feat: 드로그 공통 보스 BT 프레임워크 정리

Assets/_Game/Scripts/AI/BehaviorActions/Actions/ValidateTargetAction.cs

@@ -0,0 +1,33 @@
+using System;
+
+using Colosseum.Combat;
+
+using Unity.Behavior;
+using Unity.Properties;
+using UnityEngine;
+
+using Action = Unity.Behavior.Action;
+
+/// <summary>
+/// 현재 타겟이 살아 있는 유효 대상인지 확인하는 공통 체크 액션입니다.
+/// </summary>
+[Serializable, GeneratePropertyBag]
+[NodeDescription(
+    name: "Validate Target",
+    story: "[Target]이 살아 있는 유효 대상인지 확인",
+    category: "Action",
+    id: "e9ec7a3b5a5447138ecf85ab0c57b21f")]
+public partial class ValidateTargetAction : Action
+{
+    [SerializeReference]
+    public BlackboardVariable<GameObject> Target;
+
+    protected override Status OnStart()
+    {
+        if (Target?.Value == null || !Target.Value.activeInHierarchy)
+            return Status.Failure;
+
+        IDamageable damageable = Target.Value.GetComponent<IDamageable>();
+        return damageable != null && damageable.IsDead ? Status.Failure : Status.Success;
+    }
+}