Container

package net.codepixl.BitsAndBobs.TileEntity;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.ICrafting;
import net.minecraft.inventory.Slot;
import net.minecraft.inventory.SlotFurnace;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.FurnaceRecipes;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class Container3DPrinter extends Container{
    /** How long this furnace will continue to burn for (fuel) */
    public int lastBurnTime;
    /** The start time for this fuel */
    public int lastItemBurnTime;
    /** How long time left before cooked */
    public int lastCookTime;
    /** The 3D Printer **/
    private TileEntity3DPrinter printer;

    public Container3DPrinter(InventoryPlayer inv, TileEntity3DPrinter printer){
        this.printer = printer;
        this.addSlotToContainer(new Slot(printer, 0, 56, 17));
        this.addSlotToContainer(new Slot(printer, 1, 56, 53));
        this.addSlotToContainer(new SlotFurnace(inv.player, printer, 2, 116, 35));
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 9; j++) {
                this.addSlotToContainer(new Slot(inv, j + i*9 + 9, 8 + 18*j, 84 + i*18));
            }
        }
        for(int i = 0; i < 9; i++){
            this.addSlotToContainer(new Slot(inv, i, 8 + i*18, 142));
        }
    }

    @Override
    public boolean canInteractWith(EntityPlayer p) {
        return this.printer.isUseableByPlayer(p);
    }

    public void addCraftingToCrafters(ICrafting icrafting){
        super.addCraftingToCrafters(icrafting);
        icrafting.sendProgressBarUpdate(this, 0, this.printer.cookTime);
        icrafting.sendProgressBarUpdate(this, 1, this.printer.burnTime);
        icrafting.sendProgressBarUpdate(this, 2, this.printer.currentBurnTime);
    }
    @Override
    public void updateProgressBar(int slot, int newValue){
        if(slot == 0) this.printer.cookTime = newValue;
        if(slot == 1) this.printer.burnTime = newValue;
        if(slot == 2) this.printer.currentBurnTime = newValue;
    }

    public ItemStack transferStackInSlot(EntityPlayer player, int clickedSlotNumber){
        ItemStack itemstack = null;
        Slot slot = (Slot)this.inventorySlots.get(clickedSlotNumber);

        if(slot != null && slot.getHasStack()){
            ItemStack itemstack1 = slot.getStack();
            itemstack = itemstack1.copy();

            if(clickedSlotNumber == 2){
                if(!this.mergeItemStack(itemstack1, 3, 39, true)){
                    return null;
                }

                slot.onSlotChange(itemstack1, itemstack);
            }else if(clickedSlotNumber != 1 && clickedSlotNumber != 0){
                if(FurnaceRecipes.smelting().getSmeltingResult(itemstack1) != null){
                    if(!this.mergeItemStack(itemstack1, 0, 1, false)){
                        return null;
                    }
                }else if(TileEntity3DPrinter.isItemFuel(itemstack1)){
                    if(!this.mergeItemStack(itemstack1, 1, 2, false)){
                        return null;
                    }
                }else if(clickedSlotNumber >= 3 && clickedSlotNumber < 30){
                    if(!this.mergeItemStack(itemstack1, 30, 39, false)){
                        return null;
                    }
                }else if(clickedSlotNumber >= 30 && clickedSlotNumber < 39){
                    if(!this.mergeItemStack(itemstack1, 3, 30, false)){
                        return null;
                    }
                }
            }else if(!this.mergeItemStack(itemstack1, 3, 39, false)){
                return null;
            }

            if(itemstack1.stackSize == 0){
                slot.putStack((ItemStack)null);
            }else{
                slot.onSlotChanged();
            }

            if(itemstack1.stackSize == itemstack.stackSize){
                return null;
            }

            slot.onPickupFromSlot(player, itemstack1);
        }

        return itemstack;
    }

    public void detectAndSaveChanges(){
        super.detectAndSendChanges();
        for(int i = 0; i < this.crafters.size(); i++){
            ICrafting icrafting = (ICrafting) this.crafters.get(i);

            if(this.lastCookTime != this.printer.cookTime){
                icrafting.sendProgressBarUpdate(this, 0, this.printer.cookTime);
            }

            if(this.lastBurnTime != this.printer.burnTime){
                icrafting.sendProgressBarUpdate(this, 1, this.printer.burnTime);
            }

            if(this.lastItemBurnTime != this.printer.currentBurnTime){
                icrafting.sendProgressBarUpdate(this, 2, this.printer.currentBurnTime);
            }
        }

        this.lastCookTime = this.printer.cookTime;
        this.lastBurnTime = this.printer.burnTime;
        this.lastItemBurnTime = this.printer.currentBurnTime;
    }
}