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

#ifndef FUNC_LADDER_H
#define FUNC_LADDER_H
#ifdef _WIN32
#pragma once
#endif

#if defined(CLIENT_DLL)
#define CFuncLadder C_FuncLadder
#define CInfoLadderDismount C_InfoLadderDismount
#endif

class CInfoLadderDismount : public CBaseEntity {
   public:
    DECLARE_CLASS(CInfoLadderDismount, CBaseEntity);
    DECLARE_NETWORKCLASS();

    virtual void DrawDebugGeometryOverlays();
};

typedef CHandle<CInfoLadderDismount> CInfoLadderDismountHandle;

// Spawnflags
#define SF_LADDER_DONTGETON \
    1  // Set for ladders that are acting as automount points, but not really
       // ladders

//-----------------------------------------------------------------------------
// Purpose: A player-climbable ladder
//-----------------------------------------------------------------------------
class CFuncLadder : public CBaseEntity {
   public:
    DECLARE_CLASS(CFuncLadder, CBaseEntity);
    DECLARE_NETWORKCLASS();
    DECLARE_DATADESC();

    CFuncLadder();
    ~CFuncLadder();

    virtual void Spawn();

    virtual void DrawDebugGeometryOverlays(void);

    int GetDismountCount() const;
    CInfoLadderDismount *GetDismount(int index);

    void GetTopPosition(Vector &org);
    void GetBottomPosition(Vector &org);
    void ComputeLadderDir(Vector &bottomToTopVec);

    void SetEndPoints(const Vector &p1, const Vector &p2);

    void InputEnable(inputdata_t &inputdata);
    void InputDisable(inputdata_t &inputdata);

    bool IsEnabled() const;

    void PlayerGotOn(CBasePlayer *pPlayer);
    void PlayerGotOff(CBasePlayer *pPlayer);

    virtual void Activate();

    bool DontGetOnLadder(void) const;

    static int GetLadderCount();
    static CFuncLadder *GetLadder(int index);
    static CUtlVector<CFuncLadder *> s_Ladders;

   public:
    void FindNearbyDismountPoints(const Vector &origin, float radius,
                                  CUtlVector<CInfoLadderDismountHandle> &list);
    const char *GetSurfacePropName();

   private:
    void SearchForDismountPoints();

    // Movement vector from "bottom" to "top" of ladder
    CNetworkVector(m_vecLadderDir);

    // Dismount points near top/bottom of ladder, precomputed
    CUtlVector<CInfoLadderDismountHandle> m_Dismounts;

    // Endpoints for checking for mount/dismount
    CNetworkVector(m_vecPlayerMountPositionTop);
    CNetworkVector(m_vecPlayerMountPositionBottom);

    bool m_bDisabled;
    CNetworkVar(bool, m_bFakeLadder);

#if defined(GAME_DLL)
    string_t m_surfacePropName;
    //-----------------------------------------------------
    //	Outputs
    //-----------------------------------------------------
    COutputEvent m_OnPlayerGotOnLadder;
    COutputEvent m_OnPlayerGotOffLadder;

    virtual int UpdateTransmitState();
#endif
};

inline bool CFuncLadder::IsEnabled() const { return !m_bDisabled; }

const char *FuncLadder_GetSurfaceprops(CBaseEntity *pLadderEntity);

#endif  // FUNC_LADDER_H