mirror of
https://github.com/Mauler125/r5sdk.git
synced 2025-02-09 19:15:03 +01:00
d5b2e58dae
* 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!).
245 lines
10 KiB
C++
245 lines
10 KiB
C++
#include "core/stdafx.h"
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#include "engine/sys_utils.h"
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#include "engine/host_state.h"
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#include "engine/net_chan.h"
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#include "tier0/cvar.h"
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#include "client/IVEngineClient.h"
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//-----------------------------------------------------------------------------
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// Purpose: state machine's main processing loop
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//-----------------------------------------------------------------------------
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void HCHostState_FrameUpdate(void* rcx, void* rdx, float time)
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{
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static auto setjmpFn = ADDRESS(0x141205460).RCast<std::int64_t(*)(jmp_buf, void*)>();
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static auto host_abortserver = ADDRESS(0x14B37C700).RCast<jmp_buf*>();
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static auto CHostState_InitFn = ADDRESS(0x14023E7D0).RCast<void(*)(CHostState*)>();
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static auto g_ServerAbortServer = ADDRESS(0x14B37CA22).RCast<char*>();
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static auto State_RunFn = ADDRESS(0x14023E870).RCast<void(*)(HostStates_t*, void*, float)>();
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static auto Cbuf_ExecuteFn = ADDRESS(0x14020D5C0).RCast<void(*)()>();
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static auto g_ServerGameClients = ADDRESS(0x14B383428).RCast<std::int64_t*>();
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static auto SV_InitGameDLLFn = ADDRESS(0x140308B90).RCast<void(*)()>();
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static auto g_CModelLoader = ADDRESS(0x14173B210).RCast<void*>();
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static auto CModelLoader_Map_IsValidFn = ADDRESS(0x1402562F0).RCast<bool(*)(void*, const char*)>();
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static auto Host_NewGameFn = ADDRESS(0x140238DA0).RCast<bool(*)(char*, char*, bool, bool, void*)>();
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static auto Host_Game_ShutdownFn = ADDRESS(0x14023EDA0).RCast<void(*)(CHostState*)>();
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static auto src_drawloading = ADDRESS(0x14B37D96B).RCast<char*>();
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static auto scr_engineevent_loadingstarted = ADDRESS(0x1666ED024).RCast<char*>();
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static auto gfExtendedError = ADDRESS(0x14B383391).RCast<char*>();
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static auto g_CEngineVGui = ADDRESS(0x141741310).RCast<void*>();
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static auto g_ServerDLL = ADDRESS(0x141732048).RCast<void**>();
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static auto Host_ChangelevelFn = ADDRESS(0x1402387B0).RCast<void(*)(bool, const char*, const char*)>();
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static auto CL_EndMovieFn = ADDRESS(0x1402C03D0).RCast<void(*)()>();
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static auto SendOfflineRequestToStryderFn = ADDRESS(0x14033D380).RCast<void(*)()>();
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static auto CEngine = ADDRESS(0X141741BA0).RCast<void*>();
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static bool bInitialized = false;
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if (!bInitialized)
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{
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IConVar_ClearHostNames();
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ConCommand_InitConCommand();
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IVEngineClient_CommandExecute(NULL, "exec autoexec.cfg");
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IVEngineClient_CommandExecute(NULL, "exec autoexec_server.cfg");
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#ifndef DEDICATED
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IVEngineClient_CommandExecute(NULL, "exec autoexec_client.cfg");
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#endif // !DEDICATED
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*(bool*)m_bRestrictServerCommands = true; // Restrict commands.
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void* disconnect = g_pCvar->FindCommand("disconnect");
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*(std::int32_t*)((std::uintptr_t)disconnect + 0x38) |= FCVAR_SERVER_CAN_EXECUTE; // Make sure server is not restricted to this.
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if (net_userandomkey->m_pParent->m_iValue == 1)
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{
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HNET_GenerateKey();
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}
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g_pCvar->FindVar("net_usesocketsforloopback")->m_pParent->m_iValue = 1;
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bInitialized = true;
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}
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HostStates_t oldState{};
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void* placeHolder = nullptr;
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if (setjmpFn(*host_abortserver, placeHolder))
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{
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CHostState_InitFn(g_pHostState);
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return;
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}
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else
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{
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*g_ServerAbortServer = true;
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do
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{
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Cbuf_ExecuteFn();
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oldState = g_pHostState->m_iCurrentState;
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switch (g_pHostState->m_iCurrentState)
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{
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case HostStates_t::HS_NEW_GAME:
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{
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_NEW_GAME | Loading level: '%s'\n", g_pHostState->m_levelName);
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// Inlined CHostState::State_NewGame
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g_pHostState->m_bSplitScreenConnect = false;
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if (!g_ServerGameClients) // Init Game if it ain't valid.
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{
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SV_InitGameDLLFn();
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}
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if (!CModelLoader_Map_IsValidFn(g_CModelLoader, g_pHostState->m_levelName) // Check if map is valid and if we can start a new game.
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|| !Host_NewGameFn(g_pHostState->m_levelName, nullptr, g_pHostState->m_bBackgroundLevel, g_pHostState->m_bSplitScreenConnect, nullptr) || !g_ServerGameClients)
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{
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_NEW_GAME | Error: Map not valid.\n");
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// Inlined SCR_EndLoadingPlaque
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if (*src_drawloading)
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{
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*scr_engineevent_loadingstarted = 0;
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using HideLoadingPlaqueFn = void(*)(void*);
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(*reinterpret_cast<HideLoadingPlaqueFn**>(g_CEngineVGui))[36](g_CEngineVGui); // (*((void(__fastcall**)(void**))g_CEngineVGui + 36))(&g_CEngineVGui);// HideLoadingPlaque
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}
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else if (*gfExtendedError)
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{
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using ShowErrorMessageFn = void(*)(void*);
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(*reinterpret_cast<ShowErrorMessageFn**>(g_CEngineVGui))[35](g_CEngineVGui); // (*((void(__fastcall**)(void**))g_CEngineVGui + 35))(&g_CEngineVGui);// ShowErrorMessage
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}
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// End Inline SCR_EndLoadingPlaque
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// Inlined CHostState::GameShutdown
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if (g_pHostState->m_bActiveGame)
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{
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using GameShutdownFn = void(*)(void*);
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(*reinterpret_cast<GameShutdownFn**>(g_ServerDLL))[9](g_ServerDLL); // (*(void(__fastcall**)(void*))(*(_QWORD*)g_ServerDLL + 72i64))(g_ServerDLL);// GameShutdown
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g_pHostState->m_bActiveGame = 0;
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}
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// End Inline CHostState::GameShutdown
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}
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// Seems useless so nope.
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// if (g_CHLClient)
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// (*(void(__fastcall**)(__int64, _QWORD))(*(_QWORD*)g_CHLClient + 1000i64))(g_CHLClient, 0i64);
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g_pHostState->m_iCurrentState = HostStates_t::HS_RUN; // Set current state to run.
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// If our next state isn't a shutdown or its a forced shutdown then set next state to run.
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if (g_pHostState->m_iNextState != HostStates_t::HS_SHUTDOWN || !g_pCvar->FindVar("host_hasIrreversibleShutdown")->m_pParent->m_iValue)
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{
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g_pHostState->m_iNextState = HostStates_t::HS_RUN;
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}
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// End Inline CHostState::State_NewGame
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break;
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}
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case HostStates_t::HS_CHANGE_LEVEL_SP:
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{
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g_pHostState->m_flShortFrameTime = 1.5; // Set frame time.
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_CHANGE_LEVEL_SP | Changing singleplayer level to: '%s'\n", g_pHostState->m_levelName);
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if (CModelLoader_Map_IsValidFn(g_CModelLoader, g_pHostState->m_levelName)) // Check if map is valid and if we can start a new game.
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{
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Host_ChangelevelFn(true, g_pHostState->m_levelName, g_pHostState->m_mapGroupName); // Call change level as singleplayer level.
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}
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else
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{
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_CHANGE_LEVEL_SP | Error: Unable to find map: '%s'\n", g_pHostState->m_levelName);
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}
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// Seems useless so nope.
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// if (g_CHLClient)
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// (*(void(__fastcall**)(__int64, _QWORD))(*(_QWORD*)g_CHLClient + 1000i64))(g_CHLClient, 0i64);
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g_pHostState->m_iCurrentState = HostStates_t::HS_RUN; // Set current state to run.
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// If our next state isn't a shutdown or its a forced shutdown then set next state to run.
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if (g_pHostState->m_iNextState != HostStates_t::HS_SHUTDOWN || !g_pCvar->FindVar("host_hasIrreversibleShutdown")->m_pParent->m_iValue)
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{
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g_pHostState->m_iNextState = HostStates_t::HS_RUN;
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}
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break;
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}
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case HostStates_t::HS_CHANGE_LEVEL_MP:
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{
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g_pHostState->m_flShortFrameTime = 0.5; // Set frame time.
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using LevelShutdownFn = void(__thiscall*)(void*);
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(*reinterpret_cast<LevelShutdownFn**>(*g_ServerDLL))[8](g_ServerDLL); // (*(void (__fastcall **)(void *))(*(_QWORD *)server_dll_var + 64i64))(server_dll_var);// LevelShutdown
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_CHANGE_LEVEL_MP | Changing multiplayer level to: '%s'\n", g_pHostState->m_levelName);
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if (CModelLoader_Map_IsValidFn(g_CModelLoader, g_pHostState->m_levelName)) // Check if map is valid and if we can start a new game.
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{
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using EnabledProgressBarForNextLoadFn = void(*)(void*);
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(*reinterpret_cast<EnabledProgressBarForNextLoadFn**>(g_CEngineVGui))[31](g_CEngineVGui); // (*((void(__fastcall**)(void**))g_CEngineVGUI + 31))(&g_CEngineVGUI);// EnabledProgressBarForNextLoad
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Host_ChangelevelFn(false, g_pHostState->m_levelName, g_pHostState->m_mapGroupName); // Call change level as multiplayer level.
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}
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else
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{
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_CHANGE_LEVEL_MP | Error: Unable to find map: '%s'\n", g_pHostState->m_levelName);
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}
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// Seems useless so nope.
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// // if (g_CHLClient)
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// (*(void(__fastcall**)(__int64, _QWORD))(*(_QWORD*)g_CHLClient + 1000i64))(g_CHLClient, 0i64);
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g_pHostState->m_iCurrentState = HostStates_t::HS_RUN; // Set current state to run.
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// If our next state isn't a shutdown or its a forced shutdown then set next state to run.
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if (g_pHostState->m_iNextState != HostStates_t::HS_SHUTDOWN || !g_pCvar->FindVar("host_hasIrreversibleShutdown")->m_pParent->m_iValue)
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{
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g_pHostState->m_iNextState = HostStates_t::HS_RUN;
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}
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break;
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}
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case HostStates_t::HS_RUN:
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{
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State_RunFn(&g_pHostState->m_iCurrentState, nullptr, time);
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break;
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}
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case HostStates_t::HS_GAME_SHUTDOWN:
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{
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_GAME_SHUTDOWN | Shutdown game\n");
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Host_Game_ShutdownFn(g_pHostState);
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break;
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}
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case HostStates_t::HS_RESTART:
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{
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_RESTART | Restarting client\n");
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CL_EndMovieFn();
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SendOfflineRequestToStryderFn(); // We have hostnames nulled anyway.
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*(std::int32_t*)((std::uintptr_t)CEngine + 0xC) = 3; //g_CEngine.vtable->SetNextState(&g_CEngine, DLL_RESTART);
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break;
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}
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case HostStates_t::HS_SHUTDOWN:
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{
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DevMsg(eDLL_T::ENGINE, "CHostState::FrameUpdate | CASE:HS_SHUTDOWN | Shutdown client\n");
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CL_EndMovieFn();
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SendOfflineRequestToStryderFn(); // We have hostnames nulled anyway.
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*(std::int32_t*)((std::uintptr_t)CEngine + 0xC) = 2; //g_CEngine.vtable->SetNextState(&g_CEngine, DLL_CLOSE);
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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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} while ((oldState != HostStates_t::HS_RUN || g_pHostState->m_iNextState == HostStates_t::HS_LOAD_GAME && g_pCvar->FindVar("g_single_frame_shutdown_for_reload_cvar")->m_pParent->m_iValue)
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&& oldState != HostStates_t::HS_SHUTDOWN
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&& oldState != HostStates_t::HS_RESTART);
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}
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}
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void CHostState_Attach()
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{
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DetourAttach((LPVOID*)&CHostState_FrameUpdate, &HCHostState_FrameUpdate);
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}
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void CHostState_Detach()
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{
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DetourDetach((LPVOID*)&CHostState_FrameUpdate, &HCHostState_FrameUpdate);
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}
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CHostState* g_pHostState = reinterpret_cast<CHostState*>(p_CHostState_FrameUpdate.FindPatternSelf("48 8D ?? ?? ?? ?? 01", ADDRESS::Direction::DOWN, 100).ResolveRelativeAddressSelf(0x3, 0x7).GetPtr());;
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