Implements a bunch more moves

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/IceBall.cs

@@ -0,0 +1,34 @@
+using System;
+using PkmnLib.Plugin.Gen7.Scripts.Pokemon;
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "ice_ball")]
+public class IceBall : Script
+{
+    /// <inheritdoc />
+    public override void ChangeBasePower(IExecutingMove move, IPokemon target, byte hit, ref byte basePower)
+    {
+        var userEffect = move.User.Volatile.Get<IceBallEffect>();
+        if (userEffect == null)
+            return;
+
+        basePower = basePower.MultiplyOrMax((byte)Math.Pow(2, userEffect.TurnCount));
+    }
+
+    /// <inheritdoc />
+    public override void OnSecondaryEffect(IExecutingMove move, IPokemon target, byte hit)
+    {
+        var userEffect = move.User.Volatile.Get<IceBallEffect>();
+        if (userEffect == null)
+        {
+            userEffect = new IceBallEffect(move.User, move.UseMove.Name);
+            move.User.Volatile.Add(userEffect);
+        }
+        else
+        {
+            userEffect.TurnCount++;
+        }
+    }
+}