#pragma once


class IFlyTargetableObject
{
	friend class CFlyTarget;
public:
	IFlyTargetableObject() {}
	virtual ~IFlyTargetableObject() {}

	virtual D3DXVECTOR3 OnGetFlyTargetPosition() = 0;
	virtual void OnShootDamage() = 0;

protected:
	inline void ClearFlyTargeter();
private:
	std::set<CFlyTarget*> m_FlyTargeterSet;
	inline void AddFlyTargeter(CFlyTarget* pTargeter)
	{
		//if (m_FlyTargeterSet.find(pTargeter)!=m_FlyTargeterSet.end())
		m_FlyTargeterSet.insert(pTargeter);
	}
	inline void RemoveFlyTargeter(CFlyTarget* pTargeter)
	{
		//if (m_FlyTargeterSet.find(pTargeter)!=m_FlyTargeterSet.end())
		m_FlyTargeterSet.erase(pTargeter);
	}
};

class CFlyTarget // final
{
public:
	enum EType
	{
		TYPE_NONE,
		TYPE_OBJECT,
		TYPE_POSITION,
	};

public:
	CFlyTarget();
	CFlyTarget(IFlyTargetableObject * pFlyTarget);	
	CFlyTarget(const D3DXVECTOR3& v3FlyTargetPosition);		
	CFlyTarget(const CFlyTarget& rhs);
	virtual ~CFlyTarget();
	
	void Clear();
	bool IsObject();
	bool IsPosition();
	bool IsValidTarget();
	void NotifyTargetClear();

	const D3DXVECTOR3 & GetFlyTargetPosition() const;	
	EType GetType();

	IFlyTargetableObject * GetFlyTarget();

	CFlyTarget & operator = (const CFlyTarget & rhs);
	void GetFlyTargetData(CFlyTarget * pFlyTarget);

private:
	void __Initialize();
		
private:
	mutable D3DXVECTOR3 m_v3FlyTargetPosition;
	IFlyTargetableObject * m_pFlyTarget;

	EType m_eType;
};

inline void IFlyTargetableObject::ClearFlyTargeter()
{
	std::set<CFlyTarget*>::iterator it;
	for(it = m_FlyTargeterSet.begin();it!=m_FlyTargeterSet.end();++it)
	{
		(*it)->NotifyTargetClear();
	}
	m_FlyTargeterSet.clear();
}