Adds battle history, fixes code style

PkmnLib.Dynamic/Models/Battle.cs

@@ -110,6 +110,12 @@ public interface IBattle : IScriptSource
     /// Gets the current weather of the battle. If no weather is present, this returns null.
     /// </summary>
     StringKey? WeatherName { get; }
+
+    /// <summary>
+    /// Gets the turn choices of the previous turn. This is a list of lists, where each list represents the choices
+    /// for a single turn. The outer list is ordered from oldest to newest turn.
+    /// </summary>
+    IReadOnlyList<IReadOnlyList<ITurnChoice>> PreviousTurnChoices { get; }
 }
 
 /// <inheritdoc cref="IBattle"/>
@@ -172,7 +178,8 @@ public class BattleImpl : ScriptSource, IBattle
     public IPokemon? GetPokemon(byte side, byte position) => Sides[side].Pokemon[position];
 
     /// <inheritdoc />
-    public bool CanSlotBeFilled(byte side, byte position) => Parties.Any(x => x.IsResponsibleForIndex(new ResponsibleIndex(side, position)) && x.HasPokemonNotInField());
+    public bool CanSlotBeFilled(byte side, byte position) => Parties.Any(x =>
+        x.IsResponsibleForIndex(new ResponsibleIndex(side, position)) && x.HasPokemonNotInField());
 
     /// <inheritdoc />
     public void ValidateBattleState()
@@ -207,7 +214,7 @@ public class BattleImpl : ScriptSource, IBattle
             HasEnded = true;
             return;
         }
-        
+
         // If only one side is left, that side has won
         Result = BattleResult.Conclusive(survivingSide!.Index);
         HasEnded = true;
@@ -267,17 +274,22 @@ public class BattleImpl : ScriptSource, IBattle
                     choice.RunScriptHook(script => script.ChangePriority(moveChoice, ref priority));
                     moveChoice.Priority = priority;
                 }
+
                 var speed = choice.User.BoostedStats.Speed;
                 choice.RunScriptHook(script => script.ChangeSpeed(choice, ref speed));
                 choice.Speed = speed;
-                
+
                 choice.RandomValue = (uint)Random.GetInt();
                 choices[index * PositionsPerSide + i] = choice;
-                
+
                 choices[index * PositionsPerSide + i] = choice;
             }
+
             side.ResetChoices();
         }
+
+        _previousTurnChoices.Add(choices.ToList());
+
         CurrentTurnNumber += 1;
         ChoiceQueue = new BattleChoiceQueue(choices);
 
@@ -288,6 +300,7 @@ public class BattleImpl : ScriptSource, IBattle
     }
 
     private readonly ScriptContainer _weatherScript = new();
+
     /// <inheritdoc />
     public void SetWeather(StringKey? weatherName)
     {
@@ -303,19 +316,25 @@ public class BattleImpl : ScriptSource, IBattle
             _weatherScript.Clear();
         }
     }
-    
+
     private IScriptSet Volatile { get; } = new ScriptSet();
 
     /// <inheritdoc />
     public StringKey? WeatherName => _weatherScript.Script?.Name;
 
+
+    private readonly List<IReadOnlyList<ITurnChoice>> _previousTurnChoices = new();
+
+    /// <inheritdoc />
+    public IReadOnlyList<IReadOnlyList<ITurnChoice>> PreviousTurnChoices => _previousTurnChoices;
+
     /// <inheritdoc />
     public override int ScriptCount => 2;
 
     /// <inheritdoc />
     public override void GetOwnScripts(List<IEnumerable<ScriptContainer>> scripts)
     {
-        scripts.Add(_weatherScript );
+        scripts.Add(_weatherScript);
         scripts.Add(Volatile);
     }