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game/server/ai_dynamiclink.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:		A link that can be turned on and off.  Unlike normal links
+//				dyanimc links must be entities so they and receive messages.
+//				They update the state of the actual links.  Allows us to save
+//				a lot of memory by not making all links into entities
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef AI_DYNAMICLINK_H
+#define AI_DYNAMICLINK_H
+#pragma once
+
+enum DynamicLinkState_t
+{
+	LINK_OFF = 0,
+	LINK_ON = 1,
+};
+
+class CAI_Link;
+
+//=============================================================================
+//	>> CAI_DynanicLink
+//=============================================================================
+class CAI_DynamicLink : public CServerOnlyEntity
+{
+	DECLARE_CLASS( CAI_DynamicLink, CServerOnlyEntity );
+public:
+	static void					InitDynamicLinks(void);
+	static void					ResetDynamicLinks(void);
+	static void					PurgeDynamicLinks(void);
+	static void 				GenerateControllerLinks();
+
+	static bool					gm_bInitialized;
+
+	static CAI_DynamicLink*		GetDynamicLink(int nSrcID, int nDstID);
+
+	static CAI_DynamicLink*		m_pAllDynamicLinks;		// A linked list of all dynamic link
+	CAI_DynamicLink*			m_pNextDynamicLink;		// The next dynamic link in the list of dynamic links
+
+	int							m_nSrcEditID;			// the node that 'owns' this link
+	int							m_nDestEditID;			// the node on the other end of the link. 
+
+	int							m_nSrcID;				// the node that 'owns' this link
+	int							m_nDestID;				// the node on the other end of the link. 
+	DynamicLinkState_t			m_nLinkState;			// 
+	string_t					m_strAllowUse;			// Only this entity name or classname may use the link
+	bool						m_bInvertAllow;			// Instead of only allowing the m_strAllowUse entity, exclude only it
+	
+	bool						m_bFixedUpIds;
+	bool						m_bNotSaved;
+	int							m_nLinkType;
+
+	void						SetLinkState( void );
+	bool						IsLinkValid( void );
+
+	CAI_Link *					FindLink();
+
+	int							ObjectCaps();
+
+	// ----------------
+	//	Inputs
+	// ----------------
+	void InputTurnOn( inputdata_t &inputdata );
+	void InputTurnOff( inputdata_t &inputdata );
+	DECLARE_DATADESC();
+
+	CAI_DynamicLink();
+	~CAI_DynamicLink();
+};
+
+//=============================================================================
+//	>> CAI_DynanicLinkVolume
+//=============================================================================
+class CAI_DynamicLinkController : public CServerOnlyEntity
+{
+	DECLARE_CLASS( CAI_DynamicLinkController, CServerOnlyEntity );
+public:
+	void GenerateLinksFromVolume();
+
+	// ----------------
+	//	Inputs
+	// ----------------
+	void InputTurnOn( inputdata_t &inputdata );
+	void InputTurnOff( inputdata_t &inputdata );
+	void InputSetAllowed( inputdata_t &inputdata );
+	void InputSetInvert( inputdata_t &inputdata );
+	
+	CUtlVector< CHandle<CAI_DynamicLink> > m_ControlledLinks;
+	DynamicLinkState_t			m_nLinkState;
+	string_t					m_strAllowUse;		// Only this entity name or classname may use the link
+	bool						m_bInvertAllow;		// Instead of only allowing the m_strAllowUse entity, exclude only it
+	bool						m_bUseAirLinkRadius;
+
+	DECLARE_DATADESC();
+};
+
+//=============================================================================
+//=============================================================================
+class CAI_RadialLinkController : public CBaseEntity
+{
+	DECLARE_CLASS( CAI_RadialLinkController, CBaseEntity );
+
+public:
+	void	Spawn();
+	void	Activate();
+	void	PollMotionThink();
+	void	ModifyNodeLinks( bool bMakeStale );
+
+public:
+	float	m_flRadius;
+	Vector	m_vecAtRestOrigin;
+	bool	m_bAtRest;
+
+	DECLARE_DATADESC();
+};
+
+#endif // AI_DYNAMICLINK_H