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GameObjectsList.inl
资源名称：tanksrc.zip　[点击查看]
上传用户：royluo
上传日期：2007-01-05
资源大小：1584k
文件大小：3k
源码类别：

游戏

开发平台：

Visual C++

GameObjectsList.inl：源码内容
  1. /*****************************************************************************
  2. *                                                                             
  3. *   GameObjectsList.inl
  4. *                                                                             
  5. *   Electrical Engineering Faculty - Software Lab                             
  6. *   Spring semester 1998                                                      
  7. *                                                                             
  8. *   Tanks game                                                                
  9. *                                                                             
  10. *   Contents: Inline functions implementations.
  11. *                                                                             
  12. *   Authors: Eran Yariv - 28484475                                           
  13. *            Moshe Zur  - 24070856                                           
  14. *                                                                            
  15. *                                                                            
  16. *   Date: 23/09/98                                                           
  17. *                                                                            
  18. ******************************************************************************/
  19. inline CGameObjectsList::CGameObjectsList ()
  20. {
  21.     m_aArrays[GROUND_LEVEL].Init(1);      // Game board only
  22.     m_aArrays[LOWER_LEVEL].Init(MAX_POSSIBLE_OBJECTS);
  23.     m_aArrays[HIGHER_LEVEL].Init(MAX_POSSIBLE_OBJECTS);
  24.     m_aArrays[SKY_LEVEL].Init(MAX_POSSIBLE_OBJECTS); // Airplanes and game-over objects
  25. }
  28. inline CGameObjectsList::~CGameObjectsList ()
  29. {
  30.     KillList();
  31. }
  33. inline void
  34. CGameObjectsList::KillList ()
  35. {
  36.     for (int i = 0; i < 4; i++)
  37.         m_aArrays[i].Empty();
  38. }
  40. inline void
  41. CGameObjectsList::AddObject (CGameObject *pGameObj)
  42. {
  43.     ASSERT(pGameObj);
  44.     Freeze();
  45.     VERIFY(m_aArrays[pGameObj->GetHeight()].Add(pGameObj));
  46.     Thaw();
  47. }
  49. inline void 
  50. CGameObjectsList::RemoveObject (CGameObject *pGameObj)
  51. {
  52.     ASSERT(pGameObj);
  53.     Freeze();
  54.     VERIFY(m_aArrays[pGameObj->GetHeight()].Remove(pGameObj));
  55.     Thaw();
  56. }
  58. inline int 
  59. CGameObjectsList::GetObjectsCount () const
  60. {
  61.     return  m_aArrays[0].GetObjectsCount() +
  62.             m_aArrays[1].GetObjectsCount() +
  63.             m_aArrays[2].GetObjectsCount() +
  64.             m_aArrays[3].GetObjectsCount();
  65. }
  67. inline LIST_POS
  68. CGameObjectsList::GetHeadPosition ()
  69. {
  70.     LIST_POS lp;
  72.     lp.ind = 0;
  73.     lp.pos = m_aArrays[0].GetHeadPosition();
  75.     return lp;
  76. }
  78. inline CGameObject* 
  79. CGameObjectsList::GetNext (LIST_POS& lp)
  80. {
  81.     if (lp.ind < 0 || lp.ind > 3)
  82.         return NULL;
  84.     CGameObject* RetVal = m_aArrays[lp.ind].GetNext(lp.pos);
  86.     if (! RetVal) {     // We have reached current array's top
  87.         while (++lp.ind < 4)  // Advance to next non-empty array, if possible
  88.         {
  89.             lp.pos = m_aArrays[lp.ind].GetHeadPosition();
  90.             RetVal = m_aArrays[lp.ind].GetNext(lp.pos);
  91.             if (RetVal)
  92.                 // Success
  93.                 return RetVal;
  94.         }
  95.     }
  96.     return RetVal;
  97. }
  99. inline void
  100. CGameObjectsList::Freeze()
  101. {
  102.     m_CS.Lock();
  103. }
  105. inline void
  106. CGameObjectsList::Thaw()
  107. {
  108.     m_CS.Unlock();
  109. }