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<h1><img src="https://github.com/Ad5001/PlayerSelectors/raw/master/icon.png">&nbsp;&nbsp;PlayerSelectors</h1>
Implementation of minecraft selectors into PocketMine!
<h1><img src="https://png.icons8.com/?id=365&size=1x">&nbsp;&nbsp;How to install?</h1>
1. Download the .phar file from the link given at the top of the repo
2. Put that phar into your "plugins" folder
3. Restart your server and Selectors should be reay to go!
<h1><img src="https://png.icons8.com/?id=3330&size=1x">&nbsp;&nbsp;Implemented features</h1>
PlayerSelectors implements all the default minecraft selectors:<br>
- @a - All players<br>
- @p - Nearset player<br>
- @e - Entities<br>
- @r - Random player<br>
- @s - Self/Sender<br>
but also features a custom made one:<br>
Since PocketMine implements a multi world system, you can easily select players from your current world using the "@w" selector!
<br><br>
Minecraft also supports specific search parameters such as the distance from the sender, the count of matched player/entities, ...<br>
All the standard minecraft search params can be used with the syntax
```
@<selector name>[key=param,other=value]
```
EXEPT the team & score params since the /scoreboard command isn't implemeted into pocketmine yet<br> Thought, one new params comes with this plugin: the "lvl" param which is for searching in a specific level.
Have fun!

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---
name: PlayerSelectors
author: Ad5001
version: 1.0
api: [3.0.0-ALPHA9]
main: Ad5001\PlayerSelectors\Main
commands: []
permissions: []
...

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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors;
use pocketmine\plugin\PluginBase;
use pocketmine\event\Listener;
use pocketmine\Player;
use pocketmine\Server;
use pocketmine\command\CommandSender;
use pocketmine\event\player\PlayerCommandPreprocessEvent;
use pocketmine\event\server\ServerCommandEvent;
use Ad5001\PlayerSelectors\selector\Selector;
use Ad5001\PlayerSelectors\selector\ClosestPlayer;
use Ad5001\PlayerSelectors\selector\AllPlayers;
use Ad5001\PlayerSelectors\selector\RandomPlayer;
use Ad5001\PlayerSelectors\selector\WorldPlayers;
use Ad5001\PlayerSelectors\selector\Entities;
use Ad5001\PlayerSelectors\selector\SelfSelector;
class Main extends PluginBase implements Listener {
protected static $selectors = [];
/**
* When the plugin enables
*
* @return void
*/
public function onEnable(): void{
$this->getServer()->getPluginManager()->registerEvents($this, $this);
// Registering the default selectors
self::registerSelector(new ClosestPlayer());
self::registerSelector(new AllPlayers());
self::registerSelector(new RandomPlayer());
self::registerSelector(new WorldPlayers());
self::registerSelector(new Entities());
self::registerSelector(new SelfSelector());
}
/**
* When a command is executed, check for selectors
*
* @param PlayerCommandPreProcessEvent $event
* @return void
*/
public function onCommandPreProcess(PlayerCommandPreProcessEvent $event): void{
$m = $event->getMessage();
$this->execSelectors($m, $event->getPlayer());
$event->setCancelled();
}
/**
* When a command is executed, check for selectors
*
* @param PlayerCommandPreProcessEvent $event
* @return void
*/
public function onServerCommand(ServerCommandEvent $event): void{
$m = $event->getCommand();
$this->execSelectors($m, $event->getSender());
$event->setCancelled();
}
/**
* Parses selectors and executes the commands
*
* @param string $m The command
* @param CommandSender $sender
* @return void
*/
public function execSelectors(string $m, CommandSender $sender): void{
preg_match_all($this->buildRegExr(), $m, $matches);
$commandsToExecute = [$m];
foreach($matches[0] as $index => $match){
if(isset(self::$selectors[$matches[1][$index]])){ // Does the selector exist?
// Search for the parameters
echo $matches[1][$index];
$params = self::$selectors[$matches[1][$index]]->acceptsModifiers() ? $this->checkArgParams($matches, $index): [];
// Applying the selector
$newCommandsToExecute = [];
foreach($commandsToExecute as $index => $cmd){
// Foreaching the returning commands to push them to the new commands to be executed at the next run.
foreach(self::$selectors[$matches[1][$index]]->applySelector($sender, $params) as $selectorStr){
$newCommandsToExecute[] = substr_replace($cmd, " " . $selectorStr . " ", strpos($cmd, $match), strlen($match));
}
if(count($newCommandsToExecute) == 0) {
$sender->sendMessage("§cYour selector $match (" . self::$selectors[$matches[1][$index]]->getName() . ") did not mactch any player/entity.");
return;
}
}
$commandsToExecute = $newCommandsToExecute;
}
}
// Then we have all the commands here and we can execute them
foreach($commandsToExecute as $cmd){
$this->getServer()->dispatchCommand($sender, $cmd);
}
}
/**
* Return all the params in an array form in a match.
*
* @param array $match
* @return void
*/
public function checkArgParams(array $match, int $index): array{
$params = [];
if(strlen($match[2][$index]) !== 0){ // Is there any command parameter?
if(strpos($match[3][$index], ",") !== -1){ // Is there multiple arguments
foreach(explode(",", $match[3][$index]) as $param){
// Param here is in form argName=argproperty.
// Parsing it to put it into the $params
$parts = explode("=", $param);
$params[$parts[0]] = $parts[1];
}
} else { // There is one argument
$parts = explode("=", $match[3][$index]);
$params[$parts[0]] = $parts[1];
}
}
return $params;
}
/**
* Build the regexr for parsing selectors in commands
* $1 is the selector character(s)
* $2 is "Is there any arguments to the command?"
* $3 is the list of arguments
*
* @return string
*/
public function buildRegExr(): string {
$regexr = "/ @("; // Space is to check that it's an argument on it's own and not a part of one
// Adding the selectors
$regexr .= preg_replace("/(\\$|\\(|\\)|\\^|\\[|\\])/", "\\\\$1", // Always parse input we don't trust!
implode("|", array_keys(self::$selectors))
);
// Adding the arguments
$regexr .= ")(\\[(((\w+)?=(.)+(,)?){1,})\\])?";
// Closing the regexr
$regexr .= "( |$)/"; // Space is to check that it's an argument on it's own and not a part of one (cf twitter accounts would we used with @+some letters)
return $regexr;
}
/**
* Registers a selector
*
* @param Selector $sel
* @return void
*/
public static function registerSelector(Selector $sel): void{
self::$selectors[$sel->getSelectorChar()] = $sel;
}
/**
* Unregisters a selector
*
* @param string $selChar The selector character
* @return void
*/
public static function unregisterSelector(string $selChar): void{
unset(self::$selectors[$selChar]);
}
/**
* Returns a selector
*
* @param string $selChar The selector character
* @return Selector
*/
public static function getSelector(string $selChar): Selector{
return self::$selectors[$selChar];
}
}

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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors\selector;
use pocketmine\command\CommandSender;
use pocketmine\Server;
use pocketmine\Player;
use pocketmine\level\Position;
class AllPlayers extends Selector{
public function __construct(){
parent::__construct("All players", "a", true);
}
/**
* Executes the selector.
* Documentation is in the Selector.php file.
*
* @param CommandSender $sender
* @param array $parameters
* @return array
*/
public function applySelector(CommandSender $sender, array $parameters = []): array{
$defaultParams = Selector::DEFAULT_PARAMS;
if($sender instanceof Position){
$defaultParams["x"] = $sender->x;
$defaultParams["y"] = $sender->y;
$defaultParams["z"] = $sender->z;
}
$params = $parameters + $defaultParams;
$return = [];
foreach(Server::getInstance()->getOnlinePlayers() as $p){
if($params["c"] !== 0 && count($return) == $params["c"]) break; // Too much players
if($p->getLevel()->getName() !== $params["lvl"] && $params["lvl"] !== "") break; // Not in the right level
if(!$this->checkDefaultParams($p, $params)) {
echo "Not checked param";
break;
}
$return[] = $p->getName();
}
return $return;
}
}

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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors\selector;
use pocketmine\command\CommandSender;
use pocketmine\Server;
use pocketmine\Player;
class ClosestPlayer extends Selector{
public function __construct(){
parent::__construct("Closest player", "p", false);
}
/**
* Executes the selector.
* Documentation is in the Selector.php file.
*
* @param CommandSender $sender
* @param array $parameters
* @return array
*/
public function applySelector(CommandSender $sender, array $parameters = []): array{
$online = Server::getInstance()->getOnlinePlayers();
// Console
if(!($sender instanceof Player)) {
if(count($online) > 0){
return [$online[0]];
} else {
return [$sender->getName()];
}
}
// Player
if(count($online) > 1){
// Checking the closest player
foreach($online as $p){
if($p->getLevel()->getName() == $sender->getLevel()->getName() &&
(!isset($selectedP) || $p->distanceSquared($sender) < $selectorP->distanceSquared($sender))){
$selectedP = $p;
}
}
return [$selectorP->getName()];
} else {
// Otherwise, just return sender's name because there's no other player.
return [$sender->getName()];
}
}
}

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src/Ad5001/PlayerSelectors/selector/Entities.php Normal file
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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors\selector;
use pocketmine\command\CommandSender;
use pocketmine\Server;
use pocketmine\Player;
use pocketmine\level\Position;
use Ad5001\PlayerSelectors\Main;
class Entities extends Selector{
public function __construct(){
parent::__construct("Entities", "e", true);
}
/**
* Executes the selector.
* Documentation is in the Selector.php file.
*
* @param CommandSender $sender
* @param array $parameters
* @return array
*/
public function applySelector(CommandSender $sender, array $parameters = []): array{
$defaultParams = Selector::DEFAULT_PARAMS;
if($sender instanceof Position){
$defaultParams["x"] = $sender->x;
$defaultParams["y"] = $sender->y;
$defaultParams["z"] = $sender->z;
}
$params = $parameters + $defaultParams;
$return = [];
foreach(Server::getInstance()->getLevels() as $lvl){
foreach($lvl->getEntities() as $e){
if($params["c"] !== 0 && count($return) == $params["c"]) break; // Too much players
if($e->getLevel()->getName() !== $params["lvl"] && $params["lvl"] !== "") break; // Not in the right level
if(!$this->checkDefaultParams($e, $params)) break;
$return[] = "e" . $e->getId();
}
}
return array_merge($return, Main::getSelector("a")->applySelector($sender, $parameters)); // Merging w/ all players so that it also adds players.
}
}

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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors\selector;
use pocketmine\command\CommandSender;
use pocketmine\Server;
use pocketmine\Player;
use pocketmine\level\Position;
class RandomPlayer extends Selector{
public function __construct(){
parent::__construct("Random player", "r", true);
}
/**
* Executes the selector.
* Documentation is in the Selector.php file.
*
* @param CommandSender $sender
* @param array $parameters
* @return array
*/
public function applySelector(CommandSender $sender, array $parameters = []): array{
$defaultParams = Selector::DEFAULT_PARAMS;
if($sender instanceof Position){
$defaultParams["x"] = $sender->x;
$defaultParams["y"] = $sender->y;
$defaultParams["z"] = $sender->z;
}
$params = $parameters + $defaultParams;
$possible = [];
foreach(Server::getInstance()->getOnlinePlayers() as $p){
if($p->getLevel()->getName() !== $params["lvl"] && $params["lvl"] !== "") break; // Not in the right level
if(!$this->checkDefaultParams($p, $params)) break;
$possible[] = $p;
}
if(count($possible) == 0) return [];
return [$possible[array_rand($possible)]->getName()];
}
}

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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors\selector;
use pocketmine\command\CommandSender;
use pocketmine\entity\Entity;
use pocketmine\Player;
use pocketmine\math\Vector3;
abstract class Selector {
/**
* Default minecraft selectors params.
* Can be used in selectors that supports them.
*/
const DEFAULT_PARAMS = [
// Coordinates of the center, will be modified if player in command
"x" => 0,
"y" => 0,
"z" => 0,
"lvl" => "", // The world to search in. Defaults to the current world in case of console, current world in the case of a player
// Search by coordinates
"dx" => 0, // Distance from the center in x (0 = no limit)
"dy" => 0, // Distance from the center in y (0 = no limit)
"dz" => 0, // Distance from the center in z (0 = no limit)
"r" => 0, // Radius max (0 = no limit)
"rm" => 0, // Radius min
// Search by pitch and yaw
"rx" => 180, // Pitch max
"rxm" => 0, // Pitch min
"ry" => 360, // Yaw max
"rym" => 0, // Yaw min
// Count searching
"c" => 0,
// Player parameters searching
"m" => -1, // Gamemode
"l" => PHP_INT_MAX, // Maximum xp level
"lm" => 0, // Min xp level
"name" => "", // Displayed name of the entity (display name for the player, name tag rename for entity)
"type" => "all", // Type of the entity (only for entity selector). "all" means all entities
"tag" => "Health", // Check if the tag exists in the entity/player.
];
protected $name;
protected $selectorChar;
protected $acceptModifiers;
/**
* Defines base for a selector
*
* @param string $name The name of the selector. E.g: "All players", "Entities", ...
* @param string $selectorChar What should be after the "@" to use this selector
* @param bool $acceptModifiers Should the selector accept modifiers? If false, arguments used in commands will be ignored. Can save alot of performances.
*/
public function __construct(string $name, string $selectorChar, bool $acceptModifiers){
$this->name = $name;
$this->selectorChar = $selectorChar;
$this->acceptModifiers = $acceptModifiers;
}
/**
* Returns the name of the selector. E.g: "All players", "Entities", ...
*
* @return string
*/
public function getName(): string{
return $this->name;
}
/**
* Returns the character of the selector. What should be after the "@" to use this selector
*
* @return string
*/
public function getSelectorChar(): string{
return $this->selectorChar;
}
/**
* Should the selector accept modifiers? If false, arguments used in commands will be ignored. Can save alot of performances.
*
* @return bool
*/
public function acceptsModifiers(): bool{
return $this->acceptModifiers;
}
/**
* Gets all the possible values for a selector depending on the sender and the parameters.
* Return should be an array of all the possible strings that match up to this selector.
*
* @param CommandSender $sender
* @param String[] $parameters
* @return String[]
*/
abstract public function applySelector(CommandSender $sender, array $parameters = []): array;
/**
* Check if an entity $et matches default params provided in $params.
*
* @param Entity $et
* @param array $params
* @return bool
*/
public function checkDefaultParams(Entity $et, array $params): bool{
$dist = sqrt($et->distanceSquared(new Vector3($params["x"], $params["y"], $params["z"])));
if(($params["r"] !== 0 && $dist > $params["r"]) || $dist < $params["rm"]) return false; // Not in range
if($params["dx"] !== 0 && abs($et->x - $params["x"]) > $params["dx"]); // Not in x range
if($params["dy"] !== 0 && abs($et->y - $params["y"]) > $params["dy"]); // Not in y range
if($params["dz"] !== 0 && abs($et->z - $params["z"]) > $params["dz"]); // Not in z range
if($params["m"] !== -1 && $et instanceof Player && $et->getGamemode() !== $params["m"]) return false; // Not in the right mode.
if($params["rx"] < $et->getPitch() || $et->getPitch() < $params["rxm"]) return false; // Not in range pitch
if($params["ry"] < $et->getYaw() || $et->getYaw() < $params["rym"]) return false; // Not in range yaw
if($et instanceof Player && ($et->getXpLevel() > $params["l"] || $et->getXpLevel() < $params["lm"])) return false; // Not in range XP
if($params["name"] !== "" && (($et instanceof Player && $et->getDisplayName() !== $params["name"]) ||
(!($et instanceof Player) && $et->getNameTag() !== $params["name"]))) return false; // Not selected name
// Entity type
$etClassName = explode("\\", get_class($et))[count(explode("\\", get_class($et))) - 1];
if(substr($params["type"], 0, 1) == "!" && $etClassName == substr($params["type"], 1)) return false; // Should not be this kind of entity
if($params["type"] !== "all" && $etClassName !== $params["type"]) return false; // Not the required kind of entity
return true; // All checks passed!
}
}

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src/Ad5001/PlayerSelectors/selector/SelfSelector.php Normal file
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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors\selector;
use pocketmine\command\CommandSender;
use pocketmine\Server;
use pocketmine\Player;
class SelfSelector extends Selector{
public function __construct(){
parent::__construct("Self", "s", false);
}
/**
* Executes the selector.
* Documentation is in the Selector.php file.
*
* @param CommandSender $sender
* @param array $parameters
* @return array
*/
public function applySelector(CommandSender $sender, array $parameters = []): array{
return [$sender->getName()];
}
}

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src/Ad5001/PlayerSelectors/selector/WorldPlayers.php Normal file
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<?php
declare(strict_types=1);
namespace Ad5001\PlayerSelectors\selector;
use pocketmine\command\CommandSender;
use pocketmine\Server;
use pocketmine\Player;
use pocketmine\level\Position;
class WorldPlayers extends Selector{
public function __construct(){
parent::__construct("World players", "w", true);
}
/**
* Executes the selector.
* Documentation is in the Selector.php file.
*
* @param CommandSender $sender
* @param array $parameters
* @return array
*/
public function applySelector(CommandSender $sender, array $parameters = []): array{
$defaultParams = Selector::DEFAULT_PARAMS;
if($sender instanceof Position){
$defaultParams["x"] = $sender->x;
$defaultParams["y"] = $sender->y;
$defaultParams["z"] = $sender->z;
$defaultParams["lvl"] = $sender->getLevel()->getName();
} else {
$defaultParams["lvl"] = Server::getInstance()->getDefaultLevel()->getName();
}
$params = $parameters + $defaultParams;
$return = [];
foreach(Server::getInstance()->getOnlinePlayers() as $p){
if($params["c"] !== 0 && count($return) == $params["c"]) break; // Too much players
if($p->getLevel()->getName() !== $params["lvl"] && $params["lvl"] !== "") break; // Not in the right level
if(!$this->checkDefaultParams($p, $params)) break;
$return[] = $p->getName();
}
return $return;
}
}