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