More moves implemented

PkmnLib.Dynamic/Models/Battle.cs

@@ -110,6 +110,8 @@ public interface IBattle : IScriptSource, IDeepCloneable
     /// </summary>
     void SetWeather(StringKey? weatherName);
 
+    public IScriptSet Volatile { get; }
+    
     /// <summary>
     /// Gets the current weather of the battle. If no weather is present, this returns null.
     /// </summary>
@@ -359,7 +361,7 @@ public class BattleImpl : ScriptSource, IBattle
         // TODO: Trigger weather change script hooks
     }
 
-    private IScriptSet Volatile { get; } = new ScriptSet();
+    public IScriptSet Volatile { get; } = new ScriptSet();
 
     /// <inheritdoc />
     public StringKey? WeatherName => _weatherScript.Script?.Name;

PkmnLib.Dynamic/Models/BattleChoiceQueue.cs

@@ -102,5 +102,5 @@ public class BattleChoiceQueue : IDeepCloneable
     
     internal IReadOnlyList<ITurnChoice?> GetChoices() => _choices;
     
-    public ITurnChoice? Where(Func<ITurnChoice, bool> predicate) => _choices.WhereNotNull().FirstOrDefault(predicate);
+    public ITurnChoice? FirstOrDefault(Func<ITurnChoice, bool> predicate) => _choices.WhereNotNull().FirstOrDefault(predicate);
 }

PkmnLib.Dynamic/Models/BattleRandom.cs

@@ -9,7 +9,7 @@ namespace PkmnLib.Dynamic.Models;
 public interface IBattleRandom : IRandom, IDeepCloneable
 {
     /// <summary>
-    /// Gets whether or not a move triggers its secondary effect. This takes its chance, and
+    /// Gets whether or not a move triggers its secondary effect. This takes its chance as percent, and
     /// rolls whether it triggers. As a side effect this run scripts to allow modifying this random
     /// chance.
     /// </summary>

PkmnLib.Dynamic/Models/Pokemon.cs

@@ -373,6 +373,8 @@ public interface IPokemon : IScriptSource, IDeepCloneable
     /// Replace the types of the Pokémon with the provided types.
     /// </summary>
     void SetTypes(IReadOnlyList<TypeIdentifier> types);
+    
+    void ChangeAbility(IAbility ability);
 
     /// <summary>
     /// Converts the data structure to a serializable format.
@@ -409,7 +411,7 @@ public interface IPokemonBattleData : IDeepCloneable
     /// <summary>
     /// Whether the Pokémon is on the battlefield.
     /// </summary>
-    bool IsOnBattlefield { get; set; }
+    bool IsOnBattlefield { get; internal set; }
 
     /// <summary>
     /// Adds an opponent to the list of seen opponents.
@@ -425,6 +427,8 @@ public interface IPokemonBattleData : IDeepCloneable
     /// Marks an item as consumed.
     /// </summary>
     void MarkItemAsConsumed(IItem itemName);
+    
+    uint SwitchInTurn { get; internal set; }
 }
 
 /// <inheritdoc cref="IPokemon"/>
@@ -720,6 +724,15 @@ public class PokemonImpl : ScriptSource, IPokemon
             return false;
         if (!Library.ScriptResolver.TryResolveBattleItemScript(HeldItem, out _))
             return false;
+        
+        if (BattleData != null)
+        {
+            var prevented = false;
+            this.RunScriptHook(script => script.PreventHeldItemConsume(this, HeldItem, ref prevented));
+            if (prevented)
+                return false;
+        }
+        
         // TODO: actually consume the item
         throw new NotImplementedException();
     }
@@ -885,6 +898,13 @@ public class PokemonImpl : ScriptSource, IPokemon
         // If the Pokémon is already fainted, we don't need to do anything.
         if (IsFainted)
             return;
+        if (BattleData is not null)
+        {
+            var dmg = damage;
+            this.RunScriptHook(script => script.ChangeIncomingDamage(this, source, ref dmg));
+            damage = dmg;
+        }
+        
         // If the damage is more than the current health, we cap it at the current health, to prevent
         // underflow.
         if (damage >= CurrentHealth)
@@ -1013,10 +1033,11 @@ public class PokemonImpl : ScriptSource, IPokemon
         {
             BattleData.Battle = battle;
             BattleData.SideIndex = sideIndex;
+            BattleData.SwitchInTurn = battle.CurrentTurnNumber;
         }
         else
         {
-            BattleData = new PokemonBattleDataImpl(battle, sideIndex);
+            BattleData = new PokemonBattleDataImpl(battle, sideIndex, battle.CurrentTurnNumber);
         }
     }
 
@@ -1068,6 +1089,12 @@ public class PokemonImpl : ScriptSource, IPokemon
         _types = types.ToList();
     }
 
+    /// <inheritdoc />
+    public void ChangeAbility(IAbility ability)
+    {
+        OverrideAbility = ability;
+    }
+
     /// <inheritdoc />
     public SerializedPokemon Serialize() => new(this);
 
@@ -1112,10 +1139,11 @@ public class PokemonImpl : ScriptSource, IPokemon
 public class PokemonBattleDataImpl : IPokemonBattleData
 {
     /// <inheritdoc cref="PokemonBattleDataImpl"/>
-    public PokemonBattleDataImpl(IBattle battle, byte sideIndex)
+    public PokemonBattleDataImpl(IBattle battle, byte sideIndex, uint switchInTurn)
     {
         Battle = battle;
         SideIndex = sideIndex;
+        SwitchInTurn = switchInTurn;
     }
 
     /// <inheritdoc />
@@ -1151,4 +1179,7 @@ public class PokemonBattleDataImpl : IPokemonBattleData
     {
         _consumedItems.Add(itemName);
     }
+
+    /// <inheritdoc />
+    public uint SwitchInTurn { get; set; }
 }