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game/server/ai_localnavigator.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+//=============================================================================//
+
+#ifndef AI_LOCALNAVIGATOR_H
+#define AI_LOCALNAVIGATOR_H
+
+#include "simtimer.h"
+#include "ai_component.h"
+#include "ai_movetypes.h"
+#include "ai_obstacle_type.h"
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+class CAI_PlaneSolver;
+class CAI_MoveProbe;
+
+//-----------------------------------------------------------------------------
+// CAI_LocalNavigator
+//
+// Purpose: Handles all the immediate tasks of navigation, independent of
+//			path. Implements steering.
+//-----------------------------------------------------------------------------
+
+class CAI_LocalNavigator : public CAI_Component,
+						   public CAI_ProxyMovementSink
+{
+public:
+	CAI_LocalNavigator(CAI_BaseNPC *pOuter);
+	virtual ~CAI_LocalNavigator();
+
+	void Init( IAI_MovementSink *pMovementServices );
+
+	//---------------------------------
+	
+	AIMoveResult_t		MoveCalc( AILocalMoveGoal_t *pResult, bool bPreviouslyValidated = false );
+	void				ResetMoveCalculations();
+
+	//---------------------------------
+	
+	void 				AddObstacle( const Vector &pos, float radius, AI_MoveSuggType_t type = AIMST_AVOID_OBJECT );
+	bool				HaveObstacles();
+
+protected:
+
+	AIMoveResult_t		MoveCalcRaw( AILocalMoveGoal_t *pResult, bool bOnlyCurThink );
+	bool 				MoveCalcDirect( AILocalMoveGoal_t *pMoveGoal, bool bOnlyCurThink, float *pDistClear, AIMoveResult_t *pResult );
+	bool 				MoveCalcSteer(  AILocalMoveGoal_t *pMoveGoal, float distClear, AIMoveResult_t *pResult );
+	bool		 		MoveCalcStop( AILocalMoveGoal_t *pMoveGoal, float distClear, AIMoveResult_t *pResult );
+
+	CAI_MoveProbe *		GetMoveProbe()		  { return m_pMoveProbe; }
+	const CAI_MoveProbe *GetMoveProbe() const { return m_pMoveProbe; }
+
+private:
+
+	// --------------------------------
+
+	bool				m_fLastWasClear;
+	AILocalMoveGoal_t	m_LastMoveGoal;
+	CSimpleSimTimer		m_FullDirectTimer;
+	
+	CAI_PlaneSolver *	m_pPlaneSolver;
+	CAI_MoveProbe *		m_pMoveProbe;
+
+	DECLARE_SIMPLE_DATADESC();
+};
+
+#endif // AI_LOCALNAVIGATOR_H