From 9dd68f86b8f624d805d704f84df3d5496e4b2c27 Mon Sep 17 00:00:00 2001
From: FileEX <alkom@t.pl>
Date: Mon, 22 Jul 2024 00:47:56 +0200
Subject: [PATCH] Fix old bug

---
 Client/multiplayer_sa/CMultiplayerSA.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Client/multiplayer_sa/CMultiplayerSA.cpp b/Client/multiplayer_sa/CMultiplayerSA.cpp
index f87296a6108..92dd391d446 100644
--- a/Client/multiplayer_sa/CMultiplayerSA.cpp
+++ b/Client/multiplayer_sa/CMultiplayerSA.cpp
@@ -1574,6 +1574,10 @@ void CMultiplayerSA::InitHooks()
     // Fix invisible vehicle windows when lights are on (#2936)
     MemPut<BYTE>(0x6E1425, 1);
 
+    // Allow alpha change for helicopter rotor (#523)
+    MemSet((void*)0x6C444B, 0x90, 6);
+    MemSet((void*)0x6C4453, 0x90, 0x68);
+    
     InitHooks_CrashFixHacks();
 
     // Init our 1.3 hooks.