item/Banner.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\item;
 
use pocketmine\block\tile\Banner as TileBanner;
use pocketmine\block\utils\BannerPatternLayer;
use pocketmine\block\utils\DyeColor;
use pocketmine\data\bedrock\BannerPatternTypeIdMap;
use pocketmine\data\bedrock\DyeColorIdMap;
use pocketmine\data\runtime\RuntimeDataDescriber;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\nbt\tag\ListTag;
use function count;
 
class Banner extends ItemBlockWallOrFloor{
    public const TAG_PATTERNS = TileBanner::TAG_PATTERNS;
    public const TAG_PATTERN_COLOR = TileBanner::TAG_PATTERN_COLOR;
    public const TAG_PATTERN_NAME = TileBanner::TAG_PATTERN_NAME;
 
    private DyeColor $color = DyeColor::BLACK;
 
    private array $patterns = [];
 
    public function getColor() : DyeColor{
        return $this->color;
    }
 
    public function setColor(DyeColor $color) : self{
        $this->color = $color;
        return $this;
    }
 
    protected function describeState(RuntimeDataDescriber $w) : void{
        $w->enum($this->color);
    }
 
    public function getPatterns() : array{
        return $this->patterns;
    }
 
    public function setPatterns(array $patterns) : self{
        $this->patterns = $patterns;
        return $this;
    }
 
    public function getFuelTime() : int{
        return 300;
    }
 
    protected function deserializeCompoundTag(CompoundTag $tag) : void{
        parent::deserializeCompoundTag($tag);
 
        $this->patterns = [];
 
        $colorIdMap = DyeColorIdMap::getInstance();
        $patternIdMap = BannerPatternTypeIdMap::getInstance();
        $patterns = $tag->getListTag(self::TAG_PATTERNS, CompoundTag::class);
        if($patterns !== null){
            foreach($patterns as $t){
                $patternColor = $colorIdMap->fromInvertedId($t->getInt(self::TAG_PATTERN_COLOR)) ?? DyeColor::BLACK; //TODO: missing pattern colour should be an error
                $patternType = $patternIdMap->fromId($t->getString(self::TAG_PATTERN_NAME));
                if($patternType === null){
                    continue; //TODO: this should be an error
                }
                $this->patterns[] = new BannerPatternLayer($patternType, $patternColor);
            }
        }
    }
 
    protected function serializeCompoundTag(CompoundTag $tag) : void{
        parent::serializeCompoundTag($tag);
 
        if(count($this->patterns) > 0){
            $patterns = new ListTag();
            $colorIdMap = DyeColorIdMap::getInstance();
            $patternIdMap = BannerPatternTypeIdMap::getInstance();
            foreach($this->patterns as $pattern){
                $patterns->push(CompoundTag::create()
                    ->setString(self::TAG_PATTERN_NAME, $patternIdMap->toId($pattern->getType()))
                    ->setInt(self::TAG_PATTERN_COLOR, $colorIdMap->toInvertedId($pattern->getColor()))
                );
            }
 
            $tag->setTag(self::TAG_PATTERNS, $patterns);
        }else{
            $tag->removeTag(self::TAG_PATTERNS);
        }
    }
}