From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sat, 23 Aug 2003 08:30:23 +0000 (+0000)
Subject: diffusenormal lighting was backwards (thanks to Electro for pointing this out)
X-Git-Tag: xonotic-v0.1.0preview~6422
X-Git-Url: https://de.git.xonotic.org/?a=commitdiff_plain;h=9eb1aaf7495531c6707fa24e5a35d82a6ecbfa55;p=xonotic%2Fdarkplaces.git

diffusenormal lighting was backwards (thanks to Electro for pointing this out)


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3409 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/r_light.c b/r_light.c
index 273c3dc1..bd1bf3a8 100644
--- a/r_light.c
+++ b/r_light.c
@@ -551,7 +551,7 @@ void R_LightModel_CalcVertexColors(const float *ambientcolor4f, const float *dif
 		// silly directional diffuse shading
 		if (usediffuse)
 		{
-			dot = DotProduct(normal3f, dnormal);
+			dot = -DotProduct(normal3f, dnormal);
 			if (dot > 0)
 				VectorMA(color, dot, diffusecolor, color);
 		}