VirtualChest.java

package com.forgeessentials.commands.util;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.inventory.InventoryBasic;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;

import com.forgeessentials.commands.item.CommandVirtualchest;

public class VirtualChest extends InventoryBasic
{
    private EntityPlayerMP owner;

    public VirtualChest(EntityPlayerMP player)
    {
        super(CommandVirtualchest.name, false, CommandVirtualchest.size);
        owner = player;
    }

    @Override
    public void openInventory()
    {
        loadInventoryFromNBT(owner.getEntityData().getCompoundTag(EntityPlayer.PERSISTED_NBT_TAG).getTagList("VirtualChestItems", 9));
        super.openInventory();
    }

    @Override
    public void closeInventory()
    {
        NBTTagCompound temp = owner.getEntityData().getCompoundTag(EntityPlayer.PERSISTED_NBT_TAG);
        temp.setTag("VirtualChestItems", saveInventoryToNBT());
        owner.getEntityData().setTag(EntityPlayer.PERSISTED_NBT_TAG, temp);
        super.closeInventory();
    }

    @Override
    public void markDirty()
    {
        super.markDirty();
        NBTTagCompound temp = owner.getEntityData().getCompoundTag(EntityPlayer.PERSISTED_NBT_TAG);
        temp.setTag("VirtualChestItems", saveInventoryToNBT());
        owner.getEntityData().setTag(EntityPlayer.PERSISTED_NBT_TAG, temp);
    }

    public void loadInventoryFromNBT(NBTTagList par1NBTTagList)
    {
        int var2;

        for (var2 = 0; var2 < getSizeInventory(); ++var2)
        {
            setInventorySlotContents(var2, (ItemStack) null);
        }

        for (var2 = 0; var2 < par1NBTTagList.tagCount(); ++var2)
        {
            NBTTagCompound var3 = (NBTTagCompound) par1NBTTagList.getCompoundTagAt(var2);
            int var4 = var3.getByte("Slot") & 255;

            if (var4 >= 0 && var4 < getSizeInventory())
            {
                setInventorySlotContents(var4, ItemStack.loadItemStackFromNBT(var3));
            }
        }
    }

    public NBTTagList saveInventoryToNBT()
    {
        NBTTagList var1 = new NBTTagList();

        for (int var2 = 0; var2 < getSizeInventory(); ++var2)
        {
            ItemStack var3 = getStackInSlot(var2);

            if (var3 != null)
            {
                NBTTagCompound var4 = new NBTTagCompound();
                var4.setByte("Slot", (byte) var2);
                var3.writeToNBT(var4);
                var1.appendTag(var4);
            }
        }

        return var1;
    }
}