Disable our healthbars when the plugin "HealthBar" is found

Adds #1477

Changelog.txt

@@ -52,6 +52,7 @@ Version 1.4.07-dev
  ! Updated localization files
  ! Party item share category states are now saved when the server shuts down.
  ! When using "Super Breaker" or "Giga Driller" abilities extra tool durability is used (again)
+ ! Mob healthbars are automatically disabled when the plugin "HealthBar" is found
  - The /mmoupdate command has been removed. It is replaced by /mcconvert database
  - Removed Abilities.Tools.Durability_Loss_Enabled, set Abilities.Tools.Durability_Loss to 0 to disable instead.
  - Removed SpoutPlugin support

src/main/java/com/gmail/nossr50/mcMMO.java

@@ -76,6 +76,7 @@ public class mcMMO extends JavaPlugin {
 
     /* Plugin Checks */
     private static boolean combatTagEnabled;
+    private static boolean healthBarEnabled;
 
     // Config Validation Check
     public boolean noErrorsInConfigFiles = true;
@@ -116,6 +117,11 @@ public class mcMMO extends JavaPlugin {
             }
 
             combatTagEnabled = getServer().getPluginManager().getPlugin("CombatTag") != null;
+            healthBarEnabled = getServer().getPluginManager().getPlugin("HealthBar") != null;
+
+            if (healthBarEnabled) {
+                getLogger().info("HealthBar plugin found, mcMMO's healthbars are automatically disabled.");
+            }
 
             databaseManager = DatabaseManagerFactory.getDatabaseManager();
 
@@ -257,6 +263,10 @@ public class mcMMO extends JavaPlugin {
         return combatTagEnabled;
     }
 
+    public static boolean isHealthBarEnabled() {
+        return healthBarEnabled;
+    }
+
     /**
      * Setup the various storage file paths
      */

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

@@ -40,7 +40,7 @@ public final class MobHealthbarUtils {
      * @param damage damage done by the attack triggering this
      */
     public static void handleMobHealthbars(Player player, LivingEntity target, double damage) {
-        if (!Permissions.mobHealthDisplay(player)) {
+        if (!mcMMO.isHealthBarEnabled() || !Permissions.mobHealthDisplay(player)) {
             return;
         }
 

src/main/resources/plugin.yml

@@ -15,7 +15,7 @@ authors: [GJ, NuclearW, bm01, Glitchfinder, TfT_02, t00thpick1]
 website: http://dev.bukkit.org/server-mods/mcmmo/
 
 main: com.gmail.nossr50.mcMMO
-softdepend: [CombatTag]
+softdepend: [CombatTag, HealthBar]
 load: STARTUP
 
 commands: