Cielonos/Assets/Opsive/BehaviorDesigner/Add-Ons/CielonosPack/Conditionals/CheckAttribute.cs

using Opsive.BehaviorDesigner.Runtime.Tasks;
using Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals;
using Opsive.GraphDesigner.Runtime.Variables;
using Opsive.Shared.Utility;
using UnityEngine;

namespace Cielonos.MainGame.Characters.AI
{
    [Category("Cielonos")]
    [Description("检查一个属性是否满足条件")]
    public class CheckAttribute : AutomataConditionalBase
    {
        private AttributeSubmodule attributeSm;
        
        public string attributeName;
        public bool isBiggerThan;
        public SharedVariable<float> biggerThanValue;
        public bool isSmallerThan;
        public SharedVariable<float> smallerThanValue;
        public bool isEqual;
        public SharedVariable<float> equalValue;
        private float tolerance = 1e-5f;

        public override void OnAwake()
        {
            base.OnAwake();
            attributeSm = self.attributeSm;
        }

        public override TaskStatus OnUpdate()
        {
            float attributeValue = attributeSm[attributeName];
            
            if (isBiggerThan && attributeValue <= biggerThanValue.Value)
            {
                return TaskStatus.Failure;
            }
            
            if (isSmallerThan && attributeValue >= smallerThanValue.Value)
            {
                return TaskStatus.Failure;
            }
            
            if (isEqual && Mathf.Abs(attributeValue - equalValue.Value) > tolerance)
            {
                return TaskStatus.Failure;
            }
            
            return TaskStatus.Success;
        }
    }
}