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         src.add_directory(".");
  17         src.add_directory("data");
  18         add_source(src);
  19
  20         catalogue.signal_object_added.connect(sigc::mem_fun(this, &Catalogue3D::object_added));
  21
  22         const Catalogue::ObjectMap &objs = catalogue.get_all();
  23         for(Catalogue::ObjectMap::const_iterator i=objs.begin(); i!=objs.end(); ++i)
  24                 object_added(*i->second);
  25 }
  26
  27 Catalogue3D::~Catalogue3D()
  28 {
  29         for(map<const ObjectType *, ObjectType3D *>::iterator i=objects.begin(); i!=objects.end(); ++i)
  30                 delete i->second;
  31 }
  32
  33 void Catalogue3D::object_added(const ObjectType &ot)
  34 {
  35         if(const TrackType *tt = dynamic_cast<const TrackType *>(&ot))
  36         {
  37                 objects[&ot] = new TrackType3D(*this, *tt);
  38                 const TrackAppearance &appearance = tt->get_appearance();
  39                 if(!endpoint_meshes.count(&appearance))
  40                         build_endpoint_mesh(appearance);
  41         }
  42         else if(const SignalType *st = dynamic_cast<const SignalType *>(&ot))
  43                 objects[&ot] = new SignalType3D(*this, *st);
  44         else if(const VehicleType *vt = dynamic_cast<const VehicleType *>(&ot))
  45                 objects[&ot] = new VehicleType3D(*this, *vt);
  46 }
  47
  48 const ObjectType3D &Catalogue3D::get_3d(const ObjectType &ot) const
  49 {
  50         return *get_item(objects, &ot);
  51 }
  52
  53 void Catalogue3D::build_endpoint_mesh(const TrackAppearance &appearance)
  54 {
  55         const Profile &ballast_profile = appearance.get_ballast_profile();
  56         const Vector &ballast_min = ballast_profile.get_min_coords();
  57         const Vector &ballast_max = ballast_profile.get_max_coords();
  58
  59         const Profile &rail_profile = appearance.get_rail_profile();
  60         const Vector &rail_min = rail_profile.get_min_coords();
  61         const Vector &rail_max = rail_profile.get_max_coords();
  62
  63         float gauge = catalogue.get_gauge();
  64
  65         float width = max(max(-ballast_min.x, ballast_max.x)*2, gauge+(rail_max.x-rail_min.x)*2)+0.004;
  66         float height = ballast_max.y-ballast_min.y+rail_max.y-rail_min.y+0.01;
  67
  68         GL::Mesh *mesh = new GL::Mesh((GL::NORMAL3, GL::VERTEX3));
  69         GL::MeshBuilder bld(*mesh);
  70         bld.normal(1, 0, 0);
  71         bld.begin(GL::QUADS);
  72         bld.vertex(0, width/2, 0);
  73         bld.vertex(0, width/2, height);
  74         bld.vertex(0, -width/2, height);
  75         bld.vertex(0, -width/2, 0);
  76         bld.end();
  77
  78         endpoint_meshes[&appearance] = mesh;
  79 }
  80
  81 const GL::Mesh &Catalogue3D::get_endpoint_mesh(const TrackAppearance &appearance) const
  82 {
  83         return *get_item(endpoint_meshes, &appearance);
  84 }
  85
  86 } // namespace R2C2