Finishes the last few moves

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

@@ -0,0 +1,39 @@
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "weather_ball")]
+public class WeatherBall : Script
+{
+    /// <inheritdoc />
+    public override void ChangeBasePower(IExecutingMove move, IPokemon target, byte hit, ref ushort basePower)
+    {
+        if (move.Battle.WeatherName is not null)
+        {
+            basePower = basePower.MultiplyOrMax(2);
+        }
+    }
+
+    /// <inheritdoc />
+    public override void ChangeMoveType(IExecutingMove move, IPokemon target, byte hit,
+        ref TypeIdentifier? typeIdentifier)
+    {
+        var weather = move.Battle.WeatherName;
+        var typeLibrary = move.Battle.Library.StaticLibrary.Types;
+        if (weather is null)
+            return;
+
+        if (weather == ScriptUtils.ResolveName<Weather.Sunny>() &&
+            typeLibrary.TryGetTypeIdentifier("fire", out var fireType))
+            typeIdentifier = fireType;
+        else if (weather == ScriptUtils.ResolveName<Weather.Rain>() &&
+                 typeLibrary.TryGetTypeIdentifier("water", out var waterType))
+            typeIdentifier = waterType;
+        else if (weather == ScriptUtils.ResolveName<Weather.Hail>() &&
+                 typeLibrary.TryGetTypeIdentifier("ice", out var iceType))
+            typeIdentifier = iceType;
+        else if (weather == ScriptUtils.ResolveName<Weather.Sandstorm>() &&
+                 typeLibrary.TryGetTypeIdentifier("rock", out var rockType))
+            typeIdentifier = rockType;
+    }
+}