/**
* @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 $bStream;
}
private function parseGameEventsFile_22612(&$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;
}
