An Active player and Reactive player are in base to base contact within Smoke. Do they have LoF to each other? I assume the answer is no.
Aight, this would probably be clearer with diagrams, but there's something that comes up a bit, especially when you have a 40mm+ base model tucked...
So, this has become a sticky issue in the most recent Intent thread, and even prompted a question in the rules forum about when we can use gaming...