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PakProcessGuidRelationsForAsset rebuilt

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Some unknown fields are still present.
Structs and some naming credits to @r-ex
This commit is contained in:
Marvin D 2022-10-30 20:17:50 +01:00
parent bc361c7c85
commit 6e42f18ed9
2 changed files with 182 additions and 1 deletions
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88
r5dev/rtech/rtech_utils.cpp
View File

@ -707,10 +707,93 @@ RPakLoadedInfo_t* RTech::GetPakLoadedInfo(const char* szPakName)
return nullptr;
}
//-----------------------------------------------------------------------------
// Purpose: process guid relations for asset
//-----------------------------------------------------------------------------
void RTech::PakProcessGuidRelationsForAsset(PakFile_t* pPak, RPakAssetEntry* pAsset)
{
RPakDescriptor* pGuidDescriptors = &pPak->m_pGuidDescriptors[pAsset->m_nUsesStartIdx];
volatile uint32_t* v5 = reinterpret_cast<volatile uint32_t*>(*(reinterpret_cast<uint64_t*>(g_pUnknownPakStruct) + 0x17 * (pPak->qword578 & 0x1FF) + 0x160212));
if (rtech_debug->GetBool())
DevMsg(eDLL_T::RTECH, "Processing GUID relations for asset '0x%-16llX' in pak '%-32s'. Uses: %-4i\n", pAsset->m_Guid, pPak->m_pszFileName, pAsset->m_nUsesCount);
for (uint64_t i = 0; i < pAsset->m_nUsesCount; i++)
{
void** pCurrentGuid = reinterpret_cast<void**>(pPak->m_ppPagePointers[pGuidDescriptors[i].m_Index] + pGuidDescriptors[i].m_Offset);
// Get current guid.
uint64_t currentGuid = reinterpret_cast<uint64_t>(*pCurrentGuid);
// Get asset index.
int assetIdx = currentGuid & 0x3FFFF;
uint64_t assetIdxEntryGuid = g_pUnknownPakStruct->m_Assets[assetIdx].m_Guid;
int64_t v9 = 2i64 * InterlockedExchangeAdd(v5, 1u);
*(uint64_t*)&v5[2 * v9 + 2] = currentGuid;
*(uint64_t*)&v5[2 * v9 + 4] = pAsset->m_Guid;
std::function<bool(bool)> fnCheckAsset = [&](bool shouldCheckTwo)
{
while (true)
{
if (shouldCheckTwo && assetIdxEntryGuid == 2)
{
if (pPak->m_PakHdr.m_nAssetEntryCount)
return false;
}
assetIdx++;
assetIdx &= 0x3FFFF;
assetIdxEntryGuid = g_pUnknownPakStruct->m_Assets[assetIdx].m_Guid;
// Check if we have a deadlock and report it if we have rtech_debug enabled.
if (rtech_debug->GetBool() && assetIdx > 0x40000)
{
DevMsg(eDLL_T::RTECH, "Possible deadlock detected in fnCheckAsset for asset '0x%-16llX' in pak '%-32s'. Uses: %-4i | assetIdxEntryGuid: '0x%-16llX' | currentGuid: '0x%-16llX'\n", pAsset->m_Guid, pPak->m_pszFileName, pAsset->m_nUsesCount, assetIdxEntryGuid, currentGuid);
if (IsDebuggerPresent())
DebugBreak();
}
if (assetIdxEntryGuid == currentGuid)
return true;
}
};
if (assetIdxEntryGuid != currentGuid)
{
// Are we some special asset with the guid 2?
if (!fnCheckAsset(true))
{
RPakAssetEntry* assetEntries = pPak->m_pAssetEntries;
uint64_t a; for (a = 0; assetEntries->m_Guid != currentGuid; a++, assetEntries++)
{
if (a >= pPak->m_PakHdr.m_nAssetEntryCount)
{
fnCheckAsset(false);
break;
}
}
assetIdx = pPak->qword580[a];
}
}
// Finally write the pointer to the guid entry.
*pCurrentGuid = g_pUnknownPakStruct->m_Assets[assetIdx].m_pHead;
}
}
void RTech_Utils_Attach()
{
DetourAttach((LPVOID*)&RTech_OpenFile, &RTech::OpenFile);
#ifdef GAMEDLL_S3
DetourAttach((LPVOID*)&RTech_Pak_ProcessGuidRelationsForAsset, &RTech::PakProcessGuidRelationsForAsset);
#endif
#if not defined DEDICATED && defined GAMEDLL_S3
DetourAttach((LPVOID*)&RTech_CreateDXTexture, &RTech::CreateDXTexture);
#endif // !DEDICATED
@ -718,9 +801,12 @@ void RTech_Utils_Attach()
void RTech_Utils_Detach()
{
// [ PIXIE ]: Everything related to RTech::OpenFile should be compatible across seasons.
DetourDetach((LPVOID*)&RTech_OpenFile, &RTech::OpenFile);
#ifdef GAMEDLL_S3
DetourDetach((LPVOID*)&RTech_Pak_ProcessGuidRelationsForAsset, &RTech::PakProcessGuidRelationsForAsset);
#endif
#if not defined DEDICATED && defined GAMEDLL_S3
DetourDetach((LPVOID*)&RTech_CreateDXTexture, &RTech::CreateDXTexture);
#endif // !DEDICATED

95
r5dev/rtech/rtech_utils.h
View File

@ -109,9 +109,37 @@ struct RPakAssetBinding_t
// [ PIXIE ]: Should be the full size across Season 0-3.
};
struct RPakAssetEntry
{
uint64_t m_Guid;
uint64_t m_Padding;
void* m_pHead;
void* m_pCpu;
uint64_t m_nStarpakOffset;
uint64_t m_nStarpakOptOffset;
uint16_t m_nPageEnd;
uint16_t unk1;
uint32_t m_nRelationsStartIdx;
uint32_t m_nUsesStartIdx;
uint32_t m_nRelationsCount;
uint32_t m_nUsesCount;
uint32_t m_nAssetHeaderSize;
uint32_t m_nVersion;
uint32_t m_nMagic;
};
struct RPakAssetEntryShort
{
uint64_t m_Guid;
uint64_t m_Padding;
void* m_pHead;
void* m_pCpu;
};
struct RPakUnknownStruct_t
{
RPakAssetBinding_t m_nAssetBindings[64]; // [ PIXIE ]: Max possible registered assets on Season 3, 0-2 I did not check yet.
RPakAssetEntryShort m_Assets[0x40000];
// End size unknown.
};
@ -204,6 +232,58 @@ public:
uint64_t m_nUnkEnd; //0x00B0/0x00E8
}; //Size: 0x00B8/0x00E8
struct RPakDescriptor
{
uint32_t m_Index;
uint32_t m_Offset;
};
struct __declspec(align(2)) PakFile_t
{
int m_nDescCount;
int m_nProcessedAssetCount;
int m_nPageEnd;
int m_nPageStart;
uint32_t m_nPatchIndex_maybe;
uint32_t dword14;
char gap18[184];
uint32_t unsigned_intD0;
char gapD4[284];
uint64_t m_nInputBytePos;
uint8_t byte1F8;
char gap1F9[4];
uint8_t byte1FD;
uint8_t byte1FE;
uint8_t byte200;
RPakDecompState_t m_PakDecompState;
uint64_t qword288;
uint64_t qword290;
uint64_t qword298;
uint64_t qword2A0;
char* m_PatchData;
char gap2B0[696];
unsigned __int8(__fastcall* pfunc568)(__int64, LARGE_INTEGER*, unsigned __int64);
uint64_t qword570;
uint64_t qword578;
int* qword580;
uint8_t** m_ppPagePointers;
void* m_pPatchCompressPairs;
uint64_t qword598;
char* m_pszStreamingFilePaths;
char* m_pszOptStreamingFilePaths;
void* m_pVirtualSegments;
void* m_pMemPages;
void* m_pVirtualPointers;
RPakAssetEntry* m_pAssetEntries;
RPakDescriptor* m_pGuidDescriptors;
uint32_t* m_pFileRelations;
char gap5E0[40];
RPakAssetEntry** m_ppAssetEntries;
char gap610[520];
const char* m_pszFileName;
RPakHeader_t m_PakHdr;
};
/* ==== RTECH =========================================================================================================================================================== */
#if not defined DEDICATED
inline CMemory p_RTech_CreateDXTexture;
@ -220,6 +300,11 @@ inline auto RTech_FindFreeSlotInFiles = p_RTech_FindFreeSlotInFiles.RCast<int32_
inline CMemory p_RTech_OpenFile;
inline auto RTech_OpenFile = p_RTech_OpenFile.RCast<int32_t(*)(const char*, void*, int64_t*)>();
#ifdef GAMEDLL_S3
inline CMemory p_Pak_ProcessGuidRelationsForAsset;
inline auto RTech_Pak_ProcessGuidRelationsForAsset = p_RTech_OpenFile.RCast<void(__fastcall*)(PakFile_t*, RPakAssetEntry*)>();
#endif
inline CMemory p_StreamDB_Init;
inline auto v_StreamDB_Init = p_StreamDB_Init.RCast<void (*)(const char* pszLevelName)>();
@ -247,6 +332,11 @@ public:
static int32_t OpenFile(const CHAR* szFilePath, void* unused, LONGLONG* fileSizeOut);
#ifdef GAMEDLL_S3
static void PakProcessGuidRelationsForAsset(PakFile_t* pak, RPakAssetEntry* asset);
#endif
#if not defined DEDICATED
static void CreateDXTexture(TextureHeader_t* textureHeader, int64_t cpuArg);
void** LoadShaderSet(void** VTablePtr);
@ -306,6 +396,11 @@ class VPakFile : public IDetour
p_RTech_OpenFile = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\xE8\x00\x00\x00\x00\x89\x85\x08\x01\x00\x00"), "x????xxxxxx").FollowNearCallSelf();
RTech_OpenFile = p_RTech_OpenFile.RCast<int32_t(*)(const char*, void*, int64_t*)>(); /*E8 ? ? ? ? 89 85 08 01 00 00*/
#ifdef GAMEDLL_S3
p_Pak_ProcessGuidRelationsForAsset = g_GameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\xE8\x00\x00\x00\x00\x48\x8B\x86\x00\x00\x00\x00\x42\x8B\x0C\xB0"), "x????xxx????xxxx").FollowNearCallSelf();
RTech_Pak_ProcessGuidRelationsForAsset = p_Pak_ProcessGuidRelationsForAsset.RCast<void(__fastcall*)(PakFile_t*, RPakAssetEntry*)>(); /*E8 ? ? ? ? 48 8B 86 ? ? ? ? 42 8B 0C B0*/
#endif
}
virtual void GetVar(void) const
{