Container Class

package com.tterrag.simpleTransmutations.container;

import java.util.List;

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.ISidedInventory;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraft.network.packet.Packet250CustomPayload;
import net.minecraftforge.common.ForgeDirection;

import com.tterrag.simpleTransmutations.block.BlockInfo;
import com.tterrag.simpleTransmutations.block.BlockPowderAggregator;
import com.tterrag.simpleTransmutations.lib.Reference;
import com.tterrag.simpleTransmutations.tile.TilePowderAggregator;

import cpw.mods.fml.common.network.PacketDispatcher;
import cpw.mods.fml.common.network.Player;

/**
 * @author Archadia
 *
 */
public class ContainerPowderAgg extends Container implements ISidedInventory
{
    private TilePowderAggregator tileEnt;

    public ContainerPowderAgg(InventoryPlayer par1InventoryPlayer, TilePowderAggregator tile)
    {
        bindPlayerInventory(par1InventoryPlayer);

        this.tileEnt = (TilePowderAggregator) tile;

        addSlotToContainer(new Slot(tile, 0, 56, 38));
        addSlotToContainer(new SlotAggregator(tile, 1, 106, 38));
    }

    public void bindPlayerInventory(InventoryPlayer inv)
    {
        int i;

        for (i = 0; i < 3; ++i)
        {
            for (int j = 0; j < 9; ++j)
            {
                this.addSlotToContainer(new Slot(inv, j + i * 9 + 9, 8 + j * 18, 84 + i * 18));
            }
        }

        for (i = 0; i < 9; ++i)
        {
            this.addSlotToContainer(new Slot(inv, i, 8 + i * 18, 142));
        }
    }

    public boolean canInteractWith(EntityPlayer par1EntityPlayer)
    {
        return true;
    }

    public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2)
    {
        ItemStack itemstack = null;
        Slot slot = (Slot) this.inventorySlots.get(par2);

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

            if (par2 == 36 || par2 == 37)
            {
                if (!this.mergeItemStack(itemstack1, 27, 36, false))
                {
                    if (!this.mergeItemStack(itemstack1, 0, 27, false))
                        return null;
                }
                slot.onSlotChange(itemstack1, itemstack);
            }
            if (par2 < 36)
            {
                if (TilePowderAggregator.getItemBurnTime(itemstack) > 0)
                {
                    if (!this.mergeItemStack(itemstack1, 36, 37, false))
                        return null;
                    slot.onSlotChange(itemstack1, itemstack);
                }
                else if (par2 < 27)
                {
                    if (!this.mergeItemStack(itemstack1, 27, 36, false))
                        return null;
                    slot.onSlotChange(itemstack1, itemstack);
                }
                else if (par2 > 26 && par2 < 36)
                {
                    if (!this.mergeItemStack(itemstack1, 0, 26, false))
                        return null;
                    slot.onSlotChange(itemstack1, itemstack);
                }
            }

            if (itemstack1.stackSize == 0)
            {
                slot.putStack((ItemStack) null);
            }
            else
            {
                slot.onSlotChanged();
            }
            if (itemstack1.stackSize == itemstack.stackSize)
            {
                return null;
            }
            slot.onPickupFromSlot(par1EntityPlayer, itemstack1);
            if (itemstack1.stackSize == 0)
            {
                slot.putStack(null);
                return null;
            }
        }
        return itemstack;
    }

    @SuppressWarnings("unchecked")
    @Override
    public void detectAndSendChanges()
    {
        for (ICrafting c : (List<ICrafting>) crafters)
        {
            if (c instanceof Player)
            {
                Packet250CustomPayload packet = new Packet250CustomPayload();

                packet.channel = Reference.CHANNEL;
                packet.length = 11;

                byte[] bytes = new byte[11];

                int energy = tileEnt.getEnergyStored();

                bytes[0] = 0;
                bytes[1] = (byte) (energy & 255);
                bytes[2] = (byte) ((energy >> 8) & 255);
                bytes[3] = (byte) ((energy >> 16) & 255);
                bytes[4] = (byte) ((energy >> 24) & 255);

                packet.data = bytes;
                PacketDispatcher.sendPacketToPlayer(packet, (Player) c);

                int progress = ((TilePowderAggregator) tileEnt).getBurnTimeLeft();

                bytes[5] = 1;
                bytes[6] = (byte) (progress & 255);
                bytes[7] = (byte) ((progress >> 8) & 255);
                bytes[8] = (byte) ((progress >> 16) & 255);
                bytes[9] = (byte) ((progress >> 24) & 255);

                packet.data = bytes;
                PacketDispatcher.sendPacketToPlayer(packet, (Player) c);

                if (tileEnt.isBurning)
                    bytes[10] = 1;
                else
                    bytes[10] = 0;
            }
        }
        super.detectAndSendChanges();
    }

    @Override
    public int getSizeInventory()
    {
        return 2;
    }

    @Override
    public ItemStack getStackInSlot(int i)
    {
        return tileEnt.inventory[i];
    }

    @Override
    public ItemStack decrStackSize(int i, int j)
    {
        tileEnt.inventory[i].stackSize -= j;
        if (tileEnt.inventory[i].stackSize <= 0)
            return null;
        else
            return tileEnt.inventory[i];
    }

    @Override
    public ItemStack getStackInSlotOnClosing(int i)
    {
        return tileEnt.inventory[i];
    }

    @Override
    public void setInventorySlotContents(int i, ItemStack itemstack)
    {
        tileEnt.inventory[i] = itemstack;
    }

    @Override
    public String getInvName()
    {
        return BlockInfo.POWDER_AGGREGATOR_UNLOC_NAME;
    }

    @Override
    public boolean isInvNameLocalized()
    {
        return false;
    }

    @Override
    public int getInventoryStackLimit()
    {
        return 64;
    }

    @Override
    public void onInventoryChanged()
    {
        detectAndSendChanges();
    }

    @Override
    public boolean isUseableByPlayer(EntityPlayer entityplayer)
    {
        return true;
    }

    @Override
    public void openChest()
    {
        // Do Nothing
    }

    @Override
    public void closeChest()
    {
        // Do Nothing
    }

    @Override
    public boolean isItemValidForSlot(int i, ItemStack itemstack)
    {
        return (i == 0 && TilePowderAggregator.getItemBurnTime(tileEnt.inventory[i]) > 0);
    }

    @Override
    public int[] getAccessibleSlotsFromSide(int var1)
    {
        if (var1 == 1)
            return new int[] { 0 };
        else
            return new int[] { 1 };
    }

    @Override
    public boolean canInsertItem(int i, ItemStack itemstack, int j)
    {
        return true;
    }

    @Override
    public boolean canExtractItem(int i, ItemStack itemstack, int j)
    {
        return false;
    }
}