/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.

#ifndef CRYINCLUDE_CRYAISYSTEM_COVER_COVERUSER_H
#define CRYINCLUDE_CRYAISYSTEM_COVER_COVERUSER_H
#pragma once


#include "Cover.h"
#include "CoverPath.h"


class CoverUser
{
public:
    CoverUser();

    struct Params
    {
        Params()
            : distanceToCover(0.4f)
            , inCoverRadius(0.3f)
            , userID(0)
        {
        }

        float distanceToCover;
        float inCoverRadius;
        tAIObjectID userID;
    };

    void Reset();
    void ResetState();

    void SetCoverID(const CoverID& coverID);
    const CoverID& GetCoverID() const;

    void SetParams(const Params& params);
    const Params& GetParams() const;

    void Update(float updateTime, const Vec3& pos, const Vec3* eyes, uint32 eyeCount, float minEffectiveCoverHeight = 0.001f);
    void UpdateWhileMoving(float updateTime, const Vec3& pos, const Vec3* eyes, uint32 eyeCount);
    void UpdateNormal(const Vec3& pos);

    bool IsCompromised() const;
    bool IsFarFromCoverLocation() const;
    float CalculateEffectiveHeightAt(const Vec3& pos, const Vec3* eyes, uint32 eyeCount) const;
    float GetLocationEffectiveHeight() const;
    const Vec3& GetCoverNormal() const; // normal pointing out of the cover surface
    Vec3 GetCoverLocation() const;

    void DebugDraw() const;

private:
    bool IsInCover(const Vec3& pos, float radius, const Vec3* eyes, uint32 eyeCount) const;

    CoverID m_coverID;
    CoverID m_nextCoverID;

    float m_locationEffectiveHeight;
    Vec3 m_location;
    Vec3 m_normal;

    bool m_compromised;
    bool m_farFromCoverLocation;

    Params m_params;
};

#endif // CRYINCLUDE_CRYAISYSTEM_COVER_COVERUSER_H