source/engineer/trainview.cpp

   1 #include <msp/gl/tests.h>
   2 #include <msp/gltk/button.h>
   3 #include <msp/gltk/image.h>
   4 #include "libr2c2/vehicle.h"
   5 #include "libr2c2/vehicletype.h"
   6 #include "engineer.h"
   7 #include "trainview.h"
   8
   9 using namespace Msp;
  10 using namespace R2C2;
  11
  12 TrainView::TrainView(Engineer &e, const Train &t):
  13         engineer(e),
  14         train(t),
  15         mode(SIDE),
  16         forward(true),
  17         pipeline(280, 280, false),
  18         stale(false)
  19 {
  20         set_size(300, 330);
  21
  22         tex.set_min_filter(GL::LINEAR);
  23         tex.storage(GL::RGB, 280, 280);
  24         tex.image(0, GL::RGB, GL::UNSIGNED_BYTE, 0);
  25         fbo.attach(GL::COLOR_ATTACHMENT0, tex, 0);
  26         depth.storage(GL::DEPTH_COMPONENT, 280, 280);
  27         fbo.attach(GL::DEPTH_ATTACHMENT, depth);
  28
  29         camera.set_up_direction(GL::Vector3(0, 0, 1));
  30         camera.set_depth_clip(0.01, 10);
  31         camera.set_aspect(1);
  32         pipeline.set_camera(&camera);
  33
  34         pipeline.add_renderable(engineer.get_layout_3d().get_scene());
  35
  36         GL::Pipeline::Pass *pass = &pipeline.add_pass(0);
  37         pass->set_depth_test(&GL::DepthTest::lequal());
  38         pass->set_lighting(&engineer.get_lighting());
  39
  40         GLtk::Image *image;
  41         add(*(image = new GLtk::Image(&tex)));
  42         image->set_geometry(GLtk::Geometry(10, 40, geom.w-20, geom.h-50));
  43
  44         GLtk::Button *btn;
  45
  46         add(*(btn = new GLtk::Button("Roof")));
  47         btn->set_geometry(GLtk::Geometry(10, 10, 36, 25));
  48         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), ROOF));
  49
  50         add(*(btn = new GLtk::Button("Side")));
  51         btn->set_geometry(GLtk::Geometry(46, 10, 36, 25));
  52         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), SIDE));
  53
  54         add(*(btn = new GLtk::Button("Head")));
  55         btn->set_geometry(GLtk::Geometry(82, 10, 36, 25));
  56         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), HEAD));
  57
  58         add(*(tgl_forward = new GLtk::Toggle("Fwd")));
  59         tgl_forward->set_geometry(GLtk::Geometry(118, 8, 36, 27));
  60         tgl_forward->set_value(true);
  61         tgl_forward->signal_toggled.connect(sigc::mem_fun(this, &TrainView::set_forward));
  62
  63         add(*(btn = new GLtk::Button("Close")));
  64         btn->set_geometry(GLtk::Geometry(geom.w-46, 10, 36, 25));
  65         btn->signal_clicked.connect(sigc::mem_fun(this, &TrainView::close_clicked));
  66
  67         engineer.add_train_view(*this);
  68 }
  69
  70 TrainView::~TrainView()
  71 {
  72         engineer.remove_train_view(*this);
  73 }
  74
  75 void TrainView::set_mode(Mode m)
  76 {
  77         mode = m;
  78 }
  79
  80 void TrainView::set_forward(bool f)
  81 {
  82         forward = f;
  83 }
  84
  85 void TrainView::prepare()
  86 {
  87         const Vehicle &veh = train.get_vehicle(0);
  88         const Vector &pos = veh.get_position();
  89         Angle angle = veh.get_rotation();
  90         if(!forward)
  91                 angle += Angle::half_turn();
  92         Vector fwd_vec = rotated_vector(Vector(1, 0, 0), angle);
  93         Vector side_vec = rotated_vector(Vector(0, -1, 0), angle);
  94         float l = veh.get_type().get_length();
  95
  96         switch(mode)
  97         {
  98         case ROOF:
  99                 camera.set_position(pos-l*fwd_vec+Vector(0, 0, 0.07));
 100                 camera.set_look_direction(fwd_vec-Vector(0, 0, -0.2));
 101                 break;
 102         case SIDE:
 103                 camera.set_position(pos-0.8f*fwd_vec+0.05f*side_vec+Vector(0, 0, 0.03));
 104                 camera.set_look_direction(fwd_vec-side_vec*0.2f);
 105                 break;
 106         case HEAD:
 107                 camera.set_position(pos+fwd_vec*(l*0.55f)+Vector(0, 0, 0.03));
 108                 camera.set_look_direction(fwd_vec);
 109                 break;
 110         }
 111
 112         GL::Bind _bind_fbo(fbo);
 113         fbo.clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 114         pipeline.render();
 115 }
 116
 117 void TrainView::button_release(int x, int y, unsigned btn)
 118 {
 119         GLtk::Panel::button_release(x, y, btn);
 120         if(stale)
 121                 delete this;
 122 }
 123
 124 void TrainView::close_clicked()
 125 {
 126         stale = true;
 127 }