More abilities

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

@@ -0,0 +1,40 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Hydration is an ability that heals status conditions if it is raining at the end of the turn.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Hydration_(Ability)">Bulbapedia - Hydration</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "hydration")]
+public class Hydration : Script
+{
+    private IPokemon? _pokemon;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new InvalidOperationException("Hydration can only be added to a Pokemon script source.");
+        _pokemon = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IBattle battle)
+    {
+        if (_pokemon is null)
+            return;
+
+        if (battle.WeatherName != ScriptUtils.ResolveName<Weather.Rain>())
+            return;
+        if (_pokemon.StatusScript.IsEmpty)
+            return;
+
+        EventBatchId batchId = new();
+
+        battle.EventHook.Invoke(new AbilityTriggerEvent(_pokemon)
+        {
+            BatchId = batchId,
+        });
+        _pokemon.ClearStatus(batchId);
+    }
+}