local q = wesnoth.get_locations({
			{ "filter_adjacent_location", {
				adjacent = "-" .. direction,
				x = p[1],
				y = p[2]
			} },
			-- Must exclude map borders since we want to use this information
			-- to place units.
			{ "and", {
				x = ("1-%d"):format(mapw),
				y = ("1-%d"):format(maph)
			} },
		})