Factorio Forums

Posted: **Sun Apr 15, 2018 5:11 pm**

Hi,

according to the api-doc map_gen_settings.height and width is writable but the value is not saved and so not returned:

Code: Select all

/c game.player.surface.map_gen_settings.width=42
/c game.player.print(game.player.surface.map_gen_settings.width)

This returns 2000000, expected is 42.

Cu, steinio.

Posted: **Sun Apr 15, 2018 5:47 pm**

It needs to be

Code: Select all

local new_map_gen_settings = game.player.surface.map_gen_settings
new_map_gen_settings.width = 42
game.player.surface.map_gen_settings = new_map_gen_settings
game.player.print(game.player.surface.map_gen_settings.width)

In general, classes of type LuaSomething (ie LuaSurface, LuaEntity, ...) have binding to some underlying C++ class, wheras types without Lua prefix in name are plain Lua tables. So if the lua-doc says

Code: Select all

map_gen_settings :: MapGenSettings [RW]

it means result of map_gen_settings is plain table and changing it won't do anything. You need to change it and write it back.

Posted: **Sun Apr 15, 2018 6:12 pm**

Ok thank you for this explaination.

Factorio Forums

[0.16.36] map_gen_settings.height / width not saved

[0.16.36] map_gen_settings.height / width not saved

Re: [0.16.36] map_gen_settings.height / width not saved

Re: [0.16.36] map_gen_settings.height / width not saved