source/engineer/trainview.cpp

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2010  Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <msp/gl/tests.h>
   9 #include <msp/gltk/button.h>
  10 #include <msp/gltk/image.h>
  11 #include "libmarklin/vehicle.h"
  12 #include "libmarklin/vehicletype.h"
  13 #include "engineer.h"
  14 #include "trainview.h"
  15
  16 using namespace Msp;
  17 using namespace Marklin;
  18
  19 TrainView::TrainView(Engineer &e, const Train &t):
  20         GLtk::Widget(e.get_ui_resources()),
  21         GLtk::Panel(e.get_ui_resources()),
  22         engineer(e),
  23         train(t),
  24         mode(SIDE),
  25         forward(true),
  26         pipeline(280, 280, false),
  27         stale(false)
  28 {
  29         set_size(300, 330);
  30
  31         tex.set_min_filter(GL::LINEAR);
  32         tex.storage(GL::RGB, 280, 280, 0);
  33         tex.image(0, GL::RGB, GL::UNSIGNED_BYTE, 0);
  34         fbo.attach(GL::COLOR_ATTACHMENT0, tex, 0);
  35         depth.storage(GL::DEPTH_COMPONENT, 280, 280);
  36         fbo.attach(GL::DEPTH_ATTACHMENT, depth);
  37
  38         camera.set_up_direction(GL::Vector3(0, 0, 1));
  39         camera.set_depth_clip(0.01, 10);
  40         camera.set_aspect(1);
  41         pipeline.set_camera(&camera);
  42
  43         pipeline.add_renderable(engineer.get_layout_3d().get_scene());
  44
  45         GL::PipelinePass *pass = &pipeline.add_pass(0);
  46         pass->depth_test = &GL::DepthTest::lequal();
  47         pass->lighting = &engineer.get_lighting();
  48
  49         GLtk::Image *image;
  50         add(*(image = new GLtk::Image(res, &tex)));
  51         image->set_geometry(GLtk::Geometry(10, 40, geom.w-20, geom.h-50));
  52
  53         GLtk::Button *btn;
  54
  55         add(*(btn = new GLtk::Button(res, "Roof")));
  56         btn->set_geometry(GLtk::Geometry(10, 10, 36, 25));
  57         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), ROOF));
  58
  59         add(*(btn = new GLtk::Button(res, "Side")));
  60         btn->set_geometry(GLtk::Geometry(46, 10, 36, 25));
  61         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), SIDE));
  62
  63         add(*(btn = new GLtk::Button(res, "Head")));
  64         btn->set_geometry(GLtk::Geometry(82, 10, 36, 25));
  65         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), HEAD));
  66
  67         add(*(tgl_forward = new GLtk::Toggle(res, "Fwd")));
  68         tgl_forward->set_geometry(GLtk::Geometry(118, 8, 36, 27));
  69         tgl_forward->set_value(true);
  70         tgl_forward->signal_toggled.connect(sigc::mem_fun(this, &TrainView::set_forward));
  71
  72         add(*(btn = new GLtk::Button(res, "Close")));
  73         btn->set_geometry(GLtk::Geometry(geom.w-46, 10, 36, 25));
  74         btn->signal_clicked.connect(sigc::mem_fun(this, &TrainView::close_clicked));
  75
  76         engineer.add_train_view(*this);
  77 }
  78
  79 TrainView::~TrainView()
  80 {
  81         engineer.remove_train_view(*this);
  82 }
  83
  84 void TrainView::set_mode(Mode m)
  85 {
  86         mode = m;
  87 }
  88
  89 void TrainView::set_forward(bool f)
  90 {
  91         forward = f;
  92 }
  93
  94 void TrainView::prepare()
  95 {
  96         const Vehicle &veh = train.get_vehicle(0);
  97         const Point &pos = veh.get_position();
  98         float angle = veh.get_direction();
  99         if(!forward)
 100                 angle += M_PI;
 101         float c = cos(angle);
 102         float s = sin(angle);
 103         float l = veh.get_type().get_length();
 104
 105         switch(mode)
 106         {
 107         case ROOF:
 108                 camera.set_position(GL::Vector3(pos.x-l*c, pos.y-l*s, pos.z+0.07));
 109                 camera.set_look_direction(GL::Vector3(c, s, -0.2));
 110                 break;
 111         case SIDE:
 112                 camera.set_position(GL::Vector3(pos.x-l*0.8*c+0.05*s, pos.y-l*0.8*s-0.05*c, pos.z+0.03));
 113                 camera.set_look_direction(GL::Vector3(c-0.2*s, s+0.2*c, 0));
 114                 break;
 115         case HEAD:
 116                 camera.set_position(GL::Vector3(pos.x+l*0.55*c, pos.y+l*0.55*s, pos.z+0.03));
 117                 camera.set_look_direction(GL::Vector3(c, s, 0));
 118                 break;
 119         }
 120
 121         GL::Bind _bind_fbo(fbo);
 122         fbo.clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 123         pipeline.render_all();
 124 }
 125
 126 void TrainView::button_release(int x, int y, unsigned btn)
 127 {
 128         GLtk::Panel::button_release(x, y, btn);
 129         if(stale)
 130                 delete this;
 131 }
 132
 133 void TrainView::close_clicked()
 134 {
 135         stale = true;
 136 }