71 lines
2.6 KiB
C#
71 lines
2.6 KiB
C#
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#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.Actions
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{
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using Opsive.GraphDesigner.Runtime.Variables;
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using UnityEngine;
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/// <summary>
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/// A TaskObject Action task which implements the shared TargetGameObject/TreeUserID objects.
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/// </summary>
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public abstract class TargetBehaviorTreeAction : Action
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{
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[Tooltip("The GameObject of the target behavior tree. If the value is null the current GameObject will be used.")]
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[SerializeField] protected SharedVariable<GameObject> m_TargetGameObject;
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[Tooltip("The index of the tree if there are multiple behavior trees on the same GameObject.")]
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[SerializeField] protected SharedVariable<int> m_TreeIndex;
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protected BehaviorTree m_ResolvedBehaviorTree;
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/// <summary>
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/// Initializes the task.
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/// </summary>
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public override void OnAwake()
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{
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m_TargetGameObject.OnValueChange += InitializeTarget;
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m_TreeIndex.OnValueChange += InitializeTarget;
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InitializeTarget();
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}
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/// <summary>
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/// Initializes the target behavior tree.
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/// </summary>
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protected virtual void InitializeTarget()
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{
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if (m_TargetGameObject.Value == null) {
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m_ResolvedBehaviorTree = m_BehaviorTree;
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} else {
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var behaviorTrees = m_TargetGameObject.Value.GetComponents<BehaviorTree>();
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if (behaviorTrees.Length == 1) {
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m_ResolvedBehaviorTree = behaviorTrees[0];
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} else if (behaviorTrees.Length > 1) {
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for (int i = 0; i < behaviorTrees.Length; ++i) {
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if (behaviorTrees[i].Index == m_TreeIndex.Value) {
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m_ResolvedBehaviorTree = behaviorTrees[i];
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break;
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}
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}
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// If the UserID can't be found then use the first behavior tree.
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if (m_ResolvedBehaviorTree == null) {
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m_ResolvedBehaviorTree = behaviorTrees[0];
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}
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}
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}
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}
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/// <summary>
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/// The behavior tree has been destroyed.
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/// </summary>
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public override void OnDestroy()
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{
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m_TargetGameObject.OnValueChange -= InitializeTarget;
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m_TreeIndex.OnValueChange -= InitializeTarget;
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}
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}
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}
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#endif
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