Implements more abilities

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

@@ -0,0 +1,29 @@
+using PkmnLib.Plugin.Gen7.Scripts.Pokemon;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Flash Fire is an ability that makes the Pokémon immune to Fire-type moves.
+/// When hit by a Fire-type move, the ability activates and increases the power of the Pokémon's Fire-type moves by 50%.
+/// This ability is commonly associated with Ninetales and Arcanine.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Flash_Fire_(Ability)">Bulbapedia - Flash Fire</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "flash_fire")]
+public class FlashFire : Script
+{
+    /// <inheritdoc />
+    public override void ChangeIncomingEffectiveness(IExecutingMove executingMove, IPokemon target, byte hitIndex,
+        ref float effectiveness)
+    {
+        if (executingMove.GetHitData(target, hitIndex).Type?.Name == "fire")
+        {
+            effectiveness = 0f;
+
+            if (target.Volatile.Contains<FlashFireEffect>())
+                return;
+            target.Volatile.Add(new FlashFireEffect());
+            executingMove.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
+        }
+    }
+}