Playlist contains a full shuffle now.

src/main/java/me/mctp/api/maps/SongList.java

@@ -2,7 +2,12 @@ package me.mctp.api.maps;
 
 import java.util.*;
 
-public class Playlist<E> extends ArrayList<E> {
+/**
+ * An {@link ArrayList} with shuffle support.
+ *
+ * @param <E> The type you want to store
+ */
+public class SongList<E> extends ArrayList<E> {
     public void shuffle() {
         Random random = new Random();
 

src/main/java/me/mctp/commands/MCTPAudioCMD.java

@@ -36,7 +36,7 @@ public class MCTPAudioCMD implements CommandExecutor {
                     Main.getPlaylist().stop();
                     sender.sendMessage(prefix + "De auto radio is stopgezet. Zodra het huidige nummer is afgelopen, gebeurt er niks meer.");
                 } else {
-                    Main.getPlaylist().init();
+                    Main.getPlaylist().start();
                     sender.sendMessage(prefix + "De auto radio is weer gestart.");
                 }
                 return true;

src/main/java/me/mctp/radio/Playlist.java

@@ -3,6 +3,7 @@ package me.mctp.radio;
 import com.mpatric.mp3agic.InvalidDataException;
 import com.mpatric.mp3agic.UnsupportedTagException;
 import me.mctp.Main;
+import me.mctp.api.maps.SongList;
 import me.mctp.managers.PinManager;
 import me.mctp.utils.HeadUtil;
 import org.bukkit.Bukkit;
@@ -13,21 +14,24 @@ import org.json.simple.JSONObject;
 import java.io.IOException;
 
 public class Playlist {
-    private final me.mctp.api.maps.Playlist<String> songList = new me.mctp.api.maps.Playlist<>();
+    private SongList<String> playList = new SongList<>();
+    private final SongList<String> playedList = new SongList<>();
+
     private boolean running = false;
     private BukkitTask currentTimer;
 
     /**
-     * Init, load all the songs from the data and start first
+     * Create a new PlayList object
+     * Starts the playlist
      */
     public Playlist() {
-        init();
+        start();
     }
 
     /**
-     * Load the songs into the system and start
+     * Start this playlist
      */
-    public void init() {
+    public void start() {
         for (String URL : Main.getPlugin().getConfig().getStringList("RadioSongs")) {
             addSong(URL);
         }
@@ -38,10 +42,10 @@ public class Playlist {
     }
 
     /**
-     * Stop the playlist (clears the queue)
+     * Stop the playlist
      */
     public void stop() {
-        songList.clear();
+        playList.clear();
 
         if (currentTimer != null) {
             currentTimer.cancel();
@@ -56,8 +60,8 @@ public class Playlist {
      * @param url The song url (mp3)
      */
     public void addSong(String url) {
-        songList.add(url);
-        songList.shuffle();
+        playList.add(url);
+        playList.shuffle();
     }
 
     /**
@@ -66,12 +70,19 @@ public class Playlist {
     public void nextSong() {
         if (currentTimer != null) return;
 
-        if (songList.isEmpty()) return;
+        if (playList.isEmpty()) {
+            //All numbers played
+            playList = (SongList<String>) playedList.clone(); //Copy a clone.
+            playedList.clear();
+        }
 
         //Get song
-        String nextURL = songList.getRandom();
+        String nextURL = playList.getRandom();
         if (nextURL == null) return;
 
+        playList.remove(nextURL);
+        playedList.add(nextURL);
+
         JSONObject data;
         for (Player p : Bukkit.getOnlinePlayers()) {
             data = new JSONObject();
@@ -107,9 +118,14 @@ public class Playlist {
         }, ticks);
 
         //Shuffle playlist again
-        songList.shuffle();
+        playList.shuffle();
     }
 
+    /**
+     * Check if the playlist is running
+     *
+     * @return true if running
+     */
     public boolean isRunning() {
         return running;
     }