52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
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/* Copyright (C) Teemu Suutari */
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#ifndef RNCDECOMPRESSOR_HPP
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#define RNCDECOMPRESSOR_HPP
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#include "Decompressor.hpp"
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namespace ancient::internal
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{
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class RNCDecompressor : public Decompressor
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{
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public:
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RNCDecompressor(const Buffer &packedData,bool verify);
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virtual ~RNCDecompressor();
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virtual const std::string &getName() const noexcept override final;
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virtual size_t getPackedSize() const noexcept override final;
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virtual size_t getRawSize() const noexcept override final;
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virtual void decompressImpl(Buffer &rawData,bool verify) override final;
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static bool detectHeader(uint32_t hdr) noexcept;
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static std::shared_ptr<Decompressor> create(const Buffer &packedData,bool exactSizeKnown,bool verify);
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private:
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enum class Version
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{
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RNC1Old=0,
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RNC1New,
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RNC2
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};
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void RNC1DecompressOld(Buffer &rawData,bool verify);
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void RNC1DecompressNew(Buffer &rawData,bool verify);
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void RNC2Decompress(Buffer &rawData,bool verify);
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const Buffer &_packedData;
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uint32_t _rawSize=0;
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uint32_t _packedSize=0;
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uint16_t _rawCRC=0;
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uint8_t _chunks=0;
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Version _ver;
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};
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}
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#endif
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