61 lines
1.4 KiB
V
61 lines
1.4 KiB
V
|
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
|
||
|
|
// Use of this source code is governed by an MIT license
|
||
|
|
// that can be found in the LICENSE file.
|
||
|
|
module time
|
||
|
|
|
||
|
|
// Timer struct and functions
|
||
|
|
// start and end are # of ms since start of system.
|
||
|
|
// When end_ticks == 0, this means the timer is actively "running"
|
||
|
|
pub struct Timer {
|
||
|
|
pause_start i64
|
||
|
|
pub:
|
||
|
|
start_ticks i64
|
||
|
|
end_ticks i64
|
||
|
|
}
|
||
|
|
|
||
|
|
// start Starts the timer. If the timer was paused, restarts counting.
|
||
|
|
pub fn (t mut Timer) start() {
|
||
|
|
if t.pause_start == 0 {
|
||
|
|
t.start_ticks = ticks()
|
||
|
|
} else {
|
||
|
|
// We were paused, so pretend like the time we were paused didn't
|
||
|
|
// happen
|
||
|
|
t.start_ticks += ticks() - t.pause_start
|
||
|
|
}
|
||
|
|
t.end_ticks = 0
|
||
|
|
t.pause_start = 0
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn (t mut Timer) restart() {
|
||
|
|
t.end_ticks = 0
|
||
|
|
t.pause_start = 0
|
||
|
|
t.start_ticks = ticks()
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn (t mut Timer) pause() {
|
||
|
|
t.pause_start = ticks()
|
||
|
|
t.end_ticks = t.pause_start // so elapsed() still keeps track of the cared-amount of time
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn (t mut Timer) stop() {
|
||
|
|
t.end_ticks = ticks()
|
||
|
|
t.pause_start = 0
|
||
|
|
}
|
||
|
|
|
||
|
|
// elapsed If the Timer is stopped, returns the number of milliseconds between
|
||
|
|
// the last start and stop.
|
||
|
|
// If the Timer is still running, returns the number of milliseconds from the
|
||
|
|
// last start to now.
|
||
|
|
pub fn (t Timer) elapsed() i64 {
|
||
|
|
if t.end_ticks == 0 {
|
||
|
|
return ticks() - t.start_ticks
|
||
|
|
} else {
|
||
|
|
return t.end_ticks - t.start_ticks
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn new_timer() Timer {
|
||
|
|
return Timer{start_ticks: ticks()}
|
||
|
|
}
|
||
|
|
|