Reorganizes Project (#41)

Projects/Scripts/Items/Skill Items/Magical/Potions/InvisibilityPotion.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+
+namespace Server.Items
+{
+  public class InvisibilityPotion : BasePotion
+  {
+    private static Dictionary<Mobile, Timer> m_Table = new Dictionary<Mobile, Timer>();
+
+    [Constructible]
+    public InvisibilityPotion() : base(0xF0A, PotionEffect.Invisibility)
+    {
+      Hue = 0x48D;
+    }
+
+    public InvisibilityPotion(Serial serial) : base(serial)
+    {
+    }
+
+    public override int LabelNumber => 1072941; // Potion of Invisibility
+
+    public override void Drink(Mobile from)
+    {
+      if (from.Hidden)
+      {
+        from.SendLocalizedMessage(1073185); // You are already unseen.
+        return;
+      }
+
+      if (HasTimer(from))
+      {
+        from.SendLocalizedMessage(1073186); // An invisibility potion is already taking effect on your person.
+        return;
+      }
+
+      Consume();
+      m_Table[from] = Timer.DelayCall(TimeSpan.FromSeconds(2), Hide, from);
+      PlayDrinkEffect(from);
+    }
+
+    public static void Hide(Mobile m)
+    {
+      Effects.SendLocationParticles(
+        EffectItem.Create(new Point3D(m.X, m.Y, m.Z + 16), m.Map, EffectItem.DefaultDuration), 0x376A, 10, 15, 5045);
+      m.PlaySound(0x3C4);
+
+      m.Hidden = true;
+
+      BuffInfo.RemoveBuff(m, BuffIcon.HidingAndOrStealth);
+      BuffInfo.AddBuff(m, new BuffInfo(BuffIcon.Invisibility, 1075825)); //Invisibility/Invisible
+
+      RemoveTimer(m);
+
+      Timer.DelayCall(TimeSpan.FromSeconds(30), EndHide, m);
+    }
+
+    public static void EndHide(Mobile m)
+    {
+      m.RevealingAction();
+      RemoveTimer(m);
+    }
+
+    public static bool HasTimer(Mobile m)
+    {
+      return m_Table.ContainsKey(m);
+    }
+
+    public static void RemoveTimer(Mobile m, bool interrupted = false)
+    {
+      if (m_Table.TryGetValue(m, out Timer timer))
+      {
+        if (interrupted)
+          m.SendLocalizedMessage(1073187); // The invisibility effect is interrupted.
+        timer.Stop();
+        m_Table.Remove(m);
+      }
+    }
+
+    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();
+    }
+  }
+}