Implement most pokeballs

Plugins/PkmnLib.Plugin.Gen7/Scripts/Items/Pokeballs/MoonBall.cs

@@ -0,0 +1,32 @@
+using PkmnLib.Static.Species;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Items.Pokeballs;
+
+[ItemScript("moon_ball")]
+public class MoonBall : PokeballScript
+{
+    /// <inheritdoc />
+    public MoonBall(IItem item) : base(item)
+    {
+    }
+
+    /// <inheritdoc />
+    public override void ChangeCatchRate(IPokemon target, ref byte catchRate)
+    {
+        if (target.Species.EvolutionData.Any(x =>
+            {
+                switch (x)
+                {
+                    case ItemUseEvolution itemUseEvolution when itemUseEvolution.Item == "moon_ball":
+                    case ItemGenderEvolution itemGenderEvolution when itemGenderEvolution.Item == "moon_ball":
+                        return true;
+                    default:
+                        return false;
+                }
+            }))
+        {
+            // If the target can evolve with a Moon Ball, it has a 4x catch rate.
+            catchRate = catchRate.MultiplyOrMax(4f);
+        }
+    }
+}