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Mesh.cpp
资源名称：3DRPG.rar　[点击查看]
上传用户：cjwanglu
上传日期：2013-07-10
资源大小：4744k
文件大小：3k
源码类别：

游戏

开发平台：

Visual C++

Mesh.cpp：源码内容
  1. #include "stdafx.h"
  2. #include "Mesh.h"
  5. CMesh::CMesh(LPDIRECT3DDEVICE9 d3dd,LPSTR str)
  6. {   m_pD3DDevice=d3dd;
  7. LPD3DXBUFFER pBuffer;
  8. D3DXMATERIAL *  pMat;
  9.     LPD3DXMESH pMesh = NULL;
  11. D3DXLoadMeshFromX(str,D3DXMESH_SYSTEMMEM,m_pD3DDevice,NULL,&pBuffer,NULL,&m_dwNumOfMaterials,&m_pMesh);
  12. pMat=(D3DXMATERIAL*) pBuffer->GetBufferPointer();
  13. m_pMaterial=new D3DMATERIAL9 [m_dwNumOfMaterials];
  14. m_pTexture=new LPDIRECT3DTEXTURE9 [m_dwNumOfMaterials];
  16. for(DWORD i=0;i<m_dwNumOfMaterials;i++)
  17. {
  18. m_pMaterial[i]=pMat[i].MatD3D;
  19. m_pMaterial[i].Ambient=m_pMaterial[i].Diffuse;
  20. D3DXCreateTextureFromFile(m_pD3DDevice,pMat[i].pTextureFilename,&m_pTexture[i]);
  21. }
  22. pBuffer->Release();
  23. //pMesh->CloneMeshFVF(D3DXMESH_MANAGED, MESH_D3DFVF_CUSTOMVERTEX, m_pD3DDevice, &m_pMesh);
  24. //SafeRelease(pMesh);
  25. /*DWORD * adjacencyInfo=new DWORD[m_pMesh->GetNumFaces()*3];
  26. m_pMesh->GenerateAdjacency(0.0f,adjacencyInfo);
  27. DWORD* optimizedAdjacencyInfo=new DWORD[m_pMesh->GetNumFaces()*3];
  28. m_pMesh->OptimizeInplace(D3DXMESHOPT_ATTRSORT|D3DXMESHOPT_DONOTSPLIT,adjacencyInfo,optimizedAdjacencyInfo,0,0);*/
  29. D3DXComputeNormals(m_pMesh,NULL);
  30. }
  32. CMesh::~CMesh()
  33. {
  34.     if(m_pMaterial!=NULL)
  35. {
  36. delete [] m_pMaterial;
  37. }
  38. if(m_pTexture!=NULL)
  39. {
  40. for(DWORD i=0;i<m_dwNumOfMaterials;i++)
  41. {
  42. if(m_pTexture[i]!=NULL)
  43. {
  44. m_pTexture[i]->Release();
  45. }
  46. }
  47. delete [] m_pTexture;
  48. }
  49. m_pMesh->Release();
  51. }
  53. void CMesh::RenderMesh()
  54. {// m_pD3DDevice->SetRenderState( D3DRS_ALPHABLENDENABLE,   TRUE );
  55.     //m_pD3DDevice->SetRenderState( D3DRS_SRCBLEND,  D3DBLEND_SRCALPHA );
  56.    // m_pD3DDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
  58.      // m_pD3DDevice->SetRenderState( D3DRS_CLIPPLANEENABLE ,TRUE);
  59. for(DWORD i=0;i<m_dwNumOfMaterials;i++)
  60. {
  61. m_pD3DDevice->SetMaterial(&m_pMaterial[i]);
  62. m_pD3DDevice->SetTexture(0,m_pTexture[i]);
  63.        
  64. m_pMesh->DrawSubset(i);
  65.        
  66. }
  67.      // m_pD3DDevice->SetRenderState( D3DRS_CLIPPLANEENABLE ,FALSE);
  68. }
  70. void CMesh::Translate(POSITION ppos)
  71. {
  72.     
  73. D3DXMATRIX matRotation,matTranslate;
  74. D3DXMatrixRotationY(&matRotation,-D3DX_PI/180*(ppos.a+90.0f));
  75. D3DXMatrixTranslation(&matTranslate,ppos.x,ppos.y+65.0f,ppos.z);
  76. D3DXMatrixMultiply(&matWorld,&matRotation,&matTranslate);
  77. m_pD3DDevice->SetTransform(D3DTS_WORLD,&matWorld);
  79. }
  80. void CMesh::Translation(NPOSITION ppos)
  81. {
  82.     D3DXMATRIX matRotation,matTranslate;
  83. D3DXMatrixRotationY(&matRotation,-D3DX_PI/180*(ppos.a+90.0f));
  84. D3DXMatrixTranslation(&matTranslate,ppos.x,ppos.y+65.0f,ppos.z);
  85. D3DXMatrixMultiply(&matWorld,&matRotation,&matTranslate);
  86. m_pD3DDevice->SetTransform(D3DTS_WORLD,&matWorld);
  87. }