From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sat, 14 May 2005 05:38:40 +0000 (+0000)
Subject: added a couple checks to hopefully fix a lit sprite dlight problem (an organe dlight... 
X-Git-Tag: xonotic-v0.1.0preview~4885
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=983106b19b2a16d664056f3f16c23b4b3853c950;p=xonotic%2Fdarkplaces.git

added a couple checks to hopefully fix a lit sprite dlight problem (an organe dlight causing a sprite to turn blue suddenly) reported by Cheapy


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@5296 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/r_light.c b/r_light.c
index 83d96303..4c7e48e8 100644
--- a/r_light.c
+++ b/r_light.c
@@ -199,7 +199,8 @@ void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffu
 				if (f > 0 && CL_TraceBox(p, vec3_origin, vec3_origin, sl->origin, false, NULL, SUPERCONTENTS_SOLID, false).fraction == 1)
 				{
 					f *= d_lightstylevalue[sl->style] * (1.0f / 65536.0f);
-					VectorMA(ambientcolor, f, sl->light, ambientcolor);
+					if (f > 0)
+						VectorMA(ambientcolor, f, sl->light, ambientcolor);
 				}
 			}
 		}
@@ -219,7 +220,8 @@ void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffu
 			if (f < light->rtlight.lightmap_cullradius2 && CL_TraceBox(p, vec3_origin, vec3_origin, light->origin, false, NULL, SUPERCONTENTS_SOLID, false).fraction == 1)
 			{
 				f = (1.0f / (f + LIGHTOFFSET)) - light->rtlight.lightmap_subtract;
-				VectorMA(ambientcolor, f, light->rtlight.lightmap_light, ambientcolor);
+				if (f > 0)
+					VectorMA(ambientcolor, f, light->rtlight.lightmap_light, ambientcolor);
 			}
 		}
 	}