public static int SpiritCostBase[] = new int[]{8, 14, 11, 13, 12, 9, 6, 8, 10, 7, 9, 12}; //Configurable
public static int SpiritCostFormula[] = new int[]{7, 9, 9, 12, 10, 3, 12, 6, 8, 12, 6, 5}; //Configurable
public static int SpiritSummonCost;

public boolean onItemUse(ItemStack itemstack, EntityPlayer player, World world, int x, int y, int z, int meta, float p_77648_8_, float p_77648_9_, float p_77648_10_)
    {
        if (player.canPlayerEdit(x, y, z, meta, itemstack) && !world.isRemote)
        {
            try {
                Entity e = entityClasses[itemstack.getItemDamage()].getConstructor(World.class).newInstance(world);
                Entity gem2 = EntityGemini2.class.getConstructor(World.class).newInstance(world);
                Entity pis2 = EntityPisces2.class.getConstructor(World.class).newInstance(world);
                Random randCordY = new Random();
                Random randCordZ = new Random();
                int sF = SpiritCostFormula[itemstack.getItemDamage()];
                int sB = SpiritCostBase[itemstack.getItemDamage()];
                int sC = SpiritSummonCost = (int)(Math.ceil((player.experienceLevel) / sF));
                ExtendedPlayer instance = ExtendedPlayer.get(player);
                if (!itemstack.hasTagCompound())
                {
                    itemstack.setTagCompound(new NBTTagCompound());
                    itemstack.stackTagCompound.setString("Contract With: ", player.getDisplayName());
                    itemstack.stackTagCompound.setInteger("Summoned Amount: ", summonedAmount);
                }
                else if (itemstack.hasTagCompound())
                {
                    String owner = itemstack.stackTagCompound.getString("Contract With: ");
                    if (!owner.equals(player.getDisplayName()))
                    {
                        player.addChatComponentMessage(new ChatComponentTranslation ("\u00A74You are not the owner of this contract!"));
                        return false;
                    }
                }
                if (!instance.summonedState[itemstack.getItemDamage()])
                {
                    if ( (player.experienceTotal > sC) && (player.experienceLevel >= sB) )
                    {
                        int rY = randCordY.nextInt(3);
                        int rZ = randCordZ.nextInt(3) + 1;
                        e.setPosition(player.posX, player.posY + rY, player.posZ - rZ);
                        ((EntityTameable) e).func_152115_b(player.getUniqueID().toString());
                        if (itemstack.getItemDamage() == 8)
                        {
                            gem2.setPosition(player.posX + 2, player.posY + rY, player.posZ - rZ);
                            ((EntityTameable) gem2).func_152115_b(player.getUniqueID().toString());
                            world.spawnEntityInWorld(e); //Gemini 1 Master
                            world.spawnEntityInWorld(gem2); //Gemini 2 Mirror
                        }
                        else if (itemstack.getItemDamage() == 10)
                        {
                            pis2.setPosition(player.posX + 2, player.posY + rY, player.posZ - rZ);
                            ((EntityTameable) pis2).func_152115_b(player.getUniqueID().toString());
                            world.spawnEntityInWorld(e); //Pisces 1 Master
                            world.spawnEntityInWorld(pis2); //Pisces 2 Mirror
                        }
                        else
                        {
                            world.spawnEntityInWorld(e);
                        }
                        world.playSoundAtEntity(player, RefStrings.MODID + ":summon-bell", 0.7F, 1.0F);
                        player.addChatComponentMessage(new ChatComponentTranslation ("Come forth "+celKeys2[itemstack.getItemDamage()] +"! I summon you!"));
                        instance.setSummoned(itemstack.getItemDamage(), true);
                        int newAmount = itemstack.stackTagCompound.getInteger("Summoned Amount: ") + 1;
                        itemstack.stackTagCompound.setInteger("Summoned Amount: ", newAmount);
                        checkForGift(itemstack, player);
                        if(sC > sB){ player.addExperienceLevel((int)-sC); return true; }else{ player.addExperienceLevel((int)-sB); return true; }
                    }
                    else
                    {
                        player.addChatComponentMessage(new ChatComponentTranslation ("\u00A74You do not have enough Celestial Power!"));
                        return false;
                    }
                }
                else
                {
                    player.addChatComponentMessage(new ChatComponentTranslation (celKeys2[itemstack.getItemDamage()]+" is already summoned!"));
                    return false;
                }

            } catch (InstantiationException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            } catch (NoSuchMethodException e) {
                e.printStackTrace();
            } catch (SecurityException e) {
                e.printStackTrace();
            }
        }
        else if (itemstack.getItemDamage() > 11){};
        return false;
    }