msglist.h

Visual C++ 游戏开发与设计实例 源代码(所有)

#ifndef _ASIDER_TANK_ALPHA3_MSGLIST_H_
#define _ASIDER_TANK_ALPHA3_MSGLIST_H_

#define MAXLIST			256
#define INCSTEP			32

//-----------------------------------------------------------------------------
// Classes defined in this header file 
//-----------------------------------------------------------------------------
class	CMsgElem;
class	CMsgList;


//-----------------------------------------------------------------------------
// Name: class CMsgList
// Desc: Class to handle messages using List structrue
//-----------------------------------------------------------------------------
class CMsgList
{
	CMsgElem			**m_ppElems;

	int					m_nSize;
	int					m_nHead;
	int					m_nTail;
	int					m_nTotal;
	int					m_nMax;

	bool				m_bSync;
 
public:
    CMsgList();
    ~CMsgList();

    // Access functions
	void		Lock();
	void		UnLock();
	int			GetSize()		{ return m_nSize; }
	int			GetRemain()		{ return m_nTotal; }
	void		SetMax( int max )	{ m_nMax = max; }

    // Status functions
	bool		IsSync()		{ return m_bSync; }
	bool		IsFull()		{ return m_nTotal == m_nSize; }
	bool		IsEmpty()		{ return m_nTotal == 0; }
	bool		NotInit()		{ return m_ppElems == NULL; }
  
    // Creation/destruction methods
	bool		CreatMsgList( unsigned int	size, bool sync );
	void		DestroyList();
    
	// List methods
	CMsgElem	*Peek();
	CMsgElem	*Pop();
	bool		Push( const CMsgElem *pelem );
	bool		EnlargeSize();

};



//-----------------------------------------------------------------------------
// Name: class CMsgElem
// Desc: Class to store a message's infomations
//-----------------------------------------------------------------------------
class CMsgElem
{
	friend class CMsgList;

protected:
	int				m_nMsg;
	DWORD			m_dwMsgType;
	
	char			*m_psBuffer;
	int				m_nParamSize;

public:
    CMsgElem();
    ~CMsgElem();

    // Access functions
	int			GetMsg()				{ return m_nMsg; }
	DWORD		GetMsgType()			{ return m_dwMsgType; }
	int			GetParamSize()			{ return m_nParamSize; }
	LPCSTR		GetParam()				{ return m_psBuffer; }

    // Status functions
	bool		IsParamAvailable()		{ return m_nParamSize>0; }

    // Creation/destruction methods
	bool		CreateMsgElem( int msg, LPCSTR param,int size, DWORD type );
	bool		CreateMsgElemFromBuf( LPCSTR buf, int &size, DWORD type );

	// Methods

};


#endif //_ASIDER_TANK_ALPHA3_MSGLIST_H_