From 3a46bff5eee26199c3d068bbe587179301bf1c67 Mon Sep 17 00:00:00 2001
From: Kawe Mazidjatari <48657826+Mauler125@users.noreply.github.com>
Date: Sun, 24 Apr 2022 19:34:14 +0200
Subject: [PATCH] Don't update material system configs on the dedicated server

---
 r5dev/common/opcodes.cpp | 1 +
 r5dev/common/opcodes.h   | 3 +++
 r5dev/common/sdkdefs.h   | 1 +
 3 files changed, 5 insertions(+)

diff --git a/r5dev/common/opcodes.cpp b/r5dev/common/opcodes.cpp
index 3004066f..1171ba06 100644
--- a/r5dev/common/opcodes.cpp
+++ b/r5dev/common/opcodes.cpp
@@ -301,6 +301,7 @@ void Dedicated_Init()
 	//-------------------------------------------------------------------------
 	// 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).
diff --git a/r5dev/common/opcodes.h b/r5dev/common/opcodes.h
index 2917c90f..6cbfdefb 100644
--- a/r5dev/common/opcodes.h
+++ b/r5dev/common/opcodes.h
@@ -71,6 +71,7 @@ inline CMemory Server_S2C_CONNECT_1;
 // RUNTIME: GAME_CFG
 //-------------------------------------------------------------------------
 inline CMemory UpdateCurrentVideoConfig;
+inline CMemory UpdateMaterialSystemConfig;
 inline CMemory HandleConfigFile;
 inline CMemory ResetPreviousGameState;
 inline CMemory LoadPlayerConfig;
@@ -113,6 +114,7 @@ class HOpcodes : public IDetour
 		std::cout << "+----------------------------------------------------------------+" << std::endl;
 		std::cout << "| FUN: Server_S2C_CONNECT_1                 : 0x" << std::hex << std::uppercase << Server_S2C_CONNECT_1.GetPtr()                << std::setw(nPad) << " |" << std::endl;
 		std::cout << "+----------------------------------------------------------------+" << std::endl;
+		std::cout << "| FUN: UpdateMaterialSystemConfig           : 0x" << std::hex << std::uppercase << UpdateMaterialSystemConfig.GetPtr()          << std::setw(nPad) << " |" << std::endl;
 		std::cout << "| FUN: UpdateCurrentVideoConfig             : 0x" << std::hex << std::uppercase << UpdateCurrentVideoConfig.GetPtr()            << std::setw(nPad) << " |" << std::endl;
 		std::cout << "| FUN: HandleConfigFile                     : 0x" << std::hex << std::uppercase << HandleConfigFile.GetPtr()                    << std::setw(nPad) << " |" << std::endl;
 		std::cout << "| FUN: ResetPreviousGameState               : 0x" << std::hex << std::uppercase << ResetPreviousGameState.GetPtr()              << std::setw(nPad) << " |" << std::endl;
@@ -197,6 +199,7 @@ class HOpcodes : public IDetour
 #endif // !CLIENT_DLL
 
 		//-------------------------------------------------------------------------
+		UpdateMaterialSystemConfig = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x00\x57\x48\x83\xEC\x20\x80\x3D\x00\x00\x00\x00\x00\x0F\x84\x00\x00\x00\x00"), "xxxx?xxxxxxx?????xx????");
 		UpdateCurrentVideoConfig = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x40\x55\x00\x41\x56\x48\x8D\xAC\x24\x00\x00\x00\x00\x48\x81\xEC\x00\x00\x00\x00\x48\x8B\x05\x00\x00\x00\x00\x4C\x8B\xF1"), "xx?xxxxxx????xxx????xxx????xxx");
 		HandleConfigFile = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x40\x56\x48\x81\xEC\x00\x00\x00\x00\x8B\xF1"), "xxxxx????xx");
 		ResetPreviousGameState = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\xE8\x00\x00\x00\x00\x44\x89\x3D\x00\x00\x00\x00\x00\x8B\x00\x24\x00"), "x????xxx?????x?x?").ResolveRelativeAddressSelf(0x1, 0x5);
diff --git a/r5dev/common/sdkdefs.h b/r5dev/common/sdkdefs.h
index b73e79ee..0fedf02b 100644
--- a/r5dev/common/sdkdefs.h
+++ b/r5dev/common/sdkdefs.h
@@ -5,6 +5,7 @@
 using std::pair;
 using std::regex;
 using std::string;
+using std::wstring;
 using std::vector;
 using std::fstream;
 using std::ifstream;