mirror of
https://gitlab.com/hashborgir/d2tools.git
synced 2024-11-30 12:36:03 +00:00
61 lines
1.5 KiB
PHP
61 lines
1.5 KiB
PHP
<?php
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error_reporting(E_ERROR | E_PARSE);
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set_time_limit(-1);
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ini_set('max_input_time', '-1');
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ini_set('max_execution_time', '0');
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session_start();
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ob_start();
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require_once './config.php';
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require_once './_pdo.php';
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require_once "./src/D2Functions.php";
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require_once './src/D2ItemData.php';
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require_once './src/D2ItemDesc.php';
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require_once './src/D2DocGenerator.php';
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define('DB_FILE', "ironman-dev.db");
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PDO_Connect("sqlite:" . DB_FILE);
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$filename = "D:\Diablo II\MODS\ironman-dev\save\Test.d2s";
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$fp = fopen($filename, "rb+");
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$filesize = filesize($filename);
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$pucData = unpack("C*",file_get_contents($filename));
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// ddump($pucData);
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// ddump(fseek($fp, 1));
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// pucData - pointer to the byte stream of the .d2s file
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// iSize - number of bytes in the stream ( filesize )
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function checksum($fp, $pucData, $iSize){
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// delete old checksum at offset 0x0C - byte 12
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fseek($fp, 12);
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// (I) unsigned integer (machine dependent size and byte order)
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fwrite($fp, pack('I', 0)); // produces 4 bytes
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$uiCS = 0b00000000000000000000000000000000;
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// this is the whole checksum calculation
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for ($j = 1; $j <= $iSize; ++$j ){
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$uiCS = (($uiCS << 1)|( $uiCS >> 31)) + decbin($pucData[$j]);
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// dump(decbin($pucData[$j]));
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}
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dump(decbin($uiCS));
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//fseek($fp, 12);
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//fwrite($fp, pack('I', $uiCS));
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}
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fseek($fp, 347);
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fwrite($fp, pack('C', 0xFD));
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fseek($fp, 348);
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fwrite($fp, pack('C', 0x9F));
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checksum($fp, $pucData, $filesize);
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fclose($fp);
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