source/engineer/engineer.cpp

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