// dxtex.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "dxtex.h"

#include "MainFrm.h"
#include "ChildFrm.h"
#include "dxtexDoc.h"
#include "dxtexView.h"

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



/////////////////////////////////////////////////////////////////////////////
// CDxtexDocManager::DoPromptFileName - overridden to allow importing of
// BMPs as well as DDSs into CDxtexDocs.
BOOL CDxtexDocManager::DoPromptFileName(CString& fileName, UINT nIDSTitle,
            DWORD lFlags, BOOL bOpenFileDialog, CDocTemplate* pTemplate)
{
    CFileDialog dlgFile(bOpenFileDialog);

    CString title;
    VERIFY(title.LoadString(nIDSTitle));

    dlgFile.m_ofn.Flags |= lFlags;

    CString strFilter;
    CString strDefault;

    if (bOpenFileDialog)
    {
        strFilter += "Image Files (*.dds, *.bmp, *.tga, *.jpg, *.png, *.dib)";
        strFilter += (TCHAR)'\0';   // next string please
        strFilter += _T("*.dds;*.bmp;*.tga;*.jpg;*.png;*.dib");
        strFilter += (TCHAR)'\0';   // last string
        dlgFile.m_ofn.nMaxCustFilter++;
    }
    else
    {
        strFilter += "Image Files (*.dds)";
        strFilter += (TCHAR)'\0';   // next string please
        strFilter += _T("*.dds");
        strFilter += (TCHAR)'\0';   // last string
        dlgFile.m_ofn.nMaxCustFilter++;
    }

    // append the "*.*" all files filter
    CString allFilter;
    VERIFY(allFilter.LoadString(AFX_IDS_ALLFILTER));
    strFilter += allFilter;
    strFilter += (TCHAR)'\0';   // next string please
    strFilter += _T("*.*");
    strFilter += (TCHAR)'\0';   // last string
    dlgFile.m_ofn.nMaxCustFilter++;

    dlgFile.m_ofn.lpstrFilter = strFilter;
    dlgFile.m_ofn.lpstrTitle = title;
    dlgFile.m_ofn.lpstrFile = fileName.GetBuffer(_MAX_PATH);

    INT_PTR nResult = dlgFile.DoModal();
    fileName.ReleaseBuffer();
    return nResult == IDOK;
};


/////////////////////////////////////////////////////////////////////////////
// CDxTxCommandLineInfo

CDxtexCommandLineInfo::CDxtexCommandLineInfo(VOID)
{
    m_fmt = D3DFMT_UNKNOWN;
    m_bAlphaComing = FALSE;
    m_bMipMap = FALSE;
}


void CDxtexCommandLineInfo::ParseParam(const TCHAR* pszParam,BOOL bFlag,BOOL bLast)
{
    if (lstrcmpiA(pszParam, "DXT1") == 0)
    {
        m_fmt = D3DFMT_DXT1;
    }
    else if (lstrcmpiA(pszParam, "DXT2") == 0)
    {
        m_fmt = D3DFMT_DXT2;
    }
    else if (lstrcmpiA(pszParam, "DXT3") == 0)
    {
        m_fmt = D3DFMT_DXT3;
    }
    else if (lstrcmpiA(pszParam, "DXT4") == 0)
    {
        m_fmt = D3DFMT_DXT4;
    }
    else if (lstrcmpiA(pszParam, "DXT5") == 0)
    {
        m_fmt = D3DFMT_DXT5;
    }
    else if (bFlag && tolower(pszParam[0]) == 'a')
    {
        m_bAlphaComing = TRUE;
    }
    else if (!bFlag && m_bAlphaComing)
    {
        m_strFileNameAlpha = pszParam;
        m_bAlphaComing = FALSE;
    }
    else if (bFlag && tolower(pszParam[0]) == 'm')
    {
        m_bMipMap = TRUE;
    }
    else if (!bFlag && !m_strFileName.IsEmpty())
    {
        m_strFileNameSave = pszParam;
    }

    CCommandLineInfo::ParseParam(pszParam, bFlag, bLast);
}



/////////////////////////////////////////////////////////////////////////////
// CDxtexApp

BEGIN_MESSAGE_MAP(CDxtexApp, CWinApp)
    //{{AFX_MSG_MAP(CDxtexApp)
    ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
        // NOTE - the ClassWizard will add and remove mapping macros here.
        //    DO NOT EDIT what you see in these blocks of generated code!
    //}}AFX_MSG_MAP
    // Standard file based document commands
    ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
    ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDxtexApp construction

CDxtexApp::CDxtexApp()
{
    // Place all significant initialization in InitInstance
    m_pd3d = NULL;
}

/////////////////////////////////////////////////////////////////////////////
// CDxtexApp destruction

CDxtexApp::~CDxtexApp()
{
    ReleasePpo(&m_pd3ddev);
    ReleasePpo(&m_pd3d);
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CDxtexApp object

CDxtexApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CDxtexApp initialization

BOOL CDxtexApp::InitInstance()
{
    // Change the registry key under which our settings are stored.
    SetRegistryKey(_T("Microsoft"));

    LoadStdProfileSettings();  // Load standard INI file options (including MRU)

    // Register the application's document templates.  Document templates
    //  serve as the connection between documents, frame windows and views.

    m_pDocManager = new CDxtexDocManager;
    
    CMultiDocTemplate* pDocTemplate;
    pDocTemplate = new CMultiDocTemplate(
        IDR_DXTXTYPE,
        RUNTIME_CLASS(CDxtexDoc),
        RUNTIME_CLASS(CChildFrame), // custom MDI child frame
        RUNTIME_CLASS(CDxtexView));
    AddDocTemplate(pDocTemplate);

    // create main MDI Frame window
    CMainFrame* pMainFrame = new CMainFrame;
    if (!pMainFrame->LoadFrame(IDR_MAINFRAME))
        return FALSE;
    m_pMainWnd = pMainFrame;

    // Initialize DirectDraw
    m_pd3d = Direct3DCreate8(D3D_SDK_VERSION);
    if (m_pd3d == NULL)
    {
        AfxMessageBox(ID_ERROR_D3DCREATEFAILED, MB_OK, 0);
        return FALSE;
    }

    HRESULT hr;
    D3DDISPLAYMODE dispMode;
    D3DPRESENT_PARAMETERS presentParams;
    D3DDEVTYPE devType;

    m_pd3d->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &dispMode);

    ZeroMemory(&presentParams, sizeof(presentParams));
    presentParams.Windowed = TRUE;
    presentParams.SwapEffect = D3DSWAPEFFECT_COPY_VSYNC;
    presentParams.BackBufferWidth = 8;
    presentParams.BackBufferHeight = 8;
    presentParams.BackBufferFormat = dispMode.Format;

    devType = D3DDEVTYPE_REF; 

    hr = m_pd3d->CreateDevice(D3DADAPTER_DEFAULT, devType, m_pMainWnd->GetSafeHwnd(), 
        D3DCREATE_SOFTWARE_VERTEXPROCESSING, &presentParams, &m_pd3ddev);
    if (FAILED(hr))
    {
        AfxMessageBox(ID_ERROR_CANTCREATEDEVICE);
        return FALSE;
    }

    D3DCAPS8 Caps;
    m_pd3ddev->GetDeviceCaps(&Caps);
    if (Caps.PrimitiveMiscCaps & D3DPMISCCAPS_NULLREFERENCE)
    {
        AfxMessageBox(ID_ERROR_NULLREF);
    }

    // Parse command line for standard shell commands, DDE, file open
    CDxtexCommandLineInfo cmdInfo;
    ParseCommandLine(cmdInfo);
    // Prevent automatic "New" at startup:
    if (cmdInfo.m_nShellCommand == CCommandLineInfo::FileNew)
        cmdInfo.m_nShellCommand = CCommandLineInfo::FileNothing;

    // Dispatch commands specified on the command line
    if (!ProcessShellCommand(cmdInfo))
        return FALSE;

    // See if we loaded a document
    POSITION posTemp = GetFirstDocTemplatePosition();
    CDxtexDoc* pdoc = NULL;
    POSITION pos = pDocTemplate->GetFirstDocPosition();
    if (pos != NULL)
        pdoc = (CDxtexDoc*)pDocTemplate->GetNextDoc(pos);

    if (!cmdInfo.m_strFileNameAlpha.IsEmpty())
    {
        if (pdoc != NULL)
        {
            pdoc->LoadAlphaBmp(cmdInfo.m_strFileNameAlpha);
        }
    }
    if (cmdInfo.m_bMipMap)
    {
        if (pdoc != NULL)
        {
            pdoc->GenerateMipMaps();
        }
    }
    if (cmdInfo.m_fmt != 0)
    {
        if (pdoc != NULL)
        {
            pdoc->Compress(cmdInfo.m_fmt, TRUE);
        }
    }
    if (!cmdInfo.m_strFileNameSave.IsEmpty())
    {
        if (pdoc != NULL)
        {
            pdoc->OnSaveDocument(cmdInfo.m_strFileNameSave);
        }
        return FALSE; // Prevent UI from coming up
    }

    // The main window has been initialized, so show and update it.
    pMainFrame->ShowWindow(m_nCmdShow);
    pMainFrame->UpdateWindow();

    return TRUE;
}


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

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

// Dialog Data
    //{{AFX_DATA(CAboutDlg)
    enum { IDD = IDD_ABOUTBOX };
    CString m_strVersion;
    //}}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)
        // No message handlers
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
    TCHAR szFile[MAX_PATH];
    CString strVersion;
    UINT cb;
    DWORD dwHandle;
    BYTE FileVersionBuffer[1024];
    VS_FIXEDFILEINFO* pVersion = NULL;

    GetModuleFileName(NULL, szFile, MAX_PATH);

    cb = GetFileVersionInfoSize(szFile, &dwHandle/*ignored*/);
    if (cb > 0)
    {
        if (cb > sizeof(FileVersionBuffer))
            cb = sizeof(FileVersionBuffer);

        if (GetFileVersionInfo(szFile, 0, cb, &FileVersionBuffer))
        {
            pVersion = NULL;
            if (VerQueryValue(&FileVersionBuffer, "\\", (VOID**)&pVersion, &cb)
                && pVersion != NULL) 
            {
                strVersion.Format("Version %d.%02d.%02d.%04d", 
                    HIWORD(pVersion->dwFileVersionMS),
                    LOWORD(pVersion->dwFileVersionMS), 
                    HIWORD(pVersion->dwFileVersionLS), 
                    LOWORD(pVersion->dwFileVersionLS));
            }
        }
    }

    //{{AFX_DATA_INIT(CAboutDlg)
    m_strVersion = strVersion;
    //}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CAboutDlg)
    DDX_Text(pDX, IDC_VERSION, m_strVersion);
    //}}AFX_DATA_MAP
}

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

// App command to run the dialog
void CDxtexApp::OnAppAbout()
{
    CAboutDlg aboutDlg;
    aboutDlg.DoModal();
}