More move effects

PkmnLib.Dynamic/Models/Pokemon.cs

@@ -240,6 +240,20 @@ public interface IPokemon : IScriptSource, IDeepCloneable
     /// </summary>
     [MustUseReturnValue]
     IItem? RemoveHeldItem();
+    
+    /// <summary>
+    /// Removes the held item from the Pokemon for the duration of the battle. Returns the previously held item.
+    /// </summary>
+    /// <remarks>
+    /// This is used for moves that remove a held item, but do not consume it. In this case, the item needs to be
+    /// restored after the battle.
+    /// </remarks>
+    IItem? RemoveHeldItemForBattle();
+    
+    /// <summary>
+    /// Restores the held item of a Pokémon if it was temporarily removed.
+    /// </summary>
+    void RestoreStolenHeldItem();
 
     /// <summary>
     /// Makes the Pokemon uses its held item. Returns whether the item was consumed.
@@ -716,6 +730,21 @@ public class PokemonImpl : ScriptSource, IPokemon
         HeldItem = null;
         return previous;
     }
+    
+    private IItem? _stolenHeldItem;
+
+    /// <inheritdoc />
+    public IItem? RemoveHeldItemForBattle()
+    {
+        return _stolenHeldItem = RemoveHeldItem();
+    }
+
+    /// <inheritdoc />
+    public void RestoreStolenHeldItem()
+    {
+        _ = SetHeldItem(_stolenHeldItem);
+        _stolenHeldItem = null;
+    }
 
     /// <inheritdoc />
     public bool ConsumeHeldItem()