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         train_prop(0),
  43         train_prop_stale(false),
  44         placing_train(0),
  45         placing_block(0),
  46         placing_entry(0),
  47         no_lighting(false),
  48         simulate(false)
  49 {
  50         string res;
  51         bool debug = false;
  52         string device = "/dev/ttyS0";
  53         unsigned quality = 4;
  54         bool network = false;
  55
  56         GetOpt getopt;
  57         getopt.add_option('r', "resolution",  res,         GetOpt::REQUIRED_ARG);
  58         getopt.add_option('f', "fullscreen",  fullscreen,  GetOpt::NO_ARG);
  59         getopt.add_option('g', "debug",       debug,       GetOpt::NO_ARG);
  60         getopt.add_option('d', "device",      device,      GetOpt::REQUIRED_ARG);
  61         getopt.add_option('q', "quality",     quality,     GetOpt::REQUIRED_ARG);
  62         getopt.add_option('s', "simulate",    simulate,    GetOpt::NO_ARG);
  63         getopt.add_option('n', "network",     network,     GetOpt::NO_ARG);
  64         getopt.add_option(     "no-lighting", no_lighting, GetOpt::NO_ARG);
  65         getopt(argc, argv);
  66
  67         if(!res.empty())
  68         {
  69                 if(RegMatch m=Regex("([1-9][0-9]*)x([1-9][0-9]*)").match(res))
  70                 {
  71                         screen_w = lexical_cast<unsigned>(m[1].str);
  72                         screen_h = lexical_cast<unsigned>(m[2].str);
  73                 }
  74                 else
  75                         throw UsageError("Invalid resolution");
  76         }
  77
  78         if(device!="none")
  79                 control.open(device);
  80
  81         control.set_debug(debug);
  82
  83         layout_3d.set_quality(quality);
  84
  85         DataFile::load(catalogue, "tracks.dat");
  86         DataFile::load(catalogue, "locos.dat");
  87
  88         const vector<string> &args = getopt.get_args();
  89         if(args.empty())
  90                 throw UsageError("No layout given");
  91         DataFile::load(layout, args.front());
  92
  93         trfc_mgr = new TrafficManager(control, layout);
  94         trfc_mgr->signal_block_reserved.connect(sigc::mem_fun(this, &Engineer::block_reserved));
  95         if(FS::exists("engineer.state"))
  96                 DataFile::load(*trfc_mgr, "engineer.state");
  97
  98         if(network)
  99         {
 100                 server = new Server(*trfc_mgr);
 101                 server->use_event_dispatcher(event_disp);
 102         }
 103
 104         const map<unsigned, Sensor *> &sensors = control.get_sensors();
 105         for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
 106                 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Engineer::sensor_event), i->second));
 107
 108         view_all();
 109 }
 110
 111 Engineer::~Engineer()
 112 {
 113         if(!simulate)
 114                 trfc_mgr->save("engineer.state");
 115         delete trfc_mgr;
 116 }
 117
 118 void Engineer::add_train()
 119 {
 120         train_prop = new TrainProperties(*this, ui_res, 0);
 121         root->add(*train_prop);
 122         train_prop->signal_ok.connect(sigc::mem_fun(this, &Engineer::dismiss_train_prop));
 123         train_prop->signal_cancel.connect(sigc::mem_fun(this, &Engineer::dismiss_train_prop));
 124         train_prop_stale = false;
 125         train_prop->set_visible(true);
 126 }
 127
 128 Train *Engineer::add_train(const LocoType &type, unsigned addr)
 129 {
 130         Locomotive *loco = new Locomotive(type, control, addr);
 131         Train *train = new Train(*trfc_mgr, *loco);
 132         train->set_name(format("Train %d", trfc_mgr->get_trains().size()));
 133
 134         TrainPanel *tpanel = new TrainPanel(*this, ui_res, *train);
 135         root->add(*tpanel);
 136         int y = main_panel->get_geometry().y;
 137         for(list<TrainPanel *>::iterator i=train_panels.begin(); i!=train_panels.end(); ++i)
 138                 y -= (*i)->get_geometry().h;
 139         tpanel->set_position(0, y-tpanel->get_geometry().h);
 140         train_panels.push_back(tpanel);
 141         tpanel->set_visible(true);
 142
 143         place_train(*train);
 144
 145         return train;
 146 }
 147
 148 void Engineer::place_train(Train &train)
 149 {
 150         placing_train = &train;
 151         placing_block = 0;
 152         main_panel->set_status_text("Select location");
 153 }
 154
 155 int Engineer::main()
 156 {
 157         dpy = new Graphics::Display;
 158
 159         Graphics::WindowOptions wopt;
 160         wopt.width = screen_w;
 161         wopt.height = screen_h;
 162         wopt.fullscreen = fullscreen;
 163         wnd = new Graphics::Window(*dpy, wopt);
 164
 165         Graphics::GLOptions glopt;
 166         //glopt.multisample = 4;
 167         glc = new Graphics::GLContext(*wnd, glopt);
 168
 169         wnd->signal_close.connect(sigc::bind(sigc::mem_fun(this, &Engineer::exit), 0));
 170         wnd->signal_button_press.connect(sigc::mem_fun(this, &Engineer::button_press));
 171         wnd->signal_button_release.connect(sigc::mem_fun(this, &Engineer::button_release));
 172         wnd->signal_pointer_motion.connect(sigc::mem_fun(this, &Engineer::pointer_motion));
 173
 174         glEnableClientState(GL_VERTEX_ARRAY);
 175         glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
 176         glEnable(GL_COLOR_MATERIAL);
 177         glDepthFunc(GL_LEQUAL);
 178         glEnable(GL_BLEND);
 179         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 180
 181         DataFile::load(ui_res, "marklin.res");
 182         root = new GLtk::Root(ui_res, *wnd);
 183         root->set_visible(true);
 184
 185         list<GL::Texture *> texs = ui_res.get_list<GL::Texture>();
 186         for(list<GL::Texture *>::iterator i=texs.begin(); i!=texs.end(); ++i)
 187         {
 188                 (*i)->set_min_filter(GL::NEAREST);
 189                 (*i)->set_mag_filter(GL::NEAREST);
 190         }
 191
 192         main_panel = new MainPanel(*this, ui_res);
 193         root->add(*main_panel);
 194         main_panel->set_position(0, screen_h-main_panel->get_geometry().h);
 195         main_panel->set_visible(true);
 196
 197         const list<Train *> &trains = trfc_mgr->get_trains();
 198         int y = main_panel->get_geometry().y;
 199         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 200         {
 201                 TrainPanel *tpanel = new TrainPanel(*this, ui_res, **i);
 202                 root->add(*tpanel);
 203                 tpanel->set_position(0, y-tpanel->get_geometry().h);
 204                 train_panels.push_back(tpanel);
 205                 tpanel->set_visible(true);
 206                 y -= tpanel->get_geometry().h;
 207         }
 208
 209         wnd->show();
 210
 211         Application::main();
 212
 213         delete glc;
 214         delete wnd;
 215         delete dpy;
 216
 217         return exit_code;
 218 }
 219
 220 void Engineer::tick()
 221 {
 222         dpy->tick();
 223
 224         control.tick();
 225         trfc_mgr->tick();
 226         event_disp.tick(Time::zero);
 227
 228         glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 229
 230         project_3d();
 231         glLoadIdentity();
 232         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 233         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 234
 235         if(!no_lighting)
 236         {
 237                 glEnable(GL_LIGHTING);
 238                 glEnable(GL_LIGHT0);
 239                 float params[4];
 240                 params[0] = 0;
 241                 params[1] = -0.2;
 242                 params[2] = 1;
 243                 params[3] = 0;
 244                 glLightfv(GL_LIGHT0, GL_POSITION, params);
 245         }
 246
 247         //glEnable(GL_DEPTH_TEST);
 248         glEnable(GL_MULTISAMPLE);
 249
 250         layout_3d.render();
 251
 252         glDisable(GL_LIGHTING);
 253         glColor4f(1, 1, 1, 1);
 254         const list<Track3D *> &ltracks = layout_3d.get_tracks();
 255         for(list<Track3D *>::const_iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 256         {
 257                 Track &track = (*i)->get_track();
 258                 if(track.get_turnout_id())
 259                 {
 260                         Turnout &trnt = control.get_turnout(track.get_turnout_id());
 261                         (*i)->render_route(trnt.get_route());
 262                 }
 263                 else
 264                         (*i)->render_route(-1);
 265         }
 266
 267         if(placing_train && placing_block)
 268         {
 269                 GL::push_matrix();
 270
 271                 const Marklin::Block::Endpoint &bep = placing_block->get_endpoints()[placing_entry];
 272                 float rot = bep.track->get_endpoint_direction(bep.track_ep);
 273                 Point pos = bep.track->get_endpoint_position(bep.track_ep);
 274
 275                 GL::translate(pos.x, pos.y, pos.z+0.03);
 276                 GL::rotate(rot*180/M_PI+180, 0, 0, 1);
 277                 GL::Texture::unbind();
 278
 279                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 280                 imm.color(1.0f, 1.0f, 1.0f);
 281                 imm.begin(GL::TRIANGLE_FAN);
 282                 imm.vertex(0.08,  0);
 283                 imm.vertex(0.05,  0.03);
 284                 imm.vertex(0.05,  0.01);
 285                 imm.vertex(0,     0.01);
 286                 imm.vertex(0,    -0.01);
 287                 imm.vertex(0.05, -0.01);
 288                 imm.vertex(0.05, -0.03);
 289                 imm.end();
 290
 291                 GL::pop_matrix();
 292         }
 293
 294         const list<Train *> &trains = trfc_mgr->get_trains();
 295         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 296         {
 297                 GL::PushMatrix _push;
 298
 299                 const Point &tp = (*i)->get_position();
 300                 GL::translate(tp.x, tp.y, 0.02);
 301                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 302                 imm.color(0.8f, 0.8f, 1.0f);
 303                 imm.begin(GL::TRIANGLE_FAN);
 304                 imm.vertex(0, 0);
 305                 for(unsigned j=0; j<=12; ++j)
 306                         imm.vertex(0.02*cos(j*M_PI/6), 0.02*sin(j*M_PI/6));
 307                 imm.end();
 308
 309                 GL::rotate(cam_rot*180/M_PI, 0, 0, 1);
 310                 GL::translate(0.03, -0.02, 0);
 311                 GL::scale_uniform(0.04);
 312                 ui_res.get_default_font().draw_string((*i)->get_name());
 313                 GL::Texture::unbind();
 314         }
 315
 316         GL::matrix_mode(GL::PROJECTION);
 317         GL::load_identity();
 318         GL::ortho_bottomleft(screen_w, screen_h);
 319         GL::matrix_mode(GL::MODELVIEW);
 320         GL::load_identity();
 321
 322         glDisable(GL_DEPTH_TEST);
 323         glDisable(GL_LIGHTING);
 324         glDisable(GL_MULTISAMPLE);
 325
 326         root->render();
 327
 328         if(train_prop_stale)
 329         {
 330                 delete train_prop;
 331                 train_prop = 0;
 332         }
 333
 334         glc->swap_buffers();
 335 }
 336
 337 void Engineer::key_press(unsigned key, unsigned mod, wchar_t ch)
 338 {
 339         if(train_prop)
 340                 train_prop->key_press(key, mod, ch);
 341 }
 342
 343 void Engineer::button_press(int x, int y, unsigned btn, unsigned)
 344 {
 345         if(placing_train)
 346         {
 347                 if(btn==1 && placing_block && !placing_block->get_train())
 348                 {
 349                         set_block_color(*placing_block, GL::Color(1, 1, 1));
 350
 351                         placing_train->place(placing_block, placing_entry);
 352                         placing_train = 0;
 353                         main_panel->set_status_text(string());
 354                 }
 355                 else if(btn==3)
 356                 {
 357                         const vector<Block::Endpoint> &endpoints = placing_block->get_endpoints();
 358                         placing_entry = (placing_entry+1)%endpoints.size();
 359                 }
 360         }
 361         else
 362         {
 363                 Track3D *track = pick_track(x, screen_h-y-1);
 364                 if(track)
 365                 {
 366                         if(unsigned tid=track->get_track().get_turnout_id())
 367                         {
 368                                 Turnout &turnout = control.get_turnout(tid);
 369                                 try
 370                                 {
 371                                         turnout.set_route((turnout.get_route()+1)%track->get_track().get_type().get_n_routes());
 372                                         main_panel->set_status_text(format("Turnout %d switched", turnout.get_address()));
 373                                 }
 374                                 catch(const TurnoutBusy &e)
 375                                 {
 376                                         main_panel->set_status_text(e.what());
 377                                 }
 378                         }
 379                         else if(simulate)
 380                         {
 381                                 if(unsigned sid=track->get_track().get_sensor_id())
 382                                 {
 383                                         Sensor &sensor = control.get_sensor(sid);
 384                                         control.signal_sensor_event.emit(sid, !sensor.get_state());
 385                                 }
 386                         }
 387                 }
 388         }
 389 }
 390
 391 void Engineer::button_release(int, int, unsigned, unsigned)
 392 {
 393 }
 394
 395 void Engineer::pointer_motion(int x, int y)
 396 {
 397         if(placing_train)
 398         {
 399                 Track3D *track = pick_track(x, screen_h-y-1);
 400                 if(track && placing_train)
 401                 {
 402                         Block &block = trfc_mgr->get_block_by_track(track->get_track());
 403                         if(&block!=placing_block)
 404                         {
 405                                 if(placing_block)
 406                                         reset_block_color(*placing_block);
 407                                 placing_block = &block;
 408                                 placing_entry = 0;
 409                                 set_block_color(*placing_block, GL::Color(0.5, 1, 0.7));
 410                         }
 411                 }
 412                 else if(track && track->get_track().get_turnout_id())
 413                         main_panel->set_status_text(format("Turnout %d", track->get_track().get_turnout_id()));
 414                 else if(!placing_train)
 415                         main_panel->set_status_text(string());
 416         }
 417 }
 418
 419 void Engineer::view_all()
 420 {
 421         const list<Track3D *> &tracks = layout_3d.get_tracks();
 422
 423         cam_rot = 0;
 424         float best_height = -1;
 425         float mid_x = 0;
 426         float mid_y = 0;
 427         for(float angle=0; angle<M_PI; angle+=0.01)
 428         {
 429                 float min_x = 0;
 430                 float max_x = 0;
 431                 float min_y = 0;
 432                 float max_y = 0;
 433                 for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 434                 {
 435                         Point minp, maxp;
 436                         (*i)->get_bounds(angle, minp, maxp);
 437                         min_x = min(min_x, minp.x);
 438                         max_x = max(max_x, maxp.x);
 439                         min_y = min(min_y, minp.y);
 440                         max_y = max(max_y, maxp.y);
 441                 }
 442
 443                 float width = max_x-min_x;
 444                 float height = max_y-min_y;
 445                 height = max(height, width);
 446
 447                 if(height<best_height || best_height<0)
 448                 {
 449                         cam_rot = angle;
 450                         best_height = height;
 451                         mid_x = (min_x+max_x)/2;
 452                         mid_y = (min_y+max_y)/2;
 453                 }
 454         }
 455
 456         float c = cos(cam_rot);
 457         float s = sin(cam_rot);
 458         cam_pos.x = c*mid_x-s*mid_y;
 459         cam_pos.y = s*mid_x+c*mid_y;
 460         cam_pos.z = max(best_height*1.05/0.82843, 0.15);
 461 }
 462
 463 void Engineer::set_block_color(const Block &block, const GL::Color &color)
 464 {
 465         const set<Track *> &tracks = block.get_tracks();
 466         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 467                 layout_3d.get_track(**i).set_color(color);
 468 }
 469
 470 void Engineer::reset_block_color(const Block &block)
 471 {
 472         if(unsigned sid=block.get_sensor_id())
 473         {
 474                 Sensor &sensor = control.get_sensor(sid);
 475                 if(sensor.get_state())
 476                 {
 477                         set_block_color(block, GL::Color(1, 0.5, 0.3));
 478                         return;
 479                 }
 480         }
 481
 482         if(block.get_train())
 483                 set_block_color(block, GL::Color(1, 1, 0.3));
 484         else
 485                 set_block_color(block, GL::Color(1, 1, 1));
 486 }
 487
 488 void Engineer::sensor_event(bool, Sensor *sensor)
 489 {
 490         const list<Block *> &blocks = trfc_mgr->get_blocks();
 491         for(list<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
 492                 if((*i)->get_sensor_id()==sensor->get_address())
 493                         reset_block_color(**i);
 494 }
 495
 496 void Engineer::block_reserved(const Block &block, const Train *)
 497 {
 498         reset_block_color(block);
 499 }
 500
 501 void Engineer::project_3d()
 502 {
 503         glMatrixMode(GL_PROJECTION);
 504         glLoadIdentity();
 505         float offset = 200.0/screen_w*0.055228;
 506         glFrustum(-0.055228-offset, 0.055228-offset, -0.041421, 0.041421, 0.1, 10);
 507         glMatrixMode(GL_MODELVIEW);
 508 }
 509
 510 Track3D *Engineer::pick_track(int x, int y)
 511 {
 512         float xx = (static_cast<float>(x-static_cast<int>(screen_w)/2-100)/screen_h)*0.82843;
 513         float yy = (static_cast<float>(y)/screen_h-0.5)*0.82843;
 514         float size = 4.0/screen_h*0.82843;
 515
 516         project_3d();
 517         glLoadIdentity();
 518         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 519         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 520
 521         return layout_3d.pick_track(xx, yy, size);
 522 }
 523
 524 void Engineer::dismiss_train_prop()
 525 {
 526         train_prop_stale = true;
 527 }
 528
 529 Application::RegApp<Engineer> Engineer::reg;