More moves

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

@@ -0,0 +1,23 @@
+using PkmnLib.Static;
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+/// <summary>
+/// Implements the secondary effect of Payback, which doubles the move's power if the user moves after the target.
+/// </summary>
+[Script(ScriptCategory.Move, "payback")]
+public class Payback : Script
+{
+    /// <inheritdoc />
+    public override void ChangeBasePower(IExecutingMove move, IPokemon target, byte hit, ref byte basePower)
+    {
+        var battleData = move.User.BattleData;
+
+        // Check if the target has already moved this turn
+        if (battleData?.Battle.ChoiceQueue?.FirstOrDefault(x => x.User == target) != null)
+        {
+            basePower = basePower.MultiplyOrMax(2);
+        }
+    }
+}