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         camera_ctl(window, camera)
  52 {
  53         window.set_title("Railway Designer");
  54         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  55
  56         manipulator.signal_status.connect(sigc::mem_fun(this, &Designer::manipulation_status));
  57         manipulator.signal_done.connect(sigc::mem_fun(this, &Designer::manipulation_done));
  58         measure.signal_changed.connect(sigc::mem_fun(this, &Designer::measure_changed));
  59         measure.signal_done.connect(sigc::mem_fun(this, &Designer::measure_done));
  60
  61         // Setup catalogue and layout
  62         DataFile::load(catalogue, "tracks.dat");
  63
  64         cat_layout_3d = new Layout3D(catalogue.get_layout());
  65
  66         layout = new Layout(catalogue);
  67         layout_3d = new Layout3D(*layout);
  68
  69         if(argc>1)
  70         {
  71                 filename = argv[1];
  72                 DataFile::load(*layout, argv[1]);
  73
  74                 if(!layout->get_base().empty())
  75                 {
  76                         base_object = new GL::Object;
  77                         DataFile::load(*base_object, layout->get_base());
  78                 }
  79         }
  80
  81         // Setup OpenGL
  82         GL::enable(GL_CULL_FACE);
  83
  84         pipeline = new GL::Pipeline(window.get_width(), window.get_height(), false);
  85         pipeline->set_camera(&camera);
  86         pipeline->add_renderable_for_pass(layout_3d->get_scene(), 0);
  87         if(base_object)
  88                 pipeline->add_renderable_for_pass(*base_object, 0);
  89         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
  90         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
  91
  92         light.set_position(0, -0.259, 0.966, 0);
  93         lighting.attach(0, light);
  94
  95         GL::PipelinePass *pass = &pipeline->add_pass(0);
  96         pass->lighting = &lighting;
  97         pass->depth_test = &GL::DepthTest::lequal();
  98
  99         pass = &pipeline->add_pass("unlit");
 100         pass->depth_test = &GL::DepthTest::lequal();
 101         pass->blend = &GL::Blend::alpha();
 102
 103         camera.set_up_direction(GL::Vector3(0, 0, 1));
 104         view_all();
 105
 106         // Setup UI
 107         DataFile::load(ui_res, "marklin.res");
 108         root = new GLtk::Root(ui_res, window);
 109         root->signal_key_press.connect(sigc::mem_fun(this, &Designer::key_press));
 110         root->signal_button_press.connect(sigc::mem_fun(this, &Designer::button_press));
 111         root->signal_pointer_motion.connect(sigc::mem_fun(this, &Designer::pointer_motion));
 112         root->signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 113
 114         toolbar = new Toolbar(*this);
 115         root->add(*toolbar);
 116         toolbar->set_position(0, window.get_height()-toolbar->get_geometry().h);
 117         toolbar->set_focusable(false);
 118
 119         GLtk::Panel *statusbar = new GLtk::Panel(ui_res);
 120         root->add(*statusbar);
 121         statusbar->set_size(window.get_width(), 20);
 122         statusbar->set_focusable(false);
 123
 124         lbl_status = new GLtk::Label(ui_res);
 125         statusbar->add(*lbl_status);
 126         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 127
 128         overlay = new Overlay3D(window, camera, ui_res.get_default_font());
 129
 130         const list<Track3D *> &tracks = layout_3d->get_tracks();
 131         for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 132                 update_track_icon(**i);
 133
 134         edit_route(0);
 135 }
 136
 137 Designer::~Designer()
 138 {
 139         delete overlay;
 140         delete root;
 141         delete pipeline;
 142         delete base_object;
 143         delete layout_3d;
 144         delete layout;
 145         delete cat_layout_3d;
 146 }
 147
 148 int Designer::main()
 149 {
 150         window.show();
 151
 152         mode = SELECT;
 153
 154         return Application::main();
 155 }
 156
 157 void Designer::save()
 158 {
 159         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 160         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 161 }
 162
 163 void Designer::quit()
 164 {
 165         exit(0);
 166 }
 167
 168 void Designer::new_track()
 169 {
 170         mode = CATALOGUE;
 171 }
 172
 173 void Designer::set_turnout_id()
 174 {
 175         Track *track = selection.get_track();
 176         if(selection.size()==1 && track->get_type().is_turnout())
 177         {
 178                 InputDialog *input = new InputDialog(*this, "Turnout ID", lexical_cast(track->get_turnout_id()));
 179                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::turnout_id_accept));
 180         }
 181 }
 182
 183 void Designer::set_sensor_id()
 184 {
 185         const set<Track *> &tracks = selection.get_tracks();
 186         bool ok = false;
 187         int id = -1;
 188         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 189         {
 190                 if(!(*i)->get_type().is_turnout())
 191                         ok = true;
 192                 if(static_cast<int>((*i)->get_sensor_id())!=id)
 193                 {
 194                         if(id==-1)
 195                                 id = (*i)->get_sensor_id();
 196                         else
 197                                 id = -2;
 198                 }
 199         }
 200
 201         if(ok)
 202         {
 203                 InputDialog *input = new InputDialog(*this, "Sensor ID", (id>=0 ? lexical_cast(id) : string()));
 204                 input->signal_accept.connect(sigc::mem_fun(this, &Designer::sensor_id_accept));
 205         }
 206 }
 207
 208 void Designer::rename_route()
 209 {
 210         if(!cur_route)
 211                 return;
 212
 213         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 214         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 215 }
 216
 217 void Designer::edit_route(Route *r)
 218 {
 219         cur_route = r;
 220         show_route(r);
 221 }
 222
 223 void Designer::add_selection_to_route()
 224 {
 225         if(!cur_route)
 226                 return;
 227
 228         try
 229         {
 230                 cur_route->add_tracks(selection.get_tracks());
 231         }
 232         catch(const Exception &e)
 233         {
 234                 IO::print("%s\n", e.what());
 235         }
 236
 237         show_route(cur_route);
 238 }
 239
 240 Point Designer::map_pointer_coords(int x, int y)
 241 {
 242         float xf = x*2.0/window.get_width()-1.0;
 243         float yf = y*2.0/window.get_height()-1.0;
 244         GL::Vector4 vec = camera.unproject(GL::Vector4(xf, yf, 0, 0));
 245         const GL::Vector3 &pos = camera.get_position();
 246
 247         return Point(pos.x-vec.x*pos.z/vec.z, pos.y-vec.y*pos.z/vec.z);
 248 }
 249
 250 void Designer::tick()
 251 {
 252         const Msp::Time::TimeStamp t = Msp::Time::now();
 253         float dt = (t-last_tick)/Msp::Time::sec;
 254         last_tick = t;
 255
 256         window.get_display().tick();
 257         root->tick();
 258         camera_ctl.tick(dt);
 259
 260         render();
 261
 262         window.swap_buffers();
 263 }
 264
 265 void Designer::key_press(unsigned key, unsigned mod, wchar_t)
 266 {
 267         key = Input::key_from_sys(key);
 268         mod = Input::mod_from_sys(mod);
 269
 270         if(key==Msp::Input::KEY_N)
 271                 new_track();
 272         else if(key==Msp::Input::KEY_G)
 273         {
 274                 manipulator.start_move();
 275                 mode = MANIPULATE;
 276         }
 277         else if(key==Msp::Input::KEY_R)
 278         {
 279                 manipulator.start_rotate();
 280                 mode = MANIPULATE;
 281         }
 282         else if(key==Msp::Input::KEY_D)
 283         {
 284                 manipulator.duplicate();
 285                 manipulator.start_move();
 286                 mode = MANIPULATE;
 287         }
 288         else if(key==Msp::Input::KEY_W)
 289                 save();
 290         else if(key==Msp::Input::KEY_PLUS)
 291                 selection.select_more();
 292         else if(key==Msp::Input::KEY_L && (mod&Input::MOD_SHIFT))
 293         {
 294                 const set<Track *> &tracks = layout->get_tracks();
 295                 float len = 0;
 296                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 297                         len += (*i)->get_type().get_total_length();
 298                 IO::print("Total length: %.1fm\n", len);
 299         }
 300         else if(key==Msp::Input::KEY_L)
 301                 selection.select_linked();
 302         else if(key==Msp::Input::KEY_M)
 303         {
 304                 measure.start();
 305                 mode = MEASURE;
 306         }
 307         else if(key==Msp::Input::KEY_Z)
 308         {
 309                 manipulator.start_elevate();
 310                 mode = MANIPULATE;
 311         }
 312         else if(key==Msp::Input::KEY_ESC)
 313         {
 314                 if(mode==MANIPULATE)
 315                         manipulator.cancel();
 316                 else if(mode==CATALOGUE)
 317                         mode = SELECT;
 318                 else
 319                         selection.clear();
 320         }
 321         else if(key==Msp::Input::KEY_X)
 322         {
 323                 set<Track *> tracks = selection.get_tracks();
 324                 selection.clear();
 325                 for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 326                 {
 327                         overlay->clear(layout_3d->get_track(**i));
 328                         layout->remove_track(**i);
 329                         delete *i;
 330                 }
 331         }
 332         else if(key==Msp::Input::KEY_F && (mod&Input::MOD_SHIFT))
 333         {
 334                 const set<Track *> &tracks = selection.get_tracks();
 335                 const set<Track *> &ltracks = layout->get_tracks();
 336                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 337                 {
 338                         (*i)->set_flex(!(*i)->get_flex());
 339                         (*i)->break_links();
 340                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 341                                 if(*j!=*i)
 342                                         (*i)->snap_to(**j, true);
 343
 344                         update_track_icon(layout_3d->get_track(**i));
 345                 }
 346         }
 347         else if(key==Msp::Input::KEY_F)
 348                 manipulator.flatten();
 349         else if(key==Msp::Input::KEY_E && (mod&Input::MOD_SHIFT))
 350                 manipulator.even_slope(true);
 351         else if(key==Msp::Input::KEY_E)
 352                 manipulator.even_slope();
 353         else if(key==Msp::Input::KEY_T)
 354                 set_turnout_id();
 355         else if(key==Msp::Input::KEY_S)
 356                 set_sensor_id();
 357         else if(key==Msp::Input::KEY_A)
 358                 add_selection_to_route();
 359 }
 360
 361 void Designer::button_press(int x, int y, unsigned btn, unsigned mod)
 362 {
 363         y = window.get_height()-y-1;
 364         mod = Input::mod_from_sys(mod);
 365
 366         Point ground = map_pointer_coords(x, y);
 367
 368         if(mode==CATALOGUE)
 369         {
 370                 if(btn==1)
 371                 {
 372                         Track3D *ctrack = pick_track(x, y);
 373                         if(ctrack)
 374                         {
 375                                 Track *track = new Track(*layout, ctrack->get_track().get_type());
 376                                 track->set_position(ground);
 377
 378                                 selection.clear();
 379                                 selection.add_track(track);
 380
 381                                 mode = SELECT;
 382                         }
 383                 }
 384                 else
 385                         mode = SELECT;
 386         }
 387         else if(mode==SELECT)
 388         {
 389                 if(btn==1)
 390                 {
 391                         Track3D *track = pick_track(x, y);
 392                         if(track)
 393                         {
 394                                 if(!(mod&Input::MOD_SHIFT))
 395                                         selection.clear();
 396                                 selection.toggle_track(&track->get_track());
 397                         }
 398                 }
 399         }
 400         else if(mode==MANIPULATE)
 401                 manipulator.button_press(x, y, ground.x, ground.y, btn);
 402         else if(mode==MEASURE)
 403                 measure.button_press(x, y, ground.x, ground.y, btn);
 404 }
 405
 406 void Designer::pointer_motion(int x, int y)
 407 {
 408         y = window.get_height()-y-1;
 409
 410         if(!root->get_child_at(x, y))
 411         {
 412                 Point ground = map_pointer_coords(x, y);
 413                 manipulator.pointer_motion(x, y, ground.x, ground.y);
 414                 measure.pointer_motion(x, y, ground.x, ground.y);
 415         }
 416 }
 417
 418 void Designer::apply_camera()
 419 {
 420         if(mode==CATALOGUE)
 421         {
 422                 GL::matrix_mode(GL::PROJECTION);
 423                 GL::load_identity();
 424                 GL::frustum_centered(0.11046, 0.082843, 0.1, 10);
 425                 GL::matrix_mode(GL::MODELVIEW);
 426                 GL::load_identity();
 427                 GL::translate(0, 0, -1);
 428         }
 429         else
 430                 camera.apply();
 431 }
 432
 433 void Designer::render()
 434 {
 435         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 436
 437         if(mode==CATALOGUE)
 438         {
 439                 apply_camera();
 440                 cat_layout_3d->get_scene().render();
 441         }
 442         else
 443         {
 444                 pipeline->render_all();
 445                 GL::enable(GL_CULL_FACE);
 446                 {
 447                         GL::Bind bind_blend(GL::Blend::alpha());
 448                         overlay->render(0);
 449                 }
 450
 451                 GL::Bind bind_depth(GL::DepthTest::lequal());
 452                 manipulator.render();
 453                 if(mode==MEASURE)
 454                         measure.render();
 455         }
 456
 457         GL::matrix_mode(GL::PROJECTION);
 458         GL::load_identity();
 459         GL::ortho_bottomleft(window.get_width(), window.get_height());
 460         GL::matrix_mode(GL::MODELVIEW);
 461         GL::load_identity();
 462
 463         GL::disable(GL::DEPTH_TEST);
 464
 465         GL::Bind bind_blend(GL::Blend::alpha());
 466         root->render();
 467         GL::Texture::unbind();
 468 }
 469
 470 Track3D *Designer::pick_track(int x, int y)
 471 {
 472         Layout3D *l = layout_3d;
 473         if(mode==CATALOGUE)
 474                 l = cat_layout_3d;
 475
 476         float xx = ((float(x)-window.get_width()/2)/window.get_height())*0.82843;
 477         float yy = (float(y)/window.get_height()-0.5)*0.82843;
 478         float size = 4.0/window.get_height()*0.82843;
 479
 480         apply_camera();
 481
 482         return l->pick_track(xx, yy, size);
 483 }
 484
 485 void Designer::update_track_icon(Track3D &track)
 486 {
 487         overlay->clear(track);
 488
 489         if(track.get_track().get_flex())
 490                 overlay->add_graphic(track, "flex");
 491
 492         if(unsigned sid = track.get_track().get_sensor_id())
 493         {
 494                 overlay->add_graphic(track, "sensor");
 495                 overlay->set_label(track, lexical_cast(sid));
 496         }
 497         else if(unsigned tid = track.get_track().get_turnout_id())
 498         {
 499                 if(tid<0x800)
 500                 {
 501                         overlay->add_graphic(track, "turnout");
 502                         overlay->set_label(track, lexical_cast(tid));
 503                 }
 504         }
 505 }
 506
 507 void Designer::manipulation_status(const string &status)
 508 {
 509         lbl_status->set_text(status);
 510 }
 511
 512 void Designer::manipulation_done(bool)
 513 {
 514         lbl_status->set_text(string());
 515         mode = SELECT;
 516 }
 517
 518 void Designer::measure_changed()
 519 {
 520         float pard = measure.get_parallel_distance()*1000;
 521         float perpd = measure.get_perpendicular_distance()*1000;
 522         float d = sqrt(pard*pard+perpd*perpd);
 523         float adiff = measure.get_angle_difference()*180/M_PI;
 524         string info = format("Par %.1fmm - Perp %.1fmm - Total %.1fmm - Angle %.1f°", pard, perpd, d, adiff);
 525         lbl_status->set_text(info);
 526 }
 527
 528 void Designer::measure_done()
 529 {
 530         lbl_status->set_text(string());
 531         mode = SELECT;
 532 }
 533
 534 void Designer::turnout_id_accept(const string &text)
 535 {
 536         Track *track = selection.get_track();
 537         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 538         track->set_turnout_id(id);
 539
 540         update_track_icon(layout_3d->get_track(*track));
 541 }
 542
 543 void Designer::sensor_id_accept(const string &text)
 544 {
 545         const set<Track *> &tracks = selection.get_tracks();
 546         unsigned id = (text.empty() ? 0 : lexical_cast<unsigned>(text));
 547         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 548         {
 549                 (*i)->set_sensor_id(id);
 550
 551                 update_track_icon(layout_3d->get_track(**i));
 552         }
 553 }
 554
 555 void Designer::route_name_accept(const string &text)
 556 {
 557         if(cur_route)
 558                 cur_route->set_name(text);
 559 }
 560
 561 void Designer::view_all()
 562 {
 563         Point minp;
 564         Point maxp;
 565
 566         const list<Track3D *> &tracks = layout_3d->get_tracks();
 567         for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 568         {
 569                 Point tmin;
 570                 Point tmax;
 571                 (*i)->get_bounds(0, tmin, tmax);
 572                 minp.x = min(minp.x, tmin.x);
 573                 minp.y = min(minp.y, tmin.y);
 574                 maxp.x = max(maxp.x, tmax.x);
 575                 maxp.y = max(maxp.y, tmax.y);
 576         }
 577
 578         float t = tan(camera.get_field_of_view()/2)*2;
 579         float size = max((maxp.y-minp.y+0.1), (maxp.x-minp.x+0.1)/camera.get_aspect());
 580         float cam_dist = size/t+size*0.25;
 581         Point center((minp.x+maxp.x)/2, (minp.y+maxp.y)/2);
 582         camera.set_position(GL::Vector3(center.x, center.y-cam_dist*0.5, cam_dist*0.866));
 583         camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
 584 }
 585
 586 string Designer::tooltip(int x, int y)
 587 {
 588         if(Track3D *t3d = pick_track(x, y))
 589         {
 590                 const Track &track = t3d->get_track();
 591                 const TrackType &ttype = track.get_type();
 592                 string info = format("%d %s", ttype.get_article_number(), ttype.get_description());
 593                 if(mode!=CATALOGUE && abs(track.get_slope())>1e-4)
 594                         info += format(" (slope %.1f%%)", abs(track.get_slope()/ttype.get_total_length()*100));
 595                 if(track.get_turnout_id())
 596                         info += format(" (turnout %d)", track.get_turnout_id());
 597                 else if(track.get_sensor_id())
 598                         info += format(" (sensor %d)", track.get_sensor_id());
 599
 600                 return info;
 601         }
 602
 603         return string();
 604 }
 605
 606 void Designer::show_route(const Route *route)
 607 {
 608         const set<Track *> &ltracks = layout->get_tracks();
 609         for(set<Track *>::iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 610         {
 611                 Track3D &t3d = layout_3d->get_track(**i);
 612                 if(route && route->get_tracks().count(*i))
 613                 {
 614                         t3d.get_path().set_color(GL::Color(0.5, 0.8, 1.0));
 615                         if((*i)->get_type().is_turnout())
 616                         {
 617                                 unsigned tid = (*i)->get_turnout_id();
 618                                 int path = (tid ? route->get_turnout(tid) : -1);
 619                                 if(path>=0)
 620                                         t3d.get_path().set_path(path);
 621                                 else
 622                                         t3d.get_path().set_mask((*i)->get_type().get_paths());
 623                         }
 624                         else
 625                                 t3d.get_path().set_path(0);
 626                 }
 627                 else
 628                         t3d.get_path().set_mask(0);
 629         }
 630 }