Render tracks through GL::Objects

[r2c2.git] / source / 3d / catalogue.cpp

diff --git a/source/3d/catalogue.cpp b/source/3d/catalogue.cpp
index 994d5f4d82169aa4dd386471373576a365db7afa..c3b9e1f3693fdafa18ab4b326090a7f67586c6c5 100644 (file)
--- a/source/3d/catalogue.cpp
+++ b/source/3d/catalogue.cpp
@@ -1,24 +1,50 @@
 /* $Id$
 
-This file is part of the MSP Märklin suite
+This file is part of R²C²
 Copyright © 2010 Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
 
+#include <msp/fs/stat.h>
+#include <msp/gl/meshbuilder.h>
+#include <msp/gl/object.h>
+#include <msp/gl/program.h>
+#include <msp/gl/technique.h>
 #include "catalogue.h"
 #include "tracktype.h"
+#include "vehicletype.h"
 
 using namespace std;
 using namespace Msp;
 
-namespace Marklin {
+namespace R2C2 {
 
-Catalogue3D::Catalogue3D(const Catalogue &c):
-       catalogue(c)
+Catalogue3D::Catalogue3D(Catalogue &c):
+       catalogue(c),
+       endpoint_mesh((GL::NORMAL3, GL::VERTEX3))
 {
-       const map<unsigned, TrackType *> &trks = catalogue.get_tracks();
-       for(map<unsigned, TrackType *>::const_iterator i=trks.begin(); i!=trks.end(); ++i)
-               tracks[i->second] = new TrackType3D(*this, *i->second);
+       add_creator<GL::Material>(&Catalogue3D::create<GL::Material>);
+       add_creator<GL::Mesh>(&Catalogue3D::create<GL::Mesh>);
+       add_creator<GL::Object>(&Catalogue3D::create2<GL::Object>);
+       add_creator<GL::Program>(&Catalogue3D::create<GL::Program>);
+       add_creator<GL::Technique>(&Catalogue3D::create2<GL::Technique>);
+
+       catalogue.signal_track_added.connect(sigc::mem_fun(this, &Catalogue3D::track_added));
+       catalogue.signal_vehicle_added.connect(sigc::mem_fun(this, &Catalogue3D::vehicle_added));
+
+       const Catalogue::TrackMap &trks = catalogue.get_tracks();
+       for(Catalogue::TrackMap::const_iterator i=trks.begin(); i!=trks.end(); ++i)
+               track_added(*i->second);
+
+       build_endpoint_mesh();
+}
+
+Catalogue3D::~Catalogue3D()
+{
+       for(map<const TrackType *, TrackType3D *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+               delete i->second;
+       for(map<const VehicleType *, VehicleType3D *>::iterator i=vehicles.begin(); i!=vehicles.end(); ++i)
+               delete i->second;
 }
 
 const TrackType3D &Catalogue3D::get_track(const TrackType &tt) const
@@ -30,4 +56,76 @@ const TrackType3D &Catalogue3D::get_track(const TrackType &tt) const
        return *i->second;
 }
 
-} // namespace Marklin
+const VehicleType3D &Catalogue3D::get_vehicle(const VehicleType &vt) const
+{
+       map<const VehicleType *, VehicleType3D *>::const_iterator i = vehicles.find(&vt);
+       if(i==vehicles.end())
+               throw KeyError("Unknown vehicle type");
+
+       return *i->second;
+}
+
+void Catalogue3D::track_added(const TrackType &track)
+{
+       tracks[&track] = new TrackType3D(*this, track);
+}
+
+void Catalogue3D::vehicle_added(const VehicleType &veh)
+{
+       vehicles[&veh] = new VehicleType3D(*this, veh);
+}
+
+void Catalogue3D::build_endpoint_mesh()
+{
+       const Profile &ballast_profile = catalogue.get_ballast_profile();
+       const Point &ballast_min = ballast_profile.get_min_coords();
+       const Point &ballast_max = ballast_profile.get_max_coords();
+
+       const Profile &rail_profile = catalogue.get_rail_profile();
+       const Point &rail_min = rail_profile.get_min_coords();
+       const Point &rail_max = rail_profile.get_max_coords();
+
+       float gauge = catalogue.get_gauge();
+
+       float width = max(max(-ballast_min.x, ballast_max.x)*2, gauge+(rail_max.x-rail_min.x)*2)+0.004;
+       float height = ballast_max.y-ballast_min.y+rail_max.y-rail_min.y+0.01;
+
+       GL::MeshBuilder bld(endpoint_mesh);
+       bld.normal(1, 0, 0);
+       bld.begin(GL::QUADS);
+       bld.vertex(0, width/2, 0);
+       bld.vertex(0, width/2, height);
+       bld.vertex(0, -width/2, height);
+       bld.vertex(0, -width/2, 0);
+       bld.end();
+}
+
+FS::Path Catalogue3D::locate_file(const string &name)
+{
+       if(FS::exists(name))
+               return name;
+
+       FS::Path path = FS::Path("data")/name;
+       if(FS::exists(path))
+               return path;
+
+       throw Exception("Can't locate "+name);
+}
+
+template<typename T>
+T *Catalogue3D::create(const string &name)
+{
+       RefPtr<T> obj = new T;
+       DataFile::load(*obj, locate_file(name).str());
+       return obj.release();
+}
+
+template<typename T>
+T *Catalogue3D::create2(const string &name)
+{
+       RefPtr<T> obj = new T;
+       DataFile::load(*obj, locate_file(name).str(), *this);
+       return obj.release();
+}
+
+} // namespace R2C2