source/designer/designer.cpp

   1 #include <signal.h>
   2 #include <algorithm>
   3 #include <cmath>
   4 #include <msp/fs/utils.h>
   5 #include <msp/gl/blend.h>
   6 #include <msp/gl/framebuffer.h>
   7 #include <msp/gl/matrix.h>
   8 #include <msp/gl/misc.h>
   9 #include <msp/gl/tests.h>
  10 #include <msp/gl/texture2d.h>
  11 #include <msp/input/keys.h>
  12 #include <msp/io/print.h>
  13 #include <msp/stringcodec/codec.h>
  14 #include <msp/stringcodec/utf8.h>
  15 #include <msp/strings/lexicalcast.h>
  16 #include <msp/strings/utils.h>
  17 #include <msp/time/units.h>
  18 #include <msp/time/utils.h>
  19 #include "libr2c2/route.h"
  20 #include "libr2c2/tracktype.h"
  21 #include "libr2c2/zone.h"
  22 #include "3d/path.h"
  23 #include "designer.h"
  24 #include "input.h"
  25 #include "layoutbar.h"
  26 #include "manipulator.h"
  27 #include "measure.h"
  28 #include "routebar.h"
  29 #include "selection.h"
  30 #include "svgexporter.h"
  31 #include "trackbar.h"
  32 #include "trackproperties.h"
  33 #include "zonebar.h"
  34 #include "zoneproperties.h"
  35
  36 using namespace std;
  37 using namespace R2C2;
  38 using namespace Msp;
  39
  40 Designer::Designer(int argc, char **argv):
  41         window(1280, 960),
  42         keyboard(window),
  43         mouse(window),
  44         ui_res("r2c2.res"),
  45         root(ui_res, &window, &keyboard, &mouse),
  46         base_object(0),
  47         cur_route(0),
  48         cur_zone(0),
  49         mode(SELECT),
  50         sel_wrap(selection),
  51         manipulator(*this, mouse, selection),
  52         measure(*this)
  53 {
  54         window.set_title("Railway Designer");
  55         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  56
  57         selection.signal_changed.connect(sigc::mem_fun(this, &Designer::selection_changed));
  58         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  59         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  60         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  61         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  62
  63         // Setup catalogue and layout
  64         DataFile::load(catalogue, "tracks.dat");
  65
  66         cat_layout_3d = new Layout3D(catalogue.get_layout());
  67
  68         layout = new Layout(catalogue);
  69         layout_3d = new Layout3D(*layout);
  70
  71         if(argc>1)
  72         {
  73                 filename = argv[1];
  74                 DataFile::load(*layout, argv[1]);
  75
  76                 if(!layout->get_base().empty())
  77                 {
  78                         base_object = new GL::Object;
  79                         DataFile::load(*base_object, layout->get_base());
  80                 }
  81         }
  82
  83         // Setup OpenGL
  84         cat_view = new View3D(*cat_layout_3d, window.get_width(), window.get_height());
  85
  86         main_view = new View3D(*layout_3d, window.get_width(), window.get_height());
  87         GL::Pipeline *pipeline = &main_view->get_pipeline();
  88
  89         GL::Pipeline::Pass *pass = &pipeline->add_pass("unlit");
  90         pass->set_depth_test(&GL::DepthTest::lequal());
  91         pass->set_blend(&GL::Blend::alpha());
  92
  93         pass = &pipeline->add_pass("blended");
  94         pass->set_lighting(&layout_3d->get_lighting());
  95         pass->set_depth_test(&GL::DepthTest::lequal());
  96         pass->set_blend(&GL::Blend::alpha());
  97
  98         pass = &pipeline->add_pass("overlay");
  99         pass->set_blend(&GL::Blend::alpha());
 100
 101         if(base_object)
 102                 pipeline->add_renderable(*base_object);
 103         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
 104         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
 105
 106         // Setup UI
 107         keyboard.signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Designer::key_press), false));
 108         mouse.signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Designer::button_press), false));
 109         mouse.signal_axis_motion.connect(sigc::bind_return(sigc::mem_fun(this, &Designer::axis_motion), false));
 110         root.signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 111         root_layout = new GLtk::Layout;
 112         root_layout->set_margin(0);
 113         root.set_layout(root_layout);
 114
 115         toolbars.push_back(new Layoutbar(*this));
 116         toolbars.push_back(new Trackbar(*this));
 117         toolbars.push_back(new Routebar(*this));
 118         toolbars.push_back(new Zonebar(*this));
 119         Toolbar *prev = 0;
 120         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 121         {
 122                 root.add(**i);
 123                 if(i!=toolbars.begin())
 124                         (*i)->expand(false);
 125                 (*i)->signal_expanded.connect(sigc::hide(sigc::mem_fun(root_layout, &GLtk::Layout::update)));
 126                 if(prev)
 127                 {
 128                         root_layout->add_constraint(**i, GLtk::Layout::RIGHT_OF, *prev, 0);
 129                         root_layout->add_constraint(**i, GLtk::Layout::COPY_HEIGHT, *prev);
 130                 }
 131                 prev = *i;
 132         }
 133
 134         GLtk::Panel *statusbar = new GLtk::Panel;
 135         root.add(*statusbar);
 136         statusbar->set_focusable(false);
 137         root_layout->set_gravity(*statusbar, -1, -1);
 138         root_layout->set_expand(*statusbar, true, false);
 139
 140         lbl_status = new GLtk::Label;
 141         statusbar->add(*lbl_status);
 142         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 143
 144         pipeline->add_renderable_for_pass(sel_wrap, "unlit");
 145         overlay = new Overlay3D(ui_res.get_default_font());
 146         pipeline->add_renderable_for_pass(*overlay, "overlay");
 147         pipeline->add_renderable_for_pass(measure, "unlit");
 148
 149         camera_ctl = new CameraController(*main_view, keyboard, mouse);
 150         cat_view->get_camera().set_look_direction(GL::Vector3(0, 0.13053, -0.99144));
 151         cat_view->view_all(true);
 152         main_view->view_all();
 153
 154         const set<Track *> &tracks = layout->get_all<Track>();
 155         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 156                 update_track_icon(layout_3d->get<Track3D>(**i));
 157 }
 158
 159 Designer::~Designer()
 160 {
 161         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 162                 delete *i;
 163         delete camera_ctl;
 164         delete overlay;
 165         delete main_view;
 166         delete base_object;
 167         delete layout_3d;
 168         delete layout;
 169         delete cat_view;
 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         root.add(*input);
 187         root_layout->set_gravity(*input, 0, 0);
 188 }
 189
 190 void Designer::quit()
 191 {
 192         exit(0);
 193 }
 194
 195 void Designer::new_track()
 196 {
 197         if(mode!=SELECT)
 198                 return;
 199
 200         mode = CATALOGUE;
 201         lbl_status->set_text("Select new track or press Esc to cancel");
 202 }
 203
 204 void Designer::erase_tracks()
 205 {
 206         if(mode!=SELECT)
 207                 return;
 208
 209         set<Track *> tracks = selection.get_objects<Track>();
 210         selection.clear();
 211         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 212         {
 213                 overlay->clear(layout_3d->get<Track3D>(**i));
 214                 delete *i;
 215         }
 216 }
 217
 218 void Designer::track_properties()
 219 {
 220         if(mode!=SELECT || selection.empty())
 221                 return;
 222
 223         TrackProperties *track_prop = new TrackProperties(selection);
 224         root.add(*track_prop);
 225         root_layout->set_gravity(*track_prop, 0, 0);
 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         root.add(*input);
 260         root_layout->set_gravity(*input, 0, 0);
 261 }
 262
 263 void Designer::edit_route(Route *r)
 264 {
 265         cur_route = r;
 266         cur_zone = 0;
 267         if(cur_route)
 268                 show_route(*cur_route);
 269         else
 270                 clear_paths();
 271 }
 272
 273 void Designer::rename_route()
 274 {
 275         if(mode!=SELECT || !cur_route)
 276                 return;
 277
 278         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 279         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 280         root.add(*input);
 281         root_layout->set_gravity(*input, 0, 0);
 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_objects<Track>());
 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_objects<Track>());
 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(const Vector &p)
 341 {
 342         GL::Vector4 vec = main_view->get_camera().unproject(GL::Vector4(p.x, p.y, 0, 0));
 343         const GL::Vector3 &pos = main_view->get_camera().get_position();
 344
 345         return pos-GL::Vector3(vec.x, vec.y, vec.z)*(pos.z/vec.z);
 346 }
 347
 348 void Designer::tick()
 349 {
 350         const Msp::Time::TimeStamp t = Msp::Time::now();
 351         float dt = (t-last_tick)/Msp::Time::sec;
 352         last_tick = t;
 353
 354         if(mode==MANIPULATE_DONE)
 355                 mode = SELECT;
 356
 357         window.tick();
 358         root.tick();
 359         camera_ctl->tick(dt);
 360
 361         render();
 362
 363         window.swap_buffers();
 364 }
 365
 366 void Designer::key_press(unsigned key)
 367 {
 368         bool shift = keyboard.get_button_state(Input::KEY_SHIFT_L) || keyboard.get_button_state(Input::KEY_SHIFT_R);
 369
 370         if(key==Msp::Input::KEY_N && shift)
 371                 extend_track();
 372         else if(key==Msp::Input::KEY_N)
 373                 new_track();
 374         else if(key==Msp::Input::KEY_G)
 375         {
 376                 manipulator.start_move();
 377                 mode = MANIPULATE;
 378         }
 379         else if(key==Msp::Input::KEY_R)
 380         {
 381                 manipulator.start_rotate();
 382                 mode = MANIPULATE;
 383         }
 384         else if(key==Msp::Input::KEY_D)
 385         {
 386                 manipulator.duplicate();
 387                 manipulator.start_move();
 388                 mode = MANIPULATE;
 389         }
 390         else if(key==Msp::Input::KEY_W)
 391                 save();
 392         else if(key==Msp::Input::KEY_PLUS)
 393                 selection.select_more();
 394         else if(key==Msp::Input::KEY_L && shift)
 395                 selection.select_blocks();
 396         else if(key==Msp::Input::KEY_L)
 397                 selection.select_linked();
 398         else if(key==Msp::Input::KEY_M)
 399         {
 400                 measure.start();
 401                 mode = MEASURE;
 402         }
 403         else if(key==Msp::Input::KEY_Z)
 404         {
 405                 manipulator.start_elevate();
 406                 mode = MANIPULATE;
 407         }
 408         else if(key==Msp::Input::KEY_ESC)
 409         {
 410                 if(mode==MANIPULATE)
 411                         manipulator.cancel();
 412                 else if(mode==CATALOGUE)
 413                         mode = SELECT;
 414                 else
 415                         selection.clear();
 416         }
 417         else if(key==Msp::Input::KEY_X)
 418                 erase_tracks();
 419         else if(key==Msp::Input::KEY_F && shift)
 420         {
 421                 const set<Track *> &tracks = selection.get_objects<Track>();
 422                 const set<Track *> &ltracks = layout->get_all<Track>();
 423                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 424                 {
 425                         (*i)->set_flex(!(*i)->get_flex());
 426                         (*i)->break_links();
 427                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 428                                 if(*j!=*i)
 429                                         (*i)->snap_to(**j, true);
 430
 431                         update_track_icon(layout_3d->get<Track3D>(**i));
 432                 }
 433         }
 434         else if(key==Msp::Input::KEY_F)
 435                 flatten_tracks();
 436         else if(key==Msp::Input::KEY_E && shift)
 437                 manipulator.even_slope(true);
 438         else if(key==Msp::Input::KEY_E)
 439                 manipulator.even_slope();
 440         else if(key==Msp::Input::KEY_A)
 441         {
 442                 if(cur_route)
 443                         add_selection_to_route();
 444                 else if(cur_zone)
 445                         add_selection_to_zone();
 446         }
 447         else if(key==Msp::Input::KEY_C)
 448                 connect_tracks();
 449         else if(key==Msp::Input::KEY_V)
 450                 svg_export();
 451         else if(key==Msp::Input::KEY_P)
 452                 track_properties();
 453 }
 454
 455 void Designer::button_press(unsigned btn)
 456 {
 457         bool shift = keyboard.get_button_state(Input::KEY_SHIFT_L) || keyboard.get_button_state(Input::KEY_SHIFT_R);
 458
 459         Vector pointer(mouse.get_axis_value(0), mouse.get_axis_value(1), 0);
 460         Vector ground = map_pointer_to_ground(pointer);
 461
 462         if(mode==CATALOGUE)
 463         {
 464                 if(btn==1)
 465                 {
 466                         Object *cobj = pick_object(pointer);
 467                         if(cobj)
 468                         {
 469                                 Object *obj = cobj->clone(layout);
 470                                 obj->set_position(ground);
 471
 472                                 selection.clear();
 473                                 selection.add_object(obj);
 474
 475                                 mode = SELECT;
 476                         }
 477                 }
 478                 else
 479                         mode = SELECT;
 480         }
 481         else if(mode==SELECT)
 482         {
 483                 if(btn==1)
 484                 {
 485                         Object *obj = pick_object(pointer);
 486                         if(obj)
 487                         {
 488                                 if(!shift)
 489                                         selection.clear();
 490                                 selection.toggle_object(obj);
 491                         }
 492                 }
 493         }
 494         else if(mode==MEASURE)
 495                 measure.button_press(ground.x, ground.y, btn);
 496 }
 497
 498 void Designer::axis_motion(unsigned, float, float)
 499 {
 500         Vector pointer(mouse.get_axis_value(0), mouse.get_axis_value(1), 0);
 501         float wx = pointer.x*window.get_width();
 502         float wy = pointer.y*window.get_height();
 503
 504         if(!root.get_child_at(wx, wy))
 505         {
 506                 Vector ground = map_pointer_to_ground(pointer);
 507                 measure.pointer_motion(ground.x, ground.y);
 508         }
 509 }
 510
 511 void Designer::render()
 512 {
 513         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 514
 515         View3D *view = (mode==CATALOGUE ? cat_view : main_view);
 516         view->render();
 517
 518         root.render();
 519 }
 520
 521 Object *Designer::pick_object(const Vector &pointer)
 522 {
 523         View3D &view = *(mode==CATALOGUE ? cat_view : main_view);
 524         const GL::Vector3 &cpos = view.get_camera().get_position();
 525         GL::Vector4 cray = view.get_camera().unproject(GL::Vector4(pointer.x, pointer.y, 0, 0));
 526
 527         return view.get_layout().get_layout().pick<Object>(Ray(cpos, Vector(cray)));
 528 }
 529
 530 void Designer::update_track_icon(Track3D &track)
 531 {
 532         overlay->clear(track);
 533
 534         if(track.get_track().get_flex())
 535                 overlay->add_graphic(track, "flex");
 536
 537         if(unsigned sid = track.get_track().get_sensor_id())
 538         {
 539                 overlay->add_graphic(track, "sensor");
 540                 overlay->set_label(track, lexical_cast<string>(sid));
 541         }
 542         else if(unsigned tid = track.get_track().get_turnout_id())
 543         {
 544                 if(tid<0x800)
 545                 {
 546                         overlay->add_graphic(track, "turnout");
 547                         overlay->set_label(track, lexical_cast<string>(tid));
 548                 }
 549         }
 550 }
 551
 552 void Designer::selection_changed()
 553 {
 554         const set<Track *> &tracks = selection.get_objects<Track>();
 555         if(tracks.empty())
 556                 lbl_status->set_text(string());
 557         else
 558         {
 559                 float len = 0;
 560                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 561                         len += (*i)->get_type().get_total_length();
 562                 lbl_status->set_text(format("%.2fm of track selected\n", len));
 563         }
 564 }
 565
 566 void Designer::manipulation_status(const string &status)
 567 {
 568         lbl_status->set_text(status);
 569 }
 570
 571 void Designer::manipulation_done(bool)
 572 {
 573         mode = MANIPULATE_DONE;
 574         selection_changed();
 575 }
 576
 577 void Designer::measure_changed()
 578 {
 579         float pard = measure.get_parallel_distance()*1000;
 580         float perpd = measure.get_perpendicular_distance()*1000;
 581         float d = sqrt(pard*pard+perpd*perpd);
 582         const Angle &adiff = measure.get_angle_difference();
 583         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff.degrees());
 584         lbl_status->set_text(info);
 585 }
 586
 587 void Designer::measure_done()
 588 {
 589         mode = SELECT;
 590         selection_changed();
 591 }
 592
 593 void Designer::track_properties_response(int)
 594 {
 595         const set<Track *> &tracks = selection.get_objects<Track>();
 596         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 597                 update_track_icon(layout_3d->get<Track3D>(**i));
 598 }
 599
 600 void Designer::route_name_accept(const string &text)
 601 {
 602         if(cur_route)
 603                 cur_route->set_name(text);
 604 }
 605
 606 void Designer::svg_export_accept(const string &text)
 607 {
 608         SvgExporter svg_exp(*layout);
 609         svg_exp.save(text);
 610 }
 611
 612 string Designer::tooltip(int x, int y)
 613 {
 614         const GLtk::Geometry &rgeom = root.get_geometry();
 615         if(Object *obj = pick_object(Vector(x*2.0f/rgeom.w-1.0f, y*2.0f/rgeom.h-1.0f, 0)))
 616         {
 617                 const ObjectType &otype = obj->get_type();
 618                 string info = format("%d %s", otype.get_article_number(), otype.get_description());
 619                 if(Track *track = dynamic_cast<Track *>(obj))
 620                 {
 621                         if(mode!=CATALOGUE && abs(track->get_tilt()).radians()>1e-4)
 622                                 info += format(" (slope %.1f%%)", abs(tan(track->get_tilt())*100));
 623                         if(track->get_turnout_id())
 624                                 info += format(" (turnout %d)", track->get_turnout_id());
 625                         else if(track->get_sensor_id())
 626                                 info += format(" (sensor %d)", track->get_sensor_id());
 627                 }
 628                 return info;
 629         }
 630
 631         return string();
 632 }
 633
 634 void Designer::clear_paths()
 635 {
 636         for(list<Path3D *>::iterator i=highlight_paths.begin(); i!=highlight_paths.end(); ++i)
 637                 delete *i;
 638         highlight_paths.clear();
 639 }
 640
 641 void Designer::show_route(const Route &route)
 642 {
 643         clear_paths();
 644
 645         const set<Track *> &rtracks = route.get_tracks();
 646         for(set<Track *>::iterator i=rtracks.begin(); i!=rtracks.end(); ++i)
 647         {
 648                 Track3D &t3d = layout_3d->get<Track3D>(**i);
 649                 Path3D *path = new Path3D(t3d);
 650                 path->set_color(GL::Color(0.5, 0.8, 1.0));
 651                 if(unsigned tid = (*i)->get_turnout_id())
 652                         path->set_path(route.get_turnout(tid));
 653         }
 654 }
 655
 656 void Designer::show_zone(const Zone &zone)
 657 {
 658         clear_paths();
 659
 660         const Zone::TrackSet &ztracks = zone.get_tracks();
 661         for(Zone::TrackSet::const_iterator i=ztracks.begin(); i!=ztracks.end(); ++i)
 662         {
 663                 Track3D &t3d = layout_3d->get<Track3D>(**i);
 664                 Path3D *path = new Path3D(t3d);
 665                 path->set_color(GL::Color(0.8, 1.0, 0.5));
 666         }
 667 }