#include <d3d9.h>

#define WIN32_LEAN_AND_MEAN

LPDIRECT3D9             g_pD3D       = NULL; // 用來創(chuàng)建D3D設(shè)備
LPDIRECT3DDEVICE9       g_pd3dDevice = NULL; // D3D設(shè)備
MSG msg; 
bool supportsHardwareVertexProcessing;
// 初始化D3D
HRESULT InitD3D( HWND hWnd )
{
    // 創(chuàng)建D3D對(duì)象
    if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
        return E_FAIL;

    // 獲取當(dāng)前的顯示模式
    D3DDISPLAYMODE d3ddm;
    if( FAILED( g_pD3D->GetAdapterDisplayMode( D3DADAPTER_DEFAULT, &d3ddm ) ) )
        return E_FAIL;

    D3DPRESENT_PARAMETERS d3dpp; 
    ZeroMemory( &d3dpp, sizeof(d3dpp) );
    d3dpp.Windowed = TRUE;						// 窗口模式
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;	// 設(shè)置交換模式
    d3dpp.BackBufferFormat = d3ddm.Format;		// 設(shè)置背景緩沖區(qū)格式為當(dāng)前左面格式

	// 創(chuàng)建D3D設(shè)備
	// 第一個(gè)參數(shù)：使用默認(rèn)的顯卡適配器
	// 第二個(gè)參數(shù)：請(qǐng)求使用硬件抽象層（HAL）
	// 第三個(gè)參數(shù)：窗口句柄
	// 第四個(gè)參數(shù)：使用軟件處理頂點(diǎn)
	// 第五個(gè)參數(shù)：創(chuàng)建的參數(shù)
	// 第六個(gè)參數(shù)：創(chuàng)建的D3D設(shè)備指針
    if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, 
									  D3DDEVTYPE_HAL, 
									  hWnd,
                                      D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                                      &d3dpp, 
									  &g_pd3dDevice ) ) )
    {
        return E_FAIL;
    }
	//D3DCAPS9 caps;
	//g_pd3dDevice->GetDeviceCaps(&caps);
	//if( caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT )
 //   {
 //             //數(shù)據(jù)位為“on”，所以支持
 //             supportsHardwareVertexProcessing = true;
	//	      
 //   }
 //   else
 //  {
 //            //數(shù)據(jù)位為“off”，所以不支持 
 //            supportsHardwareVertexProcessing = false;
 //  }


    return S_OK;
}

// 釋放D3D
VOID Cleanup()
{
    if( g_pd3dDevice != NULL) 
        g_pd3dDevice->Release();

    if( g_pD3D != NULL)
        g_pD3D->Release();
}

// 渲染
VOID Render()
{
    if( NULL == g_pd3dDevice )
        return;

    // 清除背景為蘭色
    g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,255), 1.0f, 0 );
    
    // 開始繪制場(chǎng)景
    g_pd3dDevice->BeginScene();
    
    // 這里繪制你需要的東西
    
    // 結(jié)束場(chǎng)景繪制
    g_pd3dDevice->EndScene();
    
    // 顯示到屏幕上
    g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
}


// 消息處理
LRESULT WINAPI WinProc( HWND hWnd, UINT msg1, WPARAM wParam, LPARAM lParam )
{
	HDC hdc;
	PAINTSTRUCT ps;
    switch( msg1 )
    {
        case WM_DESTROY:	// 退出消息
			Cleanup();
            PostQuitMessage( 0 );
			// 結(jié)束處理
			
            break;
		case WM_LBUTTONDOWN:
			//簡(jiǎn)單聲音的函數(shù)
			MessageBeep(MB_ICONASTERISK);
			break;

		/*case WM_MOVE:
            MessageBeep(MB_ICONASTERISK);
			break;*/
		//case WM_MOUSEMOVE:
  //         // MessageBeep(MB_ICONASTERISK);
		//	return 0;
        case WM_PAINT:		// 繪制
			hdc = BeginPaint(hWnd,&ps);
            Render();	
//            ValidateRect( hWnd, NULL );
			EndPaint(hWnd,&ps);
            break;
		
    }

    return  DefWindowProc( hWnd, msg1, wParam, lParam );;
}

// WinMain程序入口
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
{
    // 注冊(cè)窗口類
    WNDCLASSEX wc ;
		/*= { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L, 
                      GetModuleHandle(NULL), NULL, NULL, NULL, NULL,
                      "D3D Tutorial", NULL };*/
	wc.cbSize = sizeof(WNDCLASSEX);
	wc.lpfnWndProc = WinProc;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 0;
	wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
	wc.hCursor = LoadCursor(NULL,IDC_ARROW);
	wc.hIcon = LoadIcon(NULL,IDI_APPLICATION);
	wc.hIconSm = LoadIcon(NULL,IDI_APPLICATION);
	wc.hInstance = hInst;
	wc.lpszClassName = "D3D Tutorial";
	wc.lpszMenuName = NULL;
	wc.style = CS_DBLCLKS|CS_OWNDC|CS_HREDRAW|CS_VREDRAW;

    RegisterClassEx( &wc );

    // 創(chuàng)建窗口
   /* HWND hWnd = CreateWindow( "D3D Tutorial", "D3D Tutorial 01: CreateDevice", 
                              WS_OVERLAPPEDWINDOW, 100, 100, 300, 300,
                              GetDesktopWindow(), NULL, wc.hInstance, NULL );*/
	HWND hWnd = CreateWindowEx(NULL,"D3D Tutorial","D3D Tutorial 01: CreateDevice",
		                       WS_OVERLAPPEDWINDOW | WS_VISIBLE,100,100,800,600,NULL,NULL,wc.hInstance,NULL);
    // 初始化D3D
    if( SUCCEEDED( InitD3D( hWnd ) ) )
    { 
        // 顯示窗口
        ShowWindow( hWnd, SW_SHOW );
        UpdateWindow( hWnd );

        // 消息循環(huán)
        
		while(TRUE)
		{
			if(PeekMessage(&msg,NULL,0,0,PM_REMOVE))
			{
				if(msg.message == WM_QUIT)
					break;
                 TranslateMessage( &msg );
                 DispatchMessage( &msg );
			}
			//Render();
			//Game_Main();
		}

       
    }

    
    
    UnregisterClass( "D3D Tutorial", wc.hInstance );
    return 0;
}