Fix AudioSystem nullability checks for engine PR (#32233)

Content.Client/Audio/AmbientSoundSystem.cs

@@ -306,6 +306,9 @@ public sealed class AmbientSoundSystem : SharedAmbientSoundSystem
                     .WithMaxDistance(comp.Range);
 
                 var stream = _audio.PlayEntity(comp.Sound, Filter.Local(), uid, false, audioParams);
+                if (stream == null)
+                    continue;
+
                 _playingSounds[sourceEntity] = (stream.Value.Entity, comp.Sound, key);
                 playingCount++;
 

Content.Client/Audio/ClientGlobalSoundSystem.cs

@@ -67,7 +67,7 @@ public sealed class ClientGlobalSoundSystem : SharedGlobalSoundSystem
         if(!_adminAudioEnabled) return;
 
         var stream = _audio.PlayGlobal(soundEvent.Filename, Filter.Local(), false, soundEvent.AudioParams);
-        _adminAudio.Add(stream.Value.Entity);
+        _adminAudio.Add(stream?.Entity);
     }
 
     private void PlayStationEventMusic(StationEventMusicEvent soundEvent)
@@ -76,7 +76,7 @@ public sealed class ClientGlobalSoundSystem : SharedGlobalSoundSystem
         if(!_eventAudioEnabled || _eventAudio.ContainsKey(soundEvent.Type)) return;
 
         var stream = _audio.PlayGlobal(soundEvent.Filename, Filter.Local(), false, soundEvent.AudioParams);
-        _eventAudio.Add(soundEvent.Type, stream.Value.Entity);
+        _eventAudio.Add(soundEvent.Type, stream?.Entity);
     }
 
     private void PlayGameSound(GameGlobalSoundEvent soundEvent)

Content.Client/Audio/ContentAudioSystem.AmbientMusic.cs

@@ -213,9 +213,9 @@ public sealed partial class ContentAudioSystem
             false,
             AudioParams.Default.WithVolume(_musicProto.Sound.Params.Volume + _volumeSlider));
 
-        _ambientMusicStream = strim.Value.Entity;
+        _ambientMusicStream = strim?.Entity;
 
-        if (_musicProto.FadeIn)
+        if (_musicProto.FadeIn && strim != null)
         {
             FadeIn(_ambientMusicStream, strim.Value.Component, AmbientMusicFadeTime);
         }

Content.Client/Audio/ContentAudioSystem.LobbyMusic.cs

@@ -185,7 +185,7 @@ public sealed partial class ContentAudioSystem
             false,
             _lobbySoundtrackParams.WithVolume(_lobbySoundtrackParams.Volume + SharedAudioSystem.GainToVolume(_configManager.GetCVar(CCVars.LobbyMusicVolume)))
         );
-        if (playResult.Value.Entity == default)
+        if (playResult == null)
         {
             _sawmill.Warning(
                 $"Tried to play lobby soundtrack '{{Filename}}' using {nameof(SharedAudioSystem)}.{nameof(SharedAudioSystem.PlayGlobal)} but it returned default value of EntityUid!",

Content.Client/Traits/ParacusiaSystem.cs

@@ -69,7 +69,7 @@ public sealed class ParacusiaSystem : SharedParacusiaSystem
         var newCoords = Transform(uid).Coordinates.Offset(randomOffset);
 
         // Play the sound
-        paracusia.Stream = _audio.PlayStatic(paracusia.Sounds, uid, newCoords).Value.Entity;
+        paracusia.Stream = _audio.PlayStatic(paracusia.Sounds, uid, newCoords)?.Entity;
     }
 
 }

Content.Client/Weather/WeatherSystem.cs

@@ -47,10 +47,11 @@ public sealed class WeatherSystem : SharedWeatherSystem
         if (!Timing.IsFirstTimePredicted || weatherProto.Sound == null)
             return;
 
-        weather.Stream ??= _audio.PlayGlobal(weatherProto.Sound, Filter.Local(), true).Value.Entity;
+        weather.Stream ??= _audio.PlayGlobal(weatherProto.Sound, Filter.Local(), true)?.Entity;
+
+        if (!TryComp(weather.Stream, out AudioComponent? comp))
+            return;
 
-        var stream = weather.Stream.Value;
-        var comp = Comp<AudioComponent>(stream);
         var occlusion = 0f;
 
         // Work out tiles nearby to determine volume.
@@ -115,7 +116,7 @@ public sealed class WeatherSystem : SharedWeatherSystem
 
         var alpha = GetPercent(weather, uid);
         alpha *= SharedAudioSystem.VolumeToGain(weatherProto.Sound.Params.Volume);
-        _audio.SetGain(stream, alpha, comp);
+        _audio.SetGain(weather.Stream, alpha, comp);
         comp.Occlusion = occlusion;
     }
 

Content.Server/Kitchen/EntitySystems/MicrowaveSystem.cs

@@ -112,7 +112,7 @@ namespace Content.Server.Kitchen.EntitySystems
             SetAppearance(ent.Owner, MicrowaveVisualState.Cooking, microwaveComponent);
 
             microwaveComponent.PlayingStream =
-                _audio.PlayPvs(microwaveComponent.LoopingSound, ent, AudioParams.Default.WithLoop(true).WithMaxDistance(5)).Value.Entity;
+                _audio.PlayPvs(microwaveComponent.LoopingSound, ent, AudioParams.Default.WithLoop(true).WithMaxDistance(5))?.Entity;
         }
 
         private void OnCookStop(Entity<ActiveMicrowaveComponent> ent, ref ComponentShutdown args)

Content.Server/Kitchen/EntitySystems/ReagentGrinderSystem.cs

@@ -305,7 +305,7 @@ namespace Content.Server.Kitchen.EntitySystems
             active.Program = program;
 
             reagentGrinder.AudioStream = _audioSystem.PlayPvs(sound, uid,
-                AudioParams.Default.WithPitchScale(1 / reagentGrinder.WorkTimeMultiplier)).Value.Entity; //slightly higher pitched
+                AudioParams.Default.WithPitchScale(1 / reagentGrinder.WorkTimeMultiplier))?.Entity; //slightly higher pitched
             _userInterfaceSystem.ServerSendUiMessage(uid, ReagentGrinderUiKey.Key,
                 new ReagentGrinderWorkStartedMessage(program));
         }

Content.Server/Mech/Equipment/EntitySystems/MechGrabberSystem.cs

@@ -155,7 +155,7 @@ public sealed class MechGrabberSystem : EntitySystem
             return;
 
         args.Handled = true;
-        component.AudioStream = _audio.PlayPvs(component.GrabSound, uid).Value.Entity;
+        component.AudioStream = _audio.PlayPvs(component.GrabSound, uid)?.Entity;
         var doAfterArgs = new DoAfterArgs(EntityManager, args.User, component.GrabDelay, new GrabberDoAfterEvent(), uid, target: target, used: uid)
         {
             BreakOnMove = true

Content.Server/Salvage/SalvageSystem.Runner.cs

@@ -154,8 +154,8 @@ public sealed partial class SalvageSystem
             }
             else if (comp.Stream == null && remaining < audioLength)
             {
-                var audio = _audio.PlayPvs(comp.Sound, uid).Value;
+                var audio = _audio.PlayPvs(comp.Sound, uid);
-                comp.Stream = audio.Entity;
+                comp.Stream = audio?.Entity;
                 _audio.SetMapAudio(audio);
                 comp.Stage = ExpeditionStage.MusicCountdown;
                 Dirty(uid, comp);

Content.Server/Shuttles/Systems/ShuttleSystem.FasterThanLight.cs

@@ -397,7 +397,8 @@ public sealed partial class ShuttleSystem
                 new EntityCoordinates(fromMapUid.Value, _mapSystem.GetGridPosition(entity.Owner)), true, startupAudio.Params);
 
             _audio.SetPlaybackPosition(clippedAudio, entity.Comp1.StartupTime);
-            clippedAudio.Value.Component.Flags |= AudioFlags.NoOcclusion;
+            if (clippedAudio != null)
+                clippedAudio.Value.Component.Flags |= AudioFlags.NoOcclusion;
         }
 
         // Offset the start by buffer range just to avoid overlap.