Occlusion culling
*/
+ // No occlusion culling when free_move is on and camera is
+ // inside ground
+ bool occlusion_culling_enabled = true;
+ if(g_settings->getBool("free_move")){
+ MapNode n = getNodeNoEx(cam_pos_nodes);
+ if(n.getContent() == CONTENT_IGNORE ||
+ nodemgr->get(n).solidness == 2)
+ occlusion_culling_enabled = false;
+ }
+
v3s16 cpn = block->getPos() * MAP_BLOCKSIZE;
cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = BS*1;
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
if(
+ occlusion_culling_enabled &&
isOccluded(this, spn, cpn + v3s16(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),