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GXLinearEntityManager.h

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#ifndef __GXLINEARENTITY
#define __GXLINEARENTITY

#include "GXEntityManager.h"

#include <vector>
using namespace std;



struct SGXLinearEntity
{
        D3DXVECTOR3 vPos;
        float           fBoundingRadius;
        bool            bAssigned;
};


class CGXLinearEntityManager:public IGXEntityManager
{
public:
        CGXLinearEntityManager();
        virtual ~CGXLinearEntityManager();

        virtual int             AddEntity(const D3DXVECTOR3* pPos, 
                                                        const float fBoundingRadius);//returns -1 on error, otherwise returns ID of entity
        virtual bool    DeleteEntity(const int nID);
        virtual void    DeleteAllEntities();
        
        virtual bool    ChangeEntityBoundingRadius(const int nID, const float fNewRadius);
        virtual bool    GetEntityBoundingRadius(const int nID, float *pOut);

        virtual bool    ChangeEntityPosition(const int nID, const D3DXVECTOR3* pNewPos);
        virtual bool    GetEntityPosition(const int nID, D3DXVECTOR3* pOut);



        virtual bool    GetEntitiesInSphere(CGXAutoArray<int>* pOut, 
                                                                                const D3DXVECTOR3* pCenter,
                                                                                const float fRadius);

        virtual bool    SetCollisionManager(IGXCollsionManager* pCollider);

protected:
        
        vector<SGXLinearEntity>         m_Entities;
        IGXCollsionManager*                     m_pCollider;
        UINT                                            m_nAddCalls;//number of times addentity has been called.  Every so ofter, ShrinkToSize is called 
        
        virtual SGXLinearEntity*        GetEntity(const int nID);
        virtual int                                     GetIDOfBlankEntity();//-1 for none
        virtual bool                            CheckCollision(const int nID);
        virtual void                            ShrinkToSize();




};




#endif

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