Пример #1
0
 /**
  * @param int $size
  * @param array $data
  *
  * @return BitStream
  */
 public static function newFromBytes($size, $data)
 {
     $bStream = new BitStream();
     $bStream->allocate($size * 8);
     $p = 0;
     for ($i = 0; $i < $size; $i++) {
         $mask = 0x80;
         for ($j = 0; $j < 8; $j++) {
             $bStream->data[$i] = $data[$i] & $mask ? 1 : 0;
             $p++;
             $mask = $mask >> 1;
         }
     }
     return $bStream;
 }
Пример #2
0
 private function parseGameEventsFile_22612(&$string)
 {
     $playerLeft = array();
     $events = array();
     $time = 0;
     $numEvents = 0;
     $eventType = 0;
     $stream = new BitStream($string);
     while (true) {
         $stream->alignToNextByte();
         if ($stream->EOFreached()) {
             break;
         }
         $knownEvent = true;
         $timeStampLen = $stream->readBits(2);
         $timeStamp = $stream->readBits(6 + $timeStampLen * 8);
         $playerId = $stream->readBits(4);
         $globalEventFlag = $stream->readBits(1);
         if (isset($this->players[$playerId])) {
             $playerName = $this->players[$playerId]['name'];
         } else {
             $playerName = "";
         }
         $eventType = $stream->readBits(7);
         $time += $timeStamp;
         $numEvents++;
         if ($globalEventFlag > 0 && $playerId > 0) {
             $knownEvent = false;
         } else {
             switch ($eventType) {
                 case 0x5:
                     // game starts
                     if ($globalEventFlag == 0 || $playerId > 0) {
                         $knownEvent = false;
                     }
                     break;
                 case 0xc:
                     // player enters game
                     $stream->readBits(8);
                     if ($playerId == 0) {
                         $knownEvent = false;
                     }
                     break;
                 case 0x1b:
                     // abilities
                     $flags = $stream->readBits(20);
                     $defaultAbility = $stream->readBits(1);
                     if ($defaultAbility) {
                         $abilityID = $stream->readBits(16);
                         $buttonIndex = $stream->readBits(5);
                         $stream->skipBits(1);
                         if (!$this->players[$playerId]['isObs'] && $this->players[$playerId]['race'] == "") {
                             if ($abilityID == 0x93) {
                                 $this->players[$playerId]['race'] = "Terran";
                             } elseif ($abilityID == 0xa7) {
                                 $this->players[$playerId]['race'] = "Protoss";
                             } elseif ($abilityID == 0xb9) {
                                 $this->players[$playerId]['race'] = "Zerg";
                             }
                         }
                     }
                     $targetType = $stream->readBits(2);
                     switch ($targetType) {
                         case 0:
                             break;
                         case 1:
                             $targetX = $stream->readBits(20);
                             $targetY = $stream->readBits(20);
                             $targetZ = $stream->readBits(32);
                             break;
                         case 2:
                             $stream->skipBits(8);
                             $stream->skipBits(8);
                             $unitID = $stream->readBits(32);
                             $unitType = $stream->readBits(16);
                             $hasPlayer = $stream->readBits(1);
                             if ($hasPlayer) {
                                 $targetPlayer = $stream->readBits(4);
                             }
                             $hasTeam = $stream->readBits(1);
                             if ($hasTeam) {
                                 $targetTeam = $stream->readBits(4);
                             }
                             $targetX = $stream->readBits(20);
                             $targetY = $stream->readBits(20);
                             $targetZ = $stream->readBits(32);
                             break;
                         case 3:
                             $unitID = $stream->readBits(32);
                             break;
                     }
                     $stream->skipBits(1);
                     break;
                 case 0x1c:
                     // unit selection
                     $wireframeIndex = $stream->readBits(4);
                     $subgroupIndex = $stream->readBits(9);
                     $updateFlags = $stream->readBits(2);
                     switch ($updateFlags) {
                         case 0:
                             $unitTypes = $stream->readBits(9);
                             for ($i = 0; $i < $unitTypes; $i++) {
                                 $unitTypeID = $stream->readBits(16);
                                 $unitSubtype = $stream->readBits(8);
                                 $unitsOfType = $stream->readBits(9);
                             }
                             $unitIDs = $stream->readBits(9);
                             for ($i = 0; $i < $unitIDs; $i++) {
                                 $unitID = $stream->readBits(32);
                             }
                             break;
                         case 1:
                             $unitsAffected = $stream->readBits(9);
                             $removedUnitFlags = $stream->readBits($unitsAffected);
                             $unitTypes = $stream->readBits(9);
                             for ($i = 0; $i < $unitTypes; $i++) {
                                 $unitTypeID = $stream->readBits(16);
                                 $unitSubtype = $stream->readBits(8);
                                 $unitsOfType = $stream->readBits(9);
                             }
                             $unitIDs = $stream->readBits(9);
                             for ($i = 0; $i < $unitIDs; $i++) {
                                 $unitID = $stream->readBits(32);
                             }
                             break;
                         case 2:
                         case 3:
                             $wIndexLen = $stream->readBits(9);
                             $stream->skipBits(9 * $wIndexLen);
                             $unitTypes = $stream->readBits(9);
                             for ($i = 0; $i < $unitTypes; $i++) {
                                 $unitTypeID = $stream->readBits(16);
                                 $unitSubtype = $stream->readBits(8);
                                 $unitsOfType = $stream->readBits(9);
                             }
                             $unitIDs = $stream->readBits(9);
                             for ($i = 0; $i < $unitIDs; $i++) {
                                 $unitID = $stream->readBits(32);
                             }
                             break;
                     }
                     break;
                 case 0x1d:
                     // Control groups
                     $controlGroup = $stream->readBits(4);
                     $actionType = $stream->readBits(2);
                     $updateType = $stream->readBits(2);
                     switch ($updateType) {
                         case 0:
                             break;
                         case 1:
                             $unitsAffected = $stream->readBits(9);
                             $stream->skipBits($unitsAffected);
                             break;
                         case 2:
                         case 3:
                             $unitIndices = $stream->readBits(9);
                             $stream->skipBits($unitIndices * 9);
                             break;
                     }
                     break;
                 case 0x19:
                     // leaves game
                     if ($this->players[$playerId]['team'] > 0) {
                         // don't log observers/party members etc
                         $playerLeft[] = $playerId;
                     }
                     break;
                 case 0x1f:
                     // Resource trading
                     $sendee = $stream - readBits(4);
                     $stream->skipBits(3);
                     $minerals = $stream->readBits(32);
                     $vespene = $stream->readBits(32);
                     $terrazine = $stream->readBits(32);
                     $wasistdas = $stream->readBits(32);
                     break;
                 case 0x23:
                     // Unknown
                     $stream->skipBits(8);
                     break;
                 case 0x26:
                     // Unknown
                     $stream->skipBits(64);
                     break;
                 case 0x27:
                     // Target critter
                     $stream->skipBits(32);
                     break;
                 case 0x31:
                     // camera movement
                     $xCoord = $stream->readBits(16);
                     $yCoord = $stream->readBits(16);
                     $zoomFlag = $stream->readBits(1);
                     if ($zoomFlag) {
                         $zoom = $stream->readBits(16);
                     }
                     $pitchFlag = $stream->readBits(1);
                     if ($pitchFlag) {
                         $pitch = $stream->readBits(16);
                     }
                     $yawFlag = $stream->readBits(1);
                     if ($yawFlag) {
                         $yaw = $stream->readBits(16);
                     }
                     $someFlag = $stream->readBits(1);
                     break;
                 case 0x37:
                     // Unknown
                     $stream->skipBits(64);
                     break;
                 case 0x38:
                     // Unknown
                     $arrayLen = $stream->readBits(8);
                     $stream->skipBits(32 * $arrayLen);
                     $arrayLen = $stream->readBits(8);
                     $stream->skipBits(32 * $arrayLen);
                     break;
                 case 0x3c:
                     // Unknown
                     $stream->skipBits(16);
                     break;
                 case 0x46:
                     // Computer requests resources
                     $stream->skipBits(3);
                     $minerals = $stream->readBits(32);
                     $vespene = $stream->readBits(32);
                     $terrazine = $stream->readBits(32);
                     $wasistdas = $stream->readBits(32);
                     break;
                 case 0x4c:
                     //????
                     $stream->skipBits(4);
                     break;
                 case 0x59:
                     // sync?
                     $stream->skipBits(32);
                     break;
                 default:
                     $knownEvent = false;
                     break;
             }
         }
         if ($knownEvent == false) {
             if ($this->debug) {
                 $this->debug(sprintf("Unknown event: Timestamp: %d, Type: %02X, Global: %d, Player ID: %d (%s), Byte: %08X<br />\n", $timeStamp, $eventType, $globalEventFlag, $playerId, $playerName, $stream->getByte()));
             }
             return false;
         } else {
             if ($this->debug >= 2) {
                 $this->debug(sprintf("DEBUG L2: Timestamp: %d, Frames: %d, Type: %02X, Global: %d, Player ID: %d (%s), Byte: %08X<br />\n", floor($time / 16), $timeStamp, $eventType, $globalEventFlag, $playerId, $playerName, $stream->getByte()));
             }
         }
     }
     $this->populateWinners($playerLeft);
     return $numEvents;
 }
 function PixelsToStream()
 {
     // Make a new bit stream for the image
     $BitStream = new BitStream($this->Image->GetBoundry());
     // Move to the start pixel
     $this->Image->StartPixel();
     // While we have bits and pixels
     while (!$this->Image->EOF() && !$BitStream->EOF()) {
         // Get the current pixels RGB value
         $Pixel = $this->Image->GetPixel();
         // Write the pixel data to the bit stream
         $BitStream->Write($Pixel);
         // Move to the next pixel
         $this->Image->NextPixel();
     }
     // If we got to the end of the image
     if ($this->Image->EOF()) {
         // Then we never found our secret data
         $BitStream->Stream = '';
     }
     // Overwrite the main bit stream with our new one
     $this->BitStream = $BitStream;
 }