control.lua

   1
   2 function build_gui(player)
   3     -- here only build gui, but not try to update it with player data that is not always already available (in init_player for example)
   4     local guif = player.gui.top.flw_zoom
   5
   6     if guif == nil then
   7         guif = player.gui.top.add({type = "flow", name = "flw_zoom", direction = "horizontal", style = "zoom_flow_style"})
   8         guif.add({type = "sprite-button", name = "but_zoom_zout", sprite = "sprite_zout", style = "zoom_sprite_style"})
   9         guif.add({type = "sprite-button", name = "but_zoom_zin", sprite = "sprite_zin", style = "zoom_sprite_style"})
  10     end
  11 end
  12
  13
  14 function setplayerzoomlimit(player)
  15     if player.controller_type == defines.controllers.character then
  16         player.zoom_limits = {}
  17         local defzoomlimit = player.zoom_limits
  18
  19         player.zoom_limits = {
  20             furthest = { distance = defzoomlimit.furthest.distance*player.mod_settings["some-zoom-zoomlimitfactor"].value, max_distance = defzoomlimit.furthest.max_distance*player.mod_settings["some-zoom-zoomlimitfactor"].value},
  21             furthest_game_view = { distance = defzoomlimit.furthest.distance*player.mod_settings["some-zoom-zoomlimitfactor"].value, max_distance = defzoomlimit.furthest.max_distance*player.mod_settings["some-zoom-zoomlimitfactor"].value}
  22         }
  23     end
  24
  25     build_gui(player)
  26 end
  27
  28
  29 local function on_gui_click(event)
  30     local player = game.players[event.player_index]
  31
  32     if event.element.name == "but_zoom_zin" then
  33         setplayerzoomlimit(player)
  34         player.zoom = player.zoom/player.mod_settings["some-zoom-zoomchangefactor"].value
  35
  36     elseif event.element.name == "but_zoom_zout" then
  37         setplayerzoomlimit(player)
  38         player.zoom = player.zoom*player.mod_settings["some-zoom-zoomchangefactor"].value
  39
  40     end
  41 end
  42
  43
  44
  45 local function on_runtime_mod_setting_changed(event)
  46     local player = game.players[event.player_index]
  47     setplayerzoomlimit(player)
  48 end
  49
  50
  51
  52 local function on_init()
  53     for _, player in pairs(game.players) do
  54         setplayerzoomlimit(player)
  55     end
  56 end
  57
  58
  59 script.on_event(defines.events.on_runtime_mod_setting_changed, on_runtime_mod_setting_changed)
  60 script.on_event(defines.events.on_gui_click, on_gui_click)
  61 script.on_init(on_init)