added: new tasks for interactions with units

Assets/Scripts/Core/Graph Tasks/IsInteractable.cs

@@ -0,0 +1,49 @@
+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using UnityEngine;
+
+
+namespace Reset.Core {
+
+	[Category("Reset")]
+	[Description("Checks if the object has IInteractable and if the interactable object is available for use.")]
+	public class IsInteractable : ConditionTask{
+		public BBParameter<GameObject> target;
+		protected override string info{
+			
+			
+			get{
+				// string agentName = agent == null ? agentType.ToString() : target.ToString(); 
+				return $"<b>{target.ToString()}</b> is interactable";
+			}
+		}
+
+		//Use for initialization. This is called only once in the lifetime of the task.
+		//Return null if init was successfull. Return an error string otherwise
+		protected override string OnInit(){
+			return null;
+		}
+
+		//Called whenever the condition gets enabled.
+		protected override void OnEnable() {
+			
+		}
+
+		//Called whenever the condition gets disabled.
+		protected override void OnDisable() {
+			
+		}
+
+		//Called once per frame while the condition is active.
+		//Return whether the condition is success or failure.
+		protected override bool OnCheck(){
+			IInteractable interactable = agent.GetComponent<IInteractable>();
+			
+			if (interactable == null) {
+				return false;
+			}
+
+			return interactable.CanInteract();
+		}
+	}
+}