# Pastebin r1CjIVcJ
NBTTagList list = player.getEntityData().getTagList("Badges", 10);

		for (int i = 0; i < list.tagCount(); i++)
		{
			NBTTagCompound compound = list.getCompoundTagAt(i);
			Item item = ItemStack.loadItemStackFromNBT(compound).getItem();

			if (item instanceof ItemBadge && item.equals(badge))
			{
				return true;
			}
		}