Implements more abilities

Plugins/PkmnLib.Plugin.Gen7/Scripts/Weather/StrongWinds.cs

@@ -0,0 +1,50 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Weather;
+
+/// <summary>
+/// StrongWinds is a weather condition that represents strong winds in battle.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Strong_winds">Bulbapedia - Strong Winds</see>
+/// </summary>
+[Script(ScriptCategory.Weather, "strong_winds")]
+public class StrongWinds : Script
+{
+    private HashSet<IPokemon> _placers = new();
+
+    public void MarkAsPlaced(IPokemon pokemon)
+    {
+        _placers.Add(pokemon);
+    }
+
+    /// <inheritdoc />
+    public override void OnSwitchOut(IPokemon oldPokemon, byte position)
+    {
+        _placers.Remove(oldPokemon);
+        if (_placers.Count == 0)
+            oldPokemon.BattleData?.Battle.SetWeather(null, 0);
+    }
+
+    /// <inheritdoc />
+    public override void PreventWeatherChange(StringKey? weatherName, ref bool preventWeatherChange)
+    {
+        if (weatherName == ScriptUtils.ResolveName<DesolateLands>() ||
+            weatherName == ScriptUtils.ResolveName<PrimordialSea>())
+            return;
+        preventWeatherChange = true;
+    }
+
+    /// <inheritdoc />
+    public override void ChangeTypesForMove(IExecutingMove executingMove, IPokemon target, byte hitIndex,
+        IList<TypeIdentifier> types)
+    {
+        var flyingType = types.FirstOrDefault(x => x.Name == "flying");
+        if (flyingType != null)
+        {
+            var typeLibrary = executingMove.Battle.Library.StaticLibrary.Types;
+            var hitData = executingMove.GetHitData(target, hitIndex);
+            if (hitData.Type != null && typeLibrary.GetSingleEffectiveness(hitData.Type.Value, flyingType) > 1)
+            {
+                types.Remove(flyingType);
+            }
+        }
+    }
+}