bool C4Record::StreamFile(const char *szLocalFilename, const char *szAddAs) {
// Load file into memory
StdBuf FileData;
if (!FileData.LoadFromFile(szLocalFilename)) return false;
// Prepend name
StdBuf Packed = DecompileToBuf<StdCompilerBinWrite>(
mkInsertAdapt(StdStrBuf(szAddAs), FileData, false));
// Add to stream
C4RecordChunkHead Head = {0, RCT_File};
Stream(Head, Packed);
return true;
}
bool C4Playback::StreamToRecord(const char *szStream, StdStrBuf *pRecordFile) {
// Load data
StdBuf CompressedData;
Log("Reading stream...");
if (!CompressedData.LoadFromFile(szStream)) return false;
// Decompress
unsigned long iStreamSize = CompressedData.getSize() * 5;
StdBuf StreamData;
StreamData.New(iStreamSize);
while (true) {
// Initialize stream
z_stream strm;
ZeroMem(&strm, sizeof strm);
strm.next_in = getMBufPtr<BYTE>(CompressedData);
strm.avail_in = CompressedData.getSize();
strm.next_out = getMBufPtr<BYTE>(StreamData);
strm.avail_out = StreamData.getSize();
// Decompress
if (inflateInit(&strm) != Z_OK) return false;
int ret = inflate(&strm, Z_FINISH);
if (ret == Z_STREAM_END) {
inflateEnd(&strm);
break;
}
if (ret != Z_BUF_ERROR) return false;
// All input consumed?
iStreamSize = strm.total_out;
if (strm.avail_in == 0) {
Log("Stream data incomplete, using as much data as possible");
break;
}
// Larger buffer needed
StreamData.Grow(CompressedData.getSize());
iStreamSize = StreamData.getSize();
}
StreamData.SetSize(iStreamSize);
// Parse
C4Playback Playback;
Playback.ReadBinary(StreamData);
LogF("Got %d chunks from stream", Playback.chunks.size());
// Get first chunk, which must contain the initial
chunks_t::iterator chunkIter = Playback.chunks.begin();
if (chunkIter == Playback.chunks.end() || chunkIter->Type != RCT_File)
return false;
// Get initial chunk, go over file name
StdBuf InitialData = *chunkIter->pFileData;
const char *szInitialFilename = chunkIter->Filename.getData();
// Put to temporary file and unpack
char szInitial[_MAX_PATH + 1] = "~initial.tmp";
MakeTempFilename(szInitial);
if (!InitialData.SaveToFile(szInitial) || !C4Group_UnpackDirectory(szInitial))
return false;
// Load Scenario.txt from Initial
C4Group Grp;
C4Scenario Initial;
if (!Grp.Open(szInitial) || !Initial.Load(Grp) || !Grp.Close()) return false;
// Copy original scenario
const char *szOrigin = Initial.Head.Origin.getData();
char szRecord[_MAX_PATH + 1];
SCopy(szStream, szRecord, _MAX_PATH);
if (GetExtension(szRecord)) *(GetExtension(szRecord) - 1) = 0;
SAppend(".c4s", szRecord, _MAX_PATH);
LogF("Original scenario is %s, creating %s.", szOrigin, szRecord);
if (!C4Group_CopyItem(szOrigin, szRecord, false, false)) return false;
// Merge initial
if (!Grp.Open(szRecord) || !Grp.Merge(szInitial)) return false;
// Process other files in stream
chunkIter->Delete();
chunkIter = Playback.chunks.erase(chunkIter);
while (chunkIter != Playback.chunks.end())
if (chunkIter->Type == RCT_File) {
LogF("Inserting %s...", chunkIter->Filename.getData());
StdStrBuf Temp;
Temp.Copy(chunkIter->Filename);
MakeTempFilename(&Temp);
if (!chunkIter->pFileData->SaveToFile(Temp.getData())) return false;
if (!Grp.Move(Temp.getData(), chunkIter->Filename.getData()))
return false;
chunkIter = Playback.chunks.erase(chunkIter);
} else
chunkIter++;
// Write record data
StdBuf RecordData = Playback.ReWriteBinary();
if (!Grp.Add(C4CFN_CtrlRec, RecordData, false, true)) return false;
// Done
Log("Writing record file...");
Grp.Close();
pRecordFile->Copy(szRecord);
return true;
}