block/tile/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\block\tile;
 
use pocketmine\block\utils\BannerPatternLayer;
use pocketmine\block\utils\DyeColor;
use pocketmine\data\bedrock\BannerPatternTypeIdMap;
use pocketmine\data\bedrock\DyeColorIdMap;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\nbt\tag\IntTag;
use pocketmine\nbt\tag\ListTag;
 
class Banner extends Spawnable{
 
    public const TAG_BASE = "Base";
    public const TAG_PATTERNS = "Patterns";
    public const TAG_PATTERN_COLOR = "Color";
    public const TAG_PATTERN_NAME = "Pattern";
 
    private DyeColor $baseColor = DyeColor::BLACK;
 
    private array $patterns = [];
 
    public function readSaveData(CompoundTag $nbt) : void{
        $colorIdMap = DyeColorIdMap::getInstance();
        if(
            ($baseColorTag = $nbt->getTag(self::TAG_BASE)) instanceof IntTag &&
            ($baseColor = $colorIdMap->fromInvertedId($baseColorTag->getValue())) !== null
        ){
            $this->baseColor = $baseColor;
        }else{
            $this->baseColor = DyeColor::BLACK; //TODO: this should be an error
        }
 
        $patternTypeIdMap = BannerPatternTypeIdMap::getInstance();
 
        $patterns = $nbt->getListTag(self::TAG_PATTERNS);
        if($patterns !== null){
            foreach($patterns as $pattern){
                $patternColor = $colorIdMap->fromInvertedId($pattern->getInt(self::TAG_PATTERN_COLOR)) ?? DyeColor::BLACK; //TODO: missing pattern colour should be an error
                $patternType = $patternTypeIdMap->fromId($pattern->getString(self::TAG_PATTERN_NAME));
                if($patternType === null){
                    continue; //TODO: this should be an error, but right now we don't have the setup to deal with it
                }
                $this->patterns[] = new BannerPatternLayer($patternType, $patternColor);
            }
        }
    }
 
    protected function writeSaveData(CompoundTag $nbt) : void{
        $colorIdMap = DyeColorIdMap::getInstance();
        $patternIdMap = BannerPatternTypeIdMap::getInstance();
        $nbt->setInt(self::TAG_BASE, $colorIdMap->toInvertedId($this->baseColor));
        $patterns = new ListTag();
        foreach($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()))
            );
        }
        $nbt->setTag(self::TAG_PATTERNS, $patterns);
    }
 
    protected function addAdditionalSpawnData(CompoundTag $nbt) : void{
        $colorIdMap = DyeColorIdMap::getInstance();
        $patternIdMap = BannerPatternTypeIdMap::getInstance();
        $nbt->setInt(self::TAG_BASE, $colorIdMap->toInvertedId($this->baseColor));
        $patterns = new ListTag();
        foreach($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()))
            );
        }
        $nbt->setTag(self::TAG_PATTERNS, $patterns);
    }
 
    public function getBaseColor() : DyeColor{
        return $this->baseColor;
    }
 
    public function setBaseColor(DyeColor $color) : void{
        $this->baseColor = $color;
    }
 
    public function getPatterns() : array{
        return $this->patterns;
    }
 
    public function setPatterns(array $patterns) : void{
        $this->patterns = $patterns;
    }
 
    public function getDefaultName() : string{
        return "Banner";
    }
}