-#include <fstream>
+/* $Id$
+
+This file is part of the MSP Märklin suite
+Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
+Distributed under the GPL
+*/
+
#include <msp/core/refptr.h>
#include <msp/datafile/parser.h>
+#include <msp/datafile/writer.h>
#include "catalogue.h"
#include "layout.h"
#include "tracktype.h"
namespace Marklin {
-Layout::Layout(Catalogue &c):
+Layout::Layout(const Catalogue &c):
catalogue(c)
{ }
+Layout::~Layout()
+{
+ for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+ delete *i;
+}
+
void Layout::add_track(Track &t)
{
if(tracks.insert(&t).second)
void Layout::remove_track(Track &t)
{
- if(tracks.count(&t))
- {
- tracks.erase(&t);
+ if(tracks.erase(&t))
signal_track_removed.emit(t);
- }
}
-void Layout::check_links()
+void Layout::add_route(Route &r)
{
- for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- (*i)->break_links();
-
- for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- for(set<Track *>::iterator j=i; j!=tracks.end(); ++j)
- if(j!=i)
- (*i)->snap_to(**j, true);
+ if(routes.count(r.get_name()))
+ throw KeyError("Duplicate route name");
+ routes[r.get_name()] = &r;
+ signal_route_added.emit(r);
}
-void Layout::load(const string &fn)
+Route &Layout::get_route(const string &name) const
{
- IO::File in(fn);
- IO::Buffered inb(in);
-
- filename=fn;
- DataFile::Parser parser(inb, fn);
- Loader loader(*this);
- loader.load(parser);
-
- check_links();
+ map<string, Route *>::const_iterator i = routes.find(name);
+ if(i==routes.end())
+ throw KeyError("Unknown route", name);
+ return *i->second;
+}
- for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- (*i)->check_slope();
+void Layout::remove_route(Route &r)
+{
+ if(routes.erase(r.get_name()))
+ signal_route_removed.emit(r);
}
-int Layout::save(const string &fn)
+void Layout::save(const string &fn)
{
- ofstream out(fn.c_str());
- if(!out) return -1;
+ IO::BufferedFile out(fn, IO::M_WRITE);
+ DataFile::Writer writer(out);
- filename=fn;
+ if(!base.empty())
+ writer.write((DataFile::Statement("base"), base));
- if(base.size())
- out<<"base \""<<base<<"\";\n";
for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
{
- out<<"track "<<(*i)->get_type().get_article_number()<<"\n{\n";
- const Point &p=(*i)->get_position();
- out<<"\tposition "<<p.x<<' '<<p.y<<' '<<p.z<<";\n";
- out<<"\trotation "<<(*i)->get_rotation()<<";\n";
- out<<"\tslope "<<(*i)->get_slope()<<";\n";
+ DataFile::Statement st("track");
+ st.append((*i)->get_type().get_article_number());
+ (*i)->save(st.sub);
+ writer.write(st);
+ }
- unsigned id=(*i)->get_turnout_id();
- if(id)
- out<<"\tturnout_id "<<id<<";\n";
+ for(map<string, Route *>::iterator i=routes.begin(); i!=routes.end(); ++i)
+ {
+ DataFile::Statement st("route");
+ st.append(i->first);
+ i->second->save(st.sub);
+ writer.write(st);
+ }
+}
- id=(*i)->get_sensor_id();
- if(id)
- out<<"\tsensor_id "<<id<<";\n";
+void Layout::check_links()
+{
+ for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+ (*i)->break_links();
+ list<Track *> flext;
+ for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+ {
if((*i)->get_flex())
- out<<"\tflex true;\n";
-
- out<<"};\n";
+ flext.push_back(*i);
+ else
+ {
+ for(set<Track *>::iterator j=i; j!=tracks.end(); ++j)
+ if(j!=i)
+ (*i)->snap_to(**j, true);
+ }
}
- return 0;
+ for(list<Track *>::iterator i=flext.begin(); i!=flext.end(); ++i)
+ for(set<Track *>::iterator j=tracks.begin(); j!=tracks.end(); ++j)
+ if(*j!=*i)
+ (*i)->snap_to(**j, true);
}
-Layout::~Layout()
+void Layout::check_routes()
{
- for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
- delete *i;
+ for(map<string, Route *>::iterator i=routes.begin(); i!=routes.end(); ++i)
+ {
+ // We must copy the turnout map, since adding tracks to the route will (temporarily) mess it up
+ const map<unsigned, int> turnouts = i->second->get_turnouts();
+
+ Track *track = 0;
+ unsigned trk_path = 0;
+ for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
+ {
+ map<unsigned, int>::const_iterator k = turnouts.find((*j)->get_turnout_id());
+ if(k!=turnouts.end())
+ {
+ track = *j;
+ trk_path = k->second;
+ break;
+ }
+ }
+
+ if(!track)
+ continue;
+
+ i->second->add_track(*track);
+
+ const vector<Endpoint> &eps = track->get_type().get_endpoints();
+ unsigned ep = 0;
+ for(unsigned j=0; j<eps.size(); ++i)
+ if(eps[j].paths&(1<<trk_path))
+ {
+ ep = j;
+ break;
+ }
+
+ Track *start = track;
+ while(1)
+ {
+ unsigned out_ep = track->traverse(ep, trk_path);
+ Track *next = track->get_links()[out_ep];
+ if(!next || next == start)
+ break;
+ ep = next->get_endpoint_by_link(*track);
+ if(next->get_type().get_n_paths()>1)
+ {
+ map<unsigned, int>::const_iterator j = turnouts.find(next->get_turnout_id());
+ if(j==turnouts.end())
+ break;
+ trk_path = j->second;
+ }
+ else
+ trk_path = 0;
+ i->second->add_track(*next);
+ track = next;
+ }
+ }
}
-/*******************
-** Layout::Loader
-*/
Layout::Loader::Loader(Layout &l):
- layout(l)
+ DataFile::BasicLoader<Layout>(l)
{
add("base", &Layout::base);
+ add("route", &Loader::route);
add("track", &Loader::track);
}
+void Layout::Loader::finish()
+{
+ obj.check_links();
+ obj.check_routes();
+
+ for(set<Track *>::iterator i=obj.tracks.begin(); i!=obj.tracks.end(); ++i)
+ (*i)->check_slope();
+}
+
+void Layout::Loader::route(const string &n)
+{
+ RefPtr<Route> rte = new Route(obj, n);
+ load_sub(*rte);
+ obj.add_route(*rte.release());
+}
+
void Layout::Loader::track(unsigned art_nr)
{
- TrackType &type=layout.catalogue.get_track(art_nr);
+ TrackType &type = obj.catalogue.get_track(art_nr);
- RefPtr<Track> trk=new Track(type);
+ RefPtr<Track> trk = new Track(type);
load_sub(*trk);
- layout.add_track(*trk.release());
+ obj.add_track(*trk.release());
}
} // namespace Marklin