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r5sdk/r5dev/rtech/rtech.h

177 lines
14 KiB
C
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Code base refactor + major performance and readability improvement. Read description for details. * Codebase restructured to SourceSDK codebase style and .cpp/.h assertion paths in the game executable. * Document most functions with valve style 'Purpose' blocks. * Rename variables to match the rest of the codebase and Valve's naming convention. * Dedicated DLL and the SDKLauncher now share the same codebase as the DevSDK. * Obtain globals or pointers directly instead of waiting for runtime initialized data. * Dynamically search for all functions and globals (this doesn't count for dedicated yet!). * Initialize most in-SDK variables. * Move certain prints and other utilities under ConVars to reduce verbosity and increase performance. * Print all pattern scan results through a virtual function to make it easier to add and debug new patterns in the future. * Type global var pointers appropriately if class or type is known and implemented. * Forward declare 'CClient' class to avoid having 2 'g_pClient' copies. * Add IDA's pseudo definitions for easier prototyping with decompiled assembly code. * RPAK decompress Command callback implementation. * Load decompressed RPaks from 'paks\Win32\' overriding the ones in 'paks\Win64\' (the decompress callback will automatically fix the header and write it to 'paks\Win32\'). * VPK decompress Command callback implementation. * Move CRC32 ands Adler32 to implementation files. * Server will print out more details about the connecting client. * Upgrade ImGui lib to v1.86. * Don't compile id3dx.h for dedicated. * Don't compile id3dx.cpp for dedicated * Implement DevMsg print function allowing to print information to the in-game VGUI/RUI console overlay, ImGui console overlay and the external windows console * Fixed bug where the Error function would not properly terminate the process when an error is called. This caused access violations for critical/non-recoverable errors. * Fixed bug where the game would crash if the console or server browser was enabled while the game was still starting up. * Several bug fixes for the dedicated server (warning: dedicated is still considered work-in-progress!).
2021-12-25 22:36:38 +01:00
#pragma once
#define PAK_HEADER_SIZE 0x80
#define PAK_PARAM_SIZE 0xB0
#define DCMP_BUF_SIZE 0x400000
namespace
{
/*unk_141313180*/
const unsigned char LUT_0[0x720] =
{
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0x83, 0xF9, 0x22, 0x3F, 0x83, 0xF9, 0x22, 0x3F, 0x83, 0xF9, 0x22, 0x3F, 0x83, 0xF9, 0x22, 0x3F,
0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x00, 0x10, 0xC9, 0x3F, 0x00, 0x10, 0xC9, 0x3F, 0x00, 0x10, 0xC9, 0x3F, 0x00, 0x10, 0xC9, 0x3F,
0x4C, 0x39, 0x56, 0x75, 0x42, 0x52, 0x65, 0x75, 0x70, 0x35, 0x31, 0x77, 0x4C, 0x51, 0x64, 0x61,
};
}
struct rpak_h
{
std::uint32_t m_nMagic; // 'RPak'
std::uint16_t m_nVersion; // R2 = '7' R5 = '8'
std::uint8_t m_nFlags[0x2]; //
std::uint8_t m_nHash[0x10]; //
std::uint64_t m_nSizeDisk; // Compressed size
std::uint64_t m_nEmbeddedStarpakOffset; //
std::uint8_t unk0[0x8]; //
std::uint64_t m_nSizeMemory; // Decompressed size
std::uint64_t m_nEmbeddedStarpakSize; //
std::uint8_t unk1[0x8]; //
std::uint16_t m_nStarpakReferenceSize; //
std::uint16_t m_nStarpakOptReferenceSize; //
std::uint16_t m_nVirtualSegmentCount; // * 0x10
std::uint16_t m_nVirtualSegmentBlockCount; // * 0xC
std::uint32_t m_nPatchIndex; //
std::uint32_t m_nUnknownThirdBlockCount; //
std::uint32_t m_nAssetEntryCount; // File entry count
std::uint32_t m_nUnknownFifthBlockCount; //
std::uint32_t m_nUnknownSixedBlockCount; //
std::uint8_t unk2[0x1C]; //
};
namespace
{
/* ==== RTECH =========================================================================================================================================================== */
//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");
//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*/
//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");
//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*/
}
class RTech
{
public:
std::uint64_t __fastcall StringToGuid(const char* pData);
std::uint8_t __fastcall Decompress(std::int64_t* params, std::uint64_t file_size, std::uint64_t buffer_size);
std::uint32_t __fastcall DecompressedSize(std::int64_t param_buf, std::uint8_t* file_buf, std::int64_t file_size, std::int64_t off_no_header, std::int64_t header_size);
};
///////////////////////////////////////////////////////////////////////////////
extern RTech* g_pRtech;
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