source/libr2c2/vehicletype.cpp

   1 #include <msp/core/maputils.h>
   2 #include <msp/geometry/box.h>
   3 #include <msp/geometry/transformedshape.h>
   4 #include <msp/strings/regex.h>
   5 #include <msp/strings/format.h>
   6 #include "vehicletype.h"
   7
   8 using namespace std;
   9 using namespace Msp;
  10
  11 namespace R2C2 {
  12
  13 VehicleType::VehicleType(const ArticleNumber &an):
  14         ObjectType(an),
  15         locomotive(false),
  16         swap_direction(false),
  17         length(0),
  18         width(0),
  19         height(0),
  20         rotate_object(false),
  21         max_speed(0)
  22 { }
  23
  24 unsigned VehicleType::get_max_function() const
  25 {
  26         if(functions.empty())
  27                 return 0;
  28         return (--functions.end())->first;
  29 }
  30
  31 const VehicleType::Axle &VehicleType::get_axle(unsigned i) const
  32 {
  33         if(i>=axles.size())
  34                 throw out_of_range("VehicleType::get_axle");
  35         return axles[i];
  36 }
  37
  38 const VehicleType::Axle &VehicleType::get_fixed_axle(unsigned i) const
  39 {
  40         if(i>=fixed_axles.size())
  41                 throw out_of_range("VehicleType::get_fixed_axle");
  42         return *fixed_axles[i];
  43 }
  44
  45 const VehicleType::Bogie &VehicleType::get_bogie(unsigned i) const
  46 {
  47         if(i>=bogies.size())
  48                 throw out_of_range("VehicleType::get_bogie");
  49         return bogies[i];
  50 }
  51
  52 const VehicleType::Axle &VehicleType::get_bogie_axle(unsigned i, unsigned j) const
  53 {
  54         if(i>=bogies.size())
  55                 throw out_of_range("VehicleType::get_bogie_axle");
  56         if(j>=bogies[i].axles.size())
  57                 throw out_of_range("VehicleType::get_bogie_axle");
  58         return *bogies[i].axles[j];
  59 }
  60
  61 const VehicleType::Rod &VehicleType::get_rod(unsigned i) const
  62 {
  63         if(i>=rods.size())
  64                 throw out_of_range("VehicleType::get_rod");
  65         return rods[i];
  66 }
  67
  68 float VehicleType::get_front_axle_offset() const
  69 {
  70         if(!axles.empty())
  71                 return axles.front().position;
  72         return length/2;
  73 }
  74
  75 float VehicleType::get_back_axle_offset() const
  76 {
  77         if(!axles.empty())
  78                 return axles.back().position;
  79         return -length/2;
  80 }
  81
  82
  83 VehicleType::Axle::Axle():
  84         index(0),
  85         bogie(0),
  86         local_position(0),
  87         position(0),
  88         wheel_dia(0),
  89         powered(false)
  90 { }
  91
  92
  93 VehicleType::Bogie::Bogie():
  94         position(0),
  95         rotate_object(false)
  96 { }
  97
  98
  99 VehicleType::Rod::Rod():
 100         mirror_object(false)
 101 { }
 102
 103
 104 VehicleType::Loader::Loader(VehicleType &vt):
 105         DataFile::DerivedObjectLoader<VehicleType, ObjectType::Loader>(vt)
 106 {
 107         add("axle",       &Loader::axle);
 108         add("bogie",      &Loader::bogie);
 109         add("function",   &Loader::function);
 110         add("height",     &Loader::height);
 111         add("length",     &Loader::length);
 112         add("locomotive", &VehicleType::locomotive);
 113         add("maximum_speed", &VehicleType::max_speed);
 114         add("mirror_rods", &Loader::mirror_rods);
 115         add("object",     &VehicleType::object);
 116         add("rod",        &Loader::rod);
 117         add("rotate_object", &VehicleType::rotate_object);
 118         add("swap_direction", &VehicleType::swap_direction);
 119         add("width",      &Loader::width);
 120 }
 121
 122 void VehicleType::Loader::finish()
 123 {
 124         for(unsigned i=0; i<obj.bogies.size(); ++i)
 125         {
 126                 obj.bogies[i].index = i;
 127                 for(unsigned j=0; j<obj.bogies[i].axles.size(); ++j)
 128                 {
 129                         obj.bogies[i].axles[j] = &obj.axles[obj.bogies[i].first_axle+j];
 130                         obj.bogies[i].axles[j]->bogie = &obj.bogies[i];
 131                         obj.bogies[i].axles[j]->position += obj.bogies[i].position;
 132                 }
 133         }
 134
 135         for(unsigned i=0; i<obj.axles.size(); ++i)
 136         {
 137                 obj.axles[i].index = i;
 138                 if(!obj.axles[i].bogie)
 139                         obj.fixed_axles.push_back(&obj.axles[i]);
 140         }
 141
 142         for(TagMap::const_iterator i=rod_tags.begin(); i!=rod_tags.end(); ++i)
 143                 if(i->second>=0x10000)
 144                         throw runtime_error(format("unresolved reference to %s\n", i->first));
 145
 146         obj.shape = new Geometry::TransformedShape<float, 3>(
 147                 Geometry::Box<float>(obj.length, obj.width, obj.height),
 148                 Transform::translation(Vector(0, 0, obj.height/2)));
 149 }
 150
 151 void VehicleType::Loader::axle()
 152 {
 153         Axle axl;
 154         load_sub(axl);
 155         obj.axles.push_back(axl);
 156 }
 157
 158 void VehicleType::Loader::bogie()
 159 {
 160         Bogie bog;
 161         Bogie::Loader ldr(obj, bog);
 162         load_sub_with(ldr);
 163         obj.bogies.push_back(bog);
 164 }
 165
 166 void VehicleType::Loader::function(unsigned i, const string &f)
 167 {
 168         obj.functions[i] = f;
 169 }
 170
 171 void VehicleType::Loader::height(float h)
 172 {
 173         obj.height = h/1000;
 174 }
 175
 176 void VehicleType::Loader::length(float l)
 177 {
 178         obj.length = l/1000;
 179 }
 180
 181 void VehicleType::Loader::mirror_rods()
 182 {
 183         MirrorParametersLoader params;
 184         load_sub_with(params);
 185         Regex r_filter(params.filter);
 186
 187         vector<unsigned> mirror_indices(obj.rods.size(), 0);
 188         for(TagMap::const_iterator i=rod_tags.begin(); i!=rod_tags.end(); ++i)
 189                 if(i->second<0x10000 && r_filter.match(i->first))
 190                         mirror_indices[i->second] = 1;
 191
 192         for(unsigned i=0, j=obj.rods.size(); i<mirror_indices.size(); ++i)
 193                 if(mirror_indices[i])
 194                         mirror_indices[i] = j++;
 195
 196         Transform axle_trans = Transform::rotation(params.phase_offset, Vector(0, 1, 0));
 197
 198         for(unsigned i=0; i<mirror_indices.size(); ++i)
 199         {
 200                 if(!mirror_indices[i])
 201                         continue;
 202
 203                 Rod mr = obj.rods[i];
 204                 mr.initial_position.y = -mr.initial_position.y;
 205                 mr.mirror_object = !mr.mirror_object;
 206                 for(vector<RodConstraint>::iterator j=mr.constraints.begin(); j!=mr.constraints.end(); ++j)
 207                 {
 208                         j->target_position.y = -j->target_position.y;
 209                         j->local_position.y = -j->local_position.y;
 210                         j->axis.y = -j->axis.y;
 211                         if(j->target==RodConstraint::ROD && mirror_indices[j->target_index])
 212                                 j->target_index = mirror_indices[j->target_index];
 213                         else if(j->target==RodConstraint::AXLE)
 214                                 j->target_position = axle_trans.transform(j->target_position);
 215                 }
 216
 217                 obj.rods.push_back(mr);
 218         }
 219 }
 220
 221 void VehicleType::Loader::rod(const string &t)
 222 {
 223         Rod rd;
 224         Rod::Loader ldr(rd, rod_tags);
 225         load_sub_with(ldr);
 226
 227         unsigned n = obj.rods.size();
 228         if(rod_tags.count(t))
 229         {
 230                 unsigned p = rod_tags[t];
 231                 for(vector<Rod>::iterator i=obj.rods.begin(); i!=obj.rods.end(); ++i)
 232                         for(vector<RodConstraint>::iterator j=i->constraints.begin(); j!=i->constraints.end(); ++j)
 233                                 if(j->target_index==p)
 234                                         j->target_index = n;
 235         }
 236         rod_tags[t] = n;
 237         obj.rods.push_back(rd);
 238 }
 239
 240 void VehicleType::Loader::width(float w)
 241 {
 242         obj.width = w/1000;
 243 }
 244
 245
 246 VehicleType::Axle::Loader::Loader(Axle &a):
 247         DataFile::ObjectLoader<Axle>(a)
 248 {
 249         add("object",         &Axle::object);
 250         add("position",       &Loader::position);
 251         add("powered",        &Axle::powered);
 252         add("wheel_diameter", &Loader::wheel_diameter);
 253 }
 254
 255 void VehicleType::Axle::Loader::position(float p)
 256 {
 257         obj.local_position = p/1000;
 258         obj.position = obj.local_position;
 259 }
 260
 261 void VehicleType::Axle::Loader::wheel_diameter(float d)
 262 {
 263         obj.wheel_dia = d/1000;
 264 }
 265
 266
 267 VehicleType::Bogie::Loader::Loader(VehicleType &t, Bogie &b):
 268         DataFile::ObjectLoader<Bogie>(b),
 269         parent(t)
 270 {
 271         add("axle",          &Loader::axle);
 272         add("object",        &Bogie::object);
 273         add("position",      &Loader::position);
 274         add("rotate_object", &Bogie::rotate_object);
 275 }
 276
 277 void VehicleType::Bogie::Loader::axle()
 278 {
 279         Axle axl;
 280         load_sub(axl);
 281         if(obj.axles.empty())
 282                 obj.first_axle = parent.axles.size();
 283         parent.axles.push_back(axl);
 284         // Actual pointers will be filled after everything is loaded
 285         obj.axles.push_back(0);
 286 }
 287
 288 void VehicleType::Bogie::Loader::position(float p)
 289 {
 290         obj.position = p/1000;
 291 }
 292
 293
 294 VehicleType::RodConstraint::RodConstraint():
 295         type(MOVE),
 296         target(BODY),
 297         target_index(0)
 298 { }
 299
 300
 301 VehicleType::RodConstraint::Loader::Loader(RodConstraint &c, TagMap &t):
 302         DataFile::ObjectLoader<RodConstraint>(c),
 303         tags(t)
 304 {
 305         add("axis",            &Loader::axis);
 306         add("local_position",  &Loader::local_position);
 307         add("target_axle",     &Loader::target_axle);
 308         add("target_position", &Loader::target_position);
 309         add("target_rod",      &Loader::target_rod);
 310 }
 311
 312 void VehicleType::RodConstraint::Loader::axis(float x, float y, float z)
 313 {
 314         obj.axis = Vector(x, y, z);
 315         obj.axis.normalize();
 316 }
 317
 318 void VehicleType::RodConstraint::Loader::local_position(float x, float y, float z)
 319 {
 320         obj.local_position = Vector(x/1000, y/1000, z/1000);
 321 }
 322
 323 void VehicleType::RodConstraint::Loader::target_axle(unsigned i)
 324 {
 325         obj.target = AXLE;
 326         obj.target_index = i;
 327         // TODO check range
 328 }
 329
 330 void VehicleType::RodConstraint::Loader::target_position(float x, float y, float z)
 331 {
 332         obj.target_position = Vector(x/1000, y/1000, z/1000);
 333 }
 334
 335 void VehicleType::RodConstraint::Loader::target_rod(const string &n)
 336 {
 337         obj.target = ROD;
 338         TagMap::iterator i = tags.find(n);
 339         if(i!=tags.end())
 340                 obj.target_index = i->second;
 341         else
 342         {
 343                 obj.target_index = 0x10000+tags.size();
 344                 tags[n] = obj.target_index;
 345         }
 346 }
 347
 348
 349 VehicleType::Rod::Loader::Loader(Rod &r, TagMap &t):
 350         DataFile::ObjectLoader<Rod>(r),
 351         tags(t)
 352 {
 353         add("initial_position", &Loader::initial_position);
 354         add("mirror_object", &Rod::mirror_object);
 355         add("move", &Loader::constraint<RodConstraint::MOVE>);
 356         add("object", &Rod::object);
 357         add("rotate", &Loader::constraint<RodConstraint::ROTATE>);
 358         add("slide", &Loader::constraint<RodConstraint::SLIDE>);
 359 }
 360
 361 template<VehicleType::RodConstraint::Type t>
 362 void VehicleType::Rod::Loader::constraint()
 363 {
 364         RodConstraint cns;
 365         cns.type = t;
 366         load_sub(cns, tags);
 367         obj.constraints.push_back(cns);
 368 }
 369
 370 void VehicleType::Rod::Loader::initial_position(float x, float y, float z)
 371 {
 372         obj.initial_position = Vector(x/1000, y/1000, z/1000);
 373 }
 374
 375
 376 VehicleType::MirrorParametersLoader::MirrorParametersLoader()
 377 {
 378         add("filter", &MirrorParametersLoader::filt);
 379         add("phase_offset", &MirrorParametersLoader::phase_offs);
 380 }
 381
 382 void VehicleType::MirrorParametersLoader::filt(const string &f)
 383 {
 384         filter = f;
 385 }
 386
 387 void VehicleType::MirrorParametersLoader::phase_offs(float o)
 388 {
 389         phase_offset = Angle::from_degrees(o);
 390 }
 391
 392 } // namespace R2C2