added: expanded environment observers with changed types, better gizmos, some fixes

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

@@ -0,0 +1,38 @@
+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using UnityEngine;
+
+
+namespace NodeCanvas.Tasks.Conditions {
+	[Category("Reset")]
+	public class CheckEnvironmentObserver : ConditionTask<PlayerEnvironmentManager>{
+
+		public BBParameter<string> observerLabel;
+		//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(){
+			var observer = agent.FindObserverFromString(observerLabel.value);
+			if (observer == null) {
+				return $"An environment observer couldn't be found under the name {observerLabel.value}. Check your spelling and if it exists??";
+			}
+
+			return null;
+		}
+
+		//Called whenever the condition gets enabled.
+		protected override void OnEnable() {
+			agent.FindObserverFromString(observerLabel.value).active = true;
+		}
+
+		//Called whenever the condition gets disabled.
+		protected override void OnDisable() {
+			agent.FindObserverFromString(observerLabel.value).active = false;
+		}
+
+		//Called once per frame while the condition is active.
+		//Return whether the condition is success or failure.
+		protected override bool OnCheck(){
+			return agent.EvaluateFromString(observerLabel.value);
+		}
+	}
+}