mirror of
https://github.com/Mauler125/r5sdk.git
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f5a8ca3e7a
Pak files above 4GB caused the async file system to throw an error about failing to load audio banks, removed casts and promoted everything correctly. Also removed irrelevant comments in the public pakfile header.
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
//=============================================================================//
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//
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// Purpose: async file loading, unloading and the management thereof
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//
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//=============================================================================//
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#include "rtech/ipakfile.h"
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#include "rtech/pak/paktools.h"
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#include "asyncio.h"
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//----------------------------------------------------------------------------------
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// open a file and add it to the async file handle array
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//----------------------------------------------------------------------------------
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int FS_OpenAsyncFile(const char* const filePath, const int logLevel, size_t* const fileSizeOut)
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{
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const CHAR* fileToLoad = filePath;
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char overridePath[1024];
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// is this a pak file and do we have an override
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if (strstr(fileToLoad, PLATFORM_PAK_PATH) &&
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Pak_FileOverrideExists(fileToLoad, overridePath, sizeof(overridePath)))
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{
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fileToLoad = overridePath;
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}
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const HANDLE hFile = CreateFileA(fileToLoad, GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_DELETE, 0, OPEN_EXISTING, FILE_SUPPORTS_GHOSTING, 0);
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if (hFile == INVALID_HANDLE_VALUE)
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return FS_ASYNC_FILE_INVALID;
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if (fileSizeOut)
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{
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// get the size of the file we just opened
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LARGE_INTEGER fileSize;
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if (GetFileSizeEx(hFile, &fileSize))
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*fileSizeOut = fileSize.QuadPart;
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}
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const int fileIdx = g_pAsyncFileSlotMgr->FindSlot();
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const int slotNum = (fileIdx & ASYNC_MAX_FILE_HANDLES_MASK);
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AsyncHandleTracker_t& tracker = g_pAsyncFileSlots[slotNum];
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tracker.m_nFileNumber = fileIdx;
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tracker.m_hFileHandle = hFile;
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tracker.m_nCurOfs = 1;
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if (async_debug_level->GetInt() >= logLevel)
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Msg(eDLL_T::RTECH, "%s: Opened file: '%s' to slot #%d\n", __FUNCTION__, fileToLoad, slotNum);
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return fileIdx;
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}
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//----------------------------------------------------------------------------------
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// close a file and remove it from the async file handle array
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//----------------------------------------------------------------------------------
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void FS_CloseAsyncFile(const int fileHandle)
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{
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const int slotNum = fileHandle & ASYNC_MAX_FILE_HANDLES_MASK;
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AsyncHandleTracker_t& tracker = g_pAsyncFileSlots[slotNum];
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if (ThreadInterlockedExchangeAdd(&tracker.m_nCurOfs, 0xFFFFFFFF) <= 1)
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{
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CloseHandle(tracker.m_hFileHandle);
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tracker.m_hFileHandle = INVALID_HANDLE_VALUE;
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g_pAsyncFileSlotMgr->FreeSlot(slotNum);
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if (async_debug_close->GetBool())
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Msg(eDLL_T::RTECH, "%s: Closed file from slot #%d\n", __FUNCTION__, slotNum);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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void V_AsyncIO::Detour(const bool bAttach) const
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{
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DetourSetup(&v_FS_OpenAsyncFile, &FS_OpenAsyncFile, bAttach);
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DetourSetup(&v_FS_CloseAsyncFile, &FS_CloseAsyncFile, bAttach);
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}
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