added some checks for the possibility of a map having no portals

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8283 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/gl_rsurf.c b/gl_rsurf.c
index 707741ab189302f74bd308ee57d7f1aef50165f0..223e15cde8eff9a0d2a2bab63c9cd0becf69a872 100644 (file)
--- a/gl_rsurf.c
+++ b/gl_rsurf.c
@@ -465,7 +465,7 @@ void R_View_WorldVisibility(qboolean forcenovis)
                }
                // just check if each leaf in the PVS is on screen
                // (unless portal culling is enabled)
-               else if (r_useportalculling.integer < 1 || (r_useportalculling.integer < 2 && !r_novis.integer))
+               else if (!model->brush.data_portals || r_useportalculling.integer < 1 || (r_useportalculling.integer < 2 && !r_novis.integer))
                {
                        // pvs method:
                        // simply check if each leaf is in the Potentially Visible Set,
@@ -925,12 +925,12 @@ void R_Q1BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, floa
                info.pvs = NULL;
        R_UpdateAllTextureInfo(ent);
 
-       if (r_shadow_frontsidecasting.integer && r_shadow_compilingrtlight && r_shadow_realtime_world_compileportalculling.integer)
+       if (r_shadow_frontsidecasting.integer && r_shadow_compilingrtlight && r_shadow_realtime_world_compileportalculling.integer && info.model->brush.data_portals)
        {
                // use portal recursion for exact light volume culling, and exact surface checking
                Portal_Visibility(info.model, info.relativelightorigin, info.outleaflist, info.outleafpvs, &info.outnumleafs, info.outsurfacelist, info.outsurfacepvs, &info.outnumsurfaces, NULL, 0, true, info.lightmins, info.lightmaxs, info.outmins, info.outmaxs, info.outshadowtrispvs, info.outlighttrispvs);
        }
-       else if (r_shadow_frontsidecasting.integer && r_shadow_realtime_dlight_portalculling.integer)
+       else if (r_shadow_frontsidecasting.integer && r_shadow_realtime_dlight_portalculling.integer && info.model->brush.data_portals)
        {
                // use portal recursion for exact light volume culling, but not the expensive exact surface checking
                Portal_Visibility(info.model, info.relativelightorigin, info.outleaflist, info.outleafpvs, &info.outnumleafs, info.outsurfacelist, info.outsurfacepvs, &info.outnumsurfaces, NULL, 0, r_shadow_realtime_dlight_portalculling.integer >= 2, info.lightmins, info.lightmaxs, info.outmins, info.outmaxs, info.outshadowtrispvs, info.outlighttrispvs);