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 map<unsigned, TrackType *> &trks = catalogue.get_tracks();
  26         for(map<unsigned, TrackType *>::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 }
  40
  41 const TrackType3D &Catalogue3D::get_track(const TrackType &tt) const
  42 {
  43         map<const TrackType *, TrackType3D *>::const_iterator i = tracks.find(&tt);
  44         if(i==tracks.end())
  45                 throw KeyError("Unknown track type");
  46
  47         return *i->second;
  48 }
  49
  50 const VehicleType3D &Catalogue3D::get_vehicle(const VehicleType &vt) const
  51 {
  52         map<const VehicleType *, VehicleType3D *>::const_iterator i = vehicles.find(&vt);
  53         if(i==vehicles.end())
  54                 throw KeyError("Unknown vehicle type");
  55
  56         return *i->second;
  57 }
  58
  59 void Catalogue3D::track_added(const TrackType &track)
  60 {
  61         tracks[&track] = new TrackType3D(*this, track);
  62 }
  63
  64 void Catalogue3D::vehicle_added(const VehicleType &veh)
  65 {
  66         vehicles[&veh] = new VehicleType3D(*this, veh);
  67 }
  68
  69 void Catalogue3D::build_endpoint_mesh()
  70 {
  71         const Profile &ballast_profile = catalogue.get_ballast_profile();
  72         const Point &ballast_min = ballast_profile.get_min_coords();
  73         const Point &ballast_max = ballast_profile.get_max_coords();
  74
  75         const Profile &rail_profile = catalogue.get_rail_profile();
  76         const Point &rail_min = rail_profile.get_min_coords();
  77         const Point &rail_max = rail_profile.get_max_coords();
  78
  79         float gauge = catalogue.get_gauge();
  80
  81         float width = max(max(-ballast_min.x, ballast_max.x)*2, gauge+(rail_max.x-rail_min.x)*2)+0.004;
  82         float height = ballast_max.y-ballast_min.y+rail_max.y-rail_min.y+0.01;
  83
  84         GL::MeshBuilder bld(endpoint_mesh);
  85         bld.normal(1, 0, 0);
  86         bld.begin(GL::QUADS);
  87         bld.vertex(0, width/2, 0);
  88         bld.vertex(0, width/2, height);
  89         bld.vertex(0, -width/2, height);
  90         bld.vertex(0, -width/2, 0);
  91         bld.end();
  92 }
  93
  94 } // namespace Marklin