//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//

#ifndef AI_LOCALNAVIGATOR_H
#define AI_LOCALNAVIGATOR_H

#include "ai_component.h"
#include "ai_movetypes.h"
#include "ai_obstacle_type.h"
#include "simtimer.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