new module

modules/offline_characters.lua

@@ -0,0 +1,49 @@
+local Global = require 'utils.global'
+local Event = require 'utils.event'
+
+local offline_characters = {}
+Global.register(
+    offline_characters,
+    function(tbl)
+        offline_characters = tbl
+    end
+)
+
+local function on_player_joined_game(event)
+	local player = game.players[event.player_index]	
+	if not offline_characters[player.index] then return end
+	
+	local offline_character = offline_characters[player.index]
+	if not offline_character or not offline_character.valid then
+		offline_characters[player.index] = nil 
+		if not player.character or player.character.valid then
+			player.set_controller({type = defines.controllers.god})
+			player.create_character()
+		end
+		return 
+	end
+	
+	local c = player.character
+	if c and c.valid then	
+		player.character = nil
+		c.destroy()
+	end
+	
+	player.associate_character(offline_character)
+	player.set_controller({type = defines.controllers.character, character = offline_character})
+	offline_characters[player.index] = nil
+end
+
+local function on_pre_player_left_game(event)
+	local player = game.players[event.player_index]
+	local character = player.character
+	if not character or not character.valid then return end
+	player.set_controller({type = defines.controllers.god})
+	character.driving = false
+	character.associated_player = nil
+	character.color = {125, 125, 125}
+	offline_characters[player.index] = character			
+end
+
+Event.add(defines.events.on_player_joined_game, on_player_joined_game)
+Event.add(defines.events.on_pre_player_left_game, on_pre_player_left_game)