MovePlayerPacket.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 pmmp\encoding\Byte;
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\LE;
use pmmp\encoding\VarInt;
use pocketmine\math\Vector3;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
 
class MovePlayerPacket extends DataPacket implements ClientboundPacket, ServerboundPacket{
    public const NETWORK_ID = ProtocolInfo::MOVE_PLAYER_PACKET;
 
    public const MODE_NORMAL = 0;
    public const MODE_RESET = 1;
    public const MODE_TELEPORT = 2;
    public const MODE_PITCH = 3; //facepalm Mojang
 
    public int $actorRuntimeId;
    public Vector3 $position;
    public float $pitch;
    public float $yaw;
    public float $headYaw;
    public int $mode = self::MODE_NORMAL;
    public bool $onGround = false; //TODO
    public int $ridingActorRuntimeId = 0;
    public int $teleportCause = 0;
    public int $teleportItem = 0;
    public int $tick = 0;
 
    public static function create(
        int $actorRuntimeId,
        Vector3 $position,
        float $pitch,
        float $yaw,
        float $headYaw,
        int $mode,
        bool $onGround,
        int $ridingActorRuntimeId,
        int $teleportCause,
        int $teleportItem,
        int $tick,
    ) : self{
        $result = new self;
        $result->actorRuntimeId = $actorRuntimeId;
        $result->position = $position;
        $result->pitch = $pitch;
        $result->yaw = $yaw;
        $result->headYaw = $headYaw;
        $result->mode = $mode;
        $result->onGround = $onGround;
        $result->ridingActorRuntimeId = $ridingActorRuntimeId;
        $result->teleportCause = $teleportCause;
        $result->teleportItem = $teleportItem;
        $result->tick = $tick;
        return $result;
    }
 
    public static function simple(
        int $actorRuntimeId,
        Vector3 $position,
        float $pitch,
        float $yaw,
        float $headYaw,
        int $mode,
        bool $onGround,
        int $ridingActorRuntimeId,
        int $tick,
    ) : self{
        return self::create($actorRuntimeId, $position, $pitch, $yaw, $headYaw, $mode, $onGround, $ridingActorRuntimeId, 0, 0, $tick);
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->actorRuntimeId = CommonTypes::getActorRuntimeId($in);
        $this->position = CommonTypes::getVector3($in);
        $this->pitch = LE::readFloat($in);
        $this->yaw = LE::readFloat($in);
        $this->headYaw = LE::readFloat($in);
        $this->mode = Byte::readUnsigned($in);
        $this->onGround = CommonTypes::getBool($in);
        $this->ridingActorRuntimeId = CommonTypes::getActorRuntimeId($in);
        if($this->mode === MovePlayerPacket::MODE_TELEPORT){
            $this->teleportCause = LE::readSignedInt($in);
            $this->teleportItem = LE::readSignedInt($in);
        }
        $this->tick = VarInt::readUnsignedLong($in);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        CommonTypes::putActorRuntimeId($out, $this->actorRuntimeId);
        CommonTypes::putVector3($out, $this->position);
        LE::writeFloat($out, $this->pitch);
        LE::writeFloat($out, $this->yaw);
        LE::writeFloat($out, $this->headYaw); //TODO
        Byte::writeUnsigned($out, $this->mode);
        CommonTypes::putBool($out, $this->onGround);
        CommonTypes::putActorRuntimeId($out, $this->ridingActorRuntimeId);
        if($this->mode === MovePlayerPacket::MODE_TELEPORT){
            LE::writeSignedInt($out, $this->teleportCause);
            LE::writeSignedInt($out, $this->teleportItem);
        }
        VarInt::writeUnsignedLong($out, $this->tick);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleMovePlayer($this);
    }
}