source/3d/catalogue.cpp

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2010 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <msp/gl/meshbuilder.h>
   9 #include "catalogue.h"
  10 #include "tracktype.h"
  11 #include "vehicletype.h"
  12
  13 using namespace std;
  14 using namespace Msp;
  15
  16 namespace Marklin {
  17
  18 Catalogue3D::Catalogue3D(Catalogue &c):
  19         catalogue(c),
  20         endpoint_mesh((GL::NORMAL3, GL::VERTEX3))
  21 {
  22         catalogue.signal_track_added.connect(sigc::mem_fun(this, &Catalogue3D::track_added));
  23         catalogue.signal_vehicle_added.connect(sigc::mem_fun(this, &Catalogue3D::vehicle_added));
  24
  25         const Catalogue::TrackMap &trks = catalogue.get_tracks();
  26         for(Catalogue::TrackMap::const_iterator i=trks.begin(); i!=trks.end(); ++i)
  27                 track_added(*i->second);
  28
  29         ballast_material.set_diffuse(GL::Color(0.25, 0.25, 0.25));
  30         rail_material.set_diffuse(GL::Color(0.85, 0.85, 0.85));
  31
  32         build_endpoint_mesh();
  33 }
  34
  35 Catalogue3D::~Catalogue3D()
  36 {
  37         for(map<const TrackType *, TrackType3D *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  38                 delete i->second;
  39         for(map<const VehicleType *, VehicleType3D *>::iterator i=vehicles.begin(); i!=vehicles.end(); ++i)
  40                 delete i->second;
  41 }
  42
  43 const TrackType3D &Catalogue3D::get_track(const TrackType &tt) const
  44 {
  45         map<const TrackType *, TrackType3D *>::const_iterator i = tracks.find(&tt);
  46         if(i==tracks.end())
  47                 throw KeyError("Unknown track type");
  48
  49         return *i->second;
  50 }
  51
  52 const VehicleType3D &Catalogue3D::get_vehicle(const VehicleType &vt) const
  53 {
  54         map<const VehicleType *, VehicleType3D *>::const_iterator i = vehicles.find(&vt);
  55         if(i==vehicles.end())
  56                 throw KeyError("Unknown vehicle type");
  57
  58         return *i->second;
  59 }
  60
  61 void Catalogue3D::track_added(const TrackType &track)
  62 {
  63         tracks[&track] = new TrackType3D(*this, track);
  64 }
  65
  66 void Catalogue3D::vehicle_added(const VehicleType &veh)
  67 {
  68         vehicles[&veh] = new VehicleType3D(*this, veh);
  69 }
  70
  71 void Catalogue3D::build_endpoint_mesh()
  72 {
  73         const Profile &ballast_profile = catalogue.get_ballast_profile();
  74         const Point &ballast_min = ballast_profile.get_min_coords();
  75         const Point &ballast_max = ballast_profile.get_max_coords();
  76
  77         const Profile &rail_profile = catalogue.get_rail_profile();
  78         const Point &rail_min = rail_profile.get_min_coords();
  79         const Point &rail_max = rail_profile.get_max_coords();
  80
  81         float gauge = catalogue.get_gauge();
  82
  83         float width = max(max(-ballast_min.x, ballast_max.x)*2, gauge+(rail_max.x-rail_min.x)*2)+0.004;
  84         float height = ballast_max.y-ballast_min.y+rail_max.y-rail_min.y+0.01;
  85
  86         GL::MeshBuilder bld(endpoint_mesh);
  87         bld.normal(1, 0, 0);
  88         bld.begin(GL::QUADS);
  89         bld.vertex(0, width/2, 0);
  90         bld.vertex(0, width/2, height);
  91         bld.vertex(0, -width/2, height);
  92         bld.vertex(0, -width/2, 0);
  93         bld.end();
  94 }
  95
  96 } // namespace Marklin