From 9c7499aa278eb46103a4ba4a4083fb39b85c867a Mon Sep 17 00:00:00 2001
From: Mr_Goldberg <gold@berg>
Date: Sun, 29 May 2022 15:46:31 -0400
Subject: [PATCH] Fix sending to localhost ips.

---
 dll/network.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dll/network.cpp b/dll/network.cpp
index 3999b724..2ff35d61 100644
--- a/dll/network.cpp
+++ b/dll/network.cpp
@@ -1126,9 +1126,12 @@ void Networking::setAppID(uint32 appid)
 
 bool Networking::sendToIPPort(Common_Message *msg, uint32 ip, uint16 port, bool reliable)
 {
+    bool is_local_ip = ((ip >> 24) == 0x7F);
+    uint32_t local_ip = getIP(ids.front());
+    PRINT_DEBUG("sendToIPPort %X %u %X\n", ip, is_local_ip, local_ip);
     //TODO: actually send to ip/port
     for (auto &conn: connections) {
-        if (ntohl(conn.tcp_ip_port.ip) == ip) {
+        if (ntohl(conn.tcp_ip_port.ip) == ip || (is_local_ip && ntohl(conn.tcp_ip_port.ip) == local_ip)) {
             for (auto &steam_id : conn.ids) {
                 msg->set_dest_id(steam_id.ConvertToUint64());
                 sendTo(msg, reliable, &conn);