TileEntityCorpse

public class TileEntityCorpse extends TileEntityLockableLoot implements ITickable {
    private NonNullList<ItemStack> chestContents = NonNullList.<ItemStack>withSize(45, ItemStack.EMPTY);
    public int numPlayersUsing, ticksSinceSync;
    public float lidAngle, prevLidAngle;


    @Override
    public int getSizeInventory()
    {
        return 45;
    }

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

    @Override
    public boolean isEmpty()
    {
        for(ItemStack stack : this.chestContents)
        {
            if(!stack.isEmpty()) return false;
        }

        return true;
    }

    @Override
    public String getName()
    {
        return this.hasCustomName() ? this.customName : "container.corpse";
    }


    public void addItem(ItemStack item) {
        this.chestContents.add(item);
    }

    @Override
    public void readFromNBT(NBTTagCompound compound)
    {
        super.readFromNBT(compound);
        this.chestContents = NonNullList.<ItemStack>withSize(this.getSizeInventory(), ItemStack.EMPTY);

        if(!this.checkLootAndRead(compound)) ItemStackHelper.loadAllItems(compound, chestContents);
        if(compound.hasKey("CustomName", 8)) this.customName = compound.getString("CustomName");
    }

    @Override
    public NBTTagCompound writeToNBT(NBTTagCompound compound)
    {
        super.writeToNBT(compound);

        if(!this.checkLootAndWrite(compound)) ItemStackHelper.saveAllItems(compound, chestContents);
        if(compound.hasKey("CustomName", 8)) compound.setString("CustomName", this.customName);

        return compound;
    }

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

    @Override
    public String getGuiID()
    {
        return MersaMod.MOD_ID + ":corpse";
    }

    @Override
    protected NonNullList<ItemStack> getItems()
    {
        return this.chestContents;
    }

    @Override
    public void update()
    {
        if (!this.world.isRemote && this.numPlayersUsing != 0 && (this.ticksSinceSync + pos.getX() + pos.getY() + pos.getZ()) % 200 == 0)
        {
            this.numPlayersUsing = 0;
            float f = 5.0F;

            for (EntityPlayer entityplayer : this.world.getEntitiesWithinAABB(EntityPlayer.class, new AxisAlignedBB((double)((float)pos.getX() - 5.0F), (double)((float)pos.getY() - 5.0F), (double)((float)pos.getZ() - 5.0F), (double)((float)(pos.getX() + 1) + 5.0F), (double)((float)(pos.getY() + 1) + 5.0F), (double)((float)(pos.getZ() + 1) + 5.0F))))
            {
                if (entityplayer.openContainer instanceof ContainerCorpse)
                {
                    if (((ContainerCorpse)entityplayer.openContainer).getChestInventory() == this)
                    {
                        ++this.numPlayersUsing;
                    }
                }
            }
        }

        this.prevLidAngle = this.lidAngle;
        float f1 = 0.1F;

        if (this.numPlayersUsing > 0 && this.lidAngle == 0.0F)
        {
            double d1 = (double)pos.getX() + 0.5D;
            double d2 = (double)pos.getZ() + 0.5D;
            this.world.playSound((EntityPlayer)null, d1, (double)pos.getY() + 0.5D, d2, SoundEvents.BLOCK_IRON_TRAPDOOR_OPEN, SoundCategory.BLOCKS, 0.5F, this.world.rand.nextFloat() * 0.1F + 0.9F);
        }

        if (this.numPlayersUsing == 0 && this.lidAngle > 0.0F || this.numPlayersUsing > 0 && this.lidAngle < 1.0F)
        {
            float f2 = this.lidAngle;

            if (this.numPlayersUsing > 0)
            {
                this.lidAngle += 0.1F;
            }
            else
            {
                this.lidAngle -= 0.1F;
            }

            if (this.lidAngle > 1.0F)
            {
                this.lidAngle = 1.0F;
            }

            float f3 = 0.5F;

            if (this.lidAngle < 0.5F && f2 >= 0.5F)
            {
                double d3 = (double)pos.getX() + 0.5D;
                double d0 = (double)pos.getZ() + 0.5D;
                this.world.playSound((EntityPlayer)null, d3, (double)pos.getY() + 0.5D, d0, SoundEvents.BLOCK_IRON_TRAPDOOR_CLOSE, SoundCategory.BLOCKS, 0.5F, this.world.rand.nextFloat() * 0.1F + 0.9F);
            }

            if (this.lidAngle < 0.0F)
            {
                this.lidAngle = 0.0F;
            }
        }
    }

    @Override
    public void openInventory(EntityPlayer player)
    {
        ++this.numPlayersUsing;
        this.world.addBlockEvent(pos, this.getBlockType(), 1, this.numPlayersUsing);
        this.world.notifyNeighborsOfStateChange(pos, this.getBlockType(), false);
    }

    @Override
    public void closeInventory(EntityPlayer player)
    {
        --this.numPlayersUsing;
        this.world.addBlockEvent(pos, this.getBlockType(), 1, this.numPlayersUsing);
        this.world.notifyNeighborsOfStateChange(pos, this.getBlockType(), false);
    }
}