class CBaseEntity : public IServerEntity
{
public:
	DECLARE_CLASS_NOBASE( CBaseEntity );	

	//----------------------------------------
	// Class vars and functions
	//----------------------------------------
	static inline void Debug_Pause(bool bPause);
	static inline bool Debug_IsPaused(void);
	static inline void Debug_SetSteps(int nSteps);
	static inline bool Debug_ShouldStep(void);
	static inline bool Debug_Step(void);

	static bool				m_bInDebugSelect;
	static int				m_nDebugPlayer;

protected:

	static bool				m_bDebugPause;		// Whether entity i/o is paused for debugging.
	static int				m_nDebugSteps;		// Number of entity outputs to fire before pausing again.

	static bool				sm_bDisableTouchFuncs;	// Disables PhysicsTouch and PhysicsStartTouch function calls
public:
	static bool				sm_bAccurateTriggerBboxChecks;	// SOLID_BBOX entities do a fully accurate trigger vs bbox check when this is set

public:
	// If bServerOnly is true, then the ent never goes to the client. This is used
	// by logical entities.
	CBaseEntity( bool bServerOnly=false );
	virtual ~CBaseEntity();

	// prediction system
	DECLARE_PREDICTABLE();
	// network data
	DECLARE_SERVERCLASS();
	// data description
	DECLARE_DATADESC();
	
	// memory handling
    void *operator new( size_t stAllocateBlock );
    void *operator new( size_t stAllocateBlock, int nBlockUse, const char *pFileName, int nLine );
	void operator delete( void *pMem );
	void operator delete( void *pMem, int nBlockUse, const char *pFileName, int nLine ) { operator delete(pMem); }

	// Class factory
	static CBaseEntity				*CreatePredictedEntityByName( const char *classname, const char *module, int line, bool persist = false );

// IHandleEntity overrides.
public:
	virtual void			SetRefEHandle( const CBaseHandle &handle );
	virtual const			CBaseHandle& GetRefEHandle() const;

// IServerUnknown overrides
	virtual ICollideable	*GetCollideable();
	virtual IServerNetworkable *GetNetworkable();
	virtual CBaseEntity		*GetBaseEntity();

// IServerEntity overrides.
public:
	virtual void			SetModelIndex( int index );
	virtual int				GetModelIndex( void ) const;
 	virtual string_t		GetModelName( void ) const;

public:
	// virtual methods for derived classes to override
	virtual bool			TestCollision( const Ray_t& ray, unsigned int mask, trace_t& trace );
	virtual	bool			TestHitboxes( const Ray_t &ray, unsigned int fContentsMask, trace_t& tr );
	virtual void			ComputeWorldSpaceSurroundingBox( Vector *pWorldMins, Vector *pWorldMaxs );

	// non-virtual methods. Don't override these!
public:
	// An inline version the game code can use
	CCollisionProperty		*CollisionProp();
	const CCollisionProperty*CollisionProp() const;
	CServerNetworkProperty *NetworkProp();
	const CServerNetworkProperty *NetworkProp() const;

	bool					IsCurrentlyTouching( void ) const;
	const Vector&			GetAbsOrigin( void ) const;
	const QAngle&			GetAbsAngles( void ) const;

	SolidType_t				GetSolid() const;
	int			 			GetSolidFlags( void ) const;

	int						GetEFlags() const;
	void					SetEFlags( int iEFlags );
	void					AddEFlags( int nEFlagMask );
	void					RemoveEFlags( int nEFlagMask );
	bool					IsEFlagSet( int nEFlagMask ) const;

	// Quick way to ask if we have a player entity as a child anywhere in our hierarchy.
	void					RecalcHasPlayerChildBit();
	bool					DoesHavePlayerChild();

	bool					IsTransparent() const;

	void					SetNavIgnore( float duration = FLT_MAX );
	void					ClearNavIgnore();
	bool					IsNavIgnored() const;

	// Is the entity floating?
	bool					IsFloating();

	// Called by physics to see if we should avoid a collision test....
	virtual	bool			ShouldCollide( int collisionGroup, int contentsMask ) const;

	// Move type / move collide
	MoveType_t				GetMoveType() const;
	MoveCollide_t			GetMoveCollide() const;
	void					SetMoveType( MoveType_t val, MoveCollide_t moveCollide = MOVECOLLIDE_DEFAULT );
	void					SetMoveCollide( MoveCollide_t val );

	// Returns the entity-to-world transform
	matrix3x4_t				&EntityToWorldTransform();
	const matrix3x4_t		&EntityToWorldTransform() const;

	// Some helper methods that transform a point from entity space to world space + back
	void					EntityToWorldSpace( const Vector &in, Vector *pOut ) const;
	void					WorldToEntitySpace( const Vector &in, Vector *pOut ) const;

	// This function gets your parent's transform. If you're parented to an attachment,
	// this calculates the attachment's transform and gives you that.
	//
	// You must pass in tempMatrix for scratch space - it may need to fill that in and return it instead of 
	// pointing you right at a variable in your parent.
	matrix3x4_t&			GetParentToWorldTransform( matrix3x4_t &tempMatrix );

	// Externalized data objects ( see sharreddefs.h for DataObjectType_t )
	bool					HasDataObjectType( int type ) const;
	void					AddDataObjectType( int type );
	void					RemoveDataObjectType( int type );

	void					*GetDataObject( int type );
	void					*CreateDataObject( int type );
	void					DestroyDataObject( int type );
	void					DestroyAllDataObjects( void );

	// virtual methods; you can override these
public:
	// Owner entity.
	// FIXME: These are virtual only because of CNodeEnt
	CBaseEntity				*GetOwnerEntity() const;
	virtual void			SetOwnerEntity( CBaseEntity* pOwner );
	void					SetEffectEntity( CBaseEntity *pEffectEnt );
	CBaseEntity				*GetEffectEntity() const;

	// Only CBaseEntity implements these. CheckTransmit calls the virtual ShouldTransmit to see if the
	// entity wants to be sent. If so, it calls SetTransmit, which will mark any dependents for transmission too.
	virtual int				ShouldTransmit( const CCheckTransmitInfo *pInfo );

	// update the global transmit state if a transmission rule changed
		    int				SetTransmitState( int nFlag);
			int				GetTransmitState( void );
	int						DispatchUpdateTransmitState();
	
	// Do NOT call this directly. Use DispatchUpdateTransmitState.
	virtual int				UpdateTransmitState();
	
	// Entities (like ropes) use this to own the transmit state of another entity
	// by forcing it to not call UpdateTransmitState.
	void					IncrementTransmitStateOwnedCounter();
	void					DecrementTransmitStateOwnedCounter();

	// This marks the entity for transmission and passes the SetTransmit call to any dependents.
	virtual void			SetTransmit( CCheckTransmitInfo *pInfo, bool bAlways );

	// This function finds out if the entity is in the 3D skybox. If so, it sets the EFL_IN_SKYBOX
	// flag so the entity gets transmitted to all the clients.
	// Entities usually call this during their Activate().
	// Returns true if the entity is in the skybox (and EFL_IN_SKYBOX was set).
	bool					DetectInSkybox();

	// Returns which skybox the entity is in
	CSkyCamera				*GetEntitySkybox();

	bool					IsSimulatedEveryTick() const;
	bool					IsAnimatedEveryTick() const;
	void					SetSimulatedEveryTick( bool sim );
	void					SetAnimatedEveryTick( bool anim );

public:

	virtual const char	*GetTracerType( void );

	// returns a pointer to the entities edict, if it has one.  should be removed!
	inline edict_t			*edict( void )			{ return NetworkProp()->edict(); }
	inline const edict_t	*edict( void ) const	{ return NetworkProp()->edict(); }
	inline int				entindex( ) const		{ return m_Network.entindex(); };
	inline int				GetSoundSourceIndex() const		{ return entindex(); }

	// These methods encapsulate MOVETYPE_FOLLOW, which became obsolete
	void FollowEntity( CBaseEntity *pBaseEntity, bool bBoneMerge = true );
	void StopFollowingEntity( );	// will also change to MOVETYPE_NONE
	bool IsFollowingEntity();
	CBaseEntity *GetFollowedEntity();

	// initialization
	virtual void Spawn( void );