Add option to use scoreboards for power level display, similar to the

Spout titles. This will NOT override any existing plugin that uses the
overhead scoreboard slot.

src/main/java/com/gmail/nossr50/config/Config.java

@@ -80,6 +80,8 @@ public class Config extends AutoUpdateConfigLoader {
     public boolean getSkillScoreboardEnabled() { return config.getBoolean("Scoreboards.Skillname.Use", true); }
     public int getSkillScoreboardTime() { return config.getInt("Scoreboards.Skillname.Display_Time", 10); }
 
+    public boolean getPowerLevelsEnabled() { return config.getBoolean("Scoreboards.Power_Level.Use", true); }
+
     /* Database Purging */
     public int getPurgeInterval() { return config.getInt("Database_Purging.Purge_Interval", -1); }
     public int getOldUsersCutoff() { return config.getInt("Database_Purging.Old_User_Cutoff", 6); }

src/main/java/com/gmail/nossr50/listeners/PlayerListener.java

@@ -54,6 +54,7 @@ import com.gmail.nossr50.util.MobHealthbarUtils;
 import com.gmail.nossr50.util.Motd;
 import com.gmail.nossr50.util.Permissions;
 import com.gmail.nossr50.util.player.UserManager;
+import com.gmail.nossr50.util.scoreboards.ScoreboardManager;
 import com.gmail.nossr50.util.skills.SkillUtils;
 
 public class PlayerListener implements Listener {
@@ -144,6 +145,7 @@ public class PlayerListener implements Listener {
         }
 
         UserManager.addUser(player).actualizeRespawnATS();
+        ScoreboardManager.enablePowerLevelDisplay(player);
     }
 
     /**

src/main/java/com/gmail/nossr50/runnables/scoreboards/ScoreboardChangeTask.java

@@ -19,6 +19,7 @@ public class ScoreboardChangeTask extends BukkitRunnable {
     public void run() {
         if (player.isOnline()) {
             player.setScoreboard(oldScoreboard);
+            ScoreboardManager.enablePowerLevelDisplay(player);
         }
 
         ScoreboardManager.clearPendingTask(player.getName());

src/main/java/com/gmail/nossr50/util/scoreboards/ScoreboardManager.java

@@ -23,6 +23,7 @@ import com.gmail.nossr50.datatypes.player.PlayerProfile;
 import com.gmail.nossr50.datatypes.skills.SkillType;
 import com.gmail.nossr50.runnables.scoreboards.ScoreboardChangeTask;
 import com.gmail.nossr50.util.Permissions;
+import com.gmail.nossr50.util.player.UserManager;
 import com.gmail.nossr50.util.skills.SkillUtils;
 
 public class ScoreboardManager {
@@ -32,6 +33,7 @@ public class ScoreboardManager {
     private final static String PLAYER_STATS_HEADER   = "mcMMO Stats";
     private final static String PLAYER_RANK_HEADER    = "mcMMO Rankings";
     private final static String PLAYER_INSPECT_HEADER = "mcMMO Stats: ";
+    private final static String POWER_LEVEL_HEADER    = "Power Level";
 
     private final static List<String> SCOREBOARD_TASKS = new ArrayList<String>();
 
@@ -43,6 +45,32 @@ public class ScoreboardManager {
         PLAYER_SCOREBOARDS.put(playerName, mcMMO.p.getServer().getScoreboardManager().getNewScoreboard());
     }
 
+    public static void enablePowerLevelDisplay(Player player) {
+        if (!Config.getInstance().getPowerLevelsEnabled()) {
+            return;
+        }
+
+        Scoreboard scoreboard = player.getScoreboard();
+        Objective objective;
+
+        if (scoreboard.getObjective(DisplaySlot.BELOW_NAME) == null) {
+            objective = scoreboard.registerNewObjective(POWER_LEVEL_HEADER, "dummy");
+
+            objective.getScore(player).setScore(UserManager.getPlayer(player).getPowerLevel());
+            objective.setDisplaySlot(DisplaySlot.BELOW_NAME);
+        }
+        else {
+            objective = scoreboard.getObjective(POWER_LEVEL_HEADER);
+
+            if (scoreboard.getObjective(POWER_LEVEL_HEADER) != null) {
+                objective.getScore(player).setScore(UserManager.getPlayer(player).getPowerLevel());
+            }
+            else {
+                mcMMO.p.debug("Another plugin is using this scoreboard slot, so power levels cannot be enabled."); //TODO: Locale
+            }
+        }
+    }
+
     public static void enablePlayerSkillScoreboard(McMMOPlayer mcMMOPlayer, SkillType skill) {
         Player player = mcMMOPlayer.getPlayer();
         Scoreboard oldScoreboard = player.getScoreboard();
@@ -307,6 +335,7 @@ public class ScoreboardManager {
             String playerName = player.getName();
 
             player.setScoreboard(newScoreboard);
+            enablePowerLevelDisplay(player);
 
             if (displayTime != -1 && !SCOREBOARD_TASKS.contains(playerName)) {
                 new ScoreboardChangeTask(player, oldScoreboard).runTaskLater(mcMMO.p, displayTime * 20);

src/main/resources/config.yml

@@ -56,6 +56,9 @@ Scoreboards:
     Skillname:
         Use: true
         Display_Time: 10
+    # Should mcMMO display power levels on scoreboards?
+    Power_Level:
+        Use: true
 
 Mob_Healthbar:
     # Default display for mob health bars - HEARTS, BAR, or DISABLED