first commit

Assets/Plugins/ParadoxNotion/NodeCanvas/Tasks/Conditions/GameObject/CheckLOS.cs

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+using NodeCanvas.Framework;
+using ParadoxNotion.Design;
+using UnityEngine;
+
+
+namespace NodeCanvas.Tasks.Conditions
+{
+
+    [Name("Target In Line Of Sight")]
+    [Category("GameObject")]
+    [Description("Check of agent is in line of sight with target by doing a linecast and optionaly save the distance")]
+    public class CheckLOS : ConditionTask<Transform>
+    {
+
+        [RequiredField]
+        public BBParameter<GameObject> LOSTarget;
+        public BBParameter<LayerMask> layerMask = (LayerMask)( -1 );
+        public Vector3 offset;
+        [BlackboardOnly]
+        public BBParameter<float> saveDistanceAs;
+
+        private RaycastHit hit = new RaycastHit();
+
+        protected override string info {
+            get { return "LOS with " + LOSTarget.ToString(); }
+        }
+
+        protected override bool OnCheck() {
+
+            var t = LOSTarget.value.transform;
+
+            if ( Physics.Linecast(agent.position + offset, t.position + offset, out hit, layerMask.value) ) {
+                var targetCollider = t.GetComponent<Collider>();
+                if ( targetCollider == null || hit.collider != targetCollider ) {
+                    saveDistanceAs.value = hit.distance;
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        public override void OnDrawGizmosSelected() {
+            if ( agent && LOSTarget.value ) {
+                Gizmos.DrawLine(agent.position + offset, LOSTarget.value.transform.position + offset);
+            }
+        }
+    }
+}