More abilities

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

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+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Ice Body is an ability that heals the Pokémon for 1/16 of its maximum HP each turn during hail.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Ice_Body_(Ability)">Bulbapedia - Ice Body</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "ice_body")]
+public class IceBody : Script
+{
+    private IPokemon? _pokemon;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new InvalidOperationException("Ice Body can only be added to a Pokemon script source.");
+        _pokemon = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IBattle battle)
+    {
+        if (_pokemon is null)
+            return;
+
+        // Check if the weather is hail
+        if (battle.WeatherName != ScriptUtils.ResolveName<Weather.Hail>())
+            return;
+
+        // Heal the Pokémon for 1/16 of its maximum HP
+        EventBatchId batchId = new();
+        var healAmount = _pokemon.MaxHealth / 16;
+        _pokemon.Heal(healAmount, true, batchId);
+
+        // Trigger the ability event
+        battle.EventHook.Invoke(new AbilityTriggerEvent(_pokemon)
+        {
+            BatchId = batchId,
+        });
+    }
+
+    /// <inheritdoc />
+    public override void CustomTrigger(StringKey eventName, IDictionary<StringKey, object?>? parameters)
+    {
+        if (eventName != CustomTriggers.IgnoreHail || parameters is null)
+            return;
+
+        parameters["ignoresHail"] = true;
+    }
+}