case 38:
ItemStack itemStack1 = player.getCurrentEquippedItem().copy();
if(itemStack1 != null && itemStack1.getItem() instanceof ItemSeismicReader)
{
return new GuiSeismicReader(new Coord4D(x, y, z, world.provider.dimensionId), itemStack1);
}
case 39:
return new GuiSeismicVibrator(player.inventory, (TileEntitySeismicVibrator)tileEntity);
case 40:
return new GuiPRC(player.inventory, (TileEntityPRC)tileEntity);