sprite.h

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// Sprite.h: interface for the CSprite class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SPRITE_H__C64EA3C5_9B4C_4633_8C96_9D84A5EF475B__INCLUDED_)
#define AFX_SPRITE_H__C64EA3C5_9B4C_4633_8C96_9D84A5EF475B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define ST_KILL 20000
#define ST_DEAD (ST_KILL+1)      

class CSprite  
{
public:
	void Destroy();
	const long& GetType();
	RECT GetBoundingRect(POINT& ptLoc);
	void SetAnimBiDir(bool bIsAnimBiDir = true);
	long m_nID;  // Used to uniquely identify each sprite in the game.
	long m_nPoints;
	void EnableBorder(bool bDraw = false);
	long& GetState();
	void MoveTo(long nX, long nY);
	RECT GetRect();
	void Draw(LPDIRECTDRAWSURFACE7 pdds);
	void Update();
	void MoveTo(POINT ptNewLoc);
	void SetState(long nState, bool bForceState = false);
	bool IsHit(RECT rcRect);

	void AddState(long nState, POINT ptFrame, long nNoOfFrames, long nDelay, RECT* prcBound = NULL,LPTSTR pszSound = NULL, bool bLoopSound = false );
	void CreateSprite(CSurface** pSurface, long nType, long nHeight, long nWidth);
	CSprite();
	virtual ~CSprite();
	
	struct SMovement {
		long m_dx,m_dy;         //移动速度
		long m_nMoveDelay;      //两次移动之间的时间间隔
		long m_nCurrMoveDelay;  
		bool (*m_pfnCollision)(RECT& rcRect); //碰撞函数（函数指针）
		long m_nInvulnerable;   //不死延时计数
		long m_nPathFindDelay;  // 查找路径的延时
		long m_nCurrPathFindDelay;
		void (*m_pfnFindPath)(CSprite* pSprite); //查找路径函数（函数指针）
		
		SMovement():m_pfnFindPath(0),
			m_dx(0), m_dy(0),
			m_pfnCollision(0),
			m_nCurrMoveDelay(0),
			m_nCurrPathFindDelay(0),
			m_nPathFindDelay(0),
			m_nMoveDelay(0),m_nInvulnerable(0) {}
	} m_Movement;
	POINT m_ptLocation;

	void (*m_pfnDead)(CSprite* pSprite);
	// This function is called before Kill state is set
	// if this function return false, then KILL state is
	// not set.
	bool (*m_pfnKill)(CSprite* pSprite);
	
	
	protected:
		bool m_bDrawBorder;
		CSurface** m_ppSurface;   // This surface contains all the sprites.
		long m_nType;
		struct SSTATE {
			long m_nState;               //状态编号
			POINT m_ptFirstFrame;        //第一帧图案在整个集合图像中的位置（x,y）
			long m_nNoOfFrames;          //帧的总数
			long m_nDelay;               //帧延时
			RECT m_rcBounding;           //碰撞检测用的包络矩形
			CSound* m_pSound;            //声效
			bool m_bLoopSound;           //是否循环
			inline bool operator==(const long& nState);
		} m_CurrState;
		struct SAnim {
			bool m_bIsAnimBiDir;       // Sprites are animated from frames 0 to n then n to 0
			bool m_bIsAnimForward;     // The direction of the current animation
			
			long m_nCurrDelay;         //当前帧延时
			long m_nCurrFrame;         //当前帧
			long m_nHeight;            //宽
			long m_nWidth;             //高
			
		} m_Anim;
		
		std::list<SSTATE> m_StateList;   //SSTATE 结构的列表
};

#endif // !defined(AFX_SPRITE_H__C64EA3C5_9B4C_4633_8C96_9D84A5EF475B__INCLUDED_)