Gui Handler

gistfile1.txt

/* Base Block */
public abstract class InventoryBlock extends BlockContainer
{
    protected InventoryBlock(int id, Material material)
    {
        super(id, material);
    }

    /* Logic backend */
    public TileEntity createNewTileEntity (World var1) { return null; }    
    public abstract TileEntity createNewTileEntity(World world, int metadata);
    public abstract Integer getGui(World world, int x, int y, int z, EntityPlayer entityplayer);    
    public abstract Object getModInstance();

    @Override
    public boolean onBlockActivated (World world, int x, int y, int z, EntityPlayer player, int side, float clickX, float clickY, float clickZ)
    {
        if (player.isSneaking())
            return false;
        
        Integer integer = getGui(world, x, y, z, player);
        if (integer == null || integer == -1)
        {
            return false;
        }
        else
        {
            player.openGui(getModInstance(), integer, world, x, y, z);
            return true;
        }
    }

    /* Inventory */
    
    @Override
    public void breakBlock (World par1World, int x, int y, int z, int par5, int par6)
    {
        InventoryLogic logic = (InventoryLogic) par1World.getBlockTileEntity(x, y, z);

        if (logic != null)
        {
            for (int iter = 0; iter < logic.getSizeInventory(); ++iter)
            {
                ItemStack stack = logic.getStackInSlot(iter);

                if (stack != null && logic.canDropInventorySlot(iter))
                {
                    float jumpX = TConstruct.tRand.nextFloat() * 0.8F + 0.1F;
                    float jumpY = TConstruct.tRand.nextFloat() * 0.8F + 0.1F;
                    float jumpZ = TConstruct.tRand.nextFloat() * 0.8F + 0.1F;

                    while (stack.stackSize > 0)
                    {
                        int itemSize = TConstruct.tRand.nextInt(21) + 10;

                        if (itemSize > stack.stackSize)
                        {
                            itemSize = stack.stackSize;
                        }

                        stack.stackSize -= itemSize;
                        EntityItem entityitem = new EntityItem(par1World, (double) ((float) x + jumpX), (double) ((float) y + jumpY), (double) ((float) z + jumpZ), 
                                new ItemStack(stack.itemID, itemSize, stack.getItemDamage()));

                        if (stack.hasTagCompound())
                        {
                            entityitem.func_92014_d().setTagCompound((NBTTagCompound) stack.getTagCompound().copy());
                        }

                        float offset = 0.05F;
                        entityitem.motionX = (double) ((float) TConstruct.tRand.nextGaussian() * offset);
                        entityitem.motionY = (double) ((float) TConstruct.tRand.nextGaussian() * offset + 0.2F);
                        entityitem.motionZ = (double) ((float) TConstruct.tRand.nextGaussian() * offset);
                        par1World.spawnEntityInWorld(entityitem);
                    }
                }
            }
        }

        super.breakBlock(par1World, x, y, z, par5, par6);
    }
    
    @Override
    public void onBlockPlacedBy(World world, int x, int y, int z, EntityLiving entityliving)
    {
        TileEntity logic = world.getBlockTileEntity(x, y, z);
        if (logic instanceof IFacingLogic)
        {
            IFacingLogic direction = (IFacingLogic) logic;
            if (entityliving == null)
            {
                direction.setDirection(0F, 0F);
            }
            else
            {
                direction.setDirection(entityliving.rotationYaw * 4F, entityliving.rotationPitch);
            }
        }
    }
    
    public static boolean isActive(IBlockAccess world, int x, int y, int z)
    {
        TileEntity logic = world.getBlockTileEntity(x, y, z);
        if (logic instanceof IActiveLogic)
        {
            return ((IActiveLogic)logic).getActive();
        }
        return false;
    }
}

/*
 * A simple logic class for storing items
 * Abstract to avoid instantiation
 */

public abstract class InventoryLogic extends TileEntity
    implements IInventory
{
    protected ItemStack[] inventory;
    
    public InventoryLogic(int invSize)
    {
        inventory = new ItemStack[invSize];
    }
    
    /* Inventory management */
    
    @Override
    public ItemStack getStackInSlot(int slot)
    {
        return inventory[slot];
    }
    
    public boolean isStackInSlot(int slot)
    {
        return inventory[slot] != null;
    }
    
    @Override
    public int getSizeInventory()
    {
        return inventory.length;
    }
    
    @Override
    public int getInventoryStackLimit ()
    {
        return 64;
    }
    
    public boolean canDropInventorySlot(int slot)
    {
        return true;
    }
    
    @Override
    public void setInventorySlotContents(int slot, ItemStack itemstack)
    {
        inventory[slot] = itemstack;
        if (itemstack != null && itemstack.stackSize > getInventoryStackLimit())
        {
            itemstack.stackSize = getInventoryStackLimit();
        }
    }
    
    @Override
    public ItemStack decrStackSize(int slot, int quantity)
    {
        if (inventory[slot] != null)
        {
            if (inventory[slot].stackSize <= quantity)
            {
                ItemStack stack = inventory[slot];
                inventory[slot] = null;
                return stack;
            }
            ItemStack split = inventory[slot].splitStack(quantity);
            if (inventory[slot].stackSize == 0)
            {
                inventory[slot] = null;
            }
            return split;
        }
        else
        {
            return null;
        }
    }
    
    /* Supporting methods */
    @Override
    public boolean isUseableByPlayer(EntityPlayer entityplayer)
    {
        if (worldObj.getBlockTileEntity(xCoord, yCoord, zCoord) != this)
            return false;
        
        else
            return entityplayer.getDistance((double)xCoord + 0.5D, (double)yCoord + 0.5D, (double)zCoord + 0.5D) <= 64D;
        
    }
    
    public abstract Container getGuiContainer (InventoryPlayer inventoryplayer, World world, int x, int y, int z);
    
    /* NBT */
    @Override
    public void readFromNBT(NBTTagCompound tags)
    {
        super.readFromNBT(tags);
        NBTTagList nbttaglist = tags.getTagList("Items");
        inventory = new ItemStack[getSizeInventory()];
        for (int iter = 0; iter < nbttaglist.tagCount(); iter++)
        {
            NBTTagCompound tagList = (NBTTagCompound)nbttaglist.tagAt(iter);
            byte slotID = tagList.getByte("Slot");
            if (slotID >= 0 && slotID < inventory.length)
            {
                inventory[slotID] = ItemStack.loadItemStackFromNBT(tagList);
            }
        }
    }

    @Override
    public void writeToNBT(NBTTagCompound tags)
    {
        super.writeToNBT(tags);
        NBTTagList nbttaglist = new NBTTagList();
        for (int iter = 0; iter < inventory.length; iter++)
        {
            if (inventory[iter] != null)
            {
                NBTTagCompound tagList = new NBTTagCompound();
                tagList.setByte("Slot", (byte)iter);
                inventory[iter].writeToNBT(tagList);
                nbttaglist.appendTag(tagList);
            }
        }

        tags.setTag("Items", nbttaglist);
    }
    
    /* Default implementations of hardly used methods */
    public ItemStack getStackInSlotOnClosing (int slot) { return null; }
    public void openChest () {}
    public void closeChest () {}
}


public class TGuiHandler implements IGuiHandler
{
    public static int stationID = 0;
    public static int partID = 1;
    public static int pchestID = 2;
    public static int pshaperID = 3;
    public static int frypanID = 4;

    public static int smeltery = 7;
    public static int manualGui = -1;

    @Override
    public Object getServerGuiElement (int ID, EntityPlayer player, World world, int x, int y, int z)
    {
        if (ID < 0)
            return null;
        
        TileEntity tile = world.getBlockTileEntity(x, y, z);
        if (tile != null && tile instanceof InventoryLogic)
            return ((InventoryLogic) tile).getGuiContainer(player.inventory, world, x, y, z);
        return null;
    }

    @Override
    public Object getClientGuiElement (int ID, EntityPlayer player, World world, int x, int y, int z)
    {
        if (ID == stationID)
            return new ToolStationGui(player.inventory, (ToolStationLogic) world.getBlockTileEntity(x, y, z), world, x, y, z);
        if (ID == partID)
            return new PartCrafterGui(player.inventory, (PartCrafterLogic) world.getBlockTileEntity(x, y, z), world, x, y, z);
        if (ID == pchestID)
            return new PatternChestGui(player.inventory, (PatternChestLogic) world.getBlockTileEntity(x, y, z), world, x, y, z);
        if (ID == frypanID)
            return new FrypanGui(player.inventory, (FrypanLogic) world.getBlockTileEntity(x, y, z), world, x, y, z);
        if (ID == smeltery)
            return new SmelteryGui(player.inventory, (SmelteryLogic) world.getBlockTileEntity(x, y, z), world, x, y, z);
        if (ID == pshaperID)
            return new PatternShaperGui(player.inventory, (PatternShaperLogic) world.getBlockTileEntity(x, y, z), world, x, y, z);
        if (ID == manualGui)
        {
            ItemStack stack = player.getCurrentEquippedItem();
            return new GuiManual(stack, TProxyClient.getManualFromStack(stack));
        }
        return null;
    }

}