Hi

package com.chef.mod.tileentity;

import com.chef.mod.Debugger;
import com.chef.mod.blocks.ButterChurn;

import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.server.gui.IUpdatePlayerListBox;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.IChatComponent;
import net.minecraft.world.IInteractionObject;
import net.minecraft.world.ILockableContainer;
import net.minecraft.world.LockCode;

public class TileEntityButterChurn extends TileEntity implements IUpdatePlayerListBox  {

    private int butterTime;

    @Override
    public void update() {

        Debugger.log(butterTime);
        IBlockState state = this.worldObj.getBlockState(pos);
        int level = ((Integer) state.getValue(ButterChurn.LEVEL)).intValue();

        if (level == 5) {

            if (butterTime < 12000) {

                butterTime++;

            } else {

                this.worldObj.setBlockState(this.pos, state.withProperty(ButterChurn.LEVEL, level + 1), 2);

            }

        } else {

            butterTime = 0;

        }
        this.markDirty();
    }

    public void readFromNBT(NBTTagCompound compound) {

        Debugger.log("NBT");
        super.readFromNBT(compound);
        this.butterTime = compound.getShort("ButterTime");

    }

    public void writeToNBT(NBTTagCompound compound) {

        Debugger.log("NBT");
        super.writeToNBT(compound);
        compound.setShort("ButterTime", (short) this.butterTime);
    }
}