]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rmain.c
r_shadows is now ignored when in r_shadow_realtime mode
[xonotic/darkplaces.git] / gl_rmain.c
index 5a6b8927d626b51677ae48463540b982a457bdee..490568bb07b0d2b6dcc35b5310e62a2c457b683d 100644 (file)
@@ -52,7 +52,7 @@ unsigned short d_lightstylevalue[256];
 cvar_t r_drawentities = {0, "r_drawentities","1"};
 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1"};
 cvar_t r_shadows = {CVAR_SAVE, "r_shadows", "1"};
-cvar_t r_staticworldlights = {0, "r_staticworldlights", "1"};
+cvar_t r_shadow_staticworldlights = {0, "r_shadow_staticworldlights", "1"};
 cvar_t r_speeds = {0, "r_speeds","0"};
 cvar_t r_fullbright = {0, "r_fullbright","0"};
 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1"};
@@ -221,14 +221,14 @@ void GL_Main_Init(void)
        Cvar_RegisterVariable (&r_drawentities);
        Cvar_RegisterVariable (&r_drawviewmodel);
        Cvar_RegisterVariable (&r_shadows);
-       Cvar_RegisterVariable (&r_staticworldlights);
+       Cvar_RegisterVariable (&r_shadow_staticworldlights);
        Cvar_RegisterVariable (&r_speeds);
        Cvar_RegisterVariable (&r_fullbrights);
        Cvar_RegisterVariable (&r_wateralpha);
        Cvar_RegisterVariable (&r_dynamic);
        Cvar_RegisterVariable (&r_fullbright);
        Cvar_RegisterVariable (&r_textureunits);
-       if (gamemode == GAME_NEHAHRA)
+       if (gamemode == GAME_NEHAHRA || gamemode == GAME_NEXIUZ)
                Cvar_SetValue("r_fullbrights", 0);
        R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
 }
@@ -540,7 +540,8 @@ static void R_MarkEntities (void)
                Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
                R_LerpAnimation(ent);
                R_UpdateEntLights(ent);
-               if (!VIS_CullSphere(ent->origin, ent->model->radius * ent->scale)
+               if ((chase_active.integer || !(ent->flags & RENDER_EXTERIORMODEL))
+                && !VIS_CullSphere(ent->origin, ent->model->radius * ent->scale)
                 && !VIS_CullBox(ent->mins, ent->maxs))
                {
                        ent->visframe = r_framecount;
@@ -576,6 +577,7 @@ int R_DrawBrushModelsSky (void)
 R_DrawViewModel
 =============
 */
+/*
 void R_DrawViewModel (void)
 {
        entity_render_t *ent;
@@ -592,6 +594,7 @@ void R_DrawViewModel (void)
        R_UpdateEntLights(ent);
        ent->model->Draw(ent);
 }
+*/
 
 void R_DrawNoModel(entity_render_t *ent);
 void R_DrawModels ()
@@ -602,7 +605,6 @@ void R_DrawModels ()
        if (!r_drawentities.integer)
                return;
 
-       R_DrawViewModel();
        for (i = 0;i < r_refdef.numentities;i++)
        {
                ent = r_refdef.entities[i];
@@ -637,7 +639,64 @@ void R_DrawFakeShadows (void)
 
 #include "r_shadow.h"
 
-void R_TestAndDrawShadowVolume(entity_render_t *ent, vec3_t lightorigin, float cullradius, float lightradius)
+int shadowframecount = 0;
+
+int Light_CullBox(const vec3_t mins, const vec3_t maxs)
+{
+       int stackpos, sides;
+       mnode_t *node, *stack[4096];
+       stackpos = 0;
+       stack[stackpos++] = cl.worldmodel->nodes;
+       while (stackpos)
+       {
+               node = stack[--stackpos];
+               if (node->contents < 0)
+               {
+                       if (((mleaf_t *)node)->worldnodeframe == shadowframecount)
+                               return false;
+               }
+               else
+               {
+                       sides = BoxOnPlaneSide(mins, maxs, node->plane);
+                       if (sides & 2 && stackpos < 4096)
+                               stack[stackpos++] = node->children[1];
+                       if (sides & 1 && stackpos < 4096)
+                               stack[stackpos++] = node->children[0];
+               }
+       }
+       return true;
+}
+
+int LightAndVis_CullBox(const vec3_t mins, const vec3_t maxs)
+{
+       int stackpos, sides;
+       mnode_t *node, *stack[4096];
+       if (R_CullBox(mins, maxs))
+               return true;
+       stackpos = 0;
+       stack[stackpos++] = cl.worldmodel->nodes;
+       while (stackpos)
+       {
+               node = stack[--stackpos];
+               if (node->contents < 0)
+               {
+                       if (((mleaf_t *)node)->visframe == r_framecount && ((mleaf_t *)node)->worldnodeframe == shadowframecount)
+                               return false;
+               }
+               else
+               {
+                       sides = BoxOnPlaneSide(mins, maxs, node->plane);
+                       if (sides & 2 && stackpos < 4096)
+                               stack[stackpos++] = node->children[1];
+                       if (sides & 1 && stackpos < 4096)
+                               stack[stackpos++] = node->children[0];
+               }
+       }
+       return true;
+}
+
+
+void R_TestAndDrawShadowVolume(entity_render_t *ent, vec3_t lightorigin, float cullradius, float lightradius, vec3_t clipmins, vec3_t clipmaxs)
 {
        int i;
        vec3_t p, p2, temp, relativelightorigin, mins, maxs;
@@ -651,42 +710,38 @@ void R_TestAndDrawShadowVolume(entity_render_t *ent, vec3_t lightorigin, float c
                dist = DotProduct(temp, temp);
                if (dist < cullradius * cullradius)
                {
-                       projectdistance = cullradius - sqrt(dist);
-                       // calculate projected bounding box and decide if it is on-screen
-                       VectorCopy(ent->mins, mins);
-                       VectorCopy(ent->maxs, maxs);
-                       for (i = 0;i < 8;i++)
+                       if (!Light_CullBox(ent->mins, ent->maxs))
                        {
-                               p[0] = i & 1 ? ent->maxs[0] : ent->mins[0];
-                               p[1] = i & 2 ? ent->maxs[1] : ent->mins[1];
-                               p[2] = i & 4 ? ent->maxs[2] : ent->mins[2];
-                               VectorSubtract(p, lightorigin, temp);
-                               dist = projectdistance / sqrt(DotProduct(temp, temp));
-                               VectorMA(p, dist, temp, p2);
-                               if (mins[0] > p2[0]) mins[0] = p2[0];if (maxs[0] < p2[0]) maxs[0] = p2[0];
-                               if (mins[1] > p2[1]) mins[1] = p2[1];if (maxs[1] < p2[1]) maxs[1] = p2[1];
-                               if (mins[2] > p2[2]) mins[2] = p2[2];if (maxs[2] < p2[2]) maxs[2] = p2[2];
-                       }
-                       if (!VIS_CullBox(mins, maxs))
-                       {
-                               Matrix4x4_Transform(&ent->inversematrix, lightorigin, relativelightorigin);
-                               ent->model->DrawShadowVolume (ent, relativelightorigin, lightradius);
+                               projectdistance = cullradius - sqrt(dist);
+                               // calculate projected bounding box and decide if it is on-screen
+                               VectorCopy(ent->mins, mins);
+                               VectorCopy(ent->maxs, maxs);
+                               for (i = 0;i < 8;i++)
+                               {
+                                       p[0] = i & 1 ? ent->maxs[0] : ent->mins[0];
+                                       p[1] = i & 2 ? ent->maxs[1] : ent->mins[1];
+                                       p[2] = i & 4 ? ent->maxs[2] : ent->mins[2];
+                                       VectorSubtract(p, lightorigin, temp);
+                                       dist = projectdistance / sqrt(DotProduct(temp, temp));
+                                       VectorMA(p, dist, temp, p2);
+                                       if (mins[0] > p2[0]) mins[0] = p2[0];if (maxs[0] < p2[0]) maxs[0] = p2[0];
+                                       if (mins[1] > p2[1]) mins[1] = p2[1];if (maxs[1] < p2[1]) maxs[1] = p2[1];
+                                       if (mins[2] > p2[2]) mins[2] = p2[2];if (maxs[2] < p2[2]) maxs[2] = p2[2];
+                               }
+                               if (mins[0] < clipmaxs[0] && maxs[0] > clipmins[0]
+                                && mins[1] < clipmaxs[1] && maxs[1] > clipmins[1]
+                                && mins[2] < clipmaxs[2] && maxs[2] > clipmins[2]
+                                && !LightAndVis_CullBox(mins, maxs))
+                               {
+                                       Matrix4x4_Transform(&ent->inversematrix, lightorigin, relativelightorigin);
+                                       ent->model->DrawShadowVolume (ent, relativelightorigin, lightradius);
+                               }
                        }
                }
        }
 }
 
-void R_DrawWorldLightShadowVolume(mlight_t *sl)
-{
-       shadowmesh_t *mesh;
-       R_Mesh_Matrix(&cl_entities[0].render.matrix);
-       for (mesh = sl->shadowvolume;mesh;mesh = mesh->next)
-       {
-               R_Mesh_ResizeCheck(mesh->numverts);
-               memcpy(varray_vertex, mesh->verts, mesh->numverts * sizeof(float[4]));
-               R_Shadow_RenderVolume(mesh->numverts, mesh->numtriangles, mesh->elements);
-       }
-}
+void R_Shadow_DrawWorldLightShadowVolume(matrix4x4_t *matrix, worldlight_t *light);
 
 #define SHADOWSPHERE_SEGMENTS 16
 
@@ -696,7 +751,7 @@ void R_CreateShadowSphere(void)
        int i, j;
        vec3_t angles, angles2, angles3, angles4;
        float verts[12];
-       shadowsphere = Mod_ShadowMesh_Begin(zonemempool);
+       shadowsphere = Mod_ShadowMesh_Begin(zonemempool, SHADOWSPHERE_SEGMENTS * SHADOWSPHERE_SEGMENTS / 2);
        for (i = 0;i < SHADOWSPHERE_SEGMENTS / 2;i++)
        {
                for (j = 0;j < SHADOWSPHERE_SEGMENTS;j++)
@@ -750,36 +805,155 @@ void R_DrawShadowSphere(vec3_t origin, float cullradius, float lightradius)
        }
 }
 
+extern void R_Model_Brush_DrawLightForSurfaceList(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, msurface_t **surflist, int numsurfaces);
 void R_ShadowVolumeLighting (int visiblevolumes)
 {
        int i;
        entity_render_t *ent;
        int lnum;
        float f, lightradius, cullradius;
-       vec3_t relativelightorigin, relativeeyeorigin, lightcolor;
-       mlight_t *sl;
+       vec3_t relativelightorigin, relativeeyeorigin, lightcolor, clipmins, clipmaxs;
+       worldlight_t *wl;
+       //mlight_t *sl;
        rdlight_t *rd;
        rmeshstate_t m;
+       mleaf_t *leaf;
 
        if (visiblevolumes)
        {
                memset(&m, 0, sizeof(m));
                m.blendfunc1 = GL_ONE;
                m.blendfunc2 = GL_ONE;
+               if (r_shadow_realtime.integer >= 3)
+                       m.depthdisable = true;
                R_Mesh_State(&m);
+               qglDisable(GL_CULL_FACE);
                GL_Color(0.0 * r_colorscale, 0.0125 * r_colorscale, 0.1 * r_colorscale, 1);
        }
        else
                R_Shadow_Stage_Begin();
+       shadowframecount++;
+       for (lnum = 0, wl = r_shadow_worldlightchain;wl;wl = wl->next, lnum++)
+       {
+               if (d_lightstylevalue[wl->style] <= 0)
+                       continue;
+               cullradius = wl->cullradius;
+               lightradius = wl->lightradius;
+               if (R_CullSphere(wl->origin, lightradius))
+                       continue;
+               //if (R_CullBox(wl->mins, wl->maxs) || R_CullSphere(wl->origin, lightradius))
+               //      continue;
+               //if (VIS_CullBox(wl->mins, wl->maxs) || VIS_CullSphere(wl->origin, lightradius))
+               //      continue;
+               if (r_shadow_debuglight.integer >= 0 && lnum != r_shadow_debuglight.integer)
+                       continue;
+
+               for (i = 0;i < wl->numleafs;i++)
+                       if (wl->leafs[i]->visframe == r_framecount)
+                               break;
+               if (i == wl->numleafs)
+                       continue;
+               leaf = wl->leafs[i];
+               VectorCopy(leaf->mins, clipmins);
+               VectorCopy(leaf->maxs, clipmaxs);
+               for (i = 0;i < wl->numleafs;i++)
+               {
+                       leaf = wl->leafs[i];
+                       if (leaf->visframe == r_framecount)
+                       {
+                               if (clipmins[0] > leaf->mins[0]) clipmins[0] = leaf->mins[0];
+                               if (clipmaxs[0] < leaf->maxs[0]) clipmaxs[0] = leaf->maxs[0];
+                               if (clipmins[1] > leaf->mins[1]) clipmins[1] = leaf->mins[1];
+                               if (clipmaxs[1] < leaf->maxs[1]) clipmaxs[1] = leaf->maxs[1];
+                               if (clipmins[2] > leaf->mins[2]) clipmins[2] = leaf->mins[2];
+                               if (clipmaxs[2] < leaf->maxs[2]) clipmaxs[2] = leaf->maxs[2];
+                       }
+               }
+               if (clipmins[0] < wl->mins[0]) clipmins[0] = wl->mins[0];
+               if (clipmins[1] < wl->mins[1]) clipmins[1] = wl->mins[1];
+               if (clipmins[2] < wl->mins[2]) clipmins[2] = wl->mins[2];
+               if (clipmaxs[0] > wl->maxs[0]) clipmaxs[0] = wl->maxs[0];
+               if (clipmaxs[1] > wl->maxs[1]) clipmaxs[1] = wl->maxs[1];
+               if (clipmaxs[2] > wl->maxs[2]) clipmaxs[2] = wl->maxs[2];
+
+               if (R_Shadow_ScissorForBBoxAndSphere(clipmins, clipmaxs, wl->origin, wl->cullradius))
+                       continue;
+
+               // mark the leafs we care about so only things in those leafs will matter
+               for (i = 0;i < wl->numleafs;i++)
+                       wl->leafs[i]->worldnodeframe = shadowframecount;
+
+
+               f = d_lightstylevalue[wl->style] * (1.0f / 256.0f);
+               VectorScale(wl->light, f, lightcolor);
+               if (wl->selected)
+               {
+                       f = 2 + sin(realtime * M_PI * 4.0);
+                       VectorScale(lightcolor, f, lightcolor);
+               }
+
+               if (!visiblevolumes)
+                       R_Shadow_Stage_ShadowVolumes();
+               ent = &cl_entities[0].render;
+               if (wl->shadowvolume && r_shadow_staticworldlights.integer)
+                       R_Shadow_DrawWorldLightShadowVolume(&ent->matrix, wl);
+               else
+                       R_TestAndDrawShadowVolume(ent, wl->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
+               if (r_drawentities.integer)
+               {
+                       for (i = 0;i < r_refdef.numentities;i++)
+                       {
+                               ent = r_refdef.entities[i];
+                               if (ent->maxs[0] >= wl->mins[0] && ent->mins[0] <= wl->maxs[0]
+                                && ent->maxs[1] >= wl->mins[1] && ent->mins[1] <= wl->maxs[1]
+                                && ent->maxs[2] >= wl->mins[2] && ent->mins[2] <= wl->maxs[2]
+                                && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
+                                       R_TestAndDrawShadowVolume(r_refdef.entities[i], wl->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
+                       }
+               }
+
+               if (!visiblevolumes)
+               {
+                       R_Shadow_Stage_Light();
+                       ent = &cl_entities[0].render;
+                       if (ent->model && ent->model->DrawLight)
+                       {
+                               Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
+                               Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
+                               if (wl->numsurfaces)
+                                       R_Model_Brush_DrawLightForSurfaceList(ent, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, wl->surfaces, wl->numsurfaces);
+                               else
+                                       ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
+                       }
+                       if (r_drawentities.integer)
+                       {
+                               for (i = 0;i < r_refdef.numentities;i++)
+                               {
+                                       ent = r_refdef.entities[i];
+                                       if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
+                                        && ent->maxs[0] >= wl->mins[0] && ent->mins[0] <= wl->maxs[0]
+                                        && ent->maxs[1] >= wl->mins[1] && ent->mins[1] <= wl->maxs[1]
+                                        && ent->maxs[2] >= wl->mins[2] && ent->mins[2] <= wl->maxs[2]
+                                        && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
+                                       {
+                                               Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
+                                               Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
+                                               ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
+                                       }
+                               }
+                       }
+               }
+       }
+       /*
        for (lnum = 0, sl = cl.worldmodel->lights;lnum < cl.worldmodel->numlights;lnum++, sl++)
        {
                if (d_lightstylevalue[sl->style] <= 0)
                        continue;
-               if (r_light_debuglight.integer >= 0 && lnum != r_light_debuglight.integer)
+               if (r_shadow_debuglight.integer >= 0 && lnum != r_shadow_debuglight.integer)
                        continue;
                cullradius = sl->cullradius;
                lightradius = sl->lightradius;
-               if (VIS_CullBox(sl->mins, sl->maxs) || VIS_CullSphere(sl->origin, cullradius))
+               if (VIS_CullBox(sl->mins, sl->maxs) || VIS_CullSphere(sl->origin, lightradius))
                        continue;
 
                f = d_lightstylevalue[sl->style] * (1.0f / 32768.0f);
@@ -787,13 +961,10 @@ void R_ShadowVolumeLighting (int visiblevolumes)
 
                if (!visiblevolumes)
                        R_Shadow_Stage_ShadowVolumes();
-               if (sl->shadowvolume && r_staticworldlights.integer)
-                       R_DrawWorldLightShadowVolume(sl);
+               if (sl->shadowvolume && r_shadow_staticworldlights.integer)
+                       R_DrawWorldLightShadowVolume(&cl_entities[0].render.matrix, sl->shadowvolume);
                else
-               {
-                       //R_DrawShadowSphere(sl->origin, cullradius, lightradius * 2);
                        R_TestAndDrawShadowVolume(&cl_entities[0].render, sl->origin, cullradius, lightradius);
-               }
                if (r_drawentities.integer)
                {
                        for (i = 0;i < r_refdef.numentities;i++)
@@ -834,48 +1005,38 @@ void R_ShadowVolumeLighting (int visiblevolumes)
                                        }
                                }
                        }
-
-                       R_Shadow_Stage_EraseShadowVolumes();
-                       if (sl->shadowvolume && r_staticworldlights.integer)
-                               R_DrawWorldLightShadowVolume(sl);
-                       else
-                       {
-                               //R_DrawShadowSphere(sl->origin, cullradius, lightradius * 2);
-                               R_TestAndDrawShadowVolume(&cl_entities[0].render, sl->origin, cullradius, lightradius);
-                       }
-                       if (r_drawentities.integer)
-                       {
-                               for (i = 0;i < r_refdef.numentities;i++)
-                               {
-                                       ent = r_refdef.entities[i];
-                                       if (ent->maxs[0] >= sl->mins[0] && ent->mins[0] <= sl->maxs[0]
-                                        && ent->maxs[1] >= sl->mins[1] && ent->mins[1] <= sl->maxs[1]
-                                        && ent->maxs[2] >= sl->mins[2] && ent->mins[2] <= sl->maxs[2]
-                                        && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
-                                               R_TestAndDrawShadowVolume(r_refdef.entities[i], sl->origin, cullradius, lightradius);
-                               }
-                       }
                }
        }
+       */
        for (lnum = 0, rd = r_dlight;lnum < r_numdlights;lnum++, rd++)
        {
                cullradius = rd->cullradius;
                lightradius = rd->cullradius;
-               if (VIS_CullSphere(rd->origin, cullradius))
+               if (VIS_CullSphere(rd->origin, lightradius))
                        continue;
 
-               VectorScale(rd->light, 16.0f, lightcolor);
+               VectorScale(rd->light, (1.0f / 8192.0f), lightcolor);
+               clipmins[0] = rd->origin[0] - cullradius;
+               clipmins[1] = rd->origin[1] - cullradius;
+               clipmins[2] = rd->origin[2] - cullradius;
+               clipmaxs[0] = rd->origin[0] + cullradius;
+               clipmaxs[1] = rd->origin[1] + cullradius;
+               clipmaxs[2] = rd->origin[2] + cullradius;
+
+               if (R_Shadow_ScissorForBBoxAndSphere(clipmins, clipmaxs, rd->origin, rd->cullradius))
+                       continue;
 
                if (!visiblevolumes)
                        R_Shadow_Stage_ShadowVolumes();
-               R_TestAndDrawShadowVolume(&cl_entities[0].render, rd->origin, cullradius, lightradius);
+               ent = &cl_entities[0].render;
+               R_TestAndDrawShadowVolume(ent, rd->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
                if (r_drawentities.integer)
                {
                        for (i = 0;i < r_refdef.numentities;i++)
                        {
                                ent = r_refdef.entities[i];
                                if (ent != rd->ent && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
-                                       R_TestAndDrawShadowVolume(ent, rd->origin, cullradius, lightradius);
+                                       R_TestAndDrawShadowVolume(ent, rd->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
                        }
                }
 
@@ -887,7 +1048,7 @@ void R_ShadowVolumeLighting (int visiblevolumes)
                        {
                                Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
                                Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
-                               ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius, LIGHTOFFSET, rd->subtract, lightcolor);
+                               ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
                        }
                        if (r_drawentities.integer)
                        {
@@ -899,27 +1060,17 @@ void R_ShadowVolumeLighting (int visiblevolumes)
                                        {
                                                Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
                                                Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
-                                               ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius, LIGHTOFFSET, rd->subtract, lightcolor);
+                                               ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
                                        }
                                }
                        }
-
-                       R_Shadow_Stage_EraseShadowVolumes();
-                       R_TestAndDrawShadowVolume(&cl_entities[0].render, rd->origin, cullradius, lightradius);
-                       if (r_drawentities.integer)
-                       {
-                               for (i = 0;i < r_refdef.numentities;i++)
-                               {
-                                       ent = r_refdef.entities[i];
-                                       if (ent != rd->ent && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
-                                               R_TestAndDrawShadowVolume(ent, rd->origin, cullradius, lightradius);
-                               }
-                       }
                }
        }
 
        if (!visiblevolumes)
                R_Shadow_Stage_End();
+       qglEnable(GL_CULL_FACE);
+       qglDisable(GL_SCISSOR_TEST);
 }
 
 static void R_SetFrustum (void)
@@ -1016,6 +1167,32 @@ void R_RenderView (void)
        if (!r_refdef.entities/* || !cl.worldmodel*/)
                return; //Host_Error ("R_RenderView: NULL worldmodel");
 
+       if (r_shadow_realtime.integer == 1)
+       {
+               if (!gl_texturecubemap)
+               {
+                       Con_Printf("Cubemap texture support not detected, turning off r_shadow_realtime\n");
+                       Cvar_SetValueQuick(&r_shadow_realtime, 0);
+               }
+               else if (!gl_dot3arb)
+               {
+                       Con_Printf("Bumpmapping support not detected, turning off r_shadow_realtime\n");
+                       Cvar_SetValueQuick(&r_shadow_realtime, 0);
+               }
+               else if (!gl_stencil)
+               {
+                       Con_Printf("Stencil not enabled, turning off r_shadow_realtime, please type vid_stencil 1;vid_bitsperpixel 32;vid_restart and try again\n");
+                       Cvar_SetValueQuick(&r_shadow_realtime, 0);
+               }
+               else if (!gl_combine.integer)
+               {
+                       Con_Printf("Combine disabled, please turn on gl_combine, turning off r_shadow_realtime\n");
+                       Cvar_SetValueQuick(&r_shadow_realtime, 0);
+               }
+       }
+
+       R_Shadow_UpdateLightingMode();
+
        world = &cl_entities[0].render;
 
        // FIXME: move to client
@@ -1039,7 +1216,7 @@ void R_RenderView (void)
        R_TimeReport("markentity");
 
        GL_SetupView_ViewPort(r_refdef.x, r_refdef.y, r_refdef.width, r_refdef.height);
-       if (r_shadows.integer == 3)
+       if (r_shadow_lightingmode > 0)
                GL_SetupView_Mode_PerspectiveInfiniteFarClip(r_refdef.fov_x, r_refdef.fov_y, 1.0f);
        else
                GL_SetupView_Mode_Perspective(r_refdef.fov_x, r_refdef.fov_y, 1.0f, r_farclip);
@@ -1049,29 +1226,8 @@ void R_RenderView (void)
        R_Mesh_Start();
        R_MeshQueue_BeginScene();
 
-       if (r_shadows.integer == 3)
-       {
-               if (!gl_texturecubemap)
-               {
-                       Con_Printf("Cubemap texture support not detected, turning off r_shadows 3\n");
-                       Cvar_SetValueQuick(&r_shadows, 0);
-               }
-               else if (!gl_dot3arb)
-               {
-                       Con_Printf("Bumpmapping support not detected, turning off r_shadows 3\n");
-                       Cvar_SetValueQuick(&r_shadows, 0);
-               }
-               else if (!gl_stencil)
-               {
-                       Con_Printf("Stencil not enabled, turning off r_shadows 3, please type vid_stencil 1;vid_restart and try again\n");
-                       Cvar_SetValueQuick(&r_shadows, 0);
-               }
-               else if (!gl_combine.integer)
-               {
-                       Con_Printf("Combine disabled, please turn on gl_combine, turning off r_shadows 3\n");
-                       Cvar_SetValueQuick(&r_shadows, 0);
-               }
-       }
+       if (r_shadow_lightingmode)
+               R_Shadow_UpdateWorldLightSelection();
 
        if (R_DrawBrushModelsSky())
                R_TimeReport("bmodelsky");
@@ -1084,16 +1240,16 @@ void R_RenderView (void)
        if (!intimerefresh && !r_speeds.integer)
                S_ExtraUpdate ();
 
-       R_DrawModels(r_shadows.integer == 3);
+       R_DrawModels(r_shadow_lightingmode > 0);
        R_TimeReport("models");
 
-       if (r_shadows.integer == 1)
+       if (r_shadows.integer == 1 && r_shadow_lightingmode <= 0)
        {
                R_DrawFakeShadows();
                R_TimeReport("fakeshadow");
        }
 
-       if (r_shadows.integer == 3)
+       if (r_shadow_lightingmode > 0)
        {
                R_ShadowVolumeLighting(false);
                R_TimeReport("dynlight");
@@ -1119,7 +1275,7 @@ void R_RenderView (void)
 
        R_MeshQueue_Render();
        R_MeshQueue_EndScene();
-       if (r_shadows.integer == 2)
+       if (r_shadow_realtime.integer >= 2)
        {
                R_ShadowVolumeLighting(true);
                R_TimeReport("shadowvolume");
@@ -1244,7 +1400,7 @@ void R_DrawNoModel(entity_render_t *ent)
        //      R_DrawNoModelCallback(ent, 0);
 }
 
-void R_CalcBeamVerts (float *vert, vec3_t org1, vec3_t org2, float width)
+void R_CalcBeamVerts (float *vert, const vec3_t org1, const vec3_t org2, float width)
 {
        vec3_t right1, right2, diff, normal;