#ifndef CombatSysStateIf_H

#define CombatSysStateIf_H



#include "Entry/LibExportCom.h"

#include "Move/MoveDefinition.h"

#include "Combat/CombatDefinition.h"

#include "Entity/EntityDefinition.h"



class IEvt;

class CombatSysImp;

class IEntity;



/*

*

*	CombatState Interface



*	Combat State:

*	state Peace:		no combat

*	state Ready:		in combat, ready for casting a spell to its target

*	state Casting:		in combat, casting a spell on its target

*	state CoolDown:		in combat, cool down time interval just after a previous spell is casted

*	state Forbidden:	in combat, forbidden to cast a spell

*	state Charging:		in combat, approaching to its target for casting a spell

*/

class TCOM_API  ICombatState

{

public:

	ICombatState()

		:m_nTTL(0),

		m_wpEntity(NULL),

		m_wpCombat(NULL)

	{}

	virtual ~ICombatState(){;}



	//

	//

	void init(CombatSysImp* pCombat, IEntity* pEntity)

	{

		m_wpCombat = pCombat;

		m_wpEntity = pEntity;

	}



	// 

	//	Fire when enter a new state

	//

	virtual void enter() = 0;



	// 

	//	Fire just before leaving a state

	//

	virtual void leave() = 0;



	// 

	//	update in current state

	//

	virtual bool update(int nElapse) = 0;



	// 

	//	onEvent callback in current state

	//

	virtual void onEvent(IEvt& evt) = 0;

protected:

	int				m_nTTL;	//	Time To Live

	CombatSysImp*	m_wpCombat;

	IEntity*		m_wpEntity;

};









#endif // CombatSys_H