From 95fc8ac687bde58a74a6bc269d1a5cf2ca501819 Mon Sep 17 00:00:00 2001
From: Mr_Goldberg <gold@berg>
Date: Sat, 7 May 2022 16:37:09 -0400
Subject: [PATCH] Send huge unreliable packets by TCP when they are too big.

---
 dll/network.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dll/network.cpp b/dll/network.cpp
index 892e4d6..3999b72 100644
--- a/dll/network.cpp
+++ b/dll/network.cpp
@@ -1153,6 +1153,9 @@ bool Networking::sendTo(Common_Message *msg, bool reliable, Connection *conn)
 {
     if (!enabled) return false;
 
+    size_t size = msg->ByteSizeLong();
+    if (size >= 65000) reliable = true; //too big for UDP
+
     bool ret = false;
     CSteamID dest_id((uint64)msg->dest_id());
     if (std::find(ids.begin(), ids.end(), dest_id) != ids.end()) {
@@ -1178,7 +1181,6 @@ bool Networking::sendTo(Common_Message *msg, bool reliable, Connection *conn)
                 ret = true;
             }
         } else {
-            size_t size = msg->ByteSizeLong(); 
             char *buffer = new char[size];
             msg->SerializeToArray(buffer, size);
             send_packet_to(udp_socket, conn->udp_ip_port, buffer, size);