3 fixes, 1 new method

ContextSystem/Contexts/Control/Loops/ForeachLoopContext.cs

@@ -24,7 +24,8 @@ public class ForeachLoopContext : LoopContext
 
     public override string KeywordName => "foreach";
     public override string Description =>
-        "Repeats its body for each player in the player variable, assigning it its own custom variable.";
+        "Repeats its body for each player in the player variable or a value in a collection variable, " +
+        "assigning it its own custom variable.";
     public override string[] Arguments => ["[variable to assign the item]", "in", "[player/collection variable]"];
 
     public override Dictionary<IExtendableStatement.Signal, Func<IEnumerator<float>>> RegisteredSignals { get; } = new();

MethodSystem/Methods/CollectionVariableMethods/CollectionContainsMethod.cs

@@ -0,0 +1,24 @@
+using SER.ArgumentSystem.Arguments;
+using SER.ArgumentSystem.BaseArguments;
+using SER.MethodSystem.BaseMethods;
+using SER.ValueSystem;
+
+namespace SER.MethodSystem.Methods.CollectionVariableMethods;
+
+public class CollectionContainsMethod : ReturningMethod<BoolValue>
+{
+    public override string Description => "Returns true if the value exists in the collection";
+
+    public override Argument[] ExpectedArguments { get; } =
+    [
+        new CollectionArgument("collection"),
+        new AnyValueArgument("value to check")
+    ];
+
+    public override void Execute()
+    {
+        var collection = Args.GetCollection("collection");
+        var value = Args.GetAnyValue("value to check");
+        ReturnValue = new(collection.Contains(value));
+    }
+}

Plugin/Commands/HelpSystem/DocsCommand.cs

@@ -1,7 +1,6 @@
 using System.Text;
 using CommandSystem;
 using LabApi.Features.Permissions;
-using LabApi.Features.Wrappers;
 using SER.Helpers.Exceptions;
 using SER.Plugin.Commands.Interfaces;
 
@@ -13,8 +12,7 @@ public class DocsCommand : ICommand, IUsePermissions
 {
     public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
     {
-        var player = Player.Get(sender);
-        if (player is not null && player.HasPermissions(Permission))
+        if (!sender.HasPermissions(Permission))
         {
             response = "You do not have permission to create documentation.";
             return false;

Plugin/Commands/MethodCommand.cs

@@ -1,6 +1,5 @@
 using CommandSystem;
 using LabApi.Features.Permissions;
-using LabApi.Features.Wrappers;
 using SER.Plugin.Commands.Interfaces;
 using SER.ScriptSystem;
 using SER.ScriptSystem.Structures;
@@ -15,8 +14,7 @@ public class MethodCommand : ICommand, IUsePermissions
 
     public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
     {
-        var player = Player.Get(sender);
-        if (player is not null && player.HasPermissions(RunPermission))
+        if (!sender.HasPermissions(RunPermission))
         {
             response = "You do not have permission to run scripts.";
             return false;

Plugin/Commands/ReloadCommand.cs

@@ -1,6 +1,5 @@
 using CommandSystem;
 using LabApi.Features.Permissions;
-using LabApi.Features.Wrappers;
 using SER.FlagSystem;
 using SER.Plugin.Commands.Interfaces;
 
@@ -12,8 +11,7 @@ public class ReloadCommand : ICommand, IUsePermissions
 {
     public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
     {
-        var player = Player.Get(sender);
-        if (player is not null && player.HasPermissions(Permission))
+        if (!sender.HasPermissions(Permission))
         {
             response = "You do not have permission to reload scripts.";
             return false;

Plugin/Commands/RunCommand.cs

@@ -1,6 +1,5 @@
 using CommandSystem;
 using LabApi.Features.Permissions;
-using LabApi.Features.Wrappers;
 using SER.Plugin.Commands.Interfaces;
 using SER.ScriptSystem;
 using SER.ScriptSystem.Structures;
@@ -13,8 +12,7 @@ public class RunCommand : ICommand, IUsePermissions
 {
     public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
     {
-        var player = Player.Get(sender);
-        if (player is not null && player.HasPermissions(Permission))
+        if (!sender.HasPermissions(Permission))
         {
             response = "You do not have permission to run scripts.";
             return false;

Plugin/Commands/RunningScriptsCommand.cs

@@ -1,6 +1,5 @@
 using CommandSystem;
 using LabApi.Features.Permissions;
-using LabApi.Features.Wrappers;
 using SER.Plugin.Commands.Interfaces;
 using SER.ScriptSystem;
 
@@ -12,8 +11,7 @@ public class RunningScriptsCommand : ICommand, IUsePermissions
 {
     public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
     {
-        var player = Player.Get(sender);
-        if (player is not null && player.HasPermissions(Permission))
+        if (!sender.HasPermissions(Permission))
         {
             response = "You do not have permission see running scripts.";
             return false;

Plugin/Commands/StopAllCommand.cs

@@ -1,6 +1,5 @@
 using CommandSystem;
 using LabApi.Features.Permissions;
-using LabApi.Features.Wrappers;
 using SER.Plugin.Commands.Interfaces;
 using SER.ScriptSystem;
 
@@ -12,8 +11,7 @@ public class StopAllCommand : ICommand, IUsePermissions
 {
     public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
     {
-        var player = Player.Get(sender);
-        if (player is not null && player.HasPermissions(Permission))
+        if (!sender.HasPermissions(Permission))
         {
             response = "You do not have permission to stop scripts.";
             return false;

Plugin/Commands/StopCommand.cs

@@ -1,6 +1,5 @@
 using CommandSystem;
 using LabApi.Features.Permissions;
-using LabApi.Features.Wrappers;
 using SER.Plugin.Commands.Interfaces;
 using SER.ScriptSystem;
 
@@ -12,8 +11,7 @@ public class StopCommand : ICommand, IUsePermissions
 {
     public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
     {
-        var player = Player.Get(sender);
-        if (player is not null && player.HasPermissions(Permission))
+        if (!sender.HasPermissions(Permission))
         {
             response = "You do not have permission to stop scripts.";
             return false;

ValueSystem/CollectionValue.cs

@@ -96,6 +96,7 @@ public static CollectionValue Insert(CollectionValue collection, Value value)
 
         throw new ScriptRuntimeError($"Inserted value {value.FriendlyName()} has to be the same type as the collection ({FriendlyName(type)}).");
     }
+    public CollectionValue Insert(Value val) => CollectionValue.Insert(this, val);
 
     /// <summary>
     /// Removes every match if <paramref name="amountToRemove"/> is -1
@@ -125,11 +126,16 @@ public static CollectionValue Remove(CollectionValue collection, Value value, in
 
         return new CollectionValue(values);
     }
+    public CollectionValue Remove(Value val, int amountToRemove = -1) => CollectionValue.Remove(this, val, amountToRemove);
 
     public static CollectionValue RemoveAt(CollectionValue collection, int index)
     {
         return new CollectionValue(collection.CastedValues.Where((_, i) => i != index - 1));
     }
+    public CollectionValue RemoveAt(int index) => CollectionValue.RemoveAt(this, index);
+
+    public static bool Contains(CollectionValue collection, Value value) => collection.CastedValues.Contains(value);
+    public bool Contains(Value val) => CollectionValue.Contains(this, val);
 
     public static CollectionValue operator +(CollectionValue lhs, CollectionValue rhs)
     {