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Use Chunk::getSubChunkChecked() in places where we know that an invalid coordinate cannot be requested

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This commit is contained in:
Dylan K. Taylor 2020-10-31 22:48:41 +00:00
parent b270029161
commit 01001dca74
3 changed files with 6 additions and 9 deletions
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4
src/network/mcpe/serializer/ChunkSerializer.php
View File

@ -43,7 +43,7 @@ final class ChunkSerializer{
*/
public static function getSubChunkCount(Chunk $chunk) : int{
for($count = $chunk->getSubChunks()->count(); $count > 0; --$count){
if($chunk->getSubChunk($count - 1)->isEmptyFast()){
if($chunk->getSubChunkChecked($count - 1)->isEmptyFast()){
continue;
}
return $count;
@ -56,7 +56,7 @@ final class ChunkSerializer{
$stream = new PacketSerializer();
$subChunkCount = self::getSubChunkCount($chunk);
for($y = 0; $y < $subChunkCount; ++$y){
$layers = $chunk->getSubChunk($y)->getBlockLayers();
$layers = $chunk->getSubChunkChecked($y)->getBlockLayers();
$stream->putByte(8); //version
$stream->putByte(count($layers));

6
src/world/format/Chunk.php
View File

@ -166,7 +166,7 @@ class Chunk{
*/
public function getHighestBlockAt(int $x, int $z) : int{
for($y = $this->subChunks->count() - 1; $y >= 0; --$y){
$height = $this->getSubChunk($y)->getHighestBlockAt($x, $z) | ($y << 4);
$height = $this->getSubChunkChecked($y)->getHighestBlockAt($x, $z) | ($y << 4);
if($height !== -1){
return $height;
}
@ -204,7 +204,7 @@ class Chunk{
public function recalculateHeightMap(\SplFixedArray $directSkyLightBlockers) : void{
$maxSubChunkY = $this->subChunks->count() - 1;
for(; $maxSubChunkY >= 0; $maxSubChunkY--){
if(!$this->getSubChunk($maxSubChunkY)->isEmptyFast()){
if(!$this->getSubChunkChecked($maxSubChunkY)->isEmptyFast()){
break;
}
}
@ -217,7 +217,7 @@ class Chunk{
for($x = 0; $x < 16; ++$x){
$y = null;
for($subChunkY = $maxSubChunkY; $subChunkY >= 0; $subChunkY--){
$subHighestBlockY = $this->getSubChunk($subChunkY)->getHighestBlockAt($x, $z);
$subHighestBlockY = $this->getSubChunkChecked($subChunkY)->getHighestBlockAt($x, $z);
if($subHighestBlockY !== -1){
$y = ($subChunkY * 16) + $subHighestBlockY;
break;

5
src/world/utils/SubChunkExplorer.php
View File

@ -27,7 +27,6 @@ use pocketmine\utils\Utils;
use pocketmine\world\ChunkManager;
use pocketmine\world\format\Chunk;
use pocketmine\world\format\SubChunk;
use function assert;
class SubChunkExplorer{
/** @var ChunkManager */
@ -78,9 +77,7 @@ class SubChunkExplorer{
return SubChunkExplorerStatus::INVALID;
}
$newSubChunk = $this->currentChunk->getSubChunk($y >> 4);
assert($newSubChunk instanceof SubChunk, "chunk inside valid bounds should always be a SubChunk instance");
$this->currentSubChunk = $newSubChunk;
$this->currentSubChunk = $this->currentChunk->getSubChunkChecked($y >> 4);
if($this->onSubChunkChangeFunc !== null){
($this->onSubChunkChangeFunc)();
}