Reducing the amount of config confusion for retro mode

This is to avoid confusion, if you want this kind of customization I'll add it in but disassociate it with retro mode.

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

@@ -246,13 +246,7 @@ public class Config extends AutoUpdateConfigLoader {
     /* General Settings */
 
     //Retro mode will default the value to true if the config file doesn't contain the entry (server is from a previous mcMMO install)
-    public boolean getIsRetroMode() { return config.getBoolean("General.RetroMode", true); }
-
-    //XP needed to level is multiplied by this when using classic mode
-    public int getClassicModeXPFormulaFactor() { return config.getInt("General.Skill_Scaling.RetroMode_XP_Formula_Factor", 1); }
-
-    //Level requirements for subskills is multiplied by this when using classic mode
-    public int getClassicModeLevelReqFactor() { return config.getInt("General.Skill_Scaling.RetroMode_LevelReq_Factor", 10); }
+    public boolean getIsRetroMode() { return config.getBoolean("General.RetroMode.Enabled", true); }
 
     public String getLocale() { return config.getString("General.Locale", "en_us"); }
     public boolean getMOTDEnabled() { return config.getBoolean("General.MOTD_Enabled", true); }

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

@@ -89,7 +89,7 @@ public class mcMMO extends JavaPlugin {
     // XP Event Check
     private boolean xpEventEnabled;
 
-    private boolean UseOldLevelScalingEnabled;
+    private boolean isRetroModeEnabled;
 
     /* Metadata Values */
     public final static String entityMetadataKey   = "mcMMO: Spawned Entity";
@@ -138,6 +138,9 @@ public class mcMMO extends JavaPlugin {
                 return;
             }
 
+            //Store this value so other plugins can check it
+            isRetroModeEnabled = Config.getInstance().getIsRetroMode();
+
             if (getServer().getName().equals("Cauldron") || getServer().getName().equals("MCPC+")) {
                 checkModConfigs();
             }
@@ -533,4 +536,14 @@ public class mcMMO extends JavaPlugin {
         InputStream in = getResource(fileName);
         return in == null ? null : new InputStreamReader(in, Charsets.UTF_8);
     }
+
+    /**
+     * Checks if this plugin is using retro mode
+     * Retro mode is a 0-1000 skill system
+     * Standard mode is scaled for 1-100
+     * @return true if retro mode is enabled
+     */
+    public boolean isRetroModeEnabled() {
+        return isRetroModeEnabled;
+    }
 }

src/main/java/com/gmail/nossr50/util/experience/FormulaManager.java

@@ -21,13 +21,11 @@ public class FormulaManager {
     private FormulaType previousFormula;
 
     //Used for XP formula scaling
-    private boolean classicModeEnabled;
-    private int classicModeXPFormulaFactor;
+    private boolean retroModeEnabled;
 
     public FormulaManager() {
         /* Setting for Classic Mode (Scales a lot of stuff up by * 10) */
-        classicModeEnabled = Config.getInstance().getIsRetroMode();
-        classicModeXPFormulaFactor = Config.getInstance().getClassicModeXPFormulaFactor();
+        retroModeEnabled = Config.getInstance().getIsRetroMode();
         loadFormula();
     }
 
@@ -111,8 +109,11 @@ public class FormulaManager {
     public int getCachedXpToLevel(int level, FormulaType formulaType) {
         int experience;
 
-        //If we're in classic we use the XP factor from config settings
-        int skillSystemMultiplier = classicModeEnabled ? classicModeXPFormulaFactor : 10;
+        /**
+         * Retro mode XP requirements are the default requirements
+         * Standard mode XP requirements are multiplied by a factor of 10
+         */
+        int xpNeededMultiplier = retroModeEnabled ? 1 : 10;
 
         if (formulaType == FormulaType.UNKNOWN) {
             formulaType = FormulaType.LINEAR;
@@ -125,7 +126,7 @@ public class FormulaManager {
         switch (formulaType) {
             case LINEAR:
                 if (!experienceNeededLinear.containsKey(level)) {
-                    experience = (int) Math.floor( skillSystemMultiplier * (base + level * multiplier));
+                    experience = (int) Math.floor( xpNeededMultiplier * (base + level * multiplier));
                     experienceNeededLinear.put(level, experience);
                 }
 
@@ -133,7 +134,7 @@ public class FormulaManager {
 
             case EXPONENTIAL:
                 if (!experienceNeededExponential.containsKey(level)) {
-                    experience = (int) Math.floor( skillSystemMultiplier * (multiplier * Math.pow(level, exponent) + base));
+                    experience = (int) Math.floor( xpNeededMultiplier * (multiplier * Math.pow(level, exponent) + base));
                     experienceNeededExponential.put(level, experience);
                 }
 

src/main/resources/config.yml

@@ -8,17 +8,11 @@
 #  Settings for mcMMO in general
 ###
 General:
-    Skill_Scaling:
         # Turning this on will scale mcMMO around 1-1000 with default scaling factor
         # Everything in your config related to skill level requirements, skill level bonuses, etc will be multiplied by 10 when this mode is on
         # This change is purely cosmetic, it retains the old feel of mcMMO where you could level up thousands of times
-        RetroMode: true
-        Skill_Scaling:
-            # This is the value that is skill level requirements are multiplied by in Retro Mode (Default is 10)
-            RetroMode_LevelReq_Factor: 10
-            # This is the value that the xp required to level is multiplied by when in Retro mode
-            # Default is 1
-            RetroMode_XP_Formula_Factor: 1
+        RetroMode:
+            Enabled: true
     Locale: en_US
     MOTD_Enabled: true
     # Send a message to the player when his profile was successfully loaded