fix: Adds OSI candle/torch functionality, codegens lights (#1075)

Projects/UOContent/Items/Lights/BaseEquipableLight.cs

@@ -0,0 +1,109 @@
+using ModernUO.Serialization;
+
+namespace Server.Items;
+
+[SerializationGenerator(0, false)]
+public abstract partial class BaseEquipableLight : BaseLight
+{
+    [Constructible]
+    public BaseEquipableLight(int itemID) : base(itemID) => Layer = Layer.TwoHanded;
+
+    private BaseEquipableLight SplitStack()
+    {
+        if (!Stackable || Amount < 2)
+        {
+            return null;
+        }
+
+        var stack = Mobile.LiftItemDupe(this, 1);
+        stack.BurntOut = BurntOut;
+        stack.Duration = Duration;
+        stack.Light = Light;
+        stack.Protected = Protected;
+
+        return stack;
+    }
+
+    public override bool OnEquip(Mobile from)
+    {
+        if (!base.OnEquip(from))
+        {
+            return false;
+        }
+
+        var stack = SplitStack();
+        if (stack != null && stack.Parent != from.Backpack)
+        {
+            if (from.AddToBackpack(stack))
+            {
+                if (this is Candle)
+                {
+                    from.SendLocalizedMessage(502967); // You put the remaining unlit candles into your backpack.
+                }
+                else if (this is Torch)
+                {
+                    from.SendLocalizedMessage(502970); // You put the remaining unlit torches into your backpack.
+                }
+            }
+            else
+            {
+                stack.MoveToWorld(from.Location, from.Map);
+            }
+        }
+
+        return true;
+    }
+
+    public override void Ignite()
+    {
+        if (Parent is not Mobile && RootParent is Mobile holder)
+        {
+            if (holder.EquipItem(this))
+            {
+                if (this is Candle)
+                {
+                    holder.SendLocalizedMessage(502969); // You put the candle in your left hand.
+                }
+                else if (this is Torch)
+                {
+                    holder.SendLocalizedMessage(502972); // You put the torch in your left hand.
+                }
+
+                // No message for lanterns?
+            }
+            else
+            {
+                SplitStack();
+                MoveToWorld(holder.Location, holder.Map);
+
+                if (this is Candle)
+                {
+                    holder.SendLocalizedMessage(502968); // You cannot hold the candle, so it has been placed at your feet.
+                }
+                else if (this is Torch)
+                {
+                    // 502971 has the wrong message
+                    holder.SendMessage("You cannot hold the torch, so it has been placed at your feet.");
+                }
+
+                // No message for lanterns?
+            }
+        }
+        else
+        {
+            SplitStack();
+        }
+
+        base.Ignite();
+    }
+
+    public override void OnAdded(IEntity parent)
+    {
+        if (Burning && parent is Container)
+        {
+            Douse();
+        }
+
+        base.OnAdded(parent);
+    }
+}