From c0e9530fd04cd44cb69718405f3302568f31793d Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sat, 15 Dec 2018 15:36:43 +0100
Subject: [PATCH] - fixed: The light defaults were not fully deleted on an
 engine restart.

---
 src/d_main.cpp            | 2 +-
 src/g_shared/a_dynlight.h | 2 +-
 src/r_data/gldefs.cpp     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/d_main.cpp b/src/d_main.cpp
index 5acb1296f..949dc18bc 100644
--- a/src/d_main.cpp
+++ b/src/d_main.cpp
@@ -2783,7 +2783,7 @@ void D_DoomMain (void)
 		DestroyCVarsFlagged(CVAR_MOD);	// Delete any cvar left by mods
 		FS_Close();						// destroy the global FraggleScript.
 		DeinitMenus();
-		LightDefaults.Clear();			// this can leak heap memory if it isn't cleared.
+		LightDefaults.DeleteAndClear();			// this can leak heap memory if it isn't cleared.
 
 		// delete DoomStartupInfo data
 		DoomStartupInfo.Name = (const char*)0;
diff --git a/src/g_shared/a_dynlight.h b/src/g_shared/a_dynlight.h
index adfaa3a4f..090684985 100644
--- a/src/g_shared/a_dynlight.h
+++ b/src/g_shared/a_dynlight.h
@@ -80,7 +80,7 @@ public:
 	}
 
 protected:
-	FName m_Name;
+	FName m_Name = NAME_None;
 	int m_Args[5] = { 0,0,0,0,0 };
 	double m_Param = 0;
 	DVector3 m_Pos = { 0,0,0 };
diff --git a/src/r_data/gldefs.cpp b/src/r_data/gldefs.cpp
index 8c90ec0e1..a4451fd6c 100644
--- a/src/r_data/gldefs.cpp
+++ b/src/r_data/gldefs.cpp
@@ -1772,7 +1772,7 @@ void ParseGLDefs()
 {
 	const char *defsLump = NULL;
 
-	LightDefaults.Clear();
+	LightDefaults.DeleteAndClear();
 	//gl_DestroyUserShaders(); function says 'todo'
 	switch (gameinfo.gametype)
 	{