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 "libmarklin/except.h"
  24 #include "libmarklin/tracktype.h"
  25 #include "engineer.h"
  26 #include "mainpanel.h"
  27 #include "trainpanel.h"
  28 #include "trainproperties.h"
  29
  30 using namespace std;
  31 using namespace Marklin;
  32 using namespace Msp;
  33
  34 Engineer::Engineer(int argc, char **argv):
  35         screen_w(1280),
  36         screen_h(960),
  37         fullscreen(false),
  38         layout(catalogue),
  39         layout_3d(layout),
  40         train_prop(0),
  41         train_prop_stale(false),
  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
  53         GetOpt getopt;
  54         getopt.add_option('r', "resolution",  res,         GetOpt::REQUIRED_ARG);
  55         getopt.add_option('f', "fullscreen",  fullscreen,  GetOpt::NO_ARG);
  56         getopt.add_option('g', "debug",       debug,       GetOpt::NO_ARG);
  57         getopt.add_option('d', "device",      device,      GetOpt::REQUIRED_ARG);
  58         getopt.add_option('q', "quality",     quality,     GetOpt::REQUIRED_ARG);
  59         getopt.add_option('s', "simulate",    simulate,    GetOpt::NO_ARG);
  60         getopt.add_option(     "no-lighting", no_lighting, GetOpt::NO_ARG);
  61         getopt(argc, argv);
  62
  63         if(!res.empty())
  64         {
  65                 if(RegMatch m=Regex("([1-9][0-9]*)x([1-9][0-9]*)").match(res))
  66                 {
  67                         screen_w = lexical_cast<unsigned>(m[1].str);
  68                         screen_h = lexical_cast<unsigned>(m[2].str);
  69                 }
  70                 else
  71                         throw UsageError("Invalid resolution");
  72         }
  73
  74         if(device!="none")
  75                 control.open(device);
  76
  77         control.set_debug(debug);
  78
  79         layout_3d.set_quality(quality);
  80
  81         DataFile::load(catalogue, "tracks.dat");
  82         DataFile::load(catalogue, "locos.dat");
  83
  84         const vector<string> &args = getopt.get_args();
  85         if(args.empty())
  86                 throw UsageError("No layout given");
  87         DataFile::load(layout, args.front());
  88
  89         trfc_mgr = new TrafficManager(control, layout);
  90         trfc_mgr->signal_block_reserved.connect(sigc::mem_fun(this, &Engineer::block_reserved));
  91         if(FS::exists("engineer.state"))
  92                 DataFile::load(*trfc_mgr, "engineer.state");
  93
  94         const map<unsigned, Sensor *> &sensors = control.get_sensors();
  95         for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
  96                 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Engineer::sensor_event), i->second));
  97
  98         view_all();
  99 }
 100
 101 Engineer::~Engineer()
 102 {
 103         if(!simulate)
 104                 trfc_mgr->save("engineer.state");
 105         delete trfc_mgr;
 106 }
 107
 108 void Engineer::add_train()
 109 {
 110         train_prop = new TrainProperties(*this, ui_res, 0);
 111         root->add(*train_prop);
 112         train_prop->signal_ok.connect(sigc::mem_fun(this, &Engineer::dismiss_train_prop));
 113         train_prop->signal_cancel.connect(sigc::mem_fun(this, &Engineer::dismiss_train_prop));
 114         train_prop_stale = false;
 115         train_prop->set_visible(true);
 116 }
 117
 118 Train *Engineer::add_train(const LocoType &type, unsigned addr)
 119 {
 120         Locomotive *loco = new Locomotive(type, control, addr);
 121         Train *train = new Train(*trfc_mgr, *loco);
 122         train->set_name(format("Train %d", trfc_mgr->get_trains().size()));
 123
 124         TrainPanel *tpanel = new TrainPanel(*this, ui_res, *train);
 125         root->add(*tpanel);
 126         int y = main_panel->get_geometry().y;
 127         for(list<TrainPanel *>::iterator i=train_panels.begin(); i!=train_panels.end(); ++i)
 128                 y -= (*i)->get_geometry().h;
 129         tpanel->set_position(0, y-tpanel->get_geometry().h);
 130         train_panels.push_back(tpanel);
 131         tpanel->set_visible(true);
 132
 133         place_train(*train);
 134
 135         return train;
 136 }
 137
 138 void Engineer::place_train(Train &train)
 139 {
 140         placing_train = &train;
 141         placing_block = 0;
 142         main_panel->set_status_text("Select location");
 143 }
 144
 145 int Engineer::main()
 146 {
 147         dpy = new Graphics::Display;
 148
 149         Graphics::WindowOptions wopt;
 150         wopt.width = screen_w;
 151         wopt.height = screen_h;
 152         wopt.fullscreen = fullscreen;
 153         wnd = new Graphics::Window(*dpy, wopt);
 154
 155         Graphics::GLOptions glopt;
 156         //glopt.multisample = 4;
 157         glc = new Graphics::GLContext(*wnd, glopt);
 158
 159         wnd->signal_close.connect(sigc::bind(sigc::mem_fun(this, &Engineer::exit), 0));
 160         wnd->signal_button_press.connect(sigc::mem_fun(this, &Engineer::button_press));
 161         wnd->signal_button_release.connect(sigc::mem_fun(this, &Engineer::button_release));
 162         wnd->signal_pointer_motion.connect(sigc::mem_fun(this, &Engineer::pointer_motion));
 163
 164         glEnableClientState(GL_VERTEX_ARRAY);
 165         glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
 166         glEnable(GL_COLOR_MATERIAL);
 167         glDepthFunc(GL_LEQUAL);
 168         glEnable(GL_BLEND);
 169         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 170
 171         DataFile::load(ui_res, "marklin.res");
 172         root = new GLtk::Root(ui_res, *wnd);
 173         root->set_visible(true);
 174
 175         list<GL::Texture *> texs = ui_res.get_list<GL::Texture>();
 176         for(list<GL::Texture *>::iterator i=texs.begin(); i!=texs.end(); ++i)
 177         {
 178                 (*i)->set_min_filter(GL::NEAREST);
 179                 (*i)->set_mag_filter(GL::NEAREST);
 180         }
 181
 182         main_panel = new MainPanel(*this, ui_res);
 183         root->add(*main_panel);
 184         main_panel->set_position(0, screen_h-main_panel->get_geometry().h);
 185         main_panel->set_visible(true);
 186
 187         const list<Train *> &trains = trfc_mgr->get_trains();
 188         int y = main_panel->get_geometry().y;
 189         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 190         {
 191                 TrainPanel *tpanel = new TrainPanel(*this, ui_res, **i);
 192                 root->add(*tpanel);
 193                 tpanel->set_position(0, y-tpanel->get_geometry().h);
 194                 train_panels.push_back(tpanel);
 195                 tpanel->set_visible(true);
 196                 y -= tpanel->get_geometry().h;
 197         }
 198
 199         wnd->show();
 200
 201         Application::main();
 202
 203         delete glc;
 204         delete wnd;
 205         delete dpy;
 206
 207         return exit_code;
 208 }
 209
 210 void Engineer::tick()
 211 {
 212         dpy->tick();
 213
 214         control.tick();
 215         trfc_mgr->tick();
 216
 217         glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 218
 219         project_3d();
 220         glLoadIdentity();
 221         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 222         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 223
 224         if(!no_lighting)
 225         {
 226                 glEnable(GL_LIGHTING);
 227                 glEnable(GL_LIGHT0);
 228                 float params[4];
 229                 params[0] = 0;
 230                 params[1] = -0.2;
 231                 params[2] = 1;
 232                 params[3] = 0;
 233                 glLightfv(GL_LIGHT0, GL_POSITION, params);
 234         }
 235
 236         //glEnable(GL_DEPTH_TEST);
 237         glEnable(GL_MULTISAMPLE);
 238
 239         layout_3d.render();
 240
 241         glDisable(GL_LIGHTING);
 242         glColor4f(1, 1, 1, 1);
 243         const list<Track3D *> &ltracks = layout_3d.get_tracks();
 244         for(list<Track3D *>::const_iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 245         {
 246                 Track &track = (*i)->get_track();
 247                 if(track.get_turnout_id())
 248                 {
 249                         Turnout &trnt = control.get_turnout(track.get_turnout_id());
 250                         (*i)->render_route(trnt.get_route());
 251                 }
 252                 else
 253                         (*i)->render_route(-1);
 254         }
 255
 256         if(placing_train && placing_block)
 257         {
 258                 GL::push_matrix();
 259
 260                 const Marklin::Block::Endpoint &bep = placing_block->get_endpoints()[placing_entry];
 261                 float rot = bep.track->get_endpoint_direction(bep.track_ep);
 262                 Point pos = bep.track->get_endpoint_position(bep.track_ep);
 263
 264                 GL::translate(pos.x, pos.y, pos.z+0.03);
 265                 GL::rotate(rot*180/M_PI+180, 0, 0, 1);
 266                 GL::Texture::unbind();
 267
 268                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 269                 imm.color(1.0f, 1.0f, 1.0f);
 270                 imm.begin(GL::TRIANGLE_FAN);
 271                 imm.vertex(0.08,  0);
 272                 imm.vertex(0.05,  0.03);
 273                 imm.vertex(0.05,  0.01);
 274                 imm.vertex(0,     0.01);
 275                 imm.vertex(0,    -0.01);
 276                 imm.vertex(0.05, -0.01);
 277                 imm.vertex(0.05, -0.03);
 278                 imm.end();
 279
 280                 GL::pop_matrix();
 281         }
 282
 283         const list<Train *> &trains = trfc_mgr->get_trains();
 284         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 285         {
 286                 GL::PushMatrix _push;
 287
 288                 const Point &tp = (*i)->get_position();
 289                 GL::translate(tp.x, tp.y, 0.02);
 290                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 291                 imm.color(0.8f, 0.8f, 1.0f);
 292                 imm.begin(GL::TRIANGLE_FAN);
 293                 imm.vertex(0, 0);
 294                 for(unsigned j=0; j<=12; ++j)
 295                         imm.vertex(0.02*cos(j*M_PI/6), 0.02*sin(j*M_PI/6));
 296                 imm.end();
 297
 298                 GL::rotate(cam_rot*180/M_PI, 0, 0, 1);
 299                 GL::translate(0.03, -0.02, 0);
 300                 GL::scale_uniform(0.04);
 301                 ui_res.get_default_font().draw_string((*i)->get_name());
 302                 GL::Texture::unbind();
 303         }
 304
 305         GL::matrix_mode(GL::PROJECTION);
 306         GL::load_identity();
 307         GL::ortho_bottomleft(screen_w, screen_h);
 308         GL::matrix_mode(GL::MODELVIEW);
 309         GL::load_identity();
 310
 311         glDisable(GL_DEPTH_TEST);
 312         glDisable(GL_LIGHTING);
 313         glDisable(GL_MULTISAMPLE);
 314
 315         root->render();
 316
 317         if(train_prop_stale)
 318         {
 319                 delete train_prop;
 320                 train_prop = 0;
 321         }
 322
 323         glc->swap_buffers();
 324 }
 325
 326 void Engineer::key_press(unsigned key, unsigned mod, wchar_t ch)
 327 {
 328         if(train_prop)
 329                 train_prop->key_press(key, mod, ch);
 330 }
 331
 332 void Engineer::button_press(int x, int y, unsigned btn, unsigned)
 333 {
 334         if(placing_train)
 335         {
 336                 if(btn==1 && placing_block && !placing_block->get_train())
 337                 {
 338                         set_block_color(*placing_block, GL::Color(1, 1, 1));
 339
 340                         placing_train->place(placing_block, placing_entry);
 341                         placing_train = 0;
 342                         main_panel->set_status_text(string());
 343                 }
 344                 else if(btn==3)
 345                 {
 346                         const vector<Block::Endpoint> &endpoints = placing_block->get_endpoints();
 347                         placing_entry = (placing_entry+1)%endpoints.size();
 348                 }
 349         }
 350         else
 351         {
 352                 Track3D *track = pick_track(x, screen_h-y-1);
 353                 if(track)
 354                 {
 355                         if(unsigned tid=track->get_track().get_turnout_id())
 356                         {
 357                                 Turnout &turnout = control.get_turnout(tid);
 358                                 try
 359                                 {
 360                                         turnout.set_route((turnout.get_route()+1)%track->get_track().get_type().get_n_routes());
 361                                         main_panel->set_status_text(format("Turnout %d switched", turnout.get_address()));
 362                                 }
 363                                 catch(const TurnoutBusy &e)
 364                                 {
 365                                         main_panel->set_status_text(e.what());
 366                                 }
 367                         }
 368                         else if(simulate)
 369                         {
 370                                 if(unsigned sid=track->get_track().get_sensor_id())
 371                                 {
 372                                         Sensor &sensor = control.get_sensor(sid);
 373                                         control.signal_sensor_event.emit(sid, !sensor.get_state());
 374                                 }
 375                         }
 376                 }
 377         }
 378 }
 379
 380 void Engineer::button_release(int, int, unsigned, unsigned)
 381 {
 382 }
 383
 384 void Engineer::pointer_motion(int x, int y)
 385 {
 386         if(placing_train)
 387         {
 388                 Track3D *track = pick_track(x, screen_h-y-1);
 389                 if(track && placing_train)
 390                 {
 391                         Block &block = trfc_mgr->get_block_by_track(track->get_track());
 392                         if(&block!=placing_block)
 393                         {
 394                                 if(placing_block)
 395                                         reset_block_color(*placing_block);
 396                                 placing_block = &block;
 397                                 placing_entry = 0;
 398                                 set_block_color(*placing_block, GL::Color(0.5, 1, 0.7));
 399                         }
 400                 }
 401                 else if(track && track->get_track().get_turnout_id())
 402                         main_panel->set_status_text(format("Turnout %d", track->get_track().get_turnout_id()));
 403                 else if(!placing_train)
 404                         main_panel->set_status_text(string());
 405         }
 406 }
 407
 408 void Engineer::view_all()
 409 {
 410         const list<Track3D *> &tracks = layout_3d.get_tracks();
 411
 412         cam_rot = 0;
 413         float best_height = -1;
 414         float mid_x = 0;
 415         float mid_y = 0;
 416         for(float angle=0; angle<M_PI; angle+=0.01)
 417         {
 418                 float min_x = 0;
 419                 float max_x = 0;
 420                 float min_y = 0;
 421                 float max_y = 0;
 422                 for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 423                 {
 424                         Point minp, maxp;
 425                         (*i)->get_bounds(angle, minp, maxp);
 426                         min_x = min(min_x, minp.x);
 427                         max_x = max(max_x, maxp.x);
 428                         min_y = min(min_y, minp.y);
 429                         max_y = max(max_y, maxp.y);
 430                 }
 431
 432                 float width = max_x-min_x;
 433                 float height = max_y-min_y;
 434                 height = max(height, width);
 435
 436                 if(height<best_height || best_height<0)
 437                 {
 438                         cam_rot = angle;
 439                         best_height = height;
 440                         mid_x = (min_x+max_x)/2;
 441                         mid_y = (min_y+max_y)/2;
 442                 }
 443         }
 444
 445         float c = cos(cam_rot);
 446         float s = sin(cam_rot);
 447         cam_pos.x = c*mid_x-s*mid_y;
 448         cam_pos.y = s*mid_x+c*mid_y;
 449         cam_pos.z = max(best_height*1.05/0.82843, 0.15);
 450 }
 451
 452 void Engineer::set_block_color(const Block &block, const GL::Color &color)
 453 {
 454         const set<Track *> &tracks = block.get_tracks();
 455         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 456                 layout_3d.get_track(**i).set_color(color);
 457 }
 458
 459 void Engineer::reset_block_color(const Block &block)
 460 {
 461         if(unsigned sid=block.get_sensor_id())
 462         {
 463                 Sensor &sensor = control.get_sensor(sid);
 464                 if(sensor.get_state())
 465                 {
 466                         set_block_color(block, GL::Color(1, 0.5, 0.3));
 467                         return;
 468                 }
 469         }
 470
 471         if(block.get_train())
 472                 set_block_color(block, GL::Color(1, 1, 0.3));
 473         else
 474                 set_block_color(block, GL::Color(1, 1, 1));
 475 }
 476
 477 void Engineer::sensor_event(bool, Sensor *sensor)
 478 {
 479         const list<Block *> &blocks = trfc_mgr->get_blocks();
 480         for(list<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
 481                 if((*i)->get_sensor_id()==sensor->get_address())
 482                         reset_block_color(**i);
 483 }
 484
 485 void Engineer::block_reserved(const Block &block, const Train *)
 486 {
 487         reset_block_color(block);
 488 }
 489
 490 void Engineer::project_3d()
 491 {
 492         glMatrixMode(GL_PROJECTION);
 493         glLoadIdentity();
 494         float offset = 200.0/screen_w*0.055228;
 495         glFrustum(-0.055228-offset, 0.055228-offset, -0.041421, 0.041421, 0.1, 10);
 496         glMatrixMode(GL_MODELVIEW);
 497 }
 498
 499 Track3D *Engineer::pick_track(int x, int y)
 500 {
 501         float xx = (static_cast<float>(x-static_cast<int>(screen_w)/2-100)/screen_h)*0.82843;
 502         float yy = (static_cast<float>(y)/screen_h-0.5)*0.82843;
 503         float size = 4.0/screen_h*0.82843;
 504
 505         project_3d();
 506         glLoadIdentity();
 507         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 508         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 509
 510         return layout_3d.pick_track(xx, yy, size);
 511 }
 512
 513 void Engineer::dismiss_train_prop()
 514 {
 515         train_prop_stale = true;
 516 }
 517
 518 Application::RegApp<Engineer> Engineer::reg;