULT ( __stdcall *QueryInterface )(
			/* [in] IShellLink*/ void *This,
			/* [in] */ const GUID * const riid,
			/* [out] */ void **ppvObject);

		ULONG ( __stdcall *AddRef )(
			/* [in] IShellLink*/ void *This);

		ULONG ( __stdcall *Release )(
			/* [in] IShellLink*/ void *This);

		HRESULT ( __stdcall *GetCount )(
			/* [in] IShellLink*/ void *This,
			/* [out] */ UINT *pcObjects);

		HRESULT ( __stdcall *GetAt )(
			/* [in] IShellLink*/ void *This,
			/* [in] */ UINT uiIndex,
			/* [in] */ const GUID * const riid,
			/* [iid_is][out] */ void **ppv);

		HRESULT ( __stdcall *AddObject )(
			/* [in] IShellLink*/ void *This,
			/* [in] */ void *punk);

		HRESULT ( __stdcall *AddFromArray )(
			/* [in] IShellLink*/ void *This,
			/* [in] */ qIObjectArray *poaSource);

		HRESULT ( __stdcall *RemoveObjectAt )(
			/* [in] IShellLink*/ void *This,
			/* [in] */ UINT uiIndex);

		HRESULT ( __stdcall *Clear )(
			/* [in] IShellLink*/ void *This);
	} *lpVtbl;
} qIObjectCollection;
static const IID qIID_IObjectCollection = {0x5632b1a4, 0xe38a, 0x400a, {0x92,0x8a,0xd4,0xcd,0x63,0x23,0x02,0x95}};
static const CLSID qCLSID_EnumerableObjectCollection = {0x2d3468c1, 0x36a7, 0x43b6, {0xac,0x24,0xd3,0xf0,0x2f,0xd9,0x60,0x7a}};

typedef struct qICustomDestinationList
{
	struct qICustomDestinationListVtbl
	{
		HRESULT ( __stdcall *QueryInterface ) (
			/* [in] ICustomDestinationList*/ void *This,
			/* [in] */  const GUID * const riid,
			/* [out] */ void **ppvObject);

		ULONG ( __stdcall *AddRef )(
			/* [in] ICustomDestinationList*/ void *This);

		ULONG ( __stdcall *Release )(
			/* [in] ICustomDestinationList*/ void *This);

		HRESULT ( __stdcall *SetAppID )(
			/* [in] ICustomDestinationList*/ void *This,
			/* [string][in] */ LPCWSTR pszAppID);

		HRESULT ( __stdcall *BeginList )(
			/* [in] ICustomDestinationList*/ void *This,
			/* [out] */ UINT *pcMinSlots,
			/* [in] */  const GUID * const riid,
			/* [out] */ void **ppv);

		HRESULT ( __stdcall *AppendCategory )(
			/* [in] ICustomDestinationList*/ void *This,
			/* [string][in] */ LPCWSTR pszCategory,
			/* [in] IObjectArray*/ void *poa);

		HRESULT ( __stdcall *AppendKnownCategory )(
			/* [in] ICustomDestinationList*/ void *This,
			/* [in] KNOWNDESTCATEGORY*/ int category);

		HRESULT ( __stdcall *AddUserTasks )(
			/* [in] ICustomDestinationList*/ void *This,
			/* [in] IObjectArray*/ void *poa);

		HRESULT ( __stdcall *CommitList )(
			/* [in] ICustomDestinationList*/ void *This);

		HRESULT ( __stdcall *GetRemovedDestinations )(
			/* [in] ICustomDestinationList*/ void *This,
			/* [in] */ const IID * const riid,
			/* [out] */ void **ppv);

		HRESULT ( __stdcall *DeleteList )(
			/* [in] ICustomDestinationList*/ void *This,
			/* [string][unique][in] */ LPCWSTR pszAppID);

		HRESULT ( __stdcall *AbortList )(
			/* [in] ICustomDestinationList*/ void *This);

	} *lpVtbl;
} qICustomDestinationList;

static const IID qIID_ICustomDestinationList = {0x6332debf, 0x87b5, 0x4670, {0x90,0xc0,0x5e,0x57,0xb4,0x08,0xa4,0x9e}};
static const CLSID qCLSID_DestinationList = {0x77f10cf0, 0x3db5, 0x4966, {0xb5,0x20,0xb7,0xc5,0x4f,0xd3,0x5e,0xd6}};

static const IID qIID_IShellLinkW = {0x000214F9L, 0, 0, {0xc0,0,0,0,0,0,0,0x46}};

#define WIN7_APPNAME L"FTEQuake"

static IShellLinkW *CreateShellLink(char *command, char *target, char *title, char *desc)
{
	HRESULT hr;
	IShellLinkW *link;
	qIPropertyStore *prop_store;

	WCHAR buf[1024];
	char tmp[1024], *s;

	// Get a pointer to the IShellLink interface.
	hr = CoCreateInstance(&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, &qIID_IShellLinkW, (void**)&link);
	if (FAILED(hr))
		return NULL;

	GetModuleFileNameW(NULL, buf, sizeof(buf)/sizeof(wchar_t)-1);
	IShellLinkW_SetIconLocation(link, buf, 0);  /*grab the first icon from our exe*/
	IShellLinkW_SetPath(link, buf); /*program to run*/

	Q_strncpyz(tmp, com_gamepath, sizeof(tmp));
	/*normalize the gamedir, so we don't end up with the same thing multiple times*/
	for(s = tmp; *s; s++)
	{
		if (*s == '\\')
			*s = '/';
		else
			*s = tolower(*s);
	}
	_snwprintf(buf, sizeof(buf), L"%ls \"%ls\" -basedir \"%ls\"", command, target, tmp);
	IShellLinkW_SetArguments(link, buf); /*args*/
	_snwprintf(buf, sizeof(buf), L"%ls", desc);
	IShellLinkW_SetDescription(link, buf);  /*tooltip*/


	hr = IShellLinkW_QueryInterface(link, &qIID_IPropertyStore, (void**)&prop_store);

	if(SUCCEEDED(hr))
	{
		PROPVARIANT pv;
		qPROPERTYKEY PKEY_Title;
		pv.vt=VT_LPSTR;
		pv.pszVal=title; /*item text*/
		CLSIDFromString(L"{F29F85E0-4FF9-1068-AB91-08002B27B3D9}", &(PKEY_Title.fmtid));
		PKEY_Title.pid=2;
		hr = prop_store->lpVtbl->SetValue(prop_store, &PKEY_Title, &pv);
		hr = prop_store->lpVtbl->Commit(prop_store);
		prop_store->lpVtbl->Release(prop_store);
	}

	return link;
}

void Sys_RecentServer(char *command, char *target, char *title, char *desc)
{
	qSHARDAPPIDINFOLINK appinfo;
	IShellLinkW *link;

	link = CreateShellLink(command, target, title, desc);
	if (!link)
		return;

	appinfo.pszAppID=WIN7_APPNAME;
	appinfo.psl=link;
	SHAddToRecentDocs(qSHARD_APPIDINFOLINK, &appinfo);
	IShellLinkW_Release(link);
}


typedef struct {
  LPCWSTR            pcszFile;
  LPCWSTR            pcszClass;
  int oaifInFlags;
} qOPENASINFO;
HRESULT (WINAPI *pSHOpenWithDialog)(HWND hwndParent, const qOPENASINFO *poainfo);

void Win7_Init(void)
{
	HANDLE h;
	HRESULT (WINAPI *pSetCurrentProcessExplicitAppUserModelID)(PCWSTR AppID);


	h = LoadLibrary("shell32.dll");
	if (h)
	{
		pSHOpenWithDialog = (void*)GetProcAddress(h, "SHOpenWithDialog");

		pSetCurrentProcessExplicitAppUserModelID = (void*)GetProcAddress(h, "SetCurrentProcessExplicitAppUserModelID");
		if (pSetCurrentProcessExplicitAppUserModelID)
			pSetCurrentProcessExplicitAppUserModelID(WIN7_APPNAME);
	}
}

void Win7_TaskListInit(void)
{
	qICustomDestinationList *cdl;
	qIObjectCollection *col;
	qIObjectArray *arr;
	IShellLinkW *link;
	CoInitialize(NULL);
	if (SUCCEEDED(CoCreateInstance(&qCLSID_DestinationList, NULL, CLSCTX_INPROC_SERVER, &qIID_ICustomDestinationList, (void**)&cdl)))
	{
		UINT minslots;
		IUnknown *removed;
		cdl->lpVtbl->BeginList(cdl, &minslots, &qIID_IObjectArray, (void**)&removed);

		if (SUCCEEDED(CoCreateInstance(&qCLSID_EnumerableObjectCollection, NULL, CLSCTX_INPROC_SERVER, &qIID_IObjectCollection, (void**)&col)))
		{

			switch(M_GameType())
			{
			case MGT_QUAKE1:
				link = CreateShellLink("+menu_servers", "", "Server List", "Pick a multiplayer server to join");
				if (link)
				{
					col->lpVtbl->AddObject(col, (IUnknown*)link);
					link->lpVtbl->Release(link);
				}
				link = CreateShellLink("+map start", "", "Start New Game (Quake)", "Begin a new single-player game");
				if (link)
				{
					col->lpVtbl->AddObject(col, (IUnknown*)link);
					link->lpVtbl->Release(link);
				}
				break;
			case MGT_QUAKE2:
				link = CreateShellLink("+menu_servers", "", "Quake2 Server List", "Pick a multiplayer server to join");
				if (link)
				{
					col->lpVtbl->AddObject(col, (IUnknown*)link);
					link->lpVtbl->Release(link);
				}
				link = CreateShellLink("+map unit1", "", "Start New Game (Quake2)", "Begin a new game");
				if (link)
				{
					col->lpVtbl->AddObject(col, (IUnknown*)link);
					link->lpVtbl->Release(link);
				}
				break;
			case MGT_HEXEN2:
				link = CreateShellLink("+menu_servers", "", "Hexen2 Server List", "Pick a multiplayer server to join");
				if (link)
				{
					col->lpVtbl->AddObject(col, (IUnknown*)link);
					link->lpVtbl->Release(link);
				}
				link = CreateShellLink("+map demo1", "", "Start New Game (Hexen2)", "Begin a new game");
				if (link)
				{
					col->lpVtbl->AddObject(col, (IUnknown*)link);
					link->lpVtbl->Release(link);
				}
				break;
			}

			if (SUCCEEDED(col->lpVtbl->QueryInterface(col, &qIID_IObjectArray, (void**)&arr)))
			{
				cdl->lpVtbl->AddUserTasks(cdl, arr);
				arr->lpVtbl->Release(arr);
			}
			col->lpVtbl->Release(col);
		}
		cdl->lpVtbl->AppendKnownCategory(cdl, 1);
		cdl->lpVtbl->CommitList(cdl);
		cdl->lpVtbl->Release(cdl);
	}
}


#if defined(SVNREVISION) && !defined(MINIMAL)
	#define SVNREVISIONSTR STRINGIFY(SVNREVISION)
	#if defined(OFFICIAL_RELEASE)
		#define UPD_BUILDTYPE "rel"
	#else
		#define UPD_BUILDTYPE "test"
		#define UPDATE_URL "http://triptohell.info/moodles/"
		#define UPDATE_URL_VERSION UPDATE_URL "version.txt"
		#ifdef _WIN64
			#define UPDATE_URL_BUILD UPDATE_URL "win64/fte" EXETYPE "64.exe"
		#else
			#define UPDATE_URL_BUILD UPDATE_URL "win32/fte" EXETYPE ".exe"
		#endif
	#endif
#endif

#if defined(SERVERONLY)
	#define EXETYPE "qwsv"	//not gonna happen, but whatever.
#elif defined(GLQUAKE) && defined(D3DQUAKE)
	#define EXETYPE "qw"
#elif defined(GLQUAKE)
	#ifdef MINIMAL
		#define EXETYPE "minglqw"
	#else
		#define EXETYPE "glqw"
	#endif
#elif defined(D3DQUAKE)
	#define EXETYPE "d3dqw"
#elif defined(SWQUAKE)
	#define EXETYPE "swqw"
#else
	//erm...
	#define EXETYPE "qw"
#endif


int MyRegGetIntValue(HKEY base, char *keyname, char *valuename, int defaultval)
{
	int result = defaultval;
	DWORD datalen = sizeof(result);
	HKEY subkey;
	DWORD type = REG_NONE;
	if (RegOpenKeyEx(base, keyname, 0, KEY_READ, &subkey) == ERROR_SUCCESS)
	{
		if (ERROR_SUCCESS != RegQueryValueEx(subkey, valuename, NULL, &type, (void*)&result, &datalen) || type != REG_DWORD)
			result = defaultval;
		RegCloseKey (subkey);
	}
	return result;
}
qboolean MyRegGetStringValue(HKEY base, char *keyname, char *valuename, void *data, int datalen)
{
	qboolean result = false;
	HKEY subkey;
	DWORD type = REG_NONE;
	if (RegOpenKeyEx(base, keyname, 0, KEY_READ, &subkey) == ERROR_SUCCESS)
	{
		DWORD dwlen;
		result = ERROR_SUCCESS == RegQueryValueEx(subkey, valuename, NULL, &type, data, &dwlen);
		datalen = dwlen;
		RegCloseKey (subkey);
	}

	if (type == REG_SZ || type == REG_EXPAND_SZ)
		((char*)data)[datalen] = 0;
	else
		((char*)data)[0] = 0;
	return result;
}
qboolean MyRegGetStringValueMultiSz(HKEY base, char *keyname, char *valuename, void *data, int datalen)
{
	qboolean result = false;
	HKEY subkey;
	DWORD type = REG_NONE;
	if (RegOpenKeyEx(base, keyname, 0, KEY_READ, &subkey) == ERROR_SUCCESS)
	{
		DWORD dwlen;
		result = ERROR_SUCCESS == RegQueryValueEx(subkey, valuename, NULL, &type, data, &dwlen);
		datalen = dwlen;
		RegCloseKey (subkey);
	}

	if (type == REG_MULTI_SZ)
		return result;
	return false;
}

qboolean MyRegSetValue(HKEY base, char *keyname, char *valuename, int type, void *data, int datalen)
{
	qboolean result = false;
	HKEY subkey;

	//'trivially' return success if its already set.
	//this allows success even when we don't have write access.
	if (RegOpenKeyEx(base, keyname, 0, KEY_READ, &subkey) == ERROR_SUCCESS)
	{
		DWORD oldtype;
		char olddata[2048];
		DWORD olddatalen = sizeof(olddata);
		result = ERROR_SUCCESS == RegQueryValueEx(subkey, valuename, NULL, &oldtype, olddata, &olddatalen);
		RegCloseKey (subkey);

		if (oldtype == REG_SZ || oldtype == REG_EXPAND_SZ)
		{
			while(olddatalen > 0 && olddata[olddatalen-1] == 0)
				olddatalen--;
		}

		if (result && datalen == olddatalen && type == oldtype && !memcmp(data, olddata, datalen))
			return result;
		result = false;
	}

	if (RegCreateKeyEx(base, keyname, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &subkey, NULL) == ERROR_SUCCESS)
	{
		if (ERROR_SUCCESS == RegSetValueEx(subkey, valuename, 0, type, data, datalen))
			result = true;
		RegCloseKey (subkey);
	}
	return result;
}
void MyRegDeleteKeyValue(HKEY base, char *keyname, char *valuename)
{
	HKEY subkey;
	if (RegOpenKeyEx(base, keyname, 0, KEY_WRITE, &subkey) == ERROR_SUCCESS)
	{
		RegDeleteValue(subkey, valuename);
		RegCloseKey (subkey);
	}
}
#ifdef UPDATE_URL

qboolean Update_GetHomeDirectory(char *homedir, int homedirsize)
{
	HMODULE shfolder = LoadLibrary("shfolder.dll");

	if (shfolder)
	{
		HRESULT (WINAPI *dSHGetFolderPath) (HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPTSTR pszPath);
		dSHGetFolderPath = (void *)GetProcAddress(shfolder, "SHGetFolderPathA");
		if (dSHGetFolderPath)
		{
			char folder[MAX_PATH];
			// 0x5 == CSIDL_PERSONAL
			if (dSHGetFolderPath(NULL, 0x5, NULL, 0, folder) == S_OK)
			{
				Q_snprintfz(homedir, homedirsize, "%s/My Games/%s/", folder, FULLENGINENAME);
				return true;
			}
		}
//		FreeLibrary(shfolder);
	}
	return false;
}

static void	Update_CreatePath (char *path)
{
	char	*ofs;

	for (ofs = path+1 ; *ofs ; ofs++)
	{
		if (*ofs == '/')
		{	// create the directory
			*ofs = 0;
			Sys_mkdir (path);
			*ofs = '/';
		}
	}
}

#include "fs.h"
void Update_Version_Updated(struct dl_download *dl)
{
	//happens in a thread, avoid va
	if (dl->file)
	{
		if (dl->status == DL_FINISHED)
		{
			char buf[8192];
			unsigned int size = 0, chunk;
			char pendingname[MAX_OSPATH];
			vfsfile_t *pending;
			Update_GetHomeDirectory(pendingname, sizeof(pendingname));
			Q_strncatz(pendingname, DISTRIBUTION UPD_BUILDTYPE EXETYPE".tmp", sizeof(pendingname));
			Update_CreatePath(pendingname);
			pending = VFSOS_Open(pendingname, "wb");
			if (!pending)
				Con_Printf("Unable to write to \"%s\"\n", pendingname);
			else
			{
				while(1)
				{
					chunk = VFS_READ(dl->file, buf, sizeof(buf));
					if (!chunk)
						break;
					size += VFS_WRITE(pending, buf, chunk);
				}
				VFS_CLOSE(pending);
				if (VFS_GETLEN(dl->file) == size)
				{
					MyRegSetValue(HKEY_CURRENT_USER, "Software\\"FULLENGINENAME, "pending" UPD_BUILDTYPE EXETYPE, REG_SZ, pendingname, strlen(pendingname)+1);
				}
			}
		}
	}
}
void Update_Versioninfo_Available(struct dl_download *dl)
{
	if (dl->file)
	{
		if (dl->status == DL_FINISHED)
		{
			char linebuf[1024];
			while(VFS_GETS(dl->file, linebuf, sizeof(linebuf)))
			{
				if (!strnicmp(linebuf, "Revision: ", 10))
				{
					if (atoi(linebuf+10) > atoi(SVNREVISIONSTR))
					{
						struct dl_download *dl;
						Con_Printf("Downloading update: revision %i\n", atoi(linebuf+10));
						dl = HTTP_CL_Get(UPDATE_URL_BUILD, NULL, Update_Version_Updated);
						dl->file = FS_OpenTemp();
#ifdef MULTITHREAD
						DL_CreateThread(dl, NULL, NULL);
#endif
					}
				}
			}
		}
	}
}
static qboolean doupdatecheck;
void Update_Check(void)
{
	struct dl_download *dl;
	if (doupdatecheck)
	{
		doupdatecheck = false;
		dl = HTTP_CL_Get(UPDATE_URL_VERSION, NULL, Update_Versioninfo_Available);
		dl->file = FS_OpenTemp();
#ifdef MULTITHREAD
		DL_CreateThread(dl, NULL, NULL);
#endif
	}
}

qboolean Sys_CheckUpdated(void)
{
	int ffe = COM_CheckParm("--fromfrontend");
	PROCESS_INFORMATION childinfo;
	STARTUPINFO startinfo = {sizeof(startinfo)};

	if (!strcmp(SVNREVISIONSTR, "-"))
		return false;	//no revision info in this build, meaning its custom built and thus cannot check against the available updated versions.
	else if (COM_CheckParm("-noupdate") || COM_CheckParm("--noupdate"))
		return false;
	else if (!COM_CheckParm("-autoupdate") && !COM_CheckParm("--autoupdate"))
		return false;
	else if (COM_CheckParm("-plugin"))
	{
		//download, but don't invoke. the caller is expected to start us up properly (once installed).
	}
	else if (!ffe)
	{
		//if we're not from the frontend, we should run the updated build instead
		char frontendpath[MAX_OSPATH];
		char pendingpath[MAX_OSPATH];
		char updatedpath[MAX_OSPATH];

		MyRegGetStringValue(HKEY_CURRENT_USER, "Software\\"FULLENGINENAME, "pending" UPD_BUILDTYPE EXETYPE, pendingpath, sizeof(pendingpath));
		if (*pendingpath)
		{
			MyRegDeleteKeyValue(HKEY_CURRENT_USER, "Software\\"FULLENGINENAME, "pending" UPD_BUILDTYPE EXETYPE);
			Update_GetHomeDirectory(updatedpath, sizeof(updatedpath));
			Update_CreatePath(updatedpath);
			Q_strncatz(updatedpath, "cur" UPD_BUILDTYPE EXETYPE".exe", sizeof(updatedpath));
			DeleteFile(updatedpath);
			if (MoveFile(pendingpath, updatedpath))
				MyRegSetValue(HKEY_CURRENT_USER, "Software\\"FULLENGINENAME, UPD_BUILDTYPE EXETYPE, REG_SZ, updatedpath, strlen(updatedpath)+1);
		}

		MyRegGetStringValue(HKEY_CURRENT_USER, "Software\\"FULLENGINENAME, UPD_BUILDTYPE EXETYPE, updatedpath, sizeof(updatedpath));
		
		if (*updatedpath)
		{
			GetModuleFileName(NULL, frontendpath, sizeof(frontendpath)-1);
			if (CreateProcess(updatedpath, va("\"%s\" %s --fromfrontend \"%s\" \"%s\"", frontendpath, COM_Parse(GetCommandLineA()), SVNREVISIONSTR, frontendpath), NULL, NULL, TRUE, 0, NULL, NULL, &startinfo, &childinfo))
				return true;
		}
	}
	else
	{
		char frontendpath[MAX_OSPATH];
		//com_argv[ffe+1] is frontend revision
		//com_argv[ffe+2] is frontend location
		if (atoi(com_argv[ffe+1]) > atoi(SVNREVISIONSTR))
		{
			//ping-pong it back, to make sure we're running the most recent version.
			GetModuleFileName(NULL, frontendpath, sizeof(frontendpath)-1);
			if (CreateProcess(com_argv[ffe+2], va("--fromfrontend \"%s\" \"%s\" %s", "", "", COM_Parse(GetCommandLineA())), NULL, NULL, TRUE, 0, NULL, NULL, &startinfo, &childinfo))
				return true;
		}
		if (com_argv[ffe+2])
			com_argv[0] = com_argv[ffe+2];
	}
	doupdatecheck = true;
	return false;
}
#else
qboolean Sys_CheckUpdated(void)
{
	return false;
}
void Update_Check(void)
{
}
#endif

#include "shellapi.h"
const GUID qIID_IApplicationAssociationRegistrationUI = {0x1f76a169,0xf994,0x40ac, {0x8f,0xc8,0x09,0x59,0xe8,0x87,0x47,0x10}};
const GUID qCLSID_ApplicationAssociationRegistrationUI = {0x1968106d,0xf3b5,0x44cf,{0x89,0x0e,0x11,0x6f,0xcb,0x9e,0xce,0xf1}};
struct qIApplicationAssociationRegistrationUI;
typedef struct qIApplicationAssociationRegistrationUI
{
	struct qIApplicationAssociationRegistrationUI_vtab
	{
		HRESULT  (WINAPI *QueryInterface)				(struct qIApplicationAssociationRegistrationUI *, const GUID *riid, void **ppvObject);
		HRESULT  (WINAPI *AddRef)						(struct qIApplicationAssociationRegistrationUI *);
		HRESULT  (WINAPI *Release)						(struct qIApplicationAssociationRegistrationUI *);
		HRESULT  (WINAPI *LaunchAdvancedAssociationUI)	(struct qIApplicationAssociationRegistrationUI *, LPCWSTR app);
	} *lpVtbl;
} qIApplicationAssociationRegistrationUI;

void Sys_DoFileAssociations(qboolean elevated)
{
	char command[1024];
	qboolean ok = true;	
	HKEY root;

	//I'd do everything in current_user if I could, but windows sucks too much for that.
	//'registered applications' simply does not work in hkcu, we MUST use hklm for that.
	//if there's a registered application and we are not, we are unable to grab that association, ever.
	//thus we HAVE to do things to the local machine or we might as well not bother doing anything.
	//still, with a manifest not giving false success, if the user clicks 'no' to the UAC prompt, we'll write everything to the current user anyway, so if microsoft do ever fix things, then yay.
	//also, I hate the idea of creating a 'registered application' in globally without the file types it uses being local.

	//on xp, we use ONLY current user. no 'registered applications' means no 'registered applications bug', which means no need to use hklm at all.
	//in vista/7, we have to create stuff in local_machine. in which case we might as well put ALL associations in there. the ui stuff will allow user-specific settings, so this is not an issue other than the fact that it triggers uac.
	//in 8, we cannot programatically force ownership of our associations, so we might as well just use the ui method even for vista+7 instead of the ruder version.
	if (qwinvermaj < 6)
		elevated = 2;

	root = elevated == 2?HKEY_CURRENT_USER:HKEY_LOCAL_MACHINE;

	#define ASSOC_VERSION 2
#define ASSOCV "1"

	//register the basic demo class
	Q_snprintfz(command, sizeof(command), "Quake or QuakeWorld Demo");
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_DemoFile."ASSOCV, "", REG_SZ, command, strlen(command));
	Q_snprintfz(command, sizeof(command), "\"%s\",0", com_argv[0]);
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_DemoFile."ASSOCV"\\DefaultIcon", "", REG_SZ, command, strlen(command));
	Q_snprintfz(command, sizeof(command), "\"%s\" \"%%1\"", com_argv[0]);
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_DemoFile."ASSOCV"\\shell\\open\\command", "", REG_SZ, command, strlen(command));

	//register the basic map class. yeah, the command is the same as for demos. but the description is different!
	Q_snprintfz(command, sizeof(command), "Quake Map");
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_BSPFile."ASSOCV, "", REG_SZ, command, strlen(command));
	Q_snprintfz(command, sizeof(command), "\"%s\",0", com_argv[0]);
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_BSPFile."ASSOCV"\\DefaultIcon", "", REG_SZ, command, strlen(command));
	Q_snprintfz(command, sizeof(command), "\"%s\" \"%%1\"", com_argv[0]);
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_BSPFile."ASSOCV"\\shell\\open\\command", "", REG_SZ, command, strlen(command));

	//register the basic protocol class
	Q_snprintfz(command, sizeof(command), "QuakeWorld Server");
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_Server."ASSOCV"", "", REG_SZ, command, strlen(command));
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_Server."ASSOCV"", "URL Protocol", REG_SZ, "", strlen(""));
	Q_snprintfz(command, sizeof(command), "\"%s\",0", com_argv[0]);
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_Server."ASSOCV"\\DefaultIcon", "", REG_SZ, command, strlen(command));
	Q_snprintfz(command, sizeof(command), "\"%s\" \"%%1\"", com_argv[0]);
	ok = ok & MyRegSetValue(root, "Software\\Classes\\"DISTRIBUTION"_Server."ASSOCV"\\shell\\open\\command", "", REG_SZ, command, strlen(command));

	//try to get ourselves listed in windows' 'default programs' ui.
	Q_snprintfz(command, sizeof(command), "%s", FULLENGINENAME);
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities", "ApplicationName", REG_SZ, command, strlen(command));
	Q_snprintfz(command, sizeof(command), "%s", FULLENGINENAME" is an awesome hybrid game engine able to run multiple Quake-compatible/derived games.");
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities", "ApplicationDescription", REG_SZ, command, strlen(command));

	Q_snprintfz(command, sizeof(command), DISTRIBUTION"_DemoFile.1");
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\FileAssociations", ".qtv", REG_SZ, command, strlen(command));
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\FileAssociations", ".mvd", REG_SZ, command, strlen(command));
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\FileAssociations", ".qwd", REG_SZ, command, strlen(command));
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\FileAssociations", ".dem", REG_SZ, command, strlen(command));
//	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\FileAssociations", ".dm2", REG_SZ, command, strlen(command));

	Q_snprintfz(command, sizeof(command), DISTRIBUTION"_BSPFile.1");
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\FileAssociations", ".bsp", REG_SZ, command, strlen(command));

//	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\FileAssociations", ".fmf", REG_SZ, DISTRIBUTION"_ManifestFile", strlen(DISTRIBUTION"_ManifestFile"));
//	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\MIMEAssociations", "application/x-ftemanifest", REG_SZ, DISTRIBUTION"_ManifestFile", strlen(DISTRIBUTION"_ManifestFile"));

	Q_snprintfz(command, sizeof(command), DISTRIBUTION"_Server.1");
	ok = ok & MyRegSetValue(root, "Software\\"FULLENGINENAME"\\Capabilities\\UrlAssociations", "qw", REG_SZ, command, strlen(command));
	
	Q_snprintfz(command, sizeof(command), "Software\\"FULLENGINENAME"\\Capabilities");
	ok = ok & MyRegSetValue(root, "Software\\RegisteredApplications", FULLENGINENAME, REG_SZ, command, strlen(command));

	SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);

	if (!ok && elevated < 2)
	{
		HINSTANCE ch = ShellExecute(mainwindow, "runas", com_argv[0], va("-register_types %i", elevated+1), NULL, SW_SHOWNORMAL);
		if ((intptr_t)ch <= 32)
			Sys_DoFileAssociations(2);
		return;
	}

	if (ok)
	{
//		char buf[1];
		//attempt to display the vista+ prompt (only way possible in win8, apparently)
		qIApplicationAssociationRegistrationUI *aarui = NULL;

		//needs to be done anyway to ensure that its listed, and so that we get the association if nothing else has it.
		//however, the popup for when you start new programs is very annoying, so lets try to avoid that. our file associations are somewhat explicit anyway.
		//note that you'll probably still get the clumsy prompt if you try to run fte as a different user. really depends if you gave it local machine write access.
//		if (!aarui || elevated==2 || !MyRegGetStringValue(root, "Software\\Classes\\.qtv", "", buf, sizeof(buf)))
			MyRegSetValue(root, "Software\\Classes\\.qtv", "", REG_SZ, DISTRIBUTION"_DemoFile."ASSOCV, strlen(DISTRIBUTION"_DemoFile.1"));
//		if (!aarui || elevated==2 || !MyRegGetStringValue(root, "Software\\Classes\\.mvd", "", buf, sizeof(buf)))
			MyRegSetValue(root, "Software\\Classes\\.mvd", "", REG_SZ, DISTRIBUTION"_DemoFile."ASSOCV, strlen(DISTRIBUTION"_DemoFile.1"));
//		if (!aarui || elevated==2 || !MyRegGetStringValue(root, "Software\\Classes\\.qwd", "", buf, sizeof(buf)))
			MyRegSetValue(root, "Software\\Classes\\.qwd", "", REG_SZ, DISTRIBUTION"_DemoFile."ASSOCV, strlen(DISTRIBUTION"_DemoFile.1"));
//		if (!aarui || elevated==2 || !MyRegGetStringValue(root, "Software\\Classes\\.dem", "", buf, sizeof(buf)))
			MyRegSetValue(root, "Software\\Classes\\.dem", "", REG_SZ, DISTRIBUTION"_DemoFile."ASSOCV, strlen(DISTRIBUTION"_DemoFile.1"));
//		if (!aarui || elevated==2 || !MyRegGetStringValue(root, "Software\\Classes\\.bsp", "", buf, sizeof(buf)))
			MyRegSetValue(root, "Software\\Classes\\.bsp", "", REG_SZ, DISTRIBUTION"_BSPFile."ASSOCV, strlen(DISTRIBUTION"_BSPFile.1"));
		//legacy url associations are a bit more explicit
//		if (!aarui || elevated==2 || !MyRegGetStringValue(HKEY_CURRENT_USER, "Software\\Classes\\qw", "", buf, sizeof(buf)))
		{
			Q_snprintfz(command, sizeof(command), "QuakeWorld Server");
			MyRegSetValue(root, "Software\\Classes\\qw", "", REG_SZ, command, strlen(command));
			MyRegSetValue(root, "Software\\Classes\\qw", "URL Protocol", REG_SZ, "", strlen(""));
			Q_snprintfz(command, sizeof(command), "\"%s\",0", com_argv[0]);
			MyRegSetValue(root, "Software\\Classes\\qw\\DefaultIcon", "", REG_SZ, command, strlen(command));
			Q_snprintfz(command, sizeof(command), "\"%s\" \"%%1\"", com_argv[0]);
			MyRegSetValue(root, "Software\\Classes\\qw\\shell\\open\\command", "", REG_SZ, command, strlen(command));
		}

		CoInitialize(NULL);
		if (FAILED(CoCreateInstance(&qCLSID_ApplicationAssociationRegistrationUI, 0, CLSCTX_INPROC_SERVER, &qIID_IApplicationAssociationRegistrationUI, (LPVOID*)&aarui)))
			aarui = NULL;

		if (aarui)
		{
#define wideify2(a) L##a
#define wideify(a) wideify2(a)
			aarui->lpVtbl->LaunchAdvancedAssociationUI(aarui, wideify(FULLENGINENAME));
			aarui->lpVtbl->Release(aarui);
		}
		else
		{

/*
#define wideify2(a) L##a
#define wideify(a) wideify2(a)
			qOPENASINFO open_as_info = {0};
			open_as_info.pcszFile = L".mvd";
			open_as_info.pcszClass = wideify(DISTRIBUTION)L"_DemoFile.1";
			open_as_info.oaifInFlags = 8 | 2;//OAIF_FORCE_REGISTRATION | OAIF_REGISTER_EXT;
			if (pSHOpenWithDialog)
				pSHOpenWithDialog(NULL, &open_as_info);
			SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
*/
		}
	}
}

/*
#ifdef _MSC_VER
#include <signal.h>
void VARGS Signal_Error_Handler(int i)
{
	int *basepointer;
	__asm {mov basepointer,ebp};
	Sys_Error("Received signal, offset was 0x%8x", basepointer[73]);
}
#endif
*/

extern char sys_language[64];

static int Sys_ProcessCommandline(char **argv, int maxargc, char *argv0)
{
	int argc = 0, i;
	wchar_t *wc = GetCommandLineW();
	unsigned char utf8cmdline[4096], *cl = utf8cmdline;
	narrowen(utf8cmdline, sizeof(utf8cmdline), wc);

//	argv[argc] = argv0;
//	argc++;

	while (*cl && (argc < maxargc))
	{
		while (*cl && *cl <= 32)
			cl++;

		if (*cl)
		{
			if (*cl == '\"')
			{
				cl++;

				argv[argc] = cl;
				argc++;

				while (*cl && *cl != '\"')
					cl++;
			}
			else
			{
				argv[argc] = cl;
				argc++;


				while (*cl && *cl > 32)
					cl++;
			}

			if (*cl)
			{
				*cl = 0;
				cl++;
			}
		}
	}
	if (argc < 1)
	{
		argv[0] = argv0;
		argc = 1;
	}
	for (i = 0; i < argc; i++)
		argv[i] = strdup(argv[i]);
	return i;
}

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
//    MSG				msg;
	quakeparms_t	parms;
	double			time, oldtime, newtime;
	char	cwd[1024], bindir[1024];
	const char *qtvfile = NULL;
	float delay = 0;
	char lang[32];
	char ctry[32];
	int c;

	/* previous instances do not exist in Win32 */
	if (hPrevInstance)
		return 0;

	/* determine if we're on nt early, so we don't do the wrong thing when checking commandlines */
	{
		OSVERSIONINFOA vinfo;
		vinfo.dwOSVersionInfoSize = sizeof(vinfo);
		if (GetVersionExA (&vinfo))
			WinNT = vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT;
	}

#if defined(_DEBUG) && defined(MULTITHREAD)
	Sys_SetThreadName(-1, "main thread");
#endif

	memset(&parms, 0, sizeof(parms));

	#ifndef MINGW
	#if _MSC_VER > 1200
		Win7_Init();
	#endif
	#endif

#ifdef _MSC_VER
#if _M_IX86_FP >= 1
	{
		int idedx;
		char cpuname[13];
		/*I'm not going to check to make sure cpuid works.*/
		__asm
		{
			xor eax, eax
			cpuid
			mov dword ptr [cpuname+0],ebx
			mov dword ptr [cpuname+4],edx
			mov dword ptr [cpuname+8],ecx
		}
		cpuname[12] = 0;
		__asm
		{
			mov eax, 0x1
			cpuid
			mov idedx, edx
		}
#if _M_IX86_FP >= 2
		if (!(idedx&(1<<26)))
			MessageBox(NULL, "This is an SSE2 optimised build, and your cpu doesn't seem to support it", DISTRIBUTION, 0);
		else
#endif
		     if (!(idedx&(1<<25)))
			MessageBox(NULL, "This is an SSE optimised build, and your cpu doesn't seem to support it", DISTRIBUTION, 0);
	}
#endif
#endif

#ifdef CATCHCRASH
#ifdef _MSC_VER
	__try
#else
	AddVectoredExceptionHandler(true, nonmsvc_CrashExceptionHandler);
#endif
#endif
	{
/*
#ifndef _DEBUG
#ifdef _MSC_VER
		signal (SIGFPE,	Signal_Error_Handler);
		signal (SIGILL,	Signal_Error_Handler);
		signal (SIGSEGV,	Signal_Error_Handler);
#endif
#endif
*/
		global_hInstance = hInstance;
		global_nCmdShow = nCmdShow;

#ifdef RESTARTTEST
		setjmp (restart_jmpbuf);
#endif

		if (WinNT)
		{
			wchar_t widebindir[1024];
			GetModuleFileNameW(NULL, widebindir, sizeof(widebindir)/sizeof(widebindir[0])-1);
			narrowen(bindir, sizeof(bindir)-1, widebindir);
		}
		else
			GetModuleFileNameA(NULL, bindir, sizeof(bindir)-1);
		parms.argc = Sys_ProcessCommandline(sys_argv, MAX_NUM_ARGVS, bindir);
		*COM_SkipPath(bindir) = 0;
		parms.argv = (const char **)sys_argv;

		host_parms.binarydir = bindir;
		COM_InitArgv (parms.argc, parms.argv);

		if (Sys_CheckUpdated())
			return true;

		c = COM_CheckParm("-plugin");
		if (c)
		{
			if (c < com_argc && !strcmp(com_argv[c+1], "qcdebug"))
				isPlugin = 2;
			else
				isPlugin = 1;
		}
		else
			isPlugin = 0;

		if (COM_CheckParm("-register_types"))
		{
			Sys_DoFileAssociations(1);
			return true;
		}
		/*
		else if (!isPlugin)
		{
			if (MyRegGetIntValue(HKEY_CURRENT_USER, "Software\\"FULLENGINENAME, "filetypes", -1) != ASSOC_VERSION)
			{
				DWORD dw = ASSOC_VERSION;
				if (IDYES == MessageBox(NULL, "Register file associations?", "FTE First Start", MB_YESNO))
					Sys_DoFileAssociations(0);
				MyRegSetValue(HKEY_CURRENT_USER, "Software\\"FULLENGINENAME, "filetypes", REG_DWORD, &dw, sizeof(dw)); 
			}
		}
		*/

#if defined(CATCHCRASH) && defined(MULTITHREAD)
		if (COM_CheckParm("-watchdog"))
			Sys_CreateThread("watchdog", watchdogthread, NULL, 0, 0); 
#endif

		if (isPlugin)
		{
			printf("status Starting up!\n");
			fflush(stdout);
		}

		if (COM_CheckParm("--version") || COM_CheckParm("-v"))
		{
			printf("version: %s\n", version_string());
			return true;
		}
		if (COM_CheckParm("-outputdebugstring"))
			debugout = true;

		if (WinNT)
		{
			wchar_t wcwd[MAX_OSPATH];
			if (!GetCurrentDirectoryW (sizeof(wcwd)/sizeof(wchar_t), wcwd))
				Sys_Error ("Couldn't determine current directory");
			narrowen(cwd, sizeof(cwd), wcwd);
		}
		else
		{
			if (!GetCurrentDirectoryA (sizeof(cwd), cwd))
				Sys_Error ("Couldn't determine current directory");
		}
		if (parms.argc >= 2)
		{
			if (*parms.argv[1] != '-' && *parms.argv[1] != '+')
			{
				char *e;

				if (parms.argc == 2 && !strchr(parms.argv[1], '\"') && !strchr(parms.argv[1], ';') && !strchr(parms.argv[1], '\n') && !strchr(parms.argv[1], '\r'))
				{
					HWND old;
					qtvfile = parms.argv[1];

					old = FindWindow("FTEGLQuake", NULL);
					if (!old)
						old = FindWindow("FTED3D11QUAKE", NULL);
					if (!old)
						old = FindWindow("FTED3D9QUAKE", NULL);
					if (old)
					{
						COPYDATASTRUCT cds;
						cds.dwData = 0xdeadf11eu;
						cds.cbData = strlen(qtvfile);
						cds.lpData = (void*)qtvfile;
						if (SendMessage(old, WM_COPYDATA, (WPARAM)GetDesktopWindow(), (LPARAM)&cds))
						{
							Sleep(10*1000);	//sleep for 10 secs so the real engine has a chance to open it, if the program that gave it is watching to see if we quit.
							return 0;	//message sent.
						}
					}
				}
				else
				{
					MessageBox(NULL, "Expected one argument, got multiple", "Blocking potential remote exploit", 0);
					return 0;
				}

				GetModuleFileName(NULL, cwd, sizeof(cwd)-1);
				for (e = cwd+strlen(cwd)-1; e >= cwd; e--)
				{
					if (*e == '/' || *e == '\\')
					{
						*e = 0;
						break;
					}
				}

			}
		}

		//98+/nt4+
		if (GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, lang, sizeof(lang)) > 0)
		{
			if (GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SISO3166CTRYNAME, ctry, sizeof(ctry)) > 0)
				Q_snprintfz(sys_language, sizeof(sys_language), "%s_%s", lang, ctry); 
			else
				Q_snprintfz(sys_language, sizeof(sys_language), "%s", lang); 
		}

		TL_InitLanguages();
		//tprints are now allowed

		parms.basedir = cwd;
		parms.binarydir = bindir;

		parms.argc = com_argc;
		parms.argv = com_argv;

#if !defined(CLIENTONLY) && !defined(SERVERONLY)
		if (COM_CheckParm ("-dedicated"))
			isDedicated = true;
	#ifdef SUBSERVERS
		if (COM_CheckParm("-clusterslave"))
			isDedicated = isClusterSlave = true;
	#endif
#endif

		if (isDedicated)
		{
#if !defined(CLIENTONLY)
			if (!Sys_InitTerminal())
				Sys_Error ("Couldn't allocate dedicated server console");
#endif
		}

		if (!Sys_Startup_CheckMem(&parms))
			Sys_Error ("Not enough memory free; check disk space\n");


#ifndef CLIENTONLY
		if (isDedicated)	//compleate denial to switch to anything else - many of the client structures are not initialized.
		{
			float delay;

			SV_Init (&parms);

			delay = SV_Frame()*1000;

			while (1)
			{
				if (!isDedicated)
					Sys_Error("Dedicated was cleared");
				NET_Sleep(delay, false);
				delay = SV_Frame()*1000;
			}
			return TRUE;
		}
#endif

		tevent = CreateEvent(NULL, FALSE, FALSE, NULL);
		if (!tevent)
			Sys_Error ("Couldn't create event");

#ifdef SERVERONLY
		Sys_Printf ("SV_Init\n");
		SV_Init(&parms);
#else
		Sys_Printf ("Host_Init\n");
		Host_Init (&parms);
#endif

		oldtime = Sys_DoubleTime ();

		if (qtvfile)
		{
			if (!Host_RunFile(qtvfile, strlen(qtvfile), NULL))
			{
				SetHookState(false);
				Host_Shutdown ();
				return TRUE;
			}
		}

	//client console should now be initialized.

		#ifndef MINGW
		#if _MSC_VER > 1200
		Win7_TaskListInit();
		#endif
		#endif

		if (isPlugin)
		{
			printf("status Running!\n");
			fflush(stdout);
		}

		Update_Check();

		/* main window message loop */
		while (1)
		{
#ifdef CATCHCRASH
			watchdogframe++;
#endif
			if (isDedicated)
			{
	#ifndef CLIENTONLY
				NET_Sleep(delay, false);

			// find time passed since last cycle
				newtime = Sys_DoubleTime ();
				time = newtime - oldtime;
				oldtime = newtime;

				delay = SV_Frame ();
	#else
				Sys_Error("wut?");
	#endif
			}
			else
			{
	#ifndef SERVERONLY
				double sleeptime;
				newtime = Sys_DoubleTime ();
				time = newtime - oldtime;
				sleeptime = Host_Frame (time);
				oldtime = newtime;

				SetHookState(ActiveApp);

				/*sleep if its not yet time for a frame*/
				if (sleeptime)
					Sys_Sleep(sleeptime);
	#else
				Sys_Error("wut?");
	#endif
			}
		}
	}
#ifdef CATCHCRASH
#ifdef _MSC_VER
	__except (CrashExceptionHandler(false, GetExceptionCode(), GetExceptionInformation()))
	{
		return 1;
	}
#endif
#endif

    /* return success of application */
    return TRUE;
}

int __cdecl main(void)
{
	char *cmdline;
	FreeConsole();
	cmdline = GetCommandLine();
	while (*cmdline && *cmdline == ' ')
		cmdline++;
	if (*cmdline == '\"')
	{
		cmdline++;
		while (*cmdline && *cmdline != '\"')
			cmdline++;
		if (*cmdline == '\"')
			cmdline++;
	}
	else
	{
		while (*cmdline && *cmdline != ' ')
			cmdline++;
	}
	return WinMain(GetModuleHandle(NULL), NULL, cmdline, SW_NORMAL);
}

qboolean Sys_GetDesktopParameters(int *width, int *height, int *bpp, int *refreshrate)
{
	HDC hdc;
	int rate;

	hdc = GetDC(NULL);

	*width = GetDeviceCaps(hdc, HORZRES);
	*height = GetDeviceCaps(hdc, VERTRES);
	*bpp = GetDeviceCaps(hdc, BITSPIXEL);
	rate = GetDeviceCaps(hdc, VREFRESH);

	if (rate == 1)
		rate = 0;

	*refreshrate = rate;

	ReleaseDC(NULL, hdc);

	return true;
}

void Sys_Sleep (double seconds)
{
	Sleep(seconds * 1000);
}
#endif