More abilities, refactor custom triggers to be typed.

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

@@ -0,0 +1,29 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Mega Launcher is an ability that boosts the power of aura and pulse moves.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Mega_Launcher_(Ability)">Bulbapedia - Mega Launcher</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "mega_launcher")]
+public class MegaLauncher : Script
+{
+    /// <inheritdoc />
+    public override void ChangeBasePower(IExecutingMove move, IPokemon target, byte hit, ref ushort basePower)
+    {
+        if (move.UseMove.HasFlag("pulse"))
+        {
+            basePower = basePower.MultiplyOrMax(1.5f);
+        }
+    }
+
+    /// <inheritdoc />
+    public override void CustomTrigger(StringKey eventName, ICustomTriggerArgs args)
+    {
+        if (eventName != CustomTriggers.ModifyHealPercent || args is not CustomTriggers.ModifyHealPercentArgs healArgs)
+            return;
+
+        if (healArgs.Move.UseMove.HasFlag("pulse"))
+            healArgs.HealPercent *= 1.5f;
+    }
+}