Only ignore 0 dmg if specific plugins are detected

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

@@ -102,6 +102,7 @@ public class mcMMO extends JavaPlugin {
 
     /* Plugin Checks */
     private static boolean healthBarPluginEnabled;
+    private static boolean projectKorraEnabled;
 
     // API checks
     private static boolean serverAPIOutdated = false;
@@ -159,6 +160,7 @@ public class mcMMO extends JavaPlugin {
 
             PluginManager pluginManager = getServer().getPluginManager();
             healthBarPluginEnabled = pluginManager.getPlugin("HealthBar") != null;
+            projectKorraEnabled = pluginManager.getPlugin("ProjectKorra") != null;
 
             upgradeManager = new UpgradeManager();
 
@@ -182,6 +184,10 @@ public class mcMMO extends JavaPlugin {
                 checkModConfigs();
             }
 
+            if(projectKorraEnabled) {
+                getLogger().info("ProjectKorra was detected, this can cause some issues with weakness potions and combat skills for mcMMO");
+            }
+
             if (healthBarPluginEnabled) {
                 getLogger().info("HealthBar plugin found, mcMMO's healthbars are automatically disabled.");
             }
@@ -689,4 +695,8 @@ public class mcMMO extends JavaPlugin {
     public static BukkitAudiences getAudiences() {
         return audiences;
     }
+
+    public static boolean isProjectKorraEnabled() {
+        return projectKorraEnabled;
+    }
 }