#ifndef		__ENTITY_MANAGER_BASE_

#define		__ENTITY_MANAGER_BASE_





#include "EntityManagerIf.h"



//

//	Entity Manager

//	

//

class TCOM_API  EntityManager : public IEntityManager

{

public:

	EntityManager(bool bLoad = true);

	virtual	~EntityManager()	{}



	virtual IEntity*	getEntity(int nID);



	//

	//	add/remove entities

	//

	//	add/remove entities

	//

	virtual bool	addEntity(int nID, IEntity*  e);

	virtual bool	addEntity(int nID, IEntityBuilder* b);

	virtual bool	rmvEntity(int nID, IEntity*& e);



	//

	//	visit all entities in current manager

	//

	virtual void	forEach(IEntityVisitor& v);

public:

	//

	//	for gene host

	//

	//	add/remove gene to gene host

	//	Note that gene is organized by group id in gene

	//

	virtual bool addGene(IGeneCreateData* pDynamicData);

	virtual	bool addGene(IGene*);

	virtual bool rmvGene(int nGrpID);



	//

	//	register/unregister an gene event to gene host

	//	gene host will broadcast gene event only to those who has already registered it

	//

	virtual bool	addRegEvt(int nEvtGrp, int nEvt, IGene* pGene);

	virtual bool	rmvRegEvt(int nEvtGrp, int nEvt, IGene* pGene);



	//

	//	fire an gene event to all registered gene on current host

	//	

	virtual bool onEvent(IEvt& evt);

private:

	bool	m_bLoad;// load entity when adding



	typedef stdext::hash_map<int, IEntity*>	EntityMap;

	EntityMap				m_theEntities;

};



#endif