TrackManiaControl/libs/React/EventLoop/Timer/Timers.php

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<?php
namespace React\EventLoop\Timer;
use SplObjectStorage;
use SplPriorityQueue;
class Timers
{
private $time;
private $timers;
private $scheduler;
public function __construct()
{
$this->timers = new SplObjectStorage();
$this->scheduler = new SplPriorityQueue();
}
public function updateTime()
{
return $this->time = microtime(true);
}
public function getTime()
{
return $this->time ?: $this->updateTime();
}
public function add(TimerInterface $timer)
{
$interval = $timer->getInterval();
$scheduledAt = $interval + $this->getTime();
$this->timers->attach($timer, $scheduledAt);
$this->scheduler->insert($timer, -$scheduledAt);
}
public function contains(TimerInterface $timer)
{
return $this->timers->contains($timer);
}
public function cancel(TimerInterface $timer)
{
$this->timers->detach($timer);
}
public function getFirst()
{
while ($this->scheduler->count()) {
$timer = $this->scheduler->top();
if ($this->timers->contains($timer)) {
return $this->timers[$timer];
}
$this->scheduler->extract();
}
return null;
}
public function isEmpty()
{
return count($this->timers) === 0;
}
public function tick()
{
$time = $this->updateTime();
$timers = $this->timers;
$scheduler = $this->scheduler;
while (!$scheduler->isEmpty()) {
$timer = $scheduler->top();
if (!isset($timers[$timer])) {
$scheduler->extract();
$timers->detach($timer);
continue;
}
if ($timers[$timer] >= $time) {
break;
}
$scheduler->extract();
call_user_func($timer->getCallback(), $timer);
if ($timer->isPeriodic() && isset($timers[$timer])) {
$timers[$timer] = $scheduledAt = $timer->getInterval() + $time;
$scheduler->insert($timer, -$scheduledAt);
} else {
$timers->detach($timer);
}
}
}
}