first commit

NitroxServer/ConsoleCommands/ChangeServerGamemodeCommand.cs

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+using System.IO;
+using NitroxModel.DataStructures.GameLogic;
+using NitroxModel.Packets;
+using NitroxModel.Serialization;
+using NitroxModel.Server;
+using NitroxServer.ConsoleCommands.Abstract;
+using NitroxServer.ConsoleCommands.Abstract.Type;
+using NitroxServer.GameLogic;
+
+namespace NitroxServer.ConsoleCommands;
+
+internal class ChangeServerGamemodeCommand : Command
+{
+    private readonly Server server;
+    private readonly PlayerManager playerManager;
+    private readonly SubnauticaServerConfig serverConfig;
+
+    public ChangeServerGamemodeCommand(Server server, PlayerManager playerManager, SubnauticaServerConfig serverConfig) : base("changeservergamemode", Perms.ADMIN, "Changes server gamemode")
+    {
+        AddParameter(new TypeEnum<NitroxGameMode>("gamemode", true, "Gamemode to change to"));
+
+        this.server = server;
+        this.playerManager = playerManager;
+        this.serverConfig = serverConfig;
+    }
+
+    protected override void Execute(CallArgs args)
+    {
+        NitroxGameMode sgm = args.Get<NitroxGameMode>(0);
+
+        using (serverConfig.Update(Path.Combine(KeyValueStore.Instance.GetSavesFolderDir(), server.Name)))
+        {
+            if (serverConfig.GameMode != sgm)
+            {
+                serverConfig.GameMode = sgm;
+
+                foreach (Player player in playerManager.GetAllPlayers())
+                {
+                    player.GameMode = sgm;
+                }
+                playerManager.SendPacketToAllPlayers(GameModeChanged.ForAllPlayers(sgm));
+                SendMessageToAllPlayers($"Server gamemode changed to \"{sgm}\" by {args.SenderName}");
+            }
+            else
+            {
+                SendMessage(args.Sender, "Server is already using this gamemode");
+            }
+        }
+    }
+}