From ca97e6a10f9fc51ee5018975571be09a9fe3de95 Mon Sep 17 00:00:00 2001
From: Caner Karaca <canerkaraca_23@hotmail.com>
Date: Fri, 18 Sep 2026 22:02:35 +0300
Subject: [PATCH] fix(backfire): prevent backfire effect in reverse gear and
 backwards motion

---
 src/features/backfire.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/features/backfire.cpp b/src/features/backfire.cpp
index 515b7470..6f281571 100755
--- a/src/features/backfire.cpp
+++ b/src/features/backfire.cpp
@@ -284,6 +284,14 @@ void BackFireEffect::Process(CVehicle *pVeh)
         return;
     }
 
+    if (pVeh->m_nCurrentGear == 0 || CVector::Dot(pVeh->m_vecMoveSpeed, pVeh->GetMatrix().up) < -0.01f)
+    {
+        BackfireData &data = m_VehData.Get(pVeh);
+        data.wasFullThrottled = false;
+        data.m_nleftFires = 0;
+        return;
+    }
+
     bool isValidVeh = std::find(ValidModels.begin(), ValidModels.end(), pVeh->m_nModelIndex) != ValidModels.end();
 
     // 1. Check Soundize compatibility