// War3Map ExtractorDlg.cpp : implementation file
//

#include "stdafx.h"
#include "War3Map Extractor.h"
#include "War3Map ExtractorDlg.h"
#include "Storm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

CString MpqName;
char* MapName;

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWar3MapExtractorDlg dialog

CWar3MapExtractorDlg::CWar3MapExtractorDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWar3MapExtractorDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWar3MapExtractorDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CWar3MapExtractorDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWar3MapExtractorDlg)
	DDX_Control(pDX, IDC_EDIT1, m_edit);
	DDX_Control(pDX, IDC_MapName, m_Map);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWar3MapExtractorDlg, CDialog)
	//{{AFX_MSG_MAP(CWar3MapExtractorDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_Exit, OnExit)
	ON_BN_CLICKED(IDC_Open, OnOpen)
	ON_BN_CLICKED(IDC_Extract, OnExtract)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWar3MapExtractorDlg message handlers

BOOL CWar3MapExtractorDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CWar3MapExtractorDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CWar3MapExtractorDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

BOOL SFileExtractFile(HANDLE hMpq, const char * szToExtract, const char * szExtracted)
{
    HANDLE hLocalFile = INVALID_HANDLE_VALUE;
    HANDLE hMpqFile = NULL;
    int nError = ERROR_SUCCESS;

    // Create the local file
    if(nError == ERROR_SUCCESS)
    {
        hLocalFile = CreateFile(szExtracted, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, 0, NULL);
        if(hLocalFile == INVALID_HANDLE_VALUE)
            nError = GetLastError();
    }

    // Open the MPQ file
    if(nError == ERROR_SUCCESS)
    {
        if(!SFileOpenFileEx(hMpq, szToExtract, 0, &hMpqFile))
            nError = GetLastError();
    }

    // Copy the file's content
    if(nError == ERROR_SUCCESS)
    {
        char  szBuffer[0x1000];
        DWORD dwTransferred = 1;

        while(dwTransferred > 0)
        {
            SFileReadFile(hMpqFile, szBuffer, sizeof(szBuffer), &dwTransferred, NULL);
            if(dwTransferred == 0)
                break;

            WriteFile(hLocalFile, szBuffer, dwTransferred, &dwTransferred, NULL);
            if(dwTransferred == 0)
                break;
        }
    }

    // Close the files
    if(hMpqFile != NULL)
        SFileCloseFile(hMpqFile);
    if(hLocalFile != INVALID_HANDLE_VALUE)
        CloseHandle(hLocalFile);
    if(nError != ERROR_SUCCESS)
        SetLastError(nError);
    return (BOOL)(nError == ERROR_SUCCESS);
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CWar3MapExtractorDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CWar3MapExtractorDlg::OnExit() 
{
	PostQuitMessage(0);
}

void CWar3MapExtractorDlg::OnOpen() 
{
	char   szFileFilter[]=	  "War3Map File(*.w3m,*.w3x)|*.w3m;*.w3x|" 
							  "Mpq File(*.mpq)|*.mpq|"
                              "All File(*.*)|*.*||";
	CFileDialog m_OF(TRUE,NULL,NULL,OFN_HIDEREADONLY,szFileFilter);
	m_OF.DoModal();
	MpqName=m_OF.GetPathName();
	m_Map.SetWindowText(MpqName);
	MapName=MpqName.GetBuffer(1024);
	MpqName.ReleaseBuffer();
}

CString SGetFileTitile(CString filename)
{
	CString Stemp=filename;
	int n=0;
	while(true)
	{
		n=Stemp.Find('\\');
		if(n==-1)
			break;
		else
		Stemp=Stemp.Right(Stemp.GetLength()-n-1);
	}
	return Stemp;
}

void CWar3MapExtractorDlg::OnExtract() 
{
	CString mText; 
	CString OutFile;
	char* szOutFile;
	m_edit.GetWindowText(mText) ;
	if(mText != "")
	{
		char   szFileFilter[]= "All File(*.*)|*.*||";
		CFileDialog m_OUTF(0,NULL,SGetFileTitile(mText),OFN_HIDEREADONLY,szFileFilter);
		int MB =m_OUTF.DoModal();
		OutFile=m_OUTF.GetPathName();
		if(OutFile=="" || MB==2)
			return;

		HANDLE hMpqFile = NULL;
		int nError = ERROR_SUCCESS;
		SFileSetLocale(0x409);
		if(!SFileOpenArchive(MapName,0,0,&hMpqFile))
			nError = GetLastError();
		if(nError == ERROR_SUCCESS)
		{
			char* file=mText.GetBuffer(1024);
			mText.ReleaseBuffer();
			
			szOutFile=OutFile.GetBuffer(1024);
			OutFile.ReleaseBuffer();

			if(!SFileExtractFile(hMpqFile,file,szOutFile))
				nError = GetLastError();
			SFileCloseArchive(hMpqFile);
		}
		if(nError == ERROR_SUCCESS)
			AfxMessageBox("解壓成功");
		else
			AfxMessageBox("解壓失敗");
	}
	else
		AfxMessageBox("請輸入要解壓的文件名");
}