Reorganizes Project (#41)

Projects/Scripts/Engines/Quests/Emino's Undertaking/Items/GuardianBarrier.cs

@@ -0,0 +1,68 @@
+using Server.Mobiles;
+
+namespace Server.Engines.Quests.Ninja
+{
+  public class GuardianBarrier : Item
+  {
+    [Constructible]
+    public GuardianBarrier() : base(0x3967)
+    {
+      Movable = false;
+      Visible = false;
+    }
+
+    public GuardianBarrier(Serial serial) : base(serial)
+    {
+    }
+
+    public override bool OnMoveOver(Mobile m)
+    {
+      if (m.AccessLevel > AccessLevel.Player)
+        return true;
+
+      // If the mobile is to the north of the barrier, allow him to pass
+      if (Y >= m.Y)
+        return true;
+
+      if (m is BaseCreature creature)
+      {
+        Mobile master = creature.GetMaster();
+
+        // Allow creatures to cross from the south to the north only if their master is near to the north
+        return master != null && Y >= master.Y && master.InRange(this, 4);
+      }
+
+      if (m is PlayerMobile pm && pm.Quest is EminosUndertakingQuest qs)
+      {
+        SneakPastGuardiansObjective obj = qs.FindObjective<SneakPastGuardiansObjective>();
+        if (obj != null)
+        {
+          if (m.Hidden)
+            return true; // Hidden ninjas can pass
+
+          if (!obj.TaughtHowToUseSkills)
+          {
+            obj.TaughtHowToUseSkills = true;
+            qs.AddConversation(new NeedToHideConversation());
+          }
+        }
+      }
+
+      return false;
+    }
+
+    public override void Serialize(GenericWriter writer)
+    {
+      base.Serialize(writer);
+
+      writer.Write(0); // version
+    }
+
+    public override void Deserialize(GenericReader reader)
+    {
+      base.Deserialize(reader);
+
+      int version = reader.ReadInt();
+    }
+  }
+}