+ if (ent != &cl_entities[0].render)
+ R_PrepareBrushModel(ent);
+ R_DrawSurfaces(ent, SHADERSTAGE_NORMAL);
+}
+
+void R_Model_Brush_DrawShadowVolume (entity_render_t *ent, vec3_t relativelightorigin, float lightradius)
+{
+ int i;
+ msurface_t *surf;
+ float projectdistance, f, temp[3], lightradius2;
+ surfmesh_t *mesh;
+ R_Mesh_Matrix(&ent->matrix);
+ lightradius2 = lightradius * lightradius;
+ R_UpdateTextureInfo(ent);
+ projectdistance = 1000000000.0f;//lightradius + ent->model->radius;
+ for (i = 0, surf = ent->model->surfaces + ent->model->firstmodelsurface;i < ent->model->nummodelsurfaces;i++, surf++)
+ {
+ if (surf->texinfo->texture->rendertype == SURFRENDER_OPAQUE && surf->flags & SURF_SHADOWCAST)
+ {
+ f = PlaneDiff(relativelightorigin, surf->plane);
+ if (surf->flags & SURF_PLANEBACK)
+ f = -f;
+ // draw shadows only for frontfaces and only if they are close
+ if (f >= 0.1 && f < lightradius)
+ {
+ temp[0] = bound(surf->poly_mins[0], relativelightorigin[0], surf->poly_maxs[0]) - relativelightorigin[0];
+ temp[1] = bound(surf->poly_mins[1], relativelightorigin[1], surf->poly_maxs[1]) - relativelightorigin[1];
+ temp[2] = bound(surf->poly_mins[2], relativelightorigin[2], surf->poly_maxs[2]) - relativelightorigin[2];
+ if (DotProduct(temp, temp) < lightradius2)
+ {
+ for (mesh = surf->mesh;mesh;mesh = mesh->chain)
+ {
+ R_Mesh_ResizeCheck(mesh->numverts * 2);
+ memcpy(varray_vertex, mesh->verts, mesh->numverts * sizeof(float[4]));
+ R_Shadow_Volume(mesh->numverts, mesh->numtriangles, mesh->index, mesh->triangleneighbors, relativelightorigin, lightradius, projectdistance);
+ }
+ }
+ }
+ }
+ }
+}
+
+void R_Model_Brush_DrawLightForSurfaceList(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, msurface_t **surflist, int numsurfaces)
+{
+ int surfnum;
+ msurface_t *surf;
+ texture_t *t;
+ surfmesh_t *mesh;
+ R_Mesh_Matrix(&ent->matrix);
+ R_UpdateTextureInfo(ent);
+ for (surfnum = 0;surfnum < numsurfaces;surfnum++)
+ {
+ surf = surflist[surfnum];
+ if (surf->visframe == r_framecount)
+ {
+ t = surf->texinfo->texture->currentframe;
+ if (t->rendertype == SURFRENDER_OPAQUE && t->flags & SURF_SHADOWLIGHT)
+ {
+ for (mesh = surf->mesh;mesh;mesh = mesh->chain)
+ {
+ R_Mesh_ResizeCheck(mesh->numverts);
+ memcpy(varray_vertex, mesh->verts, mesh->numverts * sizeof(float[4]));
+ R_Shadow_DiffuseLighting(mesh->numverts, mesh->numtriangles, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals, mesh->str, relativelightorigin, lightradius, lightcolor, t->texture, t->nmaptexture, NULL);
+ R_Shadow_SpecularLighting(mesh->numverts, mesh->numtriangles, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals, mesh->str, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, t->glosstexture, t->nmaptexture, NULL);
+ }
+ }
+ }
+ }
+}
+
+void R_Model_Brush_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor)
+{
+ int surfnum;
+ msurface_t *surf;
+ texture_t *t;
+ float f, lightradius2, temp[3];
+ surfmesh_t *mesh;
+ R_Mesh_Matrix(&ent->matrix);
+ lightradius2 = lightradius * lightradius;
+ R_UpdateTextureInfo(ent);
+ if (ent != &cl_entities[0].render)
+ {
+ // bmodel, cull crudely to view and light
+ for (surfnum = 0, surf = ent->model->surfaces + ent->model->firstmodelsurface;surfnum < ent->model->nummodelsurfaces;surfnum++, surf++)
+ {
+ temp[0] = bound(surf->poly_mins[0], relativelightorigin[0], surf->poly_maxs[0]) - relativelightorigin[0];
+ temp[1] = bound(surf->poly_mins[1], relativelightorigin[1], surf->poly_maxs[1]) - relativelightorigin[1];
+ temp[2] = bound(surf->poly_mins[2], relativelightorigin[2], surf->poly_maxs[2]) - relativelightorigin[2];
+ if (DotProduct(temp, temp) < lightradius2)
+ {
+ f = PlaneDiff(relativelightorigin, surf->plane);
+ if (surf->flags & SURF_PLANEBACK)
+ f = -f;
+ if (f >= -0.1 && f < lightradius)
+ {
+ f = PlaneDiff(relativeeyeorigin, surf->plane);
+ if (surf->flags & SURF_PLANEBACK)
+ f = -f;
+ if (f > 0)
+ {
+ t = surf->texinfo->texture->currentframe;
+ if (t->rendertype == SURFRENDER_OPAQUE && t->flags & SURF_SHADOWLIGHT)
+ {
+ for (mesh = surf->mesh;mesh;mesh = mesh->chain)
+ {
+ R_Mesh_ResizeCheck(mesh->numverts);
+ memcpy(varray_vertex, mesh->verts, mesh->numverts * sizeof(float[4]));
+ R_Shadow_DiffuseLighting(mesh->numverts, mesh->numtriangles, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals, mesh->str, relativelightorigin, lightradius, lightcolor, t->texture, t->nmaptexture, NULL);
+ R_Shadow_SpecularLighting(mesh->numverts, mesh->numtriangles, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals, mesh->str, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, t->glosstexture, t->nmaptexture, NULL);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ // world, already culled to view, just cull to light
+ for (surfnum = 0, surf = ent->model->surfaces + ent->model->firstmodelsurface;surfnum < ent->model->nummodelsurfaces;surfnum++, surf++)
+ {
+ if (surf->visframe == r_framecount)
+ {
+ temp[0] = bound(surf->poly_mins[0], relativelightorigin[0], surf->poly_maxs[0]) - relativelightorigin[0];
+ temp[1] = bound(surf->poly_mins[1], relativelightorigin[1], surf->poly_maxs[1]) - relativelightorigin[1];
+ temp[2] = bound(surf->poly_mins[2], relativelightorigin[2], surf->poly_maxs[2]) - relativelightorigin[2];
+ if (DotProduct(temp, temp) < lightradius2)
+ {
+ f = PlaneDiff(relativelightorigin, surf->plane);
+ if (surf->flags & SURF_PLANEBACK)
+ f = -f;
+ if (f >= -0.1 && f < lightradius)
+ {
+ t = surf->texinfo->texture->currentframe;
+ if (t->rendertype == SURFRENDER_OPAQUE && t->flags & SURF_SHADOWLIGHT)
+ {
+ for (mesh = surf->mesh;mesh;mesh = mesh->chain)
+ {
+ R_Mesh_ResizeCheck(mesh->numverts);
+ memcpy(varray_vertex, mesh->verts, mesh->numverts * sizeof(float[4]));
+ R_Shadow_DiffuseLighting(mesh->numverts, mesh->numtriangles, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals, mesh->str, relativelightorigin, lightradius, lightcolor, t->texture, t->nmaptexture, NULL);
+ R_Shadow_SpecularLighting(mesh->numverts, mesh->numtriangles, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals, mesh->str, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, t->glosstexture, t->nmaptexture, NULL);
+ }
+ }
+ }
+ }
+ }
+ }
+ }