776.013 Home protection; use of deadly force; presumption of fear of death or great bodily harm.--
(1) A person is presumed to have held a reasonable fear of imminent peril of death or great bodily harm to himself or herself or another when using defensive force that is intended or likely to cause death or great bodily harm to another if:
(a) The person against whom the defensive force was used was in the process of unlawfully and forcefully entering, or had unlawfully and forcibly entered, a dwelling, residence, or occupied vehicle, or if that person had removed or was attempting to remove another against that person's will from the dwelling, residence, or occupied vehicle; and
Pretty simple and straight forward, if you are in my house unlawfully, I can shoot you. That sure makes the burglarly of an occupied dwelling a real bad idea. If you are drunk and bust in thinking it is your house, i can shoot you. We already have case law on this one.