main.cpp

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//-----------------------------------------------------------------------------
// Name: Basic Direct 3D Framework application
//
// Description: Example code showing how to create a basic 3D application
//
// File Function: Main body of the function (main.cpp)
//
// Code: 
//		Copyright (c) 2002 LostLogic Corporation. All rights reserved.
//
// Libraries Required:
//		d3d9.lib
//		dxguid.lib
//		d3dx9dt.lib
//		d3dxof.lib
//		comctl32.lib
//		winmm.lib
//
// DX Files Required:
//		d3dapp.cpp
//		dedenumeration.cpp
//		d3dfont.cpp
//		d3dsettings.cpp
//		d3dutil.cpp
//		dxutil.cpp
//
// Local Files Required:
//		resourcedata.rc
//		main.cpp
//		main.h
//
// Original D3D Application Shell Code: 
//		Copyright (c) 1997-2001 Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
#include "main.h"

//-----------------------------------------------------------------------------
// Desc: Entry point to the program. Initializes everything, and goes into a
//       message-processing loop. Idle time is used to render the scene.
//-----------------------------------------------------------------------------
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
{
	// Instance of the framework application
    CD3DFramework d3dApp;

    InitCommonControls();
    
	// Create the application environment
	// ----------------------------------
	// This initializes the display and loads all appropriate data.
	//
	if( FAILED( d3dApp.Create( hInst ) ) )
        return 0;

	// Start up the application
	// ------------------------
	// Starts the program running by activating the message loop
	// and render functions.
	//
    return d3dApp.Run();
}

//-----------------------------------------------------------------------------
// Desc: Application constructor. Sets attributes for the app.
//-----------------------------------------------------------------------------
CD3DFramework::CD3DFramework()
{
    m_strWindowTitle    = _T("D3D Frame");
    m_d3dEnumeration.AppUsesDepthBuffer   = TRUE;

    // Create fonts
    lstrcpy( m_strFont, _T("Arial") );
    m_dwFontSize  = 18;
    m_pStatsFont  = NULL;
}

//-----------------------------------------------------------------------------
// Desc: Called during initial app startup, this function performs all the
//       permanent initialization.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::OneTimeSceneInit()
{
    m_pStatsFont = new CD3DFont( _T("Arial"), 12, D3DFONT_BOLD );
    if( m_pStatsFont == NULL )
        return E_FAIL;

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Called once per frame, the call is the entry point for animating
//       the scene.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::FrameMove()
{
    // Rotate the camera about the y-axis
    D3DXVECTOR3 vFromPt   = D3DXVECTOR3( 50.0f, 50.0f, -50.0f );
    D3DXVECTOR3 vLookatPt = D3DXVECTOR3( 0.0f, 10.0f, 0.0f );
    D3DXVECTOR3 vUpVec    = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );

    D3DXMATRIXA16 matView;
    D3DXMatrixLookAtLH( &matView, &vFromPt, &vLookatPt, &vUpVec );
    m_pd3dDevice->SetTransform( D3DTS_VIEW, &matView );

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Called once per frame, the call is the entry point for 3d
//       rendering. This function sets up render states, clears the
//       viewport, and renders the scene.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::Render()
{
    // Clear the viewport
    m_pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(120,120,120), 1.0f, 0L );

    // Begin the scene 
    if( SUCCEEDED( m_pd3dDevice->BeginScene() ) )
    {
        // Show frame rate
        m_pStatsFont->DrawText( 2,  0, D3DCOLOR_ARGB(255,255,255,0), m_strFrameStats );
        m_pStatsFont->DrawText( 2, 20, D3DCOLOR_ARGB(255,255,255,0), m_strDeviceStats );

        // End the scene.
        m_pd3dDevice->EndScene();
    }

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Initialize scene objects.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::InitDeviceObjects()
{
    HRESULT hr;

    if( FAILED( hr = m_pStatsFont->InitDeviceObjects( m_pd3dDevice ) ) )
        return hr;

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Initialize scene objects.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::RestoreDeviceObjects()
{
    D3DLIGHT9 light;
	
	// Restore the fonts
    m_pStatsFont->RestoreDeviceObjects();

    // Set up the textures
    m_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
    m_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
    m_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP,   D3DTOP_MODULATE );
    m_pd3dDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR );
    m_pd3dDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR );

    // Set miscellaneous render states
    m_pd3dDevice->SetRenderState( D3DRS_DITHERENABLE,   FALSE );
    m_pd3dDevice->SetRenderState( D3DRS_SPECULARENABLE, FALSE );
    m_pd3dDevice->SetRenderState( D3DRS_ZENABLE,        TRUE );
    m_pd3dDevice->SetRenderState( D3DRS_AMBIENT,        0x00888888 );

    // Set the world matrix
    D3DXMATRIXA16 matIdentity;
    D3DXMatrixIdentity( &matIdentity );
    m_pd3dDevice->SetTransform( D3DTS_WORLD,  &matIdentity );

    // Set the projection matrix
    D3DXMATRIXA16 matProj;
    FLOAT fAspect = ((FLOAT)m_d3dsdBackBuffer.Width) / m_d3dsdBackBuffer.Height;
    D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/4, fAspect, 1.0f, 100.0f );
    m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );

    // Setup a material
    D3DMATERIAL9 mtrl;
    D3DUtil_InitMaterial( mtrl, 1.0f, 1.0f, 1.0f, 1.0f );
    m_pd3dDevice->SetMaterial( &mtrl );

    // Set up lighting states
    D3DUtil_InitLight( light, D3DLIGHT_DIRECTIONAL, 0.1f, -1.0f, 0.1f );
    m_pd3dDevice->SetLight( 0, &light );
    m_pd3dDevice->LightEnable( 0, TRUE );
    m_pd3dDevice->SetRenderState( D3DRS_LIGHTING, TRUE );

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Called when the app is exiting, or the device is being changed,
//       this function deletes any device dependent objects.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::InvalidateDeviceObjects()
{
    m_pStatsFont->InvalidateDeviceObjects();

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Called when the app is exiting, or the device is being changed,
//       this function deletes any device dependent objects.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::DeleteDeviceObjects()
{
    m_pStatsFont->DeleteDeviceObjects();

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Called before the app exits, this function gives the app the chance
//       to cleanup after itself.
//-----------------------------------------------------------------------------
HRESULT CD3DFramework::FinalCleanup()
{
    SAFE_DELETE( m_pStatsFont );

    return S_OK;
}

//-----------------------------------------------------------------------------
// Desc: Message proc function to handle key and menu input
//-----------------------------------------------------------------------------
LRESULT CD3DFramework::MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
    return CD3DApplication::MsgProc( hWnd, uMsg, wParam, lParam );
}