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Water.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：13k
源码类别：

游戏

开发平台：

Visual C++

Water.cpp：源码内容
  1. #include "stdafx.h"
  2. #include "Water.h"
  5. CWater::CWater(HINSTANCE hinst,LPDIRECT3DDEVICE9 d3dd,DWORD row,DWORD col)
  6. {
  7. m_pD3DDevice=d3dd;
  8.     dwRow=row;
  9. dwCol=col/2;
  10. m_fcell=30;
  11. //m_fHeight=800;
  12. m_hInst=hinst;
  13. SetTexture();
  14. CreateVertex();
  15. }
  17. CWater::~CWater()
  18. {
  20. m_pIbRiver->Release();
  21. m_pTxRiver->Release();
  22. m_pVbRiver->Release();
  23. //delete []m_pHeightData;
  24. }
  25. D3DXVECTOR3 CWater::GetTriangeNormal(D3DXVECTOR3* vV1, D3DXVECTOR3* vV2, D3DXVECTOR3* vV3)
  26. {
  27. D3DXVECTOR3 vNormal;
  28. D3DXVECTOR3 v1;
  29. D3DXVECTOR3 v2;
  31. D3DXVec3Subtract(&v1, vV2, vV1);
  32. D3DXVec3Subtract(&v2, vV3, vV1);
  34. D3DXVec3Cross(&vNormal, &v1, &v2);
  36. D3DXVec3Normalize(&vNormal, &vNormal);
  38. return vNormal;
  39. }
  40. void CWater::CreateVertex()
  41. {   
  43. VERTEX * VertexBuffer;
  44.     DWORD * IndexBuffer;
  45. D3DXVECTOR3 vNormal;
  47. DWORD Vertex1;
  48. DWORD Vertex2;
  49. DWORD Vertex3;
  50. DWORD NumOfIndex;
  51.     WORD * NumOfShareFace=new WORD[dwRow*dwCol];
  52.     D3DVECTOR *SumOfVertexNormal=new D3DVECTOR[dwRow*dwCol];
  53. /*BITMAP bmp;
  54. HBITMAP hBmp;
  55. HBITMAP oldBmp;
  56. HDC hDC;
  57. hDC=CreateCompatibleDC(NULL);
  58. hBmp=(HBITMAP)LoadImage(m_hInst,"./res/map.bmp",IMAGE_BITMAP,m_dwRow,m_dwCol,LR_LOADFROMFILE);
  59. oldBmp=(HBITMAP)SelectObject(hDC,hBmp);
  60. GetObject(hBmp,sizeof(bmp),&bmp);
  61. m_dwRow=bmp.bmWidth;
  62. m_dwCol=bmp.bmHeight;
  63. m_pHeightData=new BYTE [m_dwRow*m_dwCol];
  64. DWORD color;
  65. for(DWORD i=0;i<m_dwRow;i++)
  66. {
  67. for(DWORD j=0;j<m_dwCol;j++)
  68. {
  69. color=GetPixel(hDC,j,i);
  70. m_pHeightData[i*m_dwCol+j]=*(BYTE*)&color;
  71. }
  72. }
  73.     WORD * NumOfShareFace=new WORD[m_dwRow*m_dwCol];
  75. D3DVECTOR *SumOfVertexNormal=new D3DVECTOR[m_dwRow*m_dwCol];
  76. //delete oldBmp;
  77. //delete hDC;
  78. //delete hBmp;
  79.    NumOfIndex=(m_dwRow-1)*(m_dwCol-1)*6;
  80.     m_pD3DDevice->CreateIndexBuffer(NumOfIndex*sizeof(DWORD),D3DUSAGE_WRITEONLY,D3DFMT_INDEX32,D3DPOOL_MANAGED,&m_pIb,NULL);
  81. m_pIb->Lock(0,0,(void **)&IndexBuffer,0);//(m_dwRow-1)*(m_dwCol-1)*6*sizeof(DWORD)
  82. DWORD k=0,a=0,b=0,c=0;
  84. for(DWORD i=0;i<m_dwRow-1;i++)
  85. {
  86. for(DWORD j=0;j<m_dwCol-1;j++)
  87. {   a=i*(m_dwCol)+j;
  88.     b=(i+1)*(m_dwCol)+j;
  89. c=i*(m_dwCol)+j+1;
  90. IndexBuffer[k+0]=a;
  91. IndexBuffer[k+1]=b;
  92. IndexBuffer[k+2]=c;
  93. IndexBuffer[k+3]=c;
  94. IndexBuffer[k+4]=b;
  95. IndexBuffer[k+5]=b+1;
  96. k+=6;
  98. }
  99. }
  100.   
  102. m_pIb->Unlock();
  104. float tu=0,tv=-0.5;
  105. m_pD3DDevice->CreateVertexBuffer(m_dwRow*m_dwCol*sizeof(VERTEX),D3DUSAGE_SOFTWAREPROCESSING,D3DFVF_VERTEX,D3DPOOL_DEFAULT,&m_pVb,NULL);
  106. m_pVb->Lock(0,m_dwRow*m_dwCol*sizeof(VERTEX),(void **)&VertexBuffer,D3DLOCK_DISCARD);
  107. for(DWORD i=0;i<m_dwRow*m_dwCol;i++)
  108. {
  109. NumOfShareFace[i]=0;
  110. SumOfVertexNormal[i]=D3DXVECTOR3(0,0,0);
  112. VertexBuffer[i].y=m_pHeightData[i]/255.0f*m_fHeight;
  113. VertexBuffer[i].x=m_fcell*(i%m_dwCol);
  114. VertexBuffer[i].z=m_fcell*(i/m_dwCol);
  115. tu=((tu+0.05f>1.0f)?(-1.0f):(tu+0.05f)); //tu=-1~1,-1~1,......
  116. if(i%m_dwCol==0) 
  117. {
  118. tv=((tv+0.05f>1.0f)?(-1.0f):(tv+0.05f));
  119. tu=0;
  120. }
  122. VertexBuffer[i].tu=tu>0?tu:-tu;
  123. VertexBuffer[i].tv=tv>0?tv:-tv;
  124. }
  125. for(DWORD i=0;i<NumOfIndex;i+=3)
  126. {
  127.      Vertex1=IndexBuffer[i];
  128.  Vertex2=IndexBuffer[i+1];
  129.  Vertex3=IndexBuffer[i+2];
  130.  vNormal=GetTriangeNormal(&D3DXVECTOR3(VertexBuffer[Vertex1].x,VertexBuffer[Vertex1].y,VertexBuffer[Vertex1].z),
  131.                       &D3DXVECTOR3(VertexBuffer[Vertex2].x,VertexBuffer[Vertex2].y,VertexBuffer[Vertex2].z),
  132.                               &D3DXVECTOR3(VertexBuffer[Vertex3].x,VertexBuffer[Vertex3].y,VertexBuffer[Vertex3].z));
  133.  NumOfShareFace[Vertex1]++;
  134.  NumOfShareFace[Vertex2]++;
  135.  NumOfShareFace[Vertex3]++;
  137.  SumOfVertexNormal[Vertex1].x+=vNormal.x;
  138.  SumOfVertexNormal[Vertex1].y+=vNormal.y;
  139.  SumOfVertexNormal[Vertex1].z+=vNormal.z;
  141.      SumOfVertexNormal[Vertex2].x+=vNormal.x;
  142.  SumOfVertexNormal[Vertex2].y+=vNormal.y;
  143.  SumOfVertexNormal[Vertex2].z+=vNormal.z;
  145.      SumOfVertexNormal[Vertex3].x+=vNormal.x;
  146.  SumOfVertexNormal[Vertex3].y+=vNormal.y;
  147.  SumOfVertexNormal[Vertex3].z+=vNormal.z;
  149. }
  151. for(DWORD i=0;i<(m_dwCol*m_dwRow);i++)
  152. {
  153. vNormal.x=SumOfVertexNormal[i].x/NumOfShareFace[i];
  154. vNormal.y=SumOfVertexNormal[i].y/NumOfShareFace[i];
  155. vNormal.z=SumOfVertexNormal[i].z/NumOfShareFace[i];
  156. D3DXVec3Normalize(&vNormal,&vNormal);
  157. VertexBuffer[i].nx=vNormal.x;
  158.         VertexBuffer[i].ny=vNormal.y;
  159. VertexBuffer[i].nz=vNormal.z;
  160. }
  161.    
  163. m_pVb->Unlock();*/
  165. /*int x=250;
  166. int z=200;
  167. y=165.0f;
  168. m_pD3DDevice->CreateVertexBuffer(4*sizeof(VERTEX),D3DUSAGE_DYNAMIC,D3DFVF_VERTEX,D3DPOOL_DEFAULT,&m_pVbRiver,NULL);
  169. m_pVbRiver->Lock(0,4*sizeof(VERTEX),(void **)&VertexBuffer,D3DLOCK_DISCARD);
  170. VertexBuffer[0].x=x;
  171. VertexBuffer[0].y=y;
  172. VertexBuffer[0].z=z;
  173. VertexBuffer[0].tu=0.0f;
  174. VertexBuffer[0].tv=0.0f;
  175.     
  176.     VertexBuffer[2].x=x+2700.0f;
  177. VertexBuffer[2].y=y;
  178. VertexBuffer[2].z=z;
  179. VertexBuffer[2].tu=1.0f;
  180. VertexBuffer[2].tv=0.0f;
  181.     
  182.     VertexBuffer[1].x=x;
  183. VertexBuffer[1].y=y;
  184. VertexBuffer[1].z=z+3700.0f;
  185. VertexBuffer[1].tu=0.0f;
  186. VertexBuffer[1].tv=1.0f;
  188. VertexBuffer[3].x=x+2700.0f;
  189. VertexBuffer[3].y=y;
  190. VertexBuffer[3].z=z+3700.0f;
  191. VertexBuffer[3].tu=1.0f;
  192. VertexBuffer[3].tv=1.0f;
  193.     for(int i=0;i<4;i++)
  194. {
  195. VertexBuffer[i].nx=0.0f;
  196. VertexBuffer[i].ny=0.0f;
  197.         VertexBuffer[i].nz=0.0f;
  198. }
  199.    
  200.  vNormal=GetTriangeNormal(&D3DXVECTOR3(VertexBuffer[0].x,VertexBuffer[0].y,VertexBuffer[0].z),
  201.                       &D3DXVECTOR3(VertexBuffer[1].x,VertexBuffer[1].y,VertexBuffer[1].z),
  202.                               &D3DXVECTOR3(VertexBuffer[2].x,VertexBuffer[2].y,VertexBuffer[2].z));
  204.  for(int i=0;i<3;i++)
  205.  {
  206.  VertexBuffer[i].nx+=vNormal.x;
  207.  VertexBuffer[i].ny+=vNormal.y;
  208.  VertexBuffer[i].nz+=vNormal.z;
  209.  }
  212.       vNormal=GetTriangeNormal(&D3DXVECTOR3(VertexBuffer[1].x,VertexBuffer[1].y,VertexBuffer[1].z),
  213.                       &D3DXVECTOR3(VertexBuffer[2].x,VertexBuffer[2].y,VertexBuffer[2].z),
  214.                               &D3DXVECTOR3(VertexBuffer[3].x,VertexBuffer[3].y,VertexBuffer[3].z));
  216.   
  217.       for(int i=1;i<4;i++)
  218.  {
  219.  VertexBuffer[i].nx+=vNormal.x;
  220.  VertexBuffer[i].ny+=vNormal.y;
  221.  VertexBuffer[i].nz+=vNormal.z;
  222.  }
  224.  VertexBuffer[1].nx/=2;
  225.  VertexBuffer[1].ny/=2;
  226.  VertexBuffer[1].nz/=2;
  228.      VertexBuffer[2].nx/=2;
  229.  VertexBuffer[2].ny/=2;
  230.  VertexBuffer[2].nz/=2;
  231.  for(int i=0;i<4;i++)
  232.  {
  233.       D3DXVec3Normalize(&D3DXVECTOR3(VertexBuffer[i].nx,VertexBuffer[i].ny,VertexBuffer[i].nz),&D3DXVECTOR3(VertexBuffer[i].nx,VertexBuffer[i].ny,VertexBuffer[i].nz));
  234.  }
  235.  m_pVbRiver->Unlock();*/
  236.      //dwRow=m_dwRow;//每行的顶点数
  237.  //dwCol=m_dwCol/2;//每列的顶点数
  238.     
  239.     //NumOfShareFace=new WORD[dwRow*dwCol];
  241. //SumOfVertexNormal=new D3DVECTOR[dwRow*dwCol];
  242.      y=165.0f;
  243.     NumOfIndex=(dwRow-1)*(dwCol-1)*6;
  244.     m_pD3DDevice->CreateIndexBuffer(NumOfIndex*sizeof(DWORD),D3DUSAGE_WRITEONLY,D3DFMT_INDEX32,D3DPOOL_MANAGED,&m_pIbRiver,NULL);
  245. m_pIbRiver->Lock(0,0,(void **)&IndexBuffer,0);//(m_dwRow-1)*(m_dwCol-1)*6*sizeof(DWORD)
  246. DWORD k=0,a=0,b=0,c=0;
  248. for(DWORD i=0;i<dwRow-1;i++)
  249. {
  250. for(DWORD j=0;j<dwCol-1;j++)
  251. {   a=i*(dwCol)+j;
  252.     b=(i+1)*(dwCol)+j;
  253. c=i*(dwCol)+j+1;
  254. IndexBuffer[k+0]=a;
  255. IndexBuffer[k+1]=b;
  256. IndexBuffer[k+2]=c;
  257. IndexBuffer[k+3]=c;
  258. IndexBuffer[k+4]=b;
  259. IndexBuffer[k+5]=b+1;
  260. k+=6;
  262. }
  263. }
  264.   
  266. m_pIbRiver->Unlock();
  268. float tu=0,tv=-0.5;
  269. m_pD3DDevice->CreateVertexBuffer(dwRow*dwCol*sizeof(VERTEX),D3DUSAGE_SOFTWAREPROCESSING,D3DFVF_VERTEX,D3DPOOL_DEFAULT,&m_pVbRiver,NULL);
  270. m_pVbRiver->Lock(0,dwRow*dwCol*sizeof(VERTEX),(void **)&VertexBuffer,D3DLOCK_DISCARD);
  271. bool flag=true;
  272. for(DWORD i=0;i<dwRow*dwCol;i++)
  273. {
  274. NumOfShareFace[i]=0;
  275. SumOfVertexNormal[i]=D3DXVECTOR3(0,0,0);
  277. VertexBuffer[i].y=y;
  278. VertexBuffer[i].x=m_fcell*(i%dwCol);
  279. VertexBuffer[i].z=m_fcell*(i/dwCol);
  280. tu=((tu+0.025f>1.0f)?(-1.0f):(tu+0.025f)); //tu=-1~1,-1~1,......
  281. if(i%dwCol==0) 
  282. {
  283. tv=((tv+0.025f>1.0f)?(-1.0f):(tv+0.025f));
  284. tu=0;
  285. }
  287. VertexBuffer[i].tu=tu>0?tu:-tu;
  288. VertexBuffer[i].tv=tv>0?tv:-tv;
  289. VertexBuffer[i].tvv=tv;
  290. }
  291. for(DWORD i=0;i<NumOfIndex;i+=3)
  292. {
  293.      Vertex1=IndexBuffer[i];
  294.  Vertex2=IndexBuffer[i+1];
  295.  Vertex3=IndexBuffer[i+2];
  296.  vNormal=GetTriangeNormal(&D3DXVECTOR3(VertexBuffer[Vertex1].x,VertexBuffer[Vertex1].y,VertexBuffer[Vertex1].z),
  297.                       &D3DXVECTOR3(VertexBuffer[Vertex2].x,VertexBuffer[Vertex2].y,VertexBuffer[Vertex2].z),
  298.                               &D3DXVECTOR3(VertexBuffer[Vertex3].x,VertexBuffer[Vertex3].y,VertexBuffer[Vertex3].z));
  299.  NumOfShareFace[Vertex1]++;
  300.  NumOfShareFace[Vertex2]++;
  301.  NumOfShareFace[Vertex3]++;
  303.  SumOfVertexNormal[Vertex1].x+=vNormal.x;
  304.  SumOfVertexNormal[Vertex1].y+=vNormal.y;
  305.  SumOfVertexNormal[Vertex1].z+=vNormal.z;
  307.      SumOfVertexNormal[Vertex2].x+=vNormal.x;
  308.  SumOfVertexNormal[Vertex2].y+=vNormal.y;
  309.  SumOfVertexNormal[Vertex2].z+=vNormal.z;
  311.      SumOfVertexNormal[Vertex3].x+=vNormal.x;
  312.  SumOfVertexNormal[Vertex3].y+=vNormal.y;
  313.  SumOfVertexNormal[Vertex3].z+=vNormal.z;
  315. }
  317. for(DWORD i=0;i<(dwCol*dwRow);i++)
  318. {
  319. vNormal.x=SumOfVertexNormal[i].x/NumOfShareFace[i];
  320. vNormal.y=SumOfVertexNormal[i].y/NumOfShareFace[i];
  321. vNormal.z=SumOfVertexNormal[i].z/NumOfShareFace[i];
  322. D3DXVec3Normalize(&vNormal,&vNormal);
  323. VertexBuffer[i].nx=vNormal.x;
  324.         VertexBuffer[i].ny=vNormal.y;
  325. VertexBuffer[i].nz=vNormal.z;
  326. }
  327.    
  329. m_pVbRiver->Unlock();
  331. }
  333. void CWater::SetTexture()
  334. {
  335. //D3DXCreateTextureFromFile(m_pD3DDevice,"./res/floor.jpg",&m_pTx);
  336. D3DXCreateTextureFromFile(m_pD3DDevice,"./res/water.tga",&m_pTxRiver);
  337. }
  338. void CWater::RenerWater(float Vy)
  339. {   static int kkk=0;
  340. VERTEX * VertexBuffer;
  341. SetMaterial();
  342.    /* m_pD3DDevice->SetRenderState(D3DRS_ALPHABLENDENABLE,FALSE);
  343.    
  344.    // m_pD3DDevice->SetRenderState( D3DRS_ZWRITEENABLE,FALSE);
  345. m_pD3DDevice->SetTexture(0,m_pTx);
  346. m_pD3DDevice->SetStreamSource(0,m_pVb,0,sizeof(VERTEX));
  347. m_pD3DDevice->SetFVF(D3DFVF_VERTEX);
  348. m_pD3DDevice->SetIndices(m_pIb);
  349. m_pD3DDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST,0,0,m_dwRow*m_dwCol,0,(m_dwRow-1)*(m_dwCol-1)*2);*/
  350.     
  351.    /* ZeroMemory(&material,sizeof(material));
  352.     material.Specular.r=0.6f;
  353. material.Specular.g=0.6f;
  354. material.Specular.b=0.6f;
  355. material.Specular.a=0.5f;
  356.     m_pD3DDevice->SetMaterial(&material);*/
  357.    
  358. m_pD3DDevice->SetRenderState(D3DRS_ALPHABLENDENABLE,TRUE);
  359. m_pD3DDevice->SetRenderState(D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
  360. m_pD3DDevice->SetRenderState(D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
  361.     if(Vy<=y)
  362.     m_pD3DDevice->SetRenderState(D3DRS_CULLMODE,D3DCULL_CW);
  363. else
  364.     m_pD3DDevice->SetRenderState(D3DRS_CULLMODE,D3DCULL_CCW);
  365. m_pD3DDevice->SetTexture(0,m_pTxRiver);
  366. m_pD3DDevice->SetStreamSource(0,m_pVbRiver,0,sizeof(VERTEX));
  367. m_pD3DDevice->SetFVF(D3DFVF_VERTEX);
  369.     m_pVbRiver->Lock(0,dwRow*dwCol*sizeof(VERTEX),(void **)&VertexBuffer,D3DLOCK_DISCARD);
  372.     if(kkk==4)
  373. {
  374. for(int i=0;i<dwRow*dwCol;i++)
  375. {
  376.        
  379. VertexBuffer[i].tvv=((VertexBuffer[i].tvv-0.025f<-1.0f)?(1.0f):(VertexBuffer[i].tvv-0.025f));
  384. VertexBuffer[i].tv=VertexBuffer[i].tvv>0?VertexBuffer[i].tvv:-VertexBuffer[i].tvv;
  386. }
  387.     kkk=0;
  388. }
  389. kkk++;
  390. m_pVbRiver->Unlock();
  391. m_pD3DDevice->SetIndices(m_pIbRiver);
  392. m_pD3DDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST,0,0,dwRow*dwCol,0,(dwRow-1)*(dwCol-1)*2);
  394.    // m_pD3DDevice->SetRenderState( D3DRS_CLIPPLANEENABLE ,TRUE);
  395.     m_pD3DDevice->SetRenderState(D3DRS_CULLMODE,D3DCULL_CCW);
  396. //m_pD3DDevice->SetRenderState( D3DRS_ZWRITEENABLE,TRUE);
  397. }
  398. void CWater::Translate()
  399. {
  400. D3DXMATRIX matWorld;
  401. D3DXMatrixTranslation(&matWorld,0.0f,0.0f,0.0f);
  402. m_pD3DDevice->SetTransform(D3DTS_WORLD,&matWorld);
  403. }
  404. /*float CWater::GetHeight(float x,float z)
  405. {
  406.         //x+=m_fcell*m_dwCol;
  407. //z+=m_fcell*m_dwRow;
  410. float rx,rz;
  411. rx=x/m_fcell;
  412. rz=z/m_fcell;
  414. long col1,row1,col2,row2;
  415. float h1,h2,h3,h4,ha,hb;
  416. col1=DWORD(rx);
  417. row1=DWORD(rz);
  419. if(col1>m_dwCol || col1<0 ||row1>m_dwRow || row1<0) return 0;
  420. else 
  421. { //双线性插值法计算
  422. col2=(col1==m_dwCol)?col1:col1+1;
  423. row2=(row1==m_dwRow)?row1:row1+1;
  424. h1=(m_pHeightData[row1*m_dwCol+col1]*m_fHeight/255.0f);
  425. h2=(m_pHeightData[row1*m_dwCol+col2]*m_fHeight/255.0f);
  426. h3=(m_pHeightData[row2*m_dwCol+col1]*m_fHeight/255.0f);
  427. h4=(m_pHeightData[row2*m_dwCol+col2]*m_fHeight/255.0f);
  428. ha=(h2*(rx-col1)+h1*(col2-rx));
  429. hb=(h4*(rx-col1)+h3*(col2-rx));
  430. return (hb*(rz-row1)+ha*(row2-rz));
  433. }
  434. }*/
  435. void CWater::SetMaterial()
  436. {
  437. ZeroMemory(&material,sizeof(material));
  438. material.Diffuse.r=material.Ambient.r=1.0f;
  439. material.Diffuse.g=material.Ambient.g=1.0f;
  440. material.Diffuse.b=material.Ambient.b=1.0f;
  441. material.Diffuse.a=material.Ambient.a=1.0f;
  443. material.Specular.r=0.0f;
  444. material.Specular.g=0.0f;
  445. material.Specular.b=0.0f;
  446. material.Specular.a=0.0f;
  448. material.Emissive.r=0.0f;
  449. material.Emissive.g=0.0f;
  450. material.Emissive.b=0.0f;
  451. material.Emissive.a=0.0f;
  453. m_pD3DDevice->SetMaterial(&material);
  454. }