ComfyFactorio/maps/nightfall_map_intro.lua

local event = require 'utils.event'

local main_caption = " --Nightfall-- "
local sub_caption = "*can you make it through*"
local info = [[
	They come out at night, trying to nom your rocket silo.
	
	Fend them off as long as possible!
		
	There seem to be shipwrecks of unfortunate explorers all over this place.
	It might be worth scavenging a few.
	
	Wreck loot quality increases with distance.
]]

local function create_map_intro(player)
	if player.gui.left["map_intro_frame"] then player.gui.left["map_intro_frame"].destroy() end
	local frame = player.gui.left.add {type = "frame", name = "map_intro_frame", direction = "vertical"}
	local t = frame.add {type = "table", column_count = 1}	
	
	local tt = t.add {type = "table", column_count = 3}
	local l = tt.add {type = "label", caption = main_caption}
	l.style.font = "default-listbox"
	l.style.font_color = {r=0.85, g=0.0, b=0.25}
	l.style.top_padding = 6	
	l.style.bottom_padding = 6
	
	local l = tt.add {type = "label", caption = sub_caption}
	l.style.font = "default"
	l.style.font_color = {r=0.1, g=0.65, b=0.1}
	l.style.minimal_width = 280	
	
	local b = tt.add {type = "button", caption = "X", name = "close_map_intro_frame", align = "right"}	
	b.style.font = "default"
	b.style.minimal_height = 30
	b.style.minimal_width = 30
	b.style.top_padding = 2
	b.style.left_padding = 4
	b.style.right_padding = 4
	b.style.bottom_padding = 2
	
	local tt = t.add {type = "table", column_count = 1}
	local frame = t.add {type = "frame"}
	local l = frame.add {type = "label", caption = info}
	l.style.single_line = false	
	l.style.font_color = {r=0.95, g=0.95, b=0.95}	
end

local function on_player_joined_game(event)	
	local player = game.players[event.player_index]
	if player.online_time < 36000 then
		create_map_intro(player)
	end
end

local function on_gui_click(event)
	if not event then return end
	if not event.element then return end
	if not event.element.valid then return end	
	local player = game.players[event.element.player_index]
	if event.element.name == "close_map_intro_frame" then player.gui.left["map_intro_frame"].destroy() end	
end

event.add(defines.events.on_player_joined_game, on_player_joined_game)
event.add(defines.events.on_gui_click, on_gui_click)