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00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "train.h"
00015 #include "roadveh.h"
00016 #include "company_func.h"
00017 #include "newgrf.h"
00018 #include "newgrf_cargo.h"
00019 #include "newgrf_engine.h"
00020 #include "newgrf_spritegroup.h"
00021 #include "date_func.h"
00022 #include "vehicle_func.h"
00023 #include "core/random_func.hpp"
00024 #include "aircraft.h"
00025 #include "core/smallmap_type.hpp"
00026 #include "station_base.h"
00027 #include "engine_base.h"
00028 #include "company_base.h"
00029
00030 struct WagonOverride {
00031 EngineID *train_id;
00032 uint trains;
00033 CargoID cargo;
00034 const SpriteGroup *group;
00035 };
00036
00037 void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const SpriteGroup *group, EngineID *train_id, uint trains)
00038 {
00039 Engine *e = Engine::Get(engine);
00040 WagonOverride *wo;
00041
00042 assert(cargo < NUM_CARGO + 2);
00043
00044 e->overrides_count++;
00045 e->overrides = ReallocT(e->overrides, e->overrides_count);
00046
00047 wo = &e->overrides[e->overrides_count - 1];
00048 wo->group = group;
00049 wo->cargo = cargo;
00050 wo->trains = trains;
00051 wo->train_id = MallocT<EngineID>(trains);
00052 memcpy(wo->train_id, train_id, trains * sizeof *train_id);
00053 }
00054
00055 const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, EngineID overriding_engine)
00056 {
00057 const Engine *e = Engine::Get(engine);
00058
00059
00060
00061
00062
00063
00064 for (uint i = 0; i < e->overrides_count; i++) {
00065 const WagonOverride *wo = &e->overrides[i];
00066
00067 if (wo->cargo != cargo && wo->cargo != CT_DEFAULT) continue;
00068
00069 for (uint j = 0; j < wo->trains; j++) {
00070 if (wo->train_id[j] == overriding_engine) return wo->group;
00071 }
00072 }
00073 return NULL;
00074 }
00075
00079 void UnloadWagonOverrides(Engine *e)
00080 {
00081 for (uint i = 0; i < e->overrides_count; i++) {
00082 WagonOverride *wo = &e->overrides[i];
00083 free(wo->train_id);
00084 }
00085 free(e->overrides);
00086 e->overrides_count = 0;
00087 e->overrides = NULL;
00088 }
00089
00090
00091 void SetCustomEngineSprites(EngineID engine, byte cargo, const SpriteGroup *group)
00092 {
00093 Engine *e = Engine::Get(engine);
00094 assert(cargo < lengthof(e->group));
00095
00096 if (e->group[cargo] != NULL) {
00097 grfmsg(6, "SetCustomEngineSprites: engine %d cargo %d already has group -- replacing", engine, cargo);
00098 }
00099 e->group[cargo] = group;
00100 }
00101
00102
00109 void SetEngineGRF(EngineID engine, const GRFFile *file)
00110 {
00111 Engine *e = Engine::Get(engine);
00112 e->grffile = file;
00113 }
00114
00115
00121 const GRFFile *GetEngineGRF(EngineID engine)
00122 {
00123 return Engine::Get(engine)->grffile;
00124 }
00125
00126
00132 uint32 GetEngineGRFID(EngineID engine)
00133 {
00134 const GRFFile *file = GetEngineGRF(engine);
00135 return file == NULL ? 0 : file->grfid;
00136 }
00137
00138
00139 static int MapOldSubType(const Vehicle *v)
00140 {
00141 switch (v->type) {
00142 case VEH_TRAIN:
00143 if (Train::From(v)->IsEngine()) return 0;
00144 if (Train::From(v)->IsFreeWagon()) return 4;
00145 return 2;
00146 case VEH_ROAD:
00147 case VEH_SHIP: return 0;
00148 case VEH_AIRCRAFT:
00149 case VEH_DISASTER: return v->subtype;
00150 case VEH_EFFECT: return v->subtype << 1;
00151 default: NOT_REACHED();
00152 }
00153 }
00154
00155
00156
00157 enum {
00158 AMS_TTDP_HANGAR,
00159 AMS_TTDP_TO_HANGAR,
00160 AMS_TTDP_TO_PAD1,
00161 AMS_TTDP_TO_PAD2,
00162 AMS_TTDP_TO_PAD3,
00163 AMS_TTDP_TO_ENTRY_2_AND_3,
00164 AMS_TTDP_TO_ENTRY_2_AND_3_AND_H,
00165 AMS_TTDP_TO_JUNCTION,
00166 AMS_TTDP_LEAVE_RUNWAY,
00167 AMS_TTDP_TO_INWAY,
00168 AMS_TTDP_TO_RUNWAY,
00169 AMS_TTDP_TO_OUTWAY,
00170 AMS_TTDP_WAITING,
00171 AMS_TTDP_TAKEOFF,
00172 AMS_TTDP_TO_TAKEOFF,
00173 AMS_TTDP_CLIMBING,
00174 AMS_TTDP_FLIGHT_APPROACH,
00175 AMS_TTDP_UNUSED_0x11,
00176 AMS_TTDP_FLIGHT_TO_TOWER,
00177 AMS_TTDP_UNUSED_0x13,
00178 AMS_TTDP_FLIGHT_FINAL,
00179 AMS_TTDP_FLIGHT_DESCENT,
00180 AMS_TTDP_BRAKING,
00181 AMS_TTDP_HELI_TAKEOFF_AIRPORT,
00182 AMS_TTDP_HELI_TO_TAKEOFF_AIRPORT,
00183 AMS_TTDP_HELI_LAND_AIRPORT,
00184 AMS_TTDP_HELI_TAKEOFF_HELIPORT,
00185 AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT,
00186 AMS_TTDP_HELI_LAND_HELIPORT,
00187 };
00188
00189
00194 static byte MapAircraftMovementState(const Aircraft *v)
00195 {
00196 const Station *st = GetTargetAirportIfValid(v);
00197 if (st == NULL) return AMS_TTDP_FLIGHT_TO_TOWER;
00198
00199 const AirportFTAClass *afc = st->Airport();
00200 uint16 amdflag = afc->MovingData(v->pos)->flag;
00201
00202 switch (v->state) {
00203 case HANGAR:
00204
00205
00206
00207
00208
00209
00210 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00211
00212
00213
00214 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00215
00216
00217
00218 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGAR;
00219
00220
00221 return AMS_TTDP_TO_HANGAR;
00222
00223 case TERM1:
00224 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1;
00225 return AMS_TTDP_TO_JUNCTION;
00226
00227 case TERM2:
00228 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2;
00229 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00230
00231 case TERM3:
00232 case TERM4:
00233 case TERM5:
00234 case TERM6:
00235 case TERM7:
00236 case TERM8:
00237
00238 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3;
00239 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00240
00241 case HELIPAD1:
00242 case HELIPAD2:
00243 case HELIPAD3:
00244 case HELIPAD4:
00245 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00246 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00247 return AMS_TTDP_TO_JUNCTION;
00248
00249 case TAKEOFF:
00250 return AMS_TTDP_TO_OUTWAY;
00251
00252 case STARTTAKEOFF:
00253 return AMS_TTDP_TAKEOFF;
00254
00255 case ENDTAKEOFF:
00256 return AMS_TTDP_CLIMBING;
00257
00258 case HELITAKEOFF:
00259 if (afc->delta_z == 0) {
00260 return amdflag & AMED_HELI_RAISE ?
00261 AMS_TTDP_HELI_TAKEOFF_AIRPORT : AMS_TTDP_TO_JUNCTION;
00262 } else {
00263 return AMS_TTDP_HELI_TAKEOFF_HELIPORT;
00264 }
00265
00266 case FLYING:
00267 return amdflag & AMED_HOLD ? AMS_TTDP_FLIGHT_APPROACH : AMS_TTDP_FLIGHT_TO_TOWER;
00268
00269 case LANDING:
00270 return AMS_TTDP_FLIGHT_DESCENT;
00271
00272 case ENDLANDING:
00273 if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING;
00274
00275 return AMS_TTDP_TO_INWAY;
00276
00277 case HELILANDING:
00278 case HELIENDLANDING:
00279 if (amdflag & AMED_HELI_LOWER) {
00280 return afc->delta_z == 0 ?
00281 AMS_TTDP_HELI_LAND_AIRPORT : AMS_TTDP_HELI_LAND_HELIPORT;
00282 } else {
00283 return AMS_TTDP_FLIGHT_TO_TOWER;
00284 }
00285
00286 default:
00287 return AMS_TTDP_HANGAR;
00288 }
00289 }
00290
00291
00292
00293 enum {
00294 AMA_TTDP_IN_HANGAR,
00295 AMA_TTDP_ON_PAD1,
00296 AMA_TTDP_ON_PAD2,
00297 AMA_TTDP_ON_PAD3,
00298 AMA_TTDP_HANGAR_TO_PAD1,
00299 AMA_TTDP_HANGAR_TO_PAD2,
00300 AMA_TTDP_HANGAR_TO_PAD3,
00301 AMA_TTDP_LANDING_TO_PAD1,
00302 AMA_TTDP_LANDING_TO_PAD2,
00303 AMA_TTDP_LANDING_TO_PAD3,
00304 AMA_TTDP_PAD1_TO_HANGAR,
00305 AMA_TTDP_PAD2_TO_HANGAR,
00306 AMA_TTDP_PAD3_TO_HANGAR,
00307 AMA_TTDP_PAD1_TO_TAKEOFF,
00308 AMA_TTDP_PAD2_TO_TAKEOFF,
00309 AMA_TTDP_PAD3_TO_TAKEOFF,
00310 AMA_TTDP_HANGAR_TO_TAKOFF,
00311 AMA_TTDP_LANDING_TO_HANGAR,
00312 AMA_TTDP_IN_FLIGHT,
00313 };
00314
00315
00321 static byte MapAircraftMovementAction(const Aircraft *v)
00322 {
00323 switch (v->state) {
00324 case HANGAR:
00325 return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_IN_HANGAR;
00326
00327 case TERM1:
00328 case HELIPAD1:
00329 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1;
00330
00331 case TERM2:
00332 case HELIPAD2:
00333 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2;
00334
00335 case TERM3:
00336 case TERM4:
00337 case TERM5:
00338 case TERM6:
00339 case TERM7:
00340 case TERM8:
00341 case HELIPAD3:
00342 case HELIPAD4:
00343 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3;
00344
00345 case TAKEOFF:
00346 case STARTTAKEOFF:
00347 case ENDTAKEOFF:
00348 case HELITAKEOFF:
00349
00350 return AMA_TTDP_PAD1_TO_TAKEOFF;
00351
00352 case FLYING:
00353 return AMA_TTDP_IN_FLIGHT;
00354
00355 case LANDING:
00356 case ENDLANDING:
00357 case HELILANDING:
00358 case HELIENDLANDING:
00359
00360 return (v->current_order.IsType(OT_GOTO_DEPOT)) ?
00361 AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_LANDING_TO_PAD1;
00362
00363 default:
00364 return AMA_TTDP_IN_HANGAR;
00365 }
00366 }
00367
00368
00369
00370 enum {
00371 ATP_TTDP_SMALL,
00372 ATP_TTDP_LARGE,
00373 ATP_TTDP_HELIPORT,
00374 ATP_TTDP_OILRIG,
00375 };
00376
00377
00378
00379 static inline const Vehicle *GRV(const ResolverObject *object)
00380 {
00381 switch (object->scope) {
00382 default: NOT_REACHED();
00383 case VSG_SCOPE_SELF: return object->u.vehicle.self;
00384 case VSG_SCOPE_PARENT: return object->u.vehicle.parent;
00385 case VSG_SCOPE_RELATIVE: {
00386 if (object->u.vehicle.self == NULL) return NULL;
00387 const Vehicle *v = NULL;
00388 switch (GB(object->count, 6, 2)) {
00389 default: NOT_REACHED();
00390 case 0x00:
00391 case 0x01:
00392 v = object->u.vehicle.self;
00393 break;
00394 case 0x02:
00395 v = object->u.vehicle.parent;
00396 break;
00397 case 0x03: {
00398 const Vehicle *self = object->u.vehicle.self;
00399 for (const Vehicle *u = self->First(); u != self; u = u->Next()) {
00400 if (u->engine_type != self->engine_type) {
00401 v = NULL;
00402 } else {
00403 if (v == NULL) v = u;
00404 }
00405 }
00406 if (v == NULL) v = self;
00407 } break;
00408 }
00409 uint32 count = GB(object->count, 0, 4);
00410 if (count == 0) count = GetRegister(0x100);
00411 while (v != NULL && count-- != 0) v = (GB(object->count, 6, 2) == 0x01) ? v->Previous() : v->Next();
00412 return v;
00413 }
00414 }
00415 }
00416
00417
00418 static uint32 VehicleGetRandomBits(const ResolverObject *object)
00419 {
00420 return GRV(object) == NULL ? 0 : GRV(object)->random_bits;
00421 }
00422
00423
00424 static uint32 VehicleGetTriggers(const ResolverObject *object)
00425 {
00426 return GRV(object) == NULL ? 0 : GRV(object)->waiting_triggers;
00427 }
00428
00429
00430 static void VehicleSetTriggers(const ResolverObject *object, int triggers)
00431 {
00432
00433
00434
00435
00436 Vehicle *v = const_cast<Vehicle *>(GRV(object));
00437
00438
00439
00440 assert(object->trigger != 0);
00441
00442 if (v != NULL) v->waiting_triggers = triggers;
00443 }
00444
00445
00446 static uint8 LiveryHelper(EngineID engine, const Vehicle *v)
00447 {
00448 const Livery *l;
00449
00450 if (v == NULL) {
00451 if (!Company::IsValidID(_current_company)) return 0;
00452 l = GetEngineLivery(engine, _current_company, INVALID_ENGINE, NULL, LIT_ALL);
00453 } else if (v->type == VEH_TRAIN) {
00454 l = GetEngineLivery(v->engine_type, v->owner, Train::From(v)->tcache.first_engine, v, LIT_ALL);
00455 } else if (v->type == VEH_ROAD) {
00456 l = GetEngineLivery(v->engine_type, v->owner, RoadVehicle::From(v)->rcache.first_engine, v, LIT_ALL);
00457 } else {
00458 l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v, LIT_ALL);
00459 }
00460
00461 return l->colour1 + l->colour2 * 16;
00462 }
00463
00471 static uint32 PositionHelper(const Vehicle *v, bool consecutive)
00472 {
00473 const Vehicle *u;
00474 byte chain_before = 0;
00475 byte chain_after = 0;
00476
00477 for (u = v->First(); u != v; u = u->Next()) {
00478 chain_before++;
00479 if (consecutive && u->engine_type != v->engine_type) chain_before = 0;
00480 }
00481
00482 while (u->Next() != NULL && (!consecutive || u->Next()->engine_type == v->engine_type)) {
00483 chain_after++;
00484 u = u->Next();
00485 }
00486
00487 return chain_before | chain_after << 8 | (chain_before + chain_after + consecutive) << 16;
00488 }
00489
00490 byte MapAirportTypeToTTDType(byte ottd_type)
00491 {
00492 switch (ottd_type) {
00493
00494
00495 case AT_HELIDEPOT:
00496 case AT_HELISTATION:
00497 case AT_COMMUTER:
00498 case AT_SMALL: return ATP_TTDP_SMALL;
00499 case AT_METROPOLITAN:
00500 case AT_INTERNATIONAL:
00501 case AT_INTERCON:
00502 case AT_LARGE: return ATP_TTDP_LARGE;
00503 case AT_HELIPORT: return ATP_TTDP_HELIPORT;
00504 case AT_OILRIG: return ATP_TTDP_OILRIG;
00505 default: return ATP_TTDP_LARGE;
00506 }
00507 }
00508
00509 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00510 {
00511 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00512
00513 if (v == NULL) {
00514
00515 switch (variable) {
00516 case 0x43: return _current_company | (Company::IsValidAiID(_current_company) ? 0x10000 : 0) | (LiveryHelper(object->u.vehicle.self_type, NULL) << 24);
00517 case 0x46: return 0;
00518 case 0x47: {
00519 const Engine *e = Engine::Get(object->u.vehicle.self_type);
00520 CargoID cargo_type = e->GetDefaultCargoType();
00521 if (cargo_type != CT_INVALID) {
00522 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00523 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(e->index)->cargo_map[cargo_type];
00524 } else {
00525 return 0x000000FF;
00526 }
00527 }
00528 case 0x48: return Engine::Get(object->u.vehicle.self_type)->flags;
00529 case 0x49: return _cur_year;
00530 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00531 case 0xDA: return INVALID_VEHICLE;
00532 case 0xF2: return 0;
00533 }
00534
00535 *available = false;
00536 return UINT_MAX;
00537 }
00538
00539
00540 switch (variable) {
00541 case 0x25:
00542 return GetEngineGRFID(v->engine_type);
00543
00544 case 0x40:
00545 if (!HasBit(v->vcache.cache_valid, 0)) {
00546 v->vcache.cached_var40 = PositionHelper(v, false);
00547 SetBit(v->vcache.cache_valid, 0);
00548 }
00549 return v->vcache.cached_var40;
00550
00551 case 0x41:
00552 if (!HasBit(v->vcache.cache_valid, 1)) {
00553 v->vcache.cached_var41 = PositionHelper(v, true);
00554 SetBit(v->vcache.cache_valid, 1);
00555 }
00556 return v->vcache.cached_var41;
00557
00558 case 0x42:
00559 if (!HasBit(v->vcache.cache_valid, 2)) {
00560 const Vehicle *u;
00561 byte cargo_classes = 0;
00562 uint8 common_cargos[NUM_CARGO];
00563 uint8 common_subtypes[256];
00564 byte user_def_data = 0;
00565 CargoID common_cargo_type = CT_INVALID;
00566 uint8 common_subtype = 0xFF;
00567
00568
00569 memset(common_cargos, 0, sizeof(common_cargos));
00570 memset(common_subtypes, 0, sizeof(common_subtypes));
00571
00572 for (u = v; u != NULL; u = u->Next()) {
00573 if (v->type == VEH_TRAIN) user_def_data |= Train::From(u)->tcache.user_def_data;
00574
00575
00576 if (u->cargo_cap == 0) continue;
00577
00578 cargo_classes |= CargoSpec::Get(u->cargo_type)->classes;
00579 common_cargos[u->cargo_type]++;
00580 }
00581
00582
00583 uint common_cargo_best_amount = 0;
00584 for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
00585 if (common_cargos[cargo] > common_cargo_best_amount) {
00586 common_cargo_best_amount = common_cargos[cargo];
00587 common_cargo_type = cargo;
00588 }
00589 }
00590
00591
00592 for (u = v; u != NULL; u = u->Next()) {
00593
00594 if (u->cargo_cap == 0 || u->cargo_type != common_cargo_type) continue;
00595
00596 common_subtypes[u->cargo_subtype]++;
00597 }
00598
00599
00600 uint common_subtype_best_amount = 0;
00601 for (uint i = 0; i < lengthof(common_subtypes); i++) {
00602 if (common_subtypes[i] > common_subtype_best_amount) {
00603 common_subtype_best_amount = common_subtypes[i];
00604 common_subtype = i;
00605 }
00606 }
00607
00608 uint8 common_bitnum = (common_cargo_type == CT_INVALID ? 0xFF : CargoSpec::Get(common_cargo_type)->bitnum);
00609 v->vcache.cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
00610 SetBit(v->vcache.cache_valid, 2);
00611 }
00612 return v->vcache.cached_var42;
00613
00614 case 0x43:
00615 if (!HasBit(v->vcache.cache_valid, 3)) {
00616 v->vcache.cached_var43 = v->owner | (Company::IsHumanID(v->owner) ? 0 : 0x10000) | (LiveryHelper(v->engine_type, v) << 24);
00617 SetBit(v->vcache.cache_valid, 3);
00618 }
00619 return v->vcache.cached_var43;
00620
00621 case 0x44:
00622 if (v->type != VEH_AIRCRAFT) return UINT_MAX;
00623
00624 {
00625 const Vehicle *w = v->Next();
00626 uint16 altitude = v->z_pos - w->z_pos;
00627 byte airporttype = ATP_TTDP_LARGE;
00628
00629 const Station *st = GetTargetAirportIfValid(Aircraft::From(v));
00630
00631 if (st != NULL) {
00632 airporttype = MapAirportTypeToTTDType(st->airport_type);
00633 }
00634
00635 return (altitude << 8) | airporttype;
00636 }
00637
00638 case 0x45: {
00639
00640
00641
00642
00643
00644 if (v->type != VEH_TRAIN && v->type != VEH_ROAD) return 0;
00645
00646 const Vehicle *u_p = v->Previous();
00647 const Vehicle *u_n = v->Next();
00648 DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
00649 DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
00650 DirDiff t = ChangeDirDiff(f, b);
00651
00652 return ((t > DIRDIFF_REVERSE ? t | 8 : t) << 16) |
00653 ((b > DIRDIFF_REVERSE ? b | 8 : b) << 8) |
00654 ( f > DIRDIFF_REVERSE ? f | 8 : f);
00655 }
00656
00657 case 0x46:
00658 return v->motion_counter;
00659
00660 case 0x47: {
00661
00662
00663
00664
00665
00666
00667 const CargoSpec *cs = CargoSpec::Get(v->cargo_type);
00668
00669 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(v->engine_type)->cargo_map[v->cargo_type];
00670 }
00671
00672 case 0x48: return Engine::Get(v->engine_type)->flags;
00673 case 0x49: return v->build_year;
00674
00675
00676 case 0x60:
00677
00678 if (v->type != VEH_TRAIN) return Engine::Get(v->engine_type)->internal_id == parameter;
00679
00680 {
00681 uint count = 0;
00682 for (; v != NULL; v = v->Next()) {
00683 if (Engine::Get(v->engine_type)->internal_id == parameter) count++;
00684 }
00685 return count;
00686 }
00687
00688 case 0xFE:
00689 case 0xFF: {
00690 uint16 modflags = 0;
00691
00692 if (v->type == VEH_TRAIN) {
00693 const Train *t = Train::From(v);
00694 bool is_powered_wagon = HasBit(t->flags, VRF_POWEREDWAGON);
00695 const Train *u = is_powered_wagon ? t->First() : t;
00696 RailType railtype = GetRailType(v->tile);
00697 bool powered = t->IsEngine() || is_powered_wagon;
00698 bool has_power = HasPowerOnRail(u->railtype, railtype);
00699
00700 if (powered && has_power) SetBit(modflags, 5);
00701 if (powered && !has_power) SetBit(modflags, 6);
00702 if (HasBit(t->flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00703 }
00704 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00705
00706 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00707 }
00708 }
00709
00710
00711 switch (variable - 0x80) {
00712 case 0x00: return v->type + 0x10;
00713 case 0x01: return MapOldSubType(v);
00714 case 0x04: return v->index;
00715 case 0x05: return GB(v->index, 8, 8);
00716 case 0x0A: return v->current_order.MapOldOrder();
00717 case 0x0B: return v->current_order.GetDestination();
00718 case 0x0C: return v->GetNumOrders();
00719 case 0x0D: return v->cur_order_index;
00720 case 0x10:
00721 case 0x11: {
00722 uint ticks;
00723 if (v->current_order.IsType(OT_LOADING)) {
00724 ticks = v->load_unload_ticks;
00725 } else {
00726 switch (v->type) {
00727 case VEH_TRAIN: ticks = Train::From(v)->wait_counter; break;
00728 case VEH_AIRCRAFT: ticks = Aircraft::From(v)->turn_counter; break;
00729 default: ticks = 0; break;
00730 }
00731 }
00732 return (variable - 0x80) == 0x10 ? ticks : GB(ticks, 8, 8);
00733 }
00734 case 0x12: return Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF);
00735 case 0x13: return GB(Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF), 8, 8);
00736 case 0x14: return v->service_interval;
00737 case 0x15: return GB(v->service_interval, 8, 8);
00738 case 0x16: return v->last_station_visited;
00739 case 0x17: return v->tick_counter;
00740 case 0x18:
00741 case 0x19: {
00742 uint max_speed = v->type == VEH_TRAIN ? Train::From(v)->tcache.cached_max_speed : v->max_speed;
00743 if (v->type == VEH_AIRCRAFT) max_speed = max_speed * 10 / 128;
00744 return (variable - 0x80) == 0x18 ? max_speed : GB(max_speed, 8, 8);
00745 }
00746 case 0x1A: return v->x_pos;
00747 case 0x1B: return GB(v->x_pos, 8, 8);
00748 case 0x1C: return v->y_pos;
00749 case 0x1D: return GB(v->y_pos, 8, 8);
00750 case 0x1E: return v->z_pos;
00751 case 0x1F: return object->u.vehicle.info_view ? DIR_W : v->direction;
00752 case 0x28: return v->cur_image;
00753 case 0x29: return GB(v->cur_image, 8, 8);
00754 case 0x32: return v->vehstatus;
00755 case 0x33: return 0;
00756 case 0x34: return v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed;
00757 case 0x35: return GB(v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed, 8, 8);
00758 case 0x36: return v->subspeed;
00759 case 0x37: return v->acceleration;
00760 case 0x39: return v->cargo_type;
00761 case 0x3A: return v->cargo_cap;
00762 case 0x3B: return GB(v->cargo_cap, 8, 8);
00763 case 0x3C: return ClampToU16(v->cargo.Count());
00764 case 0x3D: return GB(ClampToU16(v->cargo.Count()), 8, 8);
00765 case 0x3E: return v->cargo.Source();
00766 case 0x3F: return ClampU(v->cargo.DaysInTransit(), 0, 0xFF);
00767 case 0x40: return v->age;
00768 case 0x41: return GB(v->age, 8, 8);
00769 case 0x42: return ClampToU16(v->max_age);
00770 case 0x43: return GB(ClampToU16(v->max_age), 8, 8);
00771 case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00772 case 0x45: return v->unitnumber;
00773 case 0x46: return Engine::Get(v->engine_type)->internal_id;
00774 case 0x47: return GB(Engine::Get(v->engine_type)->internal_id, 8, 8);
00775 case 0x48:
00776 if (v->type != VEH_TRAIN || v->spritenum != 0xFD) return v->spritenum;
00777 return HasBit(Train::From(v)->flags, VRF_REVERSE_DIRECTION) ? 0xFE : 0xFD;
00778
00779 case 0x49: return v->day_counter;
00780 case 0x4A: return v->breakdowns_since_last_service;
00781 case 0x4B: return v->breakdown_ctr;
00782 case 0x4C: return v->breakdown_delay;
00783 case 0x4D: return v->breakdown_chance;
00784 case 0x4E: return v->reliability;
00785 case 0x4F: return GB(v->reliability, 8, 8);
00786 case 0x50: return v->reliability_spd_dec;
00787 case 0x51: return GB(v->reliability_spd_dec, 8, 8);
00788 case 0x52: return ClampToI32(v->GetDisplayProfitThisYear());
00789 case 0x53: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 8, 24);
00790 case 0x54: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 16, 16);
00791 case 0x55: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 24, 8);
00792 case 0x56: return ClampToI32(v->GetDisplayProfitLastYear());
00793 case 0x57: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 8, 24);
00794 case 0x58: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 16, 16);
00795 case 0x59: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 24, 8);
00796 case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
00797 case 0x5C: return ClampToI32(v->value);
00798 case 0x5D: return GB(ClampToI32(v->value), 8, 24);
00799 case 0x5E: return GB(ClampToI32(v->value), 16, 16);
00800 case 0x5F: return GB(ClampToI32(v->value), 24, 8);
00801 case 0x72: return v->cargo_subtype;
00802 case 0x7A: return v->random_bits;
00803 case 0x7B: return v->waiting_triggers;
00804 }
00805
00806
00807 switch (v->type) {
00808 case VEH_TRAIN: {
00809 Train *t = Train::From(v);
00810 switch (variable - 0x80) {
00811 case 0x62: return t->track;
00812 case 0x66: return t->railtype;
00813 case 0x73: return t->tcache.cached_veh_length;
00814 case 0x74: return t->tcache.cached_power;
00815 case 0x75: return GB(t->tcache.cached_power, 8, 24);
00816 case 0x76: return GB(t->tcache.cached_power, 16, 16);
00817 case 0x77: return GB(t->tcache.cached_power, 24, 8);
00818 case 0x7C: return t->First()->index;
00819 case 0x7D: return GB(t->First()->index, 8, 8);
00820 case 0x7F: return 0;
00821 }
00822 } break;
00823
00824 case VEH_ROAD: {
00825 RoadVehicle *rv = RoadVehicle::From(v);
00826 switch (variable - 0x80) {
00827 case 0x62: return rv->state;
00828 case 0x64: return rv->blocked_ctr;
00829 case 0x65: return GB(rv->blocked_ctr, 8, 8);
00830 case 0x66: return rv->overtaking;
00831 case 0x67: return rv->overtaking_ctr;
00832 case 0x68: return rv->crashed_ctr;
00833 case 0x69: return GB(rv->crashed_ctr, 8, 8);
00834 }
00835 } break;
00836
00837 case VEH_AIRCRAFT: {
00838 Aircraft *a = Aircraft::From(v);
00839 switch (variable - 0x80) {
00840 case 0x62: return MapAircraftMovementState(a);
00841 case 0x63: return a->targetairport;
00842 case 0x66: return MapAircraftMovementAction(a);
00843 }
00844 } break;
00845
00846 default: break;
00847 }
00848
00849 DEBUG(grf, 1, "Unhandled vehicle property 0x%X, type 0x%X", variable, (uint)v->type);
00850
00851 *available = false;
00852 return UINT_MAX;
00853 }
00854
00855
00856 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00857 {
00858 const Vehicle *v = object->u.vehicle.self;
00859
00860 if (v == NULL) {
00861 if (group->num_loading > 0) return group->loading[0];
00862 if (group->num_loaded > 0) return group->loaded[0];
00863 return NULL;
00864 }
00865
00866 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00867
00868 uint totalsets = in_motion ? group->num_loaded : group->num_loading;
00869
00870 if (totalsets == 0) return NULL;
00871
00872 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00873 set = min(set, totalsets - 1);
00874
00875 return in_motion ? group->loaded[set] : group->loading[set];
00876 }
00877
00878
00879 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00880 {
00881 res->GetRandomBits = &VehicleGetRandomBits;
00882 res->GetTriggers = &VehicleGetTriggers;
00883 res->SetTriggers = &VehicleSetTriggers;
00884 res->GetVariable = &VehicleGetVariable;
00885 res->ResolveReal = &VehicleResolveReal;
00886
00887 res->u.vehicle.self = v;
00888 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00889
00890 res->u.vehicle.self_type = engine_type;
00891 res->u.vehicle.info_view = false;
00892
00893 res->callback = CBID_NO_CALLBACK;
00894 res->callback_param1 = 0;
00895 res->callback_param2 = 0;
00896 res->last_value = 0;
00897 res->trigger = 0;
00898 res->reseed = 0;
00899 res->count = 0;
00900
00901 const Engine *e = Engine::Get(engine_type);
00902 res->grffile = (e != NULL ? e->grffile : NULL);
00903 }
00904
00905
00914 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00915 {
00916 const SpriteGroup *group;
00917 CargoID cargo;
00918
00919 if (v == NULL) {
00920 cargo = CT_PURCHASE;
00921 } else {
00922 cargo = v->cargo_type;
00923
00924 if (v->type == VEH_TRAIN) {
00925
00926
00927
00928 group = use_cache ? Train::From(v)->tcache.cached_override : GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, Train::From(v)->tcache.first_engine);
00929 if (group != NULL) return group;
00930 } else if (v->type == VEH_ROAD) {
00931 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, RoadVehicle::From(v)->rcache.first_engine);
00932 if (group != NULL) return group;
00933 }
00934 }
00935
00936 const Engine *e = Engine::Get(engine);
00937
00938 assert(cargo < lengthof(e->group));
00939 group = e->group[cargo];
00940 if (group != NULL) return group;
00941
00942
00943 return e->group[CT_DEFAULT];
00944 }
00945
00946
00947 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction)
00948 {
00949 const SpriteGroup *group;
00950 ResolverObject object;
00951
00952 NewVehicleResolver(&object, engine, v);
00953
00954 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v), &object);
00955 if (group == NULL || group->GetNumResults() == 0) return 0;
00956
00957 return group->GetResult() + (direction % group->GetNumResults());
00958 }
00959
00960
00961 SpriteID GetRotorOverrideSprite(EngineID engine, const Aircraft *v, bool info_view)
00962 {
00963 const Engine *e = Engine::Get(engine);
00964
00965
00966 assert(e->type == VEH_AIRCRAFT);
00967 assert(!(e->u.air.subtype & AIR_CTOL));
00968
00969 ResolverObject object;
00970
00971 NewVehicleResolver(&object, engine, v);
00972
00973 object.u.vehicle.info_view = info_view;
00974
00975 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
00976 group = SpriteGroup::Resolve(group, &object);
00977
00978 if (group == NULL || group->GetNumResults() == 0) return 0;
00979
00980 if (v == NULL) return group->GetResult();
00981
00982 return group->GetResult() + (info_view ? 0 : (v->Next()->Next()->state % group->GetNumResults()));
00983 }
00984
00985
00991 bool UsesWagonOverride(const Vehicle *v)
00992 {
00993 assert(v->type == VEH_TRAIN);
00994 return Train::From(v)->tcache.cached_override != NULL;
00995 }
00996
01006 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
01007 {
01008 const SpriteGroup *group;
01009 ResolverObject object;
01010
01011 NewVehicleResolver(&object, engine, v);
01012
01013 object.callback = callback;
01014 object.callback_param1 = param1;
01015 object.callback_param2 = param2;
01016
01017 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01018 if (group == NULL) return CALLBACK_FAILED;
01019
01020 return group->GetCallbackResult();
01021 }
01022
01033 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
01034 {
01035 const SpriteGroup *group;
01036 ResolverObject object;
01037
01038 NewVehicleResolver(&object, engine, v);
01039
01040 object.callback = callback;
01041 object.callback_param1 = param1;
01042 object.callback_param2 = param2;
01043
01044 object.u.vehicle.parent = parent;
01045
01046 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01047 if (group == NULL) return CALLBACK_FAILED;
01048
01049 return group->GetCallbackResult();
01050 }
01051
01052
01053
01054 uint GetVehicleProperty(const Vehicle *v, PropertyID property, uint orig_value)
01055 {
01056 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, v->engine_type, v);
01057 if (callback != CALLBACK_FAILED) return callback;
01058
01059 return orig_value;
01060 }
01061
01062
01063 uint GetEngineProperty(EngineID engine, PropertyID property, uint orig_value)
01064 {
01065 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, NULL);
01066 if (callback != CALLBACK_FAILED) return callback;
01067
01068 return orig_value;
01069 }
01070
01071
01072 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01073 {
01074 const SpriteGroup *group;
01075 ResolverObject object;
01076 byte new_random_bits;
01077
01078
01079 assert(v != NULL);
01080
01081 NewVehicleResolver(&object, v->engine_type, v);
01082 object.callback = CBID_RANDOM_TRIGGER;
01083 object.trigger = trigger;
01084
01085 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01086 if (group == NULL) return;
01087
01088 new_random_bits = Random();
01089 v->random_bits &= ~object.reseed;
01090 v->random_bits |= (first ? new_random_bits : base_random_bits) & object.reseed;
01091
01092 switch (trigger) {
01093 case VEHICLE_TRIGGER_NEW_CARGO:
01094
01095
01096
01097
01098
01099
01100
01101 assert(first);
01102 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01103 break;
01104
01105 case VEHICLE_TRIGGER_DEPOT:
01106
01107
01108
01109 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01110 break;
01111
01112 case VEHICLE_TRIGGER_EMPTY:
01113
01114
01115
01116
01117 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01118 break;
01119
01120 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01121
01122
01123 assert(!first);
01124 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01125 break;
01126
01127 case VEHICLE_TRIGGER_CALLBACK_32:
01128
01129 break;
01130 }
01131 }
01132
01133 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01134 {
01135 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01136
01137 VehicleEnteredDepotThisTick(v);
01138 }
01139
01140 v->InvalidateNewGRFCacheOfChain();
01141 DoTriggerVehicle(v, trigger, 0, true);
01142 v->InvalidateNewGRFCacheOfChain();
01143 }
01144
01145
01146
01147
01154 uint ListPositionOfEngine(EngineID engine)
01155 {
01156 const Engine *e = Engine::Get(engine);
01157 if (e->grffile == NULL) return e->list_position;
01158
01159
01160 return (e->grffile->grfid * 256) + e->list_position;
01161 }
01162
01163 struct ListOrderChange {
01164 EngineID engine;
01165 EngineID target;
01166 };
01167
01168 static SmallVector<ListOrderChange, 16> _list_order_changes;
01169
01170 void AlterVehicleListOrder(EngineID engine, EngineID target)
01171 {
01172
01173 ListOrderChange *loc = _list_order_changes.Append();
01174 loc->engine = engine;
01175 loc->target = target;
01176 }
01177
01178 void CommitVehicleListOrderChanges()
01179 {
01180
01181 typedef SmallMap<uint16, Engine *, 16> ListPositionMap;
01182 ListPositionMap lptr_map;
01183
01184 const ListOrderChange *end = _list_order_changes.End();
01185 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01186 EngineID engine = it->engine;
01187 EngineID target = it->target;
01188
01189 if (engine == target) continue;
01190
01191 Engine *source_e = Engine::Get(engine);
01192 Engine *target_e = NULL;
01193
01194
01195 Engine *e;
01196 FOR_ALL_ENGINES_OF_TYPE(e, source_e->type) {
01197 if (!_settings_game.vehicle.dynamic_engines || e->grffile == source_e->grffile) {
01198 if (e->internal_id == target) target_e = e;
01199 lptr_map[e->list_position] = e;
01200 }
01201 }
01202
01203
01204 lptr_map.SortByKey();
01205
01206
01207 if (target_e != NULL) {
01208 uint16 target_position = target_e->list_position;
01209
01210 bool moving = false;
01211 const ListPositionMap::Pair *end = lptr_map.End();
01212 for (ListPositionMap::Pair *it = lptr_map.Begin(); it != end; ++it) {
01213 if (it->first == target_position) moving = true;
01214 if (moving) it->second->list_position++;
01215 }
01216
01217 source_e->list_position = target_position;
01218 }
01219
01220 lptr_map.Clear();
01221 }
01222
01223
01224 _list_order_changes.Reset();
01225 }