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| author | Greg Frieger | 2009-03-14 08:43:28 +0000 |
|---|---|---|
| committer | Greg Frieger | 2009-03-14 08:43:28 +0000 |
| commit | 782c394dd78e31f1d4bca76d75e7cd91cd490f14 (patch) | |
| tree | c8d8fc7e6f5dac5bdade7ad7c5b2029cb8a46daf /engines/sci/scicore/decompressor.h | |
| parent | d00a9e9a7d2ca2520c107d9e2481759bc4cc9251 (diff) | |
| download | scummvm-rg350-782c394dd78e31f1d4bca76d75e7cd91cd490f14.tar.gz scummvm-rg350-782c394dd78e31f1d4bca76d75e7cd91cd490f14.tar.bz2 scummvm-rg350-782c394dd78e31f1d4bca76d75e7cd91cd490f14.zip | |
- LZS Decompressor added
- Some code clean-up
svn-id: r39385
Diffstat (limited to 'engines/sci/scicore/decompressor.h')
| -rw-r--r-- | engines/sci/scicore/decompressor.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/engines/sci/scicore/decompressor.h b/engines/sci/scicore/decompressor.h index 5d54212a95..c471b41cec 100644 --- a/engines/sci/scicore/decompressor.h +++ b/engines/sci/scicore/decompressor.h @@ -77,12 +77,17 @@ protected: byte getByteLSB(); void fetchBitsMSB(); - void fetchBitsLSB(); + void fetchBitsLSB(); //! put byte to _dest stream /** @param b - byte to put */ virtual void putByte(byte b); + // Returns true if all expected data has been unpacked to _dest + // and there is no more data in _src + bool isFinished() { + return (_dwWrote == _szUnpacked) && (_dwRead >= _szPacked); + } uint32 _dwBits; // bits buffer byte _nBits; // # of bits in buffer @@ -165,7 +170,12 @@ protected: class DecompressorLZS : public Decompressor { public: int unpack(Common::ReadStream *src, byte *dest, uint32 nPacked, uint32 nUnpacked); +protected: + int unpackLZS(); + uint16 getCompLen(); + void copyComp(int offs, int clen); }; + } // End of namespace Sci #endif // SCI_SCICORE_DECOMPRESSOR_H |