on *:TEXT:!start:#:{
  if ($($+(%,stopwatch.start.,$nick),2)) {
    msg $chan You already have a stopwatch running.
  }
  elseif ($($+(%,stopwatch.pause.,$nick),2)) {
    msg $chan You already have a stopwatch running (paused).
  }
  else {
    set $+(%,stopwatch.start.,$nick) $ctime
    msg $chan Stopwatch started.
  }
}
on *:TEXT:!stop:#:{
  if (!$($+(%,stopwatch.start.,$nick),2)) {
    msg $chan You do not have a stopwatch running.
  }
  elseif ($($+(%,stopwatch.pause.,$nick),2)) {
    msg $chan You cannot stop a stopwatch that is paused.
  }
  else {
    var %dur = $duration($calc($ctime - $($+(%,stopwatch.start.,$nick),2) + $iif($($+(%,stopwatch.add.,$nick),2),$v1,0)))
    unset $+(%,stopwatch.*.,$nick)
    msg $chan Stopwatch stopped after %dur
  }
}
on *:TEXT:!pause:#:{
  if (!$($+(%,stopwatch.start.,$nick),2)) {
    msg $chan You do not have a stopwatch running.
  }
  elseif ($($+(%,stopwatch.pause.,$nick),2)) {
    msg $chan Your stopwatch has already been paused.
  }
  else {
    inc $+(%,stopwatch.add.,$nick) $calc($ctime - $($+(%,stopwatch.start.,$nick),2))
    set $+(%,stopwatch.pause.,$nick) true
    unset $+(%,stopwatch.start.,$nick)
    msg $chan Stopwatch paused.
  }
}
on *:TEXT:!continue:#:{
  if ($($+(%,stopwatch.start.,$nick),2)) {
    msg $chan Your stopwatch is not currently paused.
  }
  elseif (!$($+(%,stopwatch.pause.,$nick),2)) {
    msg $chan You do not have a stopwatch running.
  }
  else {
    set $+(%,stopwatch.start.,$nick) $ctime
    unset $+(%,stopwatch.pause.,$nick)
    msg $chan Stopwatch resumed.
  }
}