Kick mines (real) (#8056)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Client/GhostKick/GhostKickManager.cs

@@ -0,0 +1,40 @@
+using Content.Shared.GhostKick;
+using Robust.Client;
+using Robust.Shared;
+using Robust.Shared.Configuration;
+using Robust.Shared.Network;
+
+namespace Content.Client.GhostKick;
+
+public sealed class GhostKickManager
+{
+    private bool _fakeLossEnabled;
+
+    [Dependency] private readonly IBaseClient _baseClient = default!;
+    [Dependency] private readonly IClientNetManager _netManager = default!;
+    [Dependency] private readonly IConfigurationManager _cfg = default!;
+
+    public void Initialize()
+    {
+        _netManager.RegisterNetMessage<MsgGhostKick>(RxCallback);
+
+        _baseClient.RunLevelChanged += BaseClientOnRunLevelChanged;
+    }
+
+    private void BaseClientOnRunLevelChanged(object? sender, RunLevelChangedEventArgs e)
+    {
+        if (_fakeLossEnabled && e.OldLevel == ClientRunLevel.InGame)
+        {
+            _cfg.SetCVar(CVars.NetFakeLoss, 0);
+
+            _fakeLossEnabled = false;
+        }
+    }
+
+    private void RxCallback(MsgGhostKick message)
+    {
+        _fakeLossEnabled = true;
+
+        _cfg.SetCVar(CVars.NetFakeLoss, 1);
+    }
+}