moved light matrix generation out of the render code and into the light creation...

[xonotic/darkplaces.git] / r_light.c

diff --git a/r_light.c b/r_light.c
index 364e456964bc71538ae7c73972f429ffc2f56d86..2facc1ffe279ccc1910b95fc060e8efb5e890234 100644 (file)
--- a/r_light.c
+++ b/r_light.c
@@ -126,41 +126,69 @@ void R_BuildLightList(void)
                        continue;
                rd = &r_dlight[r_numdlights++];
                VectorCopy(cd->origin, rd->origin);
-               VectorScale(cd->color, cd->radius * 64.0f, rd->light);
+               VectorScale(cd->color, d_lightstylevalue[cd->style] * (1.0f / 256.0f), rd->color);
+               rd->radius = bound(0, cd->radius, 2048.0f);
+               VectorScale(rd->color, rd->radius * 64.0f, rd->light);
+#if 0
                rd->cullradius2 = DotProduct(rd->light, rd->light) * (0.25f / (64.0f * 64.0f)) + 4096.0f;
                // clamp radius to avoid overflowing division table in lightmap code
-               if (rd->cullradius2 > (2048.0f * 2048.0f))
-                       rd->cullradius2 = (2048.0f * 2048.0f);
+               rd->cullradius2 = bound(0, rd->cullradius2, 2048.0f*2048.0f);
                rd->cullradius = sqrt(rd->cullradius2);
+#else
+               rd->cullradius = rd->radius;
+               rd->cullradius2 = rd->cullradius * rd->cullradius;
+#endif
                rd->subtract = 1.0f / rd->cullradius2;
                rd->ent = cd->ent;
+               rd->cubemapnum = cd->cubemapnum;
+               rd->shadow = cd->shadow;
+               rd->corona = cd->corona;
+
+               rd->matrix_lighttoworld = cd->matrix;
+               Matrix4x4_ConcatScale(&rd->matrix_lighttoworld, rd->cullradius);
+               Matrix4x4_Invert_Simple(&rd->matrix_worldtolight, &rd->matrix_lighttoworld);
+               Matrix4x4_Concat(&rd->matrix_worldtoattenuationxyz, &matrix_attenuationxyz, &rd->matrix_worldtolight);
+               Matrix4x4_Concat(&rd->matrix_worldtoattenuationz, &matrix_attenuationz, &rd->matrix_worldtolight);
+
                c_dlights++; // count every dlight in use
        }
 }
 
 void R_DrawCoronas(void)
 {
-       int i;
+       int i, lnum;
        float cscale, scale, viewdist, dist;
        rdlight_t *rd;
+       worldlight_t *wl;
        if (!r_coronas.integer)
                return;
        R_Mesh_Matrix(&r_identitymatrix);
        viewdist = DotProduct(r_vieworigin, r_viewforward);
+       if (r_shadow_realtime_world.integer)
+       {
+               for (lnum = 0, wl = r_shadow_worldlightchain;wl;wl = wl->next, lnum++)
+               {
+                       if (wl->corona * r_coronas.value > 0 && (r_shadow_debuglight.integer < 0 || r_shadow_debuglight.integer == lnum) && (dist = (DotProduct(wl->origin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceLine(wl->origin, r_vieworigin, NULL, NULL, true, NULL, SUPERCONTENTS_SOLID) == 1)
+                       {
+                               cscale = wl->corona * r_coronas.value * 0.25f;
+                               scale = wl->radius * 0.25f;
+                               R_DrawSprite(GL_ONE, GL_ONE, lightcorona, true, rd->origin, r_viewright, r_viewup, scale, -scale, -scale, scale, wl->color[0] * cscale, wl->color[1] * cscale, wl->color[2] * cscale, 1);
+                       }
+               }
+       }
        for (i = 0;i < r_numdlights;i++)
        {
                rd = r_dlight + i;
-               dist = (DotProduct(rd->origin, r_viewforward) - viewdist);
-               if (dist >= 24.0f && CL_TraceLine(rd->origin, r_vieworigin, NULL, NULL, true, NULL, SUPERCONTENTS_SOLID) == 1)
+               if (rd->corona * r_coronas.value > 0 && (dist = (DotProduct(rd->origin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceLine(rd->origin, r_vieworigin, NULL, NULL, true, NULL, SUPERCONTENTS_SOLID) == 1)
                {
-                       cscale = (1.0f / 131072.0f);
-                       scale = rd->cullradius * 0.25f;
+                       cscale = rd->corona * r_coronas.value * 0.25f;
+                       scale = rd->radius * 0.25f;
                        if (gl_flashblend.integer)
                        {
                                cscale *= 4.0f;
                                scale *= 2.0f;
                        }
-                       R_DrawSprite(GL_ONE, GL_ONE, lightcorona, true, rd->origin, r_viewright, r_viewup, scale, -scale, -scale, scale, rd->light[0] * cscale, rd->light[1] * cscale, rd->light[2] * cscale, 1);
+                       R_DrawSprite(GL_ONE, GL_ONE, lightcorona, true, rd->origin, r_viewright, r_viewup, scale, -scale, -scale, scale, rd->color[0] * cscale, rd->color[1] * cscale, rd->color[2] * cscale, 1);
                }
        }
 }