Adds more abilities

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

@@ -0,0 +1,27 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Competitive is an ability that raises the Pokémon's Special Attack by two stages whenever any of its stats are lowered.
+/// This includes stat drops from moves, abilities, or items. The ability will not activate if the stat drop is self-inflicted.
+/// 
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Competitive_(Ability)">Bulbapedia - Competitive</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "competitive")]
+public class Competitive : Script
+{
+    /// <inheritdoc />
+    /// <inheritdoc />
+    public override void OnAfterStatBoostChange(IPokemon pokemon, Statistic stat, bool selfInflicted, sbyte change)
+    {
+        if (change >= 0)
+            return;
+        if (selfInflicted)
+            return;
+        EventBatchId batchId = new();
+        pokemon.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(pokemon)
+        {
+            BatchId = batchId,
+        });
+        pokemon.ChangeStatBoost(Statistic.SpecialAttack, 2, true, batchId);
+    }
+}