《网络游戏客户端编程》第4章示例程序

////////////////////////////////////////////////////////////////////////////////////////////////// // // 文件： Example4_1.cpp // // 作者：秦春 // // 系统: Windows Vista, VC++2008 // // 描述: 演示在立方体每个表面添加一个单独的纹理 // // 日期：2009.9.5 // ////////////////////////////////////////////////////////////////////////////////////////////////// #include "d3dUtility.h" // // 全局变量 // LPDIRECT3DDEVICE9 Device = 0; //D3D设备指针 LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL; //顶点缓存指针 LPDIRECT3DTEXTURE9 m_pTex[6] ={NULL}; //定义纹理指针数组 const int Width = 640; const int Height = 480; //自定义顶点格式 struct CUSTOMERVERTEX { FLOAT x, y, z; //三维坐标 DWORD colour; //顶点颜色 FLOAT tu, tv; //纹理坐标 static const DWORD FVF; }; const DWORD CUSTOMERVERTEX::FVF = (D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1); // // 框架函数 // //建立立方体，并给立方体加上纹理坐标信息 bool SetCube() { float length = 5.0; //立方体边长 // 设置顶点位置，颜色信息 CUSTOMERVERTEX g_Vertices[] = { //顶面顶点 {-length, length, -length, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 1.0f}, {-length, length, length, D3DCOLOR_XRGB(0, 255, 0), 0.0f, 0.0f}, {length, length, -length, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 1.0f}, {length, length, length, D3DCOLOR_XRGB(255, 255, 0), 1.0f, 0.0f}, //左面顶点 {-length, length, length, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 1.0f}, {-length, length, -length, D3DCOLOR_XRGB(0, 255, 0), 0.0f, 0.0f}, {-length, -length, length, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 1.0f}, {-length, -length, -length, D3DCOLOR_XRGB(255, 255, 0), 1.0f, 0.0f}, //正面顶点 {-length, -length, -length, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 1.0f}, {-length, length, -length, D3DCOLOR_XRGB(0, 255, 0), 0.0f, 0.0f}, {length, -length, -length, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 1.0f}, {length, length, -length, D3DCOLOR_XRGB(255, 255, 0), 1.0f, 0.0f}, //右面顶点 {length, length, -length, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 1.0f}, {length, length, length, D3DCOLOR_XRGB(0, 255, 0), 0.0f, 0.0f}, {length, -length, -length, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 1.0f}, {length, -length, length, D3DCOLOR_XRGB(255, 255, 0), 1.0f, 0.0f}, //背面顶点 {length, -length, length, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 1.0f}, {length, length, length, D3DCOLOR_XRGB(0, 255, 0), 0.0f, 0.0f}, {-length, -length, length, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 1.0f}, {-length, length, length, D3DCOLOR_XRGB(255, 255, 0), 1.0f, 0.0f}, //底面顶点 {length, -length, -length, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 1.0f}, {length, -length, length, D3DCOLOR_XRGB(0, 255, 0), 0.0f, 0.0f}, {-length, -length, -length, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 1.0f}, {-length, -length, length, D3DCOLOR_XRGB(255, 255, 0), 1.0f, 0.0f}, }; VOID* pVertices; //创建顶点缓存 if(FAILED(Device->CreateVertexBuffer(24*sizeof(CUSTOMERVERTEX), D3DUSAGE_SOFTWAREPROCESSING, CUSTOMERVERTEX::FVF, D3DPOOL_DEFAULT, &g_pVB, NULL))) { ::MessageBox(0, "CreateVertexBuffer() - FAILED", 0, 0); return false; } //锁定顶点缓存 if(FAILED(g_pVB->Lock(0, 0, (void**)&pVertices, 0))) { ::MessageBox(0, "锁定顶点缓存失败", 0, 0); return false; } //拷贝顶点信息 memcpy(pVertices, g_Vertices, sizeof(g_Vertices)); //解锁 g_pVB->Unlock(); return true; } //从磁盘文件获取纹理 bool CreateTexture() { if( FAILED(D3DXCreateTextureFromFile(Device, "1.jpg", &m_pTex[0]))) { MessageBox(NULL, "纹理1初始化失败 !", "Errow", MB_OK); return false; }; if( FAILED(D3DXCreateTextureFromFile(Device, "2.jpg", &m_pTex[1]))) { MessageBox(NULL, "纹理2初始化失败 !", "Errow", MB_OK); return false; }; if( FAILED(D3DXCreateTextureFromFile(Device, "3.jpg", &m_pTex[2]))) { MessageBox(NULL, "纹理3初始化失败 !", "Errow", MB_OK); return false; }; if( FAILED(D3DXCreateTextureFromFile(Device, "4.jpg", &m_pTex[3]))) { MessageBox(NULL, "纹理4初始化失败 !", "Errow", MB_OK); return false; }; if( FAILED(D3DXCreateTextureFromFile(Device, "5.jpg", &m_pTex[4]))) { MessageBox(NULL, "纹理5初始化失败 !", "Errow", MB_OK); return false; }; if( FAILED(D3DXCreateTextureFromFile(Device, "6.jpg", &m_pTex[5]))) { MessageBox(NULL, "纹理6初始化失败 !", "Errow", MB_OK); return false; }; return true; } //进行组合变换 void SetupRotation(float timeDelta) { //定义变换矩阵 D3DXMATRIX matWorld, matWorldX, matWorldY, matWorldZ; D3DXMATRIX matTranslate, matScale; //缩放变换 D3DXMatrixScaling(&matScale, 1, 1, 1); //平移变换 D3DXMatrixTranslation(&matTranslate, 0, 0, 0); //旋转变换 D3DXMatrixRotationX(&matWorldX, timeGetTime() / 400.0f); D3DXMatrixRotationY(&matWorldY, timeGetTime() / 400.0f); D3DXMatrixRotationZ(&matWorldZ, timeGetTime() / 400.0f); //组合变换 D3DXMatrixMultiply(&matWorld, &matWorldX, &matWorldY); D3DXMatrixMultiply(&matWorld, &matWorld, &matWorldZ); D3DXMatrixMultiply(&matWorld, &matWorld, &matTranslate); D3DXMatrixMultiply(&matWorld, &matWorld, &matScale); Device->SetTransform(D3DTS_WORLD, &matWorld); } bool Setup() { //建立立方体 SetCube(); //加载纹理 CreateTexture(); // 设置摄像机位置. D3DXVECTOR3 position(0.0f, 0.0f, -20.0f); D3DXVECTOR3 target(0.0f, 0.0f, 0.0f); D3DXVECTOR3 up(0.0f, 1.0f, 0.0f); D3DXMATRIX V; D3DXMatrixLookAtLH(&V, &position, &target, &up); Device->SetTransform(D3DTS_VIEW, &V); // 设置投影矩阵. D3DXMATRIX proj; D3DXMatrixPerspectiveFovLH( &proj, D3DX_PI * 0.5f, // 90 - degree (float)Width / (float)Height, 1.0f, 1000.0f); Device->SetTransform(D3DTS_PROJECTION, &proj); //设置禁止光线 Device->SetRenderState(D3DRS_LIGHTING, false); //设置渲染着色方式 Device->SetRenderState(D3DRS_SHADEMODE, D3DSHADE_GOURAUD); //设置纹理过滤方式 Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR); Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR); Device->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_POINT); //将数据源设置到顶点缓存 Device->SetStreamSource(0, g_pVB, 0, sizeof(CUSTOMERVERTEX)); //设置自定义顶点格式 Device->SetFVF(CUSTOMERVERTEX::FVF); return true; } //释放建立的对象 void Cleanup() { for(int i = 0; i<6; i++) d3d::Release(m_pTex[i]); d3d::Release(g_pVB); d3d::Release(Device); } bool Display(float timeDelta) { if( Device ) // 如果已经有有效设备Device，则使用 Device 进行图形显示. { //进行组合变换 SetupRotation(timeDelta); // 清空3D设备，通知设备将后缓存中每个像素设置为黑色 - D3DCLEAR_TARGET: D3DCOLOR_XRGB(0, 0, 0) Device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(255,255, 255), 1.0f, 0); //进行实际的绘制工作 Device->BeginScene(); //绘制立方体并渲染纹理 for(int i = 0; i < 6; i++) { //设置第i个面的纹理 Device->SetTexture(0, m_pTex[i]); //渲染顶点缓存中第i个面的顶点 Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, i*4, 2); } //结束绘制 Device->EndScene(); // 将后台缓存内容复制到前台缓存. Device->Present(0, 0, 0, 0); } return true; } // // WndProc // LRESULT CALLBACK d3d::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { switch( msg ) { case WM_DESTROY: ::PostQuitMessage(0); break; case WM_KEYDOWN: if( wParam == VK_ESCAPE ) ::DestroyWindow(hwnd); break; } return ::DefWindowProc(hwnd, msg, wParam, lParam); } // // WinMain // int WINAPI WinMain(HINSTANCE hinstance, HINSTANCE prevInstance, PSTR cmdLine, int showCmd) { if(!d3d::InitD3D(hinstance, Width, Height, true, D3DDEVTYPE_HAL, &Device)) { ::MessageBox(0, "InitD3D() - FAILED", 0, 0); return 0; } if(!Setup()) { ::MessageBox(0, "Setup() - FAILED", 0, 0); return 0; } d3d::EnterMsgLoop( Display ); Cleanup(); // 注销窗口类 UnregisterClass("base", hinstance); return 0; }