Reorganize commands into the Commands folder (#2679)

* Reorganize commands into the Commands folder

* RIDER

Content.Server/Commands/Atmos/FillGasCommand.cs

@@ -0,0 +1,63 @@
+#nullable enable
+using Content.Server.Administration;
+using Content.Server.GameObjects.Components.Atmos;
+using Content.Shared.Administration;
+using Content.Shared.Atmos;
+using Robust.Server.Interfaces.Console;
+using Robust.Server.Interfaces.Player;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Map;
+using Robust.Shared.IoC;
+using Robust.Shared.Map;
+
+namespace Content.Server.Commands.Atmos
+{
+    [AdminCommand(AdminFlags.Debug)]
+    public class FillGas : IClientCommand
+    {
+        public string Command => "fillgas";
+        public string Description => "Adds gas to all tiles in a grid.";
+        public string Help => "fillgas <GridId> <Gas> <moles>";
+
+        public void Execute(IConsoleShell shell, IPlayerSession? player, string[] args)
+        {
+            if (args.Length < 3) return;
+            if(!int.TryParse(args[0], out var id)
+               || !(AtmosCommandUtils.TryParseGasID(args[1], out var gasId))
+               || !float.TryParse(args[2], out var moles)) return;
+
+            var gridId = new GridId(id);
+
+            var mapMan = IoCManager.Resolve<IMapManager>();
+
+            if (!gridId.IsValid() || !mapMan.TryGetGrid(gridId, out var gridComp))
+            {
+                shell.SendText(player, "Invalid grid ID.");
+                return;
+            }
+
+            var entMan = IoCManager.Resolve<IEntityManager>();
+
+            if (!entMan.TryGetEntity(gridComp.GridEntityId, out var grid))
+            {
+                shell.SendText(player, "Failed to get grid entity.");
+                return;
+            }
+
+            if (!grid.HasComponent<GridAtmosphereComponent>())
+            {
+                shell.SendText(player, "Grid doesn't have an atmosphere.");
+                return;
+            }
+
+            var gam = grid.GetComponent<GridAtmosphereComponent>();
+
+            foreach (var tile in gam)
+            {
+                tile.Air?.AdjustMoles(gasId, moles);
+                gam.Invalidate(tile.GridIndices);
+            }
+        }
+    }
+
+}