/*-----------------------------------------------------------------------------
* _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"
#ifndef CLIENT_DLL
#include "game/server/ai_networkmanager.h"
#include "game/server/fairfight_impl.h"
#endif // !CLIENT_DLL
#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 data type 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 satisfy 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_GameDll.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 nullptr.
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_Rui_LoadAsset.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.
}
//-------------------------------------------------------------------------
// CENGINEVGUI
//-------------------------------------------------------------------------
{
CInputSystem__RunFrameIME.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early in 'CInputSystem::RunFrameIME()'.
}
//-------------------------------------------------------------------------
// 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
//-------------------------------------------------------------------------
{
p_Host_Init.Offset(0xC2).Patch({ 0xEB, 0x34 }); // CAL --> NOP | Disable 'vpk/client_common.bsp' loading.
p_Host_Init.Offset(0x182).Patch({ 0x90, 0x90, 0x90, 0x90, 0x90 }); // CAL --> JMP | Disable UI material asset initialization.
p_Host_Init.Offset(0x859).Patch({ 0xE9, 0x19, 0x04, 0x00, 0x00 }); // LEA --> RET | Disable 'client.dll' library initialization.
p_Host_Init.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
//-------------------------------------------------------------------------
{
//GetEngineClientThread.Offset(0x0).Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return nullptr for mp_gamemode thread assignment during registration callback.
}
//-------------------------------------------------------------------------
// RUNTIME: MATCHMAKING
//-------------------------------------------------------------------------
{
MatchMaking_Frame.Patch({ 0xB8, 0x00, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early for 'MatchMaking_Frame()'.
}
{
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 server.
if (FileExists("vpk\\server_mp_common.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).FindPatternSelf("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.
#ifndef CLIENT_DLL
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.
#endif // !CLIENT_DLL
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)
#ifndef CLIENT_DLL
//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 // !CLIENT_DLL
#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
vector<uint8_t> starPakOpenFile = {
0x4D, 0x31, 0xC0, // xor, r8, r8
0x48, 0x8D, 0x8C, 0x24, 0x90, 0x00, 0x00, 0x00, // lea rcx, [rsp+378h+90h] FileName
// call RTech::OpenFile [RIP+RVA]
#if defined (GAMEDLL_S0)
0xE8, 0x87, 0x96, 0xFF, 0xFF,
#elif defined (GAMEDLL_S1)
0xE8, 0x27, 0x95, 0xFF, 0xFF,
#elif defined (GAMEDLL_S2)
0xE8, 0x97, 0x95, 0xFF, 0xFF,
#elif defined (GAMEDLL_S3)
0xE8, 0x77, 0x8F, 0xFF, 0xFF,
#endif
0x8B, 0xF8, // mov edi, eax
// jmp [RIP+RVA]
#if defined (GAMEDLL_S0) || defined(GAMEDLL_S1)
0xE9, 0xDC, 0x00, 0x00, 0x00
#elif defined (GAMEDLL_S2) || defined(GAMEDLL_S3)
0xE9, 0xDA, 0x00, 0x00, 0x00
#endif
};
p_CPakFile_LoadPak_OpenFileOffset.Patch(starPakOpenFile);
}