Common::SeekableReadStream *Resources::decompress(Common::SeekableReadStream &source, uint32 outSize) {
int inSize = (_vm->getGameID() == GType_RoseTattoo) ? source.readSint32LE() : -1;
byte *outBuffer = (byte *)malloc(outSize);
Common::MemoryReadStream *outStream = new Common::MemoryReadStream(outBuffer, outSize, DisposeAfterUse::YES);
decompressLZ(source, outBuffer, outSize, inSize);
return outStream;
}
Common::SeekableReadStream *Resources::decompress(Common::SeekableReadStream &source, uint32 outSize) {
int inSize = IS_ROSE_TATTOO ? source.readSint32LE() : -1;
byte *outBuffer = (byte *)malloc(outSize);
Common::MemoryReadStream *outStream = new Common::MemoryReadStream(outBuffer, outSize, DisposeAfterUse::YES);
decompressLZ(source, outBuffer, outSize, inSize);
return outStream;
}
Common::SeekableReadStream *Resources::decompress(Common::SeekableReadStream &source) {
// This variation can't be used by Rose Tattoo, since compressed resources include the input size,
// not the output size. Which means their decompression has to be done via passed buffers
assert(_vm->getGameID() == GType_SerratedScalpel);
uint32 id = source.readUint32BE();
assert(id == MKTAG('L', 'Z', 'V', 0x1A));
uint32 outputSize = source.readUint32LE();
return decompressLZ(source, outputSize);
}
void Resources::decompressIfNecessary(Common::SeekableReadStream *&stream) {
bool isCompressed = stream->readUint32BE() == MKTAG('L', 'Z', 'V', 26);
if (isCompressed) {
int outSize = stream->readUint32LE();
Common::SeekableReadStream *newStream = decompressLZ(*stream, outSize);
delete stream;
stream = newStream;
} else {
stream->seek(-4, SEEK_CUR);
}
}
Common::SeekableReadStream *Resources::decompressLZ(Common::SeekableReadStream &source, uint32 outSize) {
byte *dataOut = (byte *)malloc(outSize);
decompressLZ(source, dataOut, outSize, -1);
return new Common::MemoryReadStream(dataOut, outSize, DisposeAfterUse::YES);
}
void Resources::decompress(Common::SeekableReadStream &source, byte *buffer, uint32 outSize) {
int inputSize = (_vm->getGameID() == GType_RoseTattoo) ? source.readSint32LE() : -1;
decompressLZ(source, buffer, outSize, inputSize);
}
void Resources::decompress(Common::SeekableReadStream &source, byte *buffer, uint32 outSize) {
int inputSize = IS_ROSE_TATTOO ? source.readSint32LE() : -1;
decompressLZ(source, buffer, outSize, inputSize);
}
