function execute(Adventure $adventure, Scene $scene, array $args)
{
if (count($args) <= 1) {
$adventure->output("Where to?");
return;
}
$direction = $args[1];
if (!$scene->getExits()->containsKey($direction)) {
$adventure->output('Cannot go ' . $direction);
return;
}
$key = $scene->getExits()->get($direction);
$newScene = $adventure->getScene($key);
$adventure->getState()->setScene($newScene);
list($action, $args) = $adventure->parse("look around");
$action->execute($adventure, $adventure->getState()->getScene(), $args);
}
protected function execute(InputInterface $input, OutputInterface $output)
{
// @TODO: Make sure we validate our configuration
$io = new Cli($input, $output);
$config = Config::load($input->getArgument('dir'));
$scenes = SceneLoader::load($config);
$adventure = new Adventure($io, $config, $scenes);
// Display the start of the adventure
$output->writeln($adventure->getConfig()['start']);
list($action, $args) = $adventure->parse("help");
$action->execute($adventure, $adventure->getState()->getScene(), $args);
// Initialize vars
$wrongParsedOrders = 0;
// And go!
while (true) {
$output->writeln("");
// Ask a question
$question = new Question("<comment>[scene: <info>" . $adventure->getState()->getScene()->getTitle() . "</info>] [inv: <info>" . count($adventure->getState()->getInventory()) . "</info>]</comment> > ");
$qh = new QuestionHelper();
$action = $qh->ask($input, $output, $question);
if (trim($action) == "") {
continue;
}
try {
list($action, $args) = $adventure->parse($action);
$wrongParsedOrders = 0;
} catch (ParseException $e) {
$output->writeln($e->getMessage());
$wrongParsedOrders++;
// If we have three unprocessed actions, it's time to hint the user for help
if ($wrongParsedOrders > 3) {
// Maybe the user is stuck?
$output->writeln("Do you need some <info>help</info>?");
}
continue;
}
$action->execute($adventure, $adventure->getState()->getScene(), $args);
}
}