80 lines
2.7 KiB
C#
80 lines
2.7 KiB
C#
using Opsive.BehaviorDesigner.Runtime.Tasks;
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using Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals;
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using Opsive.GraphDesigner.Runtime.Variables;
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using Opsive.Shared.Utility;
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using UnityEngine;
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namespace Cielonos.MainGame.Characters.AI
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{
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public enum AttributeCompareMode
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{
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Value,
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Percentage
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}
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[Category("Cielonos")]
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[Description("检查一个属性是否满足条件")]
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public class CheckAttribute : AutomataConditionalBase
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{
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private AttributeSubmodule attributeSm;
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[Tooltip("检查的属性名，例如 Health")]
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public string attributeName;
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[Tooltip("比较模式：数值或百分比")]
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public AttributeCompareMode compareMode = AttributeCompareMode.Value;
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[Tooltip("百分比比较时作为分母的属性名。留空时默认使用 Maximum + attributeName (例如 MaximumHealth)")]
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public string percentBaseAttribute;
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public bool isBiggerThan;
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public SharedVariable<float> biggerThanValue;
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public bool isSmallerThan;
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public SharedVariable<float> smallerThanValue;
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public bool isEqual;
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public SharedVariable<float> equalValue;
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private float tolerance = 1e-5f;
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public override void OnAwake()
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{
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base.OnAwake();
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attributeSm = self.attributeSm;
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}
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public override TaskStatus OnUpdate()
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{
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float attributeValue = attributeSm[attributeName];
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float compareBiggerValue = biggerThanValue.Value;
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float compareSmallerValue = smallerThanValue.Value;
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float compareEqualValue = equalValue.Value;
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if (compareMode == AttributeCompareMode.Percentage)
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{
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string baseAttr = string.IsNullOrEmpty(percentBaseAttribute) ? "Maximum" + attributeName : percentBaseAttribute;
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float baseValue = attributeSm[baseAttr];
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// 使用逆运算进行比较，防止分母为 0 导致浮点数异常
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compareBiggerValue = baseValue * compareBiggerValue;
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compareSmallerValue = baseValue * compareSmallerValue;
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compareEqualValue = baseValue * compareEqualValue;
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}
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if (isBiggerThan && attributeValue <= compareBiggerValue)
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{
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return TaskStatus.Failure;
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}
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if (isSmallerThan && attributeValue >= compareSmallerValue)
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{
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return TaskStatus.Failure;
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}
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if (isEqual && Mathf.Abs(attributeValue - compareEqualValue) > tolerance)
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{
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return TaskStatus.Failure;
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}
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return TaskStatus.Success;
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}
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}
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} |