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Fix loading of sign text from vanilla world (#6122)

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ace 2023-11-09 22:22:37 +08:00 committed by GitHub
parent 5f3a2a5096
commit c1ed182112
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1 changed files with 34 additions and 22 deletions
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56
src/block/tile/Sign.php
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@ -77,22 +77,30 @@ class Sign extends Spawnable{
parent::__construct($world, $pos);
}
private function readTextTag(CompoundTag $nbt, bool $lightingBugResolved) : void{
$baseColor = new Color(0, 0, 0);
$glowingText = false;
if(($baseColorTag = $nbt->getTag(self::TAG_TEXT_COLOR)) instanceof IntTag){
$baseColor = Color::fromARGB(Binary::unsignInt($baseColorTag->getValue()));
}
if($lightingBugResolved && ($glowingTextTag = $nbt->getTag(self::TAG_GLOWING_TEXT)) instanceof ByteTag){
//both of these must be 1 - if only one is set, it's a leftover from 1.16.210 experimental features
//see https://bugs.mojang.com/browse/MCPE-117835
$glowingText = $glowingTextTag->getValue() !== 0;
}
$this->text = SignText::fromBlob(mb_scrub($nbt->getString(self::TAG_TEXT_BLOB), 'UTF-8'), $baseColor, $glowingText);
}
public function readSaveData(CompoundTag $nbt) : void{
if(($textBlobTag = $nbt->getTag(self::TAG_TEXT_BLOB)) instanceof StringTag){ //MCPE 1.2 save format
$baseColor = new Color(0, 0, 0);
$glowingText = false;
if(($baseColorTag = $nbt->getTag(self::TAG_TEXT_COLOR)) instanceof IntTag){
$baseColor = Color::fromARGB(Binary::unsignInt($baseColorTag->getValue()));
$frontTextTag = $nbt->getTag(self::TAG_FRONT_TEXT);
if($frontTextTag instanceof CompoundTag){
$this->readTextTag($frontTextTag, true);
}elseif($nbt->getTag(self::TAG_TEXT_BLOB) instanceof StringTag){ //MCPE 1.2 save format
$lightingBugResolved = false;
if(($lightingBugResolvedTag = $nbt->getTag(self::TAG_LEGACY_BUG_RESOLVE)) instanceof ByteTag){
$lightingBugResolved = $lightingBugResolvedTag->getValue() !== 0;
}
if(
($glowingTextTag = $nbt->getTag(self::TAG_GLOWING_TEXT)) instanceof ByteTag &&
($lightingBugResolvedTag = $nbt->getTag(self::TAG_LEGACY_BUG_RESOLVE)) instanceof ByteTag
){
//both of these must be 1 - if only one is set, it's a leftover from 1.16.210 experimental features
//see https://bugs.mojang.com/browse/MCPE-117835
$glowingText = $glowingTextTag->getValue() !== 0 && $lightingBugResolvedTag->getValue() !== 0;
}
$this->text = SignText::fromBlob(mb_scrub($textBlobTag->getValue(), 'UTF-8'), $baseColor, $glowingText);
$this->readTextTag($nbt, $lightingBugResolved);
}else{
$text = [];
for($i = 0; $i < SignText::LINE_COUNT; ++$i){
@ -107,15 +115,19 @@ class Sign extends Spawnable{
}
protected function writeSaveData(CompoundTag $nbt) : void{
$nbt->setString(self::TAG_TEXT_BLOB, implode("\n", $this->text->getLines()));
$nbt->setTag(self::TAG_FRONT_TEXT, CompoundTag::create()
->setString(self::TAG_TEXT_BLOB, implode("\n", $this->text->getLines()))
->setInt(self::TAG_TEXT_COLOR, Binary::signInt($this->text->getBaseColor()->toARGB()))
->setByte(self::TAG_GLOWING_TEXT, $this->text->isGlowing() ? 1 : 0)
->setByte(self::TAG_PERSIST_FORMATTING, 1)
);
$nbt->setTag(self::TAG_BACK_TEXT, CompoundTag::create()
->setString(self::TAG_TEXT_BLOB, "")
->setInt(self::TAG_TEXT_COLOR, Binary::signInt(0xff_00_00_00))
->setByte(self::TAG_GLOWING_TEXT, 0)
->setByte(self::TAG_PERSIST_FORMATTING, 1)
);
for($i = 0; $i < SignText::LINE_COUNT; ++$i){ //Backwards-compatibility
$textKey = sprintf(self::TAG_TEXT_LINE, $i + 1);
$nbt->setString($textKey, $this->text->getLine($i));
}
$nbt->setInt(self::TAG_TEXT_COLOR, Binary::signInt($this->text->getBaseColor()->toARGB()));
$nbt->setByte(self::TAG_GLOWING_TEXT, $this->text->isGlowing() ? 1 : 0);
$nbt->setByte(self::TAG_LEGACY_BUG_RESOLVE, 1);
$nbt->setByte(self::TAG_WAXED, $this->waxed ? 1 : 0);
}