source/designer/designer.cpp

   1 #include <signal.h>
   2 #include <algorithm>
   3 #include <cmath>
   4 #include <msp/fs/utils.h>
   5 #include <msp/gl/blend.h>
   6 #include <msp/gl/framebuffer.h>
   7 #include <msp/gl/matrix.h>
   8 #include <msp/gl/misc.h>
   9 #include <msp/gl/tests.h>
  10 #include <msp/gl/texture2d.h>
  11 #include <msp/input/keys.h>
  12 #include <msp/io/print.h>
  13 #include <msp/stringcodec/codec.h>
  14 #include <msp/stringcodec/utf8.h>
  15 #include <msp/strings/lexicalcast.h>
  16 #include <msp/strings/utils.h>
  17 #include <msp/time/units.h>
  18 #include <msp/time/utils.h>
  19 #include "libr2c2/route.h"
  20 #include "libr2c2/terrain.h"
  21 #include "libr2c2/tracktype.h"
  22 #include "libr2c2/zone.h"
  23 #include "3d/path.h"
  24 #include "designer.h"
  25 #include "elevatetool.h"
  26 #include "extendtool.h"
  27 #include "input.h"
  28 #include "layoutbar.h"
  29 #include "manipulator.h"
  30 #include "measure.h"
  31 #include "movetool.h"
  32 #include "objectproperties.h"
  33 #include "objectselecttool.h"
  34 #include "rotatetool.h"
  35 #include "routebar.h"
  36 #include "selection.h"
  37 #include "slopetool.h"
  38 #include "svgexporter.h"
  39 #include "terraintool.h"
  40 #include "trackbar.h"
  41 #include "zonebar.h"
  42 #include "zoneproperties.h"
  43
  44 using namespace std;
  45 using namespace R2C2;
  46 using namespace Msp;
  47
  48 Designer::Designer(int argc, char **argv):
  49         window(1280, 960),
  50         keyboard(window),
  51         mouse(window),
  52         ui_res("data/r2c2.res"),
  53         root(ui_res, &window, &keyboard, &mouse),
  54         base_object(0),
  55         cur_route(0),
  56         cur_zone(0),
  57         mode(TOOL),
  58         sel_wrap(selection),
  59         cur_tool(0),
  60         keep_status(0)
  61 {
  62         window.set_title("Railway Designer");
  63         window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Designer::exit), 0));
  64
  65         // Setup catalogue and layout
  66         catalogue.add_source("data/Märklin/H0");
  67
  68         cat_layout_3d = new Layout3D(catalogue.get_layout());
  69
  70         layout = new Layout(catalogue);
  71         layout->get_clock().set_current_time(12*Time::hour);
  72         layout_3d = new Layout3D(*layout);
  73         layout_3d->tick();
  74
  75         if(argc>1)
  76         {
  77                 filename = argv[1];
  78                 DataFile::load(*layout, argv[1]);
  79
  80                 if(!layout->get_base().empty())
  81                 {
  82                         base_object = new GL::Object;
  83                         DataFile::load(*base_object, layout->get_base());
  84                 }
  85         }
  86
  87         // Setup OpenGL
  88         cat_view = new View3D(*cat_layout_3d, window.get_width(), window.get_height());
  89
  90         main_view = new View3D(*layout_3d, window.get_width(), window.get_height());
  91         GL::Pipeline *pipeline = &main_view->get_pipeline();
  92
  93         GL::Pipeline::Pass *pass = &pipeline->add_pass("unlit");
  94         pass->set_depth_test(&GL::DepthTest::lequal());
  95         pass->set_blend(&GL::Blend::alpha());
  96
  97         pass = &pipeline->add_pass("blended");
  98         pass->set_lighting(&layout_3d->get_lighting());
  99         pass->set_depth_test(&GL::DepthTest::lequal());
 100         pass->set_blend(&GL::Blend::alpha());
 101
 102         pass = &pipeline->add_pass("overlay");
 103         pass->set_blend(&GL::Blend::alpha());
 104
 105         if(base_object)
 106                 pipeline->add_renderable(*base_object);
 107         pipeline->add_renderable_for_pass(layout_3d->get_path_scene(), "unlit");
 108         pipeline->add_renderable_for_pass(layout_3d->get_endpoint_scene(), "unlit");
 109
 110         // Setup UI
 111         keyboard.signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Designer::key_press), false));
 112         mouse.signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Designer::button_press), false));
 113         root.signal_tooltip.connect(sigc::mem_fun(this, &Designer::tooltip));
 114         root_layout = new GLtk::Layout;
 115         root_layout->set_margin(0);
 116         root.set_layout(root_layout);
 117
 118         toolbars.push_back(new Layoutbar(*this));
 119         toolbars.push_back(new Trackbar(*this));
 120         toolbars.push_back(new Routebar(*this));
 121         toolbars.push_back(new Zonebar(*this));
 122         Toolbar *prev = 0;
 123         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 124         {
 125                 root.add(**i);
 126                 if(i!=toolbars.begin())
 127                         (*i)->expand(false);
 128                 (*i)->signal_expanded.connect(sigc::hide(sigc::mem_fun(root_layout, &GLtk::Layout::update)));
 129                 if(prev)
 130                 {
 131                         root_layout->add_constraint(**i, GLtk::Layout::RIGHT_OF, *prev, 0);
 132                         root_layout->add_constraint(**i, GLtk::Layout::COPY_HEIGHT, *prev);
 133                 }
 134                 prev = *i;
 135         }
 136
 137         GLtk::Panel *statusbar = new GLtk::Panel;
 138         root.add(*statusbar);
 139         statusbar->set_focusable(false);
 140         root_layout->set_gravity(*statusbar, -1, -1);
 141         root_layout->set_expand(*statusbar, true, false);
 142
 143         lbl_status = new GLtk::Label;
 144         statusbar->add(*lbl_status);
 145         lbl_status->set_geometry(GLtk::Geometry(20, 2, 300, 16));
 146
 147         pipeline->add_renderable_for_pass(sel_wrap, "unlit");
 148         overlay = new Overlay3D(ui_res.get_default_font());
 149         pipeline->add_renderable_for_pass(*overlay, "overlay");
 150
 151         camera_ctl = new CameraController(*main_view, keyboard, mouse);
 152         cat_view->get_camera().set_look_direction(GL::Vector3(0, 0.13053, -0.99144));
 153         cat_view->view_all(true);
 154         main_view->view_all();
 155
 156         const set<Object *> &objects = layout->get_all<Object>();
 157         for(set<Object *>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
 158                 update_object_icon(**i);
 159 }
 160
 161 Designer::~Designer()
 162 {
 163         for(vector<Toolbar *>::iterator i=toolbars.begin(); i!=toolbars.end(); ++i)
 164                 delete *i;
 165         delete camera_ctl;
 166         delete overlay;
 167         delete main_view;
 168         delete base_object;
 169         delete layout_3d;
 170         delete layout;
 171         delete cat_view;
 172         delete cat_layout_3d;
 173 }
 174
 175 int Designer::main()
 176 {
 177         window.show();
 178
 179         use_select_tool();
 180
 181         return Application::main();
 182 }
 183
 184 void Designer::save()
 185 {
 186         InputDialog *input = new InputDialog(*this, "Save layout", filename);
 187         input->signal_accept.connect(sigc::mem_fun(layout, &Layout::save));
 188         root.add(*input);
 189         root_layout->set_gravity(*input, 0, 0);
 190 }
 191
 192 void Designer::quit()
 193 {
 194         exit(0);
 195 }
 196
 197 void Designer::new_object()
 198 {
 199         use_select_tool();
 200
 201         mode = CATALOGUE;
 202         lbl_status->set_text("Select new object or press Esc to cancel");
 203 }
 204
 205 void Designer::erase_objects()
 206 {
 207         use_select_tool();
 208
 209         set<Object *> objects = selection.get_objects();
 210         selection.clear();
 211         for(set<Object *>::iterator i=objects.begin(); i!=objects.end(); ++i)
 212         {
 213                 overlay->clear(layout_3d->get_3d(**i));
 214                 delete *i;
 215         }
 216 }
 217
 218 void Designer::object_properties()
 219 {
 220         use_select_tool();
 221         if(selection.empty())
 222                 return;
 223
 224         ObjectProperties *dlg = new ObjectProperties(selection);
 225         root.add(*dlg);
 226         root_layout->set_gravity(*dlg, 0, 0);
 227
 228         dlg->signal_response.connect(sigc::mem_fun(this, &Designer::object_properties_response));
 229 }
 230
 231 void Designer::extend_track()
 232 {
 233         use_tool_with_selected_objects<ExtendTool>();
 234 }
 235
 236 void Designer::connect_tracks()
 237 {
 238         use_tool_with_selected_objects<ExtendTool>()->connect();
 239 }
 240
 241 void Designer::flatten_tracks()
 242 {
 243         use_tool_with_selected_objects<SlopeTool>()->flatten();
 244 }
 245
 246 void Designer::svg_export()
 247 {
 248         InputDialog *input = new InputDialog(*this, "SVG export", FS::basepart(filename)+".svg");
 249         input->signal_accept.connect(sigc::mem_fun(this, &Designer::svg_export_accept));
 250         root.add(*input);
 251         root_layout->set_gravity(*input, 0, 0);
 252 }
 253
 254 void Designer::edit_route(Route *r)
 255 {
 256         cur_route = r;
 257         cur_zone = 0;
 258         if(cur_route)
 259                 show_route(*cur_route);
 260         else
 261                 clear_paths();
 262 }
 263
 264 void Designer::rename_route()
 265 {
 266         use_select_tool();
 267         if(!cur_route)
 268                 return;
 269
 270         InputDialog *input = new InputDialog(*this, "Route name", cur_route->get_name());
 271         input->signal_accept.connect(sigc::mem_fun(this, &Designer::route_name_accept));
 272         root.add(*input);
 273         root_layout->set_gravity(*input, 0, 0);
 274 }
 275
 276 void Designer::add_selection_to_route()
 277 {
 278         if(!cur_route)
 279                 return;
 280
 281         try
 282         {
 283                 cur_route->add_tracks(selection.get_objects<Track>());
 284         }
 285         catch(const exception &e)
 286         {
 287                 lbl_status->set_text(e.what());
 288         }
 289
 290         show_route(*cur_route);
 291 }
 292
 293 void Designer::edit_zone(Zone *z)
 294 {
 295         cur_zone = z;
 296         cur_route = 0;
 297         if(cur_zone)
 298                 show_zone(*cur_zone);
 299         else
 300                 clear_paths();
 301 }
 302
 303 void Designer::zone_properties()
 304 {
 305         if(!cur_zone)
 306                 return;
 307
 308         ZoneProperties *zone_prop = new ZoneProperties(*cur_zone);
 309         root.add(*zone_prop);
 310         const GLtk::Geometry &root_geom = root.get_geometry();
 311         const GLtk::Geometry &dlg_geom = zone_prop->get_geometry();
 312         zone_prop->set_position((root_geom.w-dlg_geom.w)/2, (root_geom.h-dlg_geom.h)/2);
 313 }
 314
 315 void Designer::add_selection_to_zone()
 316 {
 317         if(!cur_zone)
 318                 return;
 319
 320         try
 321         {
 322                 cur_zone->add_tracks(selection.get_objects<Track>());
 323         }
 324         catch(const exception &e)
 325         {
 326                 lbl_status->set_text(e.what());
 327         }
 328
 329         show_zone(*cur_zone);
 330 }
 331
 332 Vector Designer::map_pointer_to_ground(const Vector &p)
 333 {
 334         GL::Vector4 vec = main_view->get_camera().unproject(GL::Vector4(p.x, p.y, 0, 0));
 335         const GL::Vector3 &pos = main_view->get_camera().get_position();
 336
 337         return pos-GL::Vector3(vec.x, vec.y, vec.z)*(pos.z/vec.z);
 338 }
 339
 340 void Designer::tick()
 341 {
 342         const Msp::Time::TimeStamp t = Msp::Time::now();
 343         float dt = (t-last_tick)/Msp::Time::sec;
 344         last_tick = t;
 345
 346         if(cur_tool && cur_tool->is_done())
 347         {
 348                 cur_tool->update_selection(selection);
 349                 use_select_tool();
 350         }
 351         keep_status = 0;
 352
 353         window.tick();
 354         root.tick();
 355         camera_ctl->tick(dt);
 356
 357         render();
 358
 359         window.swap_buffers();
 360 }
 361
 362 void Designer::key_press(unsigned key)
 363 {
 364         bool shift = keyboard.get_button_state(Input::KEY_SHIFT_L) || keyboard.get_button_state(Input::KEY_SHIFT_R);
 365
 366         if(key==Msp::Input::KEY_N && shift)
 367                 use_tool_with_selected_objects<ExtendTool>();
 368         else if(key==Msp::Input::KEY_N)
 369                 new_object();
 370         else if(key==Msp::Input::KEY_G)
 371                 use_tool_with_selected_objects<MoveTool>();
 372         else if(key==Msp::Input::KEY_R)
 373                 use_tool_with_selected_objects<RotateTool>();
 374         else if(key==Msp::Input::KEY_D)
 375         {
 376                 const set<Object *> &sel_objs = selection.get_objects();
 377                 list<Object *> new_objs;
 378                 for(set<Object *>::iterator i=sel_objs.begin(); i!=sel_objs.end(); ++i)
 379                 {
 380                         Object *obj = (*i)->clone(layout);
 381                         for(list<Object *>::iterator j=new_objs.begin(); j!=new_objs.end(); ++j)
 382                                 obj->link_to(**j);
 383                         new_objs.push_back(obj);
 384                 }
 385
 386                 selection.replace(new_objs.begin(), new_objs.end());
 387
 388                 use_tool_with_selected_objects<MoveTool>();
 389         }
 390         else if(key==Msp::Input::KEY_W)
 391                 save();
 392         else if(key==Msp::Input::KEY_M)
 393                 use_tool<Measure>();
 394         else if(key==Msp::Input::KEY_Z)
 395                 use_tool_with_selected_objects<ElevateTool>();
 396         else if(key==Msp::Input::KEY_ESC)
 397         {
 398                 if(mode==CATALOGUE)
 399                         use_select_tool();
 400         }
 401         else if(key==Msp::Input::KEY_X)
 402                 erase_objects();
 403         else if(key==Msp::Input::KEY_F && shift)
 404         {
 405                 const set<Track *> &tracks = selection.get_objects<Track>();
 406                 const set<Track *> &ltracks = layout->get_all<Track>();
 407                 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 408                 {
 409                         (*i)->set_flex(!(*i)->get_flex());
 410                         (*i)->break_links();
 411                         for(set<Track *>::const_iterator j=ltracks.begin(); j!=ltracks.end(); ++j)
 412                                 if(*j!=*i)
 413                                         (*i)->snap_to(**j, true);
 414
 415                         update_object_icon(**i);
 416                 }
 417         }
 418         else if(key==Msp::Input::KEY_F)
 419                 use_tool_with_selected_objects<SlopeTool>()->flatten();
 420         else if(key==Msp::Input::KEY_E && shift)
 421                 use_tool_with_selected_objects<SlopeTool>()->even_slope(true);
 422         else if(key==Msp::Input::KEY_E)
 423                 use_tool_with_selected_objects<SlopeTool>()->even_slope();
 424         else if(key==Msp::Input::KEY_A)
 425         {
 426                 if(cur_route)
 427                         add_selection_to_route();
 428                 else if(cur_zone)
 429                         add_selection_to_zone();
 430         }
 431         else if(key==Msp::Input::KEY_C)
 432                 use_tool_with_selected_objects<ExtendTool>()->connect();
 433         else if(key==Msp::Input::KEY_V)
 434                 svg_export();
 435         else if(key==Msp::Input::KEY_P)
 436                 object_properties();
 437         else if(key==Msp::Input::KEY_TAB)
 438         {
 439                 Object *obj = selection.get_object();
 440                 if(Terrain *terrain = dynamic_cast<Terrain *>(obj))
 441                         use_tool(new TerrainTool(*this, keyboard, mouse, *terrain));
 442         }
 443 }
 444
 445 template<typename T>
 446 T *Designer::use_tool_with_selected_objects()
 447 {
 448         T *tool = new T(*this, keyboard, mouse, selection.get_objects());
 449         use_tool(tool);
 450         return tool;
 451 }
 452
 453 template<typename T>
 454 T *Designer::use_tool()
 455 {
 456         T *tool = new T(*this, keyboard, mouse);
 457         use_tool(tool);
 458         return tool;
 459 }
 460
 461 void Designer::use_tool(Tool *tool)
 462 {
 463         if(cur_tool)
 464         {
 465                 delete cur_tool;
 466                 cur_tool = 0;
 467         }
 468
 469         cur_tool = tool;
 470         cur_tool->signal_status.connect(sigc::mem_fun(this, &Designer::tool_status));
 471         if(keep_status<2)
 472                 tool_status(tool->get_status());
 473         mode = TOOL;
 474         keep_status = 1;
 475 }
 476
 477 void Designer::use_select_tool()
 478 {
 479         use_tool(new ObjectSelectTool(*this, keyboard, mouse, selection));
 480 }
 481
 482 void Designer::button_press(unsigned btn)
 483 {
 484         Vector pointer(mouse.get_axis_value(0), mouse.get_axis_value(1), 0);
 485         Vector ground = map_pointer_to_ground(pointer);
 486
 487         if(mode==CATALOGUE)
 488         {
 489                 Object *obj = 0;
 490                 if(btn==1)
 491                         obj = pick_object(pointer);
 492
 493                 if(obj)
 494                 {
 495                         obj = obj->clone(layout);
 496                         obj->set_position(ground);
 497
 498                         selection.clear();
 499                         selection.add_object(obj);
 500                 }
 501
 502                 if(obj || btn==3)
 503                         use_select_tool();
 504         }
 505 }
 506
 507 void Designer::render()
 508 {
 509         GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 510
 511         View3D *view = (mode==CATALOGUE ? cat_view : main_view);
 512         view->render();
 513
 514         root.render();
 515 }
 516
 517 Object *Designer::pick_object(const Vector &pointer)
 518 {
 519         View3D &view = *(mode==CATALOGUE ? cat_view : main_view);
 520         const GL::Vector3 &cpos = view.get_camera().get_position();
 521         GL::Vector4 cray = view.get_camera().unproject(GL::Vector4(pointer.x, pointer.y, 0, 0));
 522
 523         return view.get_layout().get_layout().pick<Object>(Ray(cpos, cray.slice<3>(0)));
 524 }
 525
 526 void Designer::update_object_icon(Object &obj)
 527 {
 528         Object3D &obj3d = layout_3d->get_3d(obj);
 529         overlay->clear(obj3d);
 530
 531         if(Track *track = dynamic_cast<Track *>(&obj))
 532         {
 533                 if(track->get_flex())
 534                         overlay->add_graphic(obj3d, "flex");
 535
 536                 if(unsigned saddr = track->get_sensor_address())
 537                 {
 538                         overlay->add_graphic(obj3d, "trackcircuit");
 539                         overlay->set_label(obj3d, lexical_cast<string>(saddr));
 540                 }
 541                 else if(track->get_type().is_turnout())
 542                 {
 543                         unsigned taddr = track->get_turnout_address();
 544                         if(taddr<0x800)
 545                         {
 546                                 overlay->add_graphic(obj3d, "turnout");
 547                                 overlay->set_label(obj3d, lexical_cast<string>(taddr));
 548                         }
 549                 }
 550         }
 551         else if(Signal *signal = dynamic_cast<Signal *>(&obj))
 552         {
 553                 overlay->add_graphic(obj3d, "signal");
 554                 overlay->set_label(obj3d, lexical_cast<string>(signal->get_address()));
 555         }
 556         else if(BeamGate *gate = dynamic_cast<BeamGate *>(&obj))
 557         {
 558                 overlay->add_graphic(obj3d, "beamgate");
 559                 overlay->set_label(obj3d, lexical_cast<string>(gate->get_address()));
 560         }
 561 }
 562
 563 void Designer::tool_status(const string &status)
 564 {
 565         lbl_status->set_text(status);
 566         if(keep_status==1)
 567                 keep_status = 2;
 568 }
 569
 570 void Designer::object_properties_response(int)
 571 {
 572         const set<Object *> &objects = selection.get_objects();
 573         for(set<Object *>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
 574                 update_object_icon(**i);
 575 }
 576
 577 void Designer::route_name_accept(const string &text)
 578 {
 579         if(cur_route)
 580                 cur_route->set_name(text);
 581 }
 582
 583 void Designer::svg_export_accept(const string &text)
 584 {
 585         SvgExporter svg_exp(*layout);
 586         svg_exp.save(text);
 587 }
 588
 589 string Designer::tooltip(int x, int y)
 590 {
 591         const GLtk::Geometry &rgeom = root.get_geometry();
 592         if(Object *obj = pick_object(Vector(x*2.0f/rgeom.w-1.0f, y*2.0f/rgeom.h-1.0f, 0)))
 593         {
 594                 const ObjectType &otype = obj->get_type();
 595                 string info = format("%d %s", otype.get_article_number(), otype.get_name());
 596                 if(Track *track = dynamic_cast<Track *>(obj))
 597                 {
 598                         if(mode!=CATALOGUE && abs(track->get_tilt()).radians()>1e-4)
 599                                 info += format(" (slope %.1f%%)", abs(tan(track->get_tilt())*100));
 600                         if(track->get_type().is_turnout())
 601                                 info += format(" (turnout %d)", track->get_turnout_address());
 602                         else if(track->get_sensor_address())
 603                                 info += format(" (sensor %d)", track->get_sensor_address());
 604                 }
 605                 if(mode==CATALOGUE)
 606                 {
 607                         const string &descr = otype.get_description();
 608                         if(!descr.empty())
 609                         {
 610                                 info += '\n';
 611                                 info += otype.get_description();
 612                         }
 613                 }
 614                 return info;
 615         }
 616
 617         return string();
 618 }
 619
 620 void Designer::clear_paths()
 621 {
 622         for(list<Path3D *>::iterator i=highlight_paths.begin(); i!=highlight_paths.end(); ++i)
 623                 delete *i;
 624         highlight_paths.clear();
 625 }
 626
 627 void Designer::show_route(const Route &route)
 628 {
 629         clear_paths();
 630
 631         const set<Track *> &rtracks = route.get_tracks();
 632         for(set<Track *>::iterator i=rtracks.begin(); i!=rtracks.end(); ++i)
 633         {
 634                 Track3D &t3d = layout_3d->get_3d(**i);
 635                 Path3D *path = new Path3D(t3d);
 636                 path->set_color(GL::Color(0.5, 0.8, 1.0));
 637                 if((*i)->get_type().is_turnout())
 638                         path->set_path(route.get_turnout((*i)->get_turnout_address()));
 639                 highlight_paths.push_back(path);
 640         }
 641 }
 642
 643 void Designer::show_zone(const Zone &zone)
 644 {
 645         clear_paths();
 646
 647         const Zone::TrackSet &ztracks = zone.get_tracks();
 648         for(Zone::TrackSet::const_iterator i=ztracks.begin(); i!=ztracks.end(); ++i)
 649         {
 650                 Track3D &t3d = layout_3d->get_3d(**i);
 651                 Path3D *path = new Path3D(t3d);
 652                 path->set_color(GL::Color(0.8, 1.0, 0.5));
 653                 highlight_paths.push_back(path);
 654         }
 655 }