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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_spritegroup.h"
00020 #include "date_func.h"
00021 #include "vehicle_func.h"
00022 #include "core/random_func.hpp"
00023 #include "aircraft.h"
00024 #include "station_base.h"
00025 #include "company_base.h"
00026 #include "newgrf_railtype.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_cargos[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_cargos, 0, sizeof(common_cargos));
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->cargo_cap == 0) continue;
00503
00504 cargo_classes |= CargoSpec::Get(u->cargo_type)->classes;
00505 common_cargos[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_cargos[cargo] > common_cargo_best_amount) {
00512 common_cargo_best_amount = common_cargos[cargo];
00513 common_cargo_type = cargo;
00514 }
00515 }
00516
00517
00518 for (u = v; u != NULL; u = u->Next()) {
00519
00520 if (u->cargo_cap == 0 || u->cargo_type != common_cargo_type) 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
00624 case 0x60:
00625 if (v->type != VEH_TRAIN) return v->GetEngine()->grf_prop.local_id == parameter ? 1 : 0;
00626
00627 {
00628 uint count = 0;
00629 for (; v != NULL; v = v->Next()) {
00630 if (v->GetEngine()->grf_prop.local_id == parameter) count++;
00631 }
00632 return count;
00633 }
00634
00635 case 0x61:
00636 if (!v->IsGroundVehicle() || parameter == 0x61) return 0;
00637
00638
00639 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) {
00640 Vehicle *u = v->Move((int32)GetRegister(0x10F));
00641 if (u == NULL) return 0;
00642
00643 return VehicleGetVariable(u, object, parameter, GetRegister(0x10E), available);
00644 }
00645 return 0;
00646
00647 case 0x62: {
00648
00649
00650
00651
00652
00653
00654
00655 if (!v->IsGroundVehicle()) return 0;
00656
00657 const Vehicle *u = v->Move((int8)parameter);
00658 if (u == NULL) return 0;
00659
00660
00661 bool prev = (int8)parameter < 0;
00662 uint32 ret = prev ? DirDifference(u->direction, v->direction) : DirDifference(v->direction, u->direction);
00663 if (ret > DIRDIFF_REVERSE) ret |= 0x08;
00664
00665 if (u->vehstatus & VS_HIDDEN) ret |= 0x80;
00666
00667
00668 ret |= ((prev ? u->x_pos - v->x_pos : v->x_pos - u->x_pos) & 0xFF) << 8;
00669 ret |= ((prev ? u->y_pos - v->y_pos : v->y_pos - u->y_pos) & 0xFF) << 16;
00670 ret |= ((prev ? u->z_pos - v->z_pos : v->z_pos - u->z_pos) & 0xFF) << 24;
00671
00672 return ret;
00673 }
00674
00675 case 0xFE:
00676 case 0xFF: {
00677 uint16 modflags = 0;
00678
00679 if (v->type == VEH_TRAIN) {
00680 const Train *t = Train::From(v);
00681 bool is_powered_wagon = HasBit(t->flags, VRF_POWEREDWAGON);
00682 const Train *u = is_powered_wagon ? t->First() : t;
00683 RailType railtype = GetRailType(v->tile);
00684 bool powered = t->IsEngine() || is_powered_wagon;
00685 bool has_power = HasPowerOnRail(u->railtype, railtype);
00686
00687 if (powered && has_power) SetBit(modflags, 5);
00688 if (powered && !has_power) SetBit(modflags, 6);
00689 if (HasBit(t->flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00690 }
00691 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00692
00693 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00694 }
00695 }
00696
00697
00698 switch (variable - 0x80) {
00699 case 0x00: return v->type + 0x10;
00700 case 0x01: return MapOldSubType(v);
00701 case 0x04: return v->index;
00702 case 0x05: return GB(v->index, 8, 8);
00703 case 0x0A: return v->current_order.MapOldOrder();
00704 case 0x0B: return v->current_order.GetDestination();
00705 case 0x0C: return v->GetNumOrders();
00706 case 0x0D: return v->cur_real_order_index;
00707 case 0x10:
00708 case 0x11: {
00709 uint ticks;
00710 if (v->current_order.IsType(OT_LOADING)) {
00711 ticks = v->load_unload_ticks;
00712 } else {
00713 switch (v->type) {
00714 case VEH_TRAIN: ticks = Train::From(v)->wait_counter; break;
00715 case VEH_AIRCRAFT: ticks = Aircraft::From(v)->turn_counter; break;
00716 default: ticks = 0; break;
00717 }
00718 }
00719 return (variable - 0x80) == 0x10 ? ticks : GB(ticks, 8, 8);
00720 }
00721 case 0x12: return Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF);
00722 case 0x13: return GB(Clamp(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF), 8, 8);
00723 case 0x14: return v->service_interval;
00724 case 0x15: return GB(v->service_interval, 8, 8);
00725 case 0x16: return v->last_station_visited;
00726 case 0x17: return v->tick_counter;
00727 case 0x18:
00728 case 0x19: {
00729 uint max_speed;
00730 switch (v->type) {
00731 case VEH_AIRCRAFT:
00732 max_speed = Aircraft::From(v)->GetSpeedOldUnits();
00733 break;
00734
00735 default:
00736 max_speed = v->vcache.cached_max_speed;
00737 break;
00738 }
00739 return (variable - 0x80) == 0x18 ? max_speed : GB(max_speed, 8, 8);
00740 }
00741 case 0x1A: return v->x_pos;
00742 case 0x1B: return GB(v->x_pos, 8, 8);
00743 case 0x1C: return v->y_pos;
00744 case 0x1D: return GB(v->y_pos, 8, 8);
00745 case 0x1E: return v->z_pos;
00746 case 0x1F: return object->u.vehicle.info_view ? DIR_W : v->direction;
00747 case 0x28: return v->cur_image;
00748 case 0x29: return GB(v->cur_image, 8, 8);
00749 case 0x32: return v->vehstatus;
00750 case 0x33: return 0;
00751 case 0x34: return v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed;
00752 case 0x35: return GB(v->type == VEH_AIRCRAFT ? (v->cur_speed * 10) / 128 : v->cur_speed, 8, 8);
00753 case 0x36: return v->subspeed;
00754 case 0x37: return v->acceleration;
00755 case 0x39: return v->cargo_type;
00756 case 0x3A: return v->cargo_cap;
00757 case 0x3B: return GB(v->cargo_cap, 8, 8);
00758 case 0x3C: return ClampToU16(v->cargo.Count());
00759 case 0x3D: return GB(ClampToU16(v->cargo.Count()), 8, 8);
00760 case 0x3E: return v->cargo.Source();
00761 case 0x3F: return ClampU(v->cargo.DaysInTransit(), 0, 0xFF);
00762 case 0x40: return ClampToU16(v->age);
00763 case 0x41: return GB(ClampToU16(v->age), 8, 8);
00764 case 0x42: return ClampToU16(v->max_age);
00765 case 0x43: return GB(ClampToU16(v->max_age), 8, 8);
00766 case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00767 case 0x45: return v->unitnumber;
00768 case 0x46: return v->GetEngine()->grf_prop.local_id;
00769 case 0x47: return GB(v->GetEngine()->grf_prop.local_id, 8, 8);
00770 case 0x48:
00771 if (v->type != VEH_TRAIN || v->spritenum != 0xFD) return v->spritenum;
00772 return HasBit(Train::From(v)->flags, VRF_REVERSE_DIRECTION) ? 0xFE : 0xFD;
00773
00774 case 0x49: return v->day_counter;
00775 case 0x4A: return v->breakdowns_since_last_service;
00776 case 0x4B: return v->breakdown_ctr;
00777 case 0x4C: return v->breakdown_delay;
00778 case 0x4D: return v->breakdown_chance;
00779 case 0x4E: return v->reliability;
00780 case 0x4F: return GB(v->reliability, 8, 8);
00781 case 0x50: return v->reliability_spd_dec;
00782 case 0x51: return GB(v->reliability_spd_dec, 8, 8);
00783 case 0x52: return ClampToI32(v->GetDisplayProfitThisYear());
00784 case 0x53: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 8, 24);
00785 case 0x54: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 16, 16);
00786 case 0x55: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 24, 8);
00787 case 0x56: return ClampToI32(v->GetDisplayProfitLastYear());
00788 case 0x57: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 8, 24);
00789 case 0x58: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 16, 16);
00790 case 0x59: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 24, 8);
00791 case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
00792 case 0x5C: return ClampToI32(v->value);
00793 case 0x5D: return GB(ClampToI32(v->value), 8, 24);
00794 case 0x5E: return GB(ClampToI32(v->value), 16, 16);
00795 case 0x5F: return GB(ClampToI32(v->value), 24, 8);
00796 case 0x72: return v->cargo_subtype;
00797 case 0x7A: return v->random_bits;
00798 case 0x7B: return v->waiting_triggers;
00799 }
00800
00801
00802 switch (v->type) {
00803 case VEH_TRAIN: {
00804 Train *t = Train::From(v);
00805 switch (variable - 0x80) {
00806 case 0x62: return t->track;
00807 case 0x66: return t->railtype;
00808 case 0x73: return 0x80 + VEHICLE_LENGTH - t->gcache.cached_veh_length;
00809 case 0x74: return t->gcache.cached_power;
00810 case 0x75: return GB(t->gcache.cached_power, 8, 24);
00811 case 0x76: return GB(t->gcache.cached_power, 16, 16);
00812 case 0x77: return GB(t->gcache.cached_power, 24, 8);
00813 case 0x7C: return t->First()->index;
00814 case 0x7D: return GB(t->First()->index, 8, 8);
00815 case 0x7F: return 0;
00816 }
00817 break;
00818 }
00819
00820 case VEH_ROAD: {
00821 RoadVehicle *rv = RoadVehicle::From(v);
00822 switch (variable - 0x80) {
00823 case 0x62: return rv->state;
00824 case 0x64: return rv->blocked_ctr;
00825 case 0x65: return GB(rv->blocked_ctr, 8, 8);
00826 case 0x66: return rv->overtaking;
00827 case 0x67: return rv->overtaking_ctr;
00828 case 0x68: return rv->crashed_ctr;
00829 case 0x69: return GB(rv->crashed_ctr, 8, 8);
00830 }
00831 break;
00832 }
00833
00834 case VEH_AIRCRAFT: {
00835 Aircraft *a = Aircraft::From(v);
00836 switch (variable - 0x80) {
00837 case 0x62: return MapAircraftMovementState(a);
00838 case 0x63: return a->targetairport;
00839 case 0x66: return MapAircraftMovementAction(a);
00840 }
00841 break;
00842 }
00843
00844 default: break;
00845 }
00846
00847 DEBUG(grf, 1, "Unhandled vehicle variable 0x%X, type 0x%X", variable, (uint)v->type);
00848
00849 *available = false;
00850 return UINT_MAX;
00851 }
00852
00853 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
00854 {
00855 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00856
00857 if (v == NULL) {
00858
00859 switch (variable) {
00860 case 0x43: return GetCompanyInfo(_current_company, LiveryHelper(object->u.vehicle.self_type, NULL));
00861 case 0x46: return 0;
00862 case 0x47: {
00863 const Engine *e = Engine::Get(object->u.vehicle.self_type);
00864 CargoID cargo_type = e->GetDefaultCargoType();
00865 if (cargo_type != CT_INVALID) {
00866 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00867 return (cs->classes << 16) | (cs->weight << 8) | e->GetGRF()->cargo_map[cargo_type];
00868 } else {
00869 return 0x000000FF;
00870 }
00871 }
00872 case 0x48: return Engine::Get(object->u.vehicle.self_type)->flags;
00873 case 0x49: return _cur_year;
00874 case 0x4B: return _date;
00875 case 0x92: return Clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF);
00876 case 0x93: return GB(Clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 0xFFFF), 8, 8);
00877 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00878 case 0xDA: return INVALID_VEHICLE;
00879 case 0xF2: return 0;
00880 }
00881
00882 *available = false;
00883 return UINT_MAX;
00884 }
00885
00886 return VehicleGetVariable(v, object, variable, parameter, available);
00887 }
00888
00889
00890 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00891 {
00892 const Vehicle *v = object->u.vehicle.self;
00893
00894 if (v == NULL) {
00895 if (group->num_loading > 0) return group->loading[0];
00896 if (group->num_loaded > 0) return group->loaded[0];
00897 return NULL;
00898 }
00899
00900 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00901
00902 uint totalsets = in_motion ? group->num_loaded : group->num_loading;
00903
00904 if (totalsets == 0) return NULL;
00905
00906 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00907 set = min(set, totalsets - 1);
00908
00909 return in_motion ? group->loaded[set] : group->loading[set];
00910 }
00911
00912
00913 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00914 {
00915 res->GetRandomBits = &VehicleGetRandomBits;
00916 res->GetTriggers = &VehicleGetTriggers;
00917 res->SetTriggers = &VehicleSetTriggers;
00918 res->GetVariable = &VehicleGetVariable;
00919 res->ResolveReal = &VehicleResolveReal;
00920
00921 res->u.vehicle.self = v;
00922 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00923
00924 res->u.vehicle.self_type = engine_type;
00925 res->u.vehicle.info_view = false;
00926
00927 res->callback = CBID_NO_CALLBACK;
00928 res->callback_param1 = 0;
00929 res->callback_param2 = 0;
00930 res->ResetState();
00931
00932 const Engine *e = Engine::Get(engine_type);
00933 res->grffile = (e != NULL ? e->GetGRF() : NULL);
00934 }
00935
00936
00946 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00947 {
00948 const SpriteGroup *group;
00949 CargoID cargo;
00950
00951 if (v == NULL) {
00952 cargo = CT_PURCHASE;
00953 } else {
00954 cargo = v->cargo_type;
00955
00956 if (v->IsGroundVehicle()) {
00957
00958
00959
00960 if (use_cache && v->type == VEH_TRAIN) {
00961 group = Train::From(v)->tcache.cached_override;
00962 } else {
00963 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->GetGroundVehicleCache()->first_engine);
00964 }
00965 if (group != NULL) return group;
00966 }
00967 }
00968
00969 const Engine *e = Engine::Get(engine);
00970
00971 assert(cargo < lengthof(e->grf_prop.spritegroup));
00972 group = e->grf_prop.spritegroup[cargo];
00973 if (group != NULL) return group;
00974
00975
00976 return e->grf_prop.spritegroup[CT_DEFAULT];
00977 }
00978
00979
00980 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction, EngineImageType image_type)
00981 {
00982 const SpriteGroup *group;
00983 ResolverObject object;
00984
00985 NewVehicleResolver(&object, engine, v);
00986
00987 object.callback_param1 = image_type;
00988
00989 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v), &object);
00990 if (group == NULL || group->GetNumResults() == 0) return 0;
00991
00992 return group->GetResult() + (direction % group->GetNumResults());
00993 }
00994
00995
00996 SpriteID GetRotorOverrideSprite(EngineID engine, const Aircraft *v, bool info_view, EngineImageType image_type)
00997 {
00998 const Engine *e = Engine::Get(engine);
00999
01000
01001 assert(e->type == VEH_AIRCRAFT);
01002 assert(!(e->u.air.subtype & AIR_CTOL));
01003
01004 ResolverObject object;
01005
01006 NewVehicleResolver(&object, engine, v);
01007
01008 object.callback_param1 = image_type;
01009 object.u.vehicle.info_view = info_view;
01010
01011 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
01012 group = SpriteGroup::Resolve(group, &object);
01013
01014 if (group == NULL || group->GetNumResults() == 0) return 0;
01015
01016 if (v == NULL) return group->GetResult();
01017
01018 return group->GetResult() + (info_view ? 0 : (v->Next()->Next()->state % group->GetNumResults()));
01019 }
01020
01021
01027 bool UsesWagonOverride(const Vehicle *v)
01028 {
01029 assert(v->type == VEH_TRAIN);
01030 return Train::From(v)->tcache.cached_override != NULL;
01031 }
01032
01042 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
01043 {
01044 const SpriteGroup *group;
01045 ResolverObject object;
01046
01047 NewVehicleResolver(&object, engine, v);
01048
01049 object.callback = callback;
01050 object.callback_param1 = param1;
01051 object.callback_param2 = param2;
01052
01053 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01054 if (group == NULL) return CALLBACK_FAILED;
01055
01056 return group->GetCallbackResult();
01057 }
01058
01069 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
01070 {
01071 const SpriteGroup *group;
01072 ResolverObject object;
01073
01074 NewVehicleResolver(&object, engine, v);
01075
01076 object.callback = callback;
01077 object.callback_param1 = param1;
01078 object.callback_param2 = param2;
01079
01080 object.u.vehicle.parent = parent;
01081
01082 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01083 if (group == NULL) return CALLBACK_FAILED;
01084
01085 return group->GetCallbackResult();
01086 }
01087
01088
01089
01090 uint GetVehicleProperty(const Vehicle *v, PropertyID property, uint orig_value)
01091 {
01092 return GetEngineProperty(v->engine_type, property, orig_value, v);
01093 }
01094
01095
01096 uint GetEngineProperty(EngineID engine, PropertyID property, uint orig_value, const Vehicle *v)
01097 {
01098 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, v);
01099 if (callback != CALLBACK_FAILED) return callback;
01100
01101 return orig_value;
01102 }
01103
01104
01105 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01106 {
01107 const SpriteGroup *group;
01108 ResolverObject object;
01109 byte new_random_bits;
01110
01111
01112 assert(v != NULL);
01113
01114 NewVehicleResolver(&object, v->engine_type, v);
01115 object.callback = CBID_RANDOM_TRIGGER;
01116 object.trigger = trigger;
01117
01118 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01119 if (group == NULL) return;
01120
01121 new_random_bits = Random();
01122 uint32 reseed = object.GetReseedSum();
01123 v->random_bits &= ~reseed;
01124 v->random_bits |= (first ? new_random_bits : base_random_bits) & reseed;
01125
01126 switch (trigger) {
01127 case VEHICLE_TRIGGER_NEW_CARGO:
01128
01129
01130
01131
01132
01133
01134
01135 assert(first);
01136 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01137 break;
01138
01139 case VEHICLE_TRIGGER_DEPOT:
01140
01141
01142
01143 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01144 break;
01145
01146 case VEHICLE_TRIGGER_EMPTY:
01147
01148
01149
01150
01151 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01152 break;
01153
01154 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01155
01156
01157 assert(!first);
01158 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01159 break;
01160
01161 case VEHICLE_TRIGGER_CALLBACK_32:
01162
01163 break;
01164 }
01165 }
01166
01167 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01168 {
01169 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01170
01171 VehicleEnteredDepotThisTick(v);
01172 }
01173
01174 v->InvalidateNewGRFCacheOfChain();
01175 DoTriggerVehicle(v, trigger, 0, true);
01176 v->InvalidateNewGRFCacheOfChain();
01177 }
01178
01179
01180
01181
01188 uint ListPositionOfEngine(EngineID engine)
01189 {
01190 const Engine *e = Engine::Get(engine);
01191
01192 return (e->GetGRFID() * 256) + e->list_position;
01193 }
01194
01195 struct ListOrderChange {
01196 EngineID engine;
01197 EngineID target;
01198 };
01199
01200 static SmallVector<ListOrderChange, 16> _list_order_changes;
01201
01202 void AlterVehicleListOrder(EngineID engine, EngineID target)
01203 {
01204
01205 ListOrderChange *loc = _list_order_changes.Append();
01206 loc->engine = engine;
01207 loc->target = target;
01208 }
01209
01210 void CommitVehicleListOrderChanges()
01211 {
01212
01213 typedef SmallMap<uint16, Engine *, 16> ListPositionMap;
01214 ListPositionMap lptr_map;
01215
01216 const ListOrderChange *end = _list_order_changes.End();
01217 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01218 EngineID engine = it->engine;
01219 EngineID target = it->target;
01220
01221 if (engine == target) continue;
01222
01223 Engine *source_e = Engine::Get(engine);
01224 Engine *target_e = NULL;
01225
01226
01227 Engine *e;
01228 FOR_ALL_ENGINES_OF_TYPE(e, source_e->type) {
01229 if (!_settings_game.vehicle.dynamic_engines || e->GetGRF() == source_e->GetGRF()) {
01230 if (e->grf_prop.local_id == target) target_e = e;
01231 lptr_map[e->list_position] = e;
01232 }
01233 }
01234
01235
01236 lptr_map.SortByKey();
01237
01238
01239 if (target_e != NULL) {
01240 uint16 target_position = target_e->list_position;
01241
01242 bool moving = false;
01243 const ListPositionMap::Pair *end = lptr_map.End();
01244 for (ListPositionMap::Pair *it = lptr_map.Begin(); it != end; ++it) {
01245 if (it->first == target_position) moving = true;
01246 if (moving) it->second->list_position++;
01247 }
01248
01249 source_e->list_position = target_position;
01250 }
01251
01252 lptr_map.Clear();
01253 }
01254
01255
01256 _list_order_changes.Reset();
01257 }
01258
01264 void GetVehicleResolver(ResolverObject *ro, uint index)
01265 {
01266 Vehicle *v = Vehicle::Get(index);
01267 NewVehicleResolver(ro, v->engine_type, v);
01268 }
01269
01274 void FillNewGRFVehicleCache(const Vehicle *v)
01275 {
01276 ResolverObject ro;
01277 memset(&ro, 0, sizeof(ro));
01278 GetVehicleResolver(&ro, v->index);
01279
01280
01281 static const int cache_entries[][2] = {
01282 { 0x40, NCVV_POSITION_CONSIST_LENGTH },
01283 { 0x41, NCVV_POSITION_SAME_ID_LENGTH },
01284 { 0x42, NCVV_CONSIST_CARGO_INFORMATION },
01285 { 0x43, NCVV_COMPANY_INFORMATION },
01286 };
01287 assert_compile(NCVV_END == lengthof(cache_entries));
01288
01289
01290 for (size_t i = 0; i < lengthof(cache_entries); i++) {
01291
01292 if (HasBit(v->grf_cache.cache_valid, cache_entries[i][1])) continue;
01293 bool stub;
01294 ro.GetVariable(&ro, cache_entries[i][0], 0, &stub);
01295 }
01296
01297
01298 assert(v->grf_cache.cache_valid == (1 << NCVV_END) - 1);
01299 }