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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_cargo.h"
00018 #include "newgrf_spritegroup.h"
00019 #include "date_func.h"
00020 #include "vehicle_func.h"
00021 #include "core/random_func.hpp"
00022 #include "aircraft.h"
00023 #include "station_base.h"
00024 #include "company_base.h"
00025 #include "newgrf_railtype.h"
00026 #include "ship.h"
00027
00028 struct WagonOverride {
00029 EngineID *train_id;
00030 uint trains;
00031 CargoID cargo;
00032 const SpriteGroup *group;
00033 };
00034
00035 void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const SpriteGroup *group, EngineID *train_id, uint trains)
00036 {
00037 Engine *e = Engine::Get(engine);
00038 WagonOverride *wo;
00039
00040 assert(cargo < NUM_CARGO + 2);
00041
00042 e->overrides_count++;
00043 e->overrides = ReallocT(e->overrides, e->overrides_count);
00044
00045 wo = &e->overrides[e->overrides_count - 1];
00046 wo->group = group;
00047 wo->cargo = cargo;
00048 wo->trains = trains;
00049 wo->train_id = MallocT<EngineID>(trains);
00050 memcpy(wo->train_id, train_id, trains * sizeof *train_id);
00051 }
00052
00053 const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, EngineID overriding_engine)
00054 {
00055 const Engine *e = Engine::Get(engine);
00056
00057
00058
00059
00060
00061
00062 for (uint i = 0; i < e->overrides_count; i++) {
00063 const WagonOverride *wo = &e->overrides[i];
00064
00065 if (wo->cargo != cargo && wo->cargo != CT_DEFAULT) continue;
00066
00067 for (uint j = 0; j < wo->trains; j++) {
00068 if (wo->train_id[j] == overriding_engine) return wo->group;
00069 }
00070 }
00071 return NULL;
00072 }
00073
00077 void UnloadWagonOverrides(Engine *e)
00078 {
00079 for (uint i = 0; i < e->overrides_count; i++) {
00080 WagonOverride *wo = &e->overrides[i];
00081 free(wo->train_id);
00082 }
00083 free(e->overrides);
00084 e->overrides_count = 0;
00085 e->overrides = NULL;
00086 }
00087
00088
00089 void SetCustomEngineSprites(EngineID engine, byte cargo, const SpriteGroup *group)
00090 {
00091 Engine *e = Engine::Get(engine);
00092 assert(cargo < lengthof(e->grf_prop.spritegroup));
00093
00094 if (e->grf_prop.spritegroup[cargo] != NULL) {
00095 grfmsg(6, "SetCustomEngineSprites: engine %d cargo %d already has group -- replacing", engine, cargo);
00096 }
00097 e->grf_prop.spritegroup[cargo] = group;
00098 }
00099
00100
00107 void SetEngineGRF(EngineID engine, const GRFFile *file)
00108 {
00109 Engine *e = Engine::Get(engine);
00110 e->grf_prop.grffile = file;
00111 }
00112
00113
00114 static int MapOldSubType(const Vehicle *v)
00115 {
00116 switch (v->type) {
00117 case VEH_TRAIN:
00118 if (Train::From(v)->IsEngine()) return 0;
00119 if (Train::From(v)->IsFreeWagon()) return 4;
00120 return 2;
00121 case VEH_ROAD:
00122 case VEH_SHIP: return 0;
00123 case VEH_AIRCRAFT:
00124 case VEH_DISASTER: return v->subtype;
00125 case VEH_EFFECT: return v->subtype << 1;
00126 default: NOT_REACHED();
00127 }
00128 }
00129
00130
00131
00132 enum TTDPAircraftMovementStates {
00133 AMS_TTDP_HANGAR,
00134 AMS_TTDP_TO_HANGAR,
00135 AMS_TTDP_TO_PAD1,
00136 AMS_TTDP_TO_PAD2,
00137 AMS_TTDP_TO_PAD3,
00138 AMS_TTDP_TO_ENTRY_2_AND_3,
00139 AMS_TTDP_TO_ENTRY_2_AND_3_AND_H,
00140 AMS_TTDP_TO_JUNCTION,
00141 AMS_TTDP_LEAVE_RUNWAY,
00142 AMS_TTDP_TO_INWAY,
00143 AMS_TTDP_TO_RUNWAY,
00144 AMS_TTDP_TO_OUTWAY,
00145 AMS_TTDP_WAITING,
00146 AMS_TTDP_TAKEOFF,
00147 AMS_TTDP_TO_TAKEOFF,
00148 AMS_TTDP_CLIMBING,
00149 AMS_TTDP_FLIGHT_APPROACH,
00150 AMS_TTDP_UNUSED_0x11,
00151 AMS_TTDP_FLIGHT_TO_TOWER,
00152 AMS_TTDP_UNUSED_0x13,
00153 AMS_TTDP_FLIGHT_FINAL,
00154 AMS_TTDP_FLIGHT_DESCENT,
00155 AMS_TTDP_BRAKING,
00156 AMS_TTDP_HELI_TAKEOFF_AIRPORT,
00157 AMS_TTDP_HELI_TO_TAKEOFF_AIRPORT,
00158 AMS_TTDP_HELI_LAND_AIRPORT,
00159 AMS_TTDP_HELI_TAKEOFF_HELIPORT,
00160 AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT,
00161 AMS_TTDP_HELI_LAND_HELIPORT,
00162 };
00163
00164
00169 static byte MapAircraftMovementState(const Aircraft *v)
00170 {
00171 const Station *st = GetTargetAirportIfValid(v);
00172 if (st == NULL) return AMS_TTDP_FLIGHT_TO_TOWER;
00173
00174 const AirportFTAClass *afc = st->airport.GetFTA();
00175 uint16 amdflag = afc->MovingData(v->pos)->flag;
00176
00177 switch (v->state) {
00178 case HANGAR:
00179
00180
00181
00182
00183
00184
00185 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00186
00187
00188
00189 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00190
00191
00192
00193 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGAR;
00194
00195
00196 return AMS_TTDP_TO_HANGAR;
00197
00198 case TERM1:
00199 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1;
00200 return AMS_TTDP_TO_JUNCTION;
00201
00202 case TERM2:
00203 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2;
00204 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00205
00206 case TERM3:
00207 case TERM4:
00208 case TERM5:
00209 case TERM6:
00210 case TERM7:
00211 case TERM8:
00212
00213 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3;
00214 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00215
00216 case HELIPAD1:
00217 case HELIPAD2:
00218 case HELIPAD3:
00219
00220 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00221 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00222 return AMS_TTDP_TO_JUNCTION;
00223
00224 case TAKEOFF:
00225 return AMS_TTDP_TO_OUTWAY;
00226
00227 case STARTTAKEOFF:
00228 return AMS_TTDP_TAKEOFF;
00229
00230 case ENDTAKEOFF:
00231 return AMS_TTDP_CLIMBING;
00232
00233 case HELITAKEOFF:
00234 if (afc->delta_z == 0) {
00235 return amdflag & AMED_HELI_RAISE ?
00236 AMS_TTDP_HELI_TAKEOFF_AIRPORT : AMS_TTDP_TO_JUNCTION;
00237 } else {
00238 return AMS_TTDP_HELI_TAKEOFF_HELIPORT;
00239 }
00240
00241 case FLYING:
00242 return amdflag & AMED_HOLD ? AMS_TTDP_FLIGHT_APPROACH : AMS_TTDP_FLIGHT_TO_TOWER;
00243
00244 case LANDING:
00245 return AMS_TTDP_FLIGHT_DESCENT;
00246
00247 case ENDLANDING:
00248 if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING;
00249
00250 return AMS_TTDP_TO_INWAY;
00251
00252 case HELILANDING:
00253 case HELIENDLANDING:
00254 if (amdflag & AMED_HELI_LOWER) {
00255 return afc->delta_z == 0 ?
00256 AMS_TTDP_HELI_LAND_AIRPORT : AMS_TTDP_HELI_LAND_HELIPORT;
00257 } else {
00258 return AMS_TTDP_FLIGHT_TO_TOWER;
00259 }
00260
00261 default:
00262 return AMS_TTDP_HANGAR;
00263 }
00264 }
00265
00266
00267
00268 enum TTDPAircraftMovementActions {
00269 AMA_TTDP_IN_HANGAR,
00270 AMA_TTDP_ON_PAD1,
00271 AMA_TTDP_ON_PAD2,
00272 AMA_TTDP_ON_PAD3,
00273 AMA_TTDP_HANGAR_TO_PAD1,
00274 AMA_TTDP_HANGAR_TO_PAD2,
00275 AMA_TTDP_HANGAR_TO_PAD3,
00276 AMA_TTDP_LANDING_TO_PAD1,
00277 AMA_TTDP_LANDING_TO_PAD2,
00278 AMA_TTDP_LANDING_TO_PAD3,
00279 AMA_TTDP_PAD1_TO_HANGAR,
00280 AMA_TTDP_PAD2_TO_HANGAR,
00281 AMA_TTDP_PAD3_TO_HANGAR,
00282 AMA_TTDP_PAD1_TO_TAKEOFF,
00283 AMA_TTDP_PAD2_TO_TAKEOFF,
00284 AMA_TTDP_PAD3_TO_TAKEOFF,
00285 AMA_TTDP_HANGAR_TO_TAKOFF,
00286 AMA_TTDP_LANDING_TO_HANGAR,
00287 AMA_TTDP_IN_FLIGHT,
00288 };
00289
00290
00296 static byte MapAircraftMovementAction(const Aircraft *v)
00297 {
00298 switch (v->state) {
00299 case HANGAR:
00300 return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_IN_HANGAR;
00301
00302 case TERM1:
00303 case HELIPAD1:
00304 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1;
00305
00306 case TERM2:
00307 case HELIPAD2:
00308 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2;
00309
00310 case TERM3:
00311 case TERM4:
00312 case TERM5:
00313 case TERM6:
00314 case TERM7:
00315 case TERM8:
00316 case HELIPAD3:
00317 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3;
00318
00319 case TAKEOFF:
00320 case STARTTAKEOFF:
00321 case ENDTAKEOFF:
00322 case HELITAKEOFF:
00323
00324 return AMA_TTDP_PAD1_TO_TAKEOFF;
00325
00326 case FLYING:
00327 return AMA_TTDP_IN_FLIGHT;
00328
00329 case LANDING:
00330 case ENDLANDING:
00331 case HELILANDING:
00332 case HELIENDLANDING:
00333
00334 return (v->current_order.IsType(OT_GOTO_DEPOT)) ?
00335 AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_LANDING_TO_PAD1;
00336
00337 default:
00338 return AMA_TTDP_IN_HANGAR;
00339 }
00340 }
00341
00342
00343
00344 static inline const Vehicle *GRV(const ResolverObject *object)
00345 {
00346 switch (object->scope) {
00347 default: NOT_REACHED();
00348 case VSG_SCOPE_SELF: return object->u.vehicle.self;
00349 case VSG_SCOPE_PARENT: return object->u.vehicle.parent;
00350 case VSG_SCOPE_RELATIVE: {
00351 if (object->u.vehicle.self == NULL) return NULL;
00352 const Vehicle *v = NULL;
00353 switch (GB(object->count, 6, 2)) {
00354 default: NOT_REACHED();
00355 case 0x00:
00356 case 0x01:
00357 v = object->u.vehicle.self;
00358 break;
00359 case 0x02:
00360 v = object->u.vehicle.parent;
00361 break;
00362 case 0x03: {
00363 const Vehicle *self = object->u.vehicle.self;
00364 for (const Vehicle *u = self->First(); u != self; u = u->Next()) {
00365 if (u->engine_type != self->engine_type) {
00366 v = NULL;
00367 } else {
00368 if (v == NULL) v = u;
00369 }
00370 }
00371 if (v == NULL) v = self;
00372 break;
00373 }
00374 }
00375 uint32 count = GB(object->count, 0, 4);
00376 if (count == 0) count = GetRegister(0x100);
00377 while (v != NULL && count-- != 0) v = (GB(object->count, 6, 2) == 0x01) ? v->Previous() : v->Next();
00378 return v;
00379 }
00380 }
00381 }
00382
00383
00384 static uint32 VehicleGetRandomBits(const ResolverObject *object)
00385 {
00386 return GRV(object) == NULL ? 0 : GRV(object)->random_bits;
00387 }
00388
00389
00390 static uint32 VehicleGetTriggers(const ResolverObject *object)
00391 {
00392 return GRV(object) == NULL ? 0 : GRV(object)->waiting_triggers;
00393 }
00394
00395
00396 static void VehicleSetTriggers(const ResolverObject *object, int triggers)
00397 {
00398
00399
00400
00401
00402 Vehicle *v = const_cast<Vehicle *>(GRV(object));
00403
00404
00405
00406 assert(object->trigger != 0);
00407
00408 if (v != NULL) v->waiting_triggers = triggers;
00409 }
00410
00411
00421 static const Livery *LiveryHelper(EngineID engine, const Vehicle *v)
00422 {
00423 const Livery *l;
00424
00425 if (v == NULL) {
00426 if (!Company::IsValidID(_current_company)) return NULL;
00427 l = GetEngineLivery(engine, _current_company, INVALID_ENGINE, NULL, LIT_ALL);
00428 } else if (v->IsGroundVehicle()) {
00429 l = GetEngineLivery(v->engine_type, v->owner, v->GetGroundVehicleCache()->first_engine, v, LIT_ALL);
00430 } else {
00431 l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v, LIT_ALL);
00432 }
00433
00434 return l;
00435 }
00436
00444 static uint32 PositionHelper(const Vehicle *v, bool consecutive)
00445 {
00446 const Vehicle *u;
00447 byte chain_before = 0;
00448 byte chain_after = 0;
00449
00450 for (u = v->First(); u != v; u = u->Next()) {
00451 chain_before++;
00452 if (consecutive && u->engine_type != v->engine_type) chain_before = 0;
00453 }
00454
00455 while (u->Next() != NULL && (!consecutive || u->Next()->engine_type == v->engine_type)) {
00456 chain_after++;
00457 u = u->Next();
00458 }
00459
00460 return chain_before | chain_after << 8 | (chain_before + chain_after + consecutive) << 16;
00461 }
00462
00463 static uint32 VehicleGetVariable(Vehicle *v, const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00464 {
00465
00466 switch (variable) {
00467 case 0x25:
00468 return v->GetGRFID();
00469
00470 case 0x40:
00471 if (!HasBit(v->grf_cache.cache_valid, NCVV_POSITION_CONSIST_LENGTH)) {
00472 v->grf_cache.position_consist_length = PositionHelper(v, false);
00473 SetBit(v->grf_cache.cache_valid, NCVV_POSITION_CONSIST_LENGTH);
00474 }
00475 return v->grf_cache.position_consist_length;
00476
00477 case 0x41:
00478 if (!HasBit(v->grf_cache.cache_valid, NCVV_POSITION_SAME_ID_LENGTH)) {
00479 v->grf_cache.position_same_id_length = PositionHelper(v, true);
00480 SetBit(v->grf_cache.cache_valid, NCVV_POSITION_SAME_ID_LENGTH);
00481 }
00482 return v->grf_cache.position_same_id_length;
00483
00484 case 0x42: {
00485 if (!HasBit(v->grf_cache.cache_valid, NCVV_CONSIST_CARGO_INFORMATION)) {
00486 const Vehicle *u;
00487 byte cargo_classes = 0;
00488 uint8 common_cargoes[NUM_CARGO];
00489 uint8 common_subtypes[256];
00490 byte user_def_data = 0;
00491 CargoID common_cargo_type = CT_INVALID;
00492 uint8 common_subtype = 0xFF;
00493
00494
00495 memset(common_cargoes, 0, sizeof(common_cargoes));
00496 memset(common_subtypes, 0, sizeof(common_subtypes));
00497
00498 for (u = v; u != NULL; u = u->Next()) {
00499 if (v->type == VEH_TRAIN) user_def_data |= Train::From(u)->tcache.user_def_data;
00500
00501
00502 if (!u->GetEngine()->CanCarryCargo()) continue;
00503
00504 cargo_classes |= CargoSpec::Get(u->cargo_type)->classes;
00505 common_cargoes[u->cargo_type]++;
00506 }
00507
00508
00509 uint common_cargo_best_amount = 0;
00510 for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
00511 if (common_cargoes[cargo] > common_cargo_best_amount) {
00512 common_cargo_best_amount = common_cargoes[cargo];
00513 common_cargo_type = cargo;
00514 }
00515 }
00516
00517
00518 for (u = v; u != NULL; u = u->Next()) {
00519
00520 if (u->cargo_type != common_cargo_type || !u->GetEngine()->CanCarryCargo()) continue;
00521
00522 common_subtypes[u->cargo_subtype]++;
00523 }
00524
00525
00526 uint common_subtype_best_amount = 0;
00527 for (uint i = 0; i < lengthof(common_subtypes); i++) {
00528 if (common_subtypes[i] > common_subtype_best_amount) {
00529 common_subtype_best_amount = common_subtypes[i];
00530 common_subtype = i;
00531 }
00532 }
00533
00534
00535
00536 v->grf_cache.consist_cargo_information = cargo_classes | (common_cargo_type << 8) | (common_subtype << 16) | (user_def_data << 24);
00537 SetBit(v->grf_cache.cache_valid, NCVV_CONSIST_CARGO_INFORMATION);
00538 }
00539
00540
00541 CargoID common_cargo_type = (v->grf_cache.consist_cargo_information >> 8) & 0xFF;
00542
00543
00544
00545
00546 const GRFFile *grffile = object->grffile;
00547 uint8 common_bitnum = (common_cargo_type == CT_INVALID) ? 0xFF :
00548 (grffile == NULL || grffile->grf_version < 8) ? CargoSpec::Get(common_cargo_type)->bitnum : grffile->cargo_map[common_cargo_type];
00549
00550 return (v->grf_cache.consist_cargo_information & 0xFFFF00FF) | common_bitnum << 8;
00551 }
00552
00553 case 0x43:
00554 if (!HasBit(v->grf_cache.cache_valid, NCVV_COMPANY_INFORMATION)) {
00555 v->grf_cache.company_information = GetCompanyInfo(v->owner, LiveryHelper(v->engine_type, v));
00556 SetBit(v->grf_cache.cache_valid, NCVV_COMPANY_INFORMATION);
00557 }
00558 return v->grf_cache.company_information;
00559
00560 case 0x44:
00561 if (v->type != VEH_AIRCRAFT || !Aircraft::From(v)->IsNormalAircraft()) return UINT_MAX;
00562
00563 {
00564 const Vehicle *w = v->Next();
00565 uint16 altitude = v->z_pos - w->z_pos;
00566 byte airporttype = ATP_TTDP_LARGE;
00567
00568 const Station *st = GetTargetAirportIfValid(Aircraft::From(v));
00569
00570 if (st != NULL && st->airport.tile != INVALID_TILE) {
00571 airporttype = st->airport.GetSpec()->ttd_airport_type;
00572 }
00573
00574 return (Clamp(altitude, 0, 0xFF) << 8) | airporttype;
00575 }
00576
00577 case 0x45: {
00578
00579
00580
00581
00582
00583 if (!v->IsGroundVehicle()) return 0;
00584
00585 const Vehicle *u_p = v->Previous();
00586 const Vehicle *u_n = v->Next();
00587 DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
00588 DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
00589 DirDiff t = ChangeDirDiff(f, b);
00590
00591 return ((t > DIRDIFF_REVERSE ? t | 8 : t) << 16) |
00592 ((b > DIRDIFF_REVERSE ? b | 8 : b) << 8) |
00593 ( f > DIRDIFF_REVERSE ? f | 8 : f);
00594 }
00595
00596 case 0x46:
00597 return v->motion_counter;
00598
00599 case 0x47: {
00600
00601
00602
00603
00604
00605
00606 const CargoSpec *cs = CargoSpec::Get(v->cargo_type);
00607
00608 return (cs->classes << 16) | (cs->weight << 8) | v->GetGRF()->cargo_map[v->cargo_type];
00609 }
00610
00611 case 0x48: return v->GetEngine()->flags;
00612 case 0x49: return v->build_year;
00613
00614 case 0x4A: {
00615 if (v->type != VEH_TRAIN) return 0;
00616 RailType rt = GetTileRailType(v->tile);
00617 return (HasPowerOnRail(Train::From(v)->railtype, rt) ? 0x100 : 0) | GetReverseRailTypeTranslation(rt, object->grffile);
00618 }
00619
00620 case 0x4B:
00621 return v->date_of_last_service;
00622
00623 case 0x4C:
00624 if (!v->IsPrimaryVehicle()) return 0;
00625 return v->GetCurrentMaxSpeed();
00626
00627
00628 case 0x60:
00629 if (v->type != VEH_TRAIN) return v->GetEngine()->grf_prop.local_id == parameter ? 1 : 0;
00630
00631 {
00632 uint count = 0;
00633 for (; v != NULL; v = v->Next()) {
00634 if (v->GetEngine()->grf_prop.local_id == parameter) count++;
00635 }
00636 return count;
00637 }
00638
00639 case 0x61:
00640 if (!v->IsGroundVehicle() || parameter == 0x61) return 0;
00641
00642
00643 if (object->callback == CBID_NO_CALLBACK || object->callback == CBID_RANDOM_TRIGGER || object->callback == CBID_TRAIN_ALLOW_WAGON_ATTACH ||
00644 object->callback == CBID_VEHICLE_START_STOP_CHECK || object->callback == CBID_VEHICLE_32DAY_CALLBACK || object->callback == CBID_VEHICLE_COLOUR_MAPPING) {
00645 Vehicle *u = v->Move((int32)GetRegister(0x10F));
00646 if (u == NULL) return 0;
00647
00648 return VehicleGetVariable(u, object, parameter, GetRegister(0x10E), available);
00649 }
00650 return 0;
00651
00652 case 0x62: {
00653
00654
00655
00656
00657
00658
00659
00660 if (!v->IsGroundVehicle()) return 0;
00661
00662 const Vehicle *u = v->Move((int8)parameter);
00663 if (u == NULL) return 0;
00664
00665
00666 bool prev = (int8)parameter < 0;
00667 uint32 ret = prev ? DirDifference(u->direction, v->direction) : DirDifference(v->direction, u->direction);
00668 if (ret > DIRDIFF_REVERSE) ret |= 0x08;
00669
00670 if (u->vehstatus & VS_HIDDEN) ret |= 0x80;
00671
00672
00673 ret |= ((prev ? u->x_pos - v->x_pos : v->x_pos - u->x_pos) & 0xFF) << 8;
00674 ret |= ((prev ? u->y_pos - v->y_pos : v->y_pos - u->y_pos) & 0xFF) << 16;
00675 ret |= ((prev ? u->z_pos - v->z_pos : v->z_pos - u->z_pos) & 0xFF) << 24;
00676
00677 return ret;
00678 }
00679
00680 case 0xFE:
00681 case 0xFF: {
00682 uint16 modflags = 0;
00683
00684 if (v->type == VEH_TRAIN) {
00685 const Train *t = Train::From(v);
00686 bool is_powered_wagon = HasBit(t->flags, VRF_POWEREDWAGON);
00687 const Train *u = is_powered_wagon ? t->First() : t;
00688 RailType railtype = GetRailType(v->tile);
00689 bool powered = t->IsEngine() || is_powered_wagon;
00690 bool has_power = HasPowerOnRail(u->railtype, railtype);
00691
00692 if (powered && has_power) SetBit(modflags, 5);
00693 if (powered && !has_power) SetBit(modflags, 6);
00694 if (HasBit(t->flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00695 }
00696 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00697
00698 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00699 }
00700 }
00701
00702
00703 switch (variable - 0x80) {
00704 case 0x00: return v->type + 0x10;
00705 case 0x01: return MapOldSubType(v);
00706 case 0x04: return v->index;
00707 case 0x05: return GB(v->index, 8, 8);
00708 case 0x0A: return v->current_order.MapOldOrder();
00709 case 0x0B: return v->current_order.GetDestination();
00710 case 0x0C: return v->GetNumOrders();
00711 case 0x0D: return v->cur_real_order_index;
00712 case 0x10:
00713 case 0x11: {
00714 uint ticks;
00715 if (v->current_order.IsType(OT_LOADING)) {
00716 ticks = v->load_unload_ticks;
00717 } else {
00718 switch (v->type) {
00719 case VEH_TRAIN: ticks = Train::From(v)->wait_counter; break;
00720 case VEH_AIRCRAFT: ticks = Aircraft::From(v)->turn_counter; break;
00721 default: ticks = 0; break;
00722 }
00723 }
00724 return (variable - 0x80) == 0x10 ? ticks : GB(ticks, 8, 8);
00725 }
00726 case 0x12: return Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF);
00727 case 0x13: return GB(Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF), 8, 8);
00728 case 0x14: return v->service_interval;
00729 case 0x15: return GB(v->service_interval, 8, 8);
00730 case 0x16: return v->last_station_visited;
00731 case 0x17: return v->tick_counter;
00732 case 0x18:
00733 case 0x19: {
00734 uint max_speed;
00735 switch (v->type) {
00736 case VEH_AIRCRAFT:
00737 max_speed = Aircraft::From(v)->GetSpeedOldUnits();
00738 break;
00739
00740 default:
00741 max_speed = v->vcache.cached_max_speed;
00742 break;
00743 }
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 0;
00753 case 0x29: return 0;
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 ClampToU16(v->age);
00768 case 0x41: return GB(ClampToU16(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 v->GetEngine()->grf_prop.local_id;
00774 case 0x47: return GB(v->GetEngine()->grf_prop.local_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 0x80 + VEHICLE_LENGTH - t->gcache.cached_veh_length;
00814 case 0x74: return t->gcache.cached_power;
00815 case 0x75: return GB(t->gcache.cached_power, 8, 24);
00816 case 0x76: return GB(t->gcache.cached_power, 16, 16);
00817 case 0x77: return GB(t->gcache.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
00825 case VEH_ROAD: {
00826 RoadVehicle *rv = RoadVehicle::From(v);
00827 switch (variable - 0x80) {
00828 case 0x62: return rv->state;
00829 case 0x64: return rv->blocked_ctr;
00830 case 0x65: return GB(rv->blocked_ctr, 8, 8);
00831 case 0x66: return rv->overtaking;
00832 case 0x67: return rv->overtaking_ctr;
00833 case 0x68: return rv->crashed_ctr;
00834 case 0x69: return GB(rv->crashed_ctr, 8, 8);
00835 }
00836 break;
00837 }
00838
00839 case VEH_SHIP: {
00840 Ship *s = Ship::From(v);
00841 switch (variable - 0x80) {
00842 case 0x62: return s->state;
00843 }
00844 break;
00845 }
00846
00847 case VEH_AIRCRAFT: {
00848 Aircraft *a = Aircraft::From(v);
00849 switch (variable - 0x80) {
00850 case 0x62: return MapAircraftMovementState(a);
00851 case 0x63: return a->targetairport;
00852 case 0x66: return MapAircraftMovementAction(a);
00853 }
00854 break;
00855 }
00856
00857 default: break;
00858 }
00859
00860 DEBUG(grf, 1, "Unhandled vehicle variable 0x%X, type 0x%X", variable, (uint)v->type);
00861
00862 *available = false;
00863 return UINT_MAX;
00864 }
00865
00866 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00867 {
00868 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00869
00870 if (v == NULL) {
00871
00872 switch (variable) {
00873 case 0x43: return GetCompanyInfo(_current_company, LiveryHelper(object->u.vehicle.self_type, NULL));
00874 case 0x46: return 0;
00875 case 0x47: {
00876 const Engine *e = Engine::Get(object->u.vehicle.self_type);
00877 CargoID cargo_type = e->GetDefaultCargoType();
00878 if (cargo_type != CT_INVALID) {
00879 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00880 return (cs->classes << 16) | (cs->weight << 8) | e->GetGRF()->cargo_map[cargo_type];
00881 } else {
00882 return 0x000000FF;
00883 }
00884 }
00885 case 0x48: return Engine::Get(object->u.vehicle.self_type)->flags;
00886 case 0x49: return _cur_year;
00887 case 0x4B: return _date;
00888 case 0x92: return Clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF);
00889 case 0x93: return GB(Clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF), 8, 8);
00890 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00891 case 0xDA: return INVALID_VEHICLE;
00892 case 0xF2: return 0;
00893 }
00894
00895 *available = false;
00896 return UINT_MAX;
00897 }
00898
00899 return VehicleGetVariable(v, object, variable, parameter, available);
00900 }
00901
00902
00903 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00904 {
00905 const Vehicle *v = object->u.vehicle.self;
00906
00907 if (v == NULL) {
00908 if (group->num_loading > 0) return group->loading[0];
00909 if (group->num_loaded > 0) return group->loaded[0];
00910 return NULL;
00911 }
00912
00913 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00914
00915 uint totalsets = in_motion ? group->num_loaded : group->num_loading;
00916
00917 if (totalsets == 0) return NULL;
00918
00919 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00920 set = min(set, totalsets - 1);
00921
00922 return in_motion ? group->loaded[set] : group->loading[set];
00923 }
00924
00925
00926 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00927 {
00928 res->GetRandomBits = &VehicleGetRandomBits;
00929 res->GetTriggers = &VehicleGetTriggers;
00930 res->SetTriggers = &VehicleSetTriggers;
00931 res->GetVariable = &VehicleGetVariable;
00932 res->ResolveReal = &VehicleResolveReal;
00933
00934 res->u.vehicle.self = v;
00935 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00936
00937 res->u.vehicle.self_type = engine_type;
00938 res->u.vehicle.info_view = false;
00939
00940 res->callback = CBID_NO_CALLBACK;
00941 res->callback_param1 = 0;
00942 res->callback_param2 = 0;
00943 res->ResetState();
00944
00945 const Engine *e = Engine::Get(engine_type);
00946 res->grffile = (e != NULL ? e->GetGRF() : NULL);
00947 }
00948
00949
00959 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00960 {
00961 const SpriteGroup *group;
00962 CargoID cargo;
00963
00964 if (v == NULL) {
00965 cargo = CT_PURCHASE;
00966 } else {
00967 cargo = v->cargo_type;
00968
00969 if (v->IsGroundVehicle()) {
00970
00971
00972
00973 if (use_cache && v->type == VEH_TRAIN) {
00974 group = Train::From(v)->tcache.cached_override;
00975 } else {
00976 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->GetGroundVehicleCache()->first_engine);
00977 }
00978 if (group != NULL) return group;
00979 }
00980 }
00981
00982 const Engine *e = Engine::Get(engine);
00983
00984 assert(cargo < lengthof(e->grf_prop.spritegroup));
00985 group = e->grf_prop.spritegroup[cargo];
00986 if (group != NULL) return group;
00987
00988
00989 return e->grf_prop.spritegroup[CT_DEFAULT];
00990 }
00991
00992
00993 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction, EngineImageType image_type)
00994 {
00995 const SpriteGroup *group;
00996 ResolverObject object;
00997
00998 NewVehicleResolver(&object, engine, v);
00999
01000 object.callback_param1 = image_type;
01001
01002 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v), &object);
01003 if (group == NULL || group->GetNumResults() == 0) return 0;
01004
01005 return group->GetResult() + (direction % group->GetNumResults());
01006 }
01007
01008
01009 SpriteID GetRotorOverrideSprite(EngineID engine, const Aircraft *v, bool info_view, EngineImageType image_type)
01010 {
01011 const Engine *e = Engine::Get(engine);
01012
01013
01014 assert(e->type == VEH_AIRCRAFT);
01015 assert(!(e->u.air.subtype & AIR_CTOL));
01016
01017 ResolverObject object;
01018
01019 NewVehicleResolver(&object, engine, v);
01020
01021 object.callback_param1 = image_type;
01022 object.u.vehicle.info_view = info_view;
01023
01024 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
01025 group = SpriteGroup::Resolve(group, &object);
01026
01027 if (group == NULL || group->GetNumResults() == 0) return 0;
01028
01029 if (v == NULL) return group->GetResult();
01030
01031 return group->GetResult() + (info_view ? 0 : (v->Next()->Next()->state % group->GetNumResults()));
01032 }
01033
01034
01040 bool UsesWagonOverride(const Vehicle *v)
01041 {
01042 assert(v->type == VEH_TRAIN);
01043 return Train::From(v)->tcache.cached_override != NULL;
01044 }
01045
01055 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
01056 {
01057 const SpriteGroup *group;
01058 ResolverObject object;
01059
01060 NewVehicleResolver(&object, engine, v);
01061
01062 object.callback = callback;
01063 object.callback_param1 = param1;
01064 object.callback_param2 = param2;
01065
01066 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01067 if (group == NULL) return CALLBACK_FAILED;
01068
01069 return group->GetCallbackResult();
01070 }
01071
01082 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
01083 {
01084 const SpriteGroup *group;
01085 ResolverObject object;
01086
01087 NewVehicleResolver(&object, engine, v);
01088
01089 object.callback = callback;
01090 object.callback_param1 = param1;
01091 object.callback_param2 = param2;
01092
01093 object.u.vehicle.parent = parent;
01094
01095 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01096 if (group == NULL) return CALLBACK_FAILED;
01097
01098 return group->GetCallbackResult();
01099 }
01100
01101
01102
01103 uint GetVehicleProperty(const Vehicle *v, PropertyID property, uint orig_value)
01104 {
01105 return GetEngineProperty(v->engine_type, property, orig_value, v);
01106 }
01107
01108
01109 uint GetEngineProperty(EngineID engine, PropertyID property, uint orig_value, const Vehicle *v)
01110 {
01111 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, v);
01112 if (callback != CALLBACK_FAILED) return callback;
01113
01114 return orig_value;
01115 }
01116
01117
01118 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01119 {
01120 const SpriteGroup *group;
01121 ResolverObject object;
01122 byte new_random_bits;
01123
01124
01125 assert(v != NULL);
01126
01127 NewVehicleResolver(&object, v->engine_type, v);
01128 object.callback = CBID_RANDOM_TRIGGER;
01129 object.trigger = trigger;
01130
01131 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01132 if (group == NULL) return;
01133
01134 new_random_bits = Random();
01135 uint32 reseed = object.GetReseedSum();
01136 v->random_bits &= ~reseed;
01137 v->random_bits |= (first ? new_random_bits : base_random_bits) & reseed;
01138
01139 switch (trigger) {
01140 case VEHICLE_TRIGGER_NEW_CARGO:
01141
01142
01143
01144
01145
01146
01147
01148 assert(first);
01149 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01150 break;
01151
01152 case VEHICLE_TRIGGER_DEPOT:
01153
01154
01155
01156 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01157 break;
01158
01159 case VEHICLE_TRIGGER_EMPTY:
01160
01161
01162
01163
01164 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01165 break;
01166
01167 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01168
01169
01170 assert(!first);
01171 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01172 break;
01173
01174 case VEHICLE_TRIGGER_CALLBACK_32:
01175
01176 break;
01177 }
01178 }
01179
01180 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01181 {
01182 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01183
01184 VehicleEnteredDepotThisTick(v);
01185 }
01186
01187 v->InvalidateNewGRFCacheOfChain();
01188 DoTriggerVehicle(v, trigger, 0, true);
01189 v->InvalidateNewGRFCacheOfChain();
01190 }
01191
01192
01193
01194 struct ListOrderChange {
01195 EngineID engine;
01196 uint target;
01197 };
01198
01199 static SmallVector<ListOrderChange, 16> _list_order_changes;
01200
01207 void AlterVehicleListOrder(EngineID engine, uint target)
01208 {
01209
01210 ListOrderChange *loc = _list_order_changes.Append();
01211 loc->engine = engine;
01212 loc->target = target;
01213 }
01214
01221 static int CDECL EnginePreSort(const EngineID *a, const EngineID *b)
01222 {
01223 const EngineIDMapping *id_a = _engine_mngr.Get(*a);
01224 const EngineIDMapping *id_b = _engine_mngr.Get(*b);
01225
01226
01227 if (id_a->type != id_b->type) return (int)id_a->type - (int)id_b->type;
01228
01229
01230 if (id_a->grfid != id_b->grfid) return id_a->grfid < id_b->grfid ? -1 : 1;
01231
01232
01233 return (int)id_a->internal_id - (int)id_b->internal_id;
01234 }
01235
01239 void CommitVehicleListOrderChanges()
01240 {
01241
01242 SmallVector<EngineID, 16> ordering;
01243 Engine *e;
01244 FOR_ALL_ENGINES(e) {
01245 *ordering.Append() = e->index;
01246 }
01247 QSortT(ordering.Begin(), ordering.Length(), EnginePreSort);
01248
01249
01250 const ListOrderChange *end = _list_order_changes.End();
01251 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01252 EngineID source = it->engine;
01253 uint local_target = it->target;
01254
01255 const EngineIDMapping *id_source = _engine_mngr.Get(source);
01256 if (id_source->internal_id == local_target) continue;
01257
01258 EngineID target = _engine_mngr.GetID(id_source->type, local_target, id_source->grfid);
01259 if (target == INVALID_ENGINE) continue;
01260
01261 int source_index = ordering.FindIndex(source);
01262 int target_index = ordering.FindIndex(target);
01263
01264 assert(source_index >= 0 && target_index >= 0);
01265 assert(source_index != target_index);
01266
01267 EngineID *list = ordering.Begin();
01268 if (source_index < target_index) {
01269 --target_index;
01270 for (int i = source_index; i < target_index; ++i) list[i] = list[i + 1];
01271 list[target_index] = source;
01272 } else {
01273 for (int i = source_index; i > target_index; --i) list[i] = list[i - 1];
01274 list[target_index] = source;
01275 }
01276 }
01277
01278
01279 const EngineID *idend = ordering.End();
01280 uint index = 0;
01281 for (const EngineID *it = ordering.Begin(); it != idend; ++it, ++index) {
01282 Engine::Get(*it)->list_position = index;
01283 }
01284
01285
01286 _list_order_changes.Reset();
01287 }
01288
01294 void GetVehicleResolver(ResolverObject *ro, uint index)
01295 {
01296 Vehicle *v = Vehicle::Get(index);
01297 NewVehicleResolver(ro, v->engine_type, v);
01298 }
01299
01304 void FillNewGRFVehicleCache(const Vehicle *v)
01305 {
01306 ResolverObject ro;
01307 memset(&ro, 0, sizeof(ro));
01308 GetVehicleResolver(&ro, v->index);
01309
01310
01311 static const int cache_entries[][2] = {
01312 { 0x40, NCVV_POSITION_CONSIST_LENGTH },
01313 { 0x41, NCVV_POSITION_SAME_ID_LENGTH },
01314 { 0x42, NCVV_CONSIST_CARGO_INFORMATION },
01315 { 0x43, NCVV_COMPANY_INFORMATION },
01316 };
01317 assert_compile(NCVV_END == lengthof(cache_entries));
01318
01319
01320 for (size_t i = 0; i < lengthof(cache_entries); i++) {
01321
01322 if (HasBit(v->grf_cache.cache_valid, cache_entries[i][1])) continue;
01323 bool stub;
01324 ro.GetVariable(&ro, cache_entries[i][0], 0, &stub);
01325 }
01326
01327
01328 assert(v->grf_cache.cache_valid == (1 << NCVV_END) - 1);
01329 }