TextPacket.php

<?php
 
/*
 * This file is part of BedrockProtocol.
 * Copyright (C) 2014-2022 PocketMine Team <https://github.com/pmmp/BedrockProtocol>
 *
 * BedrockProtocol is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 */
 
declare(strict_types=1);
 
namespace pocketmine\network\mcpe\protocol;
 
use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
use function count;
 
class TextPacket extends DataPacket implements ClientboundPacket, ServerboundPacket{
    public const NETWORK_ID = ProtocolInfo::TEXT_PACKET;
 
    public const TYPE_RAW = 0;
    public const TYPE_CHAT = 1;
    public const TYPE_TRANSLATION = 2;
    public const TYPE_POPUP = 3;
    public const TYPE_JUKEBOX_POPUP = 4;
    public const TYPE_TIP = 5;
    public const TYPE_SYSTEM = 6;
    public const TYPE_WHISPER = 7;
    public const TYPE_ANNOUNCEMENT = 8;
    public const TYPE_JSON_WHISPER = 9;
    public const TYPE_JSON = 10;
    public const TYPE_JSON_ANNOUNCEMENT = 11;
 
    public int $type;
    public bool $needsTranslation = false;
    public string $sourceName;
    public string $message;
    public array $parameters = [];
    public string $xboxUserId = "";
    public string $platformChatId = "";
 
    private static function messageOnly(int $type, string $message) : self{
        $result = new self;
        $result->type = $type;
        $result->message = $message;
        return $result;
    }
 
    private static function baseTranslation(int $type, string $key, array $parameters) : self{
        $result = new self;
        $result->type = $type;
        $result->needsTranslation = true;
        $result->message = $key;
        $result->parameters = $parameters;
        return $result;
    }
 
    public static function raw(string $message) : self{
        return self::messageOnly(self::TYPE_RAW, $message);
    }
 
    public static function translation(string $key, array $parameters = []) : self{
        return self::baseTranslation(self::TYPE_TRANSLATION, $key, $parameters);
    }
 
    public static function popup(string $message) : self{
        return self::messageOnly(self::TYPE_POPUP, $message);
    }
 
    public static function translatedPopup(string $key, array $parameters = []) : self{
        return self::baseTranslation(self::TYPE_POPUP, $key, $parameters);
    }
 
    public static function jukeboxPopup(string $key, array $parameters = []) : self{
        return self::baseTranslation(self::TYPE_JUKEBOX_POPUP, $key, $parameters);
    }
 
    public static function tip(string $message) : self{
        return self::messageOnly(self::TYPE_TIP, $message);
    }
 
    protected function decodePayload(PacketSerializer $in) : void{
        $this->type = $in->getByte();
        $this->needsTranslation = $in->getBool();
        switch($this->type){
            case self::TYPE_CHAT:
            case self::TYPE_WHISPER:
            case self::TYPE_ANNOUNCEMENT:
                $this->sourceName = $in->getString();
            case self::TYPE_RAW:
            case self::TYPE_TIP:
            case self::TYPE_SYSTEM:
            case self::TYPE_JSON_WHISPER:
            case self::TYPE_JSON:
            case self::TYPE_JSON_ANNOUNCEMENT:
                $this->message = $in->getString();
                break;
 
            case self::TYPE_TRANSLATION:
            case self::TYPE_POPUP:
            case self::TYPE_JUKEBOX_POPUP:
                $this->message = $in->getString();
                $count = $in->getUnsignedVarInt();
                for($i = 0; $i < $count; ++$i){
                    $this->parameters[] = $in->getString();
                }
                break;
        }
 
        $this->xboxUserId = $in->getString();
        $this->platformChatId = $in->getString();
    }
 
    protected function encodePayload(PacketSerializer $out) : void{
        $out->putByte($this->type);
        $out->putBool($this->needsTranslation);
        switch($this->type){
            case self::TYPE_CHAT:
            case self::TYPE_WHISPER:
            case self::TYPE_ANNOUNCEMENT:
                $out->putString($this->sourceName);
            case self::TYPE_RAW:
            case self::TYPE_TIP:
            case self::TYPE_SYSTEM:
            case self::TYPE_JSON_WHISPER:
            case self::TYPE_JSON:
            case self::TYPE_JSON_ANNOUNCEMENT:
                $out->putString($this->message);
                break;
 
            case self::TYPE_TRANSLATION:
            case self::TYPE_POPUP:
            case self::TYPE_JUKEBOX_POPUP:
                $out->putString($this->message);
                $out->putUnsignedVarInt(count($this->parameters));
                foreach($this->parameters as $p){
                    $out->putString($p);
                }
                break;
        }
 
        $out->putString($this->xboxUserId);
        $out->putString($this->platformChatId);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleText($this);
    }
}