changed cl_stainmaps to be a loadtime cvar which decides whether to

[xonotic/darkplaces.git] / gl_rsurf.c

diff --git a/gl_rsurf.c b/gl_rsurf.c
index e7d39184cc875ba0fba0d65a6034076ec251331b..23e6f3af66fd6440fe43ad3af964e67cb4c05de9 100644 (file)
--- a/gl_rsurf.c
+++ b/gl_rsurf.c
@@ -99,12 +99,25 @@ void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
        // scaling, and remaps the 0-65536 (2x overbright) to 0-256, it will
        // be doubled during rendering to achieve 2x overbright
        // (0 = 0.0, 128 = 1.0, 256 = 2.0)
-       for (i = 0;i < size;i++, bl += 3, stain += 3, out += 4)
+       if (stain)
        {
-               l = (bl[0] * stain[0]) >> 16;out[2] = min(l, 255);
-               l = (bl[1] * stain[1]) >> 16;out[1] = min(l, 255);
-               l = (bl[2] * stain[2]) >> 16;out[0] = min(l, 255);
-               out[3] = 255;
+               for (i = 0;i < size;i++, bl += 3, stain += 3, out += 4)
+               {
+                       l = (bl[0] * stain[0]) >> 16;out[2] = min(l, 255);
+                       l = (bl[1] * stain[1]) >> 16;out[1] = min(l, 255);
+                       l = (bl[2] * stain[2]) >> 16;out[0] = min(l, 255);
+                       out[3] = 255;
+               }
+       }
+       else
+       {
+               for (i = 0;i < size;i++, bl += 3, out += 4)
+               {
+                       l = bl[0] >> 8;out[2] = min(l, 255);
+                       l = bl[1] >> 8;out[1] = min(l, 255);
+                       l = bl[2] >> 8;out[0] = min(l, 255);
+                       out[3] = 255;
+               }
        }
 
        R_UpdateTexture(surface->lightmaptexture, templight, surface->lightmapinfo->lightmaporigin[0], surface->lightmapinfo->lightmaporigin[1], smax, tmax);