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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
00027 struct WagonOverride {
00028 EngineID *train_id;
00029 uint trains;
00030 CargoID cargo;
00031 const SpriteGroup *group;
00032 };
00033
00034 void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const SpriteGroup *group, EngineID *train_id, uint trains)
00035 {
00036 Engine *e = Engine::Get(engine);
00037 WagonOverride *wo;
00038
00039 assert(cargo < NUM_CARGO + 2);
00040
00041 e->overrides_count++;
00042 e->overrides = ReallocT(e->overrides, e->overrides_count);
00043
00044 wo = &e->overrides[e->overrides_count - 1];
00045 wo->group = group;
00046 wo->cargo = cargo;
00047 wo->trains = trains;
00048 wo->train_id = MallocT<EngineID>(trains);
00049 memcpy(wo->train_id, train_id, trains * sizeof *train_id);
00050 }
00051
00052 const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, EngineID overriding_engine)
00053 {
00054 const Engine *e = Engine::Get(engine);
00055
00056
00057
00058
00059
00060
00061 for (uint i = 0; i < e->overrides_count; i++) {
00062 const WagonOverride *wo = &e->overrides[i];
00063
00064 if (wo->cargo != cargo && wo->cargo != CT_DEFAULT) continue;
00065
00066 for (uint j = 0; j < wo->trains; j++) {
00067 if (wo->train_id[j] == overriding_engine) return wo->group;
00068 }
00069 }
00070 return NULL;
00071 }
00072
00076 void UnloadWagonOverrides(Engine *e)
00077 {
00078 for (uint i = 0; i < e->overrides_count; i++) {
00079 WagonOverride *wo = &e->overrides[i];
00080 free(wo->train_id);
00081 }
00082 free(e->overrides);
00083 e->overrides_count = 0;
00084 e->overrides = NULL;
00085 }
00086
00087
00088 void SetCustomEngineSprites(EngineID engine, byte cargo, const SpriteGroup *group)
00089 {
00090 Engine *e = Engine::Get(engine);
00091 assert(cargo < lengthof(e->grf_prop.spritegroup));
00092
00093 if (e->grf_prop.spritegroup[cargo] != NULL) {
00094 grfmsg(6, "SetCustomEngineSprites: engine %d cargo %d already has group -- replacing", engine, cargo);
00095 }
00096 e->grf_prop.spritegroup[cargo] = group;
00097 }
00098
00099
00106 void SetEngineGRF(EngineID engine, const GRFFile *file)
00107 {
00108 Engine *e = Engine::Get(engine);
00109 e->grf_prop.grffile = file;
00110 }
00111
00112
00113 static int MapOldSubType(const Vehicle *v)
00114 {
00115 switch (v->type) {
00116 case VEH_TRAIN:
00117 if (Train::From(v)->IsEngine()) return 0;
00118 if (Train::From(v)->IsFreeWagon()) return 4;
00119 return 2;
00120 case VEH_ROAD:
00121 case VEH_SHIP: return 0;
00122 case VEH_AIRCRAFT:
00123 case VEH_DISASTER: return v->subtype;
00124 case VEH_EFFECT: return v->subtype << 1;
00125 default: NOT_REACHED();
00126 }
00127 }
00128
00129
00130
00131 enum TTDPAircraftMovementStates {
00132 AMS_TTDP_HANGAR,
00133 AMS_TTDP_TO_HANGAR,
00134 AMS_TTDP_TO_PAD1,
00135 AMS_TTDP_TO_PAD2,
00136 AMS_TTDP_TO_PAD3,
00137 AMS_TTDP_TO_ENTRY_2_AND_3,
00138 AMS_TTDP_TO_ENTRY_2_AND_3_AND_H,
00139 AMS_TTDP_TO_JUNCTION,
00140 AMS_TTDP_LEAVE_RUNWAY,
00141 AMS_TTDP_TO_INWAY,
00142 AMS_TTDP_TO_RUNWAY,
00143 AMS_TTDP_TO_OUTWAY,
00144 AMS_TTDP_WAITING,
00145 AMS_TTDP_TAKEOFF,
00146 AMS_TTDP_TO_TAKEOFF,
00147 AMS_TTDP_CLIMBING,
00148 AMS_TTDP_FLIGHT_APPROACH,
00149 AMS_TTDP_UNUSED_0x11,
00150 AMS_TTDP_FLIGHT_TO_TOWER,
00151 AMS_TTDP_UNUSED_0x13,
00152 AMS_TTDP_FLIGHT_FINAL,
00153 AMS_TTDP_FLIGHT_DESCENT,
00154 AMS_TTDP_BRAKING,
00155 AMS_TTDP_HELI_TAKEOFF_AIRPORT,
00156 AMS_TTDP_HELI_TO_TAKEOFF_AIRPORT,
00157 AMS_TTDP_HELI_LAND_AIRPORT,
00158 AMS_TTDP_HELI_TAKEOFF_HELIPORT,
00159 AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT,
00160 AMS_TTDP_HELI_LAND_HELIPORT,
00161 };
00162
00163
00168 static byte MapAircraftMovementState(const Aircraft *v)
00169 {
00170 const Station *st = GetTargetAirportIfValid(v);
00171 if (st == NULL) return AMS_TTDP_FLIGHT_TO_TOWER;
00172
00173 const AirportFTAClass *afc = st->airport.GetFTA();
00174 uint16 amdflag = afc->MovingData(v->pos)->flag;
00175
00176 switch (v->state) {
00177 case HANGAR:
00178
00179
00180
00181
00182
00183
00184 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00185
00186
00187
00188 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00189
00190
00191
00192 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGAR;
00193
00194
00195 return AMS_TTDP_TO_HANGAR;
00196
00197 case TERM1:
00198 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1;
00199 return AMS_TTDP_TO_JUNCTION;
00200
00201 case TERM2:
00202 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2;
00203 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00204
00205 case TERM3:
00206 case TERM4:
00207 case TERM5:
00208 case TERM6:
00209 case TERM7:
00210 case TERM8:
00211
00212 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3;
00213 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00214
00215 case HELIPAD1:
00216 case HELIPAD2:
00217 case HELIPAD3:
00218
00219 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00220 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00221 return AMS_TTDP_TO_JUNCTION;
00222
00223 case TAKEOFF:
00224 return AMS_TTDP_TO_OUTWAY;
00225
00226 case STARTTAKEOFF:
00227 return AMS_TTDP_TAKEOFF;
00228
00229 case ENDTAKEOFF:
00230 return AMS_TTDP_CLIMBING;
00231
00232 case HELITAKEOFF:
00233 if (afc->delta_z == 0) {
00234 return amdflag & AMED_HELI_RAISE ?
00235 AMS_TTDP_HELI_TAKEOFF_AIRPORT : AMS_TTDP_TO_JUNCTION;
00236 } else {
00237 return AMS_TTDP_HELI_TAKEOFF_HELIPORT;
00238 }
00239
00240 case FLYING:
00241 return amdflag & AMED_HOLD ? AMS_TTDP_FLIGHT_APPROACH : AMS_TTDP_FLIGHT_TO_TOWER;
00242
00243 case LANDING:
00244 return AMS_TTDP_FLIGHT_DESCENT;
00245
00246 case ENDLANDING:
00247 if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING;
00248
00249 return AMS_TTDP_TO_INWAY;
00250
00251 case HELILANDING:
00252 case HELIENDLANDING:
00253 if (amdflag & AMED_HELI_LOWER) {
00254 return afc->delta_z == 0 ?
00255 AMS_TTDP_HELI_LAND_AIRPORT : AMS_TTDP_HELI_LAND_HELIPORT;
00256 } else {
00257 return AMS_TTDP_FLIGHT_TO_TOWER;
00258 }
00259
00260 default:
00261 return AMS_TTDP_HANGAR;
00262 }
00263 }
00264
00265
00266
00267 enum TTDPAircraftMovementActions {
00268 AMA_TTDP_IN_HANGAR,
00269 AMA_TTDP_ON_PAD1,
00270 AMA_TTDP_ON_PAD2,
00271 AMA_TTDP_ON_PAD3,
00272 AMA_TTDP_HANGAR_TO_PAD1,
00273 AMA_TTDP_HANGAR_TO_PAD2,
00274 AMA_TTDP_HANGAR_TO_PAD3,
00275 AMA_TTDP_LANDING_TO_PAD1,
00276 AMA_TTDP_LANDING_TO_PAD2,
00277 AMA_TTDP_LANDING_TO_PAD3,
00278 AMA_TTDP_PAD1_TO_HANGAR,
00279 AMA_TTDP_PAD2_TO_HANGAR,
00280 AMA_TTDP_PAD3_TO_HANGAR,
00281 AMA_TTDP_PAD1_TO_TAKEOFF,
00282 AMA_TTDP_PAD2_TO_TAKEOFF,
00283 AMA_TTDP_PAD3_TO_TAKEOFF,
00284 AMA_TTDP_HANGAR_TO_TAKOFF,
00285 AMA_TTDP_LANDING_TO_HANGAR,
00286 AMA_TTDP_IN_FLIGHT,
00287 };
00288
00289
00295 static byte MapAircraftMovementAction(const Aircraft *v)
00296 {
00297 switch (v->state) {
00298 case HANGAR:
00299 return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_IN_HANGAR;
00300
00301 case TERM1:
00302 case HELIPAD1:
00303 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1;
00304
00305 case TERM2:
00306 case HELIPAD2:
00307 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2;
00308
00309 case TERM3:
00310 case TERM4:
00311 case TERM5:
00312 case TERM6:
00313 case TERM7:
00314 case TERM8:
00315 case HELIPAD3:
00316 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3;
00317
00318 case TAKEOFF:
00319 case STARTTAKEOFF:
00320 case ENDTAKEOFF:
00321 case HELITAKEOFF:
00322
00323 return AMA_TTDP_PAD1_TO_TAKEOFF;
00324
00325 case FLYING:
00326 return AMA_TTDP_IN_FLIGHT;
00327
00328 case LANDING:
00329 case ENDLANDING:
00330 case HELILANDING:
00331 case HELIENDLANDING:
00332
00333 return (v->current_order.IsType(OT_GOTO_DEPOT)) ?
00334 AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_LANDING_TO_PAD1;
00335
00336 default:
00337 return AMA_TTDP_IN_HANGAR;
00338 }
00339 }
00340
00341
00342
00343 static inline const Vehicle *GRV(const ResolverObject *object)
00344 {
00345 switch (object->scope) {
00346 default: NOT_REACHED();
00347 case VSG_SCOPE_SELF: return object->u.vehicle.self;
00348 case VSG_SCOPE_PARENT: return object->u.vehicle.parent;
00349 case VSG_SCOPE_RELATIVE: {
00350 if (object->u.vehicle.self == NULL) return NULL;
00351 const Vehicle *v = NULL;
00352 switch (GB(object->count, 6, 2)) {
00353 default: NOT_REACHED();
00354 case 0x00:
00355 case 0x01:
00356 v = object->u.vehicle.self;
00357 break;
00358 case 0x02:
00359 v = object->u.vehicle.parent;
00360 break;
00361 case 0x03: {
00362 const Vehicle *self = object->u.vehicle.self;
00363 for (const Vehicle *u = self->First(); u != self; u = u->Next()) {
00364 if (u->engine_type != self->engine_type) {
00365 v = NULL;
00366 } else {
00367 if (v == NULL) v = u;
00368 }
00369 }
00370 if (v == NULL) v = self;
00371 break;
00372 }
00373 }
00374 uint32 count = GB(object->count, 0, 4);
00375 if (count == 0) count = GetRegister(0x100);
00376 while (v != NULL && count-- != 0) v = (GB(object->count, 6, 2) == 0x01) ? v->Previous() : v->Next();
00377 return v;
00378 }
00379 }
00380 }
00381
00382
00383 static uint32 VehicleGetRandomBits(const ResolverObject *object)
00384 {
00385 return GRV(object) == NULL ? 0 : GRV(object)->random_bits;
00386 }
00387
00388
00389 static uint32 VehicleGetTriggers(const ResolverObject *object)
00390 {
00391 return GRV(object) == NULL ? 0 : GRV(object)->waiting_triggers;
00392 }
00393
00394
00395 static void VehicleSetTriggers(const ResolverObject *object, int triggers)
00396 {
00397
00398
00399
00400
00401 Vehicle *v = const_cast<Vehicle *>(GRV(object));
00402
00403
00404
00405 assert(object->trigger != 0);
00406
00407 if (v != NULL) v->waiting_triggers = triggers;
00408 }
00409
00410
00420 static const Livery *LiveryHelper(EngineID engine, const Vehicle *v)
00421 {
00422 const Livery *l;
00423
00424 if (v == NULL) {
00425 if (!Company::IsValidID(_current_company)) return NULL;
00426 l = GetEngineLivery(engine, _current_company, INVALID_ENGINE, NULL, LIT_ALL);
00427 } else if (v->IsGroundVehicle()) {
00428 l = GetEngineLivery(v->engine_type, v->owner, v->GetGroundVehicleCache()->first_engine, v, LIT_ALL);
00429 } else {
00430 l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v, LIT_ALL);
00431 }
00432
00433 return l;
00434 }
00435
00443 static uint32 PositionHelper(const Vehicle *v, bool consecutive)
00444 {
00445 const Vehicle *u;
00446 byte chain_before = 0;
00447 byte chain_after = 0;
00448
00449 for (u = v->First(); u != v; u = u->Next()) {
00450 chain_before++;
00451 if (consecutive && u->engine_type != v->engine_type) chain_before = 0;
00452 }
00453
00454 while (u->Next() != NULL && (!consecutive || u->Next()->engine_type == v->engine_type)) {
00455 chain_after++;
00456 u = u->Next();
00457 }
00458
00459 return chain_before | chain_after << 8 | (chain_before + chain_after + consecutive) << 16;
00460 }
00461
00462 static uint32 VehicleGetVariable(Vehicle *v, const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00463 {
00464
00465 switch (variable) {
00466 case 0x25:
00467 return v->GetGRFID();
00468
00469 case 0x40:
00470 if (!HasBit(v->grf_cache.cache_valid, NCVV_POSITION_CONSIST_LENGTH)) {
00471 v->grf_cache.position_consist_length = PositionHelper(v, false);
00472 SetBit(v->grf_cache.cache_valid, NCVV_POSITION_CONSIST_LENGTH);
00473 }
00474 return v->grf_cache.position_consist_length;
00475
00476 case 0x41:
00477 if (!HasBit(v->grf_cache.cache_valid, NCVV_POSITION_SAME_ID_LENGTH)) {
00478 v->grf_cache.position_same_id_length = PositionHelper(v, true);
00479 SetBit(v->grf_cache.cache_valid, NCVV_POSITION_SAME_ID_LENGTH);
00480 }
00481 return v->grf_cache.position_same_id_length;
00482
00483 case 0x42: {
00484 if (!HasBit(v->grf_cache.cache_valid, NCVV_CONSIST_CARGO_INFORMATION)) {
00485 const Vehicle *u;
00486 byte cargo_classes = 0;
00487 uint8 common_cargoes[NUM_CARGO];
00488 uint8 common_subtypes[256];
00489 byte user_def_data = 0;
00490 CargoID common_cargo_type = CT_INVALID;
00491 uint8 common_subtype = 0xFF;
00492
00493
00494 memset(common_cargoes, 0, sizeof(common_cargoes));
00495 memset(common_subtypes, 0, sizeof(common_subtypes));
00496
00497 for (u = v; u != NULL; u = u->Next()) {
00498 if (v->type == VEH_TRAIN) user_def_data |= Train::From(u)->tcache.user_def_data;
00499
00500
00501 if (!u->GetEngine()->CanCarryCargo()) continue;
00502
00503 cargo_classes |= CargoSpec::Get(u->cargo_type)->classes;
00504 common_cargoes[u->cargo_type]++;
00505 }
00506
00507
00508 uint common_cargo_best_amount = 0;
00509 for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
00510 if (common_cargoes[cargo] > common_cargo_best_amount) {
00511 common_cargo_best_amount = common_cargoes[cargo];
00512 common_cargo_type = cargo;
00513 }
00514 }
00515
00516
00517 for (u = v; u != NULL; u = u->Next()) {
00518
00519 if (u->cargo_type != common_cargo_type || !u->GetEngine()->CanCarryCargo()) continue;
00520
00521 common_subtypes[u->cargo_subtype]++;
00522 }
00523
00524
00525 uint common_subtype_best_amount = 0;
00526 for (uint i = 0; i < lengthof(common_subtypes); i++) {
00527 if (common_subtypes[i] > common_subtype_best_amount) {
00528 common_subtype_best_amount = common_subtypes[i];
00529 common_subtype = i;
00530 }
00531 }
00532
00533
00534
00535 v->grf_cache.consist_cargo_information = cargo_classes | (common_cargo_type << 8) | (common_subtype << 16) | (user_def_data << 24);
00536 SetBit(v->grf_cache.cache_valid, NCVV_CONSIST_CARGO_INFORMATION);
00537 }
00538
00539
00540 CargoID common_cargo_type = (v->grf_cache.consist_cargo_information >> 8) & 0xFF;
00541
00542
00543
00544
00545 const GRFFile *grffile = object->grffile;
00546 uint8 common_bitnum = (common_cargo_type == CT_INVALID) ? 0xFF :
00547 (grffile == NULL || grffile->grf_version < 8) ? CargoSpec::Get(common_cargo_type)->bitnum : grffile->cargo_map[common_cargo_type];
00548
00549 return (v->grf_cache.consist_cargo_information & 0xFFFF00FF) | common_bitnum << 8;
00550 }
00551
00552 case 0x43:
00553 if (!HasBit(v->grf_cache.cache_valid, NCVV_COMPANY_INFORMATION)) {
00554 v->grf_cache.company_information = GetCompanyInfo(v->owner, LiveryHelper(v->engine_type, v));
00555 SetBit(v->grf_cache.cache_valid, NCVV_COMPANY_INFORMATION);
00556 }
00557 return v->grf_cache.company_information;
00558
00559 case 0x44:
00560 if (v->type != VEH_AIRCRAFT || !Aircraft::From(v)->IsNormalAircraft()) return UINT_MAX;
00561
00562 {
00563 const Vehicle *w = v->Next();
00564 uint16 altitude = v->z_pos - w->z_pos;
00565 byte airporttype = ATP_TTDP_LARGE;
00566
00567 const Station *st = GetTargetAirportIfValid(Aircraft::From(v));
00568
00569 if (st != NULL && st->airport.tile != INVALID_TILE) {
00570 airporttype = st->airport.GetSpec()->ttd_airport_type;
00571 }
00572
00573 return (Clamp(altitude, 0, 0xFF) << 8) | airporttype;
00574 }
00575
00576 case 0x45: {
00577
00578
00579
00580
00581
00582 if (!v->IsGroundVehicle()) return 0;
00583
00584 const Vehicle *u_p = v->Previous();
00585 const Vehicle *u_n = v->Next();
00586 DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
00587 DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
00588 DirDiff t = ChangeDirDiff(f, b);
00589
00590 return ((t > DIRDIFF_REVERSE ? t | 8 : t) << 16) |
00591 ((b > DIRDIFF_REVERSE ? b | 8 : b) << 8) |
00592 ( f > DIRDIFF_REVERSE ? f | 8 : f);
00593 }
00594
00595 case 0x46:
00596 return v->motion_counter;
00597
00598 case 0x47: {
00599
00600
00601
00602
00603
00604
00605 const CargoSpec *cs = CargoSpec::Get(v->cargo_type);
00606
00607 return (cs->classes << 16) | (cs->weight << 8) | v->GetGRF()->cargo_map[v->cargo_type];
00608 }
00609
00610 case 0x48: return v->GetEngine()->flags;
00611 case 0x49: return v->build_year;
00612
00613 case 0x4A: {
00614 if (v->type != VEH_TRAIN) return 0;
00615 RailType rt = GetTileRailType(v->tile);
00616 return (HasPowerOnRail(Train::From(v)->railtype, rt) ? 0x100 : 0) | GetReverseRailTypeTranslation(rt, object->grffile);
00617 }
00618
00619 case 0x4B:
00620 return v->date_of_last_service;
00621
00622 case 0x4C:
00623 if (!v->IsPrimaryVehicle()) return 0;
00624 return v->GetCurrentMaxSpeed();
00625
00626
00627 case 0x60:
00628 if (v->type != VEH_TRAIN) return v->GetEngine()->grf_prop.local_id == parameter ? 1 : 0;
00629
00630 {
00631 uint count = 0;
00632 for (; v != NULL; v = v->Next()) {
00633 if (v->GetEngine()->grf_prop.local_id == parameter) count++;
00634 }
00635 return count;
00636 }
00637
00638 case 0x61:
00639 if (!v->IsGroundVehicle() || parameter == 0x61) return 0;
00640
00641
00642 if (object->callback == CBID_NO_CALLBACK || object->callback == CBID_TRAIN_ALLOW_WAGON_ATTACH || object->callback == CBID_VEHICLE_START_STOP_CHECK || object->callback == CBID_VEHICLE_32DAY_CALLBACK) {
00643 Vehicle *u = v->Move((int32)GetRegister(0x10F));
00644 if (u == NULL) return 0;
00645
00646 return VehicleGetVariable(u, object, parameter, GetRegister(0x10E), available);
00647 }
00648 return 0;
00649
00650 case 0x62: {
00651
00652
00653
00654
00655
00656
00657
00658 if (!v->IsGroundVehicle()) return 0;
00659
00660 const Vehicle *u = v->Move((int8)parameter);
00661 if (u == NULL) return 0;
00662
00663
00664 bool prev = (int8)parameter < 0;
00665 uint32 ret = prev ? DirDifference(u->direction, v->direction) : DirDifference(v->direction, u->direction);
00666 if (ret > DIRDIFF_REVERSE) ret |= 0x08;
00667
00668 if (u->vehstatus & VS_HIDDEN) ret |= 0x80;
00669
00670
00671 ret |= ((prev ? u->x_pos - v->x_pos : v->x_pos - u->x_pos) & 0xFF) << 8;
00672 ret |= ((prev ? u->y_pos - v->y_pos : v->y_pos - u->y_pos) & 0xFF) << 16;
00673 ret |= ((prev ? u->z_pos - v->z_pos : v->z_pos - u->z_pos) & 0xFF) << 24;
00674
00675 return ret;
00676 }
00677
00678 case 0xFE:
00679 case 0xFF: {
00680 uint16 modflags = 0;
00681
00682 if (v->type == VEH_TRAIN) {
00683 const Train *t = Train::From(v);
00684 bool is_powered_wagon = HasBit(t->flags, VRF_POWEREDWAGON);
00685 const Train *u = is_powered_wagon ? t->First() : t;
00686 RailType railtype = GetRailType(v->tile);
00687 bool powered = t->IsEngine() || is_powered_wagon;
00688 bool has_power = HasPowerOnRail(u->railtype, railtype);
00689
00690 if (powered && has_power) SetBit(modflags, 5);
00691 if (powered && !has_power) SetBit(modflags, 6);
00692 if (HasBit(t->flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00693 }
00694 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00695
00696 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00697 }
00698 }
00699
00700
00701 switch (variable - 0x80) {
00702 case 0x00: return v->type + 0x10;
00703 case 0x01: return MapOldSubType(v);
00704 case 0x04: return v->index;
00705 case 0x05: return GB(v->index, 8, 8);
00706 case 0x0A: return v->current_order.MapOldOrder();
00707 case 0x0B: return v->current_order.GetDestination();
00708 case 0x0C: return v->GetNumOrders();
00709 case 0x0D: return v->cur_real_order_index;
00710 case 0x10:
00711 case 0x11: {
00712 uint ticks;
00713 if (v->current_order.IsType(OT_LOADING)) {
00714 ticks = v->load_unload_ticks;
00715 } else {
00716 switch (v->type) {
00717 case VEH_TRAIN: ticks = Train::From(v)->wait_counter; break;
00718 case VEH_AIRCRAFT: ticks = Aircraft::From(v)->turn_counter; break;
00719 default: ticks = 0; break;
00720 }
00721 }
00722 return (variable - 0x80) == 0x10 ? ticks : GB(ticks, 8, 8);
00723 }
00724 case 0x12: return Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF);
00725 case 0x13: return GB(Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF), 8, 8);
00726 case 0x14: return v->service_interval;
00727 case 0x15: return GB(v->service_interval, 8, 8);
00728 case 0x16: return v->last_station_visited;
00729 case 0x17: return v->tick_counter;
00730 case 0x18:
00731 case 0x19: {
00732 uint max_speed;
00733 switch (v->type) {
00734 case VEH_AIRCRAFT:
00735 max_speed = Aircraft::From(v)->GetSpeedOldUnits();
00736 break;
00737
00738 default:
00739 max_speed = v->vcache.cached_max_speed;
00740 break;
00741 }
00742 return (variable - 0x80) == 0x18 ? max_speed : GB(max_speed, 8, 8);
00743 }
00744 case 0x1A: return v->x_pos;
00745 case 0x1B: return GB(v->x_pos, 8, 8);
00746 case 0x1C: return v->y_pos;
00747 case 0x1D: return GB(v->y_pos, 8, 8);
00748 case 0x1E: return v->z_pos;
00749 case 0x1F: return object->u.vehicle.info_view ? DIR_W : v->direction;
00750 case 0x28: return 0;
00751 case 0x29: return 0;
00752 case 0x32: return v->vehstatus;
00753 case 0x33: return 0;
00754 case 0x34: return v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed;
00755 case 0x35: return GB(v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed, 8, 8);
00756 case 0x36: return v->subspeed;
00757 case 0x37: return v->acceleration;
00758 case 0x39: return v->cargo_type;
00759 case 0x3A: return v->cargo_cap;
00760 case 0x3B: return GB(v->cargo_cap, 8, 8);
00761 case 0x3C: return ClampToU16(v->cargo.Count());
00762 case 0x3D: return GB(ClampToU16(v->cargo.Count()), 8, 8);
00763 case 0x3E: return v->cargo.Source();
00764 case 0x3F: return ClampU(v->cargo.DaysInTransit(), 0, 0xFF);
00765 case 0x40: return ClampToU16(v->age);
00766 case 0x41: return GB(ClampToU16(v->age), 8, 8);
00767 case 0x42: return ClampToU16(v->max_age);
00768 case 0x43: return GB(ClampToU16(v->max_age), 8, 8);
00769 case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00770 case 0x45: return v->unitnumber;
00771 case 0x46: return v->GetEngine()->grf_prop.local_id;
00772 case 0x47: return GB(v->GetEngine()->grf_prop.local_id, 8, 8);
00773 case 0x48:
00774 if (v->type != VEH_TRAIN || v->spritenum != 0xFD) return v->spritenum;
00775 return HasBit(Train::From(v)->flags, VRF_REVERSE_DIRECTION) ? 0xFE : 0xFD;
00776
00777 case 0x49: return v->day_counter;
00778 case 0x4A: return v->breakdowns_since_last_service;
00779 case 0x4B: return v->breakdown_ctr;
00780 case 0x4C: return v->breakdown_delay;
00781 case 0x4D: return v->breakdown_chance;
00782 case 0x4E: return v->reliability;
00783 case 0x4F: return GB(v->reliability, 8, 8);
00784 case 0x50: return v->reliability_spd_dec;
00785 case 0x51: return GB(v->reliability_spd_dec, 8, 8);
00786 case 0x52: return ClampToI32(v->GetDisplayProfitThisYear());
00787 case 0x53: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 8, 24);
00788 case 0x54: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 16, 16);
00789 case 0x55: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 24, 8);
00790 case 0x56: return ClampToI32(v->GetDisplayProfitLastYear());
00791 case 0x57: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 8, 24);
00792 case 0x58: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 16, 16);
00793 case 0x59: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 24, 8);
00794 case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
00795 case 0x5C: return ClampToI32(v->value);
00796 case 0x5D: return GB(ClampToI32(v->value), 8, 24);
00797 case 0x5E: return GB(ClampToI32(v->value), 16, 16);
00798 case 0x5F: return GB(ClampToI32(v->value), 24, 8);
00799 case 0x72: return v->cargo_subtype;
00800 case 0x7A: return v->random_bits;
00801 case 0x7B: return v->waiting_triggers;
00802 }
00803
00804
00805 switch (v->type) {
00806 case VEH_TRAIN: {
00807 Train *t = Train::From(v);
00808 switch (variable - 0x80) {
00809 case 0x62: return t->track;
00810 case 0x66: return t->railtype;
00811 case 0x73: return 0x80 + VEHICLE_LENGTH - t->gcache.cached_veh_length;
00812 case 0x74: return t->gcache.cached_power;
00813 case 0x75: return GB(t->gcache.cached_power, 8, 24);
00814 case 0x76: return GB(t->gcache.cached_power, 16, 16);
00815 case 0x77: return GB(t->gcache.cached_power, 24, 8);
00816 case 0x7C: return t->First()->index;
00817 case 0x7D: return GB(t->First()->index, 8, 8);
00818 case 0x7F: return 0;
00819 }
00820 break;
00821 }
00822
00823 case VEH_ROAD: {
00824 RoadVehicle *rv = RoadVehicle::From(v);
00825 switch (variable - 0x80) {
00826 case 0x62: return rv->state;
00827 case 0x64: return rv->blocked_ctr;
00828 case 0x65: return GB(rv->blocked_ctr, 8, 8);
00829 case 0x66: return rv->overtaking;
00830 case 0x67: return rv->overtaking_ctr;
00831 case 0x68: return rv->crashed_ctr;
00832 case 0x69: return GB(rv->crashed_ctr, 8, 8);
00833 }
00834 break;
00835 }
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
00847 default: break;
00848 }
00849
00850 DEBUG(grf, 1, "Unhandled vehicle variable 0x%X, type 0x%X", variable, (uint)v->type);
00851
00852 *available = false;
00853 return UINT_MAX;
00854 }
00855
00856 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00857 {
00858 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00859
00860 if (v == NULL) {
00861
00862 switch (variable) {
00863 case 0x43: return GetCompanyInfo(_current_company, LiveryHelper(object->u.vehicle.self_type, NULL));
00864 case 0x46: return 0;
00865 case 0x47: {
00866 const Engine *e = Engine::Get(object->u.vehicle.self_type);
00867 CargoID cargo_type = e->GetDefaultCargoType();
00868 if (cargo_type != CT_INVALID) {
00869 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00870 return (cs->classes << 16) | (cs->weight << 8) | e->GetGRF()->cargo_map[cargo_type];
00871 } else {
00872 return 0x000000FF;
00873 }
00874 }
00875 case 0x48: return Engine::Get(object->u.vehicle.self_type)->flags;
00876 case 0x49: return _cur_year;
00877 case 0x4B: return _date;
00878 case 0x92: return Clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF);
00879 case 0x93: return GB(Clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF), 8, 8);
00880 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00881 case 0xDA: return INVALID_VEHICLE;
00882 case 0xF2: return 0;
00883 }
00884
00885 *available = false;
00886 return UINT_MAX;
00887 }
00888
00889 return VehicleGetVariable(v, object, variable, parameter, available);
00890 }
00891
00892
00893 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00894 {
00895 const Vehicle *v = object->u.vehicle.self;
00896
00897 if (v == NULL) {
00898 if (group->num_loading > 0) return group->loading[0];
00899 if (group->num_loaded > 0) return group->loaded[0];
00900 return NULL;
00901 }
00902
00903 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00904
00905 uint totalsets = in_motion ? group->num_loaded : group->num_loading;
00906
00907 if (totalsets == 0) return NULL;
00908
00909 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00910 set = min(set, totalsets - 1);
00911
00912 return in_motion ? group->loaded[set] : group->loading[set];
00913 }
00914
00915
00916 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00917 {
00918 res->GetRandomBits = &VehicleGetRandomBits;
00919 res->GetTriggers = &VehicleGetTriggers;
00920 res->SetTriggers = &VehicleSetTriggers;
00921 res->GetVariable = &VehicleGetVariable;
00922 res->ResolveReal = &VehicleResolveReal;
00923
00924 res->u.vehicle.self = v;
00925 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00926
00927 res->u.vehicle.self_type = engine_type;
00928 res->u.vehicle.info_view = false;
00929
00930 res->callback = CBID_NO_CALLBACK;
00931 res->callback_param1 = 0;
00932 res->callback_param2 = 0;
00933 res->ResetState();
00934
00935 const Engine *e = Engine::Get(engine_type);
00936 res->grffile = (e != NULL ? e->GetGRF() : NULL);
00937 }
00938
00939
00949 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00950 {
00951 const SpriteGroup *group;
00952 CargoID cargo;
00953
00954 if (v == NULL) {
00955 cargo = CT_PURCHASE;
00956 } else {
00957 cargo = v->cargo_type;
00958
00959 if (v->IsGroundVehicle()) {
00960
00961
00962
00963 if (use_cache && v->type == VEH_TRAIN) {
00964 group = Train::From(v)->tcache.cached_override;
00965 } else {
00966 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->GetGroundVehicleCache()->first_engine);
00967 }
00968 if (group != NULL) return group;
00969 }
00970 }
00971
00972 const Engine *e = Engine::Get(engine);
00973
00974 assert(cargo < lengthof(e->grf_prop.spritegroup));
00975 group = e->grf_prop.spritegroup[cargo];
00976 if (group != NULL) return group;
00977
00978
00979 return e->grf_prop.spritegroup[CT_DEFAULT];
00980 }
00981
00982
00983 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction, EngineImageType image_type)
00984 {
00985 const SpriteGroup *group;
00986 ResolverObject object;
00987
00988 NewVehicleResolver(&object, engine, v);
00989
00990 object.callback_param1 = image_type;
00991
00992 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v), &object);
00993 if (group == NULL || group->GetNumResults() == 0) return 0;
00994
00995 return group->GetResult() + (direction % group->GetNumResults());
00996 }
00997
00998
00999 SpriteID GetRotorOverrideSprite(EngineID engine, const Aircraft *v, bool info_view, EngineImageType image_type)
01000 {
01001 const Engine *e = Engine::Get(engine);
01002
01003
01004 assert(e->type == VEH_AIRCRAFT);
01005 assert(!(e->u.air.subtype & AIR_CTOL));
01006
01007 ResolverObject object;
01008
01009 NewVehicleResolver(&object, engine, v);
01010
01011 object.callback_param1 = image_type;
01012 object.u.vehicle.info_view = info_view;
01013
01014 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
01015 group = SpriteGroup::Resolve(group, &object);
01016
01017 if (group == NULL || group->GetNumResults() == 0) return 0;
01018
01019 if (v == NULL) return group->GetResult();
01020
01021 return group->GetResult() + (info_view ? 0 : (v->Next()->Next()->state % group->GetNumResults()));
01022 }
01023
01024
01030 bool UsesWagonOverride(const Vehicle *v)
01031 {
01032 assert(v->type == VEH_TRAIN);
01033 return Train::From(v)->tcache.cached_override != NULL;
01034 }
01035
01045 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
01046 {
01047 const SpriteGroup *group;
01048 ResolverObject object;
01049
01050 NewVehicleResolver(&object, engine, v);
01051
01052 object.callback = callback;
01053 object.callback_param1 = param1;
01054 object.callback_param2 = param2;
01055
01056 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01057 if (group == NULL) return CALLBACK_FAILED;
01058
01059 return group->GetCallbackResult();
01060 }
01061
01072 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
01073 {
01074 const SpriteGroup *group;
01075 ResolverObject object;
01076
01077 NewVehicleResolver(&object, engine, v);
01078
01079 object.callback = callback;
01080 object.callback_param1 = param1;
01081 object.callback_param2 = param2;
01082
01083 object.u.vehicle.parent = parent;
01084
01085 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01086 if (group == NULL) return CALLBACK_FAILED;
01087
01088 return group->GetCallbackResult();
01089 }
01090
01091
01092
01093 uint GetVehicleProperty(const Vehicle *v, PropertyID property, uint orig_value)
01094 {
01095 return GetEngineProperty(v->engine_type, property, orig_value, v);
01096 }
01097
01098
01099 uint GetEngineProperty(EngineID engine, PropertyID property, uint orig_value, const Vehicle *v)
01100 {
01101 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, v);
01102 if (callback != CALLBACK_FAILED) return callback;
01103
01104 return orig_value;
01105 }
01106
01107
01108 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01109 {
01110 const SpriteGroup *group;
01111 ResolverObject object;
01112 byte new_random_bits;
01113
01114
01115 assert(v != NULL);
01116
01117 NewVehicleResolver(&object, v->engine_type, v);
01118 object.callback = CBID_RANDOM_TRIGGER;
01119 object.trigger = trigger;
01120
01121 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01122 if (group == NULL) return;
01123
01124 new_random_bits = Random();
01125 uint32 reseed = object.GetReseedSum();
01126 v->random_bits &= ~reseed;
01127 v->random_bits |= (first ? new_random_bits : base_random_bits) & reseed;
01128
01129 switch (trigger) {
01130 case VEHICLE_TRIGGER_NEW_CARGO:
01131
01132
01133
01134
01135
01136
01137
01138 assert(first);
01139 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01140 break;
01141
01142 case VEHICLE_TRIGGER_DEPOT:
01143
01144
01145
01146 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01147 break;
01148
01149 case VEHICLE_TRIGGER_EMPTY:
01150
01151
01152
01153
01154 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01155 break;
01156
01157 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01158
01159
01160 assert(!first);
01161 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01162 break;
01163
01164 case VEHICLE_TRIGGER_CALLBACK_32:
01165
01166 break;
01167 }
01168 }
01169
01170 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01171 {
01172 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01173
01174 VehicleEnteredDepotThisTick(v);
01175 }
01176
01177 v->InvalidateNewGRFCacheOfChain();
01178 DoTriggerVehicle(v, trigger, 0, true);
01179 v->InvalidateNewGRFCacheOfChain();
01180 }
01181
01182
01183
01184
01191 uint ListPositionOfEngine(EngineID engine)
01192 {
01193 const Engine *e = Engine::Get(engine);
01194
01195 return (e->GetGRFID() * 256) + e->list_position;
01196 }
01197
01198 struct ListOrderChange {
01199 EngineID engine;
01200 EngineID target;
01201 };
01202
01203 static SmallVector<ListOrderChange, 16> _list_order_changes;
01204
01205 void AlterVehicleListOrder(EngineID engine, EngineID target)
01206 {
01207
01208 ListOrderChange *loc = _list_order_changes.Append();
01209 loc->engine = engine;
01210 loc->target = target;
01211 }
01212
01213 void CommitVehicleListOrderChanges()
01214 {
01215
01216 typedef SmallMap<uint16, Engine *, 16> ListPositionMap;
01217 ListPositionMap lptr_map;
01218
01219 const ListOrderChange *end = _list_order_changes.End();
01220 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01221 EngineID engine = it->engine;
01222 EngineID target = it->target;
01223
01224 if (engine == target) continue;
01225
01226 Engine *source_e = Engine::Get(engine);
01227 Engine *target_e = NULL;
01228
01229
01230 Engine *e;
01231 FOR_ALL_ENGINES_OF_TYPE(e, source_e->type) {
01232 if (!_settings_game.vehicle.dynamic_engines || e->GetGRF() == source_e->GetGRF()) {
01233 if (e->grf_prop.local_id == target) target_e = e;
01234 lptr_map[e->list_position] = e;
01235 }
01236 }
01237
01238
01239 lptr_map.SortByKey();
01240
01241
01242 if (target_e != NULL) {
01243 uint16 target_position = target_e->list_position;
01244
01245 bool moving = false;
01246 const ListPositionMap::Pair *end = lptr_map.End();
01247 for (ListPositionMap::Pair *it = lptr_map.Begin(); it != end; ++it) {
01248 if (it->first == target_position) moving = true;
01249 if (moving) it->second->list_position++;
01250 }
01251
01252 source_e->list_position = target_position;
01253 }
01254
01255 lptr_map.Clear();
01256 }
01257
01258
01259 _list_order_changes.Reset();
01260 }
01261
01267 void GetVehicleResolver(ResolverObject *ro, uint index)
01268 {
01269 Vehicle *v = Vehicle::Get(index);
01270 NewVehicleResolver(ro, v->engine_type, v);
01271 }
01272
01277 void FillNewGRFVehicleCache(const Vehicle *v)
01278 {
01279 ResolverObject ro;
01280 memset(&ro, 0, sizeof(ro));
01281 GetVehicleResolver(&ro, v->index);
01282
01283
01284 static const int cache_entries[][2] = {
01285 { 0x40, NCVV_POSITION_CONSIST_LENGTH },
01286 { 0x41, NCVV_POSITION_SAME_ID_LENGTH },
01287 { 0x42, NCVV_CONSIST_CARGO_INFORMATION },
01288 { 0x43, NCVV_COMPANY_INFORMATION },
01289 };
01290 assert_compile(NCVV_END == lengthof(cache_entries));
01291
01292
01293 for (size_t i = 0; i < lengthof(cache_entries); i++) {
01294
01295 if (HasBit(v->grf_cache.cache_valid, cache_entries[i][1])) continue;
01296 bool stub;
01297 ro.GetVariable(&ro, cache_entries[i][0], 0, &stub);
01298 }
01299
01300
01301 assert(v->grf_cache.cache_valid == (1 << NCVV_END) - 1);
01302 }