2 #include <msp/gl/matrix.h>
3 #include <msp/gl/renderer.h>
4 #include "libr2c2/tracktype.h"
16 Track3D::Track3D(Layout3D &l, Track &t):
17 GL::ObjectInstance(l.get_catalogue().get_track(t.get_type()).get_object()),
20 type(layout.get_catalogue().get_track(track.get_type())),
21 path(new Path3D(*this))
23 layout.add_track(*this);
24 layout.get_scene().add(*this);
26 const vector<TrackType::Endpoint> &type_eps = track.get_type().get_endpoints();
27 const vector<Track *> &links = track.get_links();
28 for(unsigned i=0; i<type_eps.size(); ++i)
30 if(!links[i] || links[i]>&track)
31 endpoints.push_back(new Endpoint3D(*this, i));
33 endpoints.push_back(0);
36 track.signal_link_changed.connect(sigc::mem_fun(this, &Track3D::link_changed));
43 layout.remove_track(*this);
44 layout.get_scene().remove(*this);
46 for(vector<Endpoint3D *>::iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
50 void Track3D::get_bounds(float angle, Vector &minp, Vector &maxp) const
52 type.get_bounds(angle-track.get_rotation(), minp, maxp);
54 float c = cos(-angle);
55 float s = sin(-angle);
57 const Vector &pos = track.get_position();
58 minp.x += c*pos.x-s*pos.y;
59 maxp.x += c*pos.x-s*pos.y;
60 minp.y += s*pos.x+c*pos.y;
61 maxp.y += s*pos.x+c*pos.y;
65 float slope = track.get_slope();
72 Vector Track3D::get_node() const
74 const Vector &pos = track.get_position();
77 type.get_bounds(0, minp, maxp);
78 float rot = track.get_rotation();
82 Vector center((minp.x+maxp.x)/2, (minp.y+maxp.y)/2, 0);
83 return Vector(pos.x+c*center.x-s*center.y, pos.y+s*center.x+c*center.y, pos.z+0.02);
86 GL::Matrix Track3D::get_matrix() const
88 const Vector &pos = track.get_position();
89 float rot = track.get_rotation();
92 matrix.translate(pos.x, pos.y, pos.z);
93 matrix.rotate(rot, 0, 0, 1);
94 matrix.rotate(track.get_slope()/track.get_type().get_total_length(), 0, -1, 0);
99 void Track3D::setup_render(Msp::GL::Renderer &renderer, const GL::Tag &) const
101 renderer.matrix_stack() *= get_matrix();
104 void Track3D::link_changed(unsigned i, Track *trk)
106 if(!trk || trk>&track)
109 endpoints[i] = new Endpoint3D(*this, i);
111 else if(endpoints[i])