Gui Tutorial #5 (Slots)

mod_ file (exerpts)
============================
public static final Block guiBlock = new BlockGuiBlock(250, net.minecraft.src.AwesomeTileEntity.class).setHardness(0.5F).setBlockName("Gui Block");

ModLoader.RegisterTileEntity(net.minecraft.src.AwesomeTileEntity.class, "AwesomeTileEntity");

============================
BlockGuiBlock (Whole file)
================================
package net.minecraft.src;


// Referenced classes of package net.minecraft.src:
//            Block, Material

public class BlockGuiBlock extends BlockContainer
{

    private Class AwesomeEntityClass;

    protected BlockGuiBlock(int i, Class classt)
    {
        super(i, Material.ground);
        AwesomeEntityClass = classt;
        blockIndexInTexture = ModLoader.addOverride("/terrain.png", "/mods/guiblock.png");
    }

    public void onBlockClicked(World world, int i, int j, int k, EntityPlayer entityplayer)
    {
         Object obj = (AwesomeTileEntity)world.getBlockTileEntity(i, j, k);
         ModLoader.OpenGUI(entityplayer, new BlockGUISlot(entityplayer.inventory,(AwesomeTileEntity)(obj)));
        //ModLoader.OpenGUI(entityplayer, new GuiWhatever());
    }

    public TileEntity getBlockEntity()
    {
            try{
                    return (TileEntity)AwesomeEntityClass.newInstance();
            }
            catch(Exception exception){
                    throw new RuntimeException(exception);
            }
    }






}
===========================
AwesomeContainer (Whole File)
===========================
package net.minecraft.src;

import java.util.List;

public class AwesomeContainer extends Container
{
    private AwesomeTileEntity awesome;

    public AwesomeContainer(InventoryPlayer inventoryplayer, AwesomeTileEntity tileentityawesome)
    {
        awesome = tileentityawesome;
        addSlot(new Slot(tileentityawesome, 0, 79, 38));
        for (int i = 0; i < 3; i++)
        {
            for (int k = 0; k < 9; k++)
            {
                addSlot(new Slot(inventoryplayer, k + i * 9 + 9, 8 + k * 18, 84 + i * 18));
            }
        }

        for (int j = 0; j < 9; j++)
        {
            addSlot(new Slot(inventoryplayer, j, 8 + j * 18, 142));
        }
    }

    public boolean canInteractWith(EntityPlayer entityplayer)
    {
        return awesome.isUseableByPlayer(entityplayer);
    }


}
===============================
AwesomeTileEntity (Whole File)
===============================

package net.minecraft.src;

public class AwesomeTileEntity extends TileEntity implements IInventory{

    public ItemStack awesomeItemStacks[];

    public AwesomeTileEntity(){
        awesomeItemStacks = new ItemStack[1];
    }
    @Override
    public int getSizeInventory()
    {
        return  awesomeItemStacks.length;
    }


    @Override
    public ItemStack getStackInSlot(int i) {
        return awesomeItemStacks[i];
    }

    @Override
    public ItemStack decrStackSize(int i, int j) {
        if (awesomeItemStacks[i] != null)
        {
            if (awesomeItemStacks[i].stackSize <= j)
            {
                ItemStack itemstack = awesomeItemStacks[i];
                awesomeItemStacks[i] = null;
                return itemstack;
            }
            ItemStack itemstack1 = awesomeItemStacks[i].splitStack(j);
            if (awesomeItemStacks[i].stackSize == 0)
            {
                awesomeItemStacks[i] = null;
            }
            return itemstack1;
        }
        else
        {
            return null;
        }
    }

    @Override
    public void setInventorySlotContents(int i, ItemStack itemstack) {
        awesomeItemStacks[i] = itemstack;
        if (itemstack != null && itemstack.stackSize > getInventoryStackLimit())
        {
            itemstack.stackSize = getInventoryStackLimit();
        }
    }

    @Override
    public String getInvName()
    {
        return "awesome";
    }

    @Override
    public int getInventoryStackLimit() {
        // TODO Auto-generated method stub
        return 64;
    }

    @Override
    public void openChest() {

    }

    @Override
    public void closeChest() {
        // TODO Auto-generated method stub

    }
    public boolean done = false;

       public void updateEntity()
        {
           ItemStack itemstack = awesomeItemStacks[0];
           if (itemstack != null)
           {
               int i = itemstack.getItem().shiftedIndex;
                if(i == Item.stick.shiftedIndex)
                    {
                    done = true;
                    itemstack.stackSize = 2;
                    }
           }
           else
           {
               done = false;
           }

        }

       public boolean isUseableByPlayer(EntityPlayer entityplayer)
        {
            if(worldObj.getBlockTileEntity(xCoord, yCoord, zCoord) != this)
            {
                return false;
            }
            return entityplayer.getDistanceSq((double)xCoord + 0.5D, (double)yCoord + 0.5D, (double)zCoord + 0.5D) <= 64D;
        }

}
=================================
BlockGuiSlot (Whole File)
================================

package net.minecraft.src;

import org.lwjgl.opengl.GL11;

public class BlockGUISlot extends GuiContainer{

    public EntityPlayer player;
    public AwesomeTileEntity tile;

    public BlockGUISlot(InventoryPlayer inventoryplayer, AwesomeTileEntity entity)
    {
        super(new AwesomeContainer(inventoryplayer, entity));
        tile = entity;
        player = ModLoader.getMinecraftInstance().thePlayer;
    }

    protected void drawGuiContainerForegroundLayer()
    {
        if(tile.done == true)
        {
        drawString(fontRenderer, "Done", 50, 0, 0xFFFFFF);
        }
    }

    protected void drawGuiContainerBackgroundLayer(float f, int i, int j)
    {
        drawDefaultBackground();
        int k = mc.renderEngine.getTexture("/mods/awesome.png");
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        mc.renderEngine.bindTexture(k);
        int l = (width - xSize) / 2;
        int i1 = (height - ySize) / 2;
        drawTexturedModalRect(l, i1, 0, 0, xSize, ySize);
    }

}