Dynamic Hostname System (#121)

* first

* Update Resources/Locale/ru-RU/_CorvaxNext/dynamichostname/hostname.ftl

Content.Server/_CorvaxNext/DynamicHostname/DynamicHostnameSystem.cs

@@ -0,0 +1,81 @@
+using Content.Server.GameTicking;
+using Content.Server.Maps;
+using Content.Shared.CCVar;
+using Content.Shared.GameTicking;
+using Robust.Shared;
+using Robust.Shared.Configuration;
+
+namespace Content.Server.DynamicHostname;
+
+
+/// <summary>
+/// This handles dynamically updating hostnames.
+/// </summary>
+public sealed class DynamicHostnameSystem : EntitySystem
+{
+    [Dependency] private readonly IConfigurationManager _configuration = default!;
+    [Dependency] private readonly GameTicker _gameTicker = default!;
+    [Dependency] private readonly IGameMapManager _mapManager = default!;
+
+    private string OriginalHostname { get; set; } = string.Empty;
+
+    /// <inheritdoc/>
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<GameRunLevelChangedEvent>(OnRunLevelChanged);
+        SubscribeLocalEvent<RoundStartedEvent>(OnRoundStarted);
+
+        OriginalHostname = _configuration.GetCVar(CVars.GameHostName);
+        AttemptUpdateHostname();
+    }
+
+    private void OnRunLevelChanged(GameRunLevelChangedEvent ev) => AttemptUpdateHostname();
+    private void OnRoundStarted(RoundStartedEvent ev) => AttemptUpdateHostname();
+
+    private void OnValueChanged(bool newValue)
+    {
+        if (!newValue)
+            _configuration.SetCVar(CVars.GameHostName, OriginalHostname);
+
+        AttemptUpdateHostname();
+    }
+
+    private void AttemptUpdateHostname()
+    {
+        var currentMapName = _mapManager.GetSelectedMap()?.MapName;
+        var currentPresetName = _gameTicker.CurrentPreset?.ModeTitle;
+
+        UpdateHostname(currentMapName, currentPresetName);
+    }
+
+    private string GetLocId()
+    {
+        switch (_gameTicker.RunLevel)
+        {
+            case GameRunLevel.InRound:
+                return "in-round";
+            case GameRunLevel.PostRound:
+                return "post-round";
+            default:
+                return "in-lobby";
+        }
+    }
+
+    private void UpdateHostname(string? currentMapName = null, string? currentPresetName = null)
+    {
+        var locId = GetLocId();
+        var presetName = "No preset";
+
+        if (currentPresetName != null)
+            presetName = Loc.GetString(currentPresetName);
+
+        var hostname = Loc.GetString($"dynamic-hostname-{locId}-hostname",
+            ("originalHostName", OriginalHostname),
+            ("preset", presetName),
+            ("mapName", currentMapName ?? "No Map"));
+
+        _configuration.SetCVar(CVars.GameHostName, hostname);
+    }
+}

Resources/Locale/ru-RU/_CorvaxNext/dynamichostname/hostname.ftl

@@ -0,0 +1,3 @@
+dynamic-hostname-in-lobby-hostname = { $originalHostName } | В Лобби
+dynamic-hostname-in-round-hostname = { $originalHostName } | Идёт раунд на { $mapName }!
+dynamic-hostname-post-round-hostname = { $originalHostName } | Раунд закончился!