Bunch more moves, changes in how additional information for items works.

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

@@ -0,0 +1,38 @@
+using System;
+using PkmnLib.Plugin.Gen7.Scripts.Utils;
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "metronome")]
+public class Metronome : Script
+{
+    /// <inheritdoc />
+    public override void ChangeMove(IMoveChoice choice, ref StringKey moveName)
+    {
+        var battleData = choice.User.BattleData;
+        if (battleData == null)
+            return;
+
+        var library = choice.User.Library;
+        var moveLibrary = library.StaticLibrary.Moves;
+
+        var retryCount = 0;
+        while (true)
+        {
+            // Breaker for infinite loop. The odds that we'd accidentally roll a non-copyable move 100 times in a row 
+            // is extremely unlikely, unless the loaded move library only contains non-copyable moves.
+            // This is a failsafe.
+            if (retryCount > 100)
+                throw new Exception("Metronome failed to find a valid move after 100 attempts.");
+            var randomMove = moveLibrary.GetRandom(battleData.Battle.Random);
+            if (!randomMove.CanCopyMove())
+            {
+                retryCount++;
+                continue;
+            }
+            moveName = randomMove.Name;
+            break;
+        }
+    }
+}