3 This file is part of R²C²
4 Copyright © 2006-2011 Mikkosoft Productions, Mikko Rasa
5 Distributed under the GPL
9 #include <msp/gl/matrix.h>
10 #include <msp/gl/renderer.h>
11 #include "libr2c2/tracktype.h"
16 #include "tracktype.h"
23 Track3D::Track3D(Layout3D &l, Track &t):
24 GL::ObjectInstance(l.get_catalogue().get_track(t.get_type()).get_object()),
27 type(layout.get_catalogue().get_track(track.get_type())),
28 path(new Path3D(*this))
30 layout.add_track(*this);
31 layout.get_scene().add(*this);
33 const vector<TrackType::Endpoint> &type_eps = track.get_type().get_endpoints();
34 const vector<Track *> &links = track.get_links();
35 for(unsigned i=0; i<type_eps.size(); ++i)
37 if(!links[i] || links[i]>&track)
38 endpoints.push_back(new Endpoint3D(*this, i));
40 endpoints.push_back(0);
43 track.signal_link_changed.connect(sigc::mem_fun(this, &Track3D::link_changed));
50 layout.remove_track(*this);
51 layout.get_scene().remove(*this);
53 for(vector<Endpoint3D *>::iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
57 void Track3D::get_bounds(float angle, Vector &minp, Vector &maxp) const
59 type.get_bounds(angle-track.get_rotation(), minp, maxp);
61 float c = cos(-angle);
62 float s = sin(-angle);
64 const Vector &pos = track.get_position();
65 minp.x += c*pos.x-s*pos.y;
66 maxp.x += c*pos.x-s*pos.y;
67 minp.y += s*pos.x+c*pos.y;
68 maxp.y += s*pos.x+c*pos.y;
72 float slope = track.get_slope();
79 Vector Track3D::get_node() const
81 const Vector &pos = track.get_position();
84 type.get_bounds(0, minp, maxp);
85 float rot = track.get_rotation();
89 Vector center((minp.x+maxp.x)/2, (minp.y+maxp.y)/2, 0);
90 return Vector(pos.x+c*center.x-s*center.y, pos.y+s*center.x+c*center.y, pos.z+0.02);
93 GL::Matrix Track3D::get_matrix() const
95 const Vector &pos = track.get_position();
96 float rot = track.get_rotation();
99 matrix.translate(pos.x, pos.y, pos.z);
100 matrix.rotate(rot, 0, 0, 1);
101 matrix.rotate(track.get_slope()/track.get_type().get_total_length(), 0, -1, 0);
106 void Track3D::setup_render(Msp::GL::Renderer &renderer, const GL::Tag &) const
108 renderer.matrix_stack() *= get_matrix();
111 void Track3D::link_changed(unsigned i, Track *trk)
113 if(!trk || trk>&track)
116 endpoints[i] = new Endpoint3D(*this, i);
118 else if(endpoints[i])