From 802d8bcc8fc33fed263b98590373a3bacaa19a9c Mon Sep 17 00:00:00 2001
From: Mr_Goldberg <gold@berg>
Date: Tue, 6 Sep 2022 13:30:20 -0400
Subject: [PATCH] More accurate SetLobbyData.

---
 dll/steam_matchmaking.h | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/dll/steam_matchmaking.h b/dll/steam_matchmaking.h
index 66a268c..94bd026 100644
--- a/dll/steam_matchmaking.h
+++ b/dll/steam_matchmaking.h
@@ -809,17 +809,20 @@ bool SetLobbyData( CSteamID steamIDLobby, const char *pchKey, const char *pchVal
     std::lock_guard<std::recursive_mutex> lock(global_mutex);
 
     Lobby *lobby = get_lobby(steamIDLobby);
-    if (!lobby || lobby->owner() != settings->get_local_steam_id().ConvertToUint64() || lobby->deleted()) {
+    if (!lobby || lobby->deleted()) {
         return false;
     }
 
-    auto result = caseinsensitive_find(lobby->values(), pchKey);
     bool changed = true;
-    if (result == lobby->values().end()) {
-        (*lobby->mutable_values())[pchKey] = pchValue;
-    } else {
-        if (result->second == std::string(pchValue)) changed = false;
-        (*lobby->mutable_values())[result->first] = pchValue;
+    //callback is always triggered when setlobbydata is called from non owner however no data is actually changed.
+    if (lobby->owner() == settings->get_local_steam_id().ConvertToUint64()) {
+        auto result = caseinsensitive_find(lobby->values(), pchKey);
+        if (result == lobby->values().end()) {
+            (*lobby->mutable_values())[pchKey] = pchValue;
+        } else {
+            if (result->second == std::string(pchValue)) changed = false;
+            (*lobby->mutable_values())[result->first] = pchValue;
+        }
     }
 
     if (changed)