From: rpolzer <rpolzer@61c419a2-8eb2-4b30-bcec-8cead039b335>
Date: Sun, 12 Oct 2008 13:44:03 +0000 (+0000)
Subject: deluxe: always use a MINIMUM light contribution from ambient
X-Git-Tag: svn-r421~303
X-Git-Url: http://git.xonotic.org/?a=commitdiff_plain;h=f6b04e0860389bd1b01265b4ba3831d0bb30cbe1;p=xonotic%2Fnetradiant.git

deluxe: always use a MINIMUM light contribution from ambient


git-svn-id: svn://svn.icculus.org/netradiant/trunk@117 61c419a2-8eb2-4b30-bcec-8cead039b335
---

diff --git a/tools/quake3/q3map2/light_ydnar.c b/tools/quake3/q3map2/light_ydnar.c
index 801ef5ac..7d288b21 100644
--- a/tools/quake3/q3map2/light_ydnar.c
+++ b/tools/quake3/q3map2/light_ydnar.c
@@ -2010,6 +2010,9 @@ void IlluminateRawLightmap( int rawLightmapNum )
 					{
 						brightness = ambientColor[ 0 ] * 0.3f + ambientColor[ 1 ] * 0.59f + ambientColor[ 2 ] * 0.11f;
 						brightness *= (1.0 / 255.0);
+						// use AT LEAST this amount of contribution from ambient for the deluxemap, fixes points that receive ZERO light
+						if(brightness < 0.00390625f)
+							brightness = 0.00390625f;
 						VectorScale( normal, brightness, deluxel );
 					}
 					luxel[ 3 ] = 1.0f;