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130 lines
8.0 KiB
C++
130 lines
8.0 KiB
C++
#pragma once
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#define PAK_HEADER_SIZE 0x80
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#define PAK_PARAM_SIZE 0xB0
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#define DCMP_BUF_SIZE 0x400000
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namespace
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{
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/*unk_141313180*/
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// LUT_0 redacted now, split LUT into multiple parts.
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#pragma warning( push )
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#pragma warning( disable : 4309)
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#pragma warning( disable : 4838)
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std::array<int8_t, 512> LUT_0
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{
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4, 254, 252, 8, 4, 239, 17, 249, 4, 253, 252, 7, 4, 5, 255, 244, 4, 254, 252, 16, 4, 239, 17, 246, 4, 253, 252, 251, 4, 6, 255, 11, 4, 254, 252, 8, 4, 239, 17, 248, 4, 253, 252, 12, 4, 5, 255, 247, 4, 254, 252, 16, 4, 239, 17, 245, 4, 253, 252, 250, 4, 6, 255, 243, 4, 254, 252, 8, 4, 239, 17, 249, 4, 253, 252, 7, 4, 5, 255, 244, 4, 254, 252, 16, 4, 239, 17, 246, 4, 253, 252, 251, 4, 6, 255, 14, 4, 254, 252, 8, 4, 239, 17, 248, 4, 253, 252, 12, 4, 5, 255, 9, 4, 254, 252, 16, 4, 239, 17, 245, 4, 253, 252, 250, 4, 6, 255, 241, 4, 254, 252, 8, 4, 239, 17, 249, 4, 253, 252, 7, 4, 5, 255, 244, 4, 254, 252, 16, 4, 239, 17, 246, 4, 253, 252, 251, 4, 6, 255, 13, 4, 254, 252, 8, 4, 239, 17, 248, 4, 253, 252, 12, 4, 5, 255, 247, 4, 254, 252, 16, 4, 239, 17, 245, 4, 253, 252, 250, 4, 6, 255, 242, 4, 254, 252, 8, 4, 239, 17, 249, 4, 253, 252, 7, 4, 5, 255, 244, 4, 254, 252, 16, 4, 239, 17, 246, 4, 253, 252, 251, 4, 6, 255, 15, 4, 254, 252, 8, 4, 239, 17, 248, 4, 253, 252, 12, 4, 5, 255, 10, 4, 254, 252, 16, 4, 239, 17, 245, 4, 253, 252, 250, 4, 6, 255, 240, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 17, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 12, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 9, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 14, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 17, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 11, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 10, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 16, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 17, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 12, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 9, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 15, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 17, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 13, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, 10, 4, 5, 4, 6, 4, 5, 4, 8, 4, 5, 4, 6, 4, 5, 4, 255
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};
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std::array<uint8_t, 512> LUT_200
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{
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2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 6, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 7, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 6, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 6, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 7, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 6, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 2, 4, 3, 5, 2, 4, 4, 6, 2, 4, 3, 6, 2, 5, 4, 8, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 6, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 7, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 7, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 8, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 6, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 8, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 7, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 8, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 6, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 7, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 7, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 8, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 6, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 8, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 7, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 1, 8
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};
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std::array<uint8_t, 0x40> LUT_400
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{
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0, 8, 0, 4, 0, 8, 0, 6, 0, 8, 0, 1, 0, 8, 0, 11, 0, 8, 0, 12, 0, 8, 0, 9, 0, 8, 0, 3, 0, 8, 0, 14, 0, 8, 0, 4, 0, 8, 0, 7, 0, 8, 0, 2, 0, 8, 0, 13, 0, 8, 0, 12, 0, 8, 0, 10, 0, 8, 0, 5, 0, 8, 0, 15
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};
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std::array<uint8_t, 0x40> LUT_440
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{
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1, 2, 1, 5, 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 5, 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 5, 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 5, 1, 2, 1, 6, 1, 2, 1, 6, 1, 2, 1, 6
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};
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std::array<uint32_t, 16> LUT_480
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{
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74, 106, 138, 170, 202, 234, 266, 298, 330, 362, 394, 426, 938, 1450, 9642, 140714
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};
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std::array<uint8_t, 16> LUT_4C0
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{
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 9, 9, 13, 17, 21
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};
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std::array<uint8_t, 8> LUT_4D0
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{
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0, 0, 2, 4, 6, 8, 10, 42
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};
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std::array<uint8_t, 8> LUT_4D8
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{
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0, 1, 1, 1, 1, 1, 5, 5
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};
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std::array<uint8_t, 32> LUT_4E0
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{
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17, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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#pragma warning( pop )
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}
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struct RPakHeader_t
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{
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std::uint32_t m_nMagic; // 'RPak'
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std::uint16_t m_nVersion; // R2 = '7' R5 = '8'
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std::uint8_t m_nFlags[0x2]; //
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std::uint8_t m_nHash[0x10]; //
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std::uint64_t m_nSizeDisk; // Compressed size
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std::uint64_t m_nEmbeddedStarpakOffset; //
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std::uint8_t unk0[0x8]; //
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std::uint64_t m_nSizeMemory; // Decompressed size
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std::uint64_t m_nEmbeddedStarpakSize; //
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std::uint8_t unk1[0x8]; //
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std::uint16_t m_nStarpakReferenceSize; //
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std::uint16_t m_nStarpakOptReferenceSize; //
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std::uint16_t m_nVirtualSegmentCount; // * 0x10
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std::uint16_t m_nVirtualSegmentBlockCount; // * 0xC
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std::uint32_t m_nPatchIndex; //
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std::uint32_t m_nDescriptorCount; //
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std::uint32_t m_nAssetEntryCount; // File entry count
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std::uint32_t m_nGuidDescriptorCount; //
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std::uint32_t m_nRelationsCounts; //
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std::uint8_t unk2[0x1C]; //
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};
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struct __declspec(align(8)) RPakPatchCompressedHeader_t
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{
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std::uint64_t m_nSizeDisk;
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std::uint64_t m_nSizeMemory;
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};
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struct __declspec(align(8)) RPakDecompState_t
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{
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std::uint64_t m_nInputBuf;
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std::uint64_t m_nOut;
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std::uint64_t m_nMask;
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std::uint64_t m_nOutMask;
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std::uint64_t m_nTotalFileLen;
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std::uint64_t m_nDecompSize;
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std::uint64_t m_nInvMaskIn;
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std::uint64_t m_nInvMaskOut;
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std::uint32_t header_skip_bytes_bs;
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std::uint32_t dword44;
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std::uint64_t input_byte_pos;
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std::uint64_t m_nDecompPosition;
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std::uint64_t m_nLengthNeeded;
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std::uint64_t byte;
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std::uint32_t byte_bit_offset;
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std::uint32_t dword6C;
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std::uint64_t qword70;
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std::uint64_t m_nCompressedStreamSize;
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std::uint64_t m_nDecompStreamSize;
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};
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namespace
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{
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/* ==== RTECH =========================================================================================================================================================== */
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//DWORD64 p_RTech_Decompress = FindPatternV2("r5apex.exe", (const unsigned char*)"\x4C\x89\x44\x24\x18\x48\x89\x54\x24\x10\x53\x48\x83\xEC\x50\x48", "xxxxxxxxxxxxxxxx");
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//char (*RTech_Decompress)(int64_t* parameter, std::uint64_t input, std::uint64_t output) = (char (*)(std::int64_t*, std::uint64_t, std::uint64_t))p_RTech_Decompress; /*4C 89 44 24 18 48 89 54 24 10 53 48 83 EC 50 48*/
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//DWORD64 p_RTech_DecompressedSize = FindPatternV2("r5apex.exe", (const unsigned char*)"\x48\x89\x5C\x24\x08\x48\x89\x6C\x24\x18\x48\x89\x74\x24\x20\x48\x89\x54\x24\x10\x57\x41\x54\x41\x55\x41\x56\x41\x57\x4C\x8B\x74", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
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//std::int64_t (*RTech_DecompressedSize)(std::int64_t parameter, std::uint8_t* input, std::int64_t magic, std::int64_t a4, std::int64_t a5) = (std::int64_t (*)(std::int64_t, std::uint8_t*, std::int64_t, std::int64_t, std::int64_t))p_RTech_DecompressedSize; /*48 89 5C 24 08 48 89 6C 24 18 48 89 74 24 20 48 89 54 24 10 57 41 54 41 55 41 56 41 57 4C 8B 74*/
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}
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class RTech
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{
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public:
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std::uint64_t __fastcall StringToGuid(const char* pData);
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std::uint8_t __fastcall DecompressPakFile(RPakDecompState_t* state, std::uint64_t inLen, std::uint64_t outLen);
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std::uint32_t __fastcall DecompressPakFileInit(RPakDecompState_t* state, std::uint8_t* fileBuffer, std::int64_t fileSize, std::int64_t offNoHeader, std::int64_t headerSize);
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};
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///////////////////////////////////////////////////////////////////////////////
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extern RTech* g_pRtech;
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