341

[xonotic/darkplaces.git] / r_light.c

diff --git a/r_light.c b/r_light.c
index f416eff29edc0ce2004d5e37f2e7b07c2f80529e..0dc8bee068c68829de1e25168317985353f2b90e 100644 (file)
--- a/r_light.c
+++ b/r_light.c
@@ -86,11 +86,13 @@ R_UpdateLights
 */
 void R_UpdateLights(void)
 {
-       int i, j, k;
+       float frac;
+       int i, j, k, l;
 
 // light animations
 // 'm' is normal light, 'a' is no light, 'z' is double bright
        i = (int)(cl.time * 10);
+       frac = (cl.time * 10) - i;
        for (j = 0;j < MAX_LIGHTSTYLES;j++)
        {
                if (!cl_lightstyle || !cl_lightstyle[j].length)
@@ -99,9 +101,10 @@ void R_UpdateLights(void)
                        continue;
                }
                k = i % cl_lightstyle[j].length;
+               l = (i-1) % cl_lightstyle[j].length;
                k = cl_lightstyle[j].map[k] - 'a';
-               k = k*22;
-               d_lightstylevalue[j] = k;
+               l = cl_lightstyle[j].map[l] - 'a';
+               d_lightstylevalue[j] = ((k*frac)+(l*(1-frac)))*22;
        }
 
        r_numdlights = 0;
@@ -125,31 +128,29 @@ void R_UpdateLights(void)
 
 void R_DrawCoronas(void)
 {
-       int i, lnum;
+       int i, lnum, flag;
        float cscale, scale, viewdist, dist;
        dlight_t *light;
-       if (!r_coronas.integer)
+       if (r_coronas.value < 0.01)
                return;
        R_Mesh_Matrix(&r_identitymatrix);
        viewdist = DotProduct(r_vieworigin, r_viewforward);
-       if (r_shadow_realtime_world.integer)
+       flag = r_rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
+       for (lnum = 0, light = r_shadow_worldlightchain;light;light = light->next, lnum++)
        {
-               for (lnum = 0, light = r_shadow_worldlightchain;light;light = light->next, lnum++)
+               if ((light->flags & flag) && light->corona * r_coronas.value > 0 && (r_shadow_debuglight.integer < 0 || r_shadow_debuglight.integer == lnum) && (dist = (DotProduct(light->rtlight.shadoworigin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceLine(light->rtlight.shadoworigin, r_vieworigin, NULL, NULL, true, NULL, SUPERCONTENTS_SOLID) == 1)
                {
-                       if (light->rtlight.corona * r_coronas.value > 0 && (r_shadow_debuglight.integer < 0 || r_shadow_debuglight.integer == lnum) && (dist = (DotProduct(light->rtlight.shadoworigin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceLine(light->rtlight.shadoworigin, r_vieworigin, NULL, NULL, true, NULL, SUPERCONTENTS_SOLID) == 1)
-                       {
-                               cscale = light->rtlight.corona * r_coronas.value * 0.25f;
-                               scale = light->rtlight.radius * 0.25f;
-                               R_DrawSprite(GL_ONE, GL_ONE, lightcorona, true, light->rtlight.shadoworigin, r_viewright, r_viewup, scale, -scale, -scale, scale, light->rtlight.color[0] * cscale, light->rtlight.color[1] * cscale, light->rtlight.color[2] * cscale, 1);
-                       }
+                       cscale = light->rtlight.corona * r_coronas.value * 0.25f;
+                       scale = light->rtlight.radius * light->rtlight.coronasizescale;
+                       R_DrawSprite(GL_ONE, GL_ONE, lightcorona, true, light->rtlight.shadoworigin, r_viewright, r_viewup, scale, -scale, -scale, scale, light->rtlight.color[0] * cscale, light->rtlight.color[1] * cscale, light->rtlight.color[2] * cscale, 1);
                }
        }
        for (i = 0, light = r_dlight;i < r_numdlights;i++, light++)
        {
-               if (light->corona * r_coronas.value > 0 && (dist = (DotProduct(light->origin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceLine(light->origin, r_vieworigin, NULL, NULL, true, NULL, SUPERCONTENTS_SOLID) == 1)
+               if ((light->flags & flag) && light->corona * r_coronas.value > 0 && (dist = (DotProduct(light->origin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceLine(light->origin, r_vieworigin, NULL, NULL, true, NULL, SUPERCONTENTS_SOLID) == 1)
                {
                        cscale = light->corona * r_coronas.value * 0.25f;
-                       scale = light->radius * 0.25f;
+                       scale = light->rtlight.radius * light->rtlight.coronasizescale;
                        if (gl_flashblend.integer)
                        {
                                cscale *= 4.0f;
@@ -287,24 +288,24 @@ void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffu
        VectorClear(diffusecolor);
        VectorClear(diffusenormal);
 
-       if (!r_fullbright.integer && cl.worldmodel && cl.worldmodel->brush.LightPoint)
+       if (!r_fullbright.integer && r_refdef.worldmodel && r_refdef.worldmodel->brush.LightPoint)
        {
                ambientcolor[0] = ambientcolor[1] = ambientcolor[2] = r_ambient.value * (2.0f / 128.0f);
-               cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
+               r_refdef.worldmodel->brush.LightPoint(r_refdef.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
        }
        else
                VectorSet(ambientcolor, 1, 1, 1);
 
        // FIXME: this .lights related stuff needs to be ported into the Mod_Q1BSP code
-       if (cl.worldmodel->brushq1.numlights)
+       if (r_refdef.worldmodel->brushq1.numlights)
        {
                int i;
                vec3_t v;
                float f;
                mlight_t *sl;
-               for (i = 0;i < cl.worldmodel->brushq1.numlights;i++)
+               for (i = 0;i < r_refdef.worldmodel->brushq1.numlights;i++)
                {
-                       sl = cl.worldmodel->brushq1.lights + i;
+                       sl = r_refdef.worldmodel->brushq1.lights + i;
                        if (d_lightstylevalue[sl->style] > 0)
                        {
                                VectorSubtract (p, sl->origin, v);
@@ -369,19 +370,19 @@ int R_LightModel(float *ambient4f, float *diffusecolor, float *diffusenormal, co
        ambient4f[0] = ambient4f[1] = ambient4f[2] = r_ambient.value * (2.0f / 128.0f);
        VectorClear(diffusecolor);
        VectorClear(diffusenormal);
-       if (r_fullbright.integer || (ent->effects & EF_FULLBRIGHT))
+       if (!(ent->flags & RENDER_LIGHT))
        {
                // highly rare
                VectorSet(ambient4f, 1, 1, 1);
                maxnearlights = 0;
        }
-       else if (r_shadow_realtime_world.integer && r_shadow_realtime_world_lightmaps.value <= 0)
+       else if (r_lightmapintensity <= 0 && !(ent->flags & RENDER_TRANSPARENT))
                maxnearlights = 0;
        else
        {
-               if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
+               if (r_refdef.worldmodel && r_refdef.worldmodel->brush.LightPoint)
                {
-                       cl.worldmodel->brush.LightPoint(cl.worldmodel, ent->origin, ambient4f, diffusecolor, tempdiffusenormal);
+                       r_refdef.worldmodel->brush.LightPoint(r_refdef.worldmodel, ent->origin, ambient4f, diffusecolor, tempdiffusenormal);
                        Matrix4x4_Transform3x3(&ent->inversematrix, tempdiffusenormal, diffusenormal);
                        VectorNormalize(diffusenormal);
                }
@@ -396,7 +397,7 @@ int R_LightModel(float *ambient4f, float *diffusecolor, float *diffusenormal, co
        nl = &nearlight[0];
        for (i = 0;i < ent->numentlights;i++)
        {
-               sl = cl.worldmodel->brushq1.lights + ent->entlights[i];
+               sl = r_refdef.worldmodel->brushq1.lights + ent->entlights[i];
                stylescale = d_lightstylevalue[sl->style] * (1.0f / 65536.0f);
                VectorSubtract (ent->origin, sl->origin, v);
                f = ((1.0f / (DotProduct(v, v) * sl->falloff + sl->distbias)) - sl->subtract) * stylescale;
@@ -444,8 +445,9 @@ int R_LightModel(float *ambient4f, float *diffusecolor, float *diffusenormal, co
                        nl->offset = sl->distbias;
                }
        }
-       if (!r_shadow_realtime_dlight.integer)
+       if (!r_rtdlight || (ent->flags & RENDER_TRANSPARENT))
        {
+               // FIXME: this dlighting doesn't look like rtlights
                for (i = 0;i < r_numdlights;i++)
                {
                        light = r_dlight + i;
@@ -555,7 +557,7 @@ void R_LightModel_CalcVertexColors(const float *ambientcolor4f, const float *dif
                // pretty good lighting
                for (j = 0, nl = &nearlight[0];j < nearlights;j++, nl++)
                {
-                       VectorSubtract(vertex3f, nl->origin, v);
+                       VectorSubtract(nl->origin, vertex3f, v);
                        // first eliminate negative lighting (back side)
                        dot = DotProduct(normal3f, v);
                        if (dot > 0)
@@ -585,7 +587,7 @@ void R_UpdateEntLights(entity_render_t *ent)
        int i;
        const mlight_t *sl;
        vec3_t v;
-       if (r_shadow_realtime_world.integer && r_shadow_realtime_world_lightmaps.value <= 0)
+       if (r_lightmapintensity <= 0 && !(ent->flags & RENDER_TRANSPARENT))
                return;
        VectorSubtract(ent->origin, ent->entlightsorigin, v);
        if (ent->entlightsframe != (r_framecount - 1) || (realtime > ent->entlightstime && DotProduct(v,v) >= 1.0f))
@@ -593,8 +595,8 @@ void R_UpdateEntLights(entity_render_t *ent)
                ent->entlightstime = realtime + 0.1;
                VectorCopy(ent->origin, ent->entlightsorigin);
                ent->numentlights = 0;
-               if (cl.worldmodel)
-                       for (i = 0, sl = cl.worldmodel->brushq1.lights;i < cl.worldmodel->brushq1.numlights && ent->numentlights < MAXENTLIGHTS;i++, sl++)
+               if (r_refdef.worldmodel)
+                       for (i = 0, sl = r_refdef.worldmodel->brushq1.lights;i < r_refdef.worldmodel->brushq1.numlights && ent->numentlights < MAXENTLIGHTS;i++, sl++)
                                if (CL_TraceLine(ent->origin, sl->origin, NULL, NULL, false, NULL, SUPERCONTENTS_SOLID) == 1)
                                        ent->entlights[ent->numentlights++] = i;
        }