Create a new version of paste:

public static class TileEntityForge extends TileEntityLockable implements ITickable, ISidedInventory{
		 public enum slotEnum {
			 INPUT_SLOT, OUTPUT_SLOT , FUEL_SLOT , MOLD_SLOT }

		 private static final int[] slotsTop = new int[] {
			 slotEnum.INPUT_SLOT.ordinal(), slotEnum.FUEL_SLOT.ordinal() };
		 private static final int[] slotsBottom = new int[] {
			 slotEnum.OUTPUT_SLOT.ordinal()};
		 private static final int[] slotsSides = new int[] {
			 slotEnum.MOLD_SLOT.ordinal()};
		 private ItemStack[] ForgeItemStacks = new ItemStack[7];
		 /** The number of ticks that the Forge will keep burning */ private int ForgeBurnTime;
		 /** The number of ticks that a fresh copy of the currently-burning item would keep the Forge burning for */ private int currentItemBurnTime;
		 private int cookTime;
		 private int totalCookTime;
		 private String ForgeCustomName;
		 /** * Returns the number of slots in the inventory. */ public int getSizeInventory() {
			 return this.ForgeItemStacks.length;
			 }

		 /** * Returns the stack in the given slot. * * @param index The slot to retrieve from. */ public ItemStack getStackInSlot(int index) {
			 return this.ForgeItemStacks[index];
			 }

		 /** * Removes up to a specified number of items from an inventory slot and returns them in a new stack. * * @param index The slot to remove from. * @param count The maximum amount of items to remove. */ public ItemStack decrStackSize(int index, int count) {
			 if (this.ForgeItemStacks[index] != null) {
				 if (this.ForgeItemStacks[index].stackSize <= count) {
					 ItemStack itemstack1 = this.ForgeItemStacks[index];
					 this.ForgeItemStacks[index] = null;
					 return itemstack1;
					 }

				 else {
					 ItemStack itemstack = this.ForgeItemStacks[index].splitStack(count);
					 if (this.ForgeItemStacks[index].stackSize == 0) {
						 this.ForgeItemStacks[index] = null;
						 }

					 return itemstack;
					 }

				 }

			 else {
				 return null;
				 }

			 }

		 /** * Removes a stack from the given slot and returns it. * * @param index The slot to remove a stack from. */ public ItemStack getStackInSlotOnClosing(int index) {
			 if (this.ForgeItemStacks[index] != null) {
				 ItemStack itemstack = this.ForgeItemStacks[index];
				 this.ForgeItemStacks[index] = null;
				 return itemstack;
				 }

			 else {
				 return null;
				 }

			 }

		 /** * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections). */ public void setInventorySlotContents(int index, ItemStack stack) {
			 boolean flag = stack != null && stack.isItemEqual(this.ForgeItemStacks[index]) && ItemStack.areItemStackTagsEqual(stack, this.ForgeItemStacks[index]);
			 this.ForgeItemStacks[index] = stack;
			 if (stack != null && stack.stackSize > this.getInventoryStackLimit()) {
				 stack.stackSize = this.getInventoryStackLimit();
				 }

			 if (index == 0 && !flag) {
				 this.totalCookTime = this.getCookTime(stack);
				 this.cookTime = 0;
				 this.markDirty();
				 }

			 }

		 /** * Gets the name of this command sender (usually username, but possibly "Rcon") */ public String getCommandSenderName() {
			 return this.hasCustomName() ? this.ForgeCustomName : "container.forge";
			 }

		 /** * Returns true if this thing is named */ public boolean hasCustomName() {
			 return this.ForgeCustomName != null && this.ForgeCustomName.length() > 0;
			 }

		 public void setCustomInventoryName(String p_145951_1_) {
			 this.ForgeCustomName = p_145951_1_;
			 }

		 public void readFromNBT(NBTTagCompound compound) {
			 super.readFromNBT(compound);
			 NBTTagList nbttaglist = compound.getTagList("Items", 10);
			 this.ForgeItemStacks = new ItemStack[this.getSizeInventory()];
			 for (int i = 0;
			 i < nbttaglist.tagCount();
			 ++i) {
				 NBTTagCompound nbttagcompound = nbttaglist.getCompoundTagAt(i);
				 int j = nbttagcompound.getByte("Slot");
				 if (j >= 0 && j < this.ForgeItemStacks.length) {
					 this.ForgeItemStacks[j] = ItemStack.loadItemStackFromNBT(nbttagcompound);
					 }

				 }

			 this.ForgeBurnTime = compound.getShort("BurnTime");
			 this.cookTime = compound.getShort("CookTime");
			 this.totalCookTime = compound.getShort("CookTimeTotal");
			 this.currentItemBurnTime = getItemBurnTime(this.ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()]);
			 if (compound.hasKey("CustomName", 8)) {
				 this.ForgeCustomName = compound.getString("CustomName");
				 }

			 }

		 public void writeToNBT(NBTTagCompound compound) {
			 super.writeToNBT(compound);
			 compound.setShort("BurnTime", (short)this.ForgeBurnTime);
			 compound.setShort("CookTime", (short)this.cookTime);
			 compound.setShort("CookTimeTotal", (short)this.totalCookTime);
			 NBTTagList nbttaglist = new NBTTagList();
			 for (int i = 0;
			 i < this.ForgeItemStacks.length;
			 ++i) {
				 if (this.ForgeItemStacks[i] != null) {
					 NBTTagCompound nbttagcompound = new NBTTagCompound();
					 nbttagcompound.setByte("Slot", (byte)i);
					 this.ForgeItemStacks[i].writeToNBT(nbttagcompound);
					 nbttaglist.appendTag(nbttagcompound);
					 }

				 }

			 compound.setTag("Items", nbttaglist);
			 if (this.hasCustomName()) {
				 compound.setString("CustomName", this.ForgeCustomName);
				 }

			 }

		 /** * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. */ public int getInventoryStackLimit() {
			 return 64;
			 }

		 /** * Forge isBurning */ public boolean isBurning() {
			 return this.ForgeBurnTime > 0;
			 }

		 @SideOnly(Side.CLIENT) public static boolean isBurning(IInventory p_174903_0_) {
			 return p_174903_0_.getField(0) > 0;
			 }

		 /** * Like the old updateEntity(), except more generic. */ public void update() {
			 boolean flag = this.isBurning();
			 boolean flag1 = false;
			 if (this.isBurning()) {
				 --this.ForgeBurnTime;
				 }

			 if (!this.worldObj.isRemote) {
				 if (this.isBurning() || this.ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()] != null && ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()] != null && ForgeItemStacks[slotEnum.MOLD_SLOT.ordinal()] != null) {
	

						 if (!this.isBurning() && this.canSmelt()) {
						 this.currentItemBurnTime = this.ForgeBurnTime = getItemBurnTime(this.ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()]);
						 if (this.isBurning()) {
							 flag1 = true;
							 if (this.ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()] != null ) {
								 --this.ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()].stackSize;
								 if (this.ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()].stackSize == 0) {
									 this.ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()] = ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()].getItem().getContainerItem(ForgeItemStacks[slotEnum.FUEL_SLOT.ordinal()]);
									 }

								 }

							 }

						 }

					 if (this.isBurning() && this.canSmelt()) {
						 ++this.cookTime;
						 if (this.cookTime == this.totalCookTime) {
							 this.cookTime = 0;
							 this.totalCookTime = this.getCookTime(ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()]);
							 this.smeltItem();
							 flag1 = true;
							 }

						 }

					 else {
						 this.cookTime = 0;
						 }

					 }
				 
				 else if (!this.isBurning() && this.cookTime > 0) {
					 this.cookTime = MathHelper.clamp_int(this.cookTime - 2, 0, this.totalCookTime);
					 }

				 if (flag != this.isBurning()) {
					 flag1 = true;
					 BlockForge.setState(this.isBurning(), this.worldObj, this.pos);
					
					 }

				 }

			 if (flag1) {
				 this.markDirty();
				 }

			 }

		 public int getCookTime(ItemStack stack) {
			 return 350;
			 }

		private boolean canSmelt()    {
			                if (ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()] == null)        {
				            return false;
				        }

			        if (ForgeItemStacks[slotEnum.MOLD_SLOT.ordinal()] == null)        {
				            return false;
				        }

			        
				      
					                     	  if(ItemStack.areItemsEqual(this.ForgeItemStacks[slotEnum.MOLD_SLOT.ordinal()] , ForgeRecipes.instance().getSmeltingMOLD(ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()]))){
					                     
						              ItemStack itemstack = ForgeRecipes.instance().getSmeltingResult(ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()]);
						            ItemStack MOLD = ForgeRecipes.instance().getSmeltingMOLD(ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()]);
						            ItemStack MOLDSlot = this.ForgeItemStacks[slotEnum.MOLD_SLOT.ordinal()];
						            if (itemstack == null || MOLD == null) return false;
						            if (this.ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()] == null){
							 return true;
						}

						            if (!this.ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()].isItemEqual(itemstack)){
							 return false;
						}

						            if (!this.ForgeItemStacks[slotEnum.MOLD_SLOT.ordinal()].isItemEqual(MOLD)){
							 return false;
						}

						            int result = ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()].stackSize + itemstack.stackSize;
						          
						            return result <= getInventoryStackLimit() && result <= this.ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()].getMaxStackSize();
						
						                                           }
return false;
					                }

				        
				    
	

			    /**     * Turn one item from the Forge source stack into the appropriate smelted item in the Forge result stack     */    
			    public void smeltItem(){
				        if (this.canSmelt())        {
					        if(ItemStack.areItemsEqual(this.ForgeItemStacks[slotEnum.MOLD_SLOT.ordinal()] , ForgeRecipes.instance().getSmeltingMOLD(ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()]))){
						          ItemStack itemstack = ForgeRecipes.instance().getSmeltingResult(ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()]);
						          
						            if (this.ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()] == null)            {
							                this.ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()] = itemstack.copy();
							            }

						            else if (this.ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()].getItem() == itemstack.getItem())            {
							                this.ForgeItemStacks[slotEnum.OUTPUT_SLOT.ordinal()].stackSize += itemstack.stackSize;
            --ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()].stackSize;
						            if (ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()].stackSize <= 0)            {
							                ForgeItemStacks[slotEnum.INPUT_SLOT.ordinal()] = null;
							            }
     }

					    }

				    }
			    }

			
			    public static int getItemBurnTime(ItemStack p_145952_0_){
				 if (p_145952_0_ == null) {
					 return 0;
					 }

				 else {
					 Item item = p_145952_0_.getItem();
					 if (item instanceof ItemBlock && Block.getBlockFromItem(item) != Blocks.air) {
						 Block block = Block.getBlockFromItem(item);
						 if (block == Blocks.wooden_slab) {
							 return 150;
							 }

						 if (block.getMaterial() == Material.wood) {
							 return 300;
							 }

						 if (block == Blocks.coal_block) {
							 return 16000;
							 }

						 }

					 if (item instanceof ItemTool && ((ItemTool)item).getToolMaterialName().equals("WOOD")) return 200;
					 if (item instanceof ItemSword && ((ItemSword)item).getToolMaterialName().equals("WOOD")) return 200;
					 if (item instanceof ItemHoe && ((ItemHoe)item).getMaterialName().equals("WOOD")) return 200;
					 if (item == Items.stick) return 100;
					 if (item == Items.coal) return 1600;
					 if (item == Items.lava_bucket) return 20000;
					 if (item == Item.getItemFromBlock(Blocks.sapling)) return 100;
					 if (item == Items.blaze_rod) return 2400;
					 return net.minecraftforge.fml.common.registry.GameRegistry.getFuelValue(p_145952_0_);
					 }

				 }

			 public static boolean isItemFuel(ItemStack p_145954_0_) {
				 /** * Returns the number of ticks that the supplied fuel item will keep the Forge burning, or 0 if the item isn't         * fuel         */        return getItemBurnTime(p_145954_0_) > 0;
				    }

			    /**     * Do not make give this method the name canInteractWith because it clashes with Container     */    public boolean isUseableByPlayer(EntityPlayer player)    {
				        return this.worldObj.getTileEntity(this.pos) != this ? false : player.getDistanceSq((double)this.pos.getX() + 0.5D, (double)this.pos.getY() + 0.5D, (double)this.pos.getZ() + 0.5D) <= 64.0D;
				    }

			    public void openInventory(EntityPlayer player)    {
				    }

			    public void closeInventory(EntityPlayer player)    {
				    }

			    /**     * Returns true if automation is allowed to insert the given stack (ignoring stack size) into the given slot.     */    public boolean isItemValidForSlot(int index, ItemStack stack)    {
				        return index == 2 ? false : (index != 1 ? true : isItemFuel(stack) || SlotForgeFuel.isBucket(stack));
				    }

			    public int[] getSlotsForFace(EnumFacing side)    {
				        return side == EnumFacing.DOWN ? slotsBottom : (side == EnumFacing.UP ? slotsTop : slotsSides);
				    }

			    /**     * Returns true if automation can insert the given item in the given slot from the given side. Args: slot, item,     * side     */    public boolean canInsertItem(int index, ItemStack itemStackIn, EnumFacing direction)    {
				        return this.isItemValidForSlot(index, itemStackIn);
				    }

			    /**     * Returns true if automation can extract the given item in the given slot from the given side. Args: slot, item,     * side     */    public boolean canExtractItem(int index, ItemStack stack, EnumFacing direction)    {
				        if (direction == EnumFacing.DOWN && index == 1)        {
					            Item item = stack.getItem();
					            if (item != Items.water_bucket && item != Items.bucket)            {
						                return false;
						            }

					        }

				        return true;
				    }

			    public String getGuiID()    {
				        return "minecraft:Forge";
				    }

			    public Container createContainer(InventoryPlayer playerInventory, EntityPlayer playerIn)    {
				        return new ContainerForge(playerInventory, this);
				    }

			    public int getField(int id)    {
				        switch (id)        {
					            case 0:                return this.ForgeBurnTime;
					            case 1:                return this.currentItemBurnTime;
					            case 2:                return this.cookTime;
					            case 3:                return this.totalCookTime;
					            default:                return 0;
					        }

				    }

			    public void setField(int id, int value)    {
				        switch (id)        {
					            case 0:                this.ForgeBurnTime = value;
					                break;
					            case 1:                this.currentItemBurnTime = value;
					                break;
					            case 2:                this.cookTime = value;
					                break;
					            case 3:                this.totalCookTime = value;
					        }

				    }

			    public int getFieldCount()    {
				        return 4;
				    }

			    public void clear()    {
				        for (int i = 0;
				 i < this.ForgeItemStacks.length;
				 ++i)        {
					            this.ForgeItemStacks[i] = null;
					        }

				    }
}