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Aug 21st, 2018
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  1. --[[
  2. Sliding option handler [v1] (13/08/2018)
  3. Written by AFRLme [Lee Clarke]
  4. -- + --
  5. afrlme@outlook.com | https://de.tail.studio
  6. -- + --
  7. This script was created as freelance work for (game name) [developer name]. In game credit is non-negotiable.
  8. You are free to: ¹ use it in your game(s). ² modify the script.
  9. Do not remove - or edit - this comment block.
  10. --]]
  11.  
  12. -- * local vars for storing data * --
  13. local rail, anim, width, perc, pos, loop
  14.  
  15. -- * table for storing objects, interaction polygons, begin & end slider rail positions * --
  16. sliders = {
  17.  { obj = Objects["slider_music"].ObjectPolygon, b = 64, e = 864 },
  18.  { obj = Objects["slider_sound"].ObjectPolygon, b = 64, e = 864 }
  19. }
  20.  
  21. -- * sound tables for volume slider * --
  22. vol_sndz = { sfx = "vispath:Sounds/Character/Yeah.ogg" }
  23.  
  24. function slider_sound()
  25.  if rail == 2 then startSound(vol_sndz["sfx"], {flags = 1, volume = getVolume(eSoundVolume)}) end -- play sfx on sound volume change or lose focus
  26.  loop = nil; anim = nil; rail = nil -- reset some variables
  27.  Conditions["options_modified"].ConditionValue = true -- set options_modified condition to true to signify an option has been changed (will be used to determine if config.ini should be updated)
  28. end
  29.  
  30. -- * function that handles mouse events * --
  31. function onMouseEvent(typ, pos)
  32.  if game.CurrentScene:getName() == "options_menu" then -- force it to only register events for settings scene
  33.  
  34.   if typ == eEvtMouseLeftButtonHolding then
  35.     for i = 1, #sliders do
  36.      if isPointInsidePolygon(getCursorPos(), sliders[i].obj) then rail = i; if loop == nil then registerEventHandler("mainLoop", "updateSlider"); loop = true end end
  37.     end
  38.   elseif typ == eEvtMouseLeftButtonHold then
  39.    slider_sound(); unregisterEventHandler("mainLoop", "updateSlider")
  40.   end
  41.  
  42.  end
  43. end
  44.  
  45. function updateSlider()
  46.  if rail ~= nil then
  47.   pos = getCursorPos().x; if pos  sliders[rail].e then pos = sliders[rail].e end
  48.   perc = math.floor( (getCursorPos().x - sliders[rail].b) / (sliders[rail].e - sliders[rail].b) * 100 ) -- convert mouse position on rail to percentage value
  49.   if perc  100 then perc = 100 end -- fallback in case percentage lower than 0 or higher than 100
  50.   if not isPointInsidePolygon(getCursorPos(), sliders[rail].obj) then slider_sound(); unregisterEventHandler("mainLoop", "updateSlider") end
  51.   if rail == 1 then
  52.    setVolume(eMusicVolume, perc) -- update music volume
  53.   elseif rail == 2 then
  54.    setVolume(eSoundVolume, perc) -- update sound volume
  55.   end
  56.   anim = ActiveAnimations["vol_"..rail] -- get animation current position
  57.   anim.AnimationCurrentPosition = {x = (pos - 23) , y = anim.AnimationCurrentPosition.y} -- update rail handle position
  58.   if anim.AnimationCurrentPosition.x  sliders[rail].e then anim.AnimationCurrentPosition = {x = (sliders[rail].e - 23), y = anim.AnimationCurrentPosition.y} end
  59.  end
  60. end
  61.  
  62. registerEventHandler("mouseEvent", "onMouseEvent") -- creates an event listener & assigns it to a function "onMouseEvent" to handle mouse events
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