63 lines
1.3 KiB
C#
63 lines
1.3 KiB
C#
// (c) Copyright HutongGames, LLC 2010-2013. All rights reserved.
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namespace HutongGames.PlayMaker.Actions
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{
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[ActionCategory(ActionCategory.Logic)]
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[Tooltip("Tests if a GameObject Variable has a null value. E.g., If the FindGameObject action failed to find an object.")]
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public class GameObjectIsNull : FsmStateAction
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{
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[RequiredField]
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[UIHint(UIHint.Variable)]
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[Tooltip("The GameObject variable to test.")]
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public FsmGameObject gameObject;
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[Tooltip("Event to send if the GamObject is null.")]
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public FsmEvent isNull;
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[Tooltip("Event to send if the GamObject is NOT null.")]
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public FsmEvent isNotNull;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the result in a bool variable.")]
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public FsmBool storeResult;
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[Tooltip("Repeat every frame.")]
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public bool everyFrame;
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public override void Reset()
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{
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gameObject = null;
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isNull = null;
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isNotNull = null;
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storeResult = null;
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everyFrame = false;
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}
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public override void OnEnter()
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{
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DoIsGameObjectNull();
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if (!everyFrame)
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{
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Finish();
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}
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}
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public override void OnUpdate()
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{
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DoIsGameObjectNull();
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}
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void DoIsGameObjectNull()
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{
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var goIsNull = gameObject.Value == null;
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if (storeResult != null)
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{
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storeResult.Value = goIsNull;
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}
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Fsm.Event(goIsNull ? isNull : isNotNull);
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}
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}
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} |