source/designer/designer.cpp

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2006-2010 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <signal.h>
   9 #include <cmath>
  10 #include <GL/gl.h>
  11 #include <msp/gl/blend.h>
  12 #include <msp/gl/framebuffer.h>
  13 #include <msp/gl/matrix.h>
  14 #include <msp/gl/misc.h>
  15 #include <msp/gl/projection.h>
  16 #include <msp/gl/rendermode.h>
  17 #include <msp/gl/select.h>
  18 #include <msp/gl/tests.h>
  19 #include <msp/gl/texture2d.h>
  20 #include <msp/input/keys.h>
  21 #include <msp/io/print.h>
  22 #include <msp/strings/codec.h>
  23 #include <msp/strings/lexicalcast.h>
  24 #include <msp/strings/utf8.h>
  25 #include <msp/strings/utils.h>
  26 #include <msp/time/units.h>
  27 #include <msp/time/utils.h>
  28 #include "libmarklin/tracktype.h"
  29 #include "designer.h"
  30 #include "input.h"
  31 #include "manipulator.h"
  32 #include "measure.h"
  33 #include "selection.h"
  34 #include "toolbar.h"
  35
  36 using namespace std;
  37 using namespace Marklin;
  38 using namespace Msp;
  39
  40 Application::RegApp<Designer> Designer::reg;
  41
  42 Designer::Designer(int argc, char **argv):
  43         window(1280, 960),
  44         base_object(0),
  45         cur_route(0),
  46         mode(SELECT),
  47         manipulator(*this, selection),
  48         measure(*this),
  49         camera_ctl(window, camera)
  50 {
  51         window.set_title("Railway Designer");
  52         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  53
  54         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  55         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  56         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  57         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  58
  59         // Setup catalogue and layout
  60         DataFile::load(catalogue, "tracks.dat");
  61
  62         cat_layout_3d = new Layout3D(catalogue.get_layout());
  63
  64         layout = new Layout(catalogue);
  65         layout_3d = new Layout3D(*layout);
  66
  67         if(argc>1)
  68         {
  69                 filename = argv[1];
  70                 DataFile::load(*layout, argv[1]);
  71
  72                 if(!layout->get_base().empty())
  73                 {
  74                         base_object = new GL::Object;
  75                         DataFile::load(*base_object, layout->get_base());
  76                 }
  77         }
  78
  79         // Setup OpenGL
  80         GL::enable(GL::DEPTH_TEST);
  81         GL::enable(GL::BLEND);
  82         GL::blend_func(GL::SRC_ALPHA, GL::ONE_MINUS_SRC_ALPHA);
  83         GL::enable(GL_CULL_FACE);
  84
  85         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  86         pipeline->set_camera(&camera);
  87         pipeline->add_renderable(layout_3d->get_scene());
  88         if(base_object)
  89                 pipeline->add_renderable(*base_object);
  90
  91         light.set_position(0, -0.259, 0.966, 0);
  92         lighting.attach(0, light);
  93
  94         GL::PipelinePass *pass = &pipeline->add_pass(GL::Tag());
  95         pass->lighting = &lighting;
  96
  97         camera.set_up_direction(GL::Vector3(0, 0, 1));
  98         view_all();
  99
 100         // Setup UI
 101         DataFile::load(ui_res, "marklin.res");
 102         root = new GLtk::Root(ui_res, window);
 103         root->signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 104         root->signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 105         root->signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 106         root->signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 107
 108         toolbar = new Toolbar(*this);
 109         root->add(*toolbar);
 110         toolbar->set_position(0, window.get_height()-toolbar->get_geometry().h);
 111         toolbar->set_focusable(false);
 112
 113         GLtk::Panel *statusbar = new GLtk::Panel(ui_res);
 114         root->add(*statusbar);
 115         statusbar->set_size(window.get_width(), 20);
 116         statusbar->set_focusable(false);
 117
 118         lbl_status = new GLtk::Label(ui_res);
 119         statusbar->add(*lbl_status);
 120         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 121
 122         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 123
 124         const list<Track3D *> &tracks = layout_3d->get_tracks();
 125         for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 126                 update_track_icon(**i);
 127 }
 128
 129 Designer::~Designer()
 130 {
 131         delete overlay;
 132         delete root;
 133         delete pipeline;
 134         delete base_object;
 135         delete layout_3d;
 136         delete layout;
 137         delete cat_layout_3d;
 138 }
 139
 140 int Designer::main()
 141 {
 142         window.show();
 143
 144         mode = SELECT;
 145
 146         return Application::main();
 147 }
 148
 149 void Designer::save()
 150 {
 151         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 152         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 153 }
 154
 155 void Designer::quit()
 156 {
 157         exit(0);
 158 }
 159
 160 void Designer::new_track()
 161 {
 162         mode = CATALOGUE;
 163 }
 164
 165 void Designer::set_turnout_id()
 166 {
 167         Track *track = selection.get_track();
 168         if(selection.size()==1 && track->get_type().get_n_paths()>1)
 169         {
 170                 InputDialog *input = new InputDialog(*this, "Turnout ID", lexical_cast(track->get_turnout_id()));
 171                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::turnout_id_accept));
 172         }
 173 }
 174
 175 void Designer::set_sensor_id()
 176 {
 177         const set<Track *> &tracks = selection.get_tracks();
 178         bool ok = false;
 179         int id = -1;
 180         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 181         {
 182                 if((*i)->get_type().get_n_paths()==1)
 183                         ok = true;
 184                 if(static_cast<int>((*i)->get_sensor_id())!=id)
 185                 {
 186                         if(id==-1)
 187                                 id = (*i)->get_sensor_id();
 188                         else
 189                                 id = -2;
 190                 }
 191         }
 192
 193         if(ok)
 194         {
 195                 InputDialog *input = new InputDialog(*this, "Sensor ID", (id>=0 ? lexical_cast(id) : string()));
 196                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::sensor_id_accept));
 197         }
 198 }
 199
 200 void Designer::edit_route(Route &r)
 201 {
 202         cur_route = &r;
 203 }
 204
 205 void Designer::add_selection_to_route()
 206 {
 207         if(!cur_route)
 208                 return;
 209
 210         try
 211         {
 212                 const set<Track *> &stracks = selection.get_tracks();
 213                 set<const Track *> tracks(stracks.begin(), stracks.end());
 214                 cur_route->add_tracks(tracks);
 215         }
 216         catch(const Exception &e)
 217         {
 218                 IO::print("%s\n", e.what());
 219         }
 220 }
 221
 222 Point Designer::map_pointer_coords(int x, int y)
 223 {
 224         float xf = x*2.0/window.get_width()-1.0;
 225         float yf = y*2.0/window.get_height()-1.0;
 226         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 227         const GL::Vector3 &pos = camera.get_position();
 228
 229         return Point(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 230 }
 231
 232 void Designer::tick()
 233 {
 234         const Msp::Time::TimeStamp t = Msp::Time::now();
 235         float dt = (t-last_tick)/Msp::Time::sec;
 236         last_tick = t;
 237
 238         window.get_display().tick();
 239         root->tick();
 240         camera_ctl.tick(dt);
 241
 242         render();
 243
 244         window.swap_buffers();
 245 }
 246
 247 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 248 {
 249         key = Input::key_from_sys(key);
 250         mod = Input::mod_from_sys(mod);
 251
 252         if(key==Msp::Input::KEY_N)
 253                 new_track();
 254         else if(key==Msp::Input::KEY_G)
 255         {
 256                 manipulator.start_move();
 257                 mode = MANIPULATE;
 258         }
 259         else if(key==Msp::Input::KEY_R)
 260         {
 261                 manipulator.start_rotate();
 262                 mode = MANIPULATE;
 263         }
 264         else if(key==Msp::Input::KEY_D)
 265         {
 266                 manipulator.duplicate();
 267                 manipulator.start_move();
 268                 mode = MANIPULATE;
 269         }
 270         else if(key==Msp::Input::KEY_W)
 271                 save();
 272         else if(key==Msp::Input::KEY_PLUS)
 273                 selection.select_more();
 274         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 275         {
 276                 const set<Track *> &tracks = layout->get_tracks();
 277                 float len = 0;
 278                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 279                         len += (*i)->get_type().get_total_length();
 280                 IO::print("Total length: %.1fm\n", len);
 281         }
 282         else if(key==Msp::Input::KEY_L)
 283                 selection.select_linked();
 284         else if(key==Msp::Input::KEY_M)
 285         {
 286                 measure.start();
 287                 mode = MEASURE;
 288         }
 289         else if(key==Msp::Input::KEY_Z)
 290         {
 291                 manipulator.start_elevate();
 292                 mode = MANIPULATE;
 293         }
 294         else if(key==Msp::Input::KEY_ESC)
 295         {
 296                 if(mode==MANIPULATE)
 297                         manipulator.cancel();
 298                 else if(mode==CATALOGUE)
 299                         mode = SELECT;
 300                 else
 301                         selection.clear();
 302         }
 303         else if(key==Msp::Input::KEY_X)
 304         {
 305                 set<Track *> tracks = selection.get_tracks();
 306                 selection.clear();
 307                 for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 308                 {
 309                         overlay->clear(layout_3d->get_track(**i));
 310                         layout->remove_track(**i);
 311                         delete *i;
 312                 }
 313         }
 314         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 315         {
 316                 const set<Track *> &tracks = selection.get_tracks();
 317                 const set<Track *> &ltracks = layout->get_tracks();
 318                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 319                 {
 320                         (*i)->set_flex(!(*i)->get_flex());
 321                         (*i)->break_links();
 322                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 323                                 if(*j!=*i)
 324                                         (*i)->snap_to(**j, true);
 325
 326                         update_track_icon(layout_3d->get_track(**i));
 327                 }
 328         }
 329         else if(key==Msp::Input::KEY_F)
 330                 manipulator.flatten();
 331         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 332                 manipulator.even_slope(true);
 333         else if(key==Msp::Input::KEY_E)
 334                 manipulator.even_slope();
 335         else if(key==Msp::Input::KEY_T)
 336                 set_turnout_id();
 337         else if(key==Msp::Input::KEY_S)
 338                 set_sensor_id();
 339         else if(key==Msp::Input::KEY_A)
 340                 add_selection_to_route();
 341 }
 342
 343 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 344 {
 345         y = window.get_height()-y-1;
 346         mod = Input::mod_from_sys(mod);
 347
 348         Point ground = map_pointer_coords(x, y);
 349
 350         if(mode==CATALOGUE)
 351         {
 352                 if(btn==1)
 353                 {
 354                         Track3D *ctrack = pick_track(x, y);
 355                         if(ctrack)
 356                         {
 357                                 Track *track = ctrack->get_track().copy();
 358                                 track->set_position(ground);
 359                                 layout->add_track(*track);
 360
 361                                 selection.clear();
 362                                 selection.add_track(track);
 363
 364                                 mode = SELECT;
 365                         }
 366                 }
 367                 else
 368                         mode = SELECT;
 369         }
 370         else if(mode==SELECT)
 371         {
 372                 if(btn==1)
 373                 {
 374                         Track3D *track = pick_track(x, y);
 375                         if(track)
 376                         {
 377                                 if(!(mod&Input::MOD_SHIFT))
 378                                         selection.clear();
 379                                 selection.toggle_track(&track->get_track());
 380                         }
 381                 }
 382         }
 383         else if(mode==MANIPULATE)
 384                 manipulator.button_press(x, y, ground.x, ground.y, btn);
 385         else if(mode==MEASURE)
 386                 measure.button_press(x, y, ground.x, ground.y, btn);
 387 }
 388
 389 void Designer::pointer_motion(int x, int y)
 390 {
 391         y = window.get_height()-y-1;
 392
 393         if(!root->get_child_at(x, y))
 394         {
 395                 Point ground = map_pointer_coords(x, y);
 396                 manipulator.pointer_motion(x, y, ground.x, ground.y);
 397                 measure.pointer_motion(x, y, ground.x, ground.y);
 398         }
 399 }
 400
 401 void Designer::apply_camera()
 402 {
 403         if(mode==CATALOGUE)
 404         {
 405                 GL::matrix_mode(GL::PROJECTION);
 406                 GL::load_identity();
 407                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 408                 GL::matrix_mode(GL::MODELVIEW);
 409                 GL::load_identity();
 410                 GL::translate(0, 0, -1);
 411         }
 412         else
 413                 camera.apply();
 414 }
 415
 416 void Designer::render()
 417 {
 418         GL::clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 419         GL::enable(GL::DEPTH_TEST);
 420         GL::Texture::unbind();
 421
 422         if(mode==CATALOGUE)
 423         {
 424                 apply_camera();
 425                 cat_layout_3d->get_scene().render();
 426         }
 427         else
 428         {
 429                 pipeline->render_all();
 430                 layout_3d->get_endpoint_scene().render();
 431                 GL::enable(GL_CULL_FACE);
 432                 GL::disable(GL::DEPTH_TEST);
 433                 overlay->render(0);
 434                 GL::enable(GL::DEPTH_TEST);
 435                 /*if(cur_route)
 436                 {
 437                         glColor4f(0.5, 0.8, 1.0, 1.0);
 438                         const set<const Track *> &rtracks = cur_route->get_tracks();
 439                         const map<unsigned, int> &turnouts = cur_route->get_turnouts();
 440                         for(set<const Track *>::const_iterator i=rtracks.begin(); i!=rtracks.end(); ++i)
 441                         {
 442                                 unsigned path = 0;
 443                                 if(unsigned tid=(*i)->get_turnout_id())
 444                                 {
 445                                         map<unsigned, int>::const_iterator j = turnouts.find(tid);
 446                                         if(j!=turnouts.end())
 447                                                 path = j->second;
 448                                 }
 449                                 layout_3d->get_track(**i).render_path(path);
 450                         }
 451                 }*/
 452
 453                 manipulator.render();
 454                 if(mode==MEASURE)
 455                         measure.render();
 456         }
 457
 458         GL::matrix_mode(GL::PROJECTION);
 459         GL::load_identity();
 460         GL::ortho_bottomleft(window.get_width(), window.get_height());
 461         GL::matrix_mode(GL::MODELVIEW);
 462         GL::load_identity();
 463
 464         GL::disable(GL::DEPTH_TEST);
 465
 466         root->render();
 467 }
 468
 469 Track3D *Designer::pick_track(int x, int y)
 470 {
 471         Layout3D *l = layout_3d;
 472         if(mode==CATALOGUE)
 473                 l = cat_layout_3d;
 474
 475         float xx = ((float(x)-window.get_width()/2)/window.get_height())*0.82843;
 476         float yy = (float(y)/window.get_height()-0.5)*0.82843;
 477         float size = 4.0/window.get_height()*0.82843;
 478
 479         apply_camera();
 480
 481         return l->pick_track(xx, yy, size);
 482 }
 483
 484 void Designer::update_track_icon(Track3D &track)
 485 {
 486         overlay->clear(track);
 487
 488         if(track.get_track().get_flex())
 489                 overlay->add_graphic(track, "flex");
 490
 491         if(unsigned sid = track.get_track().get_sensor_id())
 492         {
 493                 overlay->add_graphic(track, "sensor");
 494                 overlay->set_label(track, lexical_cast(sid));
 495         }
 496         else if(unsigned tid = track.get_track().get_turnout_id())
 497         {
 498                 overlay->add_graphic(track, "turnout");
 499                 overlay->set_label(track, lexical_cast(tid));
 500         }
 501 }
 502
 503 void Designer::manipulation_status(const string &status)
 504 {
 505         lbl_status->set_text(status);
 506 }
 507
 508 void Designer::manipulation_done(bool)
 509 {
 510         lbl_status->set_text(string());
 511         mode = SELECT;
 512 }
 513
 514 void Designer::measure_changed()
 515 {
 516         float pard = measure.get_parallel_distance()*1000;
 517         float perpd = measure.get_perpendicular_distance()*1000;
 518         float d = sqrt(pard*pard+perpd*perpd);
 519         float adiff = measure.get_angle_difference()*180/M_PI;
 520         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff);
 521         lbl_status->set_text(info);
 522 }
 523
 524 void Designer::measure_done()
 525 {
 526         lbl_status->set_text(string());
 527         mode = SELECT;
 528 }
 529
 530 void Designer::turnout_id_accept(const string &text)
 531 {
 532         Track *track = selection.get_track();
 533         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 534         track->set_turnout_id(id);
 535
 536         update_track_icon(layout_3d->get_track(*track));
 537 }
 538
 539 void Designer::sensor_id_accept(const string &text)
 540 {
 541         const set<Track *> &tracks = selection.get_tracks();
 542         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 543         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 544         {
 545                 (*i)->set_sensor_id(id);
 546
 547                 update_track_icon(layout_3d->get_track(**i));
 548         }
 549 }
 550
 551 void Designer::view_all()
 552 {
 553         Point minp;
 554         Point maxp;
 555
 556         const list<Track3D *> &tracks = layout_3d->get_tracks();
 557         for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 558         {
 559                 Point tmin;
 560                 Point tmax;
 561                 (*i)->get_bounds(0, tmin, tmax);
 562                 minp.x = min(minp.x, tmin.x);
 563                 minp.y = min(minp.y, tmin.y);
 564                 maxp.x = max(maxp.x, tmax.x);
 565                 maxp.y = max(maxp.y, tmax.y);
 566         }
 567
 568         float t = tan(camera.get_field_of_view()/2)*2;
 569         float size = max((maxp.y-minp.y+0.1), (maxp.x-minp.x+0.1)/camera.get_aspect());
 570         float cam_dist = size/t+size*0.25;
 571         Point center((minp.x+maxp.x)/2, (minp.y+maxp.y)/2);
 572         camera.set_position(GL::Vector3(center.x, center.y-cam_dist*0.5, cam_dist*0.866));
 573         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 574 }
 575
 576 string Designer::tooltip(int x, int y)
 577 {
 578         if(Track3D *t3d = pick_track(x, y))
 579         {
 580                 const Track &track = t3d->get_track();
 581                 const TrackType &ttype = track.get_type();
 582                 string info = format("%d %s", ttype.get_article_number(), ttype.get_description());
 583                 if(mode!=CATALOGUE && abs(track.get_slope())>1e-4)
 584                         info += format(" (slope %.1f%%)", abs(track.get_slope()/ttype.get_total_length()*100));
 585                 if(track.get_turnout_id())
 586                         info += format(" (turnout %d)", track.get_turnout_id());
 587                 else if(track.get_sensor_id())
 588                         info += format(" (sensor %d)", track.get_sensor_id());
 589
 590                 return info;
 591         }
 592
 593         return string();
 594 }