Event Music & Nuke Countdown Song (#8597)

Co-authored-by: ike709 <ike709@github.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Audio/ServerGlobalSoundSystem.cs

@@ -0,0 +1,136 @@
+using Content.Server.Administration;
+using Content.Server.Station.Components;
+using Content.Server.Station.Systems;
+using Content.Shared.Administration;
+using Content.Shared.Audio;
+using Content.Shared.Sound;
+using Robust.Server.Player;
+using Robust.Shared.Audio;
+using Robust.Shared.Console;
+using Robust.Shared.Player;
+
+namespace Content.Server.Audio;
+
+public sealed class ServerGlobalSoundSystem : SharedGlobalSoundSystem
+{
+    [Dependency] private readonly IConsoleHost _conHost = default!;
+    [Dependency] private readonly IPlayerManager _playerManager = default!;
+    [Dependency] private readonly StationSystem _stationSystem = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        _conHost.RegisterCommand("playglobalsound", Loc.GetString("play-global-sound-command-description"), Loc.GetString("play-global-sound-command-help"), PlayGlobalSoundCommand);
+    }
+
+    public override void Shutdown()
+    {
+        base.Shutdown();
+        _conHost.UnregisterCommand("playglobalsound");
+    }
+
+    private void PlayAdminGlobal(Filter playerFilter, string filename, AudioParams? audioParams = null)
+    {
+        var msg = new AdminSoundEvent(filename, audioParams);
+        RaiseNetworkEvent(msg, playerFilter);
+    }
+
+    private Filter GetStationAndPvs(EntityUid source)
+    {
+        var stationFilter = _stationSystem.GetInStation(source);
+        stationFilter.AddPlayersByPvs(source, entityManager: EntityManager);
+        return stationFilter;
+    }
+
+    public void PlayGlobalOnStation(EntityUid source, string filename, AudioParams? audioParams = null)
+    {
+        var msg = new GameGlobalSoundEvent(filename, audioParams);
+        var filter = GetStationAndPvs(source);
+        RaiseNetworkEvent(msg, filter);
+    }
+
+    public void StopStationEventMusic(EntityUid source, StationEventMusicType type)
+    {
+        var msg = new StopStationEventMusic(type);
+        var filter = GetStationAndPvs(source);
+        RaiseNetworkEvent(msg, filter);
+    }
+
+    public void DispatchStationEventMusic(EntityUid source, SoundSpecifier sound, StationEventMusicType type)
+    {
+        var audio = AudioParams.Default.WithVolume(-8);
+        var soundFile = sound.GetSound();
+        var msg = new StationEventMusicEvent(soundFile, type, audio);
+
+        var filter = GetStationAndPvs(source);
+        RaiseNetworkEvent(msg, filter);
+    }
+
+    /// <summary>
+    ///     Command that allows admins to play global sounds.
+    /// </summary>
+    [AdminCommand(AdminFlags.Fun)]
+    public void PlayGlobalSoundCommand(IConsoleShell shell, string argStr, string[] args)
+    {
+        Filter filter;
+        var audio = AudioParams.Default.WithVolume(-8);
+
+        switch (args.Length)
+        {
+            // No arguments, show command help.
+            case 0:
+                shell.WriteLine(Loc.GetString("play-global-sound-command-help"));
+                return;
+
+            // No users, play sound for everyone.
+            case 1:
+                // Filter.Broadcast does resolves IPlayerManager, so use this instead.
+                filter = Filter.Empty().AddAllPlayers(_playerManager);
+                break;
+
+            // One or more users specified.
+            default:
+                var volumeOffset = 0;
+
+                // Try to specify a new volume to play it at.
+                if (int.TryParse(args[1], out var volume))
+                {
+                    audio = audio.WithVolume(volume);
+                    volumeOffset = 1;
+                }
+                else
+                {
+                    shell.WriteError(Loc.GetString("play-global-sound-command-volume-parse", ("volume", args[1])));
+                    return;
+                }
+
+                // No users specified so play for them all.
+                if (args.Length == 2)
+                {
+                    filter = Filter.Empty().AddAllPlayers(_playerManager);
+                }
+                else
+                {
+                    filter = Filter.Empty();
+
+                    // Skip the first argument, which is the sound path.
+                    for (var i = 1 + volumeOffset; i < args.Length; i++)
+                    {
+                        var username = args[i];
+
+                        if (!_playerManager.TryGetSessionByUsername(username, out var session))
+                        {
+                            shell.WriteError(Loc.GetString("play-global-sound-command-player-not-found", ("username", username)));
+                            continue;
+                        }
+
+                        filter.AddPlayer(session);
+                    }
+                }
+
+                break;
+        }
+
+        PlayAdminGlobal(filter, args[0], audio);
+    }
+}