Changed it so that the Mending enchantment consumes the EXP before the Tome of Peritia does

changelog.txt

@@ -4,6 +4,7 @@ Version 2.0.0-35
 - Changed Living Armour so that it is now damagable. The Living Armour Chestplate will be damaged, but will not break. If it gets to ~0 durability, it will damage your LP network heavily.
 - Living Armour is now repairable in an anvil with Binding Reagent.
 - Started adding in the Alchemy Table... not really started.
+- Changed it so that the Mending enchantment consumes the EXP before the Tome of Peritia does
 
 ------------------------------------------------------
 Version 2.0.0-34

src/main/java/WayofTime/bloodmagic/item/ItemExperienceBook.java

@@ -33,6 +33,13 @@ public class ItemExperienceBook extends Item implements IVariantProvider
         setCreativeTab(BloodMagic.tabBloodMagic);
     }
 
+    @Override
+    @SideOnly(Side.CLIENT)
+    public boolean hasEffect(ItemStack stack)
+    {
+        return true;
+    }
+
     @Override
     @SideOnly(Side.CLIENT)
     public void addInformation(ItemStack stack, EntityPlayer player, List<String> tooltip, boolean advanced)

src/main/java/WayofTime/bloodmagic/util/handler/EventHandler.java

@@ -841,7 +841,7 @@ public class EventHandler
         }
     }
 
-    @SubscribeEvent
+    @SubscribeEvent(priority = EventPriority.LOWEST)
     public void onExperiencePickup(PlayerPickupXpEvent event)
     {
         EntityPlayer player = event.getEntityPlayer();
@@ -866,6 +866,15 @@ public class EventHandler
             }
         }
 
+        ItemStack itemstack = EnchantmentHelper.getEnchantedItem(Enchantments.MENDING, player);
+
+        if (itemstack != null && itemstack.isItemDamaged())
+        {
+            int i = Math.min(xpToDurability(event.getOrb().xpValue), itemstack.getItemDamage());
+            event.getOrb().xpValue -= durabilityToXp(i);
+            itemstack.setItemDamage(itemstack.getItemDamage() - i);
+        }
+
         if (!player.worldObj.isRemote)
         {
             for (ItemStack stack : player.inventory.mainInventory)
@@ -879,4 +888,14 @@ public class EventHandler
             }
         }
     }
+
+    private int xpToDurability(int xp)
+    {
+        return xp * 2;
+    }
+
+    private int durabilityToXp(int durability)
+    {
+        return durability / 2;
+    }
 }