More abilities

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

@@ -0,0 +1,35 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Innards Out is an ability that deals damage to the attacker equal to the amount of HP lost when the Pokémon with this ability faints.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Innards_Out_(Ability)">Bulbapedia - Innards Out</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "innards_out")]
+public class InnardsOut : Script
+{
+    private IPokemon? _lastPokemonToHit;
+
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        _lastPokemonToHit = move.User;
+    }
+
+    /// <inheritdoc />
+    public override void OnDamage(IPokemon pokemon, DamageSource source, uint oldHealth, uint newHealth)
+    {
+        if (newHealth != 0 || source is not DamageSource.MoveDamage)
+            return;
+        if (_lastPokemonToHit is null || !_lastPokemonToHit.IsUsable)
+            return;
+
+        EventBatchId batchId = new();
+
+        pokemon.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(pokemon)
+        {
+            BatchId = batchId,
+        });
+        _lastPokemonToHit.Damage(oldHealth, DamageSource.Misc, batchId);
+    }
+}