using Games.LogicObj;
using GCGame.Table;
using Module.Log;
using UnityEngine;
/// <summary>
///     模型材质属性随生命值修改
///     Effect.txt 表格扩展参数说明
///     Param1 ：EffectParam.txt中id值  身体材质属性相关配置
///     Param2 ：EffectParam.txt中id值  右武器材质属性相关配置
///     Param3 ：EffectParam.txt中id值  左武器材质属性相关配置
///     Param4 ：EffectParam.txt中id值  动画曲线id
/// 
///     EffectParams 参考ChangeMatPro
/// </summary>
public class Impact_MatProByHealth : ImpactEffectBase
{
    private ChangeMatPro _materialPropertyMod;
    private AnimationCurve _animationCurve;
    private Obj_Character _character;
    private float? _lastRatio;
    public override EffectLogic.EffectType ImpactEffectType
    {
        get { return EffectLogic.EffectType.TYPE_MATPROBYHEALTH; }
    }
    // Hack重用ChangeMatPro类型。直接添加SetRatio的接口，不走Update流程来控制当前实际效果
    public override void StartEffect()
    {
        base.StartEffect();
        if (objCharacter != null && Data != null)
        {
            var character = objCharacter as Obj_Character;
            if (character == null)
                LogModule.ErrorLog(string.Format("试图为非角色Obj {0}添加{1}类型的Impact！", objCharacter.name, ImpactEffectType));
            else
            {
                _character = character;
                var paramid = Data.GetParamValuebyIndex(bodyPart);
                var param = TableManager.GetEffectParamByID(paramid, 0);
                if (param != null && _materialPropertyMod == null)
                {
                    var animationId = Data.GetParamValuebyIndex(3);
                    _animationCurve = CommonUtility.GetAnimationCurveById(animationId);
                    _materialPropertyMod = new ChangeMatPro(objCharacter, BodyToModelPart(bodyPart), param);
                    _materialPropertyMod.Start(param, float.PositiveInfinity);
                }
            }
        }
    }

    public override void StopEffect()
    {
        base.StopEffect();
        if (_materialPropertyMod != null)
            _materialPropertyMod.StopEffect();
    }
    
    protected override void UpdateInherited()
    {
        if (_character != null && _character.BaseAttr != null && _materialPropertyMod != null)
        {
            var ratio = (float)_character.BaseAttr.HP / _character.BaseAttr.MaxHP;
            ratio = Mathf.Clamp01(ratio);
            ratio = _animationCurve.Evaluate(ratio);
            if (ratio != _lastRatio)
            {
                _lastRatio = ratio;
                _materialPropertyMod.SetRatio(ratio);
            }
        }
    }
}