removed r_shadows (glquake fake shadows)

[xonotic/darkplaces.git] / r_light.c

diff --git a/r_light.c b/r_light.c
index 6a49a87fcf6fb8e88c10077e913ba3be9ec7a904..f5bbc46f561333118754b878aa81526de81f5ae4 100644 (file)
--- a/r_light.c
+++ b/r_light.c
@@ -365,7 +365,7 @@ static nearlight_t nearlight[MAX_DLIGHTS];
 int R_LightModel(float *ambient4f, float *diffusecolor, float *diffusenormal, const entity_render_t *ent, float colorr, float colorg, float colorb, float colora, int worldcoords)
 {
        int i, j, maxnearlights;
-       float v[3], f, mscale, stylescale, intensity, ambientcolor[3];
+       float v[3], f, mscale, stylescale, intensity, ambientcolor[3], tempdiffusenormal[3];
        nearlight_t *nl;
        mlight_t *sl;
        rdlight_t *rd;
@@ -386,7 +386,11 @@ int R_LightModel(float *ambient4f, float *diffusecolor, float *diffusenormal, co
        else
        {
                if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
-                       cl.worldmodel->brush.LightPoint(cl.worldmodel, ent->origin, ambient4f, diffusecolor, diffusenormal);
+               {
+                       cl.worldmodel->brush.LightPoint(cl.worldmodel, ent->origin, ambient4f, diffusecolor, tempdiffusenormal);
+                       Matrix4x4_Transform3x3(&ent->inversematrix, tempdiffusenormal, diffusenormal);
+                       VectorNormalize(diffusenormal);
+               }
                else
                        VectorSet(ambient4f, 1, 1, 1);
        }
@@ -536,7 +540,9 @@ void R_LightModel_CalcVertexColors(const float *ambientcolor4f, const float *dif
        float color[4], v[3], dot, dist2, f, dnormal[3];
        nearlight_t *nl;
        usediffuse = DotProduct(diffusecolor, diffusecolor) > 0;
-       VectorCopy(diffusenormal, dnormal);
+       // negate the diffuse normal to avoid the need to negate the
+       // dotproduct on each vertex
+       VectorNegate(diffusenormal, dnormal);
        if (usediffuse)
                VectorNormalize(dnormal);
        // directional shading code here