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Fixed negative chunk indexes on PMFLevel

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Shoghi Cervantes 2014-02-14 18:25:06 +01:00
parent 4acb4541ab
commit f0ff420659
1 changed files with 2 additions and 2 deletions
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4
src/pmf/PMFLevel.php
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@ -169,12 +169,12 @@ class PMFLevel extends PMF{
} }
public static function getIndex($X, $Z){ public static function getIndex($X, $Z){
return ($Z << 16) | ($X < 0 ? (~--$X & 0x7fff) | 0x1000 : $X & 0xFFFF); return ($Z << 16) | ($X < 0 ? (~--$X & 0x7fff) | 0x8000 : $X & 0x7fff);
} }
public static function getXZ($index, &$X = null, &$Z = null){ public static function getXZ($index, &$X = null, &$Z = null){
$Z = $index >> 16; $Z = $index >> 16;
$X = $index & 0xFFFF; $X = ($index & 0x8000) === 0x8000 ? -($index & 0x7fff) : $index & 0x7fff;
return array($X, $Z); return array($X, $Z);
} }