// loop.js
var render = use('render')   // The refactored file above
var layout = use('clay')
var input = use('input')
var emitter = use('emitter')
var os = use('os')
var event = use('event')
var imgui = use('imgui')
var tracy = use('tracy')

var waittime = 1/240
var last_frame_time = 0
var frame_t = 0
var fpses = []
var timescale = 1

var dmon = use('dmon')

function dmon_cb(e) { prosperon.dispatch('dmon', e) }

function step() {
  if (dmon)
    dmon.poll(dmon_cb)
    
  var now = os.now()
  var dt = now - last_frame_time
  if (dt < waittime) os.sleep(waittime - dt)
  last_frame_time = os.now()

  dt = last_frame_time - frame_t
  frame_t = last_frame_time

  event.engine_input(e => prosperon.dispatch(e.type, e))
  layout.newframe()

  prosperon.appupdate(dt)
  input.procdown()
  emitter.update(dt * timescale)
  os.update_timers(dt * timescale)
  prosperon.update(dt * timescale)

  render.setup_draw()
  render.setup_hud()

  if (imgui) imgui.prosperon_menu();

  // Now do the GPU present (calls gpupresent in render.js)
  render._main.present()

  tracy.end_frame()
}

// Return or export them so you can call from a main script
return {
  step
}