Use of canInteract for NPC onBypassFeedback method.

L2J_Mobius_C6_Interlude/java/com/l2jmobius/gameserver/model/actor/instance/L2NpcInstance.java

@@ -701,13 +701,30 @@ public class L2NpcInstance extends L2Character
 	 */
 	protected boolean canInteract(L2PcInstance player)
 	{
-		// TODO: NPC busy check etc...
-		
-		if (!isInsideRadius(player, INTERACTION_DISTANCE, false, false))
+		if (player.isCastingNow())
+		{
+			return false;
+		}
+		else if (player.isDead() || player.isFakeDeath())
+		{
+			return false;
+		}
+		else if (player.isSitting())
+		{
+			return false;
+		}
+		else if (player.isInStoreMode())
+		{
+			return false;
+		}
+		else if (!isInsideRadius(player, INTERACTION_DISTANCE, false, false))
+		{
+			return false;
+		}
+		else if (player.getInstanceId() != getInstanceId())
 		{
 			return false;
 		}
-		
 		return true;
 	}