More abilities

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/RainDish.cs

@@ -0,0 +1,40 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Rain Dish is an ability that heals the Pokémon for 1/16 of its maximum HP each turn during rain.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Rain_Dish_(Ability)">Bulbapedia - Rain Dish</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "rain_dish")]
+public class RainDish : Script
+{
+    private IPokemon? _owner;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new ArgumentException("RainDish script can only be added to a Pokemon.", nameof(source));
+        _owner = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IBattle battle)
+    {
+        if (_owner is null)
+            return;
+        if (battle.WeatherName != ScriptUtils.ResolveName<Weather.Rain>())
+            return;
+
+        var healAmount = _owner.MaxHealth / 16;
+        if (healAmount <= 0)
+            return;
+
+        EventBatchId batchId = new();
+        battle.EventHook.Invoke(new AbilityTriggerEvent(_owner)
+        {
+            BatchId = batchId,
+        });
+        _owner.Heal(healAmount, batchId: batchId);
+    }
+}