TrackManiaControl/application/core/Commands/CommandManager.php

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<?php
namespace ManiaControl\Commands;
use ManiaControl\Callbacks\CallbackListener;
use ManiaControl\Callbacks\CallbackManager;
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use ManiaControl\ManiaControl;
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/**
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* Class for handling Chat Commands
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*
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* @author ManiaControl Team <mail@maniacontrol.com>
* @copyright 2014 ManiaControl Team
* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
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*/
class CommandManager implements CallbackListener {
/*
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* Private Properties
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*/
private $maniaControl = null;
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private $helpManager = array();
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private $adminCommandListeners = array();
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private $commandListeners = array();
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/**
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* Construct a new Commands Manager
*
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* @param \ManiaControl\ManiaControl $maniaControl
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*/
public function __construct(ManiaControl $maniaControl) {
$this->maniaControl = $maniaControl;
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//Create help manager instance
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$this->helpManager = new HelpManager($this->maniaControl);
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// Register for callback
$this->maniaControl->callbackManager->registerCallbackListener(CallbackManager::CB_MP_PLAYERCHAT, $this, 'handleChatCallback');
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}
/**
* Register a command listener
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*
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* @param string $commandName
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* @param CommandListener $listener
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* @param string $method
* @param bool $adminCommand
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* @param string $description
* @return bool
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*/
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public function registerCommandListener($commandName, CommandListener $listener, $method, $adminCommand = false, $description = '') {
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if (is_array($commandName)) {
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$success = true;
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foreach ($commandName as $command) {
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if (!$this->registerCommandListener($command, $listener, $method, $adminCommand, $description)) {
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$success = false;
}
}
return $success;
}
$command = strtolower($commandName);
$listenerCallback = array($listener, $method);
$listenerClass = get_class($listener);
if (!is_callable($listenerCallback)) {
trigger_error("Given Listener '{$listenerClass}' can't handle Command '{$command}'! No callable Method '{$method}'!");
return false;
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}
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if ($adminCommand) {
$this->addListenerCallback($this->adminCommandListeners, $listenerCallback, $command);
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} else {
$this->addListenerCallback($this->commandListeners, $listenerCallback, $command);
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}
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//TODO description
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$this->helpManager->registerCommand($command, $adminCommand, $description, get_class($listener) . '\\' . $method);
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return true;
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}
/**
* Add a Listener Callback to the given Listener Array
*
* @param array $listenerArray
* @param array $listenerCallback
* @param string $command
*/
private function addListenerCallback(array &$listenerArray, array $listenerCallback, $command) {
if (!array_key_exists($command, $listenerArray) || !is_array($listenerArray[$command])) {
// Init listeners array
$listenerArray[$command] = array();
}
// Register command listener
array_push($listenerArray[$command], $listenerCallback);
}
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/**
* Remove a Command Listener
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*
* @param CommandListener $listener
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* @return bool
*/
public function unregisterCommandListener(CommandListener $listener) {
$removed = false;
if ($this->removeCommandListener($this->commandListeners, $listener)) {
$removed = true;
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}
if ($this->removeCommandListener($this->adminCommandListeners, $listener)) {
$removed = true;
}
return $removed;
}
/**
* Remove the Command Listener from the given Listeners Array
*
* @param array $listenerArray
* @param CommandListener $listener
* @return bool
*/
private function removeCommandListener(array &$listenerArray, CommandListener $listener) {
$removed = false;
foreach ($listenerArray as &$listeners) {
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foreach ($listeners as $key => &$listenerCallback) {
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if ($listenerCallback[0] == $listener) {
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unset($listeners[$key]);
$removed = true;
}
}
}
return $removed;
}
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/**
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* Handle Chat Callback
*
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* @param array $callback
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*/
public function handleChatCallback(array $callback) {
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// Check for command
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if (!$callback[1][3]) {
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return;
}
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// Check for valid player
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$login = $callback[1][1];
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$player = $this->maniaControl->playerManager->getPlayer($login);
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if (!$player) {
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return;
}
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// Parse command
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$message = $callback[1][2];
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$commandArray = explode(' ', $message);
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$command = ltrim(strtolower($commandArray[0]), '/');
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if (!$command) {
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return;
}
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if (substr($message, 0, 2) == '//' || $command == 'admin') {
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// Admin command
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$commandListeners = $this->adminCommandListeners;
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if ($command == 'admin') {
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// Strip 'admin' keyword
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if (isset($commandArray[1])) {
$command = $commandArray[1];
unset($commandArray[1]);
}
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}
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unset($commandArray[0]);
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// Compose uniformed message
$message = '//' . $command;
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foreach ($commandArray as $commandPart) {
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$message .= ' ' . $commandPart;
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}
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$callback[1][2] = $message;
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} else {
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// User command
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$commandListeners = $this->commandListeners;
}
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if (!array_key_exists($command, $commandListeners) || !is_array($commandListeners[$command])) {
// No command listener registered
return;
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}
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// Inform command listeners
foreach ($commandListeners[$command] as $listenerCallback) {
call_user_func($listenerCallback, $callback, $player);
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}
}
}