From 6f2d271ce1a47294c0bce4a8da172f5c3423da36 Mon Sep 17 00:00:00 2001
From: Kawe Mazidjatari <48657826+Mauler125@users.noreply.github.com>
Date: Fri, 31 May 2024 14:55:47 +0200
Subject: [PATCH] Tier1: only set overflow flag if it hasn't been set already

Only set overflow flag in 'CBitRead::GrabNextDWord()' if it hasn't been set already, code now matches the assembly of the game executable.
---
 r5dev/public/tier1/bitbuf.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/r5dev/public/tier1/bitbuf.h b/r5dev/public/tier1/bitbuf.h
index 9d1ffa75..02ce2868 100644
--- a/r5dev/public/tier1/bitbuf.h
+++ b/r5dev/public/tier1/bitbuf.h
@@ -441,7 +441,9 @@ FORCEINLINE void CBitRead::GrabNextDWord(bool bOverFlowImmediately)
 	{
 		if (m_pDataIn > m_pBufferEnd)
 		{
-			SetOverflowFlag();
+			if (!IsOverflowed())
+				SetOverflowFlag();
+
 			m_nInBufWord = 0;
 		}
 		else