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/tracktype.h"
  24 #include "engineer.h"
  25 #include "mainpanel.h"
  26 #include "trainpanel.h"
  27 #include "trainproperties.h"
  28
  29 using namespace std;
  30 using namespace Marklin;
  31 using namespace Msp;
  32
  33 Engineer::Engineer(int argc, char **argv):
  34         screen_w(1280),
  35         screen_h(960),
  36         fullscreen(false),
  37         layout(catalogue),
  38         layout_3d(layout),
  39         no_lighting(false),
  40         placing_train(0),
  41         placing_block(0),
  42         placing_entry(0),
  43         simulate(false),
  44         train_prop(0),
  45         train_prop_stale(false)
  46 {
  47         string res;
  48         bool   debug=false;
  49         string device="/dev/ttyS0";
  50         unsigned quality=4;
  51
  52         GetOpt getopt;
  53         getopt.add_option('r', "resolution",  res,         GetOpt::REQUIRED_ARG);
  54         getopt.add_option('f', "fullscreen",  fullscreen,  GetOpt::NO_ARG);
  55         getopt.add_option('g', "debug",       debug,       GetOpt::NO_ARG);
  56         getopt.add_option('d', "device",      device,      GetOpt::REQUIRED_ARG);
  57         getopt.add_option('q', "quality",     quality,     GetOpt::REQUIRED_ARG);
  58         getopt.add_option('s', "simulate",    simulate,    GetOpt::NO_ARG);
  59         getopt.add_option(     "no-lighting", no_lighting, GetOpt::NO_ARG);
  60         getopt(argc, argv);
  61
  62         if(!res.empty())
  63         {
  64                 if(RegMatch m=Regex("([1-9][0-9]*)x([1-9][0-9]*)").match(res))
  65                 {
  66                         screen_w=lexical_cast<unsigned>(m[1].str);
  67                         screen_h=lexical_cast<unsigned>(m[2].str);
  68                 }
  69                 else
  70                         throw UsageError("Invalid resolution");
  71         }
  72
  73         if(device!="none")
  74                 control.open(device);
  75
  76         control.set_debug(debug);
  77
  78         layout_3d.set_quality(quality);
  79
  80         catalogue.load("tracks.dat");
  81         catalogue.load("locos.dat");
  82
  83         const vector<string> &args=getopt.get_args();
  84         if(args.empty())
  85                 throw UsageError("No layout given");
  86         DataFile::load(layout, args.front());
  87
  88         trfc_mgr=new TrafficManager(control, layout);
  89         trfc_mgr->signal_block_reserved.connect(sigc::mem_fun(this, &Engineer::block_reserved));
  90         if(FS::exists("engineer.state"))
  91                 DataFile::load(*trfc_mgr, "engineer.state");
  92
  93         const map<unsigned, Sensor *> &sensors=control.get_sensors();
  94         for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
  95                 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Engineer::sensor_event), i->second));
  96
  97         view_all();
  98 }
  99
 100 Engineer::~Engineer()
 101 {
 102         trfc_mgr->save("engineer.state");
 103         delete trfc_mgr;
 104 }
 105
 106 void Engineer::add_train()
 107 {
 108         train_prop=new TrainProperties(*this, ui_res, 0);
 109         root->add(*train_prop);
 110         train_prop->signal_ok.connect(sigc::mem_fun(this, &Engineer::dismiss_train_prop));
 111         train_prop_stale=false;
 112         train_prop->set_visible(true);
 113 }
 114
 115 Train *Engineer::add_train(const LocoType &type, unsigned addr)
 116 {
 117         Locomotive *loco=new Locomotive(type, control, addr);
 118         Train *train=new Train(*trfc_mgr, *loco);
 119         train->set_name(format("Train %d", trfc_mgr->get_trains().size()));
 120
 121         TrainPanel *tpanel=new TrainPanel(*this, ui_res, *train);
 122         root->add(*tpanel);
 123         int y=main_panel->get_geometry().y;
 124         for(list<TrainPanel *>::iterator i=train_panels.begin(); i!=train_panels.end(); ++i)
 125                 y-=(*i)->get_geometry().h;
 126         tpanel->set_position(0, y-tpanel->get_geometry().h);
 127         train_panels.push_back(tpanel);
 128         tpanel->set_visible(true);
 129
 130         place_train(*train);
 131
 132         return train;
 133 }
 134
 135 void Engineer::place_train(Train &train)
 136 {
 137         placing_train=&train;
 138         placing_block=0;
 139         main_panel->set_status_text("Select location");
 140 }
 141
 142 int Engineer::main()
 143 {
 144         dpy=new Graphics::Display;
 145
 146         Graphics::WindowOptions wopt;
 147         wopt.width=screen_w;
 148         wopt.height=screen_h;
 149         wopt.fullscreen=fullscreen;
 150         wnd=new Graphics::Window(*dpy, wopt);
 151
 152         Graphics::GLOptions glopt;
 153         //glopt.multisample=4;
 154         glc=new Graphics::GLContext(*wnd, glopt);
 155
 156         wnd->signal_close.connect(sigc::bind(sigc::mem_fun(this, &Engineer::exit), 0));
 157         wnd->signal_button_press.connect(sigc::mem_fun(this, &Engineer::button_press));
 158         wnd->signal_button_release.connect(sigc::mem_fun(this, &Engineer::button_release));
 159         wnd->signal_pointer_motion.connect(sigc::mem_fun(this, &Engineer::pointer_motion));
 160
 161         glEnableClientState(GL_VERTEX_ARRAY);
 162         glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
 163         glEnable(GL_COLOR_MATERIAL);
 164         glDepthFunc(GL_LEQUAL);
 165         glEnable(GL_BLEND);
 166         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 167
 168         DataFile::load(ui_res, "marklin.res");
 169         root=new GLtk::Root(ui_res, *wnd);
 170         root->set_visible(true);
 171
 172         list<GL::Texture *> texs=ui_res.get_list<GL::Texture>();
 173         for(list<GL::Texture *>::iterator i=texs.begin(); i!=texs.end(); ++i)
 174         {
 175                 (*i)->set_min_filter(GL::NEAREST);
 176                 (*i)->set_mag_filter(GL::NEAREST);
 177         }
 178
 179         main_panel=new MainPanel(*this, ui_res);
 180         root->add(*main_panel);
 181         main_panel->set_position(0, screen_h-main_panel->get_geometry().h);
 182         main_panel->set_visible(true);
 183
 184         const list<Train *> &trains=trfc_mgr->get_trains();
 185         int y=main_panel->get_geometry().y;
 186         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 187         {
 188                 TrainPanel *tpanel=new TrainPanel(*this, ui_res, **i);
 189                 root->add(*tpanel);
 190                 tpanel->set_position(0, y-tpanel->get_geometry().h);
 191                 train_panels.push_back(tpanel);
 192                 tpanel->set_visible(true);
 193                 y-=tpanel->get_geometry().h;
 194         }
 195
 196         wnd->show();
 197
 198         Application::main();
 199
 200         delete glc;
 201         delete wnd;
 202         delete dpy;
 203
 204         return exit_code;
 205 }
 206
 207 void Engineer::tick()
 208 {
 209         dpy->tick();
 210
 211         control.tick();
 212         trfc_mgr->tick();
 213
 214         glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 215
 216         project_3d();
 217         glLoadIdentity();
 218         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 219         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 220
 221         if(!no_lighting)
 222         {
 223                 glEnable(GL_LIGHTING);
 224                 glEnable(GL_LIGHT0);
 225                 float params[4];
 226                 params[0]=0;
 227                 params[1]=-0.2;
 228                 params[2]=1;
 229                 params[3]=0;
 230                 glLightfv(GL_LIGHT0, GL_POSITION, params);
 231         }
 232
 233         //glEnable(GL_DEPTH_TEST);
 234         glEnable(GL_MULTISAMPLE);
 235
 236         layout_3d.render();
 237
 238         glDisable(GL_LIGHTING);
 239         glColor4f(1, 1, 1, 1);
 240         const list<Track3D *> &ltracks=layout_3d.get_tracks();
 241         for(list<Track3D *>::const_iterator i=ltracks.begin(); i!=ltracks.end(); ++i)
 242         {
 243                 Track &track=(*i)->get_track();
 244                 if(track.get_turnout_id())
 245                 {
 246                         Turnout &trnt=control.get_turnout(track.get_turnout_id());
 247                         (*i)->render_route(trnt.get_route());
 248                 }
 249                 else
 250                         (*i)->render_route(-1);
 251         }
 252
 253         if(placing_train && placing_block)
 254         {
 255                 GL::push_matrix();
 256
 257                 const Marklin::Block::Endpoint &bep=placing_block->get_endpoints()[placing_entry];
 258                 float rot=bep.track->get_endpoint_direction(bep.track_ep);
 259                 Point pos=bep.track->get_endpoint_position(bep.track_ep);
 260
 261                 GL::translate(pos.x, pos.y, pos.z+0.03);
 262                 GL::rotate(rot*180/M_PI+180, 0, 0, 1);
 263                 GL::Texture::unbind();
 264
 265                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 266                 imm.color(1.0f, 1.0f, 1.0f);
 267                 imm.begin(GL::TRIANGLE_FAN);
 268                 imm.vertex(0.08,   0);
 269                 imm.vertex(0.05,   0.03);
 270                 imm.vertex(0.05,   0.01);
 271                 imm.vertex(0,      0.01);
 272                 imm.vertex(0,     -0.01);
 273                 imm.vertex(0.05,  -0.01);
 274                 imm.vertex(0.05,  -0.03);
 275                 imm.end();
 276
 277                 GL::pop_matrix();
 278         }
 279
 280         const list<Train *> &trains=trfc_mgr->get_trains();
 281         for(list<Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
 282         {
 283                 GL::PushMatrix _push;
 284
 285                 const Point &tp=(*i)->get_position();
 286                 GL::translate(tp.x, tp.y, 0.02);
 287                 GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
 288                 imm.color(0.8f, 0.8f, 1.0f);
 289                 imm.begin(GL::TRIANGLE_FAN);
 290                 imm.vertex(0, 0);
 291                 for(unsigned j=0; j<=12; ++j)
 292                         imm.vertex(0.02*cos(j*M_PI/6), 0.02*sin(j*M_PI/6));
 293                 imm.end();
 294
 295                 GL::rotate(cam_rot*180/M_PI, 0, 0, 1);
 296                 GL::translate(0.03, -0.02, 0);
 297                 GL::scale_uniform(0.04);
 298                 ui_res.get_default_font().draw_string((*i)->get_name());
 299                 GL::Texture::unbind();
 300         }
 301
 302         GL::matrix_mode(GL::PROJECTION);
 303         GL::load_identity();
 304         GL::ortho_bottomleft(screen_w, screen_h);
 305         GL::matrix_mode(GL::MODELVIEW);
 306         GL::load_identity();
 307
 308         glDisable(GL_DEPTH_TEST);
 309         glDisable(GL_LIGHTING);
 310         glDisable(GL_MULTISAMPLE);
 311
 312         root->render();
 313
 314         if(train_prop_stale)
 315         {
 316                 delete train_prop;
 317                 train_prop=0;
 318         }
 319
 320         glc->swap_buffers();
 321 }
 322
 323 void Engineer::key_press(unsigned key, unsigned mod, wchar_t ch)
 324 {
 325         if(train_prop)
 326                 train_prop->key_press(key, mod, ch);
 327 }
 328
 329 void Engineer::button_press(int x, int y, unsigned btn, unsigned)
 330 {
 331         if(placing_train)
 332         {
 333                 if(btn==1 && placing_block && !placing_block->get_train())
 334                 {
 335                         set_block_color(*placing_block, GL::Color(1, 1, 1));
 336
 337                         placing_train->place(placing_block, placing_entry);
 338                         placing_train=0;
 339                         main_panel->set_status_text(string());
 340                 }
 341                 else if(btn==3)
 342                 {
 343                         const vector<Block::Endpoint> &endpoints=placing_block->get_endpoints();
 344                         placing_entry=(placing_entry+1)%endpoints.size();
 345                 }
 346         }
 347         else
 348         {
 349                 Track3D *track=pick_track(x, screen_h-y-1);
 350                 if(track)
 351                 {
 352                         if(unsigned tid=track->get_track().get_turnout_id())
 353                         {
 354                                 Turnout &turnout=control.get_turnout(tid);
 355                                 turnout.set_route((turnout.get_route()+1)%track->get_track().get_type().get_n_routes());
 356                         }
 357                         else if(simulate)
 358                         {
 359                                 if(unsigned sid=track->get_track().get_sensor_id())
 360                                 {
 361                                         Sensor &sensor=control.get_sensor(sid);
 362                                         control.signal_sensor_event.emit(sid, !sensor.get_state());
 363                                 }
 364                         }
 365                 }
 366         }
 367 }
 368
 369 void Engineer::button_release(int, int, unsigned, unsigned)
 370 {
 371 }
 372
 373 void Engineer::pointer_motion(int x, int y)
 374 {
 375         if(placing_train)
 376         {
 377                 Track3D *track=pick_track(x, screen_h-y-1);
 378                 if(track && placing_train)
 379                 {
 380                         Block &block=trfc_mgr->get_block_by_track(track->get_track());
 381                         if(&block!=placing_block)
 382                         {
 383                                 if(placing_block)
 384                                         reset_block_color(*placing_block);
 385                                 placing_block=&block;
 386                                 placing_entry=0;
 387                                 set_block_color(*placing_block, GL::Color(0.5, 1, 0.7));
 388                         }
 389                 }
 390                 else if(track && track->get_track().get_turnout_id())
 391                         main_panel->set_status_text(format("Turnout %d", track->get_track().get_turnout_id()));
 392                 else if(!placing_train)
 393                         main_panel->set_status_text(string());
 394         }
 395 }
 396
 397 void Engineer::view_all()
 398 {
 399         const list<Track3D *> &tracks=layout_3d.get_tracks();
 400
 401         cam_rot=0;
 402         float best_height=-1;
 403         float mid_x=0;
 404         float mid_y=0;
 405         for(float angle=0; angle<M_PI; angle+=0.01)
 406         {
 407                 float min_x=0;
 408                 float max_x=0;
 409                 float min_y=0;
 410                 float max_y=0;
 411                 for(list<Track3D *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 412                 {
 413                         Point minp, maxp;
 414                         (*i)->get_bounds(angle, minp, maxp);
 415                         min_x=min(min_x, minp.x);
 416                         max_x=max(max_x, maxp.x);
 417                         min_y=min(min_y, minp.y);
 418                         max_y=max(max_y, maxp.y);
 419                 }
 420
 421                 float width=max_x-min_x;
 422                 float height=max_y-min_y;
 423                 height=max(height, width);
 424
 425                 if(height<best_height || best_height<0)
 426                 {
 427                         cam_rot=angle;
 428                         best_height=height;
 429                         mid_x=(min_x+max_x)/2;
 430                         mid_y=(min_y+max_y)/2;
 431                 }
 432         }
 433
 434         float c=cos(cam_rot);
 435         float s=sin(cam_rot);
 436         cam_pos.x=c*mid_x-s*mid_y;
 437         cam_pos.y=s*mid_x+c*mid_y;
 438         cam_pos.z=max(best_height*1.05/0.82843, 0.15);
 439 }
 440
 441 void Engineer::set_block_color(const Block &block, const GL::Color &color)
 442 {
 443         const set<Track *> &tracks=block.get_tracks();
 444         for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
 445                 layout_3d.get_track(**i).set_color(color);
 446 }
 447
 448 void Engineer::reset_block_color(const Block &block)
 449 {
 450         if(unsigned sid=block.get_sensor_id())
 451         {
 452                 Sensor &sensor=control.get_sensor(sid);
 453                 if(sensor.get_state())
 454                 {
 455                         set_block_color(block, GL::Color(1, 0.5, 0.3));
 456                         return;
 457                 }
 458         }
 459
 460         if(block.get_train())
 461                 set_block_color(block, GL::Color(1, 1, 0.3));
 462         else
 463                 set_block_color(block, GL::Color(1, 1, 1));
 464 }
 465
 466 void Engineer::sensor_event(bool, Sensor *sensor)
 467 {
 468         const list<Block *> &blocks=trfc_mgr->get_blocks();
 469         for(list<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
 470                 if((*i)->get_sensor_id()==sensor->get_address())
 471                         reset_block_color(**i);
 472 }
 473
 474 void Engineer::block_reserved(const Block &block, const Train *)
 475 {
 476         reset_block_color(block);
 477 }
 478
 479 void Engineer::project_3d()
 480 {
 481         glMatrixMode(GL_PROJECTION);
 482         glLoadIdentity();
 483         float offset=200.0/screen_w*0.055228;
 484         glFrustum(-0.055228-offset, 0.055228-offset, -0.041421, 0.041421, 0.1, 10);
 485         glMatrixMode(GL_MODELVIEW);
 486 }
 487
 488 Track3D *Engineer::pick_track(int x, int y)
 489 {
 490         float xx=(static_cast<float>(x-static_cast<int>(screen_w)/2-100)/screen_h)*0.82843;
 491         float yy=(static_cast<float>(y)/screen_h-0.5)*0.82843;
 492         float size=4.0/screen_h*0.82843;
 493
 494         project_3d();
 495         glLoadIdentity();
 496         glRotatef(-cam_rot*180/M_PI, 0, 0, 1);
 497         glTranslatef(-cam_pos.x, -cam_pos.y, -cam_pos.z);
 498
 499         return layout_3d.pick_track(xx, yy, size);
 500 }
 501
 502 void Engineer::dismiss_train_prop()
 503 {
 504         train_prop_stale=true;
 505 }
 506
 507 Application::RegApp<Engineer> Engineer::reg;