6 #include <msp/fs/stat.h>
7 #include <msp/fs/utils.h>
8 #include <msp/graphics/display.h>
9 #include <msp/graphics/window.h>
10 #include <msp/gl/blend.h>
11 #include <msp/gl/framebuffer.h>
12 #include <msp/gl/matrix.h>
13 #include <msp/gl/misc.h>
14 #include <msp/gl/tests.h>
15 #include <msp/io/print.h>
16 #include <msp/strings/format.h>
17 #include <msp/time/units.h>
18 #include <msp/time/utils.h>
19 #include "libr2c2/driver.h"
20 #include "libr2c2/trackcircuit.h"
21 #include "libr2c2/tracktype.h"
22 #include "3d/allocation.h"
25 #include "3d/trackcircuit.h"
26 #include "3d/vehicle.h"
28 #include "mainwindow.h"
29 #include "traindialog.h"
30 #include "trainview.h"
36 Engineer::Engineer(int argc, char **argv):
38 window(options.screen_w, options.screen_h, options.fullscreen),
42 layout(catalogue, (options.driver.empty() ? 0 : Driver::create(options.driver))),
45 main_view(layout_3d, window.get_width(), window.get_height())
48 window.set_title("Railroad Engineer");
49 window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Engineer::exit), 0));
51 root = new GLtk::Root(ui_res, &window, &keyboard, &mouse);
52 mouse.signal_button_press.connect(sigc::bind_return(sigc::mem_fun(this, &Engineer::button_press), false));
53 mouse.signal_axis_motion.connect(sigc::bind_return(sigc::mem_fun(this, &Engineer::axis_motion), false));
54 root->set_visible(true);
56 main_wnd = new MainWindow(*this);
59 main_wnd->set_position(0, window.get_height()-main_wnd->get_geometry().h);
61 overlay = new Overlay3D(ui_res.get_default_font());
63 // Setup railroad control
64 DataFile::load(catalogue, "tracks.dat");
65 DataFile::load(catalogue, "locos.dat");
66 DataFile::load(catalogue, "wagons.dat");
67 DataFile::load(layout, options.layout_fn);
69 layout.signal_train_added.connect(sigc::mem_fun(this, &Engineer::train_added));
70 layout.signal_emergency.connect(sigc::mem_fun(this, &Engineer::set_status));
71 const set<Block *> &blocks = layout.get_all<Block>();
72 for(set<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
73 if(TrackCircuit *tc = (*i)->get_sensor())
74 new TrackCircuit3D(layout_3d, *tc);
76 const set<Track *> &tracks = layout.get_all<Track>();
77 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
78 if((*i)->get_type().is_turnout())
79 new Path3D(layout_3d.get<Track3D>(**i));
81 if(FS::exists(options.state_fn))
82 DataFile::load(layout, options.state_fn);
86 server = new Server(layout);
87 server->use_event_dispatcher(event_disp);
91 GL::Pipeline &pipeline = main_view.get_pipeline();
93 GL::Pipeline::Pass *pass = &pipeline.add_pass("unlit");
94 pass->set_depth_test(&GL::DepthTest::lequal());
95 pipeline.add_renderable_for_pass(layout_3d.get_path_scene(), "unlit");
97 pass = &pipeline.add_pass("overlay");
98 pass->set_blend(&GL::Blend::alpha());
99 pipeline.add_renderable_for_pass(*overlay, "overlay");
103 // Catch various signals so we can stop the trains in case we get terminated
104 catch_signal(SIGINT);
105 catch_signal(SIGTERM);
106 catch_signal(SIGSEGV);
107 catch_signal(SIGILL);
108 catch_signal(SIGFPE);
109 catch_signal(SIGABRT);
112 Engineer::~Engineer()
114 const map<unsigned, Train *> &trains = layout.get_trains();
115 for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
116 layout.get_driver().set_loco_speed(i->first, 0);
117 layout.get_driver().flush();
119 if(!options.simulate)
121 layout.save_dynamic(options.state_fn+".tmp");
122 FS::rename(options.state_fn+".tmp", options.state_fn);
131 void Engineer::set_status(const string &text)
133 main_wnd->set_status_text(text);
134 status_timeout = Time::now()+10*Time::sec;
137 void Engineer::add_train_view(TrainView &tv)
139 train_views.push_back(&tv);
142 void Engineer::remove_train_view(TrainView &tv)
144 train_views.erase(remove(train_views.begin(), train_views.end(), &tv), train_views.end());
151 return Application::main();
154 void Engineer::tick()
156 window.get_display().tick();
158 for(list<Train *>::iterator i=new_trains.begin(); i!=new_trains.end(); ++i)
159 process_new_train(**i);
163 event_disp.tick(Time::zero);
165 for(list<TrainView *>::iterator i=train_views.begin(); i!=train_views.end(); ++i)
168 if(status_timeout && Time::now()>status_timeout)
170 main_wnd->set_status_text(string());
171 status_timeout = Time::TimeStamp();
174 GL::Framebuffer::system().clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
180 window.swap_buffers();
183 void Engineer::button_press(unsigned btn)
187 Object *obj = pick_object(pointer);
188 if(Track *track = dynamic_cast<Track *>(obj))
190 if(track->get_turnout_id())
192 Block &block = track->get_block();
193 if(block.get_train() && block.get_train()->is_block_critical(block))
194 set_status("Turnout is busy");
197 unsigned paths = track->get_type().get_paths();
198 unsigned i = track->get_active_path()+1;
199 while(!(paths&(1<<i)))
206 track->set_active_path(i);
207 set_status(format("Turnout %d", track->get_turnout_id()));
210 if(unsigned sid = track->get_sensor_id())
213 layout.get_driver().set_sensor(sid, !layout.get_driver().get_sensor(sid));
214 set_status(format("Sensor %d", sid));
217 else if(Vehicle *veh = dynamic_cast<Vehicle *>(obj))
219 TrainDialog *dlg = new TrainDialog(*this, *veh->get_train());
226 void Engineer::axis_motion(unsigned axis, float value, float)
234 void Engineer::view_all()
236 const Layout3D::ObjectMap &objects = layout_3d.get_all();
238 float view_aspect = float(window.get_width())/window.get_height();
239 float view_height = tan(main_view.get_camera().get_field_of_view()/2.0f)*2.0f;
240 float best_score = 0;
243 for(Angle angle; angle<Angle::half_turn(); angle+=Angle::from_radians(0.01))
245 Transform trans = Transform::rotation(-angle, Vector(0, 0, 1));
247 for(Layout3D::ObjectMap::const_iterator i=objects.begin(); i!=objects.end(); ++i)
248 bbox = bbox|trans.transform(i->second->get_object().get_bounding_box());
250 const Vector &minp = bbox.get_minimum_point();
251 const Vector &maxp = bbox.get_maximum_point();
253 float width = maxp.x-minp.x;
254 float height = maxp.y-minp.y;
255 float aspect = width/height;
256 float score = min(aspect/view_aspect, view_aspect/aspect);
262 float size = max(width/view_aspect, height);
263 float c = cos(angle);
264 float s = sin(angle);
265 float x = (minp.x+maxp.x)/2;
266 float y = (minp.y+maxp.y)/2;
267 float z = max(size*1.05/view_height, 0.15);
269 pos = GL::Vector3(c*x-s*y, s*x+c*y, z);
270 up = GL::Vector3(-s, c, 0);
274 GL::Camera &camera = main_view.get_camera();
275 camera.set_position(pos);
276 camera.set_up_direction(up);
277 camera.set_look_direction(GL::Vector3(0, 0, -1));
278 camera.set_aspect(float(window.get_width())/window.get_height());
279 camera.set_depth_clip(pos.z*0.5, pos.z*1.5);
282 Object *Engineer::pick_object(const Vector &p)
284 const GL::Vector3 &start = main_view.get_camera().get_position();
285 GL::Vector4 ray = main_view.get_camera().unproject(GL::Vector4(p.x, p.y, 0, 0));
287 // XXX Do this better; make this function a template?
288 if(Vehicle *veh = layout.pick<Vehicle>(Ray(start, Vector(ray))))
290 return layout.pick<Track>(Ray(start, Vector(ray)));
293 void Engineer::process_new_train(Train &train)
295 Vehicle3D &loco3d = layout_3d.get<Vehicle3D>(train.get_vehicle(0));
296 overlay->set_label(loco3d, train.get_name());
297 train.signal_name_changed.connect(sigc::bind<0>(sigc::mem_fun(overlay, &Overlay3D::set_label), sigc::ref(loco3d)));
300 void Engineer::train_added(Train &train)
302 new_trains.push_back(&train);
304 GL::Color best_color;
306 for(unsigned i=0; i<10; ++i)
309 unsigned h = rand()%3;
310 color.r = (h==0 ? 0.0 : rand()*1.0/RAND_MAX);
311 color.g = (h==1 ? 0.0 : rand()*1.0/RAND_MAX);
312 color.b = (h==2 ? 0.0 : rand()*1.0/RAND_MAX);
313 color = color*(1/max(max(color.r, color.g), color.b));
315 for(map<Train *, GL::Color>::const_iterator j=train_colors.begin(); j!=train_colors.end(); ++j)
317 float dr = color.r-j->second.r;
318 float dg = color.g-j->second.g;
319 float db = color.b-j->second.b;
320 float d_sq = dr*dr+dg*dg+db*db;
324 if(min_d_sq>best_d_sq)
327 best_d_sq = min_d_sq;
330 train_colors[&train] = best_color;
332 Allocation3D *alloc = new Allocation3D(layout_3d, train);
333 alloc->set_color(best_color);
336 void Engineer::sighandler(int sig)
338 if(sig==SIGSEGV || sig==SIGILL || sig==SIGFPE || sig==SIGABRT)
340 signal(sig, SIG_DFL);
341 IO::print(IO::cerr, "Fatal signal received, terminating\n");
342 const map<unsigned, Train *> &trains = layout.get_trains();
343 for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
344 layout.get_driver().set_loco_speed(i->first, 0);
345 layout.get_driver().flush();
348 else if(sig==SIGTERM || sig==SIGINT)