From 83944a71916d406302404f82ca6c2dc1b4a369d7 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Mon, 11 Oct 2021 22:28:26 +0200
Subject: [PATCH] - fixed uninitialized light index variable for floor sprites.

---
 source/core/rendering/scene/hw_flats.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/core/rendering/scene/hw_flats.cpp b/source/core/rendering/scene/hw_flats.cpp
index 55d10901b00..0e0d6d4c90e 100644
--- a/source/core/rendering/scene/hw_flats.cpp
+++ b/source/core/rendering/scene/hw_flats.cpp
@@ -352,6 +352,7 @@ void HWFlat::ProcessFlatSprite(HWDrawInfo* di, spritetype* sprite, sectortype* s
 	texture = tileGetTexture(tilenum);
 	z = sprite->z * (1 / -256.f);
 	if (z == di->Viewpoint.Pos.Z) return; // looking right at the edge.
+	dynlightindex = -1;
 
 	visibility = sectorVisibility(sector) *(4.f / 5.f); // The factor comes directly from Polymost. What is it with Build and these magic factors?