source/libmarklin/layout.cpp

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <fstream>
   9 #include <msp/core/refptr.h>
  10 #include <msp/datafile/parser.h>
  11 #include "catalogue.h"
  12 #include "layout.h"
  13 #include "tracktype.h"
  14
  15 using namespace std;
  16 using namespace Msp;
  17
  18 namespace Marklin {
  19
  20 Layout::Layout(Catalogue &c):
  21         catalogue(c)
  22 { }
  23
  24 Layout::~Layout()
  25 {
  26         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  27                 delete *i;
  28 }
  29
  30 void Layout::add_track(Track &t)
  31 {
  32         if(tracks.insert(&t).second)
  33                 signal_track_added.emit(t);
  34 }
  35
  36 void Layout::remove_track(Track &t)
  37 {
  38         if(tracks.count(&t))
  39         {
  40                 tracks.erase(&t);
  41                 signal_track_removed.emit(t);
  42         }
  43 }
  44
  45 void Layout::check_links()
  46 {
  47         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  48                 (*i)->break_links();
  49
  50         set<Track *> flext;
  51         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  52         {
  53                 if((*i)->get_flex())
  54                         flext.insert(*i);
  55                 else
  56                 {
  57                         for(set<Track *>::iterator j=i; j!=tracks.end(); ++j)
  58                                 if(j!=i)
  59                                         (*i)->snap_to(**j, true);
  60                 }
  61         }
  62
  63         for(set<Track *>::iterator i=flext.begin(); i!=flext.end(); ++i)
  64                 for(set<Track *>::iterator j=tracks.begin(); j!=tracks.end(); ++j)
  65                         if(j!=i)
  66                                 (*i)->snap_to(**j, true);
  67 }
  68
  69 void Layout::load(const string &fn)
  70 {
  71         IO::File in(fn);
  72         IO::Buffered inb(in);
  73
  74         filename=fn;
  75         DataFile::Parser parser(inb, fn);
  76         Loader loader(*this);
  77         loader.load(parser);
  78
  79         check_links();
  80
  81         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  82                 (*i)->check_slope();
  83 }
  84
  85 int Layout::save(const string &fn)
  86 {
  87         ofstream out(fn.c_str());
  88         if(!out) return -1;
  89
  90         filename=fn;
  91
  92         if(!base.empty())
  93                 out<<"base \""<<base<<"\";\n";
  94         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  95         {
  96                 out<<"track "<<(*i)->get_type().get_article_number()<<"\n{\n";
  97                 const Point &p=(*i)->get_position();
  98                 out<<"\tposition "<<p.x<<' '<<p.y<<' '<<p.z<<";\n";
  99                 out<<"\trotation "<<(*i)->get_rotation()<<";\n";
 100                 out<<"\tslope "<<(*i)->get_slope()<<";\n";
 101
 102                 unsigned id=(*i)->get_turnout_id();
 103                 if(id)
 104                         out<<"\tturnout_id "<<id<<";\n";
 105
 106                 id=(*i)->get_sensor_id();
 107                 if(id)
 108                         out<<"\tsensor_id "<<id<<";\n";
 109
 110                 if((*i)->get_flex())
 111                         out<<"\tflex true;\n";
 112
 113                 out<<"};\n";
 114         }
 115
 116         return 0;
 117 }
 118
 119
 120 Layout::Loader::Loader(Layout &l):
 121         layout(l)
 122 {
 123         add("base",  &Layout::base);
 124         add("track", &Loader::track);
 125 }
 126
 127 void Layout::Loader::track(unsigned art_nr)
 128 {
 129         TrackType &type=layout.catalogue.get_track(art_nr);
 130
 131         RefPtr<Track> trk=new Track(type);
 132         load_sub(*trk);
 133         layout.add_track(*trk.release());
 134 }
 135
 136 } // namespace Marklin