Implements several more moves

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

@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using System.Linq;
+using PkmnLib.Dynamic.Models;
+using PkmnLib.Dynamic.Models.Choices;
+using PkmnLib.Dynamic.ScriptHandling;
+using PkmnLib.Dynamic.ScriptHandling.Registry;
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "beat_up")]
+public class BeatUp : Script
+{
+    private IPokemon[]? _relevantPartyMembers;
+    private static IEnumerable<IPokemon> GetRelevantPartyMembers(IPokemon user)
+    {
+        var battleData = user.BattleData;
+        if (battleData == null)
+            return [];
+
+        var party = battleData.Battle.Parties.FirstOrDefault(x => x.Party.Contains(user));
+        return party?.Party.WhereNotNull().Where(x => x.IsUsable && x.StatusScript.IsEmpty) ?? [];
+    }
+    
+    /// <inheritdoc />
+    public override void ChangeNumberOfHits(IMoveChoice choice, ref byte numberOfHits)
+    {
+        var relevantPartyMembers = _relevantPartyMembers ??= GetRelevantPartyMembers(choice.User).ToArray();
+        
+        numberOfHits = (byte)relevantPartyMembers.Count();
+        if (numberOfHits == 0)
+            numberOfHits = 1;
+    }
+
+    /// <inheritdoc />
+    public override void ChangeBasePower(IExecutingMove move, IPokemon target, byte hit, ref byte basePower)
+    {
+        var relevantPartyMembers = _relevantPartyMembers ??= GetRelevantPartyMembers(move.User).ToArray();
+        var hittingPokemon = relevantPartyMembers.ElementAtOrDefault(hit);
+        if (hittingPokemon == null)
+            return;
+
+        basePower = (byte)(hittingPokemon.Form.BaseStats.Attack / 10 + 5);
+    }
+}