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 <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/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 "svgexporter.h"
  38 #include "toolbar.h"
  39
  40 using namespace std;
  41 using namespace Marklin;
  42 using namespace Msp;
  43
  44 Application::RegApp<Designer> Designer::reg;
  45
  46 Designer::Designer(int argc, char **argv):
  47         window(1280, 960),
  48         ui_res("marklin.res"),
  49         root(ui_res, window),
  50         base_object(0),
  51         cur_route(0),
  52         mode(SELECT),
  53         manipulator(*this, root, selection),
  54         measure(*this),
  55         camera_ctl(*this, root, camera),
  56         track_wrap(*this, selection)
  57 {
  58         window.set_title("Railway Designer");
  59         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  60
  61         selection.signal_changed.connect(sigc::mem_fun(this, &Designer::selection_changed));
  62         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  63         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  64         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  65         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  66
  67         // Setup catalogue and layout
  68         DataFile::load(catalogue, "tracks.dat");
  69
  70         cat_layout_3d = new Layout3D(catalogue.get_layout());
  71
  72         layout = new Layout(catalogue);
  73         layout_3d = new Layout3D(*layout);
  74
  75         layout->signal_track_added.connect(sigc::mem_fun(this, &Designer::track_added));
  76         layout->signal_track_removed.connect(sigc::mem_fun(this, &Designer::track_removed));
  77
  78         if(argc>1)
  79         {
  80                 filename = argv[1];
  81                 DataFile::load(*layout, argv[1]);
  82
  83                 if(!layout->get_base().empty())
  84                 {
  85                         base_object = new GL::Object;
  86                         DataFile::load(*base_object, layout->get_base());
  87                 }
  88         }
  89
  90         // Setup OpenGL
  91         GL::enable(GL_CULL_FACE);
  92
  93         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  94         pipeline->set_camera(&camera);
  95         pipeline->add_renderable_for_pass(layout_3d->get_scene(), 0);
  96         if(base_object)
  97                 pipeline->add_renderable(*base_object);
  98         pipeline->add_renderable_for_pass(track_wrap, "unlit");
  99         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
 100         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
 101
 102         light.set_position(0, -0.259, 0.966, 0);
 103         lighting.attach(0, light);
 104
 105         GL::PipelinePass *pass = &pipeline->add_pass(0);
 106         pass->lighting = &lighting;
 107         pass->depth_test = &GL::DepthTest::lequal();
 108
 109         pass = &pipeline->add_pass("unlit");
 110         pass->depth_test = &GL::DepthTest::lequal();
 111         pass->blend = &GL::Blend::alpha();
 112
 113         pass = &pipeline->add_pass("blended");
 114         pass->lighting = &lighting;
 115         pass->depth_test = &GL::DepthTest::lequal();
 116         pass->blend = &GL::Blend::alpha();
 117
 118         camera.set_up_direction(GL::Vector3(0, 0, 1));
 119         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 120
 121         // Setup UI
 122         root.signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 123         root.signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 124         root.signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 125         root.signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 126
 127         toolbar = new Toolbar(*this);
 128         root.add(*toolbar);
 129         toolbar->set_position(0, window.get_height()-toolbar->get_geometry().h);
 130         toolbar->set_focusable(false);
 131
 132         GLtk::Panel *statusbar = new GLtk::Panel;
 133         root.add(*statusbar);
 134         statusbar->set_size(window.get_width(), 20);
 135         statusbar->set_focusable(false);
 136
 137         lbl_status = new GLtk::Label;
 138         statusbar->add(*lbl_status);
 139         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 140
 141         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 142
 143         camera_ctl.view_all();
 144
 145         const Layout3D::TrackMap &tracks = layout_3d->get_tracks();
 146         for(Layout3D::TrackMap::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 147                 update_track_icon(*i->second);
 148 }
 149
 150 Designer::~Designer()
 151 {
 152         delete overlay;
 153         delete pipeline;
 154         delete base_object;
 155         delete layout_3d;
 156         delete layout;
 157         delete cat_layout_3d;
 158 }
 159
 160 int Designer::main()
 161 {
 162         window.show();
 163
 164         mode = SELECT;
 165
 166         return Application::main();
 167 }
 168
 169 void Designer::save()
 170 {
 171         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 172         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 173 }
 174
 175 void Designer::quit()
 176 {
 177         exit(0);
 178 }
 179
 180 void Designer::new_track()
 181 {
 182         mode = CATALOGUE;
 183 }
 184
 185 void Designer::set_turnout_id()
 186 {
 187         Track *track = selection.get_track();
 188         if(selection.size()==1 && track->get_type().is_turnout())
 189         {
 190                 InputDialog *input = new InputDialog(*this, "Turnout ID", lexical_cast(track->get_turnout_id()));
 191                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::turnout_id_accept));
 192         }
 193 }
 194
 195 void Designer::set_sensor_id()
 196 {
 197         const set<Track *> &tracks = selection.get_tracks();
 198         bool ok = false;
 199         int id = -1;
 200         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 201         {
 202                 if(!(*i)->get_type().is_turnout())
 203                         ok = true;
 204                 if(static_cast<int>((*i)->get_sensor_id())!=id)
 205                 {
 206                         if(id==-1)
 207                                 id = (*i)->get_sensor_id();
 208                         else
 209                                 id = -2;
 210                 }
 211         }
 212
 213         if(ok)
 214         {
 215                 InputDialog *input = new InputDialog(*this, "Sensor ID", (id>=0 ? lexical_cast(id) : string()));
 216                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::sensor_id_accept));
 217         }
 218 }
 219
 220 void Designer::rename_route()
 221 {
 222         if(!cur_route)
 223                 return;
 224
 225         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 226         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 227 }
 228
 229 void Designer::svg_export()
 230 {
 231         InputDialog *input = new InputDialog(*this, "SVG export", FS::basepart(filename)+".svg");
 232         input->signal_accept.connect(sigc::mem_fun(this, &Designer::svg_export_accept));
 233 }
 234
 235 void Designer::edit_route(Route *r)
 236 {
 237         cur_route = r;
 238         show_route(r);
 239 }
 240
 241 void Designer::add_selection_to_route()
 242 {
 243         if(!cur_route)
 244                 return;
 245
 246         try
 247         {
 248                 cur_route->add_tracks(selection.get_tracks());
 249         }
 250         catch(const Exception &e)
 251         {
 252                 lbl_status->set_text(e.what());
 253         }
 254
 255         show_route(cur_route);
 256 }
 257
 258 Point Designer::map_pointer_to_ground(int x, int y)
 259 {
 260         float xf = x*2.0/window.get_width()-1.0;
 261         float yf = y*2.0/window.get_height()-1.0;
 262         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 263         const GL::Vector3 &pos = camera.get_position();
 264
 265         return Point(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 266 }
 267
 268 void Designer::tick()
 269 {
 270         const Msp::Time::TimeStamp t = Msp::Time::now();
 271         float dt = (t-last_tick)/Msp::Time::sec;
 272         last_tick = t;
 273
 274         if(mode==MANIPULATE_DONE)
 275                 mode = SELECT;
 276
 277         window.tick();
 278         root.tick();
 279         camera_ctl.tick(dt);
 280
 281         for(list<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
 282                 layout_3d->get_track(**i).get_path().set_mask(0);
 283         new_tracks.clear();
 284
 285         render();
 286
 287         window.swap_buffers();
 288 }
 289
 290 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 291 {
 292         key = Input::key_from_sys(key);
 293         mod = Input::mod_from_sys(mod);
 294
 295         if(key==Msp::Input::KEY_N && (mod&Input::MOD_SHIFT))
 296         {
 297                 manipulator.start_extend();
 298                 mode = MANIPULATE;
 299         }
 300         else if(key==Msp::Input::KEY_N)
 301                 new_track();
 302         else if(key==Msp::Input::KEY_G)
 303         {
 304                 manipulator.start_move();
 305                 mode = MANIPULATE;
 306         }
 307         else if(key==Msp::Input::KEY_R)
 308         {
 309                 manipulator.start_rotate();
 310                 mode = MANIPULATE;
 311         }
 312         else if(key==Msp::Input::KEY_D)
 313         {
 314                 manipulator.duplicate();
 315                 manipulator.start_move();
 316                 mode = MANIPULATE;
 317         }
 318         else if(key==Msp::Input::KEY_W)
 319                 save();
 320         else if(key==Msp::Input::KEY_PLUS)
 321                 selection.select_more();
 322         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 323                 selection.select_blocks();
 324         else if(key==Msp::Input::KEY_L)
 325                 selection.select_linked();
 326         else if(key==Msp::Input::KEY_M)
 327         {
 328                 measure.start();
 329                 mode = MEASURE;
 330         }
 331         else if(key==Msp::Input::KEY_Z)
 332         {
 333                 manipulator.start_elevate();
 334                 mode = MANIPULATE;
 335         }
 336         else if(key==Msp::Input::KEY_ESC)
 337         {
 338                 if(mode==MANIPULATE)
 339                         manipulator.cancel();
 340                 else if(mode==CATALOGUE)
 341                         mode = SELECT;
 342                 else
 343                         selection.clear();
 344         }
 345         else if(key==Msp::Input::KEY_X)
 346         {
 347                 set<Track *> tracks = selection.get_tracks();
 348                 selection.clear();
 349                 for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 350                 {
 351                         overlay->clear(layout_3d->get_track(**i));
 352                         layout->remove_track(**i);
 353                         delete *i;
 354                 }
 355         }
 356         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 357         {
 358                 const set<Track *> &tracks = selection.get_tracks();
 359                 const set<Track *> &ltracks = layout->get_tracks();
 360                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 361                 {
 362                         (*i)->set_flex(!(*i)->get_flex());
 363                         (*i)->break_links();
 364                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 365                                 if(*j!=*i)
 366                                         (*i)->snap_to(**j, true);
 367
 368                         update_track_icon(layout_3d->get_track(**i));
 369                 }
 370         }
 371         else if(key==Msp::Input::KEY_F)
 372                 manipulator.flatten();
 373         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 374                 manipulator.even_slope(true);
 375         else if(key==Msp::Input::KEY_E)
 376                 manipulator.even_slope();
 377         else if(key==Msp::Input::KEY_T)
 378                 set_turnout_id();
 379         else if(key==Msp::Input::KEY_S)
 380                 set_sensor_id();
 381         else if(key==Msp::Input::KEY_A)
 382                 add_selection_to_route();
 383         else if(key==Msp::Input::KEY_C)
 384                 manipulator.connect();
 385         else if(key==Msp::Input::KEY_V)
 386                 svg_export();
 387 }
 388
 389 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 390 {
 391         y = window.get_height()-y-1;
 392         mod = Input::mod_from_sys(mod);
 393
 394         Point ground = map_pointer_to_ground(x, y);
 395
 396         if(mode==CATALOGUE)
 397         {
 398                 if(btn==1)
 399                 {
 400                         Track3D *ctrack = pick_track(x, y);
 401                         if(ctrack)
 402                         {
 403                                 Track *track = new Track(*layout, ctrack->get_track().get_type());
 404                                 track->set_position(ground);
 405
 406                                 selection.clear();
 407                                 selection.add_track(track);
 408
 409                                 mode = SELECT;
 410                         }
 411                 }
 412                 else
 413                         mode = SELECT;
 414         }
 415         else if(mode==SELECT)
 416         {
 417                 if(btn==1)
 418                 {
 419                         Track3D *track = pick_track(x, y);
 420                         if(track)
 421                         {
 422                                 if(!(mod&Input::MOD_SHIFT))
 423                                         selection.clear();
 424                                 selection.toggle_track(&track->get_track());
 425                         }
 426                 }
 427         }
 428         else if(mode==MEASURE)
 429                 measure.button_press(x, y, ground.x, ground.y, btn);
 430 }
 431
 432 void Designer::pointer_motion(int x, int y)
 433 {
 434         y = window.get_height()-y-1;
 435
 436         if(!root.get_child_at(x, y))
 437         {
 438                 Point ground = map_pointer_to_ground(x, y);
 439                 measure.pointer_motion(x, y, ground.x, ground.y);
 440         }
 441 }
 442
 443 void Designer::apply_camera()
 444 {
 445         if(mode==CATALOGUE)
 446         {
 447                 GL::matrix_mode(GL::PROJECTION);
 448                 GL::load_identity();
 449                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 450                 GL::matrix_mode(GL::MODELVIEW);
 451                 GL::load_identity();
 452                 GL::translate(0, 0, -1);
 453         }
 454         else
 455                 camera.apply();
 456 }
 457
 458 void Designer::render()
 459 {
 460         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 461
 462         if(mode==CATALOGUE)
 463         {
 464                 apply_camera();
 465                 cat_layout_3d->get_scene().render();
 466         }
 467         else
 468         {
 469                 pipeline->render_all();
 470                 GL::enable(GL_CULL_FACE);
 471                 {
 472                         GL::Bind bind_blend(GL::Blend::alpha());
 473                         overlay->render(0);
 474                 }
 475
 476                 GL::Bind bind_depth(GL::DepthTest::lequal());
 477                 if(mode==MEASURE)
 478                         measure.render();
 479         }
 480
 481         GL::matrix_mode(GL::PROJECTION);
 482         GL::load_identity();
 483         GL::ortho_bottomleft(window.get_width(), window.get_height());
 484         GL::matrix_mode(GL::MODELVIEW);
 485         GL::load_identity();
 486
 487         GL::disable(GL::DEPTH_TEST);
 488
 489         GL::Bind bind_blend(GL::Blend::alpha());
 490         root.render();
 491         GL::Texture::unbind();
 492 }
 493
 494 void Designer::track_added(Track &trk)
 495 {
 496         new_tracks.push_back(&trk);
 497 }
 498
 499 void Designer::track_removed(Track &trk)
 500 {
 501         list<Track *>::iterator i = find(new_tracks.begin(), new_tracks.end(), &trk);
 502         if(i!=new_tracks.end())
 503                 new_tracks.erase(i);
 504 }
 505
 506 Track3D *Designer::pick_track(int x, int y)
 507 {
 508         Layout3D *l = layout_3d;
 509         if(mode==CATALOGUE)
 510                 l = cat_layout_3d;
 511
 512         float xx = ((float(x)-window.get_width()/2)/window.get_height())*0.82843;
 513         float yy = (float(y)/window.get_height()-0.5)*0.82843;
 514         float size = 4.0/window.get_height()*0.82843;
 515
 516         apply_camera();
 517
 518         return l->pick_track(xx, yy, size);
 519 }
 520
 521 void Designer::update_track_icon(Track3D &track)
 522 {
 523         overlay->clear(track);
 524
 525         if(track.get_track().get_flex())
 526                 overlay->add_graphic(track, "flex");
 527
 528         if(unsigned sid = track.get_track().get_sensor_id())
 529         {
 530                 overlay->add_graphic(track, "sensor");
 531                 overlay->set_label(track, lexical_cast(sid));
 532         }
 533         else if(unsigned tid = track.get_track().get_turnout_id())
 534         {
 535                 if(tid<0x800)
 536                 {
 537                         overlay->add_graphic(track, "turnout");
 538                         overlay->set_label(track, lexical_cast(tid));
 539                 }
 540         }
 541 }
 542
 543 void Designer::selection_changed()
 544 {
 545         const set<Track *> &tracks = selection.get_tracks();
 546         if(tracks.empty())
 547                 lbl_status->set_text(string());
 548         else
 549         {
 550                 float len = 0;
 551                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 552                         len += (*i)->get_type().get_total_length();
 553                 lbl_status->set_text(format("%.2fm of track selected\n", len));
 554         }
 555 }
 556
 557 void Designer::manipulation_status(const string &status)
 558 {
 559         lbl_status->set_text(status);
 560 }
 561
 562 void Designer::manipulation_done(bool)
 563 {
 564         mode = MANIPULATE_DONE;
 565         selection_changed();
 566 }
 567
 568 void Designer::measure_changed()
 569 {
 570         float pard = measure.get_parallel_distance()*1000;
 571         float perpd = measure.get_perpendicular_distance()*1000;
 572         float d = sqrt(pard*pard+perpd*perpd);
 573         float adiff = measure.get_angle_difference()*180/M_PI;
 574         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff);
 575         lbl_status->set_text(info);
 576 }
 577
 578 void Designer::measure_done()
 579 {
 580         mode = SELECT;
 581         selection_changed();
 582 }
 583
 584 void Designer::turnout_id_accept(const string &text)
 585 {
 586         Track *track = selection.get_track();
 587         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 588         track->set_turnout_id(id);
 589
 590         update_track_icon(layout_3d->get_track(*track));
 591 }
 592
 593 void Designer::sensor_id_accept(const string &text)
 594 {
 595         const set<Track *> &tracks = selection.get_tracks();
 596         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 597         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 598         {
 599                 (*i)->set_sensor_id(id);
 600
 601                 update_track_icon(layout_3d->get_track(**i));
 602         }
 603 }
 604
 605 void Designer::route_name_accept(const string &text)
 606 {
 607         if(cur_route)
 608                 cur_route->set_name(text);
 609 }
 610
 611 void Designer::svg_export_accept(const string &text)
 612 {
 613         SvgExporter svg_exp(*layout);
 614         svg_exp.save(text);
 615 }
 616
 617 string Designer::tooltip(int x, int y)
 618 {
 619         if(Track3D *t3d = pick_track(x, y))
 620         {
 621                 const Track &track = t3d->get_track();
 622                 const TrackType &ttype = track.get_type();
 623                 string info = format("%d %s", ttype.get_article_number(), ttype.get_description());
 624                 if(mode!=CATALOGUE && abs(track.get_slope())>1e-4)
 625                         info += format(" (slope %.1f%%)", abs(track.get_slope()/ttype.get_total_length()*100));
 626                 if(track.get_turnout_id())
 627                         info += format(" (turnout %d)", track.get_turnout_id());
 628                 else if(track.get_sensor_id())
 629                         info += format(" (sensor %d)", track.get_sensor_id());
 630
 631                 return info;
 632         }
 633
 634         return string();
 635 }
 636
 637 void Designer::show_route(const Route *route)
 638 {
 639         const set<Track *> &ltracks = layout->get_tracks();
 640         for(set<Track *>::iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 641         {
 642                 Track3D &t3d = layout_3d->get_track(**i);
 643                 if(route && route->has_track(**i))
 644                 {
 645                         t3d.get_path().set_color(GL::Color(0.5, 0.8, 1.0));
 646                         if((*i)->get_type().is_turnout())
 647                         {
 648                                 unsigned tid = (*i)->get_turnout_id();
 649                                 int path = (tid ? route->get_turnout(tid) : -1);
 650                                 if(path>=0)
 651                                         t3d.get_path().set_path(path);
 652                                 else
 653                                         t3d.get_path().set_mask((*i)->get_type().get_paths());
 654                         }
 655                         else
 656                                 t3d.get_path().set_path(0);
 657                 }
 658                 else
 659                         t3d.get_path().set_mask(0);
 660         }
 661 }