Added a Repairing Living Armour Upgrade (trained by damaging the chestplate of the Living Armour while you have a full set on - it repairs all of your armour pieces over time)

Added the stat trackers for various Living Armour Downgrades.

src/main/java/WayofTime/bloodmagic/livingArmour/tracker/StatTrackerRepairing.java

@@ -0,0 +1,124 @@
+package WayofTime.bloodmagic.livingArmour.tracker;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.world.World;
+import WayofTime.bloodmagic.api.Constants;
+import WayofTime.bloodmagic.api.livingArmour.LivingArmourUpgrade;
+import WayofTime.bloodmagic.api.livingArmour.StatTracker;
+import WayofTime.bloodmagic.livingArmour.LivingArmour;
+import WayofTime.bloodmagic.livingArmour.upgrade.LivingArmourUpgradeRepairing;
+import WayofTime.bloodmagic.util.Utils;
+
+public class StatTrackerRepairing extends StatTracker
+{
+    public double totalDamage = 0;
+
+    public static HashMap<LivingArmour, Integer> changeMap = new HashMap<LivingArmour, Integer>();
+    public static int[] damageRequired = new int[] { 500 };
+
+    public static void incrementCounter(LivingArmour armour, int receivedDamage)
+    {
+        changeMap.put(armour, changeMap.containsKey(armour) ? changeMap.get(armour) + receivedDamage : receivedDamage);
+    }
+
+    @Override
+    public String getUniqueIdentifier()
+    {
+        return Constants.Mod.MODID + ".tracker.repair";
+    }
+
+    @Override
+    public void resetTracker()
+    {
+        this.totalDamage = 0;
+    }
+
+    @Override
+    public void readFromNBT(NBTTagCompound tag)
+    {
+        totalDamage = tag.getDouble(Constants.Mod.MODID + ".tracker.repair");
+    }
+
+    @Override
+    public void writeToNBT(NBTTagCompound tag)
+    {
+        tag.setDouble(Constants.Mod.MODID + ".tracker.repair", totalDamage);
+    }
+
+    @Override
+    public boolean onTick(World world, EntityPlayer player, LivingArmour livingArmour)
+    {
+        if (changeMap.containsKey(livingArmour))
+        {
+            double change = Math.abs(changeMap.get(livingArmour));
+            if (change > 0)
+            {
+                totalDamage += Math.abs(changeMap.get(livingArmour));
+
+                changeMap.put(livingArmour, 0);
+
+                this.markDirty();
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onDeactivatedTick(World world, EntityPlayer player, LivingArmour livingArmour)
+    {
+        if (changeMap.containsKey(livingArmour))
+        {
+            changeMap.remove(livingArmour);
+        }
+    }
+
+    @Override
+    public List<LivingArmourUpgrade> getUpgrades()
+    {
+        List<LivingArmourUpgrade> upgradeList = new ArrayList<LivingArmourUpgrade>();
+
+        for (int i = 0; i < 1; i++)
+        {
+            if (totalDamage >= damageRequired[i])
+            {
+                upgradeList.add(new LivingArmourUpgradeRepairing(i));
+            }
+        }
+
+        return upgradeList;
+    }
+
+    @Override
+    public double getProgress(LivingArmour livingArmour, int currentLevel)
+    {
+        return Utils.calculateStandardProgress(totalDamage, damageRequired, currentLevel);
+    }
+
+    @Override
+    public boolean providesUpgrade(String key)
+    {
+        return key.equals(Constants.Mod.MODID + ".upgrade.repair");
+    }
+
+    @Override
+    public void onArmourUpgradeAdded(LivingArmourUpgrade upgrade)
+    {
+        if (upgrade instanceof LivingArmourUpgradeRepairing)
+        {
+            int level = upgrade.getUpgradeLevel();
+            if (level < damageRequired.length)
+            {
+                totalDamage = Math.max(totalDamage, damageRequired[level]);
+                this.markDirty();
+            }
+        }
+    }
+}