gistfile1.java

public boolean interact(EntityPlayer entityPlayer) {
		
        ItemStack itemstack = entityPlayer.inventory.getCurrentItem();
        
        String playerName = entityPlayer.getCommandSenderName();

        boolean tamed = this.isTamed();
        
        GuiNewChat chat = client.ingameGUI.getChatGUI();
        
        Item item = itemstack.getItem();
        
		if (playerName.equalsIgnoreCase(this.getOwnerName())) {
 
            if (entityPlayer.isSneaking()) {
 
                if (itemstack == null && !this.worldObj.isRemote) {
 
                    chat.printChatMessage(new ChatComponentText("XP: " + this.xp + "/" + this.requiredXP + " | " + "Level: " + this.level));
                    chat.printChatMessage(new ChatComponentText("Health: " + (int) this.getHealth() + "/" + (int) this.maxHealth + " | " + "Attack Damage: " + (int) this.attackDamage));
 
                }
 
                if(itemstack != null) {
                
                    if(
                      ((item == Blocklings.itemWoodenUpgrade      && this.currentUpgradeTier == 1 && this.level >= 2) ||
                      ( item == Blocklings.itemCobblestoneUpgrade && this.currentUpgradeTier == 2 && this.level >= 3) ||
                      ( item == Blocklings.itemStoneUpgrade       && this.currentUpgradeTier == 3 && this.level >= 4) ||
                      ( item == Blocklings.itemIronUpgrade        && this.currentUpgradeTier == 4 && this.level >= 5) ||
                      ( item == Blocklings.itemLapisLazuliUpgrade && this.currentUpgradeTier == 5 && this.level >= 6) || 
                      ( item == Blocklings.itemGoldUpgrade        && this.currentUpgradeTier == 6 && this.level >= 7) ||
                      ( item == Blocklings.itemDiamondUpgrade     && this.currentUpgradeTier == 7 && this.level >= 8) ||
                      ( item == Blocklings.itemEmeraldUpgrade     && this.currentUpgradeTier == 8 && this.level >= 9) ||
                      ( item == Blocklings.itemObsidianUpgrade    && this.currentUpgradeTier == 9 && this.level >= 10))
                    ) {
                    	
                        ++this.currentUpgradeTier;

                        setMaxHealth();
                        setAttackDamage();
                        this.heal((float)maxHealth - this.getHealth());
 
                        if (!entityPlayer.capabilities.isCreativeMode) {
                            --itemstack.stackSize;
 
                            if (itemstack.stackSize <= 0) {
                                entityPlayer.inventory.setInventorySlotContents(entityPlayer.inventory.currentItem, (ItemStack)null);
                            }
 
                        }
                        
                        String upgradeName = null;
                        if      (item == Blocklings.itemWoodenUpgrade)      { upgradeName = "Wooden"; }
                        else if (item == Blocklings.itemCobblestoneUpgrade) { upgradeName = "Cobblestone"; }
                        else if (item == Blocklings.itemStoneUpgrade)       { upgradeName = "Stone"; }
                        else if (item == Blocklings.itemIronUpgrade)        { upgradeName = "Iron"; }
                        else if (item == Blocklings.itemLapisLazuliUpgrade) { upgradeName = "Lapis Lazuli"; }
                        else if (item == Blocklings.itemGoldUpgrade)        { upgradeName = "Gold"; }
                        else if (item == Blocklings.itemDiamondUpgrade)     { upgradeName = "Diamond"; }
                        else if (item == Blocklings.itemEmeraldUpgrade)     { upgradeName = "Emerald"; }
                        else if (item == Blocklings.itemObsidianUpgrade)    { upgradeName = "Obsidian"; }
                        chat.printChatMessage(new ChatComponentText(upgradeName + " Upgrade Applied"));
 
                        CreatePacketServerSide.sendS2CEntitySync(this);
                    }
                }
 
            } else if (tamed) {
               this.aiSit.setSitting(!this.isSitting()); 
            }
 
        } else if (itemstack != null && !tamed && (item == Item.getItemFromBlock(Blocks.red_flower) || item == Item.getItemFromBlock(Blocks.yellow_flower))) {
            if (!entityPlayer.capabilities.isCreativeMode) {
                --itemstack.stackSize;
 
                if (itemstack.stackSize <= 0) {
                    entityPlayer.inventory.setInventorySlotContents(entityPlayer.inventory.currentItem, (ItemStack)null);
                }
            }
 
            if (this.rand.nextInt(2) == 0) {
                this.setTamed(true);
                this.setPathToEntity((PathEntity)null);
                this.setAttackTarget((EntityLivingBase)null);
                this.setOwner(playerName);
                this.playTameEffect(true);
                this.worldObj.setEntityState(this, (byte)7);
 
            } else {
                this.playTameEffect(false);
                this.worldObj.setEntityState(this, (byte)6);
            }
 
            return true;
        }
 
 
        return super.interact(entityPlayer);
    }

	public void onLivingUpdate() {
		super.onLivingUpdate();

		if (this.attackTimer > 0) {
			--this.attackTimer;

			if (!this.worldObj.isRemote) {
				CreatePacketServerSide.sendS2CEntitySync(this);
			}
		}

		if (i < 3 && !worldObj.isRemote) {
			CreatePacketServerSide.sendS2CEntitySync(this);
			i++;
		}
	}