source/engineer/engineer.cpp

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <cmath>
   9 #include <limits>
  10 #include <GL/gl.h>
  11 #include <msp/core/except.h>
  12 #include <msp/core/getopt.h>
  13 #include <msp/fs/stat.h>
  14 #include <msp/gbase/display.h>
  15 #include <msp/gbase/window.h>
  16 #include <msp/gl/immediate.h>
  17 #include <msp/gl/matrix.h>
  18 #include <msp/gl/projection.h>
  19 #include <msp/gl/transform.h>
  20 #include <msp/strings/formatter.h>
  21 #include <msp/strings/lexicalcast.h>
  22 #include <msp/strings/regex.h>
  23 #include <msp/time/units.h>
  24 #include "libmarklin/except.h"
  25 #include "libmarklin/tracktype.h"
  26 #include "engineer.h"
  27 #include "mainpanel.h"
  28 #include "trainpanel.h"
  29 #include "trainproperties.h"
  30
  31 using namespace std;
  32 using namespace Marklin;
  33 using namespace Msp;
  34
  35 Engineer::Engineer(int argc, char **argv):
  36         screen_w(1280),
  37         screen_h(960),
  38         fullscreen(false),
  39         layout(catalogue),
  40         layout_3d(layout),
  41         server(0),
  42         placing_train(0),
  43         placing_block(0),
  44         placing_entry(0),
  45         no_lighting(false),
  46         simulate(false)
  47 {
  48         string res;
  49         bool debug = false;
  50         string device = "/dev/ttyS0";
  51         unsigned quality = 4;
  52         bool network = false;
  53
  54         GetOpt getopt;
  55         getopt.add_option('r', "resolution",  res,         GetOpt::REQUIRED_ARG);
  56         getopt.add_option('f', "fullscreen",  fullscreen,  GetOpt::NO_ARG);
  57         getopt.add_option('g', "debug",       debug,       GetOpt::NO_ARG);
  58         getopt.add_option('d', "device",      device,      GetOpt::REQUIRED_ARG);
  59         getopt.add_option('q', "quality",     quality,     GetOpt::REQUIRED_ARG);
  60         getopt.add_option('s', "simulate",    simulate,    GetOpt::NO_ARG);
  61         getopt.add_option('n', "network",     network,     GetOpt::NO_ARG);
  62         getopt.add_option(     "no-lighting", no_lighting, GetOpt::NO_ARG);
  63         getopt(argc, argv);
  64
  65         if(!res.empty())
  66         {
  67                 if(RegMatch m=Regex("([1-9][0-9]*)x([1-9][0-9]*)").match(res))
  68                 {
  69                         screen_w = lexical_cast<unsigned>(m[1].str);
  70                         screen_h = lexical_cast<unsigned>(m[2].str);
  71                 }
  72                 else
  73                         throw UsageError("Invalid resolution");
  74         }
  75
  76         if(device!="none")
  77                 control.open(device);
  78
  79         control.set_debug(debug);
  80
  81         layout_3d.set_quality(quality);
  82
  83         DataFile::load(catalogue, "tracks.dat");
  84         DataFile::load(catalogue, "locos.dat");
  85
  86         const vector<string> &args = getopt.get_args();
  87         if(args.empty())
  88                 throw UsageError("No layout given");
  89         DataFile::load(layout, args.front());
  90
  91         trfc_mgr = new TrafficManager(control, layout);
  92         if(FS::exists("engineer.state"))
  93                 DataFile::load(*trfc_mgr, "engineer.state");
  94         trfc_mgr->signal_train_added.connect(sigc::mem_fun(this, &Engineer::train_added));
  95         trfc_mgr->signal_block_reserved.connect(sigc::mem_fun(this, &Engineer::block_reserved));
  96
  97         if(network)
  98         {
  99                 server = new Server(*trfc_mgr);
 100                 server->use_event_dispatcher(event_disp);
 101         }
 102
 103         const map<unsigned, Sensor *> &sensors = control.get_sensors();
 104         for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
 105                 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Engineer::sensor_event), i->second));
 106
 107         view_all();
 108 }
 109
 110 Engineer::~Engineer()
 111 {
 112         if(!simulate)
 113                 trfc_mgr->save("engineer.state");
 114         delete trfc_mgr;
 115         delete server;
 116 }
 117
 118 void Engineer::place_train(Train &train)
 119 {
 120         placing_train = &train;
 121         placing_block = 0;
 122         main_panel->set_status_text("Select location");
 123 }
 124
 125 int Engineer::main()
 126 {
 127         dpy = new Graphics::Display;
 128
 129         Graphics::WindowOptions wopt;
 130         wopt.width = screen_w;
 131         wopt.height = screen_h;
 132         wopt.fullscreen = fullscreen;
 133         wnd = new Graphics::Window(*dpy, wopt);
 134
 135         Graphics::GLOptions glopt;
 136         //glopt.multisample = 4;
 137         glc = new Graphics::GLContext(*wnd, glopt);
 138
 139         wnd->signal_close.connect(sigc::bind(sigc::mem_fun(this, &Engineer::exit), 0));
 140         wnd->signal_button_press.connect(sigc::mem_fun(this, &Engineer::button_press));
 141         wnd->signal_button_release.connect(sigc::mem_fun(this, &Engineer::button_release));
 142         wnd->signal_pointer_motion.connect(sigc::mem_fun(this, &Engineer::pointer_motion));
 143
 144         glEnableClientState(GL_VERTEX_ARRAY);
 145         glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
 146         glEnable(GL_COLOR_MATERIAL);
 147         glDepthFunc(GL_LEQUAL);
 148         glEnable(GL_BLEND);
 149         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 150
 151         DataFile::load(ui_res, "marklin.res");
 152         root = new GLtk::Root(ui_res, *wnd);
 153         root->set_visible(true);
 154
 155         list<GL::Texture *> texs = ui_res.get_list<GL::Texture>();
 156         for(list<GL::Texture *>::iterator i=texs.begin(); i!=texs.end(); ++i)
 157         {
 158                 (*i)->set_min_filter(GL::NEAREST);
 159                 (*i)->set_mag_filter(GL::NEAREST);
 160         }
 161
 162         main_panel = new MainPanel(*this, ui_res);
 163         root->add(*main_panel);
 164         main_panel->set_position(0, screen_h-main_panel->get_geometry().h);
 165         main_panel->set_visible(true);
 166
 167         const list<Train *> &trains = trfc_mgr->get_trains();
 168         int y = main_panel->get_geometry().y;
 169         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 170         {
 171                 TrainPanel *tpanel = new TrainPanel(*this, ui_res, **i);
 172                 root->add(*tpanel);
 173                 tpanel->set_position(0, y-tpanel->get_geometry().h);
 174                 train_panels.push_back(tpanel);
 175                 tpanel->set_visible(true);
 176                 y -= tpanel->get_geometry().h;
 177         }
 178
 179         const list<Block *> &blocks = trfc_mgr->get_blocks();
 180         for(list<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
 181                 reset_block_color(**i);
 182
 183         wnd->show();
 184
 185         Application::main();
 186
 187         delete root;
 188         delete glc;
 189         delete wnd;
 190         delete dpy;
 191
 192         return exit_code;
 193 }
 194
 195 void Engineer::tick()
 196 {
 197         dpy->tick();
 198
 199         control.tick();
 200         trfc_mgr->tick();
 201         event_disp.tick(Time::zero);
 202
 203         glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 204
 205         project_3d();
 206         glLoadIdentity();
 207         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 208         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 209
 210         if(!no_lighting)
 211         {
 212                 glEnable(GL_LIGHTING);
 213                 glEnable(GL_LIGHT0);
 214                 float params[4];
 215                 params[0] = 0;
 216                 params[1] = -0.2;
 217                 params[2] = 1;
 218                 params[3] = 0;
 219                 glLightfv(GL_LIGHT0, GL_POSITION, params);
 220         }
 221
 222         //glEnable(GL_DEPTH_TEST);
 223         glEnable(GL_MULTISAMPLE);
 224
 225         layout_3d.render();
 226
 227         glDisable(GL_LIGHTING);
 228         glColor4f(1, 1, 1, 1);
 229         const list<Track3D *> &ltracks = layout_3d.get_tracks();
 230         for(list<Track3D *>::const_iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 231         {
 232                 Track &track = (*i)->get_track();
 233                 if(track.get_turnout_id())
 234                 {
 235                         Turnout &trnt = control.get_turnout(track.get_turnout_id());
 236                         (*i)->render_path(trnt.get_path());
 237                 }
 238                 else
 239                         (*i)->render_path(-1);
 240         }
 241
 242         if(placing_train && placing_block)
 243         {
 244                 GL::push_matrix();
 245
 246                 const Marklin::Block::Endpoint &bep = placing_block->get_endpoints()[placing_entry];
 247                 float rot = bep.track->get_endpoint_direction(bep.track_ep);
 248                 Point pos = bep.track->get_endpoint_position(bep.track_ep);
 249
 250                 GL::translate(pos.x, pos.y, pos.z+0.03);
 251                 GL::rotate(rot*180/M_PI+180, 0, 0, 1);
 252                 GL::Texture::unbind();
 253
 254                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 255                 imm.color(1.0f, 1.0f, 1.0f);
 256                 imm.begin(GL::TRIANGLE_FAN);
 257                 imm.vertex(0.08,  0);
 258                 imm.vertex(0.05,  0.03);
 259                 imm.vertex(0.05,  0.01);
 260                 imm.vertex(0,     0.01);
 261                 imm.vertex(0,    -0.01);
 262                 imm.vertex(0.05, -0.01);
 263                 imm.vertex(0.05, -0.03);
 264                 imm.end();
 265
 266                 GL::pop_matrix();
 267         }
 268
 269         const list<Train *> &trains = trfc_mgr->get_trains();
 270         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 271         {
 272                 if(!(*i)->is_placed())
 273                         continue;
 274
 275                 GL::PushMatrix _push;
 276
 277                 const Point &tp = (*i)->get_position();
 278                 GL::translate(tp.x, tp.y, tp.z+0.02);
 279                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 280                 imm.color(0.8f, 0.8f, 1.0f);
 281                 imm.begin(GL::TRIANGLE_FAN);
 282                 imm.vertex(0, 0);
 283                 for(unsigned j=0; j<=12; ++j)
 284                         imm.vertex(0.02*cos(j*M_PI/6), 0.02*sin(j*M_PI/6));
 285                 imm.end();
 286
 287                 GL::rotate(cam_rot*180/M_PI, 0, 0, 1);
 288                 GL::translate(0.03, -0.02, 0);
 289                 GL::scale_uniform(0.04);
 290                 ui_res.get_default_font().draw_string((*i)->get_name());
 291                 GL::Texture::unbind();
 292         }
 293
 294         GL::matrix_mode(GL::PROJECTION);
 295         GL::load_identity();
 296         GL::ortho_bottomleft(screen_w, screen_h);
 297         GL::matrix_mode(GL::MODELVIEW);
 298         GL::load_identity();
 299
 300         glDisable(GL_DEPTH_TEST);
 301         glDisable(GL_LIGHTING);
 302         glDisable(GL_MULTISAMPLE);
 303
 304         root->render();
 305
 306         glc->swap_buffers();
 307 }
 308
 309 void Engineer::button_press(int x, int y, unsigned btn, unsigned)
 310 {
 311         if(placing_train)
 312         {
 313                 if(btn==1 && placing_block && !placing_block->get_train())
 314                 {
 315                         set_block_color(*placing_block, GL::Color(1, 1, 1));
 316
 317                         placing_train->place(*placing_block, placing_entry);
 318                         placing_train = 0;
 319                         main_panel->set_status_text(string());
 320                 }
 321                 else if(btn==3)
 322                 {
 323                         const vector<Block::Endpoint> &endpoints = placing_block->get_endpoints();
 324                         placing_entry = (placing_entry+1)%endpoints.size();
 325                 }
 326         }
 327         else
 328         {
 329                 Track3D *track = pick_track(x, screen_h-y-1);
 330                 if(track)
 331                 {
 332                         if(unsigned tid=track->get_track().get_turnout_id())
 333                         {
 334                                 Turnout &turnout = control.get_turnout(tid);
 335                                 try
 336                                 {
 337                                         turnout.set_path((turnout.get_path()+1)%track->get_track().get_type().get_n_paths());
 338                                         main_panel->set_status_text(format("Turnout %d switched", turnout.get_address()));
 339                                 }
 340                                 catch(const TurnoutBusy &e)
 341                                 {
 342                                         main_panel->set_status_text(e.what());
 343                                 }
 344                         }
 345                         else if(simulate)
 346                         {
 347                                 if(unsigned sid=track->get_track().get_sensor_id())
 348                                 {
 349                                         Sensor &sensor = control.get_sensor(sid);
 350                                         control.signal_sensor_event.emit(sid, !sensor.get_state());
 351                                 }
 352                         }
 353                 }
 354         }
 355 }
 356
 357 void Engineer::button_release(int, int, unsigned, unsigned)
 358 {
 359 }
 360
 361 void Engineer::pointer_motion(int x, int y)
 362 {
 363         if(placing_train)
 364         {
 365                 Track3D *track = pick_track(x, screen_h-y-1);
 366                 if(track && placing_train)
 367                 {
 368                         Block &block = trfc_mgr->get_block_by_track(track->get_track());
 369                         if(&block!=placing_block)
 370                         {
 371                                 if(placing_block)
 372                                         reset_block_color(*placing_block);
 373                                 placing_block = &block;
 374                                 placing_entry = 0;
 375                                 set_block_color(*placing_block, GL::Color(0.5, 1, 0.7));
 376                         }
 377                 }
 378                 else if(track && track->get_track().get_turnout_id())
 379                         main_panel->set_status_text(format("Turnout %d", track->get_track().get_turnout_id()));
 380                 else if(!placing_train)
 381                         main_panel->set_status_text(string());
 382         }
 383 }
 384
 385 void Engineer::view_all()
 386 {
 387         const list<Track3D *> &tracks = layout_3d.get_tracks();
 388
 389         cam_rot = 0;
 390         float best_height = -1;
 391         float mid_x = 0;
 392         float mid_y = 0;
 393         for(float angle=0; angle<M_PI; angle+=0.01)
 394         {
 395                 float min_x = 0;
 396                 float max_x = 0;
 397                 float min_y = 0;
 398                 float max_y = 0;
 399                 for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 400                 {
 401                         Point minp, maxp;
 402                         (*i)->get_bounds(angle, minp, maxp);
 403                         min_x = min(min_x, minp.x);
 404                         max_x = max(max_x, maxp.x);
 405                         min_y = min(min_y, minp.y);
 406                         max_y = max(max_y, maxp.y);
 407                 }
 408
 409                 float width = max_x-min_x;
 410                 float height = max_y-min_y;
 411                 height = max(height, width);
 412
 413                 if(height<best_height || best_height<0)
 414                 {
 415                         cam_rot = angle;
 416                         best_height = height;
 417                         mid_x = (min_x+max_x)/2;
 418                         mid_y = (min_y+max_y)/2;
 419                 }
 420         }
 421
 422         float c = cos(cam_rot);
 423         float s = sin(cam_rot);
 424         cam_pos.x = c*mid_x-s*mid_y;
 425         cam_pos.y = s*mid_x+c*mid_y;
 426         cam_pos.z = max(best_height*1.05/0.82843, 0.15);
 427 }
 428
 429 void Engineer::set_block_color(const Block &block, const GL::Color &color)
 430 {
 431         const set<Track *> &tracks = block.get_tracks();
 432         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 433                 layout_3d.get_track(**i).set_color(color);
 434 }
 435
 436 void Engineer::reset_block_color(const Block &block)
 437 {
 438         if(unsigned sid=block.get_sensor_id())
 439         {
 440                 Sensor &sensor = control.get_sensor(sid);
 441                 if(sensor.get_state())
 442                 {
 443                         set_block_color(block, GL::Color(1, 0.5, 0.3));
 444                         return;
 445                 }
 446         }
 447
 448         if(block.get_train())
 449                 set_block_color(block, GL::Color(1, 1, 0.3));
 450         else
 451                 set_block_color(block, GL::Color(1, 1, 1));
 452 }
 453
 454 void Engineer::sensor_event(bool, Sensor *sensor)
 455 {
 456         const list<Block *> &blocks = trfc_mgr->get_blocks();
 457         for(list<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
 458                 if((*i)->get_sensor_id()==sensor->get_address())
 459                         reset_block_color(**i);
 460 }
 461
 462 void Engineer::block_reserved(const Block &block, const Train *)
 463 {
 464         reset_block_color(block);
 465 }
 466
 467 void Engineer::project_3d()
 468 {
 469         glMatrixMode(GL_PROJECTION);
 470         glLoadIdentity();
 471         float offset = 200.0/screen_w*0.055228;
 472         glFrustum(-0.055228-offset, 0.055228-offset, -0.041421, 0.041421, 0.1, 10);
 473         glMatrixMode(GL_MODELVIEW);
 474 }
 475
 476 Track3D *Engineer::pick_track(int x, int y)
 477 {
 478         float xx = (static_cast<float>(x-static_cast<int>(screen_w)/2-100)/screen_h)*0.82843;
 479         float yy = (static_cast<float>(y)/screen_h-0.5)*0.82843;
 480         float size = 4.0/screen_h*0.82843;
 481
 482         project_3d();
 483         glLoadIdentity();
 484         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 485         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 486
 487         return layout_3d.pick_track(xx, yy, size);
 488 }
 489
 490 void Engineer::train_added(Train &train)
 491 {
 492         TrainPanel *tpanel = new TrainPanel(*this, ui_res, train);
 493         root->add(*tpanel);
 494         int y = main_panel->get_geometry().y;
 495         for(list<TrainPanel *>::iterator i=train_panels.begin(); i!=train_panels.end(); ++i)
 496                 y -= (*i)->get_geometry().h;
 497         tpanel->set_position(0, y-tpanel->get_geometry().h);
 498         train_panels.push_back(tpanel);
 499         tpanel->set_visible(true);
 500
 501         place_train(train);
 502 }
 503
 504 Application::RegApp<Engineer> Engineer::reg;