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3dE.cpp
资源名称：3dexplorerTest.rar　[点击查看]
上传用户：hkb425
上传日期：2007-06-16
资源大小：34191k
文件大小：9k
源码类别：

游戏引擎

开发平台：

Visual C++

3dE.cpp：源码内容
  1. // 3dE.cpp: implementation of the C3dE class.
  2. //
  3. //////////////////////////////////////////////////////////////////////
  5. #include "stdafx.h"
  6. #include "3dE.h"
  7. #include "heightmap.h"
  8. #include "math.h"
  9. #include "audio.h"
  10. #include "imgtext.h"
  11. //////////////////////////////////////////////////////////////////////
  12. // Construction/Destruction
  13. //////////////////////////////////////////////////////////////////////
  14. C3dE::C3dE()
  15. {
  16. m_bAttacked=false;
  17.     m_bAttacking=false;
  19. m_Height=8;
  20. m_baseHeight=255;
  21.     m_eyePos=VERTEX(0,0,0);
  23. m_RotX=0;
  24. m_RotY=180;
  25. m_RotZ=0;
  27. m_RunVector=NORMAL(0,0,0);
  28. m_JumpSpeed=0.4f;
  29. m_Acceleration=0.8f;
  30. m_MaxRunSpeed=1.5f;
  31.     m_Decrease=0.8f;
  32.     m_AirDecrease=0.0001f;
  33. m_Gravity=0.02f;
  34. m_bFlying=false;
  35. m_maxDifferent=2;
  37.     m_YBiasAngle=0;
  38. m_YBias=0;
  39.     m_ZBiasAngle=0;
  40. m_bBiasLeft=true;
  42. m_gunYBias=0;
  43. m_gunZBias=0;
  44. m_gunState=0;
  46. m_maxFOVAngle=60;
  47. m_minFOVAngle=15;
  48. m_curFOVAngle=60;
  49. m_orgFOVAngle=60;
  50. m_bZoomed=false;
  51. m_bZoomOut=false;
  52. m_iZoomAngle=1;
  54. m_mouseSpeed=0.1f;
  55. }
  57. C3dE::~C3dE()
  58. {
  60. }
  61. bool C3dE::Init3dExplorer()
  62. {
  63.     Reset3dExplorerPos();
  64. return true;
  65. }
  66. void C3dE::Reset3dExplorerPos()
  67. {
  68.     m_eyePos.xpos=m_cGS.m_fViewerPosX;
  69.     m_eyePos.zpos=m_cGS.m_fViewerPosZ;
  70.     m_eyePos.ypos=m_cHmap.GetHeight(m_eyePos.xpos,m_eyePos.zpos)+m_Height;
  72. m_baseHeight=m_eyePos.ypos-m_Height;
  73.     m_RotY=m_cGS.m_fViewerRotY;
  74. m_RotX=0;
  75. m_cHmap.m_myHealth=1;
  76. m_bAttacking=false;
  78. m_curFOVAngle=60;
  79. m_orgFOVAngle=60;
  80. m_bZoomed=false;
  81. m_bZoomOut=false;
  82. m_iZoomAngle=10;
  84.     ChangeFOVAngle();
  85.     UpdateHeightmap();
  86. }
  87. void C3dE::ProcessInput()
  88. {
  89. if(m_cHmap.m_myHealth<=0)
  90. {
  91. m_RotX=0;
  92. m_RotY+=0.2f;
  93.      UpdateHeightmap();
  95.         if(m_cHmap.m_myHealth!=-10)
  96. {
  97.             m_cHmap.m_myHealth=-10;
  98. m_iZoomAngle=60;
  99. ChangeFOVAngle();
  100. m_bAttacking=false;
  101.      int sound=SOUND_DEATH_1+rand()%3;
  102. CAudio::SetSoundPos(sound,&m_eyePos);
  103. CAudio::Play(sound,1,false,false);
  104. }
  105.         return;
  106. }
  107.     //////////////////////////////////////////////////////////
  108. /////////////// mouse rotate /////////////////////////////
  109.     m_RotY+=(400-m_cInput.m_mousePosX)*m_mouseSpeed;// /mouse Speed
  110.     m_RotX-=(300-m_cInput.m_mousePosY)*m_mouseSpeed;
  111. // Center mouse
  112. SetCursorPos(400,300);
  113. ///////////////////////////////////////////////////////////
  114. ///////////////  Run //////////////////////////////////////
  115. // Keyboard input
  116. if (m_cInput.m_keys[m_cGS.m_iKeyForward] && (!m_bFlying))
  117. {
  118.         m_RunVector.nz-=m_Acceleration;
  119. if(m_RunVector.nz<-m_MaxRunSpeed)m_RunVector.nz=-m_MaxRunSpeed;
  120. ////////////////Y bias
  121.      if (m_YBiasAngle >= 359)
  122.      m_YBiasAngle = 0;
  123.      else
  124.       m_YBiasAngle+= 8;
  125. m_YBias=sinf(m_YBiasAngle*0.0174533f )/4.0f;
  126. }
  127. else
  128. {
  129. if(! m_cInput.m_keys[m_cGS.m_iKeyBackward] && m_RunVector.nz<0 )
  130. {
  131. if(m_bFlying) m_RunVector.nz+=m_AirDecrease;
  132. else  m_RunVector.nz+=m_Decrease;
  133.     if(m_RunVector.nz>0)m_RunVector.nz=0;
  134.     
  135. }
  136. }
  138. if (m_cInput.m_keys[m_cGS.m_iKeyBackward] && (!m_bFlying))
  139. {
  140.         m_RunVector.nz+=m_Acceleration;
  141. if(m_RunVector.nz>m_MaxRunSpeed)m_RunVector.nz=m_MaxRunSpeed;
  142. }
  143. else
  144. {
  145.     if (! m_cInput.m_keys[m_cGS.m_iKeyForward] && m_RunVector.nz>0)
  146. {
  147. if(m_bFlying) m_RunVector.nz-=m_AirDecrease;
  148. else  m_RunVector.nz-=m_Decrease;
  149.     if(m_RunVector.nz<0)m_RunVector.nz=0;
  150. }
  151. }
  153. if (m_cInput.m_keys[m_cGS.m_iKeyLeft]&& (!m_bFlying))
  154. {
  156.         m_RunVector.nx-=m_Acceleration;
  157. if(m_RunVector.nx<-m_MaxRunSpeed)m_RunVector.nx=-m_MaxRunSpeed;
  158. }
  159. else
  160. {
  161.      if (!m_cInput.m_keys[m_cGS.m_iKeyRight] && m_RunVector.nx<0)
  162. {
  163.             m_RunVector.nx+=m_Decrease;
  164.      if(m_RunVector.nx>0)m_RunVector.nx=0;
  165. }
  166. }
  167. if (m_cInput.m_keys[m_cGS.m_iKeyRight]&& (!m_bFlying) )
  168. {
  170.         m_RunVector.nx+=m_Acceleration;
  171. if(m_RunVector.nx>m_MaxRunSpeed)m_RunVector.nx=m_MaxRunSpeed;
  172. }
  173. else
  174. {
  175.     if (! m_cInput.m_keys[m_cGS.m_iKeyLeft] && m_RunVector.nx>0)
  176. {
  177.             m_RunVector.nx-=m_Decrease;
  178.      if(m_RunVector.nx<0)m_RunVector.nx=0;
  179. }
  180. }
  181.     /////////////////////////////////////////////////////////////////
  182. //////////////////// Jump  //////////////////////////////////////
  183. if (m_cInput.m_keys[m_cGS.m_iKeyJump] && (!m_bFlying))
  184. {
  185.         m_RunVector.ny=m_JumpSpeed;
  186.         m_bFlying=true;
  187. }
  188. /////////////////////////////////////////////////////////////////
  189. //////////////////// Fire ///////////////////////////////////////
  190. static int  mouseStick=0;
  191. static bool bContinue=false;
  192.     if(m_cInput.m_keys[m_cGS.m_iKeyFire] )
  193. {
  194. m_bAttacking=true;
  195. m_gunState=1;
  196.         m_gunZBias+=60;
  198.         mouseStick++;
  199. }
  200. else 
  201. {
  202. m_bAttacking=false;
  203. m_gunYBias+=4;
  204. if(mouseStick>0 && mouseStick<5)
  205. {
  206. CAudio::Play(SOUND_GUN_SINGLE,1,false);
  207. }
  208. mouseStick=0;
  209. bContinue=false;
  210. }
  211. if(mouseStick>=5)
  212. bContinue=true;
  214.     if(bContinue)
  215.     CAudio::Play(SOUND_GUN_MULTI,1,false);
  216. /////////////////////////////////////////////////////////////////
  217. ///////////////////// Zoom //////////////////////////////////////
  218. if(m_cInput.m_keys[m_cGS.m_iKeyZoom])
  219. {
  220. m_cInput.m_keys[m_cGS.m_iKeyZoom]=false;
  221.         if(m_curFOVAngle==m_minFOVAngle)
  222. {
  223. m_iZoomAngle=10;
  224. m_orgFOVAngle=m_maxFOVAngle;
  225. }
  226.         if(m_curFOVAngle==m_maxFOVAngle)
  227. {
  228. m_iZoomAngle=-15;
  229. m_orgFOVAngle=m_minFOVAngle;
  230. }
  231. }
  232. /////////////////////////////////////////////////////////////////
  233. ////////////////////
  234. if (m_cInput.m_keys[VK_NEXT])
  235. {
  236. m_Height+=1;
  237. }
  239. if (m_cInput.m_keys[VK_PRIOR])
  240. {
  241. m_Height-=1;
  242. }
  244.     //////////// backup my position
  245. VERTEX oldPos=m_eyePos;
  246. ///////////////////////////////////////////
  247. /////// Now , Update eyePos
  248. ///////////////////////////////////////////
  249.     m_eyePos.xpos +=m_RunVector.nz*sinf(m_RotY*0.0174533f)+m_RunVector.nx*cosf(m_RotY*0.0174533f);
  250. m_eyePos.ypos +=m_RunVector.ny + m_YBias;
  251. m_eyePos.zpos +=m_RunVector.nz*cosf(m_RotY*0.0174533f)-m_RunVector.nx*sinf(m_RotY*0.0174533f);
  252.     //////// check new position
  254. m_baseHeight=m_eyePos.ypos-m_Height;
  256.     float  newHeight=m_cHmap.GetHeight(&m_eyePos);
  258. if(m_bFlying)
  259. {
  260.         m_RunVector.ny-=m_Gravity;
  261. if(m_baseHeight<newHeight)
  262. {
  263.             m_baseHeight=newHeight;
  264. m_eyePos.ypos=newHeight+m_Height;
  265. m_RunVector.ny=0;
  266.             m_bFlying=false;
  267. }
  268. return;
  269. }
  270. m_baseHeight=newHeight;
  271.     m_eyePos.ypos=m_baseHeight+m_Height;
  274. ///////////////////////////
  275. static int index=0;
  276. static int step=0;
  277.     
  278. if(! m_cHmap.CollideBuilding(&oldPos,&m_eyePos))
  279.     m_cHmap.CollideTreeBody(&m_eyePos) ;
  281. if(m_eyePos.xpos !=oldPos.xpos  || m_eyePos.zpos !=oldPos.zpos) 
  282. {
  283. if(index==0)CAudio::Play(SOUND_RUN_0+step,1,true);
  284. if(m_bZoomed )m_iZoomAngle=15;
  285. }
  286. else
  287. {
  288. // if(m_orgFOVAngle==m_minFOVAngle && !m_bZoomed)m_iZoomAngle=-10; //need ?//????????????
  289. }
  291. index++;
  292. if(index>20)
  293. {
  294. index=0; 
  295. step++;
  296. if(step==4)step=0;
  297. }
  300.     //////////////////////////////
  301. CAudio::SetListenerPos(&m_eyePos,m_RotY);
  302. ChangeFOVAngle();
  303. UpdateHeightmap();
  305. }
  306. void C3dE::TransformWorld(int step)
  307. {
  308. //////////////////////////////////////////
  309. if(step==0)
  310. {
  311. glRotatef(float(m_RotX), 1.0f, 0.0f, 0.0f);  
  312.         glRotatef(float(m_ZBiasAngle), 0.0f, 0.0f, 1.0f);
  313.         glRotatef(360.0f - m_RotY, 0.0f, 1.0f, 0.0f);
  314. glTranslated(0,  0, 0);
  315. }
  316. else
  317. {
  318.       glTranslated(-m_eyePos.xpos, -m_eyePos.ypos, -m_eyePos.zpos);
  319. }
  321. }
  322. void C3dE::UpdateHeightmap()
  323. {
  324. m_cHmap.m_ViewPos.xpos=m_eyePos.xpos;
  325. m_cHmap.m_ViewPos.ypos=m_eyePos.ypos;
  326. m_cHmap.m_ViewPos.zpos=m_eyePos.zpos;
  327. if(m_RotX>=360)m_RotX-=360;
  328. if(m_RotY>=360)m_RotY-=360;
  329. if(m_RotX<0)m_RotX+=360;
  330. if(m_RotY<0)m_RotY+=360;
  331. m_cHmap.m_ViewRotX    =m_RotX;
  332. m_cHmap.m_ViewRotY    =m_RotY;
  334. m_cHmap.m_bAttack=m_bAttacking;
  336.     m_cHmap.UpdateHeightmap();
  337. }
  338. void C3dE::ChangeFOVAngle()
  339. {
  340. if(m_iZoomAngle==0)return;
  341.     m_curFOVAngle+=m_iZoomAngle;
  343. if(m_curFOVAngle>m_maxFOVAngle)
  344. {
  345. m_curFOVAngle=m_maxFOVAngle;
  346. m_iZoomAngle=0;
  347. m_mouseSpeed=0.1f;
  348. m_bZoomed=false;
  349. }
  350. if(m_curFOVAngle<m_minFOVAngle)
  351. {
  352. m_curFOVAngle=m_minFOVAngle;
  353. m_iZoomAngle=0;
  354. m_mouseSpeed=0.02f;
  355. m_bZoomed=true;
  356. }
  358. glViewport(0, 0, CGameSetting::m_iScrWidth, CGameSetting::m_iScrHeight);
  359. glMatrixMode(GL_PROJECTION);
  360. glLoadIdentity();
  361. gluPerspective(m_curFOVAngle,float(CGameSetting::m_iScrWidth)/CGameSetting::m_iScrHeight, 0.5f, 100000);
  362. glMatrixMode(GL_MODELVIEW);
  363. glLoadIdentity();
  365. CImgText::SetViewFOVAngle(m_curFOVAngle/2);
  366. }