38 lines
1.3 KiB
C#
38 lines
1.3 KiB
C#
#if GRAPH_DESIGNER
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/// ---------------------------------------------
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/// Behavior Designer
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/// Copyright (c) Opsive. All Rights Reserved.
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/// https://www.opsive.com
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/// ---------------------------------------------
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namespace Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals
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{
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using Opsive.GraphDesigner.Runtime;
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using Opsive.GraphDesigner.Runtime.Variables;
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using System.Collections;
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using UnityEngine;
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[NodeDescription("Returns true if the specified variable has a value.")]
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public class HasValue : Conditional
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{
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[Tooltip("The variable to compare.")]
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[SerializeField] protected SharedVariable m_Variable;
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/// <summary>
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/// Executes the task.
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/// </summary>
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/// <returns>The execution status of the task.</returns>
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public override TaskStatus OnUpdate()
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{
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object variableValue = null;
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if (m_Variable == null || (variableValue = m_Variable.GetValue()) == null || variableValue.Equals(null)) {
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return TaskStatus.Failure;
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}
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if (variableValue is IList listValue) {
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return listValue.Count > 0 ? TaskStatus.Success : 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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}
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#endif |