forfeiture, abandoning, entry_fee_collection at start

Assets/Scripts/AiBotController.cs

@@ -46,7 +46,12 @@ public class AiBotController : NetworkBehaviour
 
     void Awake()
     {
+#if UNITY_SERVER
+        enabled = false;
+        return;
+#else
         EnsureTrajectoryLines();
+#endif
     }
 
     void OnEnable()
@@ -100,6 +105,10 @@ public class AiBotController : NetworkBehaviour
             return existingLine;
         }
 
+        Shader shader = Shader.Find("Sprites/Default");
+        if (shader == null)
+            return null;
+
         GameObject go = new GameObject(name);
         go.transform.SetParent(transform, false);
 
@@ -109,7 +118,7 @@ public class AiBotController : NetworkBehaviour
         line.endWidth = trajectoryLineWidth;
         line.numCapVertices = 4;
         line.sortingOrder = trajectorySortingOrder;
-        line.material = new Material(Shader.Find("Sprites/Default"));
+        line.material = new Material(shader);
         line.startColor = color;
         line.endColor = color;
         line.positionCount = 0;
@@ -1066,9 +1075,13 @@ public class AiBotController : NetworkBehaviour
 
     public void Setup(Team team)
     {
+#if UNITY_SERVER
+        return;
+#else
         aiTeam = team;
         RefreshAiPucks();
         isEnabled = true;
+#endif
     }
 
     void RefreshAiPucks()