Explosion SFX juicing + higher persistence (#22544)

Content.Server/Explosion/EntitySystems/ExplosionSystem.cs

@@ -63,7 +63,7 @@ public sealed partial class ExplosionSystem : EntitySystem
     /// </summary>
     public const ushort DefaultTileSize = 1;
 
-    private AudioParams _audioParams = AudioParams.Default.WithVolume(-3f);
+    public const int MaxExplosionAudioRange = 30;
 
     /// <summary>
     ///     The "default" explosion prototype.
@@ -328,15 +328,33 @@ public sealed partial class ExplosionSystem : EntitySystem
         var visualEnt = CreateExplosionVisualEntity(epicenter, type.ID, spaceMatrix, spaceData, gridData.Values, iterationIntensity);
 
         // camera shake
-        CameraShake(iterationIntensity.Count * 2.5f, epicenter, totalIntensity);
+        CameraShake(iterationIntensity.Count * 4f, epicenter, totalIntensity);
 
         //For whatever bloody reason, sound system requires ENTITY coordinates.
         var mapEntityCoords = EntityCoordinates.FromMap(EntityManager, _mapManager.GetMapEntityId(epicenter.MapId), epicenter);
 
         // play sound.
-        var audioRange = iterationIntensity.Count * 5;
+        // for the normal audio, we want everyone in pvs range
+        // + if the bomb is big enough, people outside of it too
+        // this is capped to 30 because otherwise really huge bombs
+        // will attempt to play regular audio for people who can't hear it anyway because the epicenter is so far away
+        var audioRange = Math.Min(iterationIntensity.Count * 2, MaxExplosionAudioRange);
         var filter = Filter.Pvs(epicenter).AddInRange(epicenter, audioRange);
-        _audio.PlayStatic(type.Sound.GetSound(), filter, mapEntityCoords, true, _audioParams);
+        var sound = iterationIntensity.Count < type.SmallSoundIterationThreshold
+            ? type.SmallSound
+            : type.Sound;
+
+        _audio.PlayStatic(sound, filter, mapEntityCoords, true, sound.Params);
+
+        // play far sound
+        // far sound should play for anyone who wasn't in range of any of the effects of the bomb
+        var farAudioRange = iterationIntensity.Count * 5;
+        var farFilter = Filter.Empty().AddInRange(epicenter, farAudioRange).RemoveInRange(epicenter, audioRange);
+        var farSound = iterationIntensity.Count < type.SmallSoundIterationThreshold
+            ? type.SmallSoundFar
+            : type.SoundFar;
+
+        _audio.PlayGlobal(farSound, farFilter, true, farSound.Params);
 
         return new Explosion(this,
             type,