tile/MobHead.php

<?php
 
/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program 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.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */
 
declare(strict_types=1);
 
namespace pocketmine\block\tile;
 
use pocketmine\block\utils\MobHeadType;
use pocketmine\data\bedrock\MobHeadTypeIdMap;
use pocketmine\data\SavedDataLoadingException;
use pocketmine\nbt\tag\ByteTag;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\nbt\tag\FloatTag;
use function floor;
 
class MobHead extends Spawnable{
 
    private const TAG_SKULL_TYPE = "SkullType"; //TAG_Byte
    private const TAG_ROTATION = "Rotation"; //TAG_Float (1.10+, represents yaw in degrees)
    private const TAG_ROT = "Rot"; //TAG_Byte (legacy, pre-1.10, 0-15)
    private const TAG_MOUTH_MOVING = "MouthMoving"; //TAG_Byte
    private const TAG_MOUTH_TICK_COUNT = "MouthTickCount"; //TAG_Int
 
    private MobHeadType $mobHeadType = MobHeadType::SKELETON;
    private int $rotation = 0;
 
    public function readSaveData(CompoundTag $nbt) : void{
        if(($skullTypeTag = $nbt->getTag(self::TAG_SKULL_TYPE)) instanceof ByteTag){
            $mobHeadType = MobHeadTypeIdMap::getInstance()->fromId($skullTypeTag->getValue());
            if($mobHeadType === null){
                throw new SavedDataLoadingException("Invalid skull type tag value " . $skullTypeTag->getValue());
            }
            $this->mobHeadType = $mobHeadType;
        }
 
        if($nbt->getTag(self::TAG_ROTATION) instanceof FloatTag){
            $yaw = $nbt->getFloat(self::TAG_ROTATION, 0.0);
            $this->rotation = ((int) floor(($yaw * 16 / 360) + 0.5)) & 0xf;
        }else{
            $rotation = $nbt->getByte(self::TAG_ROT, 0);
            if($rotation >= 0 && $rotation <= 15){
                $this->rotation = $rotation;
            }
        }
    }
 
    protected function writeSaveData(CompoundTag $nbt) : void{
        $nbt->setByte(self::TAG_SKULL_TYPE, MobHeadTypeIdMap::getInstance()->toId($this->mobHeadType));
        $nbt->setFloat(self::TAG_ROTATION, $this->rotation * 360.0 / 16.0);
    }
 
    public function setMobHeadType(MobHeadType $type) : void{
        $this->mobHeadType = $type;
    }
 
    public function getMobHeadType() : MobHeadType{
        return $this->mobHeadType;
    }
 
    public function getRotation() : int{
        return $this->rotation;
    }
 
    public function setRotation(int $rotation) : void{
        $this->rotation = $rotation;
    }
 
    protected function addAdditionalSpawnData(CompoundTag $nbt) : void{
        $nbt->setByte(self::TAG_SKULL_TYPE, MobHeadTypeIdMap::getInstance()->toId($this->mobHeadType));
        $nbt->setFloat(self::TAG_ROTATION, $this->rotation * 360.0 / 16.0);
    }
}