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         ui_res("marklin.res"),
  48         root(ui_res, window),
  49         base_object(0),
  50         cur_route(0),
  51         mode(SELECT),
  52         manipulator(*this, selection),
  53         measure(*this),
  54         camera_ctl(*this, root, camera),
  55         track_wrap(*this, selection)
  56 {
  57         window.set_title("Railway Designer");
  58         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  59
  60         selection.signal_changed.connect(sigc::mem_fun(this, &Designer::selection_changed));
  61         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  62         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  63         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  64         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  65
  66         // Setup catalogue and layout
  67         DataFile::load(catalogue, "tracks.dat");
  68
  69         cat_layout_3d = new Layout3D(catalogue.get_layout());
  70
  71         layout = new Layout(catalogue);
  72         layout_3d = new Layout3D(*layout);
  73
  74         layout->signal_track_added.connect(sigc::mem_fun(this, &Designer::track_added));
  75         layout->signal_track_removed.connect(sigc::mem_fun(this, &Designer::track_removed));
  76
  77         if(argc>1)
  78         {
  79                 filename = argv[1];
  80                 DataFile::load(*layout, argv[1]);
  81
  82                 if(!layout->get_base().empty())
  83                 {
  84                         base_object = new GL::Object;
  85                         DataFile::load(*base_object, layout->get_base());
  86                 }
  87         }
  88
  89         // Setup OpenGL
  90         GL::enable(GL_CULL_FACE);
  91
  92         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  93         pipeline->set_camera(&camera);
  94         pipeline->add_renderable_for_pass(layout_3d->get_scene(), 0);
  95         if(base_object)
  96                 pipeline->add_renderable(*base_object);
  97         pipeline->add_renderable_for_pass(track_wrap, "unlit");
  98         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
  99         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
 100
 101         light.set_position(0, -0.259, 0.966, 0);
 102         lighting.attach(0, light);
 103
 104         GL::PipelinePass *pass = &pipeline->add_pass(0);
 105         pass->lighting = &lighting;
 106         pass->depth_test = &GL::DepthTest::lequal();
 107
 108         pass = &pipeline->add_pass("unlit");
 109         pass->depth_test = &GL::DepthTest::lequal();
 110         pass->blend = &GL::Blend::alpha();
 111
 112         pass = &pipeline->add_pass("blended");
 113         pass->lighting = &lighting;
 114         pass->depth_test = &GL::DepthTest::lequal();
 115         pass->blend = &GL::Blend::alpha();
 116
 117         camera.set_up_direction(GL::Vector3(0, 0, 1));
 118         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 119
 120         // Setup UI
 121         root.signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 122         root.signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 123         root.signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 124         root.signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 125
 126         toolbar = new Toolbar(*this);
 127         root.add(*toolbar);
 128         toolbar->set_position(0, window.get_height()-toolbar->get_geometry().h);
 129         toolbar->set_focusable(false);
 130
 131         GLtk::Panel *statusbar = new GLtk::Panel(ui_res);
 132         root.add(*statusbar);
 133         statusbar->set_size(window.get_width(), 20);
 134         statusbar->set_focusable(false);
 135
 136         lbl_status = new GLtk::Label(ui_res);
 137         statusbar->add(*lbl_status);
 138         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 139
 140         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 141
 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 overlay;
 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.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 && (mod&Input::MOD_SHIFT))
 286         {
 287                 manipulator.start_extend();
 288                 mode = MANIPULATE;
 289         }
 290         else if(key==Msp::Input::KEY_N)
 291                 new_track();
 292         else if(key==Msp::Input::KEY_G)
 293         {
 294                 manipulator.start_move();
 295                 mode = MANIPULATE;
 296         }
 297         else if(key==Msp::Input::KEY_R)
 298         {
 299                 manipulator.start_rotate();
 300                 mode = MANIPULATE;
 301         }
 302         else if(key==Msp::Input::KEY_D)
 303         {
 304                 manipulator.duplicate();
 305                 manipulator.start_move();
 306                 mode = MANIPULATE;
 307         }
 308         else if(key==Msp::Input::KEY_W)
 309                 save();
 310         else if(key==Msp::Input::KEY_PLUS)
 311                 selection.select_more();
 312         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 313                 selection.select_blocks();
 314         else if(key==Msp::Input::KEY_L)
 315                 selection.select_linked();
 316         else if(key==Msp::Input::KEY_M)
 317         {
 318                 measure.start();
 319                 mode = MEASURE;
 320         }
 321         else if(key==Msp::Input::KEY_Z)
 322         {
 323                 manipulator.start_elevate();
 324                 mode = MANIPULATE;
 325         }
 326         else if(key==Msp::Input::KEY_ESC)
 327         {
 328                 if(mode==MANIPULATE)
 329                         manipulator.cancel();
 330                 else if(mode==CATALOGUE)
 331                         mode = SELECT;
 332                 else
 333                         selection.clear();
 334         }
 335         else if(key==Msp::Input::KEY_X)
 336         {
 337                 set<Track *> tracks = selection.get_tracks();
 338                 selection.clear();
 339                 for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 340                 {
 341                         overlay->clear(layout_3d->get_track(**i));
 342                         layout->remove_track(**i);
 343                         delete *i;
 344                 }
 345         }
 346         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 347         {
 348                 const set<Track *> &tracks = selection.get_tracks();
 349                 const set<Track *> &ltracks = layout->get_tracks();
 350                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 351                 {
 352                         (*i)->set_flex(!(*i)->get_flex());
 353                         (*i)->break_links();
 354                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 355                                 if(*j!=*i)
 356                                         (*i)->snap_to(**j, true);
 357
 358                         update_track_icon(layout_3d->get_track(**i));
 359                 }
 360         }
 361         else if(key==Msp::Input::KEY_F)
 362                 manipulator.flatten();
 363         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 364                 manipulator.even_slope(true);
 365         else if(key==Msp::Input::KEY_E)
 366                 manipulator.even_slope();
 367         else if(key==Msp::Input::KEY_T)
 368                 set_turnout_id();
 369         else if(key==Msp::Input::KEY_S)
 370                 set_sensor_id();
 371         else if(key==Msp::Input::KEY_A)
 372                 add_selection_to_route();
 373         else if(key==Msp::Input::KEY_C)
 374                 manipulator.connect();
 375 }
 376
 377 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 378 {
 379         y = window.get_height()-y-1;
 380         mod = Input::mod_from_sys(mod);
 381
 382         Point ground = map_pointer_coords(x, y);
 383
 384         if(mode==CATALOGUE)
 385         {
 386                 if(btn==1)
 387                 {
 388                         Track3D *ctrack = pick_track(x, y);
 389                         if(ctrack)
 390                         {
 391                                 Track *track = new Track(*layout, ctrack->get_track().get_type());
 392                                 track->set_position(ground);
 393
 394                                 selection.clear();
 395                                 selection.add_track(track);
 396
 397                                 mode = SELECT;
 398                         }
 399                 }
 400                 else
 401                         mode = SELECT;
 402         }
 403         else if(mode==SELECT)
 404         {
 405                 if(btn==1)
 406                 {
 407                         Track3D *track = pick_track(x, y);
 408                         if(track)
 409                         {
 410                                 if(!(mod&Input::MOD_SHIFT))
 411                                         selection.clear();
 412                                 selection.toggle_track(&track->get_track());
 413                         }
 414                 }
 415         }
 416         else if(mode==MANIPULATE)
 417                 manipulator.button_press(x, y, ground.x, ground.y, btn);
 418         else if(mode==MEASURE)
 419                 measure.button_press(x, y, ground.x, ground.y, btn);
 420 }
 421
 422 void Designer::pointer_motion(int x, int y)
 423 {
 424         y = window.get_height()-y-1;
 425
 426         if(!root.get_child_at(x, y))
 427         {
 428                 Point ground = map_pointer_coords(x, y);
 429                 manipulator.pointer_motion(x, y, ground.x, ground.y);
 430                 measure.pointer_motion(x, y, ground.x, ground.y);
 431         }
 432 }
 433
 434 void Designer::apply_camera()
 435 {
 436         if(mode==CATALOGUE)
 437         {
 438                 GL::matrix_mode(GL::PROJECTION);
 439                 GL::load_identity();
 440                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 441                 GL::matrix_mode(GL::MODELVIEW);
 442                 GL::load_identity();
 443                 GL::translate(0, 0, -1);
 444         }
 445         else
 446                 camera.apply();
 447 }
 448
 449 void Designer::render()
 450 {
 451         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 452
 453         if(mode==CATALOGUE)
 454         {
 455                 apply_camera();
 456                 cat_layout_3d->get_scene().render();
 457         }
 458         else
 459         {
 460                 pipeline->render_all();
 461                 GL::enable(GL_CULL_FACE);
 462                 {
 463                         GL::Bind bind_blend(GL::Blend::alpha());
 464                         overlay->render(0);
 465                 }
 466
 467                 GL::Bind bind_depth(GL::DepthTest::lequal());
 468                 if(mode==MEASURE)
 469                         measure.render();
 470         }
 471
 472         GL::matrix_mode(GL::PROJECTION);
 473         GL::load_identity();
 474         GL::ortho_bottomleft(window.get_width(), window.get_height());
 475         GL::matrix_mode(GL::MODELVIEW);
 476         GL::load_identity();
 477
 478         GL::disable(GL::DEPTH_TEST);
 479
 480         GL::Bind bind_blend(GL::Blend::alpha());
 481         root.render();
 482         GL::Texture::unbind();
 483 }
 484
 485 void Designer::track_added(Track &trk)
 486 {
 487         new_tracks.push_back(&trk);
 488 }
 489
 490 void Designer::track_removed(Track &trk)
 491 {
 492         list<Track *>::iterator i = find(new_tracks.begin(), new_tracks.end(), &trk);
 493         if(i!=new_tracks.end())
 494                 new_tracks.erase(i);
 495 }
 496
 497 Track3D *Designer::pick_track(int x, int y)
 498 {
 499         Layout3D *l = layout_3d;
 500         if(mode==CATALOGUE)
 501                 l = cat_layout_3d;
 502
 503         float xx = ((float(x)-window.get_width()/2)/window.get_height())*0.82843;
 504         float yy = (float(y)/window.get_height()-0.5)*0.82843;
 505         float size = 4.0/window.get_height()*0.82843;
 506
 507         apply_camera();
 508
 509         return l->pick_track(xx, yy, size);
 510 }
 511
 512 void Designer::update_track_icon(Track3D &track)
 513 {
 514         overlay->clear(track);
 515
 516         if(track.get_track().get_flex())
 517                 overlay->add_graphic(track, "flex");
 518
 519         if(unsigned sid = track.get_track().get_sensor_id())
 520         {
 521                 overlay->add_graphic(track, "sensor");
 522                 overlay->set_label(track, lexical_cast(sid));
 523         }
 524         else if(unsigned tid = track.get_track().get_turnout_id())
 525         {
 526                 if(tid<0x800)
 527                 {
 528                         overlay->add_graphic(track, "turnout");
 529                         overlay->set_label(track, lexical_cast(tid));
 530                 }
 531         }
 532 }
 533
 534 void Designer::selection_changed()
 535 {
 536         const set<Track *> &tracks = selection.get_tracks();
 537         if(tracks.empty())
 538                 lbl_status->set_text(string());
 539         else
 540         {
 541                 float len = 0;
 542                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 543                         len += (*i)->get_type().get_total_length();
 544                 lbl_status->set_text(format("%.2fm of track selected\n", len));
 545         }
 546 }
 547
 548 void Designer::manipulation_status(const string &status)
 549 {
 550         lbl_status->set_text(status);
 551 }
 552
 553 void Designer::manipulation_done(bool)
 554 {
 555         mode = SELECT;
 556         selection_changed();
 557 }
 558
 559 void Designer::measure_changed()
 560 {
 561         float pard = measure.get_parallel_distance()*1000;
 562         float perpd = measure.get_perpendicular_distance()*1000;
 563         float d = sqrt(pard*pard+perpd*perpd);
 564         float adiff = measure.get_angle_difference()*180/M_PI;
 565         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff);
 566         lbl_status->set_text(info);
 567 }
 568
 569 void Designer::measure_done()
 570 {
 571         mode = SELECT;
 572         selection_changed();
 573 }
 574
 575 void Designer::turnout_id_accept(const string &text)
 576 {
 577         Track *track = selection.get_track();
 578         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 579         track->set_turnout_id(id);
 580
 581         update_track_icon(layout_3d->get_track(*track));
 582 }
 583
 584 void Designer::sensor_id_accept(const string &text)
 585 {
 586         const set<Track *> &tracks = selection.get_tracks();
 587         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 588         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 589         {
 590                 (*i)->set_sensor_id(id);
 591
 592                 update_track_icon(layout_3d->get_track(**i));
 593         }
 594 }
 595
 596 void Designer::route_name_accept(const string &text)
 597 {
 598         if(cur_route)
 599                 cur_route->set_name(text);
 600 }
 601
 602 string Designer::tooltip(int x, int y)
 603 {
 604         if(Track3D *t3d = pick_track(x, y))
 605         {
 606                 const Track &track = t3d->get_track();
 607                 const TrackType &ttype = track.get_type();
 608                 string info = format("%d %s", ttype.get_article_number(), ttype.get_description());
 609                 if(mode!=CATALOGUE && abs(track.get_slope())>1e-4)
 610                         info += format(" (slope %.1f%%)", abs(track.get_slope()/ttype.get_total_length()*100));
 611                 if(track.get_turnout_id())
 612                         info += format(" (turnout %d)", track.get_turnout_id());
 613                 else if(track.get_sensor_id())
 614                         info += format(" (sensor %d)", track.get_sensor_id());
 615
 616                 return info;
 617         }
 618
 619         return string();
 620 }
 621
 622 void Designer::show_route(const Route *route)
 623 {
 624         const set<Track *> &ltracks = layout->get_tracks();
 625         for(set<Track *>::iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 626         {
 627                 Track3D &t3d = layout_3d->get_track(**i);
 628                 if(route && route->has_track(**i))
 629                 {
 630                         t3d.get_path().set_color(GL::Color(0.5, 0.8, 1.0));
 631                         if((*i)->get_type().is_turnout())
 632                         {
 633                                 unsigned tid = (*i)->get_turnout_id();
 634                                 int path = (tid ? route->get_turnout(tid) : -1);
 635                                 if(path>=0)
 636                                         t3d.get_path().set_path(path);
 637                                 else
 638                                         t3d.get_path().set_mask((*i)->get_type().get_paths());
 639                         }
 640                         else
 641                                 t3d.get_path().set_path(0);
 642                 }
 643                 else
 644                         t3d.get_path().set_mask(0);
 645         }
 646 }