Fixing an issue with mmoedit triggering notifications for skills already unlocked

Changelog.txt

@@ -10,6 +10,8 @@ Key:
 Version 2.1.31
     Fixed a bug where certain SubSkills did not properly send unlock or rank up notifications
     Fixed a bug where unlock notifications would send simultaneously for a specific skill (still happens if mmoedit changes all skill levels on a player at once)
+    Fixed NPE with grabbing offline player skill ranks through certain API methods (thanks Ineusia)
+    Updated German language locale (thanks OverCrave)
 
 Version 2.1.30
     Fixed double drops behaving oddly

src/main/java/com/gmail/nossr50/commands/experience/MmoeditCommand.java

@@ -36,7 +36,7 @@ public class MmoeditCommand extends ExperienceCommand {
             return;
         }
 
-        EventUtils.handleLevelChangeEvent(player, skill, value, xpRemoved, value > skillLevel, XPGainReason.COMMAND);
+        EventUtils.handleLevelChangeEventEdit(player, skill, value, xpRemoved, value > skillLevel, XPGainReason.COMMAND, skillLevel);
     }
 
     @Override

src/main/java/com/gmail/nossr50/util/EventUtils.java

@@ -198,6 +198,22 @@ public class EventUtils {
         return !isCancelled;
     }
 
+    public static boolean handleLevelChangeEventEdit(Player player, PrimarySkillType skill, int levelsChanged, float xpRemoved, boolean isLevelUp, XPGainReason xpGainReason, int oldLevel) {
+        McMMOPlayerLevelChangeEvent event = isLevelUp ? new McMMOPlayerLevelUpEvent(player, skill, levelsChanged - oldLevel, xpGainReason) : new McMMOPlayerLevelDownEvent(player, skill, levelsChanged, xpGainReason);
+        mcMMO.p.getServer().getPluginManager().callEvent(event);
+
+        boolean isCancelled = event.isCancelled();
+
+        if (isCancelled) {
+            PlayerProfile profile = UserManager.getPlayer(player).getProfile();
+
+            profile.modifySkill(skill, profile.getSkillLevel(skill) - (isLevelUp ? levelsChanged : -levelsChanged));
+            profile.addXp(skill, xpRemoved);
+        }
+
+        return !isCancelled;
+    }
+
     /**
      * Simulate a block break event.
      *