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 "3d/path.h"
  31 #include "designer.h"
  32 #include "input.h"
  33 #include "manipulator.h"
  34 #include "measure.h"
  35 #include "selection.h"
  36 #include "toolbar.h"
  37
  38 using namespace std;
  39 using namespace Marklin;
  40 using namespace Msp;
  41
  42 Application::RegApp<Designer> Designer::reg;
  43
  44 Designer::Designer(int argc, char **argv):
  45         window(1280, 960),
  46         base_object(0),
  47         cur_route(0),
  48         mode(SELECT),
  49         manipulator(*this, selection),
  50         measure(*this),
  51         track_wrap(*this, selection)
  52 {
  53         window.set_title("Railway Designer");
  54         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  55
  56         selection.signal_changed.connect(sigc::mem_fun(this, &Designer::selection_changed));
  57         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  58         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  59         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  60         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  61
  62         // Setup catalogue and layout
  63         DataFile::load(catalogue, "tracks.dat");
  64
  65         cat_layout_3d = new Layout3D(catalogue.get_layout());
  66
  67         layout = new Layout(catalogue);
  68         layout_3d = new Layout3D(*layout);
  69
  70         layout->signal_track_added.connect(sigc::mem_fun(this, &Designer::track_added));
  71
  72         if(argc>1)
  73         {
  74                 filename = argv[1];
  75                 DataFile::load(*layout, argv[1]);
  76
  77                 if(!layout->get_base().empty())
  78                 {
  79                         base_object = new GL::Object;
  80                         DataFile::load(*base_object, layout->get_base());
  81                 }
  82         }
  83
  84         // Setup OpenGL
  85         GL::enable(GL_CULL_FACE);
  86
  87         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  88         pipeline->set_camera(&camera);
  89         pipeline->add_renderable_for_pass(layout_3d->get_scene(), 0);
  90         if(base_object)
  91                 pipeline->add_renderable(*base_object);
  92         pipeline->add_renderable_for_pass(track_wrap, "unlit");
  93         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
  94         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
  95
  96         light.set_position(0, -0.259, 0.966, 0);
  97         lighting.attach(0, light);
  98
  99         GL::PipelinePass *pass = &pipeline->add_pass(0);
 100         pass->lighting = &lighting;
 101         pass->depth_test = &GL::DepthTest::lequal();
 102
 103         pass = &pipeline->add_pass("unlit");
 104         pass->depth_test = &GL::DepthTest::lequal();
 105         pass->blend = &GL::Blend::alpha();
 106
 107         pass = &pipeline->add_pass("blended");
 108         pass->lighting = &lighting;
 109         pass->depth_test = &GL::DepthTest::lequal();
 110         pass->blend = &GL::Blend::alpha();
 111
 112         camera.set_up_direction(GL::Vector3(0, 0, 1));
 113         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 114
 115         // Setup UI
 116         DataFile::load(ui_res, "marklin.res");
 117         root = new GLtk::Root(ui_res, window);
 118         root->signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 119         root->signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 120         root->signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 121         root->signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 122
 123         toolbar = new Toolbar(*this);
 124         root->add(*toolbar);
 125         toolbar->set_position(0, window.get_height()-toolbar->get_geometry().h);
 126         toolbar->set_focusable(false);
 127
 128         GLtk::Panel *statusbar = new GLtk::Panel(ui_res);
 129         root->add(*statusbar);
 130         statusbar->set_size(window.get_width(), 20);
 131         statusbar->set_focusable(false);
 132
 133         lbl_status = new GLtk::Label(ui_res);
 134         statusbar->add(*lbl_status);
 135         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 136
 137         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 138
 139         camera_ctl = new CameraController(*this, *root, camera);
 140         camera_ctl->view_all();
 141
 142         const Layout3D::TrackMap &tracks = layout_3d->get_tracks();
 143         for(Layout3D::TrackMap::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 144                 update_track_icon(*i->second);
 145 }
 146
 147 Designer::~Designer()
 148 {
 149         delete camera_ctl;
 150         delete overlay;
 151         delete root;
 152         delete pipeline;
 153         delete base_object;
 154         delete layout_3d;
 155         delete layout;
 156         delete cat_layout_3d;
 157 }
 158
 159 int Designer::main()
 160 {
 161         window.show();
 162
 163         mode = SELECT;
 164
 165         return Application::main();
 166 }
 167
 168 void Designer::save()
 169 {
 170         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 171         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 172 }
 173
 174 void Designer::quit()
 175 {
 176         exit(0);
 177 }
 178
 179 void Designer::new_track()
 180 {
 181         mode = CATALOGUE;
 182 }
 183
 184 void Designer::set_turnout_id()
 185 {
 186         Track *track = selection.get_track();
 187         if(selection.size()==1 && track->get_type().is_turnout())
 188         {
 189                 InputDialog *input = new InputDialog(*this, "Turnout ID", lexical_cast(track->get_turnout_id()));
 190                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::turnout_id_accept));
 191         }
 192 }
 193
 194 void Designer::set_sensor_id()
 195 {
 196         const set<Track *> &tracks = selection.get_tracks();
 197         bool ok = false;
 198         int id = -1;
 199         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 200         {
 201                 if(!(*i)->get_type().is_turnout())
 202                         ok = true;
 203                 if(static_cast<int>((*i)->get_sensor_id())!=id)
 204                 {
 205                         if(id==-1)
 206                                 id = (*i)->get_sensor_id();
 207                         else
 208                                 id = -2;
 209                 }
 210         }
 211
 212         if(ok)
 213         {
 214                 InputDialog *input = new InputDialog(*this, "Sensor ID", (id>=0 ? lexical_cast(id) : string()));
 215                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::sensor_id_accept));
 216         }
 217 }
 218
 219 void Designer::rename_route()
 220 {
 221         if(!cur_route)
 222                 return;
 223
 224         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 225         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 226 }
 227
 228 void Designer::edit_route(Route *r)
 229 {
 230         cur_route = r;
 231         show_route(r);
 232 }
 233
 234 void Designer::add_selection_to_route()
 235 {
 236         if(!cur_route)
 237                 return;
 238
 239         try
 240         {
 241                 cur_route->add_tracks(selection.get_tracks());
 242         }
 243         catch(const Exception &e)
 244         {
 245                 lbl_status->set_text(e.what());
 246         }
 247
 248         show_route(cur_route);
 249 }
 250
 251 Point Designer::map_pointer_coords(int x, int y)
 252 {
 253         float xf = x*2.0/window.get_width()-1.0;
 254         float yf = y*2.0/window.get_height()-1.0;
 255         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 256         const GL::Vector3 &pos = camera.get_position();
 257
 258         return Point(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 259 }
 260
 261 void Designer::tick()
 262 {
 263         const Msp::Time::TimeStamp t = Msp::Time::now();
 264         float dt = (t-last_tick)/Msp::Time::sec;
 265         last_tick = t;
 266
 267         window.get_display().tick();
 268         root->tick();
 269         camera_ctl->tick(dt);
 270
 271         for(list<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
 272                 layout_3d->get_track(**i).get_path().set_mask(0);
 273         new_tracks.clear();
 274
 275         render();
 276
 277         window.swap_buffers();
 278 }
 279
 280 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 281 {
 282         key = Input::key_from_sys(key);
 283         mod = Input::mod_from_sys(mod);
 284
 285         if(key==Msp::Input::KEY_N)
 286                 new_track();
 287         else if(key==Msp::Input::KEY_G)
 288         {
 289                 manipulator.start_move();
 290                 mode = MANIPULATE;
 291         }
 292         else if(key==Msp::Input::KEY_R)
 293         {
 294                 manipulator.start_rotate();
 295                 mode = MANIPULATE;
 296         }
 297         else if(key==Msp::Input::KEY_D)
 298         {
 299                 manipulator.duplicate();
 300                 manipulator.start_move();
 301                 mode = MANIPULATE;
 302         }
 303         else if(key==Msp::Input::KEY_W)
 304                 save();
 305         else if(key==Msp::Input::KEY_PLUS)
 306                 selection.select_more();
 307         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 308                 selection.select_blocks();
 309         else if(key==Msp::Input::KEY_L)
 310                 selection.select_linked();
 311         else if(key==Msp::Input::KEY_M)
 312         {
 313                 measure.start();
 314                 mode = MEASURE;
 315         }
 316         else if(key==Msp::Input::KEY_Z)
 317         {
 318                 manipulator.start_elevate();
 319                 mode = MANIPULATE;
 320         }
 321         else if(key==Msp::Input::KEY_ESC)
 322         {
 323                 if(mode==MANIPULATE)
 324                         manipulator.cancel();
 325                 else if(mode==CATALOGUE)
 326                         mode = SELECT;
 327                 else
 328                         selection.clear();
 329         }
 330         else if(key==Msp::Input::KEY_X)
 331         {
 332                 set<Track *> tracks = selection.get_tracks();
 333                 selection.clear();
 334                 for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 335                 {
 336                         overlay->clear(layout_3d->get_track(**i));
 337                         layout->remove_track(**i);
 338                         delete *i;
 339                 }
 340         }
 341         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 342         {
 343                 const set<Track *> &tracks = selection.get_tracks();
 344                 const set<Track *> &ltracks = layout->get_tracks();
 345                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 346                 {
 347                         (*i)->set_flex(!(*i)->get_flex());
 348                         (*i)->break_links();
 349                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 350                                 if(*j!=*i)
 351                                         (*i)->snap_to(**j, true);
 352
 353                         update_track_icon(layout_3d->get_track(**i));
 354                 }
 355         }
 356         else if(key==Msp::Input::KEY_F)
 357                 manipulator.flatten();
 358         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 359                 manipulator.even_slope(true);
 360         else if(key==Msp::Input::KEY_E)
 361                 manipulator.even_slope();
 362         else if(key==Msp::Input::KEY_T)
 363                 set_turnout_id();
 364         else if(key==Msp::Input::KEY_S)
 365                 set_sensor_id();
 366         else if(key==Msp::Input::KEY_A)
 367                 add_selection_to_route();
 368         else if(key==Msp::Input::KEY_C)
 369                 manipulator.connect();
 370 }
 371
 372 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 373 {
 374         y = window.get_height()-y-1;
 375         mod = Input::mod_from_sys(mod);
 376
 377         Point ground = map_pointer_coords(x, y);
 378
 379         if(mode==CATALOGUE)
 380         {
 381                 if(btn==1)
 382                 {
 383                         Track3D *ctrack = pick_track(x, y);
 384                         if(ctrack)
 385                         {
 386                                 Track *track = new Track(*layout, ctrack->get_track().get_type());
 387                                 track->set_position(ground);
 388
 389                                 selection.clear();
 390                                 selection.add_track(track);
 391
 392                                 mode = SELECT;
 393                         }
 394                 }
 395                 else
 396                         mode = SELECT;
 397         }
 398         else if(mode==SELECT)
 399         {
 400                 if(btn==1)
 401                 {
 402                         Track3D *track = pick_track(x, y);
 403                         if(track)
 404                         {
 405                                 if(!(mod&Input::MOD_SHIFT))
 406                                         selection.clear();
 407                                 selection.toggle_track(&track->get_track());
 408                         }
 409                 }
 410         }
 411         else if(mode==MANIPULATE)
 412                 manipulator.button_press(x, y, ground.x, ground.y, btn);
 413         else if(mode==MEASURE)
 414                 measure.button_press(x, y, ground.x, ground.y, btn);
 415 }
 416
 417 void Designer::pointer_motion(int x, int y)
 418 {
 419         y = window.get_height()-y-1;
 420
 421         if(!root->get_child_at(x, y))
 422         {
 423                 Point ground = map_pointer_coords(x, y);
 424                 manipulator.pointer_motion(x, y, ground.x, ground.y);
 425                 measure.pointer_motion(x, y, ground.x, ground.y);
 426         }
 427 }
 428
 429 void Designer::apply_camera()
 430 {
 431         if(mode==CATALOGUE)
 432         {
 433                 GL::matrix_mode(GL::PROJECTION);
 434                 GL::load_identity();
 435                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 436                 GL::matrix_mode(GL::MODELVIEW);
 437                 GL::load_identity();
 438                 GL::translate(0, 0, -1);
 439         }
 440         else
 441                 camera.apply();
 442 }
 443
 444 void Designer::render()
 445 {
 446         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 447
 448         if(mode==CATALOGUE)
 449         {
 450                 apply_camera();
 451                 cat_layout_3d->get_scene().render();
 452         }
 453         else
 454         {
 455                 pipeline->render_all();
 456                 GL::enable(GL_CULL_FACE);
 457                 {
 458                         GL::Bind bind_blend(GL::Blend::alpha());
 459                         overlay->render(0);
 460                 }
 461
 462                 GL::Bind bind_depth(GL::DepthTest::lequal());
 463                 if(mode==MEASURE)
 464                         measure.render();
 465         }
 466
 467         GL::matrix_mode(GL::PROJECTION);
 468         GL::load_identity();
 469         GL::ortho_bottomleft(window.get_width(), window.get_height());
 470         GL::matrix_mode(GL::MODELVIEW);
 471         GL::load_identity();
 472
 473         GL::disable(GL::DEPTH_TEST);
 474
 475         GL::Bind bind_blend(GL::Blend::alpha());
 476         root->render();
 477         GL::Texture::unbind();
 478 }
 479
 480 void Designer::track_added(Track &trk)
 481 {
 482         new_tracks.push_back(&trk);
 483 }
 484
 485 Track3D *Designer::pick_track(int x, int y)
 486 {
 487         Layout3D *l = layout_3d;
 488         if(mode==CATALOGUE)
 489                 l = cat_layout_3d;
 490
 491         float xx = ((float(x)-window.get_width()/2)/window.get_height())*0.82843;
 492         float yy = (float(y)/window.get_height()-0.5)*0.82843;
 493         float size = 4.0/window.get_height()*0.82843;
 494
 495         apply_camera();
 496
 497         return l->pick_track(xx, yy, size);
 498 }
 499
 500 void Designer::update_track_icon(Track3D &track)
 501 {
 502         overlay->clear(track);
 503
 504         if(track.get_track().get_flex())
 505                 overlay->add_graphic(track, "flex");
 506
 507         if(unsigned sid = track.get_track().get_sensor_id())
 508         {
 509                 overlay->add_graphic(track, "sensor");
 510                 overlay->set_label(track, lexical_cast(sid));
 511         }
 512         else if(unsigned tid = track.get_track().get_turnout_id())
 513         {
 514                 if(tid<0x800)
 515                 {
 516                         overlay->add_graphic(track, "turnout");
 517                         overlay->set_label(track, lexical_cast(tid));
 518                 }
 519         }
 520 }
 521
 522 void Designer::selection_changed()
 523 {
 524         const set<Track *> &tracks = selection.get_tracks();
 525         if(tracks.empty())
 526                 lbl_status->set_text(string());
 527         else
 528         {
 529                 float len = 0;
 530                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 531                         len += (*i)->get_type().get_total_length();
 532                 lbl_status->set_text(format("%.2fm of track selected\n", len));
 533         }
 534 }
 535
 536 void Designer::manipulation_status(const string &status)
 537 {
 538         lbl_status->set_text(status);
 539 }
 540
 541 void Designer::manipulation_done(bool)
 542 {
 543         mode = SELECT;
 544         selection_changed();
 545 }
 546
 547 void Designer::measure_changed()
 548 {
 549         float pard = measure.get_parallel_distance()*1000;
 550         float perpd = measure.get_perpendicular_distance()*1000;
 551         float d = sqrt(pard*pard+perpd*perpd);
 552         float adiff = measure.get_angle_difference()*180/M_PI;
 553         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff);
 554         lbl_status->set_text(info);
 555 }
 556
 557 void Designer::measure_done()
 558 {
 559         mode = SELECT;
 560         selection_changed();
 561 }
 562
 563 void Designer::turnout_id_accept(const string &text)
 564 {
 565         Track *track = selection.get_track();
 566         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 567         track->set_turnout_id(id);
 568
 569         update_track_icon(layout_3d->get_track(*track));
 570 }
 571
 572 void Designer::sensor_id_accept(const string &text)
 573 {
 574         const set<Track *> &tracks = selection.get_tracks();
 575         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 576         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 577         {
 578                 (*i)->set_sensor_id(id);
 579
 580                 update_track_icon(layout_3d->get_track(**i));
 581         }
 582 }
 583
 584 void Designer::route_name_accept(const string &text)
 585 {
 586         if(cur_route)
 587                 cur_route->set_name(text);
 588 }
 589
 590 string Designer::tooltip(int x, int y)
 591 {
 592         if(Track3D *t3d = pick_track(x, y))
 593         {
 594                 const Track &track = t3d->get_track();
 595                 const TrackType &ttype = track.get_type();
 596                 string info = format("%d %s", ttype.get_article_number(), ttype.get_description());
 597                 if(mode!=CATALOGUE && abs(track.get_slope())>1e-4)
 598                         info += format(" (slope %.1f%%)", abs(track.get_slope()/ttype.get_total_length()*100));
 599                 if(track.get_turnout_id())
 600                         info += format(" (turnout %d)", track.get_turnout_id());
 601                 else if(track.get_sensor_id())
 602                         info += format(" (sensor %d)", track.get_sensor_id());
 603
 604                 return info;
 605         }
 606
 607         return string();
 608 }
 609
 610 void Designer::show_route(const Route *route)
 611 {
 612         const set<Track *> &ltracks = layout->get_tracks();
 613         for(set<Track *>::iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 614         {
 615                 Track3D &t3d = layout_3d->get_track(**i);
 616                 if(route && route->has_track(**i))
 617                 {
 618                         t3d.get_path().set_color(GL::Color(0.5, 0.8, 1.0));
 619                         if((*i)->get_type().is_turnout())
 620                         {
 621                                 unsigned tid = (*i)->get_turnout_id();
 622                                 int path = (tid ? route->get_turnout(tid) : -1);
 623                                 if(path>=0)
 624                                         t3d.get_path().set_path(path);
 625                                 else
 626                                         t3d.get_path().set_mask((*i)->get_type().get_paths());
 627                         }
 628                         else
 629                                 t3d.get_path().set_path(0);
 630                 }
 631                 else
 632                         t3d.get_path().set_mask(0);
 633         }
 634 }