public function onRun(array $args, Space $space, Player $player)
{
if (!isset($args[0])) {
return self::WRONG_USE;
}
$name = array_shift($args);
$block = BlockList::getBlockFronString($name);
if ($block === null) {
return self::NO_BLOCK;
}
$duration = 300;
while (isset($args[0])) {
$arg = array_shift($args);
if (is_numeric($arg)) {
$duration = intval($arg) * 20;
} else {
$replaces = BlockList::getBlockArrayFromString($arg);
}
}
if (isset($replaces)) {
$space->replaceBlocks($replaces, $block, true, $player);
} else {
$space->setBlocks($block, $player);
}
$this->getMain()->getServer()->getScheduler()->scheduleDelayedTask(new UndoTestTask($this->getMain(), $space), $duration);
return "Previewing the selection for " . $duration / 20 . " seconds.";
}
