CWE-ou-minkata/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/Apps/plUruLauncher/Main.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, 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 3 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, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
/*****************************************************************************
*
*   $/Plasma20/Sources/Plasma/Apps/plUruLauncher/Main.cpp
*   
***/

#include "Pch.h"
#pragma hdrstop


#include "resource.h"
#include <commctrl.h>
#define WIN32_LEAN_AND_MEAN
#define WHITESPACE     L" \"\t\r\n\x1A"
#define UPDATE_STATUSMSG_SECONDS 30		// Must be an int

#if BUILD_TYPE == BUILD_TYPE_DEV
	#define STATUS_PATH L"www2.cyanworlds.com"
#else
	#define STATUS_PATH L"account.mystonline.com"
#endif


#if BUILD_TYPE == BUILD_TYPE_BETA
	static const char s_postKey[] = "";	//"betakey=6C5DC90EFD7AF8892D2A65CDE5DF46D55A2777EC3D196ED83F912B62185A74DD";
#else
	static const char s_postKey[] = "";
#endif


/*****************************************************************************
*
*   Private
*
***/

enum ELogSev {
	kLogInfo,
	kLogErr,
	kNumLogSev
};

enum {
    kEventTimer = 1,
};

enum EEventType {
	kEventSetProgress,
	kEventSetText,
	kEventSetStatusText,
	kEventSetTimeRemaining,
	kEventSetBytesRemaining,
};

// base window event
struct WndEvent {
	LINK(WndEvent)  link;
	EEventType type;
};

struct SetProgressEvent : WndEvent {
	int progress;
};

struct SetTextEvent : WndEvent {
	char text[MAX_PATH];
};

struct SetStatusTextEvent : WndEvent {
	char text[MAX_PATH];
};

struct SetTimeRemainingEvent : WndEvent {
	unsigned seconds;
};

struct SetBytesRemainingEvent : WndEvent {
	unsigned bytes;
};


//============================================================================
// TRANSGAMING detection & dialog replacement
//============================================================================
typedef BOOL (WINAPI *IsTransgaming) (void);
typedef const char * (WINAPI *TGGetOS) (void);
typedef LPVOID (WINAPI *TGLaunchUNIXApp) (const char *pPath, const char *pMode);
typedef BOOL (WINAPI *TGUNIXAppReadLine) (LPVOID pApp, char *pBuf, int bufSize);
typedef BOOL (WINAPI *TGUNIXAppWriteLine) (LPVOID pApp, const char *pLine);
typedef BOOL (WINAPI *TGUNIXAppClose) (LPVOID pApp);

static bool TGIsCider = false;
static void *pTGApp = NULL;
static TGLaunchUNIXApp pTGLaunchUNIXApp;
static TGUNIXAppReadLine pTGUNIXAppReadLine;
static TGUNIXAppWriteLine pTGUNIXAppWriteLine;
static TGUNIXAppClose pTGUNIXAppClose;

#define TG_NEW_DIALOG_PATH "C:\\Program Files\\Uru Live\\Cider\\URU Live Updater.app"
#define TG_NEW_DIALOG_POPEN_PATH "/transgaming/c_drive/Program Files/Uru Live/Cider/URU Live Updater.app/Contents/MacOS/URU Live Updater"
#define TG_OLD_DIALOG_POPEN_PATH "/URU Live Updater.app/Contents/MacOS/URU Live Updater"
#define TG_CUR_FRAMEWORK_FILE "C:\\Program Files\\Uru Live\\Cider\\current.txt"
#define TG_LATEST_FRAMEWORK_FILE "C:\\Program Files\\Uru Live\\Cider\\Frameworks\\version.txt"


/*****************************************************************************
*
*   Private data
*
***/

static bool						s_shutdown;
static bool						s_prepared;
static int						s_retCode = 1;
static long						s_terminationIssued;
static bool						s_terminated; 
static plLauncherInfo			s_launcherInfo;
static HANDLE					s_thread;
static HANDLE					s_event;
static HINSTANCE				s_hInstance;
static HWND						s_dialog;
static CEvent					s_dialogCreateEvent(kEventManualReset);
static CCritSect				s_critsect;
static LISTDECL(WndEvent, link) s_eventQ;
static CEvent					s_shutdownEvent(kEventManualReset);
static wchar					s_workingDir[MAX_PATH];
static CEvent					s_statusEvent(kEventManualReset);


// List of files we need to delete from the client directory
#ifdef PLASMA_EXTERNAL_RELEASE

static const wchar * s_deleteFiles[] = {
	L"NetDiag.exe",
	L"UruExplorer.pdb",
	L"UruExplorer.map",
};

#else

static const wchar * s_deleteFiles[] = {
	L"NetDiag.exe",
};

#endif


/*****************************************************************************
*
*   Local functions
*
***/

// Detect whether we're running under TRANSGAMING Cider
//==============================================================================
static void TGDoCiderDetection () {

	HMODULE hMod = GetModuleHandle ("ntdll");
	if (!hMod)
		return;

	IsTransgaming pIsTg = (IsTransgaming)GetProcAddress (hMod, "IsTransgaming");
	if (!pIsTg || !pIsTg ())
		return;

	TGGetOS pTGOS = (TGGetOS)GetProcAddress (hMod, "TGGetOS");
	const char *pOS = NULL;
	if (pTGOS)
		pOS = pTGOS ();
	if (!pOS || strcmp (pOS, "MacOSX"))
		return;

	TGIsCider = true;
	pTGLaunchUNIXApp = (TGLaunchUNIXApp)GetProcAddress (hMod, "TGLaunchUNIXApp");
	pTGUNIXAppReadLine = (TGUNIXAppReadLine)GetProcAddress (hMod, "TGUNIXAppReadLine");
	pTGUNIXAppWriteLine = (TGUNIXAppWriteLine)GetProcAddress (hMod, "TGUNIXAppWriteLine");
	pTGUNIXAppClose = (TGUNIXAppClose)GetProcAddress (hMod, "TGUNIXAppClose");
}

//============================================================================
static void Abort () {
	s_retCode = 0;
	s_shutdown = true;
}

//============================================================================
static void PostEvent (WndEvent *event) {
	s_critsect.Enter();
	s_eventQ.Link(event);
	s_critsect.Leave();
}

//============================================================================
static void LogV (ELogSev sev, const wchar fmt[], va_list args) {
	static struct { FILE * file; const wchar * pre; } s_log[] = {
		{ stdout, L"Inf" },
		{ stderr, L"Err" },
	};
	COMPILER_ASSERT(arrsize(s_log) == kNumLogSev);
	
	fwprintf (s_log[sev].file, L"%s: ", s_log[sev].pre);
	vfwprintf(s_log[sev].file, fmt, args);
	fwprintf (s_log[sev].file, L"\n");

	if (sev >= kLogErr)
		Abort();
}

//============================================================================
static void Log (ELogSev sev, const wchar fmt[], ...) {
	va_list args;
	va_start(args, fmt);
	LogV(sev, fmt, args);
	va_end(args);
}

//============================================================================
// NOTE: Must use LocalFree() on the return value of this function when finished with the string
static wchar *TranslateErrorCode(DWORD errorCode) {
	LPVOID lpMsgBuf;
					
	FormatMessageW(
		FORMAT_MESSAGE_ALLOCATE_BUFFER | 
		FORMAT_MESSAGE_FROM_SYSTEM,
		NULL,
		errorCode,
		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
		(wchar *) &lpMsgBuf,
		0, 
		NULL 
	);
	return (wchar *)lpMsgBuf;
}

//============================================================================
static BOOL WINAPI CtrlHandler (DWORD) {
	static unsigned s_ctrlCount;
	if (++s_ctrlCount == 3)
		_exit(1);	// exit process immediately upon 3rd Ctrl-C.
	Abort();
    return TRUE;
}

//============================================================================
static void PrepareGame () {
	SetText("Connecting to server...");
	(void)_beginthread(UruPrepProc, 0, (void *) &s_launcherInfo); 
}

//============================================================================
static void InitGame () {
	s_launcherInfo.initCallback(kStatusOk, nil);
}

//============================================================================
static void StartGame () {
	(void)_beginthread(UruStartProc, 0, (void *) &s_launcherInfo);
}

//============================================================================
static void StopGame () {
	(void)_beginthread(PlayerStopProc, 0, (void *) &s_launcherInfo);
}

//============================================================================
static void TerminateGame () {
	if (!AtomicSet(&s_terminationIssued, 1))
	_beginthread(PlayerTerminateProc, 0, (void *) &s_launcherInfo);
}

//============================================================================
static void Recv_SetProgress (HWND hwnd, const SetProgressEvent &event) {  
	SendMessage(GetDlgItem(s_dialog, IDC_PROGRESS), PBM_SETPOS, event.progress, NULL);

	if (pTGApp)
	{
		char buf[64];

		sprintf (buf, "bar:%d", event.progress);
		if (!pTGUNIXAppWriteLine (pTGApp, buf))
		{
			pTGUNIXAppClose (pTGApp);
			pTGApp = NULL;
			PostQuitMessage (0);
		}
	}
}

//============================================================================
static void Recv_SetText (HWND hwnd, const SetTextEvent &event) { 
	bool b = SendMessage(GetDlgItem(s_dialog, IDC_TEXT), WM_SETTEXT, 0, (LPARAM) event.text);

	if (pTGApp)
	{
		char buf[MAX_PATH + 5];

		sprintf (buf, "text:%s", event.text);
		if (!pTGUNIXAppWriteLine (pTGApp, buf))
		{
			pTGUNIXAppClose (pTGApp);
			pTGApp = NULL;
			PostQuitMessage (0);
		}
	}
}

//============================================================================
static void Recv_SetStatusText (HWND hwnd, const SetStatusTextEvent &event) {
	bool b = SendMessage(GetDlgItem(s_dialog, IDC_STATUS_TEXT), WM_SETTEXT, 0, (LPARAM) event.text);
}

//============================================================================
static void Recv_SetTimeRemaining (HWND hwnd, const SetTimeRemainingEvent &event) {
	unsigned days;
	unsigned hours;
	unsigned minutes;
	unsigned seconds;
	
	if(event.seconds == 0xffffffff)
	{
		SendMessage(GetDlgItem(s_dialog, IDC_TIMEREMAINING), WM_SETTEXT, 0, (LPARAM) "estimating...");
		return;
	}

	seconds = event.seconds;

	days = seconds / (60 * 60 * 24);
	seconds -= (days * 60 * 60 * 24);
	hours = seconds / (60 * 60);
	seconds -= hours * 60 * 60;
	minutes = seconds / 60;
	seconds -= minutes * 60;
	seconds = seconds;

	char text[64] = {0};
	if(days)
	{
		if(days > 1)
			StrPrintf(text, arrsize(text), "%d days ", days);
		else
			StrPrintf(text, arrsize(text), "%d day ", days);
	}
	if(hours)
	{
		if(hours > 1)
			StrPrintf(text, arrsize(text), "%s%d hours ", text, hours);
		else
			StrPrintf(text, arrsize(text), "%s%d hour ", text, hours);
	}
	if(minutes)
		StrPrintf(text, arrsize(text), "%s%d min ", text, minutes);
	if( seconds || !text[0])
		StrPrintf(text, arrsize(text), "%s%d sec", text, seconds);
	bool b = SendMessage(GetDlgItem(s_dialog, IDC_TIMEREMAINING), WM_SETTEXT, 0, (LPARAM) text);
}

//============================================================================
static void Recv_SetBytesRemaining (HWND hwnd, const SetBytesRemainingEvent &event) {
	char text[32];
	unsigned MB;
	unsigned decimal;
	unsigned bytes = event.bytes;

	unsigned GB = bytes / 1000000000;
	if(GB)
	{
		bytes -= GB * 1000000000;
		decimal = bytes / 100000000;	// to two decimal places
		StrPrintf(text, arrsize(text), "%d.%d GB", GB, decimal);
	}
	else
	{
		MB = bytes / 1000000;
		bytes -= MB * 1000000;
		decimal = bytes / 100000;	// to one decimal place
		StrPrintf(text, arrsize(text), "%d.%d MB", MB, decimal);
	}
	bool b = SendMessage(GetDlgItem(s_dialog, IDC_BYTESREMAINING), WM_SETTEXT, 0, (LPARAM) text);
}

//============================================================================
static void DispatchEvents (HWND hwnd) {
	LISTDECL(WndEvent, link) eventQ;

	s_critsect.Enter();
    { 
		eventQ.Link(&s_eventQ);
    }
	s_critsect.Leave();

#define DISPATCH(a) case kEvent##a: Recv_##a(hwnd, *(const a##Event *) event); break
	while (WndEvent *event = eventQ.Head()) { 
		switch (event->type) {
			DISPATCH(SetProgress);
			DISPATCH(SetText);
			DISPATCH(SetStatusText);
			DISPATCH(SetTimeRemaining);
			DISPATCH(SetBytesRemaining);
            DEFAULT_FATAL(event->type);
		}
		DEL(event);  // unlinks from list 
	}
#undef DISPATCH
}

//============================================================================
static void OnTimer(HWND hwnd, unsigned int timerId) {
	if(s_shutdown) return;
	switch (timerId) {
        case kEventTimer:
            DispatchEvents(hwnd);
        break;

        DEFAULT_FATAL(timerId);
	}
}

//===========================================================================
static void MessagePump (HWND hwnd) {
	for (;;) {
        // wait for a message or the shutdown event
        const DWORD result = MsgWaitForMultipleObjects(
            1,
            &s_event,
            false,
            INFINITE,
            QS_ALLEVENTS
        );
        if (result == WAIT_OBJECT_0)
            return;

		// process windows messages
		MSG msg;
		
		while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE)) {
			if (!IsDialogMessage(s_dialog, &msg)) {
				TranslateMessage(&msg);
				DispatchMessage(&msg);
			}
			if (msg.message == WM_QUIT) {
				return;
			}
		}
	}
}

//============================================================================
BOOL CALLBACK SplashDialogProc( HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
	switch( uMsg )
	{
		case WM_INITDIALOG: 
		{
			PostMessage( GetDlgItem(hwndDlg, IDC_PROGRESS), PBM_SETRANGE, 0, MAKELPARAM(0, 1000)); 
		}
        break;  

		case WM_COMMAND:
			if(HIWORD(wParam) == BN_CLICKED && LOWORD(wParam) == IDCANCEL) {
				// we dont shutdown the window here, but instead let the patcher know it needs to shutdown, and display our shutting down message. 
				// setting s_shutdown also wont allow any more Set text messages.
				if(!s_shutdown)
				{
					s_shutdown = true;
					SendMessage(GetDlgItem(s_dialog, IDC_TEXT), WM_SETTEXT, 0, (LPARAM) "Shutting Down...");
					EnableWindow(GetDlgItem(s_dialog, IDCANCEL), false);
				}
			}
		break;

		case WM_KEYDOWN:
			break;

		case WM_NCHITTEST:
			SetWindowLongPtr(hwndDlg, DWL_MSGRESULT, (LONG_PTR)HTCAPTION);
		return TRUE;

		case WM_TIMER:
			OnTimer(hwndDlg, wParam);
		break;

		case WM_QUIT:
			::DestroyWindow(hwndDlg);
		break;

		case WM_DESTROY:
			PostQuitMessage(0);
		break;

		default:
			return DefWindowProc(hwndDlg, uMsg, wParam, lParam);
	}
	return TRUE;
}

//============================================================================
static void WindowThreadProc(void *) {

	InitCommonControls();
    s_event = CreateEvent(
        (LPSECURITY_ATTRIBUTES) 0,
        false,          // auto reset
        false,          // initial state off
        (LPCTSTR) 0     // name
    );

	if (TGIsCider)
	{
		if (GetFileAttributes (TG_NEW_DIALOG_PATH) != INVALID_FILE_ATTRIBUTES)
			pTGApp = pTGLaunchUNIXApp (TG_NEW_DIALOG_POPEN_PATH, "w");
		else
			pTGApp = pTGLaunchUNIXApp (TG_OLD_DIALOG_POPEN_PATH, "w");
	}

	s_dialog = ::CreateDialog( s_hInstance, MAKEINTRESOURCE( IDD_DIALOG ), NULL, SplashDialogProc );
	SetWindowText(s_dialog, "URU Launcher");


	::SetDlgItemText( s_dialog, IDC_TEXT, "Initializing patcher...");
	SetTimer(s_dialog, kEventTimer, 250, 0);
	
	char productString[256];
	wchar productStringW[256];
	ProductString(productStringW, arrsize(productStringW));
	StrToAnsi(productString, productStringW, arrsize(productString));
	SendMessage(GetDlgItem(s_dialog, IDC_PRODUCTSTRING), WM_SETTEXT, 0, (LPARAM) productString);
	
	s_dialogCreateEvent.Signal();

	MessagePump(s_dialog);

	if (pTGApp)
	{
		pTGUNIXAppWriteLine (pTGApp, "done");
		pTGUNIXAppClose (pTGApp);
		pTGApp = NULL;
	}

	s_dialog = 0;
	s_shutdown = true;
	s_shutdownEvent.Signal();
}

//============================================================================
static bool TGCheckForFrameworkUpdate ()
{
    // If current.txt doesn't exist, then this is the first time we've been
    // run. Copy version.txt to current.txt and continue starting up
    if (GetFileAttributes (TG_CUR_FRAMEWORK_FILE) == INVALID_FILE_ATTRIBUTES)
    {
		CopyFile (TG_LATEST_FRAMEWORK_FILE, TG_CUR_FRAMEWORK_FILE, FALSE);
		return false;
    }

    // If it does exist, then compare its contents to the contents of the latest version
    // If they match, continue starting up
    FILE *CurFile, *LatestFile;
    CurFile = fopen (TG_CUR_FRAMEWORK_FILE, "rt");
    LatestFile = fopen (TG_LATEST_FRAMEWORK_FILE, "rt");

    char CurVer[64], LatestVer[64];
    CurVer[0] = '\0';
    LatestVer[0] = '\0';
    if (CurFile)
    {
		fgets (CurVer, sizeof (CurVer), CurFile);
		fclose (CurFile);
    }
    if (LatestFile)
    {
		fgets (LatestVer, sizeof (LatestVer), LatestFile);
		fclose (LatestFile);
    }

    if (strcmp (CurVer, LatestVer) == 0)
    return false;

    // Contents don't match. Copy the latest to the current, put up a message box
    // informing the user to restart the game, and exit
    CopyFile (TG_LATEST_FRAMEWORK_FILE, TG_CUR_FRAMEWORK_FILE, FALSE);
    MessageBox (nil, "Game framework requires updating. Please restart URU",
    "URU Launcher", MB_ICONINFORMATION);
    return true;
}

//============================================================================
static void HttpRequestPost(HINTERNET hConnect)
{
	const wchar *path = BuildTypeServerStatusPath();  
	HINTERNET hRequest = 0;
	char data[256] = {0};
	DWORD bytesRead;

	hRequest = WinHttpOpenRequest(
		hConnect, 
		L"POST",
		path,
		NULL, 
		WINHTTP_NO_REFERER, 
		WINHTTP_DEFAULT_ACCEPT_TYPES,
		0
	);
	if(hRequest)
	{	
		BOOL b = WinHttpSendRequest(
			hRequest, 
			L"Content-Type: application/x-www-form-urlencoded\r\n",
			0, 
			(void *)s_postKey, 
			sizeof(s_postKey),
			sizeof(s_postKey), 
			0
		);
		DWORD err = GetLastError();
		WinHttpReceiveResponse(hRequest, 0);
		WinHttpReadData(hRequest, data, arrsize(data)-1, &bytesRead);
		data[bytesRead] = 0;
	}
	if(bytesRead)
		SetStatusText(data);
	WinHttpCloseHandle(hRequest);
}

//============================================================================
static void HttpRequestGet(HINTERNET hConnect)
{
	const wchar *path = BuildTypeServerStatusPath(); 
	HINTERNET hRequest = 0;
	char data[256] = {0};
	DWORD bytesRead = 0;
	
	hRequest = WinHttpOpenRequest(
		hConnect, 
		L"GET",
		path,
		NULL, 
		WINHTTP_NO_REFERER, 
		WINHTTP_DEFAULT_ACCEPT_TYPES,
		0
	);
	if(hRequest)
	{
		BOOL b = WinHttpSendRequest(
			hRequest, 
			WINHTTP_NO_ADDITIONAL_HEADERS,
			0, 
			WINHTTP_NO_REQUEST_DATA, 
			0,
			0, 
			0
		);
		if(b)
		{
			DWORD err = GetLastError();
			if (WinHttpReceiveResponse(hRequest, 0)
				&& WinHttpReadData(hRequest, data, arrsize(data) - 1, &bytesRead))
			{
				data[bytesRead] = 0;
			}
		}
	}
	if(bytesRead)
		SetStatusText(data);
	WinHttpCloseHandle(hRequest);
}

//============================================================================
static void StatusCallback(void *)
{
	HINTERNET hSession = 0;
	HINTERNET hConnect = 0;

	// update while we are running
	while(!s_shutdown)
	{
		if(BuildTypeServerStatusPath())
		{
			hSession = WinHttpOpen(
				L"UruClient/1.0",
				WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
				WINHTTP_NO_PROXY_NAME,
				WINHTTP_NO_PROXY_BYPASS, 
				0
			);

			if(hSession)
			{
				hConnect = WinHttpConnect( 
					hSession, 
					STATUS_PATH, 
					INTERNET_DEFAULT_HTTP_PORT,
					0
				);
				if(hConnect)
				{
					if(StrLen(s_postKey))
						HttpRequestPost(hConnect);
					else
						HttpRequestGet(hConnect);
				}
			}
			
			WinHttpCloseHandle(hConnect);
			WinHttpCloseHandle(hSession);
		}

		for(unsigned i = 0; i < UPDATE_STATUSMSG_SECONDS && !s_shutdown; ++i)
		{
			Sleep(1000);
		}
	}

	s_statusEvent.Signal();
}


/*****************************************************************************
*
*   Exports
*
***/

//============================================================================
void PrepCallback (int id, void *param) {
	s_prepared = true;
	if (id)
		s_shutdown = true;
	else if (TGIsCider && TGCheckForFrameworkUpdate ())
		  s_shutdown = true;

	if (!s_shutdown)
		InitGame();
}

//============================================================================
void InitCallback (int id, void *param) {
	if (id)
		s_shutdown = true;
	if (!s_shutdown)
		StartGame();
}

//=============================================================================
void StartCallback( int id, void *param) {
	if(id == kStatusError) {
		MessageBox(nil, "Failed to launch URU", "URU Launcher", MB_ICONERROR);
	}
	StopGame();
}

//============================================================================
void StopCallback (int id, void *param) { 
	s_shutdown = true;
	TerminateGame();
}

//============================================================================
void TerminateCallback (int id, void *param) {
	s_shutdown = true;
	s_terminated = true;
}

//============================================================================
void ExitCallback (int id, void *param) {
	TerminateGame();
}

//============================================================================
void ProgressCallback (int id, void *param) {
	PatchInfo *patchInfo = (PatchInfo *)param;
	SetProgress(patchInfo->progress);
}

//============================================================================
void SetTextCallback (const char text[]) {
	SetText(text);
}

//============================================================================
void SetStatusTextCallback (const char text[]) {
	SetStatusText(text);
}

//============================================================================
void SetTimeRemainingCallback (unsigned seconds) {
	SetTimeRemaining(seconds);
}

//============================================================================
void SetBytesRemainingCallback (unsigned bytes) {
	SetBytesRemaining(bytes);
}


enum {
	kArgAuthSrv,
	kArgFileSrv,
	kArgGateKeeperSrv,
	kArgNoSelfPatch,
	kArgBuildId,
	kArgCwd,
};

static const CmdArgDef s_cmdLineArgs[] = {
	{ kCmdArgFlagged | kCmdTypeString,		L"AuthSrv",			kArgAuthSrv			},
	{ kCmdArgFlagged | kCmdTypeString,		L"FileSrv",			kArgFileSrv			},
	{ kCmdArgFlagged | kCmdTypeString,		L"GateKeeperSrv",	kArgGateKeeperSrv	},
	{ kCmdArgFlagged | kCmdTypeBool,		L"NoSelfPatch",		kArgNoSelfPatch		},
	{ kCmdArgFlagged | kCmdTypeInt,			L"BuildId",			kArgBuildId			},
	{ kCmdArgFlagged | kCmdTypeBool,		L"Cwd",				kArgCwd				},
};

//============================================================================
int __stdcall WinMain (      
    HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPSTR lpCmdLine,
    int nCmdShow
){ 
	wchar token[256];
	const wchar *appCmdLine = AppGetCommandLine();
    StrTokenize(&appCmdLine, token, arrsize(token), WHITESPACE);
	while(!StrStr(token, L".exe") && !StrStr(token, L".tmp"))	
	{
		StrTokenize(&appCmdLine, token, arrsize(token), WHITESPACE);
	} 
    while (*appCmdLine == L' ')
		++appCmdLine;

	wchar curPatcherFile[MAX_PATH];
	wchar newPatcherFile[MAX_PATH];
	bool isTempPatcher = false;

	PathGetProgramName(curPatcherFile, arrsize(curPatcherFile));
	PathRemoveFilename(newPatcherFile, curPatcherFile, arrsize(newPatcherFile));
	PathAddFilename(newPatcherFile, newPatcherFile, kPatcherExeFilename, arrsize(newPatcherFile));

	// If our exe name doesn't match the "real" patcher exe name, then we are a newly
	// downloaded patcher that needs to be copied over to the "real" exe.. so do that,
	// exec it, and exit.
	if (0 != StrCmpI(curPatcherFile, newPatcherFile)) {
		isTempPatcher = true;
	}

	CCmdParser cmdParser(s_cmdLineArgs, arrsize(s_cmdLineArgs));
	cmdParser.Parse();
	
	if (!cmdParser.IsSpecified(kArgCwd))
		PathGetProgramDirectory(s_workingDir, arrsize(s_workingDir));

	TGDoCiderDetection ();

	s_hInstance = hInstance;
	ZERO(s_launcherInfo);
	StrPrintf(s_launcherInfo.cmdLine, arrsize(s_launcherInfo.cmdLine), appCmdLine);
	s_launcherInfo.returnCode = 0;

	if(!isTempPatcher)
	{
		// create window thread
		s_thread = (HANDLE)_beginthread(
			WindowThreadProc,
			0,
			nil 
		);
		if (cmdParser.IsSpecified(kArgAuthSrv))
			SetAuthSrvHostname(cmdParser.GetString(kArgAuthSrv));
		if (cmdParser.IsSpecified(kArgFileSrv))
			SetFileSrvHostname(cmdParser.GetString(kArgFileSrv));
		if (cmdParser.IsSpecified(kArgGateKeeperSrv))
			SetGateKeeperSrvHostname(cmdParser.GetString(kArgGateKeeperSrv));
		if(cmdParser.IsSpecified(kArgBuildId))
			s_launcherInfo.buildId = cmdParser.GetInt(kArgBuildId);

		// Wait for the dialog to be created
		s_dialogCreateEvent.Wait(kEventWaitForever);
		_beginthread(StatusCallback, 0, nil);		// get status
	}

	for (;;) {
		// Wait for previous process to exit. This will happen if we just patched.
		HANDLE mutex = CreateMutexW(NULL, TRUE, kPatcherExeFilename);
		DWORD wait = WaitForSingleObject(mutex, 0);
		while(!s_shutdown && wait != WAIT_OBJECT_0)
			wait = WaitForSingleObject(mutex, 100);

		// User canceled			
		if (s_shutdown)
			break;

		// If our exe name doesn't match the "real" patcher exe name, then we are a newly
		// downloaded patcher that needs to be copied over to the "real" exe.. so do that,
		// exec it, and exit.
		if (isTempPatcher) {
//			MessageBox(nil, "Replacing patcher file", "Msg", MB_OK);
		
			// Wait for the other process to exit
			Sleep(1000);
			
			if (!PathDeleteFile(newPatcherFile)) {
				wchar error[256];
				DWORD errorCode = GetLastError();
				wchar *msg = TranslateErrorCode(errorCode);
				
				StrPrintf(error, arrsize(error), L"Failed to delete old patcher executable. %s", msg);
				MessageBoxW(GetTopWindow(nil), error, L"Error", MB_OK);
				LocalFree(msg);
				break;
			}
			if (!PathMoveFile(curPatcherFile, newPatcherFile)) {
				wchar error[256];
				DWORD errorCode = GetLastError();
				wchar *msg = TranslateErrorCode(errorCode);

				StrPrintf(error, arrsize(error), L"Failed to replace old patcher executable. %s", msg);
				MessageBoxW(GetTopWindow(nil), error, L"Error", MB_OK);
				// attempt to clean up this tmp file
				PathDeleteFile(curPatcherFile);
				LocalFree(msg);
				break;
			}

			// launch new patcher
			STARTUPINFOW        si;
			PROCESS_INFORMATION pi;
			ZERO(si);
			ZERO(pi);
			si.cb = sizeof(si);

			wchar cmdline[MAX_PATH];
			StrPrintf(cmdline, arrsize(cmdline), L"%s %s", newPatcherFile, s_launcherInfo.cmdLine);
			
			// we have only successfully patched if we actually launch the new version of the patcher
			(void)CreateProcessW( 
				NULL,
				cmdline,
				NULL,
				NULL,
				FALSE,
				DETACHED_PROCESS,
				NULL,
				NULL,
				&si,
				&pi
			);
			
			SetReturnCode( pi.dwProcessId );
			CloseHandle( pi.hThread );
			CloseHandle( pi.hProcess );
			
			// We're done.
			break;
		}

		// Clean up old temp files
		ARRAY(PathFind) paths;
		wchar fileSpec[MAX_PATH];
		PathGetProgramDirectory(fileSpec, arrsize(fileSpec));
		PathAddFilename(fileSpec, fileSpec, L"*.tmp", arrsize(fileSpec));
		PathFindFiles(&paths, fileSpec, kPathFlagFile);
		for (PathFind * path = paths.Ptr(); path != paths.Term(); ++path)
			PathDeleteFile(path->name);

		// Delete specified files
		for (unsigned i = 0; i < arrsize(s_deleteFiles); ++i) {
			StrCopy(fileSpec, s_workingDir, arrsize(fileSpec));
			PathAddFilename(fileSpec, fileSpec, s_deleteFiles[i], arrsize(fileSpec));
			PathDeleteFile(fileSpec);
		}
		

		SetConsoleCtrlHandler(CtrlHandler, TRUE);
		InitAsyncCore();	// must do this before self patch, since it needs to connect to the file server
	
		// check to see if the patcher needs to be updated, and do it if so.
		ENetError selfPatchResult;
		if (false == (SelfPatch(cmdParser.IsSpecified(kArgNoSelfPatch), &s_shutdown, &selfPatchResult, &s_launcherInfo)) && IS_NET_SUCCESS(selfPatchResult)) {
			// We didn't self-patch, so check for client updates and download them, then exec the client
			StrCopy(s_launcherInfo.path, s_workingDir, arrsize(s_launcherInfo.path));
			s_launcherInfo.prepCallback			= PrepCallback;
			s_launcherInfo.initCallback			= InitCallback;
			s_launcherInfo.startCallback		= StartCallback;
			s_launcherInfo.stopCallback			= StopCallback;
			s_launcherInfo.terminateCallback	= TerminateCallback;
			s_launcherInfo.progressCallback		= ProgressCallback;
			s_launcherInfo.exitCallback			= ExitCallback;
			s_launcherInfo.SetText				= SetTextCallback;
			s_launcherInfo.SetStatusText		= SetStatusTextCallback;
			s_launcherInfo.SetTimeRemaining     = SetTimeRemainingCallback;
			s_launcherInfo.SetBytesRemaining    = SetBytesRemainingCallback;
			s_launcherInfo.IsTGCider            = TGIsCider;
			PrepareGame();

			while (!s_shutdown)		// wait for window to be closed
				AsyncSleep(10);

			StopGame();
			
			// Wait for the PrepareGame thread to exit		
			while (!s_prepared)
				AsyncSleep(10);
			
			// Wait for the StopGame thread to exit		
			while (!s_terminated)
				Sleep(10);
		}
		else if (IS_NET_ERROR(selfPatchResult)) {
			// Self-patch failed
			SetText("Self-patch failed. Exiting...");
			if (!s_shutdown) { 
				wchar str[256];
				StrPrintf(str, arrsize(str), L"Patcher update failed. Error %u, %s", selfPatchResult, NetErrorToString(selfPatchResult));
				MessageBoxW(GetTopWindow(nil), str, L"Error", MB_OK);
			}
		}
		else {
			// We self-patched, so just exit (self-patcher already launched the new patcher.
			// it is now waiting for our process to shutdown and release the shared mutex).
			SetText("Patcher updated. Restarting...");
			s_shutdown = true;
		}
		
		ShutdownAsyncCore();
		s_statusEvent.Wait(kEventWaitForever);
	
		PostMessage(s_dialog, WM_QUIT, 0, 0);		// tell our window to shutdown
		s_shutdownEvent.Wait(kEventWaitForever);	// wait for our window to shutdown
	
		SetConsoleCtrlHandler(CtrlHandler, FALSE);

		if (s_event)
			CloseHandle(s_event);

		s_eventQ.Clear();
		break;
	}

	if (pTGApp)
	{
		pTGUNIXAppWriteLine (pTGApp, "done");
		pTGUNIXAppClose (pTGApp);
		pTGApp = NULL;
	}

    return s_launcherInfo.returnCode;
}

//============================================================================
void SetReturnCode (DWORD retCode) {
	s_launcherInfo.returnCode = retCode;
}


/*****************************************************************************
*
*   Window Events
*
***/

//============================================================================
void SetProgress (unsigned progress) {
	SetProgressEvent *event = NEW(SetProgressEvent);
	event->type = kEventSetProgress;
	event->progress = progress;
	PostEvent(event);
}

//============================================================================
void SetText (const char text[]) {
	SetTextEvent *event = NEW(SetTextEvent);
	event->type = kEventSetText;
	StrCopy(event->text, text, arrsize(event->text));
	PostEvent(event);
}

//============================================================================
void SetStatusText (const char text[]) {
	SetTextEvent *event = NEW(SetTextEvent);
	event->type = kEventSetStatusText;
	StrCopy(event->text, text, arrsize(event->text));
	PostEvent(event);
}

//============================================================================
void SetTimeRemaining (unsigned seconds) {
	SetTimeRemainingEvent *event = new SetTimeRemainingEvent;
	event->type = kEventSetTimeRemaining;
	event->seconds = seconds;
	PostEvent(event);
}

//============================================================================
void SetBytesRemaining (unsigned bytes) {
	SetBytesRemainingEvent *event = new SetBytesRemainingEvent;
	event->type = kEventSetBytesRemaining;
	event->bytes = bytes;
	PostEvent(event);
}