source/engineer/controlpanel.cpp

   1 #include <msp/core/maputils.h>
   2 #include <msp/core/raii.h>
   3 #include <msp/gltk/button.h>
   4 #include <msp/gltk/label.h>
   5 #include <msp/gltk/row.h>
   6 #include "libr2c2/vehicle.h"
   7 #include "controlpanel.h"
   8 #include "engineer.h"
   9 #include "placementghost.h"
  10 #include "trainview.h"
  11
  12 using namespace std;
  13 using namespace Msp;
  14 using namespace R2C2;
  15
  16 ControlPanel::ControlPanel(Engineer &e, Train &t):
  17         engineer(e),
  18         train(t),
  19         updating(false),
  20         placing(false)
  21 {
  22         Loader::WidgetMap widgets;
  23         DataFile::load(*this, "data/controlpanel.ui", widgets);
  24
  25         dynamic_cast<GLtk::Label *>(get_item(widgets, "lbl_protocol"))->set_text(train.get_protocol());
  26         dynamic_cast<GLtk::Label *>(get_item(widgets, "lbl_address"))->set_text(lexical_cast<string>(train.get_address()));
  27
  28         dynamic_cast<GLtk::Button *>(get_item(widgets, "btn_place"))->signal_clicked.connect(sigc::mem_fun(this, &ControlPanel::place_clicked));
  29         dynamic_cast<GLtk::Button *>(get_item(widgets, "btn_take"))->signal_clicked.connect(sigc::mem_fun(this, &ControlPanel::take_clicked));
  30         dynamic_cast<GLtk::Button *>(get_item(widgets, "btn_view"))->signal_clicked.connect(sigc::mem_fun(this, &ControlPanel::view_clicked));
  31
  32         GLtk::Panel *pnl_functions = dynamic_cast<GLtk::Panel *>(get_item(widgets, "pnl_functions"));
  33
  34         const VehicleType::FunctionMap &funcs = train.get_vehicle(0).get_type().get_functions();
  35         GLtk::Row row(*pnl_functions->get_layout());
  36         for(VehicleType::FunctionMap::const_iterator i=funcs.begin(); i!=funcs.end(); ++i)
  37         {
  38                 GLtk::Toggle *tgl = new GLtk::Toggle(i->second);
  39                 tgl->signal_toggled.connect(sigc::bind(sigc::mem_fun(this, &ControlPanel::ui_function_toggled), i->first));
  40                 pnl_functions->add(*tgl);
  41                 tgl_funcs[i->first] = tgl;
  42         }
  43
  44         train.signal_function_changed.connect(sigc::mem_fun(this, &ControlPanel::train_function_changed));
  45 }
  46
  47 void ControlPanel::ui_function_toggled(bool value, unsigned func)
  48 {
  49         if(!updating)
  50                 train.set_function(func, value);
  51 }
  52
  53 void ControlPanel::train_function_changed(unsigned func, bool value)
  54 {
  55         SetFlag setf(updating);
  56         map<unsigned, GLtk::Toggle *>::iterator i = tgl_funcs.find(func);
  57         if(i!=tgl_funcs.end())
  58                 i->second->set_value(value);
  59 }
  60
  61 void ControlPanel::place_clicked()
  62 {
  63         signal_grab_pointer.emit();
  64         placing = true;
  65
  66         Layout3D &layout3d = engineer.get_layout_3d();
  67         unsigned n_vehs = train.get_n_vehicles();
  68         for(unsigned i=0; i<n_vehs; ++i)
  69                 ghosts.push_back(new PlacementGhost(layout3d, train.get_vehicle(i).get_type()));
  70 }
  71
  72 void ControlPanel::take_clicked()
  73 {
  74         train.unplace();
  75 }
  76
  77 void ControlPanel::view_clicked()
  78 {
  79         TrainView *dlg = new TrainView(engineer, train);
  80         find_ancestor<GLtk::Root>()->add(*dlg);
  81         dlg->autosize();
  82 }
  83
  84 void ControlPanel::button_press(int x, int y, unsigned btn)
  85 {
  86         Panel::button_press(x, y, btn);
  87
  88         if(placing)
  89         {
  90                 signal_ungrab_pointer.emit();
  91                 placing = false;
  92
  93                 for(vector<PlacementGhost *>::iterator i=ghosts.begin(); i!=ghosts.end(); ++i)
  94                         delete *i;
  95                 ghosts.clear();
  96
  97                 if(btn==1 && place_location)
  98                         train.place(place_location);
  99         }
 100 }
 101
 102 void ControlPanel::pointer_motion(int x, int y)
 103 {
 104         Panel::pointer_motion(x, y);
 105
 106         if(placing)
 107         {
 108                 int rx = x;
 109                 int ry = y;
 110                 map_coords_to_ancestor(rx, ry, *find_ancestor<GLtk::Root>());
 111                 Ray ray = engineer.get_main_view().create_ray(rx, ry);
 112                 Vector ground = ray.get_start()-ray.get_direction()*ray.get_start().z/ray.get_direction().z;
 113                 Track *track = engineer.get_layout().pick<Track>(ray);
 114                 if(track)
 115                 {
 116                         const vector<Block::Endpoint> &eps = track->get_block().get_endpoints();
 117                         int closest_ep = -1;
 118                         float closest_dist = -1;
 119                         for(unsigned i=0; i<eps.size(); ++i)
 120                         {
 121                                 Snap sn = eps[i].track->get_snap_node(eps[i].track_ep);
 122                                 float d = (sn.position-ground).norm();
 123                                 if(d<closest_dist || closest_dist<0)
 124                                 {
 125                                         closest_ep = i;
 126                                         closest_dist = d;
 127                                 }
 128                         }
 129
 130                         if(closest_ep>=0)
 131                         {
 132                                 place_location = BlockIter(&track->get_block(), closest_ep);
 133                                 ghosts.back()->place(place_location.track_iter());
 134                                 for(unsigned i=ghosts.size()-1; i--; )
 135                                         ghosts[i]->place_before(*ghosts[i+1]);
 136                         }
 137                 }
 138         }
 139 }