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         camera.set_up_direction(GL::Vector3(0, 0, 1));
 122         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 123
 124         // Setup UI
 125         root.signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 126         root.signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 127         root.signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 128         root.signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 129
 130         toolbars.push_back(new Layoutbar(*this));
 131         toolbars.push_back(new Trackbar(*this));
 132         toolbars.push_back(new Routebar(*this));
 133         toolbars.push_back(new Zonebar(*this));
 134         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 135         {
 136                 root.add(**i);
 137                 if(i!=toolbars.begin())
 138                         (*i)->expand(false);
 139                 (*i)->signal_expanded.connect(sigc::hide(sigc::mem_fun(this, &Designer::arrange_toolbars)));
 140         }
 141         arrange_toolbars();
 142
 143         GLtk::Panel *statusbar = new GLtk::Panel;
 144         root.add(*statusbar);
 145         statusbar->set_size(window.get_width(), 20);
 146         statusbar->set_focusable(false);
 147
 148         lbl_status = new GLtk::Label;
 149         statusbar->add(*lbl_status);
 150         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 151
 152         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 153
 154         camera_ctl.view_all();
 155
 156         const Layout3D::TrackMap &tracks = layout_3d->get_tracks();
 157         for(Layout3D::TrackMap::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 158                 update_track_icon(*i->second);
 159 }
 160
 161 Designer::~Designer()
 162 {
 163         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 164                 delete *i;
 165         delete overlay;
 166         delete pipeline;
 167         delete base_object;
 168         delete layout_3d;
 169         delete layout;
 170         delete cat_layout_3d;
 171 }
 172
 173 int Designer::main()
 174 {
 175         window.show();
 176
 177         mode = SELECT;
 178
 179         return Application::main();
 180 }
 181
 182 void Designer::save()
 183 {
 184         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 185         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 186 }
 187
 188 void Designer::quit()
 189 {
 190         exit(0);
 191 }
 192
 193 void Designer::new_track()
 194 {
 195         if(mode!=SELECT)
 196                 return;
 197
 198         mode = CATALOGUE;
 199         lbl_status->set_text("Select new track or press Esc to cancel");
 200 }
 201
 202 void Designer::erase_tracks()
 203 {
 204         if(mode!=SELECT)
 205                 return;
 206
 207         set<Track *> tracks = selection.get_tracks();
 208         selection.clear();
 209         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 210         {
 211                 overlay->clear(layout_3d->get_track(**i));
 212                 delete *i;
 213         }
 214 }
 215
 216 void Designer::track_properties()
 217 {
 218         if(mode!=SELECT || selection.empty())
 219                 return;
 220
 221         TrackProperties *track_prop = new TrackProperties(selection);
 222         root.add(*track_prop);
 223         const GLtk::Geometry &root_geom = root.get_geometry();
 224         const GLtk::Geometry &dlg_geom = track_prop->get_geometry();
 225         track_prop->set_position((root_geom.w-dlg_geom.w)/2, (root_geom.h-dlg_geom.h)/2);
 226
 227         track_prop->signal_response.connect(sigc::mem_fun(this, &Designer::track_properties_response));
 228 }
 229
 230 void Designer::extend_track()
 231 {
 232         if(mode!=SELECT)
 233                 return;
 234
 235         if(manipulator.start_extend())
 236                 mode = MANIPULATE;
 237 }
 238
 239 void Designer::connect_tracks()
 240 {
 241         if(mode!=SELECT)
 242                 return;
 243
 244         manipulator.connect();
 245 }
 246
 247 void Designer::flatten_tracks()
 248 {
 249         if(mode!=SELECT)
 250                 return;
 251
 252         manipulator.flatten();
 253 }
 254
 255 void Designer::svg_export()
 256 {
 257         InputDialog *input = new InputDialog(*this, "SVG export", FS::basepart(filename)+".svg");
 258         input->signal_accept.connect(sigc::mem_fun(this, &Designer::svg_export_accept));
 259 }
 260
 261 void Designer::edit_route(Route *r)
 262 {
 263         cur_route = r;
 264         cur_zone = 0;
 265         if(cur_route)
 266                 show_route(*cur_route);
 267         else
 268                 clear_paths();
 269 }
 270
 271 void Designer::rename_route()
 272 {
 273         if(mode!=SELECT || !cur_route)
 274                 return;
 275
 276         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 277         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 278 }
 279
 280 void Designer::add_selection_to_route()
 281 {
 282         if(!cur_route)
 283                 return;
 284
 285         try
 286         {
 287                 cur_route->add_tracks(selection.get_tracks());
 288         }
 289         catch(const Exception &e)
 290         {
 291                 lbl_status->set_text(e.what());
 292         }
 293
 294         show_route(*cur_route);
 295 }
 296
 297 void Designer::edit_zone(Zone *z)
 298 {
 299         cur_zone = z;
 300         cur_route = 0;
 301         if(cur_zone)
 302                 show_zone(*cur_zone);
 303         else
 304                 clear_paths();
 305 }
 306
 307 void Designer::zone_properties()
 308 {
 309         if(!cur_zone)
 310                 return;
 311
 312         ZoneProperties *zone_prop = new ZoneProperties(*cur_zone);
 313         root.add(*zone_prop);
 314         const GLtk::Geometry &root_geom = root.get_geometry();
 315         const GLtk::Geometry &dlg_geom = zone_prop->get_geometry();
 316         zone_prop->set_position((root_geom.w-dlg_geom.w)/2, (root_geom.h-dlg_geom.h)/2);
 317 }
 318
 319 void Designer::add_selection_to_zone()
 320 {
 321         if(!cur_zone)
 322                 return;
 323
 324         try
 325         {
 326                 cur_zone->add_tracks(selection.get_tracks());
 327         }
 328         catch(const Exception &e)
 329         {
 330                 lbl_status->set_text(e.what());
 331         }
 332
 333         show_zone(*cur_zone);
 334 }
 335
 336 Vector Designer::map_pointer_to_ground(int x, int y)
 337 {
 338         float xf = x*2.0/window.get_width()-1.0;
 339         float yf = y*2.0/window.get_height()-1.0;
 340         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 341         const GL::Vector3 &pos = camera.get_position();
 342
 343         return Vector(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 344 }
 345
 346 void Designer::tick()
 347 {
 348         const Msp::Time::TimeStamp t = Msp::Time::now();
 349         float dt = (t-last_tick)/Msp::Time::sec;
 350         last_tick = t;
 351
 352         if(mode==MANIPULATE_DONE)
 353                 mode = SELECT;
 354
 355         window.tick();
 356         root.tick();
 357         camera_ctl.tick(dt);
 358
 359         for(list<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
 360                 layout_3d->get_track(**i).get_path().set_mask(0);
 361         new_tracks.clear();
 362
 363         render();
 364
 365         window.swap_buffers();
 366 }
 367
 368 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 369 {
 370         key = Input::key_from_sys(key);
 371         mod = Input::mod_from_sys(mod);
 372
 373         if(key==Msp::Input::KEY_N && (mod&Input::MOD_SHIFT))
 374                 extend_track();
 375         else if(key==Msp::Input::KEY_N)
 376                 new_track();
 377         else if(key==Msp::Input::KEY_G)
 378         {
 379                 manipulator.start_move();
 380                 mode = MANIPULATE;
 381         }
 382         else if(key==Msp::Input::KEY_R)
 383         {
 384                 manipulator.start_rotate();
 385                 mode = MANIPULATE;
 386         }
 387         else if(key==Msp::Input::KEY_D)
 388         {
 389                 manipulator.duplicate();
 390                 manipulator.start_move();
 391                 mode = MANIPULATE;
 392         }
 393         else if(key==Msp::Input::KEY_W)
 394                 save();
 395         else if(key==Msp::Input::KEY_PLUS)
 396                 selection.select_more();
 397         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 398                 selection.select_blocks();
 399         else if(key==Msp::Input::KEY_L)
 400                 selection.select_linked();
 401         else if(key==Msp::Input::KEY_M)
 402         {
 403                 measure.start();
 404                 mode = MEASURE;
 405         }
 406         else if(key==Msp::Input::KEY_Z)
 407         {
 408                 manipulator.start_elevate();
 409                 mode = MANIPULATE;
 410         }
 411         else if(key==Msp::Input::KEY_ESC)
 412         {
 413                 if(mode==MANIPULATE)
 414                         manipulator.cancel();
 415                 else if(mode==CATALOGUE)
 416                         mode = SELECT;
 417                 else
 418                         selection.clear();
 419         }
 420         else if(key==Msp::Input::KEY_X)
 421                 erase_tracks();
 422         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 423         {
 424                 const set<Track *> &tracks = selection.get_tracks();
 425                 const set<Track *> &ltracks = layout->get_tracks();
 426                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 427                 {
 428                         (*i)->set_flex(!(*i)->get_flex());
 429                         (*i)->break_links();
 430                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 431                                 if(*j!=*i)
 432                                         (*i)->snap_to(**j, true);
 433
 434                         update_track_icon(layout_3d->get_track(**i));
 435                 }
 436         }
 437         else if(key==Msp::Input::KEY_F)
 438                 flatten_tracks();
 439         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 440                 manipulator.even_slope(true);
 441         else if(key==Msp::Input::KEY_E)
 442                 manipulator.even_slope();
 443         else if(key==Msp::Input::KEY_A)
 444         {
 445                 if(cur_route)
 446                         add_selection_to_route();
 447                 else if(cur_zone)
 448                         add_selection_to_zone();
 449         }
 450         else if(key==Msp::Input::KEY_C)
 451                 connect_tracks();
 452         else if(key==Msp::Input::KEY_V)
 453                 svg_export();
 454         else if(key==Msp::Input::KEY_P)
 455                 track_properties();
 456 }
 457
 458 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 459 {
 460         y = window.get_height()-y-1;
 461         mod = Input::mod_from_sys(mod);
 462
 463         Vector ground = map_pointer_to_ground(x, y);
 464
 465         if(mode==CATALOGUE)
 466         {
 467                 if(btn==1)
 468                 {
 469                         Track *ctrack = pick_track(x, y);
 470                         if(ctrack)
 471                         {
 472                                 Track *track = new Track(*layout, ctrack->get_type());
 473                                 track->set_position(ground);
 474
 475                                 selection.clear();
 476                                 selection.add_track(track);
 477
 478                                 mode = SELECT;
 479                         }
 480                 }
 481                 else
 482                         mode = SELECT;
 483         }
 484         else if(mode==SELECT)
 485         {
 486                 if(btn==1)
 487                 {
 488                         Track *track = pick_track(x, y);
 489                         if(track)
 490                         {
 491                                 if(!(mod&Input::MOD_SHIFT))
 492                                         selection.clear();
 493                                 selection.toggle_track(track);
 494                         }
 495                 }
 496         }
 497         else if(mode==MEASURE)
 498                 measure.button_press(x, y, ground.x, ground.y, btn);
 499 }
 500
 501 void Designer::pointer_motion(int x, int y)
 502 {
 503         y = window.get_height()-y-1;
 504
 505         if(!root.get_child_at(x, y))
 506         {
 507                 Vector ground = map_pointer_to_ground(x, y);
 508                 measure.pointer_motion(x, y, ground.x, ground.y);
 509         }
 510 }
 511
 512 void Designer::apply_camera()
 513 {
 514         if(mode==CATALOGUE)
 515         {
 516                 GL::matrix_mode(GL::PROJECTION);
 517                 GL::load_identity();
 518                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 519                 GL::matrix_mode(GL::MODELVIEW);
 520                 GL::load_identity();
 521                 GL::translate(0, 0, -1);
 522         }
 523         else
 524                 camera.apply();
 525 }
 526
 527 void Designer::render()
 528 {
 529         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 530
 531         if(mode==CATALOGUE)
 532         {
 533                 apply_camera();
 534                 cat_layout_3d->get_scene().render();
 535         }
 536         else
 537         {
 538                 pipeline->render_all();
 539                 {
 540                         GL::Bind bind_blend(GL::Blend::alpha());
 541                         overlay->render(0);
 542                 }
 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 }