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<?php |
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/** |
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* Class DTBLReader |
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* |
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* @link https://arctium.io/wiki/index.php?title=WildStar_Client_Database_(.tbl) |
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* @link https://bitbucket.org/mugadr_m/wildstar-studio/src/973583416d4436e4980de840c2c91cfc5972fb2a/WildstarStudio/DataTable.h |
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* |
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* @filesource DTBLReader.php |
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* @created 04.01.2019 |
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* @package codemasher\WildstarDB\Archive |
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* @author smiley <[email protected]> |
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* @copyright 2019 smiley |
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* @license MIT |
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*/ |
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namespace codemasher\WildstarDB\Archive; |
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use codemasher\WildstarDB\WSDBException; |
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use function array_fill, count, fread, fseek, ftell, round, substr, unpack; |
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use function codemasher\WildstarDB\{float, uint32, uint64}; |
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final class DTBLReader extends ReaderAbstract{ |
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/** |
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* @var string |
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* @internal |
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*/ |
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protected $FORMAT_HEADER = 'a4Signature/LVersion/QTableNameLength/x8/QRecordSize/QFieldCount/QDescriptionOffset'. |
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'/QRecordCount/QFullRecordSize/QEntryOffset/QNextId/QIDLookupOffset/x8'; |
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/** |
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* @var bool |
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* @internal |
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*/ |
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private $skip; |
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/** |
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* @var int |
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* @internal |
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*/ |
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private $pos; |
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/** |
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* @var string |
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* @internal |
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*/ |
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private $rowdata; |
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/** |
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* @param string $filename |
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* |
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* @return \codemasher\WildstarDB\Archive\ReaderInterface |
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* @throws \codemasher\WildstarDB\WSDBException |
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*/ |
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public function read(string $filename):ReaderInterface{ |
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$this->loadFile($filename); |
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if($this->header['Signature'] !== "\x4c\x42\x54\x44"){ // LBTD |
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throw new WSDBException('invalid DTBL'); |
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} |
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$this->readColumnHeaders(); |
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$this->readData(); |
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if(count($this->data) !== $this->header['RecordCount']){ |
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throw new WSDBException('invalid row count'); |
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} |
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return $this; |
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} |
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/** |
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* @return void |
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*/ |
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private function readColumnHeaders():void{ |
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// table name (UTF-16LE: length *2) |
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$this->name = $this->decodeString(fread($this->fh, $this->header['TableNameLength'] * 2)); |
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// skip forward |
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fseek($this->fh, $this->header['DescriptionOffset'] + $this->headerSize); |
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// read the column headers (4+4+8+2+2+4 = 24 bytes) |
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for($i = 0; $i < $this->header['FieldCount']; $i++){ |
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$this->cols[$i]['header'] = unpack('LNameLength/x4/QNameOffset/SDataType/x2/x4', fread($this->fh, 24)); |
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} |
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$offset = $this->header['FieldCount'] * 24 + $this->header['DescriptionOffset'] + $this->headerSize; |
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if($this->header['FieldCount'] % 2){ |
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$offset += 8; |
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} |
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// read the column names |
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foreach($this->cols as $i => $col){ |
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fseek($this->fh, $offset + $col['header']['NameOffset']); |
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// column name (UTF-16LE: length *2) |
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$this->cols[$i]['name'] = $this->decodeString(fread($this->fh, $col['header']['NameLength'] * 2)); |
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} |
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$this->logger->info($this->name.', fields: '.$this->header['FieldCount'].', rows: '.$this->header['RecordCount']); |
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} |
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/** |
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* @return void |
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* @throws \codemasher\WildstarDB\WSDBException |
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*/ |
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private function readData():void{ |
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fseek($this->fh, $this->header['EntryOffset'] + $this->headerSize); |
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$this->data = array_fill(0, $this->header['RecordCount'], null); |
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// read a row |
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foreach($this->data as $i => $_){ |
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$this->rowdata = fread($this->fh, $this->header['RecordSize']); |
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$this->pos = 0; |
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$this->skip = false; |
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// loop through the columns |
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foreach($this->cols as $c => $col){ |
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// skip 4 bytes if the string offset is 0 (determined by $skip), the current type is string and the next isn't |
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if($this->skip === true && ($c > 0 && $this->cols[$c - 1]['header']['DataType'] === 130) && $col['header']['DataType'] !== 130){ |
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$this->pos += 4; |
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} |
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$this->data[$i][$col['name']] = $this->getValue($col['header']['DataType']); |
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} |
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// if we run into this, a horrible thing happened |
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if(count($this->data[$i]) !== $this->header['FieldCount']){ |
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throw new WSDBException('invalid field count'); |
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} |
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} |
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} |
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/** |
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* @param int $datatype |
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* |
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* @return int|float|string|null |
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*/ |
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private function getValue(int $datatype){ |
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switch($datatype){ |
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case 3: // uint32 |
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case 11: // booleans (stored as uint32 0/1) |
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$v = uint32(substr($this->rowdata, $this->pos, 4)); |
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$this->pos += 4; |
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break; |
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case 4: // float |
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$v = round(float(substr($this->rowdata, $this->pos, 4)), 3); // @todo: determine round precision |
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$this->pos += 4; |
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break; |
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case 20: // uint64 |
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$v = uint64(substr($this->rowdata, $this->pos, 8)); |
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$this->pos += 8; |
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break; |
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case 130: // string (UTF-16LE) |
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$v = $this->readString(); |
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$this->pos += 8; |
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break; |
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default: |
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$v = null; |
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} |
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return $v; |
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} |
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/** |
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* @return string |
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*/ |
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private function readString():string{ |
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$o = uint32(substr($this->rowdata, $this->pos, 4)); |
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$p = ftell($this->fh); |
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$this->skip = $o === 0; |
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fseek($this->fh, $this->header['EntryOffset'] + $this->headerSize + ($o > 0 ? $o : uint32(substr($this->rowdata, $this->pos + 4, 4)))); |
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$v = ''; |
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// loop through the string until we hit 2 nul bytes or the void |
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do{ |
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$s = fread($this->fh, 2); |
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$v .= $s; |
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} |
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while($s !== "\x00\x00" && $s !== ''); |
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fseek($this->fh, $p); |
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return $this->decodeString($v); |
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} |
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} |
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codemasher /
wildstar-database
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths