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/misc.h>
11 #include <msp/gl/renderer.h>
12 #include "libr2c2/tracktype.h"
17 #include "tracktype.h"
24 Track3D::Track3D(Layout3D &l, Track &t):
25 GL::ObjectInstance(l.get_catalogue().get_track(t.get_type()).get_object()),
28 type(layout.get_catalogue().get_track(track.get_type())),
29 path(new Path3D(*this))
31 layout.add_track(*this);
32 layout.get_scene().add(*this);
34 const vector<TrackType::Endpoint> &type_eps = track.get_type().get_endpoints();
35 const vector<Track *> &links = track.get_links();
36 for(unsigned i=0; i<type_eps.size(); ++i)
38 if(!links[i] || links[i]>&track)
39 endpoints.push_back(new Endpoint3D(*this, i));
41 endpoints.push_back(0);
44 track.signal_link_changed.connect(sigc::mem_fun(this, &Track3D::link_changed));
51 layout.remove_track(*this);
52 layout.get_scene().remove(*this);
54 for(vector<Endpoint3D *>::iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
58 void Track3D::get_bounds(float angle, Vector &minp, Vector &maxp) const
60 type.get_bounds(angle-track.get_rotation(), minp, maxp);
62 float c = cos(-angle);
63 float s = sin(-angle);
65 const Vector &pos = track.get_position();
66 minp.x += c*pos.x-s*pos.y;
67 maxp.x += c*pos.x-s*pos.y;
68 minp.y += s*pos.x+c*pos.y;
69 maxp.y += s*pos.x+c*pos.y;
73 float slope = track.get_slope();
80 Vector Track3D::get_node() const
82 const Vector &pos = track.get_position();
85 type.get_bounds(0, minp, maxp);
86 float rot = track.get_rotation();
90 Vector center((minp.x+maxp.x)/2, (minp.y+maxp.y)/2, 0);
91 return Vector(pos.x+c*center.x-s*center.y, pos.y+s*center.x+c*center.y, pos.z+0.02);
94 GL::Matrix Track3D::get_matrix() const
96 const Vector &pos = track.get_position();
97 float rot = track.get_rotation();
100 matrix.translate(pos.x, pos.y, pos.z);
101 matrix.rotate(rot, 0, 0, 1);
102 matrix.rotate(track.get_slope()/track.get_type().get_total_length(), 0, -1, 0);
107 void Track3D::setup_render(Msp::GL::Renderer &renderer, const GL::Tag &) const
109 renderer.matrix_stack() *= get_matrix();
110 glPushName(reinterpret_cast<unsigned>(this));
113 void Track3D::finish_render(Msp::GL::Renderer &, const GL::Tag &) const
118 void Track3D::link_changed(unsigned i, Track *trk)
120 if(!trk || trk>&track)
123 endpoints[i] = new Endpoint3D(*this, i);
125 else if(endpoints[i])