2b9d2ff8b6
Batch #14094 by Yommy: 1 byte-identical, 1 confirmed by peer review. - fn_18111 PakRegistry::Add: logic confirmed by peer review (already on main) - fn_04013 myGPack::CGPakUpdate::Close: byte-identical (already on main) Peer-reviewed-by: secret, Tanke, codeplay Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
#ifndef RAGNAROK_SOURCE_ARCHIVE_GPAK_H
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#define RAGNAROK_SOURCE_ARCHIVE_GPAK_H
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#include "Archive/PakFile.h"
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#include "Archive/PakName.h"
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#include <cstddef>
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#include <cstdint>
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#include <span>
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#include <string_view>
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#include <random>
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#include <vector>
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struct PakUniformRandom {
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/* 0000 */ std::mt19937 m_engine;
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/* 1388 */ std::uniform_int_distribution<int> m_distribution;
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PakUniformRandom(int minimum, int maximum, unsigned int seed);
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};
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void FillRandomBytes(char* first, char* last, PakUniformRandom& random);
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namespace myGPack {
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struct PakEntry {
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/* 0000 */ std::uint32_t alignedSize;
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/* 0004 */ std::uint32_t compressedSize;
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/* 0008 */ std::uint32_t originalSize;
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/* 000C */ std::uint32_t unknown_000C;
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/* 0010 */ std::uint64_t dataOffset;
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/* 0018 */ std::uint8_t flags;
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/* 0019 */ std::uint8_t unknown_0019[3];
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/* 001C */ PakName name;
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};
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static_assert(sizeof(PakEntry) == 288);
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static_assert(offsetof(PakEntry, dataOffset) == 16);
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static_assert(offsetof(PakEntry, flags) == 24);
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static_assert(offsetof(PakEntry, name) == 28);
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}
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struct PakAuxiliary {
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PakAuxiliary();
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~PakAuxiliary();
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void Apply(const void* data, std::uint32_t size, const void* auxData, std::uint32_t auxSize);
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bool Extract(std::string_view name, const std::uint8_t* data, std::uint32_t size, std::span<const std::uint8_t> scratch, void* output, std::uint32_t outputSize, unsigned flags);
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/* 0000 */ std::uint8_t unknown_0000[244];
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};
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static_assert(sizeof(PakAuxiliary) == 244);
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class CGPak {
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public:
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CGPak();
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virtual ~CGPak();
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bool Open(CPakFile* file);
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void Reset();
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bool Find(const myGPack::PakName& name, myGPack::PakEntry* entry) const;
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bool Extract(const myGPack::PakEntry* entry, void* buffer);
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void ReadAuxiliary(std::vector<std::uint8_t>& output, std::uint64_t* identifier = nullptr);
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void ApplyAuxiliary(const void* data, std::uint32_t size, const void* auxData, std::uint32_t auxSize);
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protected:
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bool ReadTableV1();
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bool ReadTableV2();
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bool ReadTableV3();
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/* 0008 */ alignas(8) CPakFile* m_file;
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/* 000C */ std::uint32_t m_version;
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/* 0010 */ std::uint32_t m_entryCount;
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/* 0014 */ std::uint32_t unknown_0014;
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/* 0018 */ std::uint64_t m_tableOffset;
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/* 0020 */ std::uint32_t m_tableSize;
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/* 0024 */ std::vector<myGPack::PakEntry> m_entries;
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/* 0030 */ std::vector<std::uint8_t> m_scratch;
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/* 003C */ CRITICAL_SECTION m_criticalSection;
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/* 0054 */ PakAuxiliary m_auxiliary;
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};
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#if defined(_WIN32) && !defined(_WIN64)
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static_assert(sizeof(CGPak) == 328);
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#endif
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// INLINED
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inline CGPak::CGPak() : m_file(nullptr), m_version(0), m_entryCount(0), m_tableOffset(0), m_tableSize(0) {
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this->Reset();
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InitializeCriticalSection(&this->m_criticalSection);
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}
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#endif
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