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         pipeline(280, 280, false),
  26         stale(false)
  27 {
  28         set_size(300, 330);
  29
  30         tex.set_min_filter(GL::LINEAR);
  31         tex.storage(GL::RGB, 280, 280, 0);
  32         tex.image(0, GL::RGB, GL::UNSIGNED_BYTE, 0);
  33         fbo.attach(GL::COLOR_ATTACHMENT0, tex, 0);
  34         depth.storage(GL::DEPTH_COMPONENT, 280, 280);
  35         fbo.attach(GL::DEPTH_ATTACHMENT, depth);
  36
  37         camera.set_up_direction(GL::Vector3(0, 0, 1));
  38         camera.set_depth_clip(0.01, 10);
  39         camera.set_aspect(1);
  40         pipeline.set_camera(&camera);
  41
  42         pipeline.add_renderable(engineer.get_layout_3d().get_scene());
  43
  44         GL::PipelinePass *pass = &pipeline.add_pass(0);
  45         pass->depth_test = &GL::DepthTest::lequal();
  46         pass->lighting = &engineer.get_lighting();
  47
  48         GLtk::Image *image;
  49         add(*(image = new GLtk::Image(res, &tex)));
  50         image->set_geometry(GLtk::Geometry(10, 40, geom.w-20, geom.h-50));
  51
  52         GLtk::Button *btn;
  53
  54         add(*(btn = new GLtk::Button(res, "Roof")));
  55         btn->set_geometry(GLtk::Geometry(10, 10, 36, 25));
  56         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), ROOF));
  57
  58         add(*(btn = new GLtk::Button(res, "Side")));
  59         btn->set_geometry(GLtk::Geometry(46, 10, 36, 25));
  60         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), SIDE));
  61
  62         add(*(btn = new GLtk::Button(res, "Head")));
  63         btn->set_geometry(GLtk::Geometry(82, 10, 36, 25));
  64         btn->signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &TrainView::set_mode), HEAD));
  65
  66         add(*(btn = new GLtk::Button(res, "Close")));
  67         btn->set_geometry(GLtk::Geometry(geom.w-46, 10, 36, 25));
  68         btn->signal_clicked.connect(sigc::mem_fun(this, &TrainView::close_clicked));
  69
  70         engineer.add_train_view(*this);
  71 }
  72
  73 TrainView::~TrainView()
  74 {
  75         engineer.remove_train_view(*this);
  76 }
  77
  78 void TrainView::set_mode(Mode m)
  79 {
  80         mode = m;
  81 }
  82
  83 void TrainView::prepare()
  84 {
  85         const Vehicle &veh = train.get_vehicle(0);
  86         const Point &pos = veh.get_position();
  87         float angle = veh.get_direction();
  88         float c = cos(angle);
  89         float s = sin(angle);
  90         float l = veh.get_type().get_length();
  91
  92         switch(mode)
  93         {
  94         case ROOF:
  95                 camera.set_position(GL::Vector3(pos.x-l*c, pos.y-l*s, pos.z+0.07));
  96                 camera.set_look_direction(GL::Vector3(c, s, -0.2));
  97                 break;
  98         case SIDE:
  99                 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));
 100                 camera.set_look_direction(GL::Vector3(c-0.2*s, s+0.2*c, 0));
 101                 break;
 102         case HEAD:
 103                 camera.set_position(GL::Vector3(pos.x+l*0.55*c, pos.y+l*0.55*s, pos.z+0.03));
 104                 camera.set_look_direction(GL::Vector3(c, s, 0));
 105                 break;
 106         }
 107
 108         GL::Bind _bind_fbo(fbo);
 109         fbo.clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 110         pipeline.render_all();
 111 }
 112
 113 void TrainView::button_release(int x, int y, unsigned btn)
 114 {
 115         GLtk::Panel::button_release(x, y, btn);
 116         if(stale)
 117                 delete this;
 118 }
 119
 120 void TrainView::close_clicked()
 121 {
 122         stale = true;
 123 }