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Further refactors to prepare for y=-64 lower limit

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This commit is contained in:
Dylan K. Taylor
2021-03-18 00:08:16 +00:00
parent b844c4266d
commit eb9a68edee
17 changed files with 101 additions and 51 deletions
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12
src/world/format/Chunk.php
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@ -131,17 +131,17 @@ class Chunk{
* @param int $x 0-15
* @param int $z 0-15
*
* @return int 0-255, or -1 if there are no blocks in the column
* @return int|null 0-255, or null if there are no blocks in the column
*/
public function getHighestBlockAt(int $x, int $z) : int{
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);
if($height !== -1){
return $height;
$height = $this->getSubChunk($y)->getHighestBlockAt($x, $z);
if($height !== null){
return $height | ($y << 4);
}
}
return -1;
return null;
}
/**