More abilities

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

@@ -0,0 +1,31 @@
+using PkmnLib.Plugin.Gen7.Scripts.Pokemon;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Inner Focus is an ability that prevents the Pokémon from flinching.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Inner_Focus_(Ability)">Bulbapedia - Inner Focus</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "inner_focus")]
+public class InnerFocus : Script
+{
+    private IPokemon? _pokemon;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new InvalidOperationException("Illusion can only be added to a Pokemon script source.");
+        _pokemon = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void PreventVolatileAdd(Script script, ref bool preventVolatileAdd)
+    {
+        if (script is not FlinchEffect)
+            return;
+        _pokemon?.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(_pokemon));
+        preventVolatileAdd = true;
+    }
+}