-
- try{
- v3s16 p(x,y,z);
- MapNode n = block->getNode(p);
- u8 oldlight = n.getLight(bank, nodemgr);
- n.setLight(bank, 0, nodemgr);
- block->setNode(p, n);
-
- // If node sources light, add to list
- u8 source = nodemgr->get(n).light_source;
- if(source != 0)
- light_sources.insert(p + posnodes);
-
- // Collect borders for unlighting
- if((x==0 || x == MAP_BLOCKSIZE-1
- || y==0 || y == MAP_BLOCKSIZE-1
- || z==0 || z == MAP_BLOCKSIZE-1)
- && oldlight != 0)
- {
- v3s16 p_map = p + posnodes;
- unlight_from[p_map] = oldlight;
- }
- }
- catch(InvalidPositionException &e)
- {
- /*
- This would happen when dealing with a
- dummy block.
+ v3s16 p(x,y,z);
+ bool is_valid_position;
+ MapNode n = block->getNode(p, &is_valid_position);
+ if (!is_valid_position) {
+ /* This would happen when dealing with a
+ dummy block.