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Chunk: simplify heightmap calculation

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This commit is contained in:
Dylan K. Taylor
2020-09-08 23:03:52 +01:00
parent c7070788f9
commit 03de2bcc67
5 changed files with 16 additions and 15 deletions
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20
src/world/format/Chunk.php
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@ -260,12 +260,10 @@ class Chunk{
/**
* Recalculates the heightmap for the whole chunk.
*
* @param \SplFixedArray|int[] $lightFilters
* @param \SplFixedArray|bool[] $lightDiffusers
* @phpstan-param \SplFixedArray<int> $lightFilters
* @phpstan-param \SplFixedArray<bool> $lightDiffusers
* @param \SplFixedArray|bool[] $directSkyLightBlockers
* @phpstan-param \SplFixedArray<bool> $directSkyLightBlockers
*/
public function recalculateHeightMap(\SplFixedArray $lightFilters, \SplFixedArray $lightDiffusers) : void{
public function recalculateHeightMap(\SplFixedArray $directSkyLightBlockers) : void{
$maxSubChunkY = $this->subChunks->count() - 1;
for(; $maxSubChunkY >= 0; $maxSubChunkY--){
if(!$this->getSubChunk($maxSubChunkY)->isEmptyFast()){
@ -292,7 +290,7 @@ class Chunk{
$this->setHeightMap($x, $z, 0);
}else{
for(; $y >= 0; --$y){
if($lightFilters[$state = $this->getFullBlock($x, $y, $z)] > 1 or $lightDiffusers[$state]){
if($directSkyLightBlockers[$this->getFullBlock($x, $y, $z)]){
$this->setHeightMap($x, $z, $y + 1);
break;
}
@ -307,17 +305,15 @@ class Chunk{
*
* @param int $x 0-15
* @param int $z 0-15
* @param \SplFixedArray|int[] $lightFilters
* @param \SplFixedArray|bool[] $lightDiffusers
* @phpstan-param \SplFixedArray<int> $lightFilters
* @phpstan-param \SplFixedArray<bool> $lightDiffusers
* @param \SplFixedArray|bool[] $directSkyLightBlockers
* @phpstan-param \SplFixedArray<bool> $directSkyLightBlockers
*
* @return int New calculated heightmap value (0-256 inclusive)
*/
public function recalculateHeightMapColumn(int $x, int $z, \SplFixedArray $lightFilters, \SplFixedArray $lightDiffusers) : int{
public function recalculateHeightMapColumn(int $x, int $z, \SplFixedArray $directSkyLightBlockers) : int{
$y = $this->getHighestBlockAt($x, $z);
for(; $y >= 0; --$y){
if($lightFilters[$state = $this->getFullBlock($x, $y, $z)] > 1 or $lightDiffusers[$state]){
if($directSkyLightBlockers[$this->getFullBlock($x, $y, $z)]){
break;
}
}