From 92a9369bbcaa51ab4e50a4a8d976e21a0903a79b Mon Sep 17 00:00:00 2001
From: Eric Wasylishen <ewasylishen@gmail.com>
Date: Sat, 28 May 2016 13:38:12 -0600
Subject: [PATCH] light: remove hack for lights directly on faces, was breaking
 phong shading.

---
 light/ltface.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/light/ltface.c b/light/ltface.c
index 9318c8aa..69e1a74b 100644
--- a/light/ltface.c
+++ b/light/ltface.c
@@ -1342,7 +1342,10 @@ LightFace_Entity(const bsp2_t *bsp,
                 angle = -angle; // ericw -- support "_bleed" option
             }
         }
-        angle = qmax(0.0f, angle); // light can be behind sample point if the light is right on the face
+        
+        /* Light behind sample point? Zero contribution, period. */
+        if (angle < 0)
+            continue;
 
         /* Check spotlight cone */
         spotscale = 1;