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GameObject.h
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：8k
源码类别：
游戏
开发平台：
Visual C++
- /*****************************************************************************
- *
- * GameObject.h
- *
- * Electrical Engineering Faculty - Software Lab
- * Spring semester 1998
- *
- * Tanks game
- *
- * Module description: Implements the game object class hierarchy.
- *
- *
- * Authors: Eran Yariv - 28484475
- * Moshe Zur - 24070856
- *
- *
- * Date: 23/09/98
- *
- ******************************************************************************/
- #ifndef _GAME_OBJECT_H
- #define _GAME_OBJECT_H
- #include <ImageManager.h>
- #include <GameConsts.h>
- #include <Reaction.h>
- class CGameObjectsList; // Pre-declaration
- typedef struct {
- double dXDir, dYDir;
- } DirectionType;
- typedef struct {
- double dXPos, dYPos;
- } PrecisePosType;
- typedef enum {STATE_DEAD, STATE_ALIVE} StateType;
- typedef enum {TANK, BOARD, SHELL,
- BULLET, MINE, BOMB,
- BOMBER, BONUS, GAMEOVER} GameObjectType;
- typedef enum {GROUND_LEVEL, // Add object at ground level (lowest) - there's room for only one object there.
- LOWER_LEVEL, // Add object above ground level
- HIGHER_LEVEL, // Add object above lower level
- SKY_LEVEL // Add object at sky level (highest) - there's room for only one object there.
- } ObjectHeightType;
- class CGameObject : public CObject
- {
- public:
- typedef enum { X_FULL_IN_MAP = 0x01, // Map fully contains the object in the X axis
- X_PARTIAL_IN_MAP = 0x02, // Map partailly contains the object in the X axis
- X_NOT_IN_MAP = 0x04, // Map doesn't contains the object in the X axis
- Y_FULL_IN_MAP = 0x08, // Map fully contains the object in the Y axis
- Y_PARTIAL_IN_MAP = 0x10, // Map partailly contains the object in the Y axis
- Y_NOT_IN_MAP = 0x20 // Map doesn't contains the object in the Y axis
- } MapPositionFlags;
- CGameObject ();
- void SetPos (UINT uXPos, UINT uYPos);
- void SetSize (UINT uXSize, UINT uYSize);
- virtual ~CGameObject () {}
- virtual StateType CalcState (DWORD dwCurTime) = 0;
- virtual CPoint & GetPos();
- virtual ObjectHeightType GetHeight() = 0;
- virtual HIMAGE GetImage() = 0;
- virtual CReaction React(CGameObject *pTo) = 0;
- virtual GameObjectType GetType() = 0;
- virtual void Kill();
- virtual CRect & GetUpdateRectangle();
- virtual CSize & GetDimensions();
- // This method is here only for the tank objects:
- virtual UINT GetID ();
- BOOL HasImageChanged ();
- BYTE GetSector(); // Gets sector on map
- BYTE GetPosCheckSum(); // Get position packed into a byte
- // Returns bits representing flags from MapPositionFlags
- WORD GetMapPosition (CPoint &pos);
- void SetListPosition (POSITION);
- POSITION GetListPosition ();
- void SetArrayPosition (CGameObject**);
- CGameObject** GetArrayPosition ();
- BOOL CollidesWith (CGameObject *);
- BOOL CollidesWith (CGameObject* pOtherObj, CRect& MyRect);
- protected:
- CPoint m_Pos; // Object position
- CSize m_Size; // Object size
- POSITION m_ListPosition; // Object position in objects list
- CGameObject** m_ppArrayPosition; // Object position in objects array
- CRect m_UpdateRect; // Update rectangle
- BOOL m_bImageChanged; // Indicate a change in display
- BOOL BitMaskCollides (CRect& IntersectRect, CPoint& myPos, CPoint& otherPos,
- CBitMask* myBitMask, CBitMask* otherBitMask);
- // The following refrences are shortcuts to global structures:
- CImageManager &m_GlobalImageManager;
- CGameObjectsList &m_GlobalObjsList;
- };
- /* ------------------------- Moving object ------------------------- */
- class CMovingGameObject : virtual public CGameObject
- {
- public:
- CMovingGameObject (UINT uXPos, UINT uYPos, UINT uXSize, UINT uYSize,
- UINT uDirectionIndex = 12,
- double dVelocity = 0.0);
- virtual ~CMovingGameObject () {}
- // Calculates new position. Returns move distance (squared) or -1 if out of map
- int CalcNewPos(DWORD dwCurTime, BOOL bMustBeFullyInMap = TRUE);
- void SaveMovement ();
- void UndoMovement ();
- void StopMovement ();
- virtual CRect & GetUpdateRectangle();
- void SetNewPos (CPoint &);
- void SetNewPos (int x, int y);
- protected:
- UINT m_uDirectionIndex; // Direction in m_dDirectionsArr
- static const DirectionType m_dDirectionsArr[]; // all possible directions
- DWORD m_uLastTick; // Holds the last time tick the tank state was updated
- double m_dVelocity; // Velocity in pixels per second
- BOOL CalcPosAtTime (CPoint &StartPos,
- DWORD dwTimeGap,
- CPoint &ResPos,
- BOOL bMustBeFullyInMap = TRUE);
- private:
- PrecisePosType m_PrecPos, // Precise position
- m_PrecPosCopy, // Copy of precise position (for SaveMovement / UndoMovement)
- m_PrevPrecPos, // Previous precise position
- m_PrevPrecPosCopy; // Copy of previous precise position (for SaveMovement / UndoMovement)
- CPoint m_PosCopy; // Copy of integer position
- static const double m_cdThousandth; // Constant 1/1000 - for faster calcs.
- };
- /* ------------------------- Exploding object ------------------------- */
- class CExplodingGameObject : virtual public CGameObject
- {
- public:
- CExplodingGameObject (UINT uXPos, UINT uYPos, UINT uXSize, UINT uYSize,
- UINT uMaxIntensity,
- CImageManager::ImageType uExplosionImageIndex,
- BOOL InitiallyExploding = FALSE);
- virtual ~CExplodingGameObject() {}
- virtual HIMAGE GetImage();
- virtual CRect & GetUpdateRectangle();
- UINT CalcRelativeExplosionIntensity (CGameObject *pOtherObject, UINT MinRadius, UINT MaxRadius);
- void Explode (); // Set explosion to true and switch image
- BOOL IsExplosionOver (); // Are we exploding and after last frame ?
- BOOL CheckAndSetTankNotification (UINT uTankID); // TankID = 0..3
- protected:
- BOOL m_bIsExploding, // Are we exploding now ?
- m_bNotifiedTanks[MAX_TANKS]; // What tanks did we hit already?
- HIMAGE m_himgExplode, // Explosion image
- *m_pCurImage; // Current image
- UINT m_uMaxIntensity; // Maximal intensity
- };
- // Inline sections:
- #include <GameObject.inl>
- #endif
