-void Manipulator::selection_changed()
-{
- if(mode)
- cancel();
-
- tracks.clear();
- const set<Track *> &stracks = selection.get_tracks();
- tracks.insert(tracks.end(), stracks.begin(), stracks.end());
-
- update_neighbors();
- update_tracks();
-}
-
-void Manipulator::update_tracks()
-{
- Vector minp, maxp;
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- {
- unsigned n_endpoints = i->track->get_type().get_endpoints().size();
- for(unsigned j=0; j<n_endpoints; ++j)
- {
- Vector p = i->track->get_endpoint_position(j);
- if(i==tracks.begin() && j==0)
- minp = maxp = p;
- else
- {
- minp.x = min(minp.x, p.x);
- maxp.x = max(maxp.x, p.x);
- minp.y = min(minp.y, p.y);
- maxp.y = max(maxp.y, p.y);
- minp.z = min(minp.z, p.z);
- }
- }
- }
-
- center = Vector((minp.x+maxp.x)/2, (minp.y+maxp.y)/2, minp.z);
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- {
- const Vector &tp = i->track->get_position();
- i->pos = Vector(tp.x-center.x, tp.y-center.y, tp.z-center.z);
- i->rot = i->track->get_rotation();
- }
-}
-
-void Manipulator::update_neighbors()
-{
- neighbors.clear();
- for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- {
- const vector<Track *> &links = i->track->get_links();
- for(vector<Track *>::const_iterator j=links.begin(); j!=links.end(); ++j)
- {
- if(!*j)
- continue;
- if(neighbors.count(*j))
- continue;
-
- bool ok = true;
- for(vector<MTrack>::iterator k=tracks.begin(); (k!=tracks.end() && ok); ++k)
- ok = (k->track!=*j);
-
- if(ok)
- neighbors.insert(*j);
- }
- }
-}
-
-void Manipulator::set_slope(TrackOrder &track, float z, float dz)
-{
- const Vector &p = track.track->get_position();
- if(track.rev)
- {
- track.track->set_position(Vector(p.x, p.y, z+dz));
- track.track->set_slope(-dz);
- }
- else
- {
- track.track->set_position(Vector(p.x, p.y, z));
- track.track->set_slope(dz);
- }
-}
-
-vector<Track *> Manipulator::create_straight(const R2C2::Vector &start, float dir, float length, float limit)
-{
- const Catalogue::TrackMap &track_types = designer.get_catalogue().get_tracks();
- std::map<float, const TrackType *> types_by_length;
- unsigned preference = 0;
- for(Catalogue::TrackMap::const_iterator i=track_types.begin(); i!=track_types.end(); ++i)
- {
- const vector<TrackPart> &parts = i->second->get_parts();
- if(parts.size()!=1)
- continue;
- if(parts.front().is_curved() || parts.front().is_dead_end())
- continue;
-
- types_by_length[parts.front().get_length()] = i->second;
- preference = max(preference, i->second->get_autofit_preference());
- }
-
- vector<float> lengths;
- float removed = 0;
- while(length>limit)
- {
- bool found = false;
- for(map<float, const TrackType *>::iterator i=types_by_length.end(); i!=types_by_length.begin(); )
- {
- --i;
- if(i->second->get_autofit_preference()<preference)
- continue;
- if((!removed || i->first<removed) && i->first<length+limit)
- {
- unsigned n = static_cast<unsigned>((length+limit)/i->first);
- lengths.insert(lengths.end(), n, i->first);
- length -= n*i->first;
- found = true;
- break;
- }
- }
-
- if(found)
- continue;
-
- if(lengths.empty())
- {
- if(preference>0)
- {
- --preference;
- removed = 0;
- continue;
- }
- break;
- }
-
- length += lengths.back();
- removed = lengths.back();
- lengths.pop_back();
- }
-
- vector<Track *> trks;
-
- if(!lengths.empty())
- {
- Vector pos = start;
- float c = cos(dir);
- float s = sin(dir);
- for(vector<float>::iterator i=lengths.begin(); i!=lengths.end(); ++i)
- {
- map<float, const TrackType *>::iterator j = types_by_length.find(*i);
- if(j==types_by_length.end())
- throw LogicError("Internal error");
-
- Track *track = new Track(designer.get_layout(), *j->second);
- track->set_position(pos);
- track->set_rotation(dir);
-
- if(!trks.empty())
- track->snap_to(*trks.back(), true);
- trks.push_back(track);
-
- pos.x += c**i;
- pos.y += s**i;
- }
- }
-
- return trks;
-}
-