溪风蝉月

   1:  #include <windows.h> 

   2:  #include <d3dx9.h> 

   3:  #include <vector> 

   4:  using namespace std;   

   5:  HINSTANCE hInstance;   

   6:  IDirect3DDevice9 *Device = 0;   

   7:  const D3DXCOLOR      WHITE( D3DCOLOR_XRGB(255, 255, 255) );   

   8:  //设置全局变量，一个ID3DXMesh对象存储从XFile中加载的网格数据，另外两个变量分别存储该网格的材质和纹理数据 

   9:  ID3DXMesh *Mesh = 0;   

  10:  vector<D3DMATERIAL9>Mtrls(0);   

  11:  vector<IDirect3DTexture9*>Textures(0);   

  12:  bool Setup()   

  13:  {   

  14:  //导入XFile数据 

  15:      ID3DXBuffer* adjBuffer = 0;   

  16:      ID3DXBuffer* mtrlBuffer = 0;   

  17:  DWORD numMtrls = 0;   

  18:      D3DXLoadMeshFromX("bigship1.x", D3DXMESH_MANAGED, Device, &adjBuffer, &mtrlBuffer, 0, &numMtrls, &Mesh);   

  19:  //加载XFile文件后，我们必须遍历D3DXMATRIAL数组中的元素，并加载该网格所引用的纹理数据 

  20:  if(mtrlBuffer!=0 && numMtrls!=0)   

  21:      {   

  22:          D3DXMATERIAL *mtrls = (D3DXMATERIAL*)mtrlBuffer->GetBufferPointer();   

  23:  for(int i=0; i<numMtrls; i++)   

  24:          {   

  25:  //设置MatD3D的属性 

  26:              mtrls[i].MatD3D.Ambient = mtrls[i].MatD3D.Diffuse;   

  27:  //保存第i个材质 

  28:              Mtrls.push_back(mtrls[i].MatD3D);   

  29:  //检查第i个材质是否有纹理 

  30:  if(mtrls[i].pTextureFilename != 0)   

  31:              {   

  32:  //是的话导入纹理信息 

  33:                  IDirect3DTexture9* tex = 0;   

  34:                  D3DXCreateTextureFromFile(Device, mtrls[i].pTextureFilename, &tex);   

  35:  //保存导入的纹理 

  36:                  Textures.push_back(tex);   

  37:              }   

  38:  else 

  39:              {   

  40:  //不是的话 

  41:                  Textures.push_back(0);   

  42:              }   

  43:          }   

  44:      }   

  45:      Mesh->OptimizeInplace(          

  46:          D3DXMESHOPT_ATTRSORT |   

  47:          D3DXMESHOPT_COMPACT  |   

  48:          D3DXMESHOPT_VERTEXCACHE,   

  49:          (DWORD*)adjBuffer->GetBufferPointer(),   

  50:          0, 0, 0);   

  51:  // 

  52:  // Set texture filters. 

  53:  // 

  54:      Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);   

  55:      Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);   

  56:      Device->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_POINT);   

  57:  //  

  58:  // Set Lights. 

  59:  // 

  60:      D3DLIGHT9 dir;   

  61:      ZeroMemory(&dir, sizeof(dir));   

  62:      dir.Type      = D3DLIGHT_DIRECTIONAL;   

  63:      dir.Diffuse   = WHITE;   

  64:      dir.Specular  = WHITE * 0.3f;   

  65:      dir.Ambient   = WHITE * 0.6f;   

  66:      dir.Direction = D3DXVECTOR3(1.0f, 0.0f, 0.0f);   

  67:  // 

  68:  // Set and Enable the light. 

  69:  // 

  70:      Device->SetLight(0, &dir);   

  71:      Device->LightEnable(0, true);   

  72:  // 

  73:  // Set camera. 

  74:  // 

  75:      D3DXVECTOR3 pos(4.0f, 4.0f, -13.0f);   

  76:      D3DXVECTOR3 target(0.0f, 0.0f, 0.0f);   

  77:      D3DXVECTOR3 up(0.0f, 1.0f, 0.0f);   

  78:      D3DXMATRIX V;   

  79:      D3DXMatrixLookAtLH(   

  80:          &V,   

  81:          &pos,   

  82:          &target,   

  83:          &up);   

  84:      Device->SetTransform(D3DTS_VIEW, &V);   

  85:  // 

  86:  // Set projection matrix. 

  87:  // 

  88:      D3DXMATRIX proj;   

  89:      D3DXMatrixPerspectiveFovLH(   

  90:              &proj,   

  91:              D3DX_PI * 0.5f, // 90 - degree 

  92:              800.0f/600.0f,   

  93:              1.0f,   

  94:              1000.0f);   

  95:      Device->SetTransform(D3DTS_PROJECTION, &proj);   

  96:  return true;   

  97:  }   

  98:  void Cleanup()   

  99:  {   

 100:  }   

 101:  void Display(float time)   

 102:  {   

 103:  if(Device)   

 104:      {   

 105:  static float y = 0.0f;   

 106:          D3DXMATRIX yRot;   

 107:          D3DXMatrixRotationY(&yRot, y);   

 108:          y = y + time;   

 109:  if(y>6.28f)   

 110:              y = 0.0f;   

 111:          D3DXMATRIX World = yRot;   

 112:          Device ->SetTransform(D3DTS_WORLD, &World);   

 113:          Device ->Clear(0, 0, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, 0x0000ffff, 1.0f, 0);   

 114:          Device ->BeginScene();   

 115:  for(int i=0; i<Mtrls.size(); i++)   

 116:          {   

 117:              Device ->SetMaterial(&Mtrls[i]);   

 118:              Device ->SetTexture(0, Textures[i]);   

 119:              Mesh ->DrawSubset(i);   

 120:          }   

 121:          Device ->EndScene();   

 122:          Device ->Present(0, 0, 0, 0);   

 123:      }   

 124:  }   

 125:  LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)   

 126:  {   

 127:  switch(uMsg)   

 128:      {   

 129:  case WM_DESTROY:   

 130:          PostQuitMessage(0);   

 131:  break;   

 132:  case WM_KEYDOWN:   

 133:  if( wParam == VK_ESCAPE )   

 134:              DestroyWindow(hWnd);   

 135:  break;   

 136:  default:   

 137:  return DefWindowProc(hWnd, uMsg, wParam, lParam);   

 138:      }   

 139:  return 0;   

 140:  }   

 141:  int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)   

 142:  {   

 143:      MSG msg;   

 144:      ZeroMemory(&msg, sizeof(msg));   

 145:      WNDCLASSEX wc;   

 146:      wc.cbClsExtra = NULL;   

 147:      wc.cbSize = sizeof(wc);   

 148:      wc.cbWndExtra = NULL;   

 149:      wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);   

 150:      wc.hCursor = LoadCursor(NULL, IDC_ARROW);   

 151:      wc.hIcon = LoadIcon(NULL, IDI_WINLOGO);   

 152:      wc.hIconSm = NULL;   

 153:      wc.hInstance = hInstance;   

 154:      wc.lpfnWndProc = WndProc;   

 155:      wc.lpszClassName = "draw";   

 156:      wc.lpszMenuName = NULL;   

 157:      wc.style = CS_DROPSHADOW;   

 158:      RegisterClassEx(&wc);   

 159:  HWND hWnd = CreateWindowEx(WS_EX_COMPOSITED, "draw", "draw", WS_HSCROLL, 100, 100, 800, 600, NULL, NULL, hInstance, NULL);   

 160:      ShowWindow(hWnd, SW_NORMAL);   

 161:      UpdateWindow(hWnd);   

 162:      IDirect3D9 *D3D9 = 0;   

 163:      D3D9 = Direct3DCreate9(D3D_SDK_VERSION);   

 164:      D3DCAPS9 caps;   

 165:      D3D9 ->GetDeviceCaps(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &caps);   

 166:  int vp = 0;   

 167:  if(caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT)   

 168:          vp = D3DCREATE_HARDWARE_VERTEXPROCESSING;   

 169:  else 

 170:          vp = D3DCREATE_SOFTWARE_VERTEXPROCESSING;   

 171:      D3DPRESENT_PARAMETERS d3dpp;   

 172:      d3dpp.BackBufferWidth            = 800;   

 173:      d3dpp.BackBufferHeight           = 600;   

 174:      d3dpp.BackBufferFormat           = D3DFMT_A8R8G8B8;   

 175:      d3dpp.BackBufferCount            = 1;   

 176:      d3dpp.MultiSampleType            = D3DMULTISAMPLE_NONE;   

 177:      d3dpp.MultiSampleQuality         = 0;   

 178:      d3dpp.SwapEffect                 = D3DSWAPEFFECT_DISCARD;    

 179:      d3dpp.hDeviceWindow              = hWnd;   

 180:      d3dpp.Windowed                   = true;   

 181:      d3dpp.EnableAutoDepthStencil     = true;    

 182:      d3dpp.AutoDepthStencilFormat     = D3DFMT_D24S8;   

 183:      d3dpp.Flags                      = 0;   

 184:      d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;   

 185:      d3dpp.PresentationInterval       = D3DPRESENT_INTERVAL_IMMEDIATE;   

 186:  HRESULT hr = D3D9-> CreateDevice(   

 187:          D3DADAPTER_DEFAULT,   

 188:          D3DDEVTYPE_HAL,   

 189:          hWnd,   

 190:          vp,   

 191:          &d3dpp,   

 192:          &Device);   

 193:  while(msg.message != WM_QUIT)   

 194:      {   

 195:  if(PeekMessage(&msg, NULL, NULL, NULL, PM_REMOVE))   

 196:          {   

 197:              TranslateMessage(&msg);   

 198:              DispatchMessage(&msg);   

 199:          }   

 200:  else 

 201:          {   

 202:              Setup();   

 203:              Display(0.016f);   

 204:          }   

 205:      }   

 206:  return 0;   

 207:  }