Pushes 1 (true) to the stack if one or more HQs are present on the map. Pushes 0 (false) otherwise.

# Says in the debug window whether one or more HQ's have been found.
if(ishqpresent)
"At least one HQ found."
else
"No HQ's found."
endif
trace

stack.Push(new Data(GameSpace.instance.headquartersShips.Count == 0 ? 0 : 1));