source/designer/designer.cpp

   1 /* $Id$
   2
   3 This file is part of R²C²
   4 Copyright © 2006-2011 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <signal.h>
   9 #include <algorithm>
  10 #include <cmath>
  11 #include <msp/fs/utils.h>
  12 #include <msp/gl/blend.h>
  13 #include <msp/gl/framebuffer.h>
  14 #include <msp/gl/matrix.h>
  15 #include <msp/gl/misc.h>
  16 #include <msp/gl/projection.h>
  17 #include <msp/gl/tests.h>
  18 #include <msp/gl/texture2d.h>
  19 #include <msp/input/keys.h>
  20 #include <msp/io/print.h>
  21 #include <msp/strings/codec.h>
  22 #include <msp/strings/lexicalcast.h>
  23 #include <msp/strings/utf8.h>
  24 #include <msp/strings/utils.h>
  25 #include <msp/time/units.h>
  26 #include <msp/time/utils.h>
  27 #include "libr2c2/route.h"
  28 #include "libr2c2/tracktype.h"
  29 #include "libr2c2/zone.h"
  30 #include "3d/path.h"
  31 #include "designer.h"
  32 #include "input.h"
  33 #include "layoutbar.h"
  34 #include "manipulator.h"
  35 #include "measure.h"
  36 #include "routebar.h"
  37 #include "selection.h"
  38 #include "svgexporter.h"
  39 #include "trackbar.h"
  40 #include "trackproperties.h"
  41 #include "zonebar.h"
  42 #include "zoneproperties.h"
  43
  44 using namespace std;
  45 using namespace R2C2;
  46 using namespace Msp;
  47
  48 Application::RegApp<Designer> Designer::reg;
  49
  50 Designer::Designer(int argc, char **argv):
  51         window(1280, 960),
  52         ui_res("r2c2.res"),
  53         root(ui_res, window),
  54         base_object(0),
  55         cur_route(0),
  56         cur_zone(0),
  57         mode(SELECT),
  58         manipulator(*this, root, selection),
  59         measure(*this),
  60         camera_ctl(*this, root, camera),
  61         track_wrap(*this, selection)
  62 {
  63         window.set_title("Railway Designer");
  64         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  65
  66         selection.signal_changed.connect(sigc::mem_fun(this, &Designer::selection_changed));
  67         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  68         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  69         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  70         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  71
  72         // Setup catalogue and layout
  73         DataFile::load(catalogue, "tracks.dat");
  74
  75         cat_layout_3d = new Layout3D(catalogue.get_layout());
  76
  77         layout = new Layout(catalogue);
  78         layout_3d = new Layout3D(*layout);
  79
  80         layout->signal_track_added.connect(sigc::mem_fun(this, &Designer::track_added));
  81         layout->signal_track_removed.connect(sigc::mem_fun(this, &Designer::track_removed));
  82
  83         if(argc>1)
  84         {
  85                 filename = argv[1];
  86                 DataFile::load(*layout, argv[1]);
  87
  88                 if(!layout->get_base().empty())
  89                 {
  90                         base_object = new GL::Object;
  91                         DataFile::load(*base_object, layout->get_base());
  92                 }
  93         }
  94
  95         // Setup OpenGL
  96         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  97         pipeline->set_camera(&camera);
  98         pipeline->add_renderable_for_pass(layout_3d->get_scene(), 0);
  99         if(base_object)
 100                 pipeline->add_renderable(*base_object);
 101         pipeline->add_renderable_for_pass(track_wrap, "unlit");
 102         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
 103         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
 104
 105         light.set_position(0, -0.259, 0.966, 0);
 106         lighting.attach(0, light);
 107
 108         GL::PipelinePass *pass = &pipeline->add_pass(0);
 109         pass->lighting = &lighting;
 110         pass->depth_test = &GL::DepthTest::lequal();
 111
 112         pass = &pipeline->add_pass("unlit");
 113         pass->depth_test = &GL::DepthTest::lequal();
 114         pass->blend = &GL::Blend::alpha();
 115
 116         pass = &pipeline->add_pass("blended");
 117         pass->lighting = &lighting;
 118         pass->depth_test = &GL::DepthTest::lequal();
 119         pass->blend = &GL::Blend::alpha();
 120
 121         pass = &pipeline->add_pass("overlay");
 122         pass->blend = &GL::Blend::alpha();
 123
 124         camera.set_up_direction(GL::Vector3(0, 0, 1));
 125         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 126
 127         // Setup UI
 128         root.signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 129         root.signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 130         root.signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 131         root.signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 132
 133         toolbars.push_back(new Layoutbar(*this));
 134         toolbars.push_back(new Trackbar(*this));
 135         toolbars.push_back(new Routebar(*this));
 136         toolbars.push_back(new Zonebar(*this));
 137         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 138         {
 139                 root.add(**i);
 140                 if(i!=toolbars.begin())
 141                         (*i)->expand(false);
 142                 (*i)->signal_expanded.connect(sigc::hide(sigc::mem_fun(this, &Designer::arrange_toolbars)));
 143         }
 144         arrange_toolbars();
 145
 146         GLtk::Panel *statusbar = new GLtk::Panel;
 147         root.add(*statusbar);
 148         statusbar->set_size(window.get_width(), 20);
 149         statusbar->set_focusable(false);
 150
 151         lbl_status = new GLtk::Label;
 152         statusbar->add(*lbl_status);
 153         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 154
 155         overlay = new Overlay3D(ui_res.get_default_font());
 156         pipeline->add_renderable_for_pass(*overlay, "overlay");
 157
 158         camera_ctl.view_all();
 159
 160         const Layout3D::TrackMap &tracks = layout_3d->get_tracks();
 161         for(Layout3D::TrackMap::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 162                 update_track_icon(*i->second);
 163 }
 164
 165 Designer::~Designer()
 166 {
 167         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 168                 delete *i;
 169         delete overlay;
 170         delete pipeline;
 171         delete base_object;
 172         delete layout_3d;
 173         delete layout;
 174         delete cat_layout_3d;
 175 }
 176
 177 int Designer::main()
 178 {
 179         window.show();
 180
 181         mode = SELECT;
 182
 183         return Application::main();
 184 }
 185
 186 void Designer::save()
 187 {
 188         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 189         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 190 }
 191
 192 void Designer::quit()
 193 {
 194         exit(0);
 195 }
 196
 197 void Designer::new_track()
 198 {
 199         if(mode!=SELECT)
 200                 return;
 201
 202         mode = CATALOGUE;
 203         lbl_status->set_text("Select new track or press Esc to cancel");
 204 }
 205
 206 void Designer::erase_tracks()
 207 {
 208         if(mode!=SELECT)
 209                 return;
 210
 211         set<Track *> tracks = selection.get_tracks();
 212         selection.clear();
 213         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 214         {
 215                 overlay->clear(layout_3d->get_track(**i));
 216                 delete *i;
 217         }
 218 }
 219
 220 void Designer::track_properties()
 221 {
 222         if(mode!=SELECT || selection.empty())
 223                 return;
 224
 225         TrackProperties *track_prop = new TrackProperties(selection);
 226         root.add(*track_prop);
 227         const GLtk::Geometry &root_geom = root.get_geometry();
 228         const GLtk::Geometry &dlg_geom = track_prop->get_geometry();
 229         track_prop->set_position((root_geom.w-dlg_geom.w)/2, (root_geom.h-dlg_geom.h)/2);
 230
 231         track_prop->signal_response.connect(sigc::mem_fun(this, &Designer::track_properties_response));
 232 }
 233
 234 void Designer::extend_track()
 235 {
 236         if(mode!=SELECT)
 237                 return;
 238
 239         if(manipulator.start_extend())
 240                 mode = MANIPULATE;
 241 }
 242
 243 void Designer::connect_tracks()
 244 {
 245         if(mode!=SELECT)
 246                 return;
 247
 248         manipulator.connect();
 249 }
 250
 251 void Designer::flatten_tracks()
 252 {
 253         if(mode!=SELECT)
 254                 return;
 255
 256         manipulator.flatten();
 257 }
 258
 259 void Designer::svg_export()
 260 {
 261         InputDialog *input = new InputDialog(*this, "SVG export", FS::basepart(filename)+".svg");
 262         input->signal_accept.connect(sigc::mem_fun(this, &Designer::svg_export_accept));
 263 }
 264
 265 void Designer::edit_route(Route *r)
 266 {
 267         cur_route = r;
 268         cur_zone = 0;
 269         if(cur_route)
 270                 show_route(*cur_route);
 271         else
 272                 clear_paths();
 273 }
 274
 275 void Designer::rename_route()
 276 {
 277         if(mode!=SELECT || !cur_route)
 278                 return;
 279
 280         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 281         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 282 }
 283
 284 void Designer::add_selection_to_route()
 285 {
 286         if(!cur_route)
 287                 return;
 288
 289         try
 290         {
 291                 cur_route->add_tracks(selection.get_tracks());
 292         }
 293         catch(const Exception &e)
 294         {
 295                 lbl_status->set_text(e.what());
 296         }
 297
 298         show_route(*cur_route);
 299 }
 300
 301 void Designer::edit_zone(Zone *z)
 302 {
 303         cur_zone = z;
 304         cur_route = 0;
 305         if(cur_zone)
 306                 show_zone(*cur_zone);
 307         else
 308                 clear_paths();
 309 }
 310
 311 void Designer::zone_properties()
 312 {
 313         if(!cur_zone)
 314                 return;
 315
 316         ZoneProperties *zone_prop = new ZoneProperties(*cur_zone);
 317         root.add(*zone_prop);
 318         const GLtk::Geometry &root_geom = root.get_geometry();
 319         const GLtk::Geometry &dlg_geom = zone_prop->get_geometry();
 320         zone_prop->set_position((root_geom.w-dlg_geom.w)/2, (root_geom.h-dlg_geom.h)/2);
 321 }
 322
 323 void Designer::add_selection_to_zone()
 324 {
 325         if(!cur_zone)
 326                 return;
 327
 328         try
 329         {
 330                 cur_zone->add_tracks(selection.get_tracks());
 331         }
 332         catch(const Exception &e)
 333         {
 334                 lbl_status->set_text(e.what());
 335         }
 336
 337         show_zone(*cur_zone);
 338 }
 339
 340 Vector Designer::map_pointer_to_ground(int x, int y)
 341 {
 342         float xf = x*2.0/window.get_width()-1.0;
 343         float yf = y*2.0/window.get_height()-1.0;
 344         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 345         const GL::Vector3 &pos = camera.get_position();
 346
 347         return Vector(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 348 }
 349
 350 void Designer::tick()
 351 {
 352         const Msp::Time::TimeStamp t = Msp::Time::now();
 353         float dt = (t-last_tick)/Msp::Time::sec;
 354         last_tick = t;
 355
 356         if(mode==MANIPULATE_DONE)
 357                 mode = SELECT;
 358
 359         window.tick();
 360         root.tick();
 361         camera_ctl.tick(dt);
 362
 363         for(list<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
 364                 layout_3d->get_track(**i).get_path().set_mask(0);
 365         new_tracks.clear();
 366
 367         render();
 368
 369         window.swap_buffers();
 370 }
 371
 372 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 373 {
 374         key = Input::key_from_sys(key);
 375         mod = Input::mod_from_sys(mod);
 376
 377         if(key==Msp::Input::KEY_N && (mod&Input::MOD_SHIFT))
 378                 extend_track();
 379         else if(key==Msp::Input::KEY_N)
 380                 new_track();
 381         else if(key==Msp::Input::KEY_G)
 382         {
 383                 manipulator.start_move();
 384                 mode = MANIPULATE;
 385         }
 386         else if(key==Msp::Input::KEY_R)
 387         {
 388                 manipulator.start_rotate();
 389                 mode = MANIPULATE;
 390         }
 391         else if(key==Msp::Input::KEY_D)
 392         {
 393                 manipulator.duplicate();
 394                 manipulator.start_move();
 395                 mode = MANIPULATE;
 396         }
 397         else if(key==Msp::Input::KEY_W)
 398                 save();
 399         else if(key==Msp::Input::KEY_PLUS)
 400                 selection.select_more();
 401         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 402                 selection.select_blocks();
 403         else if(key==Msp::Input::KEY_L)
 404                 selection.select_linked();
 405         else if(key==Msp::Input::KEY_M)
 406         {
 407                 measure.start();
 408                 mode = MEASURE;
 409         }
 410         else if(key==Msp::Input::KEY_Z)
 411         {
 412                 manipulator.start_elevate();
 413                 mode = MANIPULATE;
 414         }
 415         else if(key==Msp::Input::KEY_ESC)
 416         {
 417                 if(mode==MANIPULATE)
 418                         manipulator.cancel();
 419                 else if(mode==CATALOGUE)
 420                         mode = SELECT;
 421                 else
 422                         selection.clear();
 423         }
 424         else if(key==Msp::Input::KEY_X)
 425                 erase_tracks();
 426         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 427         {
 428                 const set<Track *> &tracks = selection.get_tracks();
 429                 const set<Track *> &ltracks = layout->get_tracks();
 430                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 431                 {
 432                         (*i)->set_flex(!(*i)->get_flex());
 433                         (*i)->break_links();
 434                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 435                                 if(*j!=*i)
 436                                         (*i)->snap_to(**j, true);
 437
 438                         update_track_icon(layout_3d->get_track(**i));
 439                 }
 440         }
 441         else if(key==Msp::Input::KEY_F)
 442                 flatten_tracks();
 443         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 444                 manipulator.even_slope(true);
 445         else if(key==Msp::Input::KEY_E)
 446                 manipulator.even_slope();
 447         else if(key==Msp::Input::KEY_A)
 448         {
 449                 if(cur_route)
 450                         add_selection_to_route();
 451                 else if(cur_zone)
 452                         add_selection_to_zone();
 453         }
 454         else if(key==Msp::Input::KEY_C)
 455                 connect_tracks();
 456         else if(key==Msp::Input::KEY_V)
 457                 svg_export();
 458         else if(key==Msp::Input::KEY_P)
 459                 track_properties();
 460 }
 461
 462 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 463 {
 464         y = window.get_height()-y-1;
 465         mod = Input::mod_from_sys(mod);
 466
 467         Vector ground = map_pointer_to_ground(x, y);
 468
 469         if(mode==CATALOGUE)
 470         {
 471                 if(btn==1)
 472                 {
 473                         Track *ctrack = pick_track(x, y);
 474                         if(ctrack)
 475                         {
 476                                 Track *track = new Track(*layout, ctrack->get_type());
 477                                 track->set_position(ground);
 478
 479                                 selection.clear();
 480                                 selection.add_track(track);
 481
 482                                 mode = SELECT;
 483                         }
 484                 }
 485                 else
 486                         mode = SELECT;
 487         }
 488         else if(mode==SELECT)
 489         {
 490                 if(btn==1)
 491                 {
 492                         Track *track = pick_track(x, y);
 493                         if(track)
 494                         {
 495                                 if(!(mod&Input::MOD_SHIFT))
 496                                         selection.clear();
 497                                 selection.toggle_track(track);
 498                         }
 499                 }
 500         }
 501         else if(mode==MEASURE)
 502                 measure.button_press(x, y, ground.x, ground.y, btn);
 503 }
 504
 505 void Designer::pointer_motion(int x, int y)
 506 {
 507         y = window.get_height()-y-1;
 508
 509         if(!root.get_child_at(x, y))
 510         {
 511                 Vector ground = map_pointer_to_ground(x, y);
 512                 measure.pointer_motion(x, y, ground.x, ground.y);
 513         }
 514 }
 515
 516 void Designer::apply_camera()
 517 {
 518         if(mode==CATALOGUE)
 519         {
 520                 GL::matrix_mode(GL::PROJECTION);
 521                 GL::load_identity();
 522                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 523                 GL::matrix_mode(GL::MODELVIEW);
 524                 GL::load_identity();
 525                 GL::translate(0, 0, -1);
 526         }
 527         else
 528                 camera.apply();
 529 }
 530
 531 void Designer::render()
 532 {
 533         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 534
 535         if(mode==CATALOGUE)
 536         {
 537                 apply_camera();
 538                 cat_layout_3d->get_scene().render();
 539         }
 540         else
 541         {
 542                 pipeline->render_all();
 543
 544                 GL::Bind bind_depth(GL::DepthTest::lequal());
 545                 if(mode==MEASURE)
 546                         measure.render();
 547         }
 548
 549         GL::matrix_mode(GL::PROJECTION);
 550         GL::load_identity();
 551         GL::ortho_bottomleft(window.get_width(), window.get_height());
 552         GL::matrix_mode(GL::MODELVIEW);
 553         GL::load_identity();
 554
 555         GL::Bind bind_blend(GL::Blend::alpha());
 556         root.render();
 557         // XXX Should fix GLtk so these would not be needed
 558         GL::Texture::unbind();
 559         glColor3f(1.0, 1.0, 1.0);
 560 }
 561
 562 void Designer::track_added(Track &trk)
 563 {
 564         new_tracks.push_back(&trk);
 565 }
 566
 567 void Designer::track_removed(Track &trk)
 568 {
 569         list<Track *>::iterator i = find(new_tracks.begin(), new_tracks.end(), &trk);
 570         if(i!=new_tracks.end())
 571                 new_tracks.erase(i);
 572 }
 573
 574 Track *Designer::pick_track(int x, int y)
 575 {
 576         float xx = x*2.0/window.get_width()-1.0;
 577         float yy = y*2.0/window.get_height()-1.0;
 578         if(mode==CATALOGUE)
 579                 return catalogue.get_layout().pick_track(Vector(0, 0, 1), Vector(xx*0.05523, yy*0.042421, -0.1));
 580         else
 581         {
 582                 const GL::Vector3 &cpos = camera.get_position();
 583                 GL::Vector4 cray = camera.unproject(GL::Vector4(xx, yy, 0, 0));
 584                 return layout->pick_track(Vector(cpos.x, cpos.y, cpos.z), Vector(cray.x, cray.y, cray.z));
 585         }
 586 }
 587
 588 void Designer::update_track_icon(Track3D &track)
 589 {
 590         overlay->clear(track);
 591
 592         if(track.get_track().get_flex())
 593                 overlay->add_graphic(track, "flex");
 594
 595         if(unsigned sid = track.get_track().get_sensor_id())
 596         {
 597                 overlay->add_graphic(track, "sensor");
 598                 overlay->set_label(track, lexical_cast(sid));
 599         }
 600         else if(unsigned tid = track.get_track().get_turnout_id())
 601         {
 602                 if(tid<0x800)
 603                 {
 604                         overlay->add_graphic(track, "turnout");
 605                         overlay->set_label(track, lexical_cast(tid));
 606                 }
 607         }
 608 }
 609
 610 void Designer::selection_changed()
 611 {
 612         const set<Track *> &tracks = selection.get_tracks();
 613         if(tracks.empty())
 614                 lbl_status->set_text(string());
 615         else
 616         {
 617                 float len = 0;
 618                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 619                         len += (*i)->get_type().get_total_length();
 620                 lbl_status->set_text(format("%.2fm of track selected\n", len));
 621         }
 622 }
 623
 624 void Designer::manipulation_status(const string &status)
 625 {
 626         lbl_status->set_text(status);
 627 }
 628
 629 void Designer::manipulation_done(bool)
 630 {
 631         mode = MANIPULATE_DONE;
 632         selection_changed();
 633 }
 634
 635 void Designer::measure_changed()
 636 {
 637         float pard = measure.get_parallel_distance()*1000;
 638         float perpd = measure.get_perpendicular_distance()*1000;
 639         float d = sqrt(pard*pard+perpd*perpd);
 640         float adiff = measure.get_angle_difference()*180/M_PI;
 641         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff);
 642         lbl_status->set_text(info);
 643 }
 644
 645 void Designer::measure_done()
 646 {
 647         mode = SELECT;
 648         selection_changed();
 649 }
 650
 651 void Designer::arrange_toolbars()
 652 {
 653         unsigned x = 0;
 654         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 655         {
 656                 const GLtk::Geometry &geom = (*i)->get_geometry();
 657                 (*i)->set_position(x, window.get_height()-geom.h);
 658                 x += geom.w;
 659         }
 660 }
 661
 662 void Designer::track_properties_response(int)
 663 {
 664         const set<Track *> &tracks = selection.get_tracks();
 665         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 666                 update_track_icon(layout_3d->get_track(**i));
 667 }
 668
 669 void Designer::route_name_accept(const string &text)
 670 {
 671         if(cur_route)
 672                 cur_route->set_name(text);
 673 }
 674
 675 void Designer::svg_export_accept(const string &text)
 676 {
 677         SvgExporter svg_exp(*layout);
 678         svg_exp.save(text);
 679 }
 680
 681 string Designer::tooltip(int x, int y)
 682 {
 683         if(Track *track = pick_track(x, y))
 684         {
 685                 const TrackType &ttype = track->get_type();
 686                 string info = format("%d %s", ttype.get_article_number(), ttype.get_description());
 687                 if(mode!=CATALOGUE && abs(track->get_slope())>1e-4)
 688                         info += format(" (slope %.1f%%)", abs(track->get_slope()/ttype.get_total_length()*100));
 689                 if(track->get_turnout_id())
 690                         info += format(" (turnout %d)", track->get_turnout_id());
 691                 else if(track->get_sensor_id())
 692                         info += format(" (sensor %d)", track->get_sensor_id());
 693
 694                 return info;
 695         }
 696
 697         return string();
 698 }
 699
 700 void Designer::clear_paths()
 701 {
 702         const set<Track *> &ltracks = layout->get_tracks();
 703         for(set<Track *>::iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 704         {
 705                 Track3D &t3d = layout_3d->get_track(**i);
 706                 t3d.get_path().set_mask(0);
 707         }
 708 }
 709
 710 void Designer::show_route(const Route &route)
 711 {
 712         clear_paths();
 713
 714         const set<Track *> &rtracks = route.get_tracks();
 715         for(set<Track *>::iterator i=rtracks.begin(); i!=rtracks.end(); ++i)
 716         {
 717                 Track3D &t3d = layout_3d->get_track(**i);
 718                 t3d.get_path().set_color(GL::Color(0.5, 0.8, 1.0));
 719                 int path = -1;
 720                 if(unsigned tid = (*i)->get_turnout_id())
 721                         path = route.get_turnout(tid);
 722                 if(path>=0)
 723                         t3d.get_path().set_path(path);
 724                 else
 725                         t3d.get_path().set_mask((*i)->get_type().get_paths());
 726         }
 727 }
 728
 729 void Designer::show_zone(const Zone &zone)
 730 {
 731         clear_paths();
 732
 733         const Zone::TrackSet &ztracks = zone.get_tracks();
 734         for(Zone::TrackSet::const_iterator i=ztracks.begin(); i!=ztracks.end(); ++i)
 735         {
 736                 Track3D &t3d = layout_3d->get_track(**i);
 737                 t3d.get_path().set_color(GL::Color(0.8, 1.0, 0.5));
 738                 t3d.get_path().set_mask((*i)->get_type().get_paths());
 739         }
 740 }