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- //-----------------------------------------------------------------------------
- // File: Text3D.cpp
- //
- // Desc: Example code showing how to do text in a Direct3D scene.
- //
- // Copyright (c) 1997-2001 Microsoft Corporation. All rights reserved.
- //-----------------------------------------------------------------------------
- #define STRICT
- #include <windows.h>
- #include <commdlg.h>
- #include <math.h>
- #include <tchar.h>
- #include <stdio.h>
- #include <D3DX8.h>
- #include "D3DApp.h"
- #include "D3DFont.h"
- #include "D3DUtil.h"
- #include "DXUtil.h"
- #include "resource.h"
-
- //-----------------------------------------------------------------------------
- // Name: class CMyD3DApplication
- // Desc: Application class. The base class (CD3DApplication) provides the
- // generic functionality needed in all Direct3D samples. CMyD3DApplication
- // adds functionality specific to this sample program.
- //-----------------------------------------------------------------------------
- class CMyD3DApplication : public CD3DApplication
- {
- CD3DFont* m_pFont;
- CD3DFont* m_pStatsFont;
- LPD3DXMESH m_pMesh3DText;
-
- TCHAR m_strFont[100];
- DWORD m_dwFontSize;
-
- D3DXMATRIX m_matObj1;
- D3DXMATRIX m_matObj2;
-
- protected:
- HRESULT OneTimeSceneInit();
- HRESULT InitDeviceObjects();
- HRESULT RestoreDeviceObjects();
- HRESULT InvalidateDeviceObjects();
- HRESULT DeleteDeviceObjects();
- HRESULT Render();
- HRESULT FrameMove();
- HRESULT FinalCleanup();
- HRESULT CreateD3DXTextMesh();
-
- public:
- LRESULT MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
- CMyD3DApplication();
- };
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: WinMain()
- // 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 )
- {
- CMyD3DApplication d3dApp;
-
- if( FAILED( d3dApp.Create( hInst ) ) )
- return 0;
-
- return d3dApp.Run();
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: CMyD3DApplication()
- // Desc: Application constructor. Sets attributes for the app.
- //-----------------------------------------------------------------------------
- CMyD3DApplication::CMyD3DApplication()
- {
- m_strWindowTitle = _T("Text3D: Text in a 3D scene");
- m_bUseDepthBuffer = TRUE;
- m_pMesh3DText = NULL;
-
- // Create fonts
- lstrcpy( m_strFont, _T("Arial") );
- m_dwFontSize = 18;
- m_pFont = new CD3DFont( m_strFont, m_dwFontSize );
- m_pStatsFont = new CD3DFont( _T("Arial"), 12, D3DFONT_BOLD );
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: OneTimeSceneInit()
- // Desc: Called during initial app startup, this function performs all the
- // permanent initialization.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::OneTimeSceneInit()
- {
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: FrameMove()
- // Desc: Called once per frame, the call is the entry point for animating
- // the scene.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::FrameMove()
- {
- // Setup five rotation matrices (for rotating text strings)
- D3DXMatrixRotationAxis( &m_matObj1, &D3DXVECTOR3(1.0f,2.0f,0.0f), m_fTime/2.0f );
- D3DXMatrixRotationAxis( &m_matObj2, &D3DXVECTOR3(2.0f,1.0f,0.0f), m_fTime/2.0f );
-
- // Add some translational values to the matrices
- m_matObj1._41 = 1.0f; m_matObj1._42 = 6.0f; m_matObj1._43 = 20.0f;
- m_matObj2._41 = -4.0f; m_matObj2._42 = -1.0f; m_matObj2._43 = 0.0f;
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: Render()
- // 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 CMyD3DApplication::Render()
- {
- D3DMATERIAL8 mtrl;
-
- // Clear the viewport
- m_pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0x00000000, 1.0f, 0L );
-
- // Begin the scene
- if( SUCCEEDED( m_pd3dDevice->BeginScene() ) )
- {
- // Draw CD3DFont in 2D (red)
- m_pFont->DrawText( 60, 100, D3DCOLOR_ARGB(255,255,0,0), _T("CD3DFont::DrawText") );
-
- // Draw CD3DFont in 3D (green)
- D3DUtil_InitMaterial( mtrl, 0.0f, 1.0f, 0.0f );
- m_pd3dDevice->SetMaterial( &mtrl );
- m_pd3dDevice->SetTransform( D3DTS_WORLD, &m_matObj1 );
- m_pFont->Render3DText( _T("CD3DFont::Render3DText"), D3DFONT_CENTERED|D3DFONT_TWOSIDED|D3DFONT_FILTERED );
-
- // Draw D3DXFont mesh in 3D (blue)
- if( m_pMesh3DText != NULL )
- {
- D3DUtil_InitMaterial( mtrl, 0.0f, 0.0f, 1.0f );
- m_pd3dDevice->SetMaterial( &mtrl );
- m_pd3dDevice->SetTransform( D3DTS_WORLD, &m_matObj2 );
- m_pMesh3DText->DrawSubset(0);
- }
-
- // 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;
- }
-
- //-----------------------------------------------------------------------------
- // Name: InitDeviceObjects()
- // Desc: Initialize scene objects.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::InitDeviceObjects()
- {
- // Restore the fonts
- m_pFont->InitDeviceObjects( m_pd3dDevice );
- m_pStatsFont->InitDeviceObjects( m_pd3dDevice );
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: RestoreDeviceObjects()
- // Desc: Initialize scene objects.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::RestoreDeviceObjects()
- {
- // Restore the fonts
- m_pFont->RestoreDeviceObjects();
- m_pStatsFont->RestoreDeviceObjects();
-
- // Restore 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->SetTextureStageState( 0, D3DTSS_MINFILTER, D3DTEXF_LINEAR );
- m_pd3dDevice->SetTextureStageState( 0, D3DTSS_MAGFILTER, D3DTEXF_LINEAR );
-
- m_pd3dDevice->SetRenderState( D3DRS_ZENABLE, TRUE );
- m_pd3dDevice->SetRenderState( D3DRS_DITHERENABLE, TRUE );
- m_pd3dDevice->SetRenderState( D3DRS_SPECULARENABLE, TRUE );
- m_pd3dDevice->SetRenderState( D3DRS_LIGHTING, TRUE );
- m_pd3dDevice->SetRenderState( D3DRS_AMBIENT, 0x80808080);
- D3DLIGHT8 light;
- D3DUtil_InitLight(light, D3DLIGHT_DIRECTIONAL, 10.0f, -10.0f, 10.0f);
- m_pd3dDevice->SetLight(0, &light );
- m_pd3dDevice->LightEnable(0, TRUE);
-
- // Set the transform matrices
- D3DXVECTOR3 vEyePt = D3DXVECTOR3( 0.0f,-5.0f,-10.0f );
- D3DXVECTOR3 vLookatPt = D3DXVECTOR3( 0.0f, 0.0f, 0.0f );
- D3DXVECTOR3 vUpVec = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );
- D3DXMATRIX matWorld, matView, matProj;
-
- D3DXMatrixIdentity( &matWorld );
- D3DXMatrixLookAtLH( &matView, &vEyePt, &vLookatPt, &vUpVec );
- FLOAT fAspect = m_d3dsdBackBuffer.Width / (FLOAT)m_d3dsdBackBuffer.Height;
- D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/4, fAspect, 1.0f, 100.0f );
-
- m_pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
- m_pd3dDevice->SetTransform( D3DTS_VIEW, &matView );
- m_pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );
-
- if( FAILED( CreateD3DXTextMesh() ) )
- return E_FAIL;
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: CreateD3DXTextMesh()
- // Desc:
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::CreateD3DXTextMesh()
- {
- HRESULT hr;
- HDC hdc = CreateCompatibleDC( NULL );
- HFONT hFont;
- HFONT hFontOld;
- LOGFONT lf;
-
- SAFE_RELEASE(m_pMesh3DText);
- ZeroMemory(&lf, sizeof(lf));
- lf.lfHeight = m_dwFontSize;
- lf.lfStrikeOut = 1;
- lstrcpy(lf.lfFaceName, m_strFont);
- hFont = CreateFontIndirect(&lf);
- hFontOld = (HFONT)SelectObject(hdc, hFont);
- if( FAILED( hr = D3DXCreateText(m_pd3dDevice, hdc, _T("D3DXCreateText"),
- 0.001f, 0.4f, &m_pMesh3DText, NULL, NULL) ) )
- {
- SelectObject(hdc, hFontOld);
- return hr;
- }
- SelectObject(hdc, hFontOld);
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: InvalidateDeviceObjects()
- // Desc: Called when the app is exiting, or the device is being changed,
- // this function deletes any device dependent objects.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::InvalidateDeviceObjects()
- {
- m_pFont->InvalidateDeviceObjects();
- m_pStatsFont->InvalidateDeviceObjects();
-
- SAFE_RELEASE( m_pMesh3DText );
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: DeleteDeviceObjects()
- // Desc: Called when the app is exiting, or the device is being changed,
- // this function deletes any device dependent objects.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::DeleteDeviceObjects()
- {
- m_pFont->DeleteDeviceObjects();
- m_pStatsFont->DeleteDeviceObjects();
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: FinalCleanup()
- // Desc: Called before the app exits, this function gives the app the chance
- // to cleanup after itself.
- //-----------------------------------------------------------------------------
- HRESULT CMyD3DApplication::FinalCleanup()
- {
- SAFE_DELETE( m_pFont );
- SAFE_DELETE( m_pStatsFont );
-
- return S_OK;
- }
-
-
-
-
- //-----------------------------------------------------------------------------
- // Name: MsgProc()
- // Desc: Message proc function to handle key and menu input
- //-----------------------------------------------------------------------------
- LRESULT CMyD3DApplication::MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam,
- LPARAM lParam )
- {
- if( WM_COMMAND == uMsg )
- {
- switch( LOWORD(wParam) )
- {
- case IDM_FONT:
- {
- HDC hdc;
- LONG lHeight;
- hdc = GetDC( hWnd );
- lHeight = -MulDiv( m_dwFontSize, GetDeviceCaps(hdc, LOGPIXELSY), 72 );
- ReleaseDC( hWnd, hdc );
- hdc = NULL;
-
- LOGFONT lf;
- lstrcpy( lf.lfFaceName, m_strFont );
- lf.lfHeight = lHeight;
-
- CHOOSEFONT cf;
- ZeroMemory( &cf, sizeof(cf) );
- cf.lStructSize = sizeof(cf);
- cf.hwndOwner = m_hWnd;
- cf.lpLogFont = &lf;
- cf.Flags = CF_SCREENFONTS | CF_INITTOLOGFONTSTRUCT;
-
- if( ChooseFont( &cf ) )
- {
- SAFE_DELETE( m_pFont );
- lstrcpy( m_strFont, lf.lfFaceName );
- m_dwFontSize = cf.iPointSize / 10;
-
- m_pFont = new CD3DFont( m_strFont, m_dwFontSize );
-
- m_pFont->InitDeviceObjects( m_pd3dDevice );
-
- m_pFont->RestoreDeviceObjects();
-
- CreateD3DXTextMesh();
- }
- break;
- }
- }
- }
-
- return CD3DApplication::MsgProc( hWnd, uMsg, wParam, lParam );
- }
-
-
-
-