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 <algorithm>
  10 #include <cmath>
  11 #include <GL/gl.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/rendermode.h>
  18 #include <msp/gl/select.h>
  19 #include <msp/gl/tests.h>
  20 #include <msp/gl/texture2d.h>
  21 #include <msp/input/keys.h>
  22 #include <msp/io/print.h>
  23 #include <msp/strings/codec.h>
  24 #include <msp/strings/lexicalcast.h>
  25 #include <msp/strings/utf8.h>
  26 #include <msp/strings/utils.h>
  27 #include <msp/time/units.h>
  28 #include <msp/time/utils.h>
  29 #include "libmarklin/route.h"
  30 #include "libmarklin/tracktype.h"
  31 #include "3d/path.h"
  32 #include "designer.h"
  33 #include "input.h"
  34 #include "manipulator.h"
  35 #include "measure.h"
  36 #include "selection.h"
  37 #include "toolbar.h"
  38
  39 using namespace std;
  40 using namespace Marklin;
  41 using namespace Msp;
  42
  43 Application::RegApp<Designer> Designer::reg;
  44
  45 Designer::Designer(int argc, char **argv):
  46         window(1280, 960),
  47         base_object(0),
  48         cur_route(0),
  49         mode(SELECT),
  50         manipulator(*this, selection),
  51         measure(*this),
  52         track_wrap(*this, selection)
  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         layout->signal_track_added.connect(sigc::mem_fun(this, &Designer::track_added));
  72         layout->signal_track_removed.connect(sigc::mem_fun(this, &Designer::track_removed));
  73
  74         if(argc>1)
  75         {
  76                 filename = argv[1];
  77                 DataFile::load(*layout, argv[1]);
  78
  79                 if(!layout->get_base().empty())
  80                 {
  81                         base_object = new GL::Object;
  82                         DataFile::load(*base_object, layout->get_base());
  83                 }
  84         }
  85
  86         // Setup OpenGL
  87         GL::enable(GL_CULL_FACE);
  88
  89         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  90         pipeline->set_camera(&camera);
  91         pipeline->add_renderable_for_pass(layout_3d->get_scene(), 0);
  92         if(base_object)
  93                 pipeline->add_renderable(*base_object);
  94         pipeline->add_renderable_for_pass(track_wrap, "unlit");
  95         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
  96         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
  97
  98         light.set_position(0, -0.259, 0.966, 0);
  99         lighting.attach(0, light);
 100
 101         GL::PipelinePass *pass = &pipeline->add_pass(0);
 102         pass->lighting = &lighting;
 103         pass->depth_test = &GL::DepthTest::lequal();
 104
 105         pass = &pipeline->add_pass("unlit");
 106         pass->depth_test = &GL::DepthTest::lequal();
 107         pass->blend = &GL::Blend::alpha();
 108
 109         pass = &pipeline->add_pass("blended");
 110         pass->lighting = &lighting;
 111         pass->depth_test = &GL::DepthTest::lequal();
 112         pass->blend = &GL::Blend::alpha();
 113
 114         camera.set_up_direction(GL::Vector3(0, 0, 1));
 115         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 116
 117         // Setup UI
 118         DataFile::load(ui_res, "marklin.res");
 119         root = new GLtk::Root(ui_res, window);
 120         root->signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 121         root->signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 122         root->signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 123         root->signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 124
 125         toolbar = new Toolbar(*this);
 126         root->add(*toolbar);
 127         toolbar->set_position(0, window.get_height()-toolbar->get_geometry().h);
 128         toolbar->set_focusable(false);
 129
 130         GLtk::Panel *statusbar = new GLtk::Panel(ui_res);
 131         root->add(*statusbar);
 132         statusbar->set_size(window.get_width(), 20);
 133         statusbar->set_focusable(false);
 134
 135         lbl_status = new GLtk::Label(ui_res);
 136         statusbar->add(*lbl_status);
 137         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 138
 139         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 140
 141         camera_ctl = new CameraController(*this, *root, camera);
 142         camera_ctl->view_all();
 143
 144         const Layout3D::TrackMap &tracks = layout_3d->get_tracks();
 145         for(Layout3D::TrackMap::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 146                 update_track_icon(*i->second);
 147 }
 148
 149 Designer::~Designer()
 150 {
 151         delete camera_ctl;
 152         delete overlay;
 153         delete root;
 154         delete pipeline;
 155         delete base_object;
 156         delete layout_3d;
 157         delete layout;
 158         delete cat_layout_3d;
 159 }
 160
 161 int Designer::main()
 162 {
 163         window.show();
 164
 165         mode = SELECT;
 166
 167         return Application::main();
 168 }
 169
 170 void Designer::save()
 171 {
 172         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 173         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 174 }
 175
 176 void Designer::quit()
 177 {
 178         exit(0);
 179 }
 180
 181 void Designer::new_track()
 182 {
 183         mode = CATALOGUE;
 184 }
 185
 186 void Designer::set_turnout_id()
 187 {
 188         Track *track = selection.get_track();
 189         if(selection.size()==1 && track->get_type().is_turnout())
 190         {
 191                 InputDialog *input = new InputDialog(*this, "Turnout ID", lexical_cast(track->get_turnout_id()));
 192                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::turnout_id_accept));
 193         }
 194 }
 195
 196 void Designer::set_sensor_id()
 197 {
 198         const set<Track *> &tracks = selection.get_tracks();
 199         bool ok = false;
 200         int id = -1;
 201         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 202         {
 203                 if(!(*i)->get_type().is_turnout())
 204                         ok = true;
 205                 if(static_cast<int>((*i)->get_sensor_id())!=id)
 206                 {
 207                         if(id==-1)
 208                                 id = (*i)->get_sensor_id();
 209                         else
 210                                 id = -2;
 211                 }
 212         }
 213
 214         if(ok)
 215         {
 216                 InputDialog *input = new InputDialog(*this, "Sensor ID", (id>=0 ? lexical_cast(id) : string()));
 217                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::sensor_id_accept));
 218         }
 219 }
 220
 221 void Designer::rename_route()
 222 {
 223         if(!cur_route)
 224                 return;
 225
 226         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 227         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 228 }
 229
 230 void Designer::edit_route(Route *r)
 231 {
 232         cur_route = r;
 233         show_route(r);
 234 }
 235
 236 void Designer::add_selection_to_route()
 237 {
 238         if(!cur_route)
 239                 return;
 240
 241         try
 242         {
 243                 cur_route->add_tracks(selection.get_tracks());
 244         }
 245         catch(const Exception &e)
 246         {
 247                 lbl_status->set_text(e.what());
 248         }
 249
 250         show_route(cur_route);
 251 }
 252
 253 Point Designer::map_pointer_coords(int x, int y)
 254 {
 255         float xf = x*2.0/window.get_width()-1.0;
 256         float yf = y*2.0/window.get_height()-1.0;
 257         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 258         const GL::Vector3 &pos = camera.get_position();
 259
 260         return Point(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 261 }
 262
 263 void Designer::tick()
 264 {
 265         const Msp::Time::TimeStamp t = Msp::Time::now();
 266         float dt = (t-last_tick)/Msp::Time::sec;
 267         last_tick = t;
 268
 269         window.get_display().tick();
 270         root->tick();
 271         camera_ctl->tick(dt);
 272
 273         for(list<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
 274                 layout_3d->get_track(**i).get_path().set_mask(0);
 275         new_tracks.clear();
 276
 277         render();
 278
 279         window.swap_buffers();
 280 }
 281
 282 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 283 {
 284         key = Input::key_from_sys(key);
 285         mod = Input::mod_from_sys(mod);
 286
 287         if(key==Msp::Input::KEY_N && (mod&Input::MOD_SHIFT))
 288         {
 289                 manipulator.start_extend();
 290                 mode = MANIPULATE;
 291         }
 292         else if(key==Msp::Input::KEY_N)
 293                 new_track();
 294         else if(key==Msp::Input::KEY_G)
 295         {
 296                 manipulator.start_move();
 297                 mode = MANIPULATE;
 298         }
 299         else if(key==Msp::Input::KEY_R)
 300         {
 301                 manipulator.start_rotate();
 302                 mode = MANIPULATE;
 303         }
 304         else if(key==Msp::Input::KEY_D)
 305         {
 306                 manipulator.duplicate();
 307                 manipulator.start_move();
 308                 mode = MANIPULATE;
 309         }
 310         else if(key==Msp::Input::KEY_W)
 311                 save();
 312         else if(key==Msp::Input::KEY_PLUS)
 313                 selection.select_more();
 314         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 315                 selection.select_blocks();
 316         else if(key==Msp::Input::KEY_L)
 317                 selection.select_linked();
 318         else if(key==Msp::Input::KEY_M)
 319         {
 320                 measure.start();
 321                 mode = MEASURE;
 322         }
 323         else if(key==Msp::Input::KEY_Z)
 324         {
 325                 manipulator.start_elevate();
 326                 mode = MANIPULATE;
 327         }
 328         else if(key==Msp::Input::KEY_ESC)
 329         {
 330                 if(mode==MANIPULATE)
 331                         manipulator.cancel();
 332                 else if(mode==CATALOGUE)
 333                         mode = SELECT;
 334                 else
 335                         selection.clear();
 336         }
 337         else if(key==Msp::Input::KEY_X)
 338         {
 339                 set<Track *> tracks = selection.get_tracks();
 340                 selection.clear();
 341                 for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 342                 {
 343                         overlay->clear(layout_3d->get_track(**i));
 344                         layout->remove_track(**i);
 345                         delete *i;
 346                 }
 347         }
 348         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 349         {
 350                 const set<Track *> &tracks = selection.get_tracks();
 351                 const set<Track *> &ltracks = layout->get_tracks();
 352                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 353                 {
 354                         (*i)->set_flex(!(*i)->get_flex());
 355                         (*i)->break_links();
 356                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 357                                 if(*j!=*i)
 358                                         (*i)->snap_to(**j, true);
 359
 360                         update_track_icon(layout_3d->get_track(**i));
 361                 }
 362         }
 363         else if(key==Msp::Input::KEY_F)
 364                 manipulator.flatten();
 365         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 366                 manipulator.even_slope(true);
 367         else if(key==Msp::Input::KEY_E)
 368                 manipulator.even_slope();
 369         else if(key==Msp::Input::KEY_T)
 370                 set_turnout_id();
 371         else if(key==Msp::Input::KEY_S)
 372                 set_sensor_id();
 373         else if(key==Msp::Input::KEY_A)
 374                 add_selection_to_route();
 375         else if(key==Msp::Input::KEY_C)
 376                 manipulator.connect();
 377 }
 378
 379 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 380 {
 381         y = window.get_height()-y-1;
 382         mod = Input::mod_from_sys(mod);
 383
 384         Point ground = map_pointer_coords(x, y);
 385
 386         if(mode==CATALOGUE)
 387         {
 388                 if(btn==1)
 389                 {
 390                         Track3D *ctrack = pick_track(x, y);
 391                         if(ctrack)
 392                         {
 393                                 Track *track = new Track(*layout, ctrack->get_track().get_type());
 394                                 track->set_position(ground);
 395
 396                                 selection.clear();
 397                                 selection.add_track(track);
 398
 399                                 mode = SELECT;
 400                         }
 401                 }
 402                 else
 403                         mode = SELECT;
 404         }
 405         else if(mode==SELECT)
 406         {
 407                 if(btn==1)
 408                 {
 409                         Track3D *track = pick_track(x, y);
 410                         if(track)
 411                         {
 412                                 if(!(mod&Input::MOD_SHIFT))
 413                                         selection.clear();
 414                                 selection.toggle_track(&track->get_track());
 415                         }
 416                 }
 417         }
 418         else if(mode==MANIPULATE)
 419                 manipulator.button_press(x, y, ground.x, ground.y, btn);
 420         else if(mode==MEASURE)
 421                 measure.button_press(x, y, ground.x, ground.y, btn);
 422 }
 423
 424 void Designer::pointer_motion(int x, int y)
 425 {
 426         y = window.get_height()-y-1;
 427
 428         if(!root->get_child_at(x, y))
 429         {
 430                 Point ground = map_pointer_coords(x, y);
 431                 manipulator.pointer_motion(x, y, ground.x, ground.y);
 432                 measure.pointer_motion(x, y, ground.x, ground.y);
 433         }
 434 }
 435
 436 void Designer::apply_camera()
 437 {
 438         if(mode==CATALOGUE)
 439         {
 440                 GL::matrix_mode(GL::PROJECTION);
 441                 GL::load_identity();
 442                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 443                 GL::matrix_mode(GL::MODELVIEW);
 444                 GL::load_identity();
 445                 GL::translate(0, 0, -1);
 446         }
 447         else
 448                 camera.apply();
 449 }
 450
 451 void Designer::render()
 452 {
 453         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 454
 455         if(mode==CATALOGUE)
 456         {
 457                 apply_camera();
 458                 cat_layout_3d->get_scene().render();
 459         }
 460         else
 461         {
 462                 pipeline->render_all();
 463                 GL::enable(GL_CULL_FACE);
 464                 {
 465                         GL::Bind bind_blend(GL::Blend::alpha());
 466                         overlay->render(0);
 467                 }
 468
 469                 GL::Bind bind_depth(GL::DepthTest::lequal());
 470                 if(mode==MEASURE)
 471                         measure.render();
 472         }
 473
 474         GL::matrix_mode(GL::PROJECTION);
 475         GL::load_identity();
 476         GL::ortho_bottomleft(window.get_width(), window.get_height());
 477         GL::matrix_mode(GL::MODELVIEW);
 478         GL::load_identity();
 479
 480         GL::disable(GL::DEPTH_TEST);
 481
 482         GL::Bind bind_blend(GL::Blend::alpha());
 483         root->render();
 484         GL::Texture::unbind();
 485 }
 486
 487 void Designer::track_added(Track &trk)
 488 {
 489         new_tracks.push_back(&trk);
 490 }
 491
 492 void Designer::track_removed(Track &trk)
 493 {
 494         list<Track *>::iterator i = find(new_tracks.begin(), new_tracks.end(), &trk);
 495         if(i!=new_tracks.end())
 496                 new_tracks.erase(i);
 497 }
 498
 499 Track3D *Designer::pick_track(int x, int y)
 500 {
 501         Layout3D *l = layout_3d;
 502         if(mode==CATALOGUE)
 503                 l = cat_layout_3d;
 504
 505         float xx = ((float(x)-window.get_width()/2)/window.get_height())*0.82843;
 506         float yy = (float(y)/window.get_height()-0.5)*0.82843;
 507         float size = 4.0/window.get_height()*0.82843;
 508
 509         apply_camera();
 510
 511         return l->pick_track(xx, yy, size);
 512 }
 513
 514 void Designer::update_track_icon(Track3D &track)
 515 {
 516         overlay->clear(track);
 517
 518         if(track.get_track().get_flex())
 519                 overlay->add_graphic(track, "flex");
 520
 521         if(unsigned sid = track.get_track().get_sensor_id())
 522         {
 523                 overlay->add_graphic(track, "sensor");
 524                 overlay->set_label(track, lexical_cast(sid));
 525         }
 526         else if(unsigned tid = track.get_track().get_turnout_id())
 527         {
 528                 if(tid<0x800)
 529                 {
 530                         overlay->add_graphic(track, "turnout");
 531                         overlay->set_label(track, lexical_cast(tid));
 532                 }
 533         }
 534 }
 535
 536 void Designer::selection_changed()
 537 {
 538         const set<Track *> &tracks = selection.get_tracks();
 539         if(tracks.empty())
 540                 lbl_status->set_text(string());
 541         else
 542         {
 543                 float len = 0;
 544                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 545                         len += (*i)->get_type().get_total_length();
 546                 lbl_status->set_text(format("%.2fm of track selected\n", len));
 547         }
 548 }
 549
 550 void Designer::manipulation_status(const string &status)
 551 {
 552         lbl_status->set_text(status);
 553 }
 554
 555 void Designer::manipulation_done(bool)
 556 {
 557         mode = SELECT;
 558         selection_changed();
 559 }
 560
 561 void Designer::measure_changed()
 562 {
 563         float pard = measure.get_parallel_distance()*1000;
 564         float perpd = measure.get_perpendicular_distance()*1000;
 565         float d = sqrt(pard*pard+perpd*perpd);
 566         float adiff = measure.get_angle_difference()*180/M_PI;
 567         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff);
 568         lbl_status->set_text(info);
 569 }
 570
 571 void Designer::measure_done()
 572 {
 573         mode = SELECT;
 574         selection_changed();
 575 }
 576
 577 void Designer::turnout_id_accept(const string &text)
 578 {
 579         Track *track = selection.get_track();
 580         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 581         track->set_turnout_id(id);
 582
 583         update_track_icon(layout_3d->get_track(*track));
 584 }
 585
 586 void Designer::sensor_id_accept(const string &text)
 587 {
 588         const set<Track *> &tracks = selection.get_tracks();
 589         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 590         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 591         {
 592                 (*i)->set_sensor_id(id);
 593
 594                 update_track_icon(layout_3d->get_track(**i));
 595         }
 596 }
 597
 598 void Designer::route_name_accept(const string &text)
 599 {
 600         if(cur_route)
 601                 cur_route->set_name(text);
 602 }
 603
 604 string Designer::tooltip(int x, int y)
 605 {
 606         if(Track3D *t3d = pick_track(x, y))
 607         {
 608                 const Track &track = t3d->get_track();
 609                 const TrackType &ttype = track.get_type();
 610                 string info = format("%d %s", ttype.get_article_number(), ttype.get_description());
 611                 if(mode!=CATALOGUE && abs(track.get_slope())>1e-4)
 612                         info += format(" (slope %.1f%%)", abs(track.get_slope()/ttype.get_total_length()*100));
 613                 if(track.get_turnout_id())
 614                         info += format(" (turnout %d)", track.get_turnout_id());
 615                 else if(track.get_sensor_id())
 616                         info += format(" (sensor %d)", track.get_sensor_id());
 617
 618                 return info;
 619         }
 620
 621         return string();
 622 }
 623
 624 void Designer::show_route(const Route *route)
 625 {
 626         const set<Track *> &ltracks = layout->get_tracks();
 627         for(set<Track *>::iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 628         {
 629                 Track3D &t3d = layout_3d->get_track(**i);
 630                 if(route && route->has_track(**i))
 631                 {
 632                         t3d.get_path().set_color(GL::Color(0.5, 0.8, 1.0));
 633                         if((*i)->get_type().is_turnout())
 634                         {
 635                                 unsigned tid = (*i)->get_turnout_id();
 636                                 int path = (tid ? route->get_turnout(tid) : -1);
 637                                 if(path>=0)
 638                                         t3d.get_path().set_path(path);
 639                                 else
 640                                         t3d.get_path().set_mask((*i)->get_type().get_paths());
 641                         }
 642                         else
 643                                 t3d.get_path().set_path(0);
 644                 }
 645                 else
 646                         t3d.get_path().set_mask(0);
 647         }
 648 }