From 9004bed24e68a2a621c6196db96cb6ed6668e35d Mon Sep 17 00:00:00 2001
From: Eric Wasylishen <ewasylishen@gmail.com>
Date: Sun, 7 Aug 2016 16:33:13 -0600
Subject: [PATCH] light: don't add 0 brightness suns

---
 light/entities.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/light/entities.cc b/light/entities.cc
index 70afcc46..2d43d4fe 100644
--- a/light/entities.cc
+++ b/light/entities.cc
@@ -243,6 +243,9 @@ Dirt_ResolveFlag(int dirtInt)
 static void
 AddSun(vec3_t sunvec, vec_t light, const vec3_t color, int dirtInt)
 {
+    if (light == 0.0f)
+        return;
+    
     sun_t sun {};
     VectorCopy(sunvec, sun.sunvec);
     VectorNormalize(sun.sunvec);