chore: initial commit

Packages/com.opsive.behaviordesigner/Runtime/Tasks/Conditionals/TargetGameObjectConditional.cs

@@ -0,0 +1,53 @@
+#if GRAPH_DESIGNER
+/// ---------------------------------------------
+/// Behavior Designer
+/// Copyright (c) Opsive. All Rights Reserved.
+/// https://www.opsive.com
+/// ---------------------------------------------
+namespace Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals
+{
+    using Opsive.GraphDesigner.Runtime.Variables;
+    using UnityEngine;
+
+    /// <summary>
+    /// A TaskObject Conditional task which returns the current GameObject if the target is null.
+    /// </summary>
+    public abstract class TargetGameObjectConditional : Conditional
+    {
+        [Tooltip("The GameObject of the target behavior tree. If the value is null the current GameObject will be used.")]
+        [SerializeField] protected SharedVariable<GameObject> m_TargetGameObject;
+        protected override GameObject gameObject => m_ResolvedGameObject;
+        protected override Transform transform => m_ResolvedTransform;
+
+        protected GameObject m_ResolvedGameObject;
+        protected Transform m_ResolvedTransform;
+
+        /// <summary>
+        /// Initializes the task.
+        /// </summary>
+        public override void OnAwake()
+        {
+            m_TargetGameObject.OnValueChange += InitializeTarget;
+
+            InitializeTarget();
+        }
+
+        /// <summary>
+        /// Initializes the target GameObject.
+        /// </summary>
+        protected virtual void InitializeTarget()
+        {
+            m_ResolvedGameObject = (m_TargetGameObject.Value == null || m_TargetGameObject.Value.Equals(null)) ? m_GameObject : m_TargetGameObject.Value;
+            m_ResolvedTransform = m_ResolvedGameObject.transform;
+        }
+
+        /// <summary>
+        /// The behavior tree has been destroyed.
+        /// </summary>
+        public override void OnDestroy()
+        {
+            m_TargetGameObject.OnValueChange -= InitializeTarget;
+        }
+    }
+}
+#endif