More moves implemented

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

@@ -0,0 +1,40 @@
+using System.Linq;
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "last_resort")]
+public class LastResort : Script
+{
+    /// <inheritdoc />
+    public override void PreventMoveSelection(IMoveChoice choice, ref bool prevent)
+    {
+        var battleData = choice.User.BattleData;
+        if (battleData == null)
+        {
+            prevent = true;
+            return;
+        }
+        var userMoves = choice.User.Moves.WhereNotNull().Where(x => x.MoveData.Name != "last_resort").ToList();
+        if (userMoves.Count == 0)
+        {
+            prevent = true;
+            return;
+        }
+
+        // Grab all move choices
+        var movesForUserSinceEnteringField = battleData.Battle.PreviousTurnChoices
+            // Reading backwards
+            .Reverse().SelectMany(x => x.Reverse())
+            // We only care about move choices since the user entered the field
+            .TakeWhile(x => x is not SwitchChoice switchChoice || x.User != switchChoice.SwitchTo).OfType<MoveChoice>()
+            // We only care about the user's move choices
+            .Where(x => x.User == choice.User)
+            // Grab the chosen move, and remove duplicates
+            .Select(x => x.ChosenMove).Distinct().ToList();
+        if (!userMoves.All(x => movesForUserSinceEnteringField.Contains(x)))
+        {
+            prevent = true;
+        }
+    }
+}