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39 lines
761 B
C
39 lines
761 B
C
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#pragma once
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#include <vector>
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#include <string>
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#include <filesystem>
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#pragma pack(push, 1)
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struct PackRecord {
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uint32_t m_Crc;
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int32_t m_LowerCrc;
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int32_t m_UpperCrc;
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uint32_t m_UncompressedSize;
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char m_UncompressedHash[32];
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uint32_t m_Padding1;
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uint32_t m_CompressedSize;
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char m_CompressedHash[32];
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uint32_t m_Padding2;
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uint32_t m_FilePointer;
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uint32_t m_IsCompressed; // u32 bool
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};
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#pragma pack(pop)
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class Pack {
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public:
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Pack(const std::filesystem::path& filePath);
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~Pack() = default;
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bool HasFile(uint32_t crc);
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bool ReadFileFromPack(uint32_t crc, char** data, uint32_t* len);
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private:
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std::ifstream m_FileStream;
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std::filesystem::path m_FilePath;
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char m_Version[7];
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uint32_t m_RecordCount;
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std::vector<PackRecord> m_Records;
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};
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