From f360ae82cf14f1b1194a242acfaa13ce1e1b7919 Mon Sep 17 00:00:00 2001
From: Magnus Norddahl <dpjudas@users.noreply.github.com>
Date: Sat, 26 Apr 2025 17:03:46 +0200
Subject: [PATCH] Part of the patent-pending light list design in gzdoom keeps
 invalid lights in the light lists and you must check for that everywhere...

---
 src/rendering/hwrenderer/doom_levelmesh.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/rendering/hwrenderer/doom_levelmesh.cpp b/src/rendering/hwrenderer/doom_levelmesh.cpp
index 4d468cead..1323edc31 100644
--- a/src/rendering/hwrenderer/doom_levelmesh.cpp
+++ b/src/rendering/hwrenderer/doom_levelmesh.cpp
@@ -345,6 +345,9 @@ void DoomLevelMesh::UploadDynLights(FLevelLocals& doomMap)
 	lightdata.Clear();
 	for (auto light = doomMap.lights; light; light = light->next)
 	{
+		if (!light->IsActive())
+			continue;
+
 		if (light->Trace() || lm_dynlights)
 		{
 			UpdateLight(light);