实验四：纹理包装.doc

网络游戏编程实验报告1、 实验内容实现纹理包装。二、程序代码/-/ File: TextureWrap.cpp/-#include / Direct3D头文件#include / D3DX库的头文件#define SAFE_RELEASE(p) if(p) (p)-Release(); (p)=NULL; wchar_t *g_pClassName = LTextureWrap; / 窗口类名wchar_t *g_pWindowName = L纹理包装示例; / 窗口标题名LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; / D3D设备接口LPDIRECT3DVERTEXBUFFER9 g_pVertexBuf = NULL; / 顶点缓存接口LPDIRECT3DINDEXBUFFER9 g_pIndexBuf = NULL; / 索引缓存接口LPDIRECT3DTEXTURE9 g_pTexture = NULL; / 纹理接口/ 顶点结构struct CUSTOMVERTEX FLOAT _x, _y, _z; / 顶点的位置 FLOAT _u, _v; / 纹理坐标 CUSTOMVERTEX(FLOAT x, FLOAT y, FLOAT z, FLOAT u, FLOAT v) : _x(x), _y(y), _z(z), _u(u), _v(v) ;#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ | D3DFVF_TEX1)HRESULT InitDirect3D(HWND hWnd); / 初始化Direct3DVOID Direct3DRender(); / 渲染图形VOID Direct3DCleanup(); / 清理Direct3D资源/ 窗口消息处理函数声明LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);/-/ Name: WinMain();/ Desc: Windows应用程序入口函数/-int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) / 初始化窗口类 WNDCLASS wndclass; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH); / 窗口背景 wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); / 光标形状 wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION); / 窗口小图标 wndclass.hInstance = hInstance; wndclass.lpfnWndProc = WndProc; wndclass.lpszClassName = g_pClassName; wndclass.lpszMenuName = NULL; wndclass.style = CS_HREDRAW | CS_VREDRAW; / 注册窗口类 if (!RegisterClass(&wndclass) return 0; / 创建窗口 HWND hWnd = CreateWindow(g_pClassName, g_pWindowName, WS_OVERLAPPEDWINDOW, 100, 100, 640, 480, NULL, NULL, wndclass.hInstance, NULL); / 初始化Direct3D InitDirect3D(hWnd); / 显示、更新窗口 ShowWindow(hWnd, SW_SHOWDEFAULT); UpdateWindow(hWnd); / 消息循环 MSG msg; ZeroMemory(&msg, sizeof(msg); while (msg.message!=WM_QUIT) if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE) TranslateMessage(&msg); DispatchMessage(&msg); else Direct3DRender(); / 绘制D场景 UnregisterClass(g_pClassName, wndclass.hInstance); return 0;/-/ Name: WndProc()/ Desc: 窗口消息处理函数/-LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) switch (message) case WM_PAINT: / 客户区重绘消息 Direct3DRender(); / 渲染图形 ValidateRect(hWnd, NULL); / 更新客户区的显示 break; case WM_KEYDOWN: / 键盘按下消息 if (wParam = VK_ESCAPE) / ESC键 DestroyWindow(hWnd); / 销毁窗口, 并发送一条WM_DESTROY消息 break; case WM_DESTROY: / 窗口销毁消息 Direct3DCleanup(); / 清理Direct3D PostQuitMessage(0); / 退出程序 break; / 默认的消息处理 return DefWindowProc( hWnd, message, wParam, lParam );/-/ Name: InitDirect3D()/ Desc: 初始化Direct3D/-HRESULT InitDirect3D(HWND hWnd) / 创建IDirect3D接口 LPDIRECT3D9 pD3D = NULL; / IDirect3D9接口 pD3D = Direct3DCreate9(D3D_SDK_VERSION); / 创建IDirect3D9接口对象 if (pD3D = NULL) return E_FAIL; / 获取硬件设备信息 D3DCAPS9 caps; int vp = 0; pD3D-GetDeviceCaps( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &caps ); if( caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT ) vp = D3DCREATE_HARDWARE_VERTEXPROCESSING; else vp = D3DCREATE_SOFTWARE_VERTEXPROCESSING; / 创建Direct3D设备接口 D3DPRESENT_PARAMETERS d3dpp; ZeroMemory(&d3dpp, sizeof(d3dpp); d3dpp.BackBufferWidth = 640; d3dpp.BackBufferHeight = 480; d3dpp.BackBufferFormat = D3DFMT_A8R8G8B8; d3dpp.BackBufferCount = 1; d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE; d3dpp.MultiSampleQuality = 0; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.hDeviceWindow = hWnd; d3dpp.Windowed = true; d3dpp.EnableAutoDepthStencil = true; d3dpp.AutoDepthStencilFormat = D3DFMT_D24S8; d3dpp.Flags = 0; d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT; d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE; pD3D-CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, vp, &d3dpp, &g_pd3dDevice); pD3D-Release(); / 创建纹理 D3DXCreateTextureFromFile(g_pd3dDevice, Lwrap.bmp, &g_pTexture); / 创建顶点缓存 g_pd3dDevice-CreateVertexBuffer(8 * sizeof(CUSTOMVERTEX), 0, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVertexBuf, NULL); / 填充顶点数据 CUSTOMVERTEX *pVertices = NULL; g_pVertexBuf-Lock(0, 0, (void*)&pVertices, 0); pVertices0 = CUSTOMVERTEX(-5.0f, 25.0f, -5.0f, 1.0f/8.0f, 0.0f); pVertices1 = CUSTOMVERTEX(-5.0f, 25.0f, 5.0f, 3.0f/8.0f, 0.0f); pVertices2 = CUSTOMVERTEX( 5.0f, 25.0f, 5.0f, 5.0f/8.0f, 0.0f); pVertices3 = CUSTOMVERTEX( 5.0f, 25.0f, -5.0f, 7.0f/8.0f, 0.0f); pVertices4 = CUSTOMVERTEX(-5.0f, -25.0f, -5.0f, 1.0f/8.0f, 1.0f); pVertices5 = CUSTOMVERTEX(-5.0f, -25.0f, 5.0f, 3.0f/8.0f, 1.0f); pVertices6 = CUSTOMVERTEX( 5.0f, -25.0f, 5.0f, 5.0f/8.0f, 1.0f); pVertices7 = CUSTOMVERTEX( 5.0f, -25.0f, -5.0f, 7.0f/8.0f, 1.0f); g_pVertexBuf-Unlock(); / 创建索引缓存 g_pd3dDevice-CreateIndexBuffer(36 * sizeof(WORD), 0, D3DFMT_INDEX16, D3DPOOL_DEFAULT, &g_pIndexBuf, NULL); / 填充索引数据 WORD *pIndices = NULL; g_pIndexBuf-Lock(0, 0, (void*)&pIndices, 0); / 顶面 pIndices0 = 0, pIndices1 = 1, pIndices2 = 2; pIndices3 = 0, pIndices4 = 2, pIndices5 = 3; / 正面 pIndices6 = 0, pIndices7 = 3, pIndices8 = 7; pIndices9 = 0, pIndices10 = 7, pIndices11 = 4; / 左侧面 pIndices12 = 0, pIndices13 = 4, pIndices14 = 5; pIndices15 = 0, pIndices16 = 5, pIndices17 = 1; / 右侧面 pIndices18 = 2, pIndices19 = 6, pIndices20 = 7; pIndices21 = 2, pIndices22 = 7, pIndices23 = 3; / 背面 pIndices24 = 2, pIndices25 = 5, pIndices26 = 6; pIndices27 = 2, pIndices28 = 1, pIndices29 = 5; / 底面 pIndices30 = 4, pIndices31 = 6, pIndices32 = 5; pIndices33 = 4, pIndices34 = 7, pIndices35 = 6; g_pIndexBuf-Unlock(); / 设置材质 D3DMATERIAL9 mtrl; :ZeroMemory(&mtrl, sizeof(mtrl); mtrl.Ambient = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f); mtrl.Diffuse = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f); mtrl.Specular = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f); g_pd3dDevice-SetMaterial(&mtrl); / 设置环境光 g_pd3dDevice-SetRenderState(D3DRS_AMBIENT, D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f); / 设置取景变换矩阵 D3DXMATRIX matView; D3DXVECTOR3 vEye(0.0f, 0.0f, -150.0f); D3DXVECTOR3 vAt(0.0f, 0.0f, 0.0f); D3DXVECTOR3 vUp(0.0f, 1.0f, 0.0f); D3DXMatrixLookAtLH(&matView, &vEye, &vAt, &vUp); g_pd3dDevice-SetTransform(D3DTS_VIEW, &matView); / 设置投影变换矩阵 D3DXMATRIX matProj; D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI / 4.0f, 1.0f, 1.0f, 1000.0f); g_pd3dDevice-SetTransform(D3DTS_PROJECTION, &matProj); return S_OK;/-/ Name: Direct3DRender()/ Desc: 绘制D场景/-VOID Direct3DRender() g_pd3dDevice-Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0); g_pd3dDevice-BeginScene(); / 开始绘制 / 设置世界变换矩阵 FLOAT fAngle = (float):timeGetTime() / 600.0f; D3DXMATRIX matWorld, Ry; D3DXMatrixTranslation(&matWorld, -15.0f, 0.0f, 0.0f); D3DXMatrixRotationY(&Ry, fAngle); D3DXMatrixMultiply(&matWorld, &Ry, &matWorld); g_pd3dDevice-SetTransform(D3DTS_WORLD, &matWorld); / 关闭纹理包装 g_pd3dDevice-SetRenderState(D3DRS_WRAP0, 0); / 绘制立方体 g_pd3dDevice-SetStreamSource(0, g_pVertexBuf, 0, sizeof(CUSTOMVERTEX); g_pd3dDevice-SetFVF(D3DFVF_CUSTOM