BlockVendingMachine

import com.skcraft.creditvendor.CreditVendor;
import com.skcraft.creditvendor.tileentity.TileEntityVendingMachine;
import cpw.mods.fml.common.network.FMLNetworkHandler;
import net.minecraft.block.Block;
import net.minecraft.block.BlockContainer;
import net.minecraft.block.material.Material;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;

public class BlockVendingMachine extends BlockContainer {
    public BlockVendingMachine( int id ) {
        super( id, Material.iron );
        setCreativeTab( CreditVendor.cVendorTab );
        setHardness( 0.6F );
        setResistance( 6000000.0F );
        setBlockUnbreakable();
        setStepSound( Block.soundMetalFootstep );
    }

    @Override
    public TileEntity createNewTileEntity( World world ) {
        return new TileEntityVendingMachine();
    }

    @Override
    public boolean onBlockActivated( World world, int x, int y, int z, EntityPlayer entityPlayer, int side, float hitX, float hitY, float hitZ ) {
        if( !world.isRemote ) {
            FMLNetworkHandler.openGui( entityPlayer, CreditVendor.instance, 0, world, x, y, z );
        }
        return true;
    }

    @Override
    public void breakBlock( World world, int x, int y, int z, int id, int metadata ) {
        TileEntity tileEntity = world.getBlockTileEntity( x, y, z );
        if( tileEntity != null && tileEntity instanceof IInventory ) {
            IInventory inventory = ( IInventory )tileEntity;
            for( int slot = 0; slot < inventory.getSizeInventory(); slot++ ) {
                ItemStack stack = inventory.getStackInSlotOnClosing( slot );
                if( stack != null ) {
                    float spawnX = x + world.rand.nextFloat();
                    float spawnY = y + world.rand.nextFloat();
                    float spawnZ = z + world.rand.nextFloat();

                    EntityItem droppedItem = new EntityItem( world, spawnX, spawnY, spawnZ, stack );

                    float multiple = 0.05F;
                    droppedItem.motionX = ( -0.5F + world.rand.nextFloat() ) * multiple;
                    droppedItem.motionY = ( 4F + world.rand.nextFloat() ) * multiple;
                    droppedItem.motionZ = ( -0.5F + world.rand.nextFloat() ) * multiple;

                    world.spawnEntityInWorld( droppedItem );
                }
            }
        }
        super.breakBlock( world, x, y, z, id, metadata );
    }
}