TrackManiaControl/core/Commands/CommandManager.php
2020-01-22 10:39:35 +01:00

225 lines
5.9 KiB
PHP

<?php
namespace ManiaControl\Commands;
use ManiaControl\Callbacks\CallbackListener;
use ManiaControl\Callbacks\CallbackManager;
use ManiaControl\Callbacks\Listening;
use ManiaControl\General\UsageInformationAble;
use ManiaControl\General\UsageInformationTrait;
use ManiaControl\ManiaControl;
/**
* Class for handling Chat Commands
*
* @author ManiaControl Team <mail@maniacontrol.com>
* @copyright 2014-2020 ManiaControl Team
* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
*/
class CommandManager implements CallbackListener, UsageInformationAble {
use UsageInformationTrait;
/*
* Private properties
*/
/** @var ManiaControl $maniaControl */
private $maniaControl = null;
/** @var HelpManager $helpManager */
private $helpManager = array();
/** @var Listening[][] $commandListenings */
private $commandListenings = array();
/** @var Listening[][] $adminCommandListenings */
private $adminCommandListenings = array();
/**
* Construct a new Commands Manager
*
* @param ManiaControl $maniaControl
*/
public function __construct(ManiaControl $maniaControl) {
$this->maniaControl = $maniaControl;
// Children
$this->helpManager = new HelpManager($this->maniaControl);
// Callbacks
$this->maniaControl->getCallbackManager()->registerCallbackListener(CallbackManager::CB_MP_PLAYERCHAT, $this, 'handleChatCallback');
}
/**
* Return the help manager instance
*
* @return HelpManager
*/
public function getHelpManager() {
return $this->helpManager;
}
/**
* Register a Command Listener
*
* @param string $commandName
* @param CommandListener $listener
* @param string $method
* @param bool $adminCommand
* @param string $description
* @return bool
*/
public function registerCommandListener($commandName, CommandListener $listener, $method, $adminCommand = false, $description = "No Description.") {
if (is_array($commandName)) {
$success = false;
foreach ($commandName as $command) {
if ($this->registerCommandListener($command, $listener, $method, $adminCommand, $description)) {
$success = true;
}
}
return $success;
}
if (!Listening::checkValidCallback($listener, $method)) {
$listenerClass = get_class($listener);
trigger_error("Given Listener '{$listenerClass}' can't handle Command '{$commandName}': No callable Method '{$method}'!");
return false;
}
$command = strtolower($commandName);
$listening = new Listening($listener, $method);
if ($adminCommand) {
$this->addListening($this->adminCommandListenings, $listening, $command);
} else {
$this->addListening($this->commandListenings, $listening, $command);
}
// TODO: description(?)
if ($description) {
$this->helpManager->registerCommand($command, $adminCommand, $description, get_class($listener) . '\\' . $method);
}
return true;
}
/**
* Add a Listening to the given Listenings Array
*
* @param array $listeningsArray
* @param Listening $listening
* @param string $command
*/
private function addListening(array &$listeningsArray, Listening $listening, $command) {
if (!array_key_exists($command, $listeningsArray) || !is_array($listeningsArray[$command])) {
// Init listenings array
$listeningsArray[$command] = array();
}
// Register command listening
array_push($listeningsArray[$command], $listening);
}
/**
* Unregister a Command Listener
*
* @param CommandListener $listener
* @return bool
*/
public function unregisterCommandListener(CommandListener $listener) {
$removed = false;
if ($this->removeCommandListener($this->commandListenings, $listener)) {
$removed = true;
}
if ($this->removeCommandListener($this->adminCommandListenings, $listener)) {
$removed = true;
}
return $removed;
}
/**
* Remove the Command Listener from the given Listenings Array
*
* @param array $listeningsArray
* @param CommandListener $listener
* @return bool
*/
private function removeCommandListener(array &$listeningsArray, CommandListener $listener) {
$removed = false;
foreach ($listeningsArray as &$listenings) {
foreach ($listenings as $key => &$listening) {
if ($listening->listener === $listener) {
unset($listenings[$key]);
$removed = true;
}
}
}
return $removed;
}
/**
* Handle Chat Callback
*
* @param array $callback
*/
public function handleChatCallback(array $callback) {
// Check for command
if (!$this->isCommandMessage($callback)) {
return;
}
// Check for valid player
$login = $callback[1][1];
$player = $this->maniaControl->getPlayerManager()->getPlayer($login);
if (!$player) {
return;
}
// Parse command
$message = $callback[1][2];
$commandArray = explode(' ', $message);
$command = ltrim(strtolower($commandArray[0]), '/');
if (!$command) {
return;
}
if (substr($message, 0, 2) === '//' || $command === 'admin') {
// Admin command
$commandListenings = $this->adminCommandListenings;
if ($command === 'admin') {
// Strip 'admin' keyword
if (isset($commandArray[1])) {
$command = $commandArray[1];
unset($commandArray[1]);
}
}
unset($commandArray[0]);
// Compose uniformed message
$message = '//' . $command . ' ' . implode(' ', $commandArray);
$callback[1][2] = $message;
} else {
// User command
$commandListenings = $this->commandListenings;
}
if (!array_key_exists($command, $commandListenings) || !is_array($commandListenings[$command])) {
// No command listener registered
return;
}
// Inform command listeners
foreach ($commandListenings[$command] as $listening) {
/** @var Listening $listening */
$listening->triggerCallback($callback, $player);
}
}
/**
* Check if the given Chat Callback is a Command Message
*
* @param array $chatCallback
* @return bool
*/
private function isCommandMessage(array $chatCallback) {
return (bool) $chatCallback[1][3];
}
}