294 lines
9.0 KiB
C++
294 lines
9.0 KiB
C++
#include "pch.h"
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#include "dedicated.h"
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#include "tier0.h"
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#include "playlist.h"
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#include "r2engine.h"
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#include "hoststate.h"
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#include "serverauthentication.h"
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#include "masterserver.h"
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#include "printcommand.h"
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AUTOHOOK_INIT()
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using namespace R2;
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bool IsDedicatedServer()
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{
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static bool result = strstr(GetCommandLineA(), "-dedicated");
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return result;
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}
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// CDedidcatedExports defs
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struct CDedicatedExports; // forward declare
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typedef void (*DedicatedSys_PrintfType)(CDedicatedExports* dedicated, const char* msg);
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typedef void (*DedicatedRunServerType)(CDedicatedExports* dedicated);
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// would've liked to just do this as a class but have not been able to get it to work
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struct CDedicatedExports
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{
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void* vtable; // because it's easier, we just set this to &this, since CDedicatedExports has no props we care about other than funcs
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char unused[56];
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DedicatedSys_PrintfType Sys_Printf;
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DedicatedRunServerType RunServer;
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};
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void Sys_Printf(CDedicatedExports* dedicated, const char* msg)
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{
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spdlog::info("[DEDICATED SERVER] {}", msg);
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}
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void RunServer(CDedicatedExports* dedicated)
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{
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spdlog::info("CDedicatedExports::RunServer(): starting");
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spdlog::info(Tier0::CommandLine()->GetCmdLine());
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// initialise engine
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g_pEngine->Frame();
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// add +map if not present
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// don't manually execute this from cbuf as users may have it in their startup args anyway, easier just to run from stuffcmds if present
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if (!Tier0::CommandLine()->CheckParm("+map"))
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Tier0::CommandLine()->AppendParm("+map", g_pCVar->FindVar("match_defaultMap")->GetString());
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// re-run commandline
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Cbuf_AddText(Cbuf_GetCurrentPlayer(), "stuffcmds", cmd_source_t::kCommandSrcCode);
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Cbuf_Execute();
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// get tickinterval
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ConVar* Cvar_base_tickinterval_mp = g_pCVar->FindVar("base_tickinterval_mp");
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// main loop
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double frameTitle = 0;
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while (g_pEngine->m_nQuitting == EngineQuitState::QUIT_NOTQUITTING)
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{
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double frameStart = Tier0::Plat_FloatTime();
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g_pEngine->Frame();
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std::this_thread::sleep_for(std::chrono::duration<double, std::ratio<1>>(
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Cvar_base_tickinterval_mp->GetFloat() - fmin(Tier0::Plat_FloatTime() - frameStart, 0.25)));
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}
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}
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// use server presence to update window title
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class DedicatedConsoleServerPresence : public ServerPresenceReporter
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{
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void ReportPresence(const ServerPresence* pServerPresence) override
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{
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SetConsoleTitleA(fmt::format(
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"{} - {} {}/{} players ({})",
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pServerPresence->m_sServerName,
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pServerPresence->m_MapName,
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pServerPresence->m_iPlayerCount,
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pServerPresence->m_iMaxPlayers,
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pServerPresence->m_PlaylistName)
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.c_str());
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}
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};
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HANDLE consoleInputThreadHandle = NULL;
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DWORD WINAPI ConsoleInputThread(PVOID pThreadParameter)
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{
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while (!g_pEngine || !g_pHostState || g_pHostState->m_iCurrentState != HostState_t::HS_RUN)
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Sleep(1000);
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// Bind stdin to receive console input.
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FILE* fp = nullptr;
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freopen_s(&fp, "CONIN$", "r", stdin);
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spdlog::info("Ready to receive console commands.");
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{
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// Process console input
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std::string input;
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while (g_pEngine && g_pEngine->m_nQuitting == EngineQuitState::QUIT_NOTQUITTING && std::getline(std::cin, input))
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{
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input += "\n";
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Cbuf_AddText(Cbuf_GetCurrentPlayer(), input.c_str(), cmd_source_t::kCommandSrcCode);
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TryPrintCvarHelpForCommand(input.c_str()); // this needs to be done on main thread, unstable in this one
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}
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}
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return 0;
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}
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// clang-format off
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AUTOHOOK(IsGameActiveWindow, engine.dll + 0x1CDC80,
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bool,, ())
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// clang-format on
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{
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return true;
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}
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ON_DLL_LOAD_DEDI_RELIESON("engine.dll", DedicatedServer, ServerPresence, (CModule module))
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{
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spdlog::info("InitialiseDedicated");
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AUTOHOOK_DISPATCH_MODULE("engine.dll")
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// Host_Init
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// prevent a particle init that relies on client dll
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module.Offset(0x156799).NOP(5);
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// Host_Init
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// don't call Key_Init to avoid loading some extra rsons from rpak (will be necessary to boot if we ever wanna disable rpaks entirely on
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// dedi)
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module.Offset(0x1565B0).NOP(5);
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{
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// CModAppSystemGroup::Create
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// force the engine into dedicated mode by changing the first comparison to IsServerOnly to an assignment
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MemoryAddress base = module.Offset(0x1C4EBD);
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// cmp => mov
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base.Offset(1).Patch("C6 87");
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// 00 => 01
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base.Offset(7).Patch("01");
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}
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// Some init that i'm not sure of that crashes
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// nop the call to it
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module.Offset(0x156A63).NOP(5);
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// runframeserver
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// nop some access violations
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module.Offset(0x159819).NOP(17);
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module.Offset(0x156B4C).NOP(7);
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// previously patched these, took me a couple weeks to figure out they were the issue
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// removing these will mess up register state when this function is over, so we'll write HS_RUN to the wrong address
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// so uhh, don't do that
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// NSMem::NOP(ea + 0x156B4C + 7, 8);
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module.Offset(0x156B4C).Offset(15).NOP(9);
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// HostState_State_NewGame
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// nop an access violation
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module.Offset(0xB934C).NOP(9);
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// CEngineAPI::Connect
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// remove call to Shader_Connect
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module.Offset(0x1C4D7D).NOP(5);
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// Host_Init
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// remove call to ui loading stuff
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module.Offset(0x156595).NOP(5);
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// some function that gets called from RunFrameServer
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// nop a function that makes requests to stryder, this will eventually access violation if left alone and isn't necessary anyway
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module.Offset(0x15A0BB).NOP(5);
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// RunFrameServer
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// nop a function that access violations
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module.Offset(0x159BF3).NOP(5);
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// func that checks if origin is inited
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// always return 1
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module.Offset(0x183B70).Patch("B0 01 C3"); // mov al,01 ret
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// HostState_State_ChangeLevel
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// nop clientinterface call
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module.Offset(0x1552ED).NOP(16);
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// HostState_State_ChangeLevel
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// nop clientinterface call
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module.Offset(0x155363).NOP(16);
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// IVideoMode::CreateGameWindow
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// nop call to ShowWindow
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module.Offset(0x1CD146).NOP(5);
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CDedicatedExports* dedicatedExports = new CDedicatedExports;
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dedicatedExports->vtable = dedicatedExports;
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dedicatedExports->Sys_Printf = Sys_Printf;
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dedicatedExports->RunServer = RunServer;
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*module.Offset(0x13F0B668).As<CDedicatedExports**>() = dedicatedExports;
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// extra potential patches:
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// nop engine.dll+1c67d1 and +1c67d8 to skip videomode creategamewindow
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// also look into launcher.dll+d381, seems to cause renderthread to get made
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// this crashes HARD if no window which makes sense tbh
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// also look into materialsystem + 5B344 since it seems to be the base of all the renderthread stuff
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// big note: datatable gets registered in window creation
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// make sure it still gets registered
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// add cmdline args that are good for dedi
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Tier0::CommandLine()->AppendParm("-nomenuvid", 0);
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Tier0::CommandLine()->AppendParm("-nosound", 0);
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Tier0::CommandLine()->AppendParm("-windowed", 0);
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Tier0::CommandLine()->AppendParm("-nomessagebox", 0);
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Tier0::CommandLine()->AppendParm("+host_preload_shaders", "0");
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Tier0::CommandLine()->AppendParm("+net_usesocketsforloopback", "1");
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// use presence reporter for console title
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DedicatedConsoleServerPresence* presenceReporter = new DedicatedConsoleServerPresence;
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g_pServerPresence->AddPresenceReporter(presenceReporter);
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// Disable Quick Edit mode to reduce chance of user unintentionally hanging their server by selecting something.
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if (!Tier0::CommandLine()->CheckParm("-bringbackquickedit"))
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{
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HANDLE stdIn = GetStdHandle(STD_INPUT_HANDLE);
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DWORD mode = 0;
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if (GetConsoleMode(stdIn, &mode))
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{
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if (mode & ENABLE_QUICK_EDIT_MODE)
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{
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mode &= ~ENABLE_QUICK_EDIT_MODE;
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mode &= ~ENABLE_MOUSE_INPUT;
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mode |= ENABLE_PROCESSED_INPUT;
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SetConsoleMode(stdIn, mode);
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}
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}
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}
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else
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spdlog::info("Quick Edit enabled by user request");
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// create console input thread
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if (!Tier0::CommandLine()->CheckParm("-noconsoleinput"))
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consoleInputThreadHandle = CreateThread(0, 0, ConsoleInputThread, 0, 0, NULL);
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else
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spdlog::info("Console input disabled by user request");
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}
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ON_DLL_LOAD_DEDI("tier0.dll", DedicatedServerOrigin, (CModule module))
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{
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// disable origin on dedicated
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// for any big ea lawyers, this can't be used to play the game without origin, game will throw a fit if you try to do anything without
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// an origin id as a client for dedi it's fine though, game doesn't care if origin is disabled as long as there's only a server
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module.GetExport("Tier0_InitOrigin").Patch("C3");
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}
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// clang-format off
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AUTOHOOK(PrintSquirrelError, server.dll + 0x794D0,
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void, __fastcall, (void* sqvm))
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// clang-format on
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{
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PrintSquirrelError(sqvm);
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// close dedicated server if a fatal error is hit
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static ConVar* Cvar_fatal_script_errors = g_pCVar->FindVar("fatal_script_errors");
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if (Cvar_fatal_script_errors->GetBool())
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abort();
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}
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ON_DLL_LOAD_DEDI("server.dll", DedicatedServerGameDLL, (CModule module))
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{
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AUTOHOOK_DISPATCH_MODULE(server.dll)
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if (Tier0::CommandLine()->CheckParm("-nopakdedi"))
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{
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module.Offset(0x6BA350).Patch("C3"); // dont load skins.rson from rpak if we don't have rpaks, as loading it will cause a crash
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module.Offset(0x6BA300).Patch(
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"B8 C8 00 00 00 C3"); // return 200 as the number of skins from server.dll + 6BA300, this is the normal value read from
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// skins.rson and should be updated when we need it more modular
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}
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}
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