00001
00002
00003
00004
00005
00006
00007
00008
00009
00012 #include "stdafx.h"
00013 #include "train.h"
00014 #include "roadveh.h"
00015 #include "newgrf_engine.h"
00016 #include "vehicle_func.h"
00017 #include "engine_base.h"
00018 #include "engine_func.h"
00019
00020 #include "table/strings.h"
00021 #include "table/sprites.h"
00022
00023 static const uint MAX_ARTICULATED_PARTS = 100;
00024
00033 static EngineID GetNextArticPart(uint index, EngineID front_type, Vehicle *front = NULL, bool *mirrored = NULL)
00034 {
00035 assert(front == NULL || front->engine_type == front_type);
00036
00037 uint16 callback = GetVehicleCallback(CBID_VEHICLE_ARTIC_ENGINE, index, 0, front_type, front);
00038 if (callback == CALLBACK_FAILED || GB(callback, 0, 8) == 0xFF) return INVALID_ENGINE;
00039
00040 if (mirrored != NULL) *mirrored = HasBit(callback, 7);
00041 return GetNewEngineID(GetEngineGRF(front_type), Engine::Get(front_type)->type, GB(callback, 0, 7));
00042 }
00043
00044 uint CountArticulatedParts(EngineID engine_type, bool purchase_window)
00045 {
00046 if (!HasBit(EngInfo(engine_type)->callback_mask, CBM_VEHICLE_ARTIC_ENGINE)) return 0;
00047
00048
00049
00050 if (!Vehicle::CanAllocateItem()) return 0;
00051
00052 Vehicle *v = NULL;
00053 if (!purchase_window) {
00054 v = new Vehicle();
00055 v->engine_type = engine_type;
00056 }
00057
00058 uint i;
00059 for (i = 1; i < MAX_ARTICULATED_PARTS; i++) {
00060 if (GetNextArticPart(i, engine_type, v) == INVALID_ENGINE) break;
00061 }
00062
00063 delete v;
00064
00065 return i - 1;
00066 }
00067
00068
00075 static inline uint16 GetVehicleDefaultCapacity(EngineID engine, CargoID *cargo_type)
00076 {
00077 const Engine *e = Engine::Get(engine);
00078 CargoID cargo = (e->CanCarryCargo() ? e->GetDefaultCargoType() : (CargoID)CT_INVALID);
00079 if (cargo_type != NULL) *cargo_type = cargo;
00080 if (cargo == CT_INVALID) return 0;
00081 return e->GetDisplayDefaultCapacity();
00082 }
00083
00090 static inline uint32 GetAvailableVehicleCargoTypes(EngineID engine, bool include_initial_cargo_type)
00091 {
00092 uint32 cargos = 0;
00093 CargoID initial_cargo_type;
00094
00095 if (GetVehicleDefaultCapacity(engine, &initial_cargo_type) > 0) {
00096 const EngineInfo *ei = EngInfo(engine);
00097 cargos = ei->refit_mask;
00098 if (include_initial_cargo_type && initial_cargo_type < NUM_CARGO) SetBit(cargos, initial_cargo_type);
00099 }
00100
00101 return cargos;
00102 }
00103
00104 CargoArray GetCapacityOfArticulatedParts(EngineID engine)
00105 {
00106 CargoArray capacity;
00107 const Engine *e = Engine::Get(engine);
00108
00109 CargoID cargo_type;
00110 uint16 cargo_capacity = GetVehicleDefaultCapacity(engine, &cargo_type);
00111 if (cargo_type < NUM_CARGO) capacity[cargo_type] = cargo_capacity;
00112
00113 if (e->type != VEH_TRAIN && e->type != VEH_ROAD) return capacity;
00114
00115 if (!HasBit(e->info.callback_mask, CBM_VEHICLE_ARTIC_ENGINE)) return capacity;
00116
00117 for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
00118 EngineID artic_engine = GetNextArticPart(i, engine);
00119 if (artic_engine == INVALID_ENGINE) break;
00120
00121 cargo_capacity = GetVehicleDefaultCapacity(artic_engine, &cargo_type);
00122 if (cargo_type < NUM_CARGO) capacity[cargo_type] += cargo_capacity;
00123 }
00124
00125 return capacity;
00126 }
00127
00133 bool IsArticulatedVehicleRefittable(EngineID engine)
00134 {
00135 if (IsEngineRefittable(engine)) return true;
00136
00137 const Engine *e = Engine::Get(engine);
00138 if (e->type != VEH_TRAIN && e->type != VEH_ROAD) return false;
00139
00140 if (!HasBit(e->info.callback_mask, CBM_VEHICLE_ARTIC_ENGINE)) return false;
00141
00142 for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
00143 EngineID artic_engine = GetNextArticPart(i, engine);
00144 if (artic_engine == INVALID_ENGINE) break;
00145
00146 if (IsEngineRefittable(artic_engine)) return true;
00147 }
00148
00149 return false;
00150 }
00151
00159 void GetArticulatedRefitMasks(EngineID engine, bool include_initial_cargo_type, uint32 *union_mask, uint32 *intersection_mask)
00160 {
00161 const Engine *e = Engine::Get(engine);
00162 uint32 veh_cargos = GetAvailableVehicleCargoTypes(engine, include_initial_cargo_type);
00163 *union_mask = veh_cargos;
00164 *intersection_mask = (veh_cargos != 0) ? veh_cargos : UINT32_MAX;
00165
00166 if (e->type != VEH_TRAIN && e->type != VEH_ROAD) return;
00167 if (!HasBit(e->info.callback_mask, CBM_VEHICLE_ARTIC_ENGINE)) return;
00168
00169 for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
00170 EngineID artic_engine = GetNextArticPart(i, engine);
00171 if (artic_engine == INVALID_ENGINE) break;
00172
00173 veh_cargos = GetAvailableVehicleCargoTypes(artic_engine, include_initial_cargo_type);;
00174 *union_mask |= veh_cargos;
00175 if (veh_cargos != 0) *intersection_mask &= veh_cargos;
00176 }
00177 }
00178
00185 uint32 GetUnionOfArticulatedRefitMasks(EngineID engine, bool include_initial_cargo_type)
00186 {
00187 uint32 union_mask, intersection_mask;
00188 GetArticulatedRefitMasks(engine, include_initial_cargo_type, &union_mask, &intersection_mask);
00189 return union_mask;
00190 }
00191
00198 uint32 GetIntersectionOfArticulatedRefitMasks(EngineID engine, bool include_initial_cargo_type)
00199 {
00200 uint32 union_mask, intersection_mask;
00201 GetArticulatedRefitMasks(engine, include_initial_cargo_type, &union_mask, &intersection_mask);
00202 return intersection_mask;
00203 }
00204
00205
00213 bool IsArticulatedVehicleCarryingDifferentCargos(const Vehicle *v, CargoID *cargo_type)
00214 {
00215 CargoID first_cargo = CT_INVALID;
00216
00217 do {
00218 if (v->cargo_cap > 0 && v->cargo_type != CT_INVALID) {
00219 if (first_cargo == CT_INVALID) first_cargo = v->cargo_type;
00220 if (first_cargo != v->cargo_type) {
00221 if (cargo_type != NULL) *cargo_type = CT_INVALID;
00222 return true;
00223 }
00224 }
00225
00226 switch (v->type) {
00227 case VEH_TRAIN:
00228 v = Train::From(v)->HasArticulatedPart() ? Train::From(v)->GetNextArticPart() : NULL;
00229 break;
00230
00231 case VEH_ROAD:
00232 v = RoadVehicle::From(v)->HasArticulatedPart() ? v->Next() : NULL;
00233 break;
00234
00235 default:
00236 v = NULL;
00237 break;
00238 }
00239 } while (v != NULL);
00240
00241 if (cargo_type != NULL) *cargo_type = first_cargo;
00242 return false;
00243 }
00244
00253 void CheckConsistencyOfArticulatedVehicle(const Vehicle *v)
00254 {
00255 const Engine *engine = Engine::Get(v->engine_type);
00256
00257 uint32 purchase_refit_union, purchase_refit_intersection;
00258 GetArticulatedRefitMasks(v->engine_type, true, &purchase_refit_union, &purchase_refit_intersection);
00259 CargoArray purchase_default_capacity = GetCapacityOfArticulatedParts(v->engine_type);
00260
00261 uint32 real_refit_union = 0;
00262 uint32 real_refit_intersection = UINT_MAX;
00263 CargoArray real_default_capacity;
00264
00265 do {
00266 uint32 refit_mask = GetAvailableVehicleCargoTypes(v->engine_type, true);
00267 real_refit_union |= refit_mask;
00268 if (refit_mask != 0) real_refit_intersection &= refit_mask;
00269
00270 assert(v->cargo_type < NUM_CARGO);
00271 real_default_capacity[v->cargo_type] += v->cargo_cap;
00272
00273 switch (v->type) {
00274 case VEH_TRAIN:
00275 v = Train::From(v)->HasArticulatedPart() ? Train::From(v)->GetNextArticPart() : NULL;
00276 break;
00277
00278 case VEH_ROAD:
00279 v = RoadVehicle::From(v)->HasArticulatedPart() ? v->Next() : NULL;
00280 break;
00281
00282 default:
00283 v = NULL;
00284 break;
00285 }
00286 } while (v != NULL);
00287
00288
00289 bool carries_more = false;
00290 for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
00291 if (real_default_capacity[cid] != 0 && purchase_default_capacity[cid] == 0) {
00292 carries_more = true;
00293 break;
00294 }
00295 }
00296
00297
00298 if (real_refit_union != purchase_refit_union || real_refit_intersection != purchase_refit_intersection || carries_more) {
00299 ShowNewGrfVehicleError(engine->index, STR_NEWGRF_BUGGY, STR_NEWGRF_BUGGY_ARTICULATED_CARGO, GBUG_VEH_REFIT, false);
00300 }
00301 }
00302
00303 void AddArticulatedParts(Vehicle *first)
00304 {
00305 VehicleType type = first->type;
00306 if (!HasBit(EngInfo(first->engine_type)->callback_mask, CBM_VEHICLE_ARTIC_ENGINE)) return;
00307
00308 Vehicle *v = first;
00309 for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
00310 bool flip_image;
00311 EngineID engine_type = GetNextArticPart(i, first->engine_type, first, &flip_image);
00312 if (engine_type == INVALID_ENGINE) return;
00313
00314
00315
00316 if (!Vehicle::CanAllocateItem()) return;
00317
00318 const Engine *e_artic = Engine::Get(engine_type);
00319 switch (type) {
00320 default: NOT_REACHED();
00321
00322 case VEH_TRAIN: {
00323 Train *front = Train::From(first);
00324 Train *t = new Train();
00325 v->SetNext(t);
00326 v = t;
00327
00328 t->subtype = 0;
00329 t->track = front->track;
00330 t->railtype = front->railtype;
00331 t->tcache.first_engine = front->engine_type;
00332
00333 t->spritenum = e_artic->u.rail.image_index;
00334 if (e_artic->CanCarryCargo()) {
00335 t->cargo_type = e_artic->GetDefaultCargoType();
00336 t->cargo_cap = e_artic->u.rail.capacity;
00337 } else {
00338 t->cargo_type = front->cargo_type;
00339 t->cargo_cap = 0;
00340 }
00341
00342 t->SetArticulatedPart();
00343 } break;
00344
00345 case VEH_ROAD: {
00346 RoadVehicle *front = RoadVehicle::From(first);
00347 RoadVehicle *rv = new RoadVehicle();
00348 v->SetNext(rv);
00349 v = rv;
00350
00351 rv->subtype = 0;
00352 rv->rcache.first_engine = front->engine_type;
00353 rv->rcache.cached_veh_length = 8;
00354 rv->state = RVSB_IN_DEPOT;
00355
00356 rv->roadtype = front->roadtype;
00357 rv->compatible_roadtypes = front->compatible_roadtypes;
00358
00359 rv->spritenum = e_artic->u.road.image_index;
00360 if (e_artic->CanCarryCargo()) {
00361 rv->cargo_type = e_artic->GetDefaultCargoType();
00362 rv->cargo_cap = e_artic->u.road.capacity;
00363 } else {
00364 rv->cargo_type = front->cargo_type;
00365 rv->cargo_cap = 0;
00366 }
00367
00368 rv->SetArticulatedPart();
00369 } break;
00370 }
00371
00372
00373 v->direction = first->direction;
00374 v->owner = first->owner;
00375 v->tile = first->tile;
00376 v->x_pos = first->x_pos;
00377 v->y_pos = first->y_pos;
00378 v->z_pos = first->z_pos;
00379 v->build_year = first->build_year;
00380 v->vehstatus = first->vehstatus & ~VS_STOPPED;
00381
00382 v->cargo_subtype = 0;
00383 v->max_speed = 0;
00384 v->max_age = 0;
00385 v->engine_type = engine_type;
00386 v->value = 0;
00387 v->cur_image = SPR_IMG_QUERY;
00388 v->random_bits = VehicleRandomBits();
00389
00390 if (flip_image) v->spritenum++;
00391
00392 VehicleMove(v, false);
00393 }
00394 }