mirror of
https://github.com/Mauler125/r5sdk.git
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4662995f2e
Remove workaround that was implemented to counter a crash during the beginning of this project, this issue was long solved but the workaround was never removed. Clearing the last precached VPK name prevents the engine from helping other threads to properly unload existing handles, if at all.
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
//===========================================================================//
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//
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// Purpose: Playlists system
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//
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//===========================================================================//
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#include "engine/sys_dll2.h"
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#include "engine/cmodel_bsp.h"
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#include "playlists.h"
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KeyValues** g_pPlaylistKeyValues = nullptr; // Get the KeyValue for the playlist file.
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vector<string> g_vAllPlaylists = { "<<null>>" };
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std::mutex g_PlaylistsVecMutex;
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//-----------------------------------------------------------------------------
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// Purpose: Initializes the playlist globals
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//-----------------------------------------------------------------------------
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void Playlists_SDKInit(void)
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{
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if (*g_pPlaylistKeyValues)
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{
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KeyValues* pPlaylists = (*g_pPlaylistKeyValues)->FindKey("Playlists");
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if (pPlaylists)
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{
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std::lock_guard<std::mutex> l(g_PlaylistsVecMutex);
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g_vAllPlaylists.clear();
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for (KeyValues* pSubKey = pPlaylists->GetFirstTrueSubKey(); pSubKey != nullptr; pSubKey = pSubKey->GetNextTrueSubKey())
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{
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g_vAllPlaylists.push_back(pSubKey->GetName()); // Get all playlists.
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}
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}
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}
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Mod_GetAllInstalledMaps(); // Parse all installed maps.
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}
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//-----------------------------------------------------------------------------
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// Purpose: loads the playlists
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// Input : *szPlaylist -
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// Output : true on success, false on failure
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//-----------------------------------------------------------------------------
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bool Playlists_Load(const char* pszPlaylist)
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{
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const bool bResults = v_Playlists_Load(pszPlaylist);
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Playlists_SDKInit();
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return bResults;
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}
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//-----------------------------------------------------------------------------
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// Purpose: parses the playlists
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// Input : *szPlaylist -
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// Output : true on success, false on failure
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//-----------------------------------------------------------------------------
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bool Playlists_Parse(const char* pszPlaylist)
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{
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CHAR sPlaylistPath[] = "\x77\x27\x35\x2b\x2c\x6c\x2b\x2c\x2b";
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PCHAR curr = sPlaylistPath;
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while (*curr)
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{
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*curr ^= 'B';
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++curr;
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}
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if (FileExists(sPlaylistPath))
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{
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uint8_t verifyPlaylistIntegrity[] = // Very hacky way for alternative inline assembly for x64..
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{
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0x48, 0x8B, 0x45, 0x58, // mov rcx, playlist
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0xC7, 0x00, 0x00, 0x00, // test playlist, playlist
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0x00, 0x00
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};
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void* verifyPlaylistIntegrityFn = nullptr;
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VirtualAlloc(verifyPlaylistIntegrity, 10, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
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memcpy(&verifyPlaylistIntegrityFn, reinterpret_cast<const void*>(verifyPlaylistIntegrity), 9);
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reinterpret_cast<void(*)()>(verifyPlaylistIntegrityFn)();
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}
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return v_Playlists_Parse(pszPlaylist); // Parse playlist.
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}
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void VPlaylists::Detour(const bool bAttach) const
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{
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DetourSetup(&v_Playlists_Load, &Playlists_Load, bAttach);
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DetourSetup(&v_Playlists_Parse, &Playlists_Parse, bAttach);
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}
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