Fuel Efficiency now uses a rank system, also fixed some bugs with it

src/main/java/com/gmail/nossr50/commands/skills/SmeltingCommand.java

@@ -4,6 +4,7 @@ import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
 import com.gmail.nossr50.datatypes.skills.SubSkillType;
 import com.gmail.nossr50.locale.LocaleLoader;
 import com.gmail.nossr50.skills.smelting.Smelting;
+import com.gmail.nossr50.skills.smelting.SmeltingManager;
 import com.gmail.nossr50.util.Permissions;
 import com.gmail.nossr50.util.TextComponentFactory;
 import com.gmail.nossr50.util.player.UserManager;
@@ -35,7 +36,7 @@ public class SmeltingCommand extends SkillCommand {
     protected void dataCalculations(Player player, float skillValue) {
         // FUEL EFFICIENCY
         if (canFuelEfficiency) {
-            burnTimeModifier = decimal.format(1 + ((skillValue / Smelting.burnModifierMaxLevel) * Smelting.burnTimeMultiplier));
+            burnTimeModifier = String.valueOf(UserManager.getPlayer(player).getSmeltingManager().getFuelEfficiencyMultiplier());
         }
 
         // FLUX MINING

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

@@ -438,10 +438,6 @@ public class AdvancedConfig extends AutoUpdateConfigLoader {
             reason.add("Skills.Smelting.FuelEfficiency.MaxBonusLevel should be at least 1!");
         }
 
-        if (getBurnTimeMultiplier() < 1) {
-            reason.add("Skills.Smelting.FuelEfficiency.Multiplier should be at least 1!");
-        }
-
         if (getMaxBonusLevel(SubSkillType.SMELTING_SECOND_SMELT) < 1) {
             reason.add("Skills.Smelting.SecondSmelt.MaxBonusLevel should be at least 1!");
         }
@@ -939,8 +935,12 @@ public class AdvancedConfig extends AutoUpdateConfigLoader {
     public double getArcaneSalvageExtractPartialEnchantsChance(int rank) { return config.getDouble("Skills.Salvage.ArcaneSalvage.ExtractPartialEnchant.Rank_" + rank); }
 
     /* SMELTING */
-    public int getBurnModifierMaxLevel() { return config.getInt("Skills.Smelting.FuelEfficiency.MaxBonusLevel", 100); }
-    public double getBurnTimeMultiplier() { return config.getDouble("Skills.Smelting.FuelEfficiency.Multiplier", 3.0D); }
+    public int getBurnModifierMaxLevel() {
+        if(mcMMO.isRetroModeEnabled())
+            return config.getInt("Skills.Smelting.FuelEfficiency.RetroMode.MaxBonusLevel", 1000);
+        else
+            return config.getInt("Skills.Smelting.FuelEfficiency.Standard.MaxBonusLevel", 100);
+    }
 
     /*public int getFluxMiningUnlockLevel() { return config.getInt("Skills.Smelting.FluxMining.UnlockLevel", 250); }*/
     public double getFluxMiningChance() { return config.getDouble("Skills.Smelting.FluxMining.Chance", 33.0D); }

src/main/java/com/gmail/nossr50/datatypes/skills/SubSkillType.java

@@ -52,6 +52,7 @@ public enum SubSkillType {
     MINING_DEMOLITIONS_EXPERTISE(1),
     MINING_DOUBLE_DROPS,
     MINING_SUPER_BREAKER(1),
+    MINING_FUEL_EFFICIENCY(4),
 
     /* Repair */
     REPAIR_ARCANE_FORGING(8),

src/main/java/com/gmail/nossr50/skills/smelting/SmeltingManager.java

@@ -102,9 +102,22 @@ public class SmeltingManager extends SkillManager {
      * @param burnTime The initial burn time from the {@link FurnaceBurnEvent}
      */
     public int fuelEfficiency(int burnTime) {
-        double burnModifier = 1 + (((double) getSkillLevel() / Smelting.burnModifierMaxLevel) * Smelting.burnTimeMultiplier);
+        return burnTime * getFuelEfficiencyMultiplier();
+    }
 
-        return (int) (burnTime * burnModifier);
+    public int getFuelEfficiencyMultiplier()
+    {
+        switch(RankUtils.getRank(getPlayer(), SubSkillType.SMELTING_FUEL_EFFICIENCY))
+        {
+            case 1:
+                return 2;
+            case 2:
+                return 3;
+            case 3:
+                return 4;
+            default:
+                return 1;
+        }
     }
 
     public ItemStack smeltProcessing(ItemStack smelting, ItemStack result) {

src/main/resources/advanced.yml

@@ -409,14 +409,6 @@ Skills:
     #  Settings for Smelting
     ###
     Smelting:
-        FuelEfficiency:
-            # Multiplier: The furnace burn time will be multiplied by this value.
-            # MaxBonusLevel: On this level, the efficiency multiplier will stop increasing
-            Multiplier: 3.0
-            MaxBonusLevel:
-                Standard: 100
-                RetroMode: 1000
-
         SecondSmelt:
             # ChanceMax: Maximum chance of triggering Second Smelt
             # MaxBonusLevel: On this level, the chance to cause Second Smelt will be <ChanceMax>

src/main/resources/skillranks.yml

@@ -207,11 +207,17 @@ Taming:
         RetroMode:
             Rank_1: 750
 Smelting:
-    FluxMining:
+    FuelEfficiency:
         Standard:
-            Rank_1: 25
-        Retro:
-            Rank_1: 250
+            Rank_1: 10
+            Rank_2: 50
+            Rank_3: 75
+            Rank_4: 100
+        RetroMode:
+            Rank_1: 100
+            Rank_2: 500
+            Rank_3: 750
+            Rank_4: 1000
     UnderstandingTheArt:
         Standard:
             Rank_1: 10