source/3d/catalogue.cpp

   1 #include <msp/core/maputils.h>
   2 #include <msp/gl/meshbuilder.h>
   3 #include "catalogue.h"
   4 #include "signaltype.h"
   5 #include "tracktype.h"
   6 #include "vehicletype.h"
   7
   8 using namespace std;
   9 using namespace Msp;
  10
  11 namespace R2C2 {
  12
  13 Catalogue3D::Catalogue3D(Catalogue &c):
  14         catalogue(c)
  15 {
  16         const list<DataFile::CollectionSource *> &src = catalogue.get_sources();
  17         for(list<DataFile::CollectionSource *>::const_iterator i=src.begin(); i!=src.end(); ++i)
  18                 add_source(**i);
  19         catalogue.signal_source_added.connect(sigc::mem_fun(static_cast<DataFile::Collection *>(this), &Catalogue3D::add_source));
  20 }
  21
  22 Catalogue3D::~Catalogue3D()
  23 {
  24         for(map<const ObjectType *, ObjectType3D *>::iterator i=objects.begin(); i!=objects.end(); ++i)
  25                 delete i->second;
  26 }
  27
  28 const ObjectType3D &Catalogue3D::get_3d(const ObjectType &ot)
  29 {
  30         ObjectMap::iterator i = objects.find(&ot);
  31         if(i!=objects.end())
  32                 return *i->second;
  33
  34         ObjectType3D *ot3d = 0;
  35         if(const TrackType *tt = dynamic_cast<const TrackType *>(&ot))
  36                 ot3d = new TrackType3D(*this, *tt);
  37         else if(const SignalType *st = dynamic_cast<const SignalType *>(&ot))
  38                 ot3d = new SignalType3D(*this, *st);
  39         else if(const VehicleType *vt = dynamic_cast<const VehicleType *>(&ot))
  40                 ot3d = new VehicleType3D(*this, *vt);
  41         else
  42                 throw key_error(&ot);
  43
  44         objects[&ot] = ot3d;
  45         return *ot3d;
  46 }
  47
  48 const ObjectType3D &Catalogue3D::get_3d(const ObjectType &ot) const
  49 {
  50         return *get_item(objects, &ot);
  51 }
  52
  53 const GL::Mesh &Catalogue3D::get_endpoint_mesh(const TrackAppearance &appearance)
  54 {
  55         EndpointMap::iterator i = endpoint_meshes.find(&appearance);
  56         if(i!=endpoint_meshes.end())
  57                 return *i->second;
  58
  59         const Profile &ballast_profile = appearance.get_ballast_profile();
  60         const Vector &ballast_min = ballast_profile.get_min_coords();
  61         const Vector &ballast_max = ballast_profile.get_max_coords();
  62
  63         const Profile &rail_profile = appearance.get_rail_profile();
  64         const Vector &rail_min = rail_profile.get_min_coords();
  65         const Vector &rail_max = rail_profile.get_max_coords();
  66
  67         float gauge = appearance.get_gauge();
  68
  69         float width = max(max(-ballast_min.x, ballast_max.x)*2, gauge+(rail_max.x-rail_min.x)*2)+0.004;
  70         float height = ballast_max.y-ballast_min.y+rail_max.y-rail_min.y+0.01;
  71
  72         GL::Mesh *mesh = new GL::Mesh((GL::NORMAL3, GL::VERTEX3));
  73         GL::MeshBuilder bld(*mesh);
  74         bld.normal(1, 0, 0);
  75         bld.begin(GL::QUADS);
  76         bld.vertex(0, width/2, 0);
  77         bld.vertex(0, width/2, height);
  78         bld.vertex(0, -width/2, height);
  79         bld.vertex(0, -width/2, 0);
  80         bld.end();
  81
  82         endpoint_meshes[&appearance] = mesh;
  83         return *mesh;
  84 }
  85
  86 const GL::Mesh &Catalogue3D::get_endpoint_mesh(const TrackAppearance &appearance) const
  87 {
  88         return *get_item(endpoint_meshes, &appearance);
  89 }
  90
  91 } // namespace R2C2