container.java

package com.koopamillion.inventory;

import com.koopamillion.slot.SlotOutput;
import com.koopamillion.tile_entity.TileEntityElectricFurnace;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.FurnaceRecipes;
import net.minecraft.world.World;

public class ContainerElectricFurnace extends Container{
	public final EntityPlayer player;
	public final World world;
	public final int x;
	public final int y;
	public final int z;
	public TileEntityElectricFurnace tileentity;
	public static final int INPUT = 0, OUTPUT = 1;
	
	public ContainerElectricFurnace(EntityPlayer player, World world, int x, int y, int z){
		this.player = player;
		this.world = world;
		this.x = x;
		this.y = y;
		this.z = z;
		this.tileentity = (TileEntityElectricFurnace) world.getTileEntity(x, y, z);
		this.detectAndSendChanges();
		
		updateSlots();
	}
	
	public boolean canInteractWith(EntityPlayer player){
		return tileentity.isUseableByPlayer(player);
	}
	
	public void updateSlots(){
		this.inventorySlots.clear();
		this.addSlotToContainer(new Slot(tileentity, INPUT, 56, 35)); //item to smelt
		this.addSlotToContainer(new Slot(tileentity, 3, 116, 10)); //upgrades input
		this.addSlotToContainer(new SlotOutput(player, tileentity, 4, 152, 28)); //upgrades
		this.addSlotToContainer(new SlotOutput(player, tileentity, 5, 152, 10)); //upgrades
		this.addSlotToContainer(new SlotOutput(player, tileentity, 6, 152, 46)); //upgrades
		this.addSlotToContainer(new SlotOutput(player, tileentity, 7, 152, 64)); //upgrades
		this.addSlotToContainer(new Slot(tileentity, 8, 8, 60)); //battery 
		this.detectAndSendChanges();
		this.addSlotToContainer(new SlotOutput(player, tileentity, OUTPUT, 116, 35)); //smelted item
		
		for(int i = 0; i < 3; ++i){
			for(int j = 0; j < 9; ++j){
				this.addSlotToContainer(new Slot(player.inventory, j + i * 9 + 9, 8 + j * 18, 84 + i * 18));
			}
		}
		for(int i = 0; i < 9; ++i){
			this.addSlotToContainer(new Slot(player.inventory, i, 8 + i * 18, 142)); //ep 33 to watch
		}
	}
	
	
	public ItemStack transferStackInSlot(EntityPlayer player, int slotId)
    {
        ItemStack itemstack = null;
        Slot slot = (Slot)this.inventorySlots.get(slotId);
 
        if (slot != null && slot.getHasStack())
        {
        ItemStack itemstack1 = slot.getStack();
        itemstack = itemstack1.copy();
 
        // If itemstack is in Output stack
        if (slotId == OUTPUT)
        {
        // try to place in player inventory / action bar; add 36+1 because mergeItemStack uses < index,
        // so the last slot in the inventory won't get checked if you don't add 1
        if (!this.mergeItemStack(itemstack1, OUTPUT+1, OUTPUT+36+1, true))
        {
        return null;
        }
 
        slot.onSlotChange(itemstack1, itemstack);
        }
        // itemstack is in player inventory, try to place in appropriate furnace slot
        else if (slotId != INPUT)
        {
        // if it can be smelted, place in the input slots
        if (FurnaceRecipes.smelting().getSmeltingResult(itemstack1) != null)
        {
        // try to place in either Input slot; add 1 to final input slot because mergeItemStack uses < index
        if (!this.mergeItemStack(itemstack1, INPUT, INPUT+1, false))
        {
        return null;
        }
        }
        // item in player's inventory, but not in action bar
        else if (slotId >= OUTPUT+1 && slotId < OUTPUT+28)
        {
        // place in action bar
        if (!this.mergeItemStack(itemstack1, OUTPUT+28, OUTPUT+37, false))
        {
        return null;
        }
        }
        // item in action bar - place in player inventory
        else if (slotId >= OUTPUT+28 && slotId < OUTPUT+37 && !this.mergeItemStack(itemstack1, OUTPUT+1, OUTPUT+28, false))
        {
        return null;
        }
        }
        // In one of the infuser slots; try to place in player inventory / action bar
        else if (!this.mergeItemStack(itemstack1, OUTPUT+1, OUTPUT+37, 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;
    }
		
		
	}