Implement most pokeballs

PkmnLib.Dynamic/Models/Pokemon.cs

@@ -106,7 +106,7 @@ public interface IPokemon : IScriptSource, IDeepCloneable
     /// <summary>
     /// The happiness of the Pokemon. Also known as friendship.
     /// </summary>
-    byte Happiness { get; }
+    byte Happiness { get; set; }
 
     /// <summary>
     /// The stats of the Pokemon when disregarding any stat boosts.
@@ -708,7 +708,7 @@ public class PokemonImpl : ScriptSource, IPokemon
     public float HeightInMeters { get; set; }
 
     /// <inheritdoc />
-    public byte Happiness { get; }
+    public byte Happiness { get; set; }
 
     /// <inheritdoc />
     public StatisticSet<uint> FlatStats { get; } = new();

PkmnLib.Dynamic/ScriptHandling/PokeballScript.cs

@@ -17,13 +17,23 @@ public abstract class PokeballScript : ItemScript
     /// <summary>
     /// Returns the catch rate of the Pokéball against the given target Pokémon.
     /// </summary>
-    public abstract byte GetCatchRate(IPokemon target);
+    public abstract void ChangeCatchRate(IPokemon target, ref byte catchRate);
+
+    public virtual void OnAfterSuccessfulCapture(IPokemon target)
+    {
+        // Default implementation does nothing.
+        // Override this method in derived classes to add custom behavior after a successful capture.
+    }
 
     /// <inheritdoc />
     public override void OnUseWithTarget(IPokemon target, EventHook eventHook)
     {
         var battleData = target.BattleData;
 
-        battleData?.Battle.AttempCapture(battleData.SideIndex, battleData.Position, Item);
+        var result = battleData?.Battle.AttempCapture(battleData.SideIndex, battleData.Position, Item);
+        if (result is { IsCaught: true })
+        {
+            OnAfterSuccessfulCapture(target);
+        }
     }
 }