From f397f7364424b71e0b5a61fc7f7c4241f7e38282 Mon Sep 17 00:00:00 2001
From: otavepto <otavepto>
Date: Tue, 19 Dec 2023 16:48:07 +0200
Subject: [PATCH] add missing env var "SteamOverlayGameId" to steam_client and
 client_loader

---
 dll/settings_parser.cpp                 | 19 +++++++++++++++++--
 dll/steam_client.cpp                    |  2 ++
 steamclient_loader/ColdClientLoader.cpp |  1 +
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/dll/settings_parser.cpp b/dll/settings_parser.cpp
index 1257f072..afd69573 100644
--- a/dll/settings_parser.cpp
+++ b/dll/settings_parser.cpp
@@ -304,9 +304,12 @@ uint32 create_localstorage_settings(Settings **settings_client_out, Settings **s
     if (!appid) {
         std::string str_appid = get_env_variable("SteamAppId");
         std::string str_gameid = get_env_variable("SteamGameId");
-        PRINT_DEBUG("str_appid %s str_gameid: %s\n", str_appid.c_str(), str_gameid.c_str());
+        std::string str_overlay_gameid = get_env_variable("SteamOverlayGameId");
+        
+        PRINT_DEBUG("str_appid %s str_gameid: %s str_overlay_gameid: %s\n", str_appid.c_str(), str_gameid.c_str(), str_overlay_gameid.c_str());
         uint32 appid_env = 0;
         uint32 gameid_env = 0;
+        uint32 overlay_gameid = 0;
 
         if (str_appid.size() > 0) {
             try {
@@ -324,7 +327,15 @@ uint32 create_localstorage_settings(Settings **settings_client_out, Settings **s
             }
         }
 
-        PRINT_DEBUG("appid_env %u gameid_env: %u\n", appid_env, gameid_env);
+        if (str_overlay_gameid.size() > 0) {
+            try {
+                overlay_gameid = std::stoul(str_overlay_gameid);
+            } catch (...) {
+                overlay_gameid = 0;
+            }
+        }
+
+        PRINT_DEBUG("appid_env %u gameid_env: %u overlay_gameid: %u\n", appid_env, gameid_env, overlay_gameid);
         if (appid_env) {
             appid = appid_env;
         }
@@ -332,6 +343,10 @@ uint32 create_localstorage_settings(Settings **settings_client_out, Settings **s
         if (gameid_env) {
             appid = gameid_env;
         }
+
+        if (overlay_gameid) {
+            appid = overlay_gameid;
+        }
     }
 
     bool local_save = false;
diff --git a/dll/steam_client.cpp b/dll/steam_client.cpp
index 261e51f8..2ae8c16e 100644
--- a/dll/steam_client.cpp
+++ b/dll/steam_client.cpp
@@ -65,6 +65,7 @@ Steam_Client::Steam_Client()
     if (appid) {
         set_env_variable("SteamAppId", std::to_string(appid));
         set_env_variable("SteamGameId", std::to_string(appid));
+		set_env_variable("SteamOverlayGameId", std::to_string(appid));
     }
 
     steam_overlay = new Steam_Overlay(settings_client, callback_results_client, callbacks_client, run_every_runcb, network);
@@ -220,6 +221,7 @@ void Steam_Client::setAppID(uint32 appid)
         network->setAppID(appid);
         set_env_variable("SteamAppId", std::to_string(appid));
         set_env_variable("SteamGameId", std::to_string(appid));
+        set_env_variable("SteamOverlayGameId", std::to_string(appid));
     }
 
     
diff --git a/steamclient_loader/ColdClientLoader.cpp b/steamclient_loader/ColdClientLoader.cpp
index 6e790ab7..37a078f8 100644
--- a/steamclient_loader/ColdClientLoader.cpp
+++ b/steamclient_loader/ColdClientLoader.cpp
@@ -58,6 +58,7 @@ int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance
 	if (AppId[0]) {
 		SetEnvironmentVariableW(L"SteamAppId", AppId);
 		SetEnvironmentVariableW(L"SteamGameId", AppId);
+		SetEnvironmentVariableW(L"SteamOverlayGameId", AppId);
 	} else {
 		MessageBoxA(NULL, "You forgot to set the AppId.", "ColdClientLoader", MB_ICONERROR);
 		return 0;