Implements several more moves

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/BellyDrum.cs

@@ -0,0 +1,26 @@
+using PkmnLib.Dynamic.Events;
+using PkmnLib.Dynamic.Models;
+using PkmnLib.Dynamic.ScriptHandling;
+using PkmnLib.Dynamic.ScriptHandling.Registry;
+using PkmnLib.Static;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "belly_drum")]
+public class BellyDrum : Script
+{
+    /// <inheritdoc />
+    public override void OnSecondaryEffect(IExecutingMove move, IPokemon target, byte hit)
+    {
+        var maxHealthHalved = target.BoostedStats.Hp / 2;
+        if (target.CurrentHealth <= maxHealthHalved)
+        {
+            move.GetHitData(target, hit).Fail();
+            return;
+        }
+        
+        target.Damage(maxHealthHalved, DamageSource.Misc);
+        // Raising the user's Attack by 12 stages should always set it to +6.
+        target.ChangeStatBoost(Statistic.Attack, 12, true);
+    }
+}