public ItemStack onItemRightClick(ItemStack itemstack,World world, EntityPlayer player)
    {
        EntityNPCTest npc = new EntityNPCTest(worldObj);
        npc.setLocationAndAngles(player.posX, player.posY, player.posZ, player.rotationYaw, 0.0F);
        worldObj.entityJoinedWorld(npc);
        return itemstack;

    }