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

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

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using PkmnLib.Static;
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "change_multiple_target_stat_boosts")]
+public class ChangeMultipleTargetStatBoosts : Script
+{
+    private Dictionary<Statistic, sbyte> _statBoosts = new();
+
+    /// <inheritdoc />
+    public override void OnInitialize(IReadOnlyDictionary<StringKey, object?>? parameters)
+    {
+        if (parameters == null)
+        {
+            throw new ArgumentNullException(nameof(parameters));
+        }
+
+        foreach (var par in parameters)
+        {
+            if (!Enum.TryParse<Statistic>(par.Key, true, out var stat))
+                throw new ArgumentException($"Invalid stat name: {par.Key}");
+            if (par.Value is sbyte value)
+            {
+                _statBoosts[stat] = value;
+            }
+        }
+    }
+
+    /// <inheritdoc />
+    public override void OnSecondaryEffect(IExecutingMove move, IPokemon target, byte hit)
+    {
+        EventBatchId batchId = new();
+        foreach (var stat in _statBoosts!)
+        {
+            target.ChangeStatBoost(stat.Key, stat.Value, true, batchId);
+        }
+    }
+}