Reorganize commands into the Commands folder (#2679)

* Reorganize commands into the Commands folder

* RIDER

Content.Server/Commands/GameTicking/JoinGameCommand.cs

@@ -0,0 +1,58 @@
+using System.Collections.Generic;
+using Content.Server.Administration;
+using Content.Server.GameTicking;
+using Content.Server.Interfaces.GameTicking;
+using Content.Shared.Roles;
+using Robust.Server.Interfaces.Console;
+using Robust.Server.Interfaces.Player;
+using Robust.Shared.IoC;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.Commands.GameTicking
+{
+    [AnyCommand]
+    class JoinGameCommand : IClientCommand
+    {
+        [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
+
+        public string Command => "joingame";
+        public string Description => "";
+        public string Help => "";
+
+        public JoinGameCommand()
+        {
+            IoCManager.InjectDependencies(this);
+        }
+        public void Execute(IConsoleShell shell, IPlayerSession player, string[] args)
+        {
+            var output = string.Join(".", args);
+            if (player == null)
+            {
+                return;
+            }
+
+            var ticker = IoCManager.Resolve<IGameTicker>();
+            if (ticker.RunLevel == GameRunLevel.PreRoundLobby)
+            {
+                shell.SendText(player, "Round has not started.");
+                return;
+            }
+            else if(ticker.RunLevel == GameRunLevel.InRound)
+            {
+                string ID = args[0];
+                var positions = ticker.GetAvailablePositions();
+
+                if(positions.GetValueOrDefault(ID, 0) == 0) //n < 0 is treated as infinite
+                {
+                    var jobPrototype = _prototypeManager.Index<JobPrototype>(ID);
+                    shell.SendText(player, $"{jobPrototype.Name} has no available slots.");
+                    return;
+                }
+                ticker.MakeJoinGame(player, args[0].ToString());
+                return;
+            }
+
+            ticker.MakeJoinGame(player, null);
+        }
+    }
+}