Emotions and consciousness are not the same thing.
Not to mention, there are people who at least claim they can feel at least certain emotions, such as serenity, regardless of the situation that they are in. It may be that with enough study, we ask could actually learn of a way to feel happiness regardless of external context.
Emotion: a process that involves cognitive interpretations of your context (environment + thoughts) and a physiological feeling through the senses (heart rate, tingly sensations, weird feelings in eyes). Check out the James Lange theory. There are better theories, but this has the fundamentals.
I ad libbed this one, I wanted to show that there is a difference. It wasn't my intention to be pinpoint accurate.