Shuffle

src/main/java/net/dv8tion/discord/music/PlayerControl.java

@@ -297,6 +297,17 @@ else if (".list".equals(command[0]))
                 }
             }
         }
+        else if (".shuffle".equals(command[0]))
+        {
+            if (scheduler.queue.isEmpty())
+            {
+                event.getChannel().sendMessage("The queue is currently empty!").queue();
+                return;
+            }
+
+            scheduler.shuffle();
+            event.getChannel().sendMessage("The queue has been shuffled!").queue();
+        }
     }
 
     private void loadAndPlay(GuildMusicManager mng, final MessageChannel channel, final String trackUrl, final boolean addPlaylist)

src/main/java/net/dv8tion/discord/music/TrackScheduler.java

@@ -5,8 +5,10 @@
 import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
 import com.sedmelluq.discord.lavaplayer.track.AudioTrackEndReason;
 
-import java.util.concurrent.BlockingQueue;
-import java.util.concurrent.LinkedBlockingQueue;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Queue;
 
 /**
  * This class schedules tracks for the audio player. It contains the queue of tracks.
@@ -15,7 +17,7 @@ public class TrackScheduler extends AudioEventAdapter
 {
     private boolean repeating = false;
     final AudioPlayer player;
-    final BlockingQueue<AudioTrack> queue;
+    final Queue<AudioTrack> queue;
     AudioTrack lastTrack;
 
     /**
@@ -24,7 +26,7 @@ public class TrackScheduler extends AudioEventAdapter
     public TrackScheduler(AudioPlayer player)
     {
         this.player = player;
-        this.queue = new LinkedBlockingQueue<>();
+        this.queue = new LinkedList<>();
     }
 
     /**
@@ -78,4 +80,9 @@ public void setRepeating(boolean repeating)
     {
         this.repeating = repeating;
     }
+
+    public void shuffle()
+    {
+        Collections.shuffle((List<?>) queue);
+    }
 }