using UnityEngine;

/// <summary>
/// 一般的挂机AI行为
/// 主要应用为野外挂机行为, 只有根据设定选怪, 根据拥有技能去释放技能
/// </summary>
public class HeroAI_NormalAuto : HeroAI_Auto
{
    private Vector3 m_LockPos;

    public sealed override bool Condition()
    {
        GA_Hero _hero = PlayerDatas.Instance.hero;
        if (_hero == null)
        {
            return false;
        }

        if (_hero.aiHandler.currentType == E_HeroAIType.NormalAuto)
        {
            return true;
        }

        return base.Condition();
    }

    protected sealed override void OnEnter()
    {
        GA_Hero _hero = PlayerDatas.Instance.hero;
        if (_hero == null)
        {
            return;
        }

        m_HandupRange = 50;

        if (PlayerDatas.Instance.baseData.MapID == 31020
         || PlayerDatas.Instance.baseData.MapID == 31030)
        {
            m_HandupRange = 8;
        }

        // 确定顶点挂机的位置
        if (HangUpSetModel.Instance.GetBool(HangUpAutoBoolType.curFixedScreen))
        {
            m_LockPos = _hero.Pos;
        }
    }

    protected sealed override void OnExit() { }

    public sealed override bool IsOver()
    {
        if (base.IsOver())
        {
            return true;
        }

        bool _result = PlayerDatas.Instance.hero.aiHandler.currentType
            != E_HeroAIType.NormalAuto;

        return _result;
    }

    protected sealed override bool OnUpdate()
    {
        GA_Hero _hero = PlayerDatas.Instance.hero;

        if (_hero != null)
        {
            if (HangUpSetModel.Instance.GetBool(HangUpAutoBoolType.curFixedScreen))
            {
                float _distSqrt = MathUtility.DistanceSqrtXZ(m_LockPos, _hero.Pos);

                if (_distSqrt > 100)
                {
                    if (_hero.SelectTarget != null)
                    {
                        if (m_LockTargetSID == _hero.SelectTarget.ServerInstID)
                        {
                            m_LockTargetSID = 0;
                        }
                        _hero.SelectTarget = null;
                    }

                    if (_hero.LockTarget != null)
                    {
                        _hero.SelectTarget = _hero.LockTarget;
                    }
                    else
                    {
                        _hero.MoveToPosition(m_LockPos);
                    }
                }
            }
        }

        return false;
    }

    protected override void OnUserClickSkill(int skillID)
    {
        m_LockPos = PlayerDatas.Instance.hero.Pos;

        base.OnUserClickSkill(skillID);
    }

    protected override void OnActiveInterrupt()
    {
        m_LockPos = PlayerDatas.Instance.hero.Pos;

        base.OnActiveInterrupt();
    }

    protected override void OnClickFloor(Vector3 dest)
    {
        m_LockPos = dest;

        base.OnClickFloor(dest);
    }

    protected sealed override GActorFight SelectTarget()
    {
        if (HangUpSetModel.Instance.GetBool(HangUpAutoBoolType.curFixedScreen))
        {
            return DecideAttackTarget(m_LockPos, 10);
        }
        else
        {
            return DecideAttackTarget(PlayerDatas.Instance.hero.Pos,
                                      m_HandupRange);
        }
    }
}