/**
* @param Replay $replay
* @param BinaryReader $br
* @param int $frameNumber
* @return Replication
*/
public static function deserialize($replay, $br, $frameNumber)
{
$r = new self();
$r->actorId = bindec(strrev($br->readBits(10)));
$r->channelState = $br->readBit();
if (!$r->channelState) {
$replay->closeActor($r->actorId, $frameNumber);
return $r;
}
$r->actorState = $br->readBit();
if ($r->actorState) {
// New actor
$r->propertyFlag = $br->readBit();
// seems to always be 0 since we are creating a new actor
$r->actorObjectId = bindec(strrev($br->readBits(8)));
$actor = $replay->createActor($r->actorId, $r->actorObjectId, $frameNumber);
$actor->deserializeInit($br);
print "Actor #{$actor->id} {$actor->class} R:{$actor->rotator} P:{$actor->position} O:{$actor->orientation}\n";
} else {
// Existing actor
print "existing actor\n";
$actor = $replay->getActor($r->actorId);
while ($br->readBit()) {
$actor->updateProperty(ActorProperty::deserialize($replay, $br, $actor));
}
}
return $r;
}
/**
* Parses the given file path as a replay and returns a Replay.
*
* @param string $path
* @return Replay
*/
public static function parse($path)
{
$replay = new Replay();
if (!is_readable($path)) {
throw new \Exception('Cannot read replay file.');
}
if (!filesize($path)) {
throw new \Exception('No data in replay file.');
}
$handle = fopen($path, 'rb');
// Size of properties section
self::readInt($handle);
// CRC
self::readInt($handle);
$replay->version = self::readInt($handle) . '.' . self::readInt($handle);
$replay->type = self::readString($handle);
$replay->properties = self::readProperties($handle);
// Size of remaining data
self::readInt($handle);
// Unknown 4 byte separator
self::readInt($handle);
$replay->levels = self::readStrings($handle);
$replay->keyFrames = self::readKeyFrames($handle);
$frameData = self::readFrameData($handle);
$replay->log = self::readLog($handle);
$replay->ticks = self::readTicks($handle);
$replay->packages = self::readStrings($handle);
$replay->objects = self::readStrings($handle);
$replay->names = self::readStrings($handle);
$replay->classes = self::readClasses($handle);
$replay->propertyTree = self::readPropertyTree($handle);
fclose($handle);
$replay->buildCache();
$replay->frames = self::deserializeFrames($replay, $frameData);
return $replay;
}