r5sdk/r5dev/common/opcodes.cpp
Kawe Mazidjatari 853dd03f84 Remove additional overhead from dedicated server
This should reduce CPU time even more (2 whole frame loops for chat room (client only) and discord presence (client only)).

Idle mem has been reduced by .8MiB.
2022-05-21 01:57:21 +02:00

360 lines
25 KiB
C++

/*-----------------------------------------------------------------------------
* _opcodes.cpp
*-----------------------------------------------------------------------------*/
#include "core/stdafx.h"
#include "launcher/IApplication.h"
#include "common/opcodes.h"
#include "common/netmessages.h"
#include "engine/cmodel_bsp.h"
#include "engine/host.h"
#include "engine/host_cmd.h"
#include "engine/gl_screen.h"
#include "engine/gl_matsysiface.h"
#include "engine/modelloader.h"
#include "engine/server/sv_main.h"
#include "engine/client/cl_main.h"
#include "engine/client/client.h"
#include "engine/client/clientstate.h"
#include "engine/sys_getmodes.h"
#include "game/server/ai_networkmanager.h"
#include "game/server/fairfight_impl.h"
#include "rtech/rtech_game.h"
#include "rtech/rui/rui.h"
#include "client/cdll_engine_int.h"
#include "materialsystem/cmaterialsystem.h"
#include "studiorender/studiorendercontext.h"
#include "squirrel/sqvm.h"
#include "bsplib/bsplib.h"
#include "ebisusdk/EbisuSDK.h"
#ifndef DEDICATED
#include "milessdk/win64_rrthreads.h"
#endif // !DEDICATED
#ifdef DEDICATED
//-------------------------------------------------------------------------
// Purpose: change runtime behavior
//-------------------------------------------------------------------------
void Dedicated_Init()
{
*s_bDedicated = true;
//-------------------------------------------------------------------------
// CGAME
//-------------------------------------------------------------------------
{
p_CVideoMode_Common__CreateGameWindow.Offset(0x2C).Patch({ 0xE9, 0x9A, 0x00, 0x00, 0x00 }); // PUS --> XOR | Prevent ShowWindow and CreateGameWindow from being initialized (STGS RPak datatype is registered here).
p_CVideoMode_Common__CreateWindowClass.Offset(0x0).Patch({ 0xB8, 0x01, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Prevent CreateWindowClass from being initialized (returned true to satisy condition that checks window handle).
}
//-------------------------------------------------------------------------
// CHLCLIENT
//-------------------------------------------------------------------------
{
p_CHLClient_LevelShutdown.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early in 'CHLClient::LevelShutdown()' during DLL shutdown.
p_CHLClient_HudProcessInput.Patch({ 0xC3 }); // FUN --> RET | Return early in 'CHLClient::HudProcessInput()' to prevent infinite loop.
g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>( // MOV --> JMP | Skip virtual call during settings layout parsing (S0/S1/S2/S3).
"\x41\x85\xC8\x0F\x84"), "xxxxx").Offset(0x40).Patch({ 0xEB, 0x23 });
}
//-------------------------------------------------------------------------
// CCLIENTSTATE
//-------------------------------------------------------------------------
{
/*MOV EAX, 0*/
p_CClientState__RunFrame.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Always return false for pending client snapshots (inline CClientState call in '_Host_RunFrame()')
p_CClientState__Disconnect.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Always return false for keeping client persistent data after disconnect (CLIENT ONLY).
}
//-------------------------------------------------------------------------
// CSOURCEAPPSYSTEMGROUP
//-------------------------------------------------------------------------
{
p_CSourceAppSystemGroup__Create.Offset(0x248).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | inputSystem->Connect().
p_CSourceAppSystemGroup__Create.Offset(0x267).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | materials->Connect().
//p_CSourceAppSystemGroup__Create.Offset(0x286).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | mdlCache->Connect().
p_CSourceAppSystemGroup__Create.Offset(0x2A5).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | studioRender->Connect().
p_CSourceAppSystemGroup__Create.Offset(0x2C4).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | avi->Connect().
p_CSourceAppSystemGroup__Create.Offset(0x2E3).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | engineAPI->Connect().
//p_CSourceAppSystemGroup__Create.Offset(0x302).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | dataCache->Connect().
p_CSourceAppSystemGroup__Create.Offset(0x321).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | matSystemSurface->Connect().
p_CSourceAppSystemGroup__Create.Offset(0x340).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | vgui->Connect().
p_CSourceAppSystemGroup__Create.Offset(0x35D).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | inputSystem->Init().
p_CSourceAppSystemGroup__Create.Offset(0x384).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | studioRender->Init().
p_CSourceAppSystemGroup__Create.Offset(0x391).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | avi->Init().
p_CSourceAppSystemGroup__Create.Offset(0x39E).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | bik->Init().
p_CSourceAppSystemGroup__Create.Offset(0x3AB).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | engineAPI->Init().
p_CSourceAppSystemGroup__Create.Offset(0x3F6).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | vgui->Init().
p_CSourceAppSystemGroup__Create.Offset(0x3E9).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | matEmbeddedPanel->Init().
p_CSourceAppSystemGroup__Create.Offset(0x3F9).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | EAC_ClientInterface_Init().
}
//-------------------------------------------------------------------------
// CMATERIALSYSTEM
//-------------------------------------------------------------------------
{
//gCMaterialSystem__MatsysMode_Init.Offset(0x22).Patch({ 0xEB, 0x66 }); // JE --> JMP | Matsys mode init (CMaterialSystem). // TODO: Needed?
p_CMaterialSystem__Init.Offset(0x406).Patch({ 0xE9, 0x55, 0x05, 0x00, 0x00 }); // MOV --> JMP | Jump over material KeyValue definitions and 'CMatRenderContextBase::sm_RenderData([x])'.
p_InitMaterialSystem.Patch({ 0xC3 }); // FUN --> RET | Return early to prevent 'InitDebugMaterials' from being executed. // RESEARCH NEEDED.
}
//-------------------------------------------------------------------------
// CSHADERSYSTEM
//-------------------------------------------------------------------------
{
CShaderSystem__Init.Patch({ 0xC3 }); // FUN --> RET | Return early in 'CShaderSystem::Init()' to prevent initialization.
}
//-------------------------------------------------------------------------
// CSTUDIORENDERCONTEXT
//-------------------------------------------------------------------------
{
// Note: The registers here seems to contains pointers to material data and 'CMaterial' class methods when the shader system is initialized.
CStudioRenderContext__LoadModel.Offset(0x17D).Patch({ 0x90, 0x90, 0x90, 0x90 }); // MOV --> NOP | RAX + RCX are both nullptrs.
CStudioRenderContext__LoadModel.Offset(0x181).Patch({ 0x90, 0x90, 0x90 }); // MOV --> NOP | RCX is nullptr when trying to dereference.
CStudioRenderContext__LoadModel.Offset(0x184).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | RAX is nullptr during virtual call resulting in exception 'C0000005'.
CStudioRenderContext__LoadMaterials.Offset(0x28).Patch({ 0xE9, 0x80, 0x04, 0x00, 0x00 }); // FUN --> RET | 'CStudioRenderContext::LoadMaterials' is called virtually by the 'RMDL' streaming job.
}
//-------------------------------------------------------------------------
// CMODELLOADER
//-------------------------------------------------------------------------
{
p_CModelLoader__LoadModel.Offset(0x462).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Prevent call to 'CStudioRenderContext::LoadMaterials'.
p_CModelLoader__UnloadModel.Offset(0x129).Patch({ 0x90, 0x90, 0x90 }); // MOV --> NOP | Virtual call to 'CShaderSystem' class method fails as RCX is nullptr.
p_CModelLoader__UnloadModel.Offset(0x12C).Patch({ 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to 'CTexture' class member in RAX + 0x78 fails. Previous instruction could not dereference.
p_CModelLoader__Studio_LoadModel.Offset(0x325).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to 'CMaterialSystem::FindMaterialEx' fails as RAX is nullptr.
p_CModelLoader__Studio_LoadModel.Offset(0x33D).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to 'CMaterialGlue' class method fails as RAX is nullptr.
p_CModelLoader__Studio_LoadModel.Offset(0x359).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to 'CMaterialGlue' class method fails as RAX is nullptr.
p_CModelLoader__Studio_LoadModel.Offset(0x374).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to 'CMaterialGlue' class method fails as RAX is nullptr.
p_CModelLoader__Studio_LoadModel.Offset(0x38D).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to 'ReturnZero' fails as RAX is nullptr.
p_CModelLoader__Studio_LoadModel.Offset(0x3A4).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to 'CMaterialGlue' class method fails as RAX is nullptr.
p_CModelLoader__Map_LoadModelGuts.Offset(0x41).Patch({ 0xE9, 0x4F, 0x04, 0x00, 0x00 }); // JNE --> NOP | SKYLIGHTS.
p_CModelLoader__Map_LoadModelGuts.Offset(0x974).Patch({ 0x90, 0x90 }); // JE --> NOP | VERTNORMALS.
p_CModelLoader__Map_LoadModelGuts.Offset(0xA55).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | MATERIALSORTS.
p_CModelLoader__Map_LoadModelGuts.Offset(0xA62).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | MESHBOUNDS.
p_CModelLoader__Map_LoadModelGuts.Offset(0xA83).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | MESHVERTS.
p_CModelLoader__Map_LoadModelGuts.Offset(0xAC0).Patch({ 0x90, 0x90 }); // JE --> NOP | INDICES.
p_CModelLoader__Map_LoadModelGuts.Offset(0xBF2).Patch({ 0x90, 0x90 }); // JE --> NOP | WORLDLIGHTS.
p_CModelLoader__Map_LoadModelGuts.Offset(0xDA9).Patch({ 0x90, 0x90 }); // JE --> NOP | TWEAKLIGHTS.
p_CModelLoader__Map_LoadModelGuts.Offset(0xEEB).Patch({ 0xE9, 0x3D, 0x01, 0x00, 0x00 }); // JLE --> JMP | Exception 0x57 in while trying to dereference [R15 + R14 *8 + 0x10].
p_CModelLoader__Map_LoadModelGuts.Offset(0x61B).Patch({ 0xE9, 0xE2, 0x02, 0x00, 0x00 }); // JZ --> JMP | Prevent call to 'CMod_LoadTextures()'.
p_CModelLoader__Map_LoadModelGuts.Offset(0x1045).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Prevent call to 'Mod_LoadCubemapSamples()'.
p_BuildSpriteLoadName.Patch({ 0xC3 }); // FUN --> RET | Return early in 'BuildSpriteLoadName()'.
p_GetSpriteInfo.Patch({ 0xC3 }); // FUN --> RET | Return early in 'GetSpriteInfo()'.
}
//-------------------------------------------------------------------------
// CGAMESERVER
//-------------------------------------------------------------------------
{
p_CGameServer__SpawnServer.Offset(0x43).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Prevent call to unknown material/shader code.
p_CGameServer__SpawnServer.Offset(0x48).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | TODO: Research 'CIVDebugOverlay'.
}
//-------------------------------------------------------------------------
// CVGUI
//-------------------------------------------------------------------------
{
/*MOV EAX, 0*/
CVGui__RunFrame.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | 'CVGui::RunFrame()' gets called on DLL shutdown.
}
//-------------------------------------------------------------------------
// CRUI
//-------------------------------------------------------------------------
{
/*MOV EAX, 0*/
p_RuiLoadAsset.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early in RuiLoadAsset() to prevent error while attempting to load RUI assets after applying player settings.
}
//-------------------------------------------------------------------------
// CENGINEVGUI
//-------------------------------------------------------------------------
{
CEngineVGui__Shutdown.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Cannot shutdown CEngineVGui if its never initialized.
CEngineVGui__ActivateGameUI.FindPatternSelf("74 08", CMemory::Direction::DOWN).Patch({ 0x90, 0x90 }); // JZ --> NOP | Remove condition to return early when engine attempts to activate UI on the server.
}
//-------------------------------------------------------------------------
// MM_HEARTBEAT
//-------------------------------------------------------------------------
{
MM_Heartbeat__ToString.Offset(0xF).Patch({ 0xE9, 0x22, 0x01, 0x00, 0x00 }); // JS --> JMP | Skip ListenServer HeartBeat.
}
//-------------------------------------------------------------------------
// RUNTIME: SYS_INITGAME
//-------------------------------------------------------------------------
{
Sys_InitGame.Offset(0x70).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // STZNZ --> NOP | Prevent 'bDedicated' from being set to false.
}
//-------------------------------------------------------------------------
// RUNTIME: HOST_INIT
//-------------------------------------------------------------------------
{
gHost_Init_0.Offset(0xC2).Patch({ 0xEB, 0x34 }); // CAL --> NOP | Disable 'vpk/client_common.bsp' loading.
gHost_Init_0.Offset(0x182).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> JMP | Disable UI material asset initialization.
gHost_Init_0.Offset(0x859).Patch({ 0xE9, 0x19, 0x04, 0x00, 0x00 }); // LEA --> RET | Disable 'client.dll' library initialization.
gHost_Init_0.Offset(0xC77).Patch({ 0xE8, 0x44, 0xCF, 0xFF, 0xFF }); // CAL --> CAL | Disable user config loading and call entitlements.rson initialization instead.
gHost_Init_1.Offset(0x564).Patch({ 0xEB }); // JNZ --> JMP | Skip chat room and discord presence thread creation [!TODO: set global boolean instead].
gHost_Init_1.Offset(0x609).Patch({ 0xEB, 0x2B }); // JE --> JMP | Skip client.dll 'Init_PostVideo()' validation code.
gHost_Init_1.Offset(0x621).Patch({ 0xEB, 0x0C }); // JNE --> JMP | Skip client.dll 'Init_PostVideo()' validation code.
gHost_Init_1.Offset(0x658).Patch({ 0xE9, 0x8C, 0x00, 0x00, 0x00 }); // JE --> JMP | Skip NULL call as client is never initialized.
gHost_Init_1.Offset(0x6E9).Patch({ 0xE9, 0xB0, 0x00, 0x00, 0x00 }); // JNE --> JMP | Skip shader preloading as cvar can't be checked due to client being NULL.
gHost_Init_2.Offset(0x26F).Patch({ 0xE9, 0x4D, 0x05, 0x00, 0x00 }); // JNE --> JMP | client.dll systems initialization.
}
//-------------------------------------------------------------------------
// RUNTIME: HOST_SHUTDOWN
//-------------------------------------------------------------------------
{
#if defined (GAMEDLL_S0) || defined (GAMEDLL_S1)
Host_Shutdown.Offset(0x1F0).FindPatternSelf("7E", CMemory::Direction::DOWN).Patch({ 0xE9, 0x01, 0x08, 0x00, 0x00 }); // JNE --> JMP | Jump over inline 'Host_ShutdownClient()' ('Host_ShutdownServer' in now inline with 'Host_Shutdown()')
#elif defined (GAMEDLL_S2) || defined (GAMEDLL_S3)
Host_Shutdown.Offset(0x1F0).FindPatternSelf("7E", CMemory::Direction::DOWN).Patch({ 0xE9, 0xF9, 0x04, 0x00, 0x00 }); // JNE --> JMP | Jump over inline 'Host_ShutdownClient()' ('Host_ShutdownServer' in now inline with 'Host_Shutdown()')
#endif // 0x700
}
//-------------------------------------------------------------------------
// RUNTIME: HOST_NEWGAME
//-------------------------------------------------------------------------
{
p_Host_NewGame.Offset(0x50).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Invalid CHLClient virtual call 'g_pHLClient->nullsub()'.
p_Host_NewGame.Offset(0x4E0).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Matsys 'JT_HelpWithAnything()'.
}
//-------------------------------------------------------------------------
// RUNTIME: HOST_CHANGELEVEL
//-------------------------------------------------------------------------
{
p_Host_ChangeLevel.Offset(0x5D).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Invalid CHLClient virtual call 'g_pHLClient->nullsub()'.
}
//-------------------------------------------------------------------------
// RUNTIME: _HOST_RUNFRAME
//-------------------------------------------------------------------------
{
p_Host_RunFrame.Offset(0xB85).Patch({ 0xEB, 0x6F }); // CMP --> JMP | Jump over inline '_Host_RunFrame_Client()'
p_Host_RunFrame_Render.Patch({ 0xC3 }); // FUN --> RET | Extraneous function for Dedicated.
p_VCR_EnterPausedState.Patch({ 0xC3 }); // FUN --> RET | Extraneous function for Dedicated.
}
//-------------------------------------------------------------------------
// RUNTIME: HOST_DISCONNECT
//-------------------------------------------------------------------------
{
#if defined (GAMEDLL_S2) || defined (GAMEDLL_S3)
Host_Disconnect.Offset(0x4A).FindPatternSelf("FF 90 80", CMemory::Direction::DOWN, 300).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, }); // CAL --> RET | This seems to call 'CEngineVGui::GetGameUIInputContext()'.
#endif
}
//-------------------------------------------------------------------------
// RUNTIME: RTECH_GAME
//-------------------------------------------------------------------------
{
#if defined (GAMEDLL_S2) || defined (GAMEDLL_S3)
p_CPakFile_LoadPak.Offset(0x890).FindPatternSelf("75", CMemory::Direction::DOWN, 200).Patch({ 0xEB }); // JNZ --> JMP | Disable error handling for missing streaming files on the server. The server does not need streamed data from the starpak files.
#endif
}
//-------------------------------------------------------------------------
// RUNTIME: EBISUSDK
//-------------------------------------------------------------------------
{
p_EbisuSDK_SetState.Offset(0x0).FindPatternSelf("0F 84", CMemory::Direction::DOWN).Patch({ 0x0F, 0x85 }); // JE --> JNZ | Prevent EbisuSDK from initializing on the engine and server.
}
//-------------------------------------------------------------------------
// RUNTIME: FAIRFIGHT
//-------------------------------------------------------------------------
{
FairFight_Init.Offset(0x0).FindPatternSelf("0F 87", CMemory::Direction::DOWN, 200).Patch({ 0x0F, 0x85 }); // JA --> JNZ | Prevent 'FairFight' anti-cheat from initializing on the server by comparing RAX against 0x0 instead. Init will crash since the plugins aren't shipped.
}
//-------------------------------------------------------------------------
// RUNTIME: PROP_STATIC
//-------------------------------------------------------------------------
{
// Note: At [14028F3B0 + 0x5C7] RSP seems to contain a block of pointers to data for the static prop rmdl in question. [RSP + 0x70] is a pointer to (what seems to be) shader/material data. The pointer will be NULL without a shader system.
p_BuildPropStaticFrustumCullMap.Offset(0x5E0).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // MOV --> NOP | RSP + 0x70 is a nullptr which gets moved to R13, R13 gets used here resulting in exception 'C0000005'.
p_BuildPropStaticFrustumCullMap.Offset(0x5EB).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | RAX is nullptr during virtual call resulting in exception 'C0000005'.
}
//-------------------------------------------------------------------------
// RUNTIME: GL_SCREEN
//-------------------------------------------------------------------------
{
SCR_BeginLoadingPlaque.Patch({ 0xC3 }); // FUN --> RET | Return early to prevent execution of 'SCR_BeginLoadingPlaque()'.
}
//-------------------------------------------------------------------------
// RUNTIME: CL_CLEARSTATE
//-------------------------------------------------------------------------
#if defined (GAMEDLL_S2) || defined (GAMEDLL_S3)
{
p_CL_ClearState.Offset(0x0).Patch({ 0xC3 }); // FUN --> RET | Invalid 'CL_ClearState()' call from Host_Shutdown causing segfault.
}
#endif
//-------------------------------------------------------------------------
// RUNTIME: GAME_CFG
//-------------------------------------------------------------------------
UpdateMaterialSystemConfig.Offset(0x0).Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early to prevent the server from updating material system configurations.
UpdateCurrentVideoConfig.Offset(0x0).Patch({ 0xB8, 0x01, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early to prevent the server from writing a videoconfig.txt file to the disk (overwriting the existing one).
HandleConfigFile.Offset(0x0).Patch({ 0xB8, 0x01, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early to prevent the server from writing various input and ConVar config files to the disk (overwriting the existing one).
ResetPreviousGameState.Offset(0x0).Patch({ 0xC3 }); // FUN --> RET | Return early to prevent the server from writing a previousgamestate.txt file to the disk (overwriting the existing one).
LoadPlayerConfig.Offset(0x0).Patch({ 0xC3 }); // FUN --> RET | Return early to prevent the server from executing 'config_default_pc.cfg' (execPlayerConfig) and (only for >S3) running 'chat_wheel' code.
//-------------------------------------------------------------------------
// RUNTIME: COMMUNITIES
//-------------------------------------------------------------------------
Community_Frame.Offset(0x0).Patch({ 0xC3 }); // FUN --> RET | Return early to prevent 'Community_Frame()' from being ran every frame on the server (CLIENT ONLY).
//GetEngineClientThread.Offset(0x0).Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return nullptr for mp_gamemode thread assignment during registration callback.
{
CWin32Surface_initStaticData.Patch({ 0xC3 }); // FUN --> RET | Prevent 'CWin32Surface::initStaticData()' from being ran in CInit.
#if !defined (GAMEDLL_S0) || !defined (GAMEDLL_S1)
KeyboardLayout_Init.Patch({ 0xC3 }); // FUN --> RET | Prevent keyboard layout initialization for IME in CInit.
#endif
}
// This mandatory pak file should only exist on the client.
if (!FileExists("vpk\\client_frontend.bsp.pak000_000.vpk"))
{
// Patch 'client' pak file string constants to 'server' if this is a standalone dedicated server.
g_pClientVPKDir.PatchString("vpk/%sserver_%s.bsp.pak000%s");
g_pClientBSP.PatchString("vpk/server_%s.bsp");
g_pClientCommonBSP.PatchString("vpk/server_mp_common.bsp");
g_pClientMPLobby.PatchString("vpk/server_mp_lobby");
g_pClientMP.PatchString("vpk/server_mp_");
g_pClientSP.PatchString("vpk/server_sp_");
}
}
#endif // DEDICATED
void RuntimePtc_Init() /* .TEXT */
{
#ifndef DEDICATED
p_WASAPI_GetAudioDevice.Offset(0x410).FindPattern("FF 15 ?? ?? 01 00", CMemory::Direction::DOWN, 100).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0xEB }); // CAL --> NOP | Disable debugger check when miles searches for audio device to allow attaching the debugger to the game upon launch.
FairFight_Init.Offset(0x0).FindPatternSelf("0F 87", CMemory::Direction::DOWN, 200).Patch({ 0x0F, 0x85 }); // JA --> JNZ | Prevent 'FairFight' anti-cheat from initializing on the server by comparing RAX against 0x0 instead. Init will crash since the plugins aren't shipped.
SCR_BeginLoadingPlaque.Offset(0x1AD).FindPatternSelf("75 27", CMemory::Direction::DOWN).Patch({ 0xEB, 0x27 }); // JNE --> JMP | Prevent connect command from crashing by invalid call to UI function.
p_SQVM_CompileError.Offset(0x0).FindPatternSelf("41 B0 01", CMemory::Direction::DOWN, 400).Patch({ 0x41, 0xB0, 0x00 }); // MOV --> MOV | Set script error level to 0 (not severe): 'mov r8b, 0'.
p_SQVM_CompileError.Offset(0xE0).FindPatternSelf("E8", CMemory::Direction::DOWN, 200).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | TODO: causes errors on client script error. Research required (same function as soft error but that one doesn't crash).
#else
p_SQVM_CompileError.Offset(0xE0).FindPatternSelf("E8", CMemory::Direction::DOWN, 200).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | For dedicated we should not perform post-error events such as telemetry / showing 'COM_ExplainDisconnection' UI etc.
#endif // !DEDICATED
#if defined (GAMEDLL_S2) || defined (GAMEDLL_S3)
p_CAI_NetworkManager__ShouldRebuild.Offset(0xA0).FindPatternSelf("FF ?? ?? ?? 00 00", CMemory::Direction::DOWN, 200).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> NOP | Virtual call to restart when building AIN (which clears the AIN memory). Remove this once writing to file works.
Detour_LevelInit.Offset(0x100).FindPatternSelf("74", CMemory::Direction::DOWN, 600).Patch({ 0xEB }); // JE --> JMP | Do while loop setting fields to -1 in navmesh is writing out of bounds (!TODO).
#endif
#ifndef CLIENT_DLL
Server_S2C_CONNECT_1.Offset(0x7).Patch({ 0xEB }); // JZ --> JMP | Prevent entitlement check to kick player from server on S2C_CONNECT Packet if it does not match the servers one.
#endif // !CLIENT_DLL
}