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/route.h"
  29 #include "libmarklin/tracktype.h"
  30 #include "designer.h"
  31 #include "input.h"
  32 #include "manipulator.h"
  33 #include "measure.h"
  34 #include "selection.h"
  35 #include "toolbar.h"
  36
  37 using namespace std;
  38 using namespace Marklin;
  39 using namespace Msp;
  40
  41 Application::RegApp<Designer> Designer::reg;
  42
  43 Designer::Designer(int argc, char **argv):
  44         window(1280, 960),
  45         base_object(0),
  46         cur_route(0),
  47         mode(SELECT),
  48         manipulator(*this, selection),
  49         measure(*this),
  50         camera_ctl(window, camera)
  51 {
  52         window.set_title("Railway Designer");
  53         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  54
  55         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  56         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  57         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  58         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  59
  60         // Setup catalogue and layout
  61         DataFile::load(catalogue, "tracks.dat");
  62
  63         cat_layout_3d = new Layout3D(catalogue.get_layout());
  64
  65         layout = new Layout(catalogue);
  66         layout_3d = new Layout3D(*layout);
  67
  68         if(argc>1)
  69         {
  70                 filename = argv[1];
  71                 DataFile::load(*layout, argv[1]);
  72
  73                 if(!layout->get_base().empty())
  74                 {
  75                         base_object = new GL::Object;
  76                         DataFile::load(*base_object, layout->get_base());
  77                 }
  78         }
  79
  80         // Setup OpenGL
  81         GL::enable(GL::DEPTH_TEST);
  82         GL::enable(GL::BLEND);
  83         GL::blend_func(GL::SRC_ALPHA, GL::ONE_MINUS_SRC_ALPHA);
  84         GL::enable(GL_CULL_FACE);
  85
  86         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  87         pipeline->set_camera(&camera);
  88         pipeline->add_renderable(layout_3d->get_scene());
  89         if(base_object)
  90                 pipeline->add_renderable(*base_object);
  91
  92         light.set_position(0, -0.259, 0.966, 0);
  93         lighting.attach(0, light);
  94
  95         GL::PipelinePass *pass = &pipeline->add_pass(GL::Tag());
  96         pass->lighting = &lighting;
  97
  98         camera.set_up_direction(GL::Vector3(0, 0, 1));
  99         view_all();
 100
 101         // Setup UI
 102         DataFile::load(ui_res, "marklin.res");
 103         root = new GLtk::Root(ui_res, window);
 104         root->signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 105         root->signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 106         root->signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 107         root->signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 108
 109         toolbar = new Toolbar(*this);
 110         root->add(*toolbar);
 111         toolbar->set_position(0, window.get_height()-toolbar->get_geometry().h);
 112         toolbar->set_focusable(false);
 113
 114         GLtk::Panel *statusbar = new GLtk::Panel(ui_res);
 115         root->add(*statusbar);
 116         statusbar->set_size(window.get_width(), 20);
 117         statusbar->set_focusable(false);
 118
 119         lbl_status = new GLtk::Label(ui_res);
 120         statusbar->add(*lbl_status);
 121         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 122
 123         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 124
 125         const list<Track3D *> &tracks = layout_3d->get_tracks();
 126         for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 127                 update_track_icon(**i);
 128 }
 129
 130 Designer::~Designer()
 131 {
 132         delete overlay;
 133         delete root;
 134         delete pipeline;
 135         delete base_object;
 136         delete layout_3d;
 137         delete layout;
 138         delete cat_layout_3d;
 139 }
 140
 141 int Designer::main()
 142 {
 143         window.show();
 144
 145         mode = SELECT;
 146
 147         return Application::main();
 148 }
 149
 150 void Designer::save()
 151 {
 152         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 153         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 154 }
 155
 156 void Designer::quit()
 157 {
 158         exit(0);
 159 }
 160
 161 void Designer::new_track()
 162 {
 163         mode = CATALOGUE;
 164 }
 165
 166 void Designer::set_turnout_id()
 167 {
 168         Track *track = selection.get_track();
 169         if(selection.size()==1 && track->get_type().is_turnout())
 170         {
 171                 InputDialog *input = new InputDialog(*this, "Turnout ID", lexical_cast(track->get_turnout_id()));
 172                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::turnout_id_accept));
 173         }
 174 }
 175
 176 void Designer::set_sensor_id()
 177 {
 178         const set<Track *> &tracks = selection.get_tracks();
 179         bool ok = false;
 180         int id = -1;
 181         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 182         {
 183                 if(!(*i)->get_type().is_turnout())
 184                         ok = true;
 185                 if(static_cast<int>((*i)->get_sensor_id())!=id)
 186                 {
 187                         if(id==-1)
 188                                 id = (*i)->get_sensor_id();
 189                         else
 190                                 id = -2;
 191                 }
 192         }
 193
 194         if(ok)
 195         {
 196                 InputDialog *input = new InputDialog(*this, "Sensor ID", (id>=0 ? lexical_cast(id) : string()));
 197                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::sensor_id_accept));
 198         }
 199 }
 200
 201 void Designer::edit_route(Route &r)
 202 {
 203         cur_route = &r;
 204 }
 205
 206 void Designer::add_selection_to_route()
 207 {
 208         if(!cur_route)
 209                 return;
 210
 211         try
 212         {
 213                 const set<Track *> &stracks = selection.get_tracks();
 214                 set<const Track *> tracks(stracks.begin(), stracks.end());
 215                 cur_route->add_tracks(tracks);
 216         }
 217         catch(const Exception &e)
 218         {
 219                 IO::print("%s\n", e.what());
 220         }
 221 }
 222
 223 Point Designer::map_pointer_coords(int x, int y)
 224 {
 225         float xf = x*2.0/window.get_width()-1.0;
 226         float yf = y*2.0/window.get_height()-1.0;
 227         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 228         const GL::Vector3 &pos = camera.get_position();
 229
 230         return Point(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 231 }
 232
 233 void Designer::tick()
 234 {
 235         const Msp::Time::TimeStamp t = Msp::Time::now();
 236         float dt = (t-last_tick)/Msp::Time::sec;
 237         last_tick = t;
 238
 239         window.get_display().tick();
 240         root->tick();
 241         camera_ctl.tick(dt);
 242
 243         render();
 244
 245         window.swap_buffers();
 246 }
 247
 248 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 249 {
 250         key = Input::key_from_sys(key);
 251         mod = Input::mod_from_sys(mod);
 252
 253         if(key==Msp::Input::KEY_N)
 254                 new_track();
 255         else if(key==Msp::Input::KEY_G)
 256         {
 257                 manipulator.start_move();
 258                 mode = MANIPULATE;
 259         }
 260         else if(key==Msp::Input::KEY_R)
 261         {
 262                 manipulator.start_rotate();
 263                 mode = MANIPULATE;
 264         }
 265         else if(key==Msp::Input::KEY_D)
 266         {
 267                 manipulator.duplicate();
 268                 manipulator.start_move();
 269                 mode = MANIPULATE;
 270         }
 271         else if(key==Msp::Input::KEY_W)
 272                 save();
 273         else if(key==Msp::Input::KEY_PLUS)
 274                 selection.select_more();
 275         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 276         {
 277                 const set<Track *> &tracks = layout->get_tracks();
 278                 float len = 0;
 279                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 280                         len += (*i)->get_type().get_total_length();
 281                 IO::print("Total length: %.1fm\n", len);
 282         }
 283         else if(key==Msp::Input::KEY_L)
 284                 selection.select_linked();
 285         else if(key==Msp::Input::KEY_M)
 286         {
 287                 measure.start();
 288                 mode = MEASURE;
 289         }
 290         else if(key==Msp::Input::KEY_Z)
 291         {
 292                 manipulator.start_elevate();
 293                 mode = MANIPULATE;
 294         }
 295         else if(key==Msp::Input::KEY_ESC)
 296         {
 297                 if(mode==MANIPULATE)
 298                         manipulator.cancel();
 299                 else if(mode==CATALOGUE)
 300                         mode = SELECT;
 301                 else
 302                         selection.clear();
 303         }
 304         else if(key==Msp::Input::KEY_X)
 305         {
 306                 set<Track *> tracks = selection.get_tracks();
 307                 selection.clear();
 308                 for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 309                 {
 310                         overlay->clear(layout_3d->get_track(**i));
 311                         layout->remove_track(**i);
 312                         delete *i;
 313                 }
 314         }
 315         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 316         {
 317                 const set<Track *> &tracks = selection.get_tracks();
 318                 const set<Track *> &ltracks = layout->get_tracks();
 319                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 320                 {
 321                         (*i)->set_flex(!(*i)->get_flex());
 322                         (*i)->break_links();
 323                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 324                                 if(*j!=*i)
 325                                         (*i)->snap_to(**j, true);
 326
 327                         update_track_icon(layout_3d->get_track(**i));
 328                 }
 329         }
 330         else if(key==Msp::Input::KEY_F)
 331                 manipulator.flatten();
 332         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 333                 manipulator.even_slope(true);
 334         else if(key==Msp::Input::KEY_E)
 335                 manipulator.even_slope();
 336         else if(key==Msp::Input::KEY_T)
 337                 set_turnout_id();
 338         else if(key==Msp::Input::KEY_S)
 339                 set_sensor_id();
 340         else if(key==Msp::Input::KEY_A)
 341                 add_selection_to_route();
 342 }
 343
 344 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 345 {
 346         y = window.get_height()-y-1;
 347         mod = Input::mod_from_sys(mod);
 348
 349         Point ground = map_pointer_coords(x, y);
 350
 351         if(mode==CATALOGUE)
 352         {
 353                 if(btn==1)
 354                 {
 355                         Track3D *ctrack = pick_track(x, y);
 356                         if(ctrack)
 357                         {
 358                                 Track *track = new Track(*layout, ctrack->get_track().get_type());
 359                                 track->set_position(ground);
 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 }