From 25adddaf46fb109724a35d0e16b6a8b02ede0eff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kerim=20=C4=8Camd=C5=BEi=C4=87?= <hl2.for.you@gmail.com>
Date: Wed, 5 Feb 2025 22:05:52 +0100
Subject: [PATCH] Fixed color_correction_volume crash caused by dangling
 pointers inside of ccmngr

---
 sp/src/game/client/colorcorrectionmgr.cpp | 16 ++++++++++++++++
 sp/src/game/client/colorcorrectionmgr.h   |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/sp/src/game/client/colorcorrectionmgr.cpp b/sp/src/game/client/colorcorrectionmgr.cpp
index cf1210ac..f04438d6 100644
--- a/sp/src/game/client/colorcorrectionmgr.cpp
+++ b/sp/src/game/client/colorcorrectionmgr.cpp
@@ -157,6 +157,22 @@ void CColorCorrectionMgr::CommitColorCorrectionWeights()
 	}
 	m_colorCorrectionWeights.RemoveAll();
 }
+
+void CColorCorrectionMgr::LevelShutdownPreEntity()
+{
+	//Clean up the vectors when shuting down a level
+	//will keep dangling pointers inside of the vector causing a nullptr crash
+	if (g_ColorCorrectionVolumeList.Base())
+	{
+		g_ColorCorrectionVolumeList.Purge();
+	}
+
+	if (g_ColorCorrectionList.Base())
+	{
+		g_ColorCorrectionList.Purge();
+	}
+}
+
 #else
 void CColorCorrectionMgr::SetColorCorrectionWeight( ClientCCHandle_t h, float flWeight )
 {
diff --git a/sp/src/game/client/colorcorrectionmgr.h b/sp/src/game/client/colorcorrectionmgr.h
index 3eba0f8c..8492ac20 100644
--- a/sp/src/game/client/colorcorrectionmgr.h
+++ b/sp/src/game/client/colorcorrectionmgr.h
@@ -76,6 +76,8 @@ private:
 	CUtlVector< SetWeightParams_t > m_colorCorrectionWeights;
 
 	void CommitColorCorrectionWeights();
+
+	void LevelShutdownPreEntity();
 #endif
 };