46 lines
1.4 KiB
C#
46 lines
1.4 KiB
C#
using System;
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using System.Collections.Generic;
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namespace DefaultNamespace.BehaviorTree
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{
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public class Sequence : Composite
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{
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private int _currentIndex;
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private Node _currentNode;
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public Sequence(List<Node> children) : base(children)
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{
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}
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public override Status OnStart()
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{
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if (Children.Count == 0) return Status.Failure;
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_currentIndex = 0;
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_currentNode = Children[_currentIndex];
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return _currentNode?.OnStart() ?? Status.Failure;
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}
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public override Status OnUpdate()
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{
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Status status = _currentNode?.OnUpdate() ?? Status.Failure;
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switch (status)
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{
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case Status.Success:
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_currentNode?.OnEnd();
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_currentIndex++;
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if (_currentIndex >= Children.Count) return Status.Success;
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_currentNode = Children[_currentIndex];
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return _currentNode?.OnStart() ?? Status.Failure;
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case Status.Failure:
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_currentNode?.OnEnd();
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return Status.Failure;
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case Status.Running:
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return Status.Running;
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default:
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throw new ArgumentOutOfRangeException();
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}
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}
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}
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} |