www.pudn.com > HeightMap_D3D.zip > cApp.cpp

//----------------------------------------------------------------------------- 
// File: cApp.cpp 
// Desc: This is our main file' all the program procces happens here. 
//----------------------------------------------------------------------------- 
#include "Main.h" 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: cApp() 
// Desc: The Constructor of cApp class. 
//----------------------------------------------------------------------------- 
cApp::cApp() 
{ 
	m_pD3D = NULL; 
	m_pD3DDevice = NULL; 
	m_lpD3DFont = NULL; 
	cInput* m_pInput = NULL; 
	cCamera* m_pCamera = NULL; 
	cTerrain* m_pHeightMap = NULL; 
	 
 
	FontRect.top = 0; 
	FontRect.left = 0; 
	FontRect.bottom = WIN_HEIGHT; 
	FontRect.right = WIN_WIDTH; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: Init() 
// Desc: Public func that tells what initialed first and what second. 
//----------------------------------------------------------------------------- 
HRESULT cApp::Init() 
{ 
	if(FAILED(InitD3D())) 
	{ 
		MessageBox( hWnd, "InitD3D() failed!", "cApp::Init()", MB_OK ); 
        return E_FAIL; 
	} 
 
	if(FAILED(InitFont())) 
	{ 
		MessageBox( hWnd, "InitFont() failed!", "cApp::Init()", MB_OK ); 
        return E_FAIL; 
	} 
 
	if(FAILED(InitApp())) 
	{ 
		MessageBox( hWnd, "IniteApp() failed!", "cApp::Init()", MB_OK ); 
        return E_FAIL; 
	} 
 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: InitD3D() 
// Desc: Initializes Direct3D 
//----------------------------------------------------------------------------- 
HRESULT cApp::InitD3D() 
{ 
    if( NULL == ( m_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) ) 
	{ 
		MessageBox( hWnd, "Direct3DCreate9() failed!", "cApp::InitD3D()", MB_OK ); 
        return E_FAIL; 
	} 
 
    D3DPRESENT_PARAMETERS d3dpp;  
    ZeroMemory( &d3dpp, sizeof(d3dpp) ); 
    d3dpp.Windowed = false; 
	d3dpp.BackBufferCount = 1; 
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; 
    d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8; 
	d3dpp.BackBufferWidth = WIN_WIDTH; 
    d3dpp.BackBufferHeight = WIN_HEIGHT; 
	d3dpp.hDeviceWindow = hWnd; 
    d3dpp.EnableAutoDepthStencil = true; 
    d3dpp.AutoDepthStencilFormat = D3DFMT_D16; 
	d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT; 
    d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE; 
 
 
	if( FAILED( m_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &m_pD3DDevice ) ) ) 
    { 
		MessageBox( hWnd, "CreateDevice() failed!", "cApp::InitD3D()", MB_OK ); 
        return E_FAIL; 
    } 
 
    m_pD3DDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE ); 
    m_pD3DDevice->SetRenderState( D3DRS_LIGHTING, false ); 
    m_pD3DDevice->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE); 
	m_pD3DDevice->SetRenderState(D3DRS_FILLMODE, D3DFILL_WIREFRAME); 
 
    return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: InitFont() 
// Desc: Initializes the font here. 
//----------------------------------------------------------------------------- 
HRESULT cApp::InitFont() 
{ 
	LOGFONT logFont = { 
		12, //height 
		0,  //width;  
		0,  // lfEscapement;  
		0,  //lfOrientation;  
		FW_BOLD, // lfWeight;  
		FALSE, // lfItalic;  
		FALSE, // lfUnderline;  
		FALSE, // lfStrikeOut;  
		DEFAULT_CHARSET, // lfCharSet;  
		OUT_DEFAULT_PRECIS, //lfOutPrecision;  
		CLIP_DEFAULT_PRECIS, // lfClipPrecision;  
		ANTIALIASED_QUALITY,// lfQuality;  
		DEFAULT_PITCH,// lfPitchAndFamily;  
		"Arial"// lfFaceName[LF_FACESIZE];  
    }; 
 
	if(FAILED(D3DXCreateFontIndirect( m_pD3DDevice, &logFont, &m_lpD3DFont ))) 
	{ 
		MessageBox(hWnd, "D3DXCreateFontIndirect() Failed!", "cApp::InitFont()", MB_OK); 
		return E_FAIL; 
	} 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: InitApp() 
// Desc: Initializes App 
//----------------------------------------------------------------------------- 
HRESULT cApp::InitApp() 
{ 
	m_pInput = new cInput(); 
	m_pCamera = new cCamera(); 
	m_pHeightMap = new cTerrain(); 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Name: Render() 
// Desc: This is the place that sends render commands to all the created 
//		 object there are that need to be rendered. 
//----------------------------------------------------------------------------- 
HRESULT cApp::Render() 
{ 
	if( m_pD3DDevice == NULL ) 
	{ 
		MessageBox( hWnd, "m_pD3DDevice == NULL", "cApp::Render()", MB_OK ); 
        return E_FAIL; 
	} 
 
	m_pInput->GetDeviceState(); 
	if(SUCCEEDED(m_pInput->BKeyDown(DIK_ESCAPE))) 
		DestroyWindow(hWnd); 
 
	m_pD3DDevice->Clear( 0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0,0,0), 1.0f, 0 ); 
 
	if( SUCCEEDED( m_pD3DDevice->BeginScene() ) ) 
	{ 
		if(FAILED(m_pHeightMap->Render())) 
		{ 
			MessageBox( hWnd, "m_pHeightMap->Render() Failed!", "cApp::Render()", MB_OK ); 
			return E_FAIL; 
		} 
 
		if(FAILED(m_pCamera->Render())) 
		{ 
			MessageBox( hWnd, "m_pCamera->Render() Failed!", "cApp::Render()", MB_OK ); 
			return E_FAIL; 
		} 
 
		if(FAILED(m_pInput->Render())) 
		{ 
			MessageBox( hWnd, "m_pInput->Render() Failed!", "cApp::Render()", MB_OK ); 
			return E_FAIL; 
		} 
		m_pD3DDevice->EndScene(); 
	} 
 
	m_pD3DDevice->Present( NULL, NULL, NULL, NULL ); 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: RenderFont() 
// Desc: Rendering the font here. The function does not recieve any parameters 
//       i'll add that in time. 
//----------------------------------------------------------------------------- 
HRESULT cApp::RenderFont(char FontBuffer[255], int Top ) 
{ 
	m_lpD3DFont->Begin(); 
 
	//sprintf(FontBuffer, "X = %d, Y = %d", m_pInput->getM_BuffX(), m_pInput->getM_BuffY() ); 
	FontRect.top = Top; 
	m_lpD3DFont->DrawText( FontBuffer, -1, &FontRect, DT_LEFT, D3DCOLOR_XRGB(255, 255, 255)); 
 
	/*sprintf(FontBuffer, "vLookAtPt(%f, %f, %f)", m_pCamera->vLookAtPt.x, m_pCamera->vLookAtPt.y, m_pCamera->vLookAtPt.z ); 
	FontRect.top = 15; 
	m_lpD3DFont->DrawText( FontBuffer, -1, &FontRect, DT_LEFT, D3DCOLOR_XRGB(255, 255, 255)); 
 
	sprintf(FontBuffer, "vLookAtPt(%f, %f, %f)", m_pCamera->vUpVec.x, m_pCamera->vUpVec.y, m_pCamera->vUpVec.z ); 
	FontRect.top = 30; 
	m_lpD3DFont->DrawText( FontBuffer, -1, &FontRect, DT_LEFT, D3DCOLOR_XRGB(255, 255, 255));*/ 
 
	m_lpD3DFont->End(); 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: ~cApp() 
// Desc: The deconstructor of cApp class. 
//----------------------------------------------------------------------------- 
cApp::~cApp() 
{ 
	SafeRelease(m_pD3D); 
	SafeRelease(m_pD3DDevice); 
	SafeRelease(m_lpD3DFont); 
	SafeDelete(m_pInput); 
	SafeDelete(m_pCamera); 
	SafeDelete(m_pHeightMap); 
}