Make sure that music file exists before start of playback

App/Presenters/Controls/MusicControlPresenter.cs

@@ -1,5 +1,6 @@
 using System;
 using System.ComponentModel;
+using System.IO;
 using System.Threading;
 using System.Timers;
 using CollectionManager.DataTypes;
@@ -102,7 +103,7 @@ private void ModelOnBeatmapChanged(object sender, EventArgs eventArgs)
             if (map == null || !_view.IsAutoPlayEnabled)
                 return;
             var audioLocation = ((BeatmapExtension)map).FullAudioFileLocation();
-            if ((_lastAudioFileLocation == audioLocation || string.IsNullOrWhiteSpace(audioLocation)) && _view.IsMusicPlayerMode && !musicPlayer.IsPlaying)
+            if (ShouldSkipTrack(audioLocation))
             {
                 //Run as worker to avoid eventual stack overflow exception (eg. too many maps with no audio file in a row)
                 RunAsWorker(() => _model.EmitNextMapRequest());
@@ -112,6 +113,14 @@ private void ModelOnBeatmapChanged(object sender, EventArgs eventArgs)
             PlayBeatmap(map);
         }
 
+        private bool ShouldSkipTrack(string audioLocation)
+        {
+            if ((_lastAudioFileLocation == audioLocation || string.IsNullOrWhiteSpace(audioLocation)) &&
+                _view.IsMusicPlayerMode && !musicPlayer.IsPlaying)
+                return true;
+
+            return !File.Exists(audioLocation);
+        }
         private void PlayBeatmap(Beatmap map)
         {
             var audioLocation = ((BeatmapExtension)map).FullAudioFileLocation();