81 lines
2.9 KiB
C#
81 lines
2.9 KiB
C#
using Opsive.BehaviorDesigner.Runtime.Tasks;
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using Opsive.GraphDesigner.Runtime.Variables;
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using Opsive.GraphDesigner.Runtime;
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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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[Description("检查 AI 是否在近期收到了特定的上下文事件。极度稳定，完美支持BD下沉式条件打断(Conditional Aborts)。")]
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[NodeIcon("e6fc90c130121da4f9067b5e15b02975", "69959064b54a0cb4cb077dbb6967a3e1")]
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[Category("Cielonos/Events")]
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public class HasReceivedContextEvent : AutomataConditionalBase
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{
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[Tooltip("订阅的事件名称")]
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public SharedVariable<string> eventName;
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[Tooltip("事件判定的有效窗口期（秒）。超出此时长的事件将被视为过期无视。")]
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public float validWindow = 0.2f;
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[RequireShared] public SharedVariable storedValue1;
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[RequireShared] public SharedVariable storedValue2;
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[RequireShared] public SharedVariable storedValue3;
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public override void OnStart()
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{
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base.OnStart();
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if (behaviorSc != null && behaviorSc.EventMemory.TryGetValue(eventName.Value, out var e))
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{
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if (!e.IsValid(validWindow))
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{
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// 如果在条件开始时就已经有事件了，但它已经过期了，那就直接丢掉它，免得后续一直误触发。
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behaviorSc.EventMemory.Remove(eventName.Value);
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}
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}
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}
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public override TaskStatus OnUpdate()
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{
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if (Evaluate(out BehaviorSubcontroller.AutomataEvent e))
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{
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TryAssignValues(e);
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behaviorSc.EventMemory.Remove(eventName.Value);
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return TaskStatus.Success;
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}
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return TaskStatus.Failure;
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}
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public override TaskStatus OnReevaluateUpdate()
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{
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return Evaluate(out _) ? TaskStatus.Success : TaskStatus.Failure;
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}
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private bool Evaluate(out BehaviorSubcontroller.AutomataEvent e)
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{
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if (behaviorSc == null || string.IsNullOrEmpty(eventName.Value))
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{
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e = null;
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return false;
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}
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if (behaviorSc.EventMemory.TryGetValue(eventName.Value, out e))
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{
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if (e.IsValid(validWindow))
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{
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return true;
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}
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}
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return false;
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}
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private void TryAssignValues(BehaviorSubcontroller.AutomataEvent e)
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{
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if (storedValue1 != null && storedValue1.IsShared) storedValue1.SetValue(e.Arg1);
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if (storedValue2 != null && storedValue2.IsShared) storedValue2.SetValue(e.Arg2);
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if (storedValue3 != null && storedValue3.IsShared) storedValue3.SetValue(e.Arg3);
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}
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}
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}
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