mirror of
https://github.com/Mauler125/r5sdk.git
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105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
//=============================================================================
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//
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//
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//=============================================================================
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#include "core/stdafx.h"
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/*****************************************************************************/
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#include "tier1/cvar.h"
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#include "tier0/commandline.h"
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#include "tier1/IConVar.h"
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#include "client/vengineclient_impl.h"
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#include "client/cdll_engine_int.h"
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#include "engine/net_chan.h"
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#include "engine/cl_rcon.h"
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#include "public/include/bansystem.h"
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#include "vpc/keyvalues.h"
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#include "gameui/IConsole.h"
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/*****************************************************************************/
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHLClient::FrameStageNotify(CHLClient* pHLClient, ClientFrameStage_t frameStage)
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{
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switch (frameStage)
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{
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case ClientFrameStage_t::FRAME_START: // FrameStageNotify gets called every frame by CEngine::Frame with the stage being FRAME_START. We can use this to check/set global variables.
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{
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break;
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}
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case ClientFrameStage_t::FRAME_NET_UPDATE_POSTDATAUPDATE_END:
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{
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gHLClient->PatchNetVarConVar();
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break;
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}
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default:
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{
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break;
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}
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}
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g_pIConsole->Think();
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CHLClient_FrameStageNotify(pHLClient, frameStage);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHLClient::PatchNetVarConVar(void) const
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{
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#ifdef GAMEDLL_S3
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static bool bASLR = true;
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static bool bInit = false;
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static void* pCVar = 0;
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if (!bASLR && !bInit)
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{
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CHAR sConVarPtr[] = "\x72\x3a\x73\x76\x72\x75\x73\x7a\x7a\x03\x04";
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PCHAR curr = sConVarPtr;
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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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stringstream ss;
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ss << std::hex << string(sConVarPtr);
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ss >> pCVar;
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bInit = true;
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}
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else if (!bInit)
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{
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CMemory mCVar = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\xF3\x0F\x11\x83\x8C\x21\x00\x00"), "xxxxxxxx");
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pCVar = mCVar.RCast<void*>();
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bInit = true;
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}
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if (*reinterpret_cast<uint8_t*>(pCVar) == 144)
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{
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uint8_t padding[] =
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{
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0x48, 0x8B, 0x45,
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0x58, 0xC7, 0x00,
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0x00, 0x00, 0x00,
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0x00
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};
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void* pCallback = nullptr;
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VirtualAlloc(pCallback, 10, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
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memcpy(pCallback, reinterpret_cast<void*>(padding), 9);
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reinterpret_cast<void(*)()>(pCallback)();
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}
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#endif // GAMEDLL_S3
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}
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///////////////////////////////////////////////////////////////////////////////
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void CHLClient_Attach()
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{
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DetourAttach((LPVOID*)&CHLClient_FrameStageNotify, &CHLClient::FrameStageNotify);
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}
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void CHLClient_Detach()
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{
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DetourDetach((LPVOID*)&CHLClient_FrameStageNotify, &CHLClient::FrameStageNotify);
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}
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