hash/d2tools
1
0
Fork 0
mirror of https://gitlab.com/hashborgir/d2tools.git synced 2024-11-30 04:26:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

PHP checksum working need to refactor and make more useful, easier to use, refactor lots of code

Browse Source
This commit is contained in:
Hash Borgir 2022-06-22 01:47:49 -06:00
parent 69d4728d8c
commit 3b03e54fa5
2 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/D2Functions.php
View File

@ -87,10 +87,14 @@ function setBit(int $n, int $p, bool $b){
function getBit(int $b, int $p){ function getBit(int $b, int $p){
return intval(($b & (1 << $p)) !== 0); return intval(($b & (1 << $p)) !== 0);
} }
/**
function checksum($fileData) { * Calculate D2S Checksum
* @param $data
* @return string
*/
function checksum($data) : string {
$nSignature = 0; $nSignature = 0;
foreach($fileData as $byte){ foreach($data as $byte){
$nSignature = ((($nSignature << 1) | ($nSignature >> 31)) + $byte) & 0xFFFFFFFF; $nSignature = ((($nSignature << 1) | ($nSignature >> 31)) + $byte) & 0xFFFFFFFF;
} }
return swapEndianness(dechex($nSignature)); return swapEndianness(dechex($nSignature));

8
test.php
View File

@ -6,9 +6,6 @@
require_once './src/D2Functions.php'; require_once './src/D2Functions.php';
require_once './src/D2BitReader.php'; require_once './src/D2BitReader.php';
$file = "D:\Diablo II\MODS\ironman-dev\save\Barb.d2s";
$data = file_get_contents($file);
class D2ByteReader { class D2ByteReader {
private string $data; private string $data;
@ -157,6 +154,9 @@ class D2ByteReader {
} }
$file = "D:\Diablo II\MODS\ironman-dev\save\Barb.d2s";
$data = file_get_contents($file);
$c = new D2ByteReader($data); $c = new D2ByteReader($data);
$c->seek(643); $c->seek(643);
$bytes = $c->readh(5); $bytes = $c->readh(5);
@ -174,5 +174,3 @@ $newChecksum = checksum(unpack('C*', $c->getData())); // get new checksum
dump($newChecksum); dump($newChecksum);
$c->writeBytes(12, $newChecksum); // write new checksum $c->writeBytes(12, $newChecksum); // write new checksum
file_put_contents($file, $c->getData()); // write bytestream to file file_put_contents($file, $c->getData()); // write bytestream to file
//shell_exec("bin\d2scs.exe \"$file\"");