00001
00002
00005 #include "stdafx.h"
00006 #include "debug.h"
00007 #include "train.h"
00008 #include "company_func.h"
00009 #include "newgrf_engine.h"
00010 #include "newgrf_spritegroup.h"
00011 #include "date_func.h"
00012 #include "vehicle_func.h"
00013 #include "core/random_func.hpp"
00014 #include "aircraft.h"
00015 #include "core/smallmap_type.hpp"
00016 #include "settings_type.h"
00017
00018 int _traininfo_vehicle_pitch = 0;
00019 int _traininfo_vehicle_width = 29;
00020
00021 struct WagonOverride {
00022 EngineID *train_id;
00023 uint trains;
00024 CargoID cargo;
00025 const SpriteGroup *group;
00026 };
00027
00028 void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const SpriteGroup *group, EngineID *train_id, uint trains)
00029 {
00030 Engine *e = GetEngine(engine);
00031 WagonOverride *wo;
00032
00033 assert(cargo < NUM_CARGO + 2);
00034
00035 e->overrides_count++;
00036 e->overrides = ReallocT(e->overrides, e->overrides_count);
00037
00038 wo = &e->overrides[e->overrides_count - 1];
00039 wo->group = group;
00040 wo->cargo = cargo;
00041 wo->trains = trains;
00042 wo->train_id = MallocT<EngineID>(trains);
00043 memcpy(wo->train_id, train_id, trains * sizeof *train_id);
00044 }
00045
00046 const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, EngineID overriding_engine)
00047 {
00048 const Engine *e = GetEngine(engine);
00049
00050
00051
00052
00053
00054
00055 for (uint i = 0; i < e->overrides_count; i++) {
00056 const WagonOverride *wo = &e->overrides[i];
00057
00058 if (wo->cargo != cargo && wo->cargo != CT_DEFAULT) continue;
00059
00060 for (uint j = 0; j < wo->trains; j++) {
00061 if (wo->train_id[j] == overriding_engine) return wo->group;
00062 }
00063 }
00064 return NULL;
00065 }
00066
00070 void UnloadWagonOverrides(Engine *e)
00071 {
00072 for (uint i = 0; i < e->overrides_count; i++) {
00073 WagonOverride *wo = &e->overrides[i];
00074 free(wo->train_id);
00075 }
00076 free(e->overrides);
00077 e->overrides_count = 0;
00078 e->overrides = NULL;
00079 }
00080
00081
00082 void SetCustomEngineSprites(EngineID engine, byte cargo, const SpriteGroup *group)
00083 {
00084 Engine *e = GetEngine(engine);
00085 assert(cargo < lengthof(e->group));
00086
00087 if (e->group[cargo] != NULL) {
00088 grfmsg(6, "SetCustomEngineSprites: engine %d cargo %d already has group -- replacing", engine, cargo);
00089 }
00090 e->group[cargo] = group;
00091 }
00092
00093
00100 void SetEngineGRF(EngineID engine, const GRFFile *file)
00101 {
00102 Engine *e = GetEngine(engine);
00103 e->grffile = file;
00104 }
00105
00106
00112 const GRFFile *GetEngineGRF(EngineID engine)
00113 {
00114 return GetEngine(engine)->grffile;
00115 }
00116
00117
00123 uint32 GetEngineGRFID(EngineID engine)
00124 {
00125 const GRFFile *file = GetEngineGRF(engine);
00126 return file == NULL ? 0 : file->grfid;
00127 }
00128
00129
00130 static int MapOldSubType(const Vehicle *v)
00131 {
00132 if (v->type != VEH_TRAIN) return v->subtype;
00133 if (IsTrainEngine(v)) return 0;
00134 if (IsFreeWagon(v)) return 4;
00135 return 2;
00136 }
00137
00138
00139
00140 enum {
00141 AMS_TTDP_HANGAR,
00142 AMS_TTDP_TO_HANGAR,
00143 AMS_TTDP_TO_PAD1,
00144 AMS_TTDP_TO_PAD2,
00145 AMS_TTDP_TO_PAD3,
00146 AMS_TTDP_TO_ENTRY_2_AND_3,
00147 AMS_TTDP_TO_ENTRY_2_AND_3_AND_H,
00148 AMS_TTDP_TO_JUNCTION,
00149 AMS_TTDP_LEAVE_RUNWAY,
00150 AMS_TTDP_TO_INWAY,
00151 AMS_TTDP_TO_RUNWAY,
00152 AMS_TTDP_TO_OUTWAY,
00153 AMS_TTDP_WAITING,
00154 AMS_TTDP_TAKEOFF,
00155 AMS_TTDP_TO_TAKEOFF,
00156 AMS_TTDP_CLIMBING,
00157 AMS_TTDP_FLIGHT_APPROACH,
00158 AMS_TTDP_UNUSED_0x11,
00159 AMS_TTDP_FLIGHT_TO_TOWER,
00160 AMS_TTDP_UNUSED_0x13,
00161 AMS_TTDP_FLIGHT_FINAL,
00162 AMS_TTDP_FLIGHT_DESCENT,
00163 AMS_TTDP_BRAKING,
00164 AMS_TTDP_HELI_TAKEOFF_AIRPORT,
00165 AMS_TTDP_HELI_TO_TAKEOFF_AIRPORT,
00166 AMS_TTDP_HELI_LAND_AIRPORT,
00167 AMS_TTDP_HELI_TAKEOFF_HELIPORT,
00168 AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT,
00169 AMS_TTDP_HELI_LAND_HELIPORT,
00170 };
00171
00172
00177 static byte MapAircraftMovementState(const Vehicle *v)
00178 {
00179 const Station *st = GetTargetAirportIfValid(v);
00180 if (st == NULL) return AMS_TTDP_FLIGHT_TO_TOWER;
00181
00182 const AirportFTAClass *afc = st->Airport();
00183 uint16 amdflag = afc->MovingData(v->u.air.pos)->flag;
00184
00185 switch (v->u.air.state) {
00186 case HANGAR:
00187
00188
00189
00190
00191
00192
00193 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00194
00195
00196
00197 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00198
00199
00200
00201 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGAR;
00202
00203
00204 return AMS_TTDP_TO_HANGAR;
00205
00206 case TERM1:
00207 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1;
00208 return AMS_TTDP_TO_JUNCTION;
00209
00210 case TERM2:
00211 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2;
00212 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00213
00214 case TERM3:
00215 case TERM4:
00216 case TERM5:
00217 case TERM6:
00218 case TERM7:
00219 case TERM8:
00220
00221 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3;
00222 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00223
00224 case HELIPAD1:
00225 case HELIPAD2:
00226 case HELIPAD3:
00227 case HELIPAD4:
00228 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00229 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00230 return AMS_TTDP_TO_JUNCTION;
00231
00232 case TAKEOFF:
00233 return AMS_TTDP_TO_OUTWAY;
00234
00235 case STARTTAKEOFF:
00236 return AMS_TTDP_TAKEOFF;
00237
00238 case ENDTAKEOFF:
00239 return AMS_TTDP_CLIMBING;
00240
00241 case HELITAKEOFF:
00242 if (afc->delta_z == 0) {
00243 return amdflag & AMED_HELI_RAISE ?
00244 AMS_TTDP_HELI_TAKEOFF_AIRPORT : AMS_TTDP_TO_JUNCTION;
00245 } else {
00246 return AMS_TTDP_HELI_TAKEOFF_HELIPORT;
00247 }
00248
00249 case FLYING:
00250 return amdflag & AMED_HOLD ? AMS_TTDP_FLIGHT_APPROACH : AMS_TTDP_FLIGHT_TO_TOWER;
00251
00252 case LANDING:
00253 return AMS_TTDP_FLIGHT_DESCENT;
00254
00255 case ENDLANDING:
00256 if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING;
00257
00258 return AMS_TTDP_TO_INWAY;
00259
00260 case HELILANDING:
00261 case HELIENDLANDING:
00262 if (amdflag & AMED_HELI_LOWER) {
00263 return afc->delta_z == 0 ?
00264 AMS_TTDP_HELI_LAND_AIRPORT : AMS_TTDP_HELI_LAND_HELIPORT;
00265 } else {
00266 return AMS_TTDP_FLIGHT_TO_TOWER;
00267 }
00268
00269 default:
00270 return AMS_TTDP_HANGAR;
00271 }
00272 }
00273
00274
00275
00276 enum {
00277 AMA_TTDP_IN_HANGAR,
00278 AMA_TTDP_ON_PAD1,
00279 AMA_TTDP_ON_PAD2,
00280 AMA_TTDP_ON_PAD3,
00281 AMA_TTDP_HANGAR_TO_PAD1,
00282 AMA_TTDP_HANGAR_TO_PAD2,
00283 AMA_TTDP_HANGAR_TO_PAD3,
00284 AMA_TTDP_LANDING_TO_PAD1,
00285 AMA_TTDP_LANDING_TO_PAD2,
00286 AMA_TTDP_LANDING_TO_PAD3,
00287 AMA_TTDP_PAD1_TO_HANGAR,
00288 AMA_TTDP_PAD2_TO_HANGAR,
00289 AMA_TTDP_PAD3_TO_HANGAR,
00290 AMA_TTDP_PAD1_TO_TAKEOFF,
00291 AMA_TTDP_PAD2_TO_TAKEOFF,
00292 AMA_TTDP_PAD3_TO_TAKEOFF,
00293 AMA_TTDP_HANGAR_TO_TAKOFF,
00294 AMA_TTDP_LANDING_TO_HANGAR,
00295 AMA_TTDP_IN_FLIGHT,
00296 };
00297
00298
00304 static byte MapAircraftMovementAction(const Vehicle *v)
00305 {
00306 switch (v->u.air.state) {
00307 case HANGAR:
00308 return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_IN_HANGAR;
00309
00310 case TERM1:
00311 case HELIPAD1:
00312 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1;
00313
00314 case TERM2:
00315 case HELIPAD2:
00316 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2;
00317
00318 case TERM3:
00319 case TERM4:
00320 case TERM5:
00321 case TERM6:
00322 case TERM7:
00323 case TERM8:
00324 case HELIPAD3:
00325 case HELIPAD4:
00326 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3;
00327
00328 case TAKEOFF:
00329 case STARTTAKEOFF:
00330 case ENDTAKEOFF:
00331 case HELITAKEOFF:
00332
00333 return AMA_TTDP_PAD1_TO_TAKEOFF;
00334
00335 case FLYING:
00336 return AMA_TTDP_IN_FLIGHT;
00337
00338 case LANDING:
00339 case ENDLANDING:
00340 case HELILANDING:
00341 case HELIENDLANDING:
00342
00343 return (v->current_order.IsType(OT_GOTO_DEPOT)) ?
00344 AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_LANDING_TO_PAD1;
00345
00346 default:
00347 return AMA_TTDP_IN_HANGAR;
00348 }
00349 }
00350
00351
00352
00353 enum {
00354 ATP_TTDP_SMALL,
00355 ATP_TTDP_LARGE,
00356 ATP_TTDP_HELIPORT,
00357 ATP_TTDP_OILRIG,
00358 };
00359
00360
00361
00362 static inline const Vehicle *GRV(const ResolverObject *object)
00363 {
00364 switch (object->scope) {
00365 default: NOT_REACHED();
00366 case VSG_SCOPE_SELF: return object->u.vehicle.self;
00367 case VSG_SCOPE_PARENT: return object->u.vehicle.parent;
00368 case VSG_SCOPE_RELATIVE: {
00369 const Vehicle *v = NULL;
00370 switch (GB(object->count, 6, 2)) {
00371 default: NOT_REACHED();
00372 case 0x00:
00373 case 0x01:
00374 v = object->u.vehicle.self;
00375 break;
00376 case 0x02:
00377 v = object->u.vehicle.parent;
00378 break;
00379 case 0x03: {
00380 const Vehicle *self = object->u.vehicle.self;
00381 for (const Vehicle *u = self->First(); u != self; u = u->Next()) {
00382 if (u->engine_type != self->engine_type) {
00383 v = NULL;
00384 } else {
00385 if (v == NULL) v = u;
00386 }
00387 }
00388 if (v == NULL) v = self;
00389 } break;
00390 }
00391 uint32 count = GB(object->count, 0, 4);
00392 if (count == 0) count = GetRegister(0x100);
00393 while (v != NULL && count-- != 0) v = (GB(object->count, 6, 2) == 0x01) ? v->Previous() : v->Next();
00394 return v;
00395 }
00396 }
00397 }
00398
00399
00400 static uint32 VehicleGetRandomBits(const ResolverObject *object)
00401 {
00402 return GRV(object) == NULL ? 0 : GRV(object)->random_bits;
00403 }
00404
00405
00406 static uint32 VehicleGetTriggers(const ResolverObject *object)
00407 {
00408 return GRV(object) == NULL ? 0 : GRV(object)->waiting_triggers;
00409 }
00410
00411
00412 static void VehicleSetTriggers(const ResolverObject *object, int triggers)
00413 {
00414
00415
00416
00417
00418 Vehicle *v = (Vehicle*)GRV(object);
00419
00420
00421
00422 assert(object->trigger != 0);
00423
00424 if (v != NULL) v->waiting_triggers = triggers;
00425 }
00426
00427
00428 static uint8 LiveryHelper(EngineID engine, const Vehicle *v)
00429 {
00430 const Livery *l;
00431
00432 if (v == NULL) {
00433 if (!IsValidCompanyID(_current_company)) return 0;
00434 l = GetEngineLivery(engine, _current_company, INVALID_ENGINE, NULL);
00435 } else if (v->type == VEH_TRAIN) {
00436 l = GetEngineLivery(v->engine_type, v->owner, v->u.rail.first_engine, v);
00437 } else if (v->type == VEH_ROAD) {
00438 l = GetEngineLivery(v->engine_type, v->owner, v->u.road.first_engine, v);
00439 } else {
00440 l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v);
00441 }
00442
00443 return l->colour1 + l->colour2 * 16;
00444 }
00445
00453 static uint32 PositionHelper(const Vehicle *v, bool consecutive)
00454 {
00455 const Vehicle *u;
00456 byte chain_before = 0;
00457 byte chain_after = 0;
00458
00459 for (u = v->First(); u != v; u = u->Next()) {
00460 chain_before++;
00461 if (consecutive && u->engine_type != v->engine_type) chain_before = 0;
00462 }
00463
00464 while (u->Next() != NULL && (!consecutive || u->Next()->engine_type == v->engine_type)) {
00465 chain_after++;
00466 u = u->Next();
00467 }
00468
00469 return chain_before | chain_after << 8 | (chain_before + chain_after + consecutive) << 16;
00470 }
00471
00472 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00473 {
00474 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00475
00476 if (v == NULL) {
00477
00478 switch (variable) {
00479 case 0x43: return _current_company | (LiveryHelper(object->u.vehicle.self_type, NULL) << 24);
00480 case 0x46: return 0;
00481 case 0x47: {
00482 const Engine *e = GetEngine(object->u.vehicle.self_type);
00483 CargoID cargo_type = e->GetDefaultCargoType();
00484 if (cargo_type != CT_INVALID) {
00485 const CargoSpec *cs = GetCargo(cargo_type);
00486 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(e->index)->cargo_map[cargo_type];
00487 } else {
00488 return 0x000000FF;
00489 }
00490 }
00491 case 0x48: return GetEngine(object->u.vehicle.self_type)->flags;
00492 case 0x49: return _cur_year;
00493 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00494 case 0xDA: return INVALID_VEHICLE;
00495 case 0xF2: return 0;
00496 }
00497
00498 *available = false;
00499 return UINT_MAX;
00500 }
00501
00502
00503 switch (variable) {
00504 case 0x25:
00505 return GetEngineGRFID(v->engine_type);
00506
00507 case 0x40:
00508 if (!HasBit(v->cache_valid, 0)) {
00509 v->cached_var40 = PositionHelper(v, false);
00510 SetBit(v->cache_valid, 0);
00511 }
00512 return v->cached_var40;
00513
00514 case 0x41:
00515 if (!HasBit(v->cache_valid, 1)) {
00516 v->cached_var41 = PositionHelper(v, true);
00517 SetBit(v->cache_valid, 1);
00518 }
00519 return v->cached_var41;
00520
00521 case 0x42:
00522 if (!HasBit(v->cache_valid, 2)) {
00523 const Vehicle *u;
00524 byte cargo_classes = 0;
00525 uint8 common_cargos[NUM_CARGO];
00526 uint8 common_subtypes[256];
00527 byte user_def_data = 0;
00528 CargoID common_cargo_type = CT_INVALID;
00529 uint8 common_subtype = 0xFF;
00530
00531
00532 memset(common_cargos, 0, sizeof(common_cargos));
00533 memset(common_subtypes, 0, sizeof(common_subtypes));
00534
00535 for (u = v; u != NULL; u = u->Next()) {
00536 if (v->type == VEH_TRAIN) user_def_data |= u->u.rail.user_def_data;
00537
00538
00539 if (u->cargo_cap == 0) continue;
00540
00541 cargo_classes |= GetCargo(u->cargo_type)->classes;
00542 common_cargos[u->cargo_type]++;
00543 }
00544
00545
00546 uint common_cargo_best_amount = 0;
00547 for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
00548 if (common_cargos[cargo] > common_cargo_best_amount) {
00549 common_cargo_best_amount = common_cargos[cargo];
00550 common_cargo_type = cargo;
00551 }
00552 }
00553
00554
00555 for (u = v; u != NULL; u = u->Next()) {
00556
00557 if (u->cargo_cap == 0 || u->cargo_type != common_cargo_type) continue;
00558
00559 common_subtypes[u->cargo_subtype]++;
00560 }
00561
00562
00563 uint common_subtype_best_amount = 0;
00564 for (uint i = 0; i < lengthof(common_subtypes); i++) {
00565 if (common_subtypes[i] > common_subtype_best_amount) {
00566 common_subtype_best_amount = common_subtypes[i];
00567 common_subtype = i;
00568 }
00569 }
00570
00571 uint8 common_bitnum = (common_cargo_type == CT_INVALID ? 0xFF : GetCargo(common_cargo_type)->bitnum);
00572 v->cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
00573 SetBit(v->cache_valid, 2);
00574 }
00575 return v->cached_var42;
00576
00577 case 0x43:
00578 if (!HasBit(v->cache_valid, 3)) {
00579 v->cached_var43 = v->owner | (GetCompany(v->owner)->is_ai ? 0x10000 : 0) | (LiveryHelper(v->engine_type, v) << 24);
00580 SetBit(v->cache_valid, 3);
00581 }
00582 return v->cached_var43;
00583
00584 case 0x44:
00585 if (v->type != VEH_AIRCRAFT) return UINT_MAX;
00586
00587 {
00588 const Vehicle *w = v->Next();
00589 uint16 altitude = v->z_pos - w->z_pos;
00590 byte airporttype = ATP_TTDP_LARGE;
00591
00592 const Station *st = GetTargetAirportIfValid(v);
00593
00594 if (st != NULL) {
00595 switch (st->airport_type) {
00596
00597
00598 case AT_HELIDEPOT:
00599 case AT_HELISTATION:
00600 case AT_COMMUTER:
00601 case AT_SMALL: airporttype = ATP_TTDP_SMALL; break;
00602 case AT_METROPOLITAN:
00603 case AT_INTERNATIONAL:
00604 case AT_INTERCON:
00605 case AT_LARGE: airporttype = ATP_TTDP_LARGE; break;
00606 case AT_HELIPORT: airporttype = ATP_TTDP_HELIPORT; break;
00607 case AT_OILRIG: airporttype = ATP_TTDP_OILRIG; break;
00608 default: airporttype = ATP_TTDP_LARGE; break;
00609 }
00610 }
00611
00612 return (altitude << 8) | airporttype;
00613 }
00614
00615 case 0x45: {
00616
00617
00618
00619
00620
00621 if (v->type != VEH_TRAIN && v->type != VEH_ROAD) return 0;
00622
00623 const Vehicle *u_p = v->Previous();
00624 const Vehicle *u_n = v->Next();
00625 DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
00626 DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
00627 DirDiff t = ChangeDirDiff(f, b);
00628
00629 return ((t > DIRDIFF_REVERSE ? t | 8 : t) << 16) |
00630 ((b > DIRDIFF_REVERSE ? b | 8 : b) << 8) |
00631 ( f > DIRDIFF_REVERSE ? f | 8 : f);
00632 }
00633
00634 case 0x46:
00635 return v->motion_counter;
00636
00637 case 0x47: {
00638
00639
00640
00641
00642
00643
00644 const CargoSpec *cs = GetCargo(v->cargo_type);
00645
00646 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(v->engine_type)->cargo_map[v->cargo_type];
00647 }
00648
00649 case 0x48: return GetEngine(v->engine_type)->flags;
00650 case 0x49: return v->build_year;
00651
00652
00653 case 0x60:
00654
00655 if (v->type != VEH_TRAIN) return GetEngine(v->engine_type)->internal_id == parameter;
00656
00657 {
00658 uint count = 0;
00659 for (; v != NULL; v = v->Next()) {
00660 if (GetEngine(v->engine_type)->internal_id == parameter) count++;
00661 }
00662 return count;
00663 }
00664
00665 case 0xFE:
00666 case 0xFF: {
00667 uint16 modflags = 0;
00668
00669 if (v->type == VEH_TRAIN) {
00670 const Vehicle *u = IsTrainWagon(v) && HasBit(v->vehicle_flags, VRF_POWEREDWAGON) ? v->First() : v;
00671 RailType railtype = GetRailType(v->tile);
00672 bool powered = IsTrainEngine(v) || (IsTrainWagon(v) && HasBit(v->vehicle_flags, VRF_POWEREDWAGON));
00673 bool has_power = powered && HasPowerOnRail(u->u.rail.railtype, railtype);
00674 bool is_electric = powered && u->u.rail.railtype == RAILTYPE_ELECTRIC;
00675
00676 if (has_power) SetBit(modflags, 5);
00677 if (is_electric && !has_power) SetBit(modflags, 6);
00678 if (HasBit(v->u.rail.flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00679 }
00680 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00681
00682 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00683 }
00684 }
00685
00686
00687 switch (variable - 0x80) {
00688 case 0x00: return v->type;
00689 case 0x01: return MapOldSubType(v);
00690 case 0x04: return v->index;
00691 case 0x05: return GB(v->index, 8, 8);
00692 case 0x0A: return v->current_order.Pack();
00693 case 0x0B: return GB(v->current_order.Pack(), 8, 8);
00694 case 0x0C: return v->GetNumOrders();
00695 case 0x0D: return v->cur_order_index;
00696 case 0x10: return v->load_unload_time_rem;
00697 case 0x11: return GB(v->load_unload_time_rem, 8, 8);
00698 case 0x12: return max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0);
00699 case 0x13: return GB(max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0), 8, 8);
00700 case 0x14: return v->service_interval;
00701 case 0x15: return GB(v->service_interval, 8, 8);
00702 case 0x16: return v->last_station_visited;
00703 case 0x17: return v->tick_counter;
00704 case 0x18: return v->max_speed;
00705 case 0x19: return GB(v->max_speed, 8, 8);
00706 case 0x1A: return v->x_pos;
00707 case 0x1B: return GB(v->x_pos, 8, 8);
00708 case 0x1C: return v->y_pos;
00709 case 0x1D: return GB(v->y_pos, 8, 8);
00710 case 0x1E: return v->z_pos;
00711 case 0x1F: return object->info_view ? DIR_W : v->direction;
00712 case 0x28: return v->cur_image;
00713 case 0x29: return GB(v->cur_image, 8, 8);
00714 case 0x32: return v->vehstatus;
00715 case 0x33: return 0;
00716 case 0x34: return v->cur_speed;
00717 case 0x35: return GB(v->cur_speed, 8, 8);
00718 case 0x36: return v->subspeed;
00719 case 0x37: return v->acceleration;
00720 case 0x39: return v->cargo_type;
00721 case 0x3A: return v->cargo_cap;
00722 case 0x3B: return GB(v->cargo_cap, 8, 8);
00723 case 0x3C: return v->cargo.Count();
00724 case 0x3D: return GB(v->cargo.Count(), 8, 8);
00725 case 0x3E: return v->cargo.Source();
00726 case 0x3F: return v->cargo.DaysInTransit();
00727 case 0x40: return v->age;
00728 case 0x41: return GB(v->age, 8, 8);
00729 case 0x42: return v->max_age;
00730 case 0x43: return GB(v->max_age, 8, 8);
00731 case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00732 case 0x45: return v->unitnumber;
00733 case 0x46: return GetEngine(v->engine_type)->internal_id;
00734 case 0x47: return GB(GetEngine(v->engine_type)->internal_id, 8, 8);
00735 case 0x48:
00736 if (v->type != VEH_TRAIN || v->spritenum != 0xFD) return v->spritenum;
00737 return HasBit(v->u.rail.flags, VRF_REVERSE_DIRECTION) ? 0xFE : 0xFD;
00738
00739 case 0x49: return v->day_counter;
00740 case 0x4A: return v->breakdowns_since_last_service;
00741 case 0x4B: return v->breakdown_ctr;
00742 case 0x4C: return v->breakdown_delay;
00743 case 0x4D: return v->breakdown_chance;
00744 case 0x4E: return v->reliability;
00745 case 0x4F: return GB(v->reliability, 8, 8);
00746 case 0x50: return v->reliability_spd_dec;
00747 case 0x51: return GB(v->reliability_spd_dec, 8, 8);
00748 case 0x52: return ClampToI32(v->GetDisplayProfitThisYear());
00749 case 0x53: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 8, 24);
00750 case 0x54: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 16, 16);
00751 case 0x55: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 24, 8);
00752 case 0x56: return ClampToI32(v->GetDisplayProfitLastYear());
00753 case 0x57: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 8, 24);
00754 case 0x58: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 16, 16);
00755 case 0x59: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 24, 8);
00756 case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
00757 case 0x5C: return ClampToI32(v->value);
00758 case 0x5D: return GB(ClampToI32(v->value), 8, 24);
00759 case 0x5E: return GB(ClampToI32(v->value), 16, 16);
00760 case 0x5F: return GB(ClampToI32(v->value), 24, 8);
00761 case 0x72: return v->cargo_subtype;
00762 case 0x7A: return v->random_bits;
00763 case 0x7B: return v->waiting_triggers;
00764 }
00765
00766
00767 switch (v->type) {
00768 case VEH_TRAIN:
00769 switch (variable - 0x80) {
00770 case 0x62: return v->u.rail.track;
00771 case 0x66: return v->u.rail.railtype;
00772 case 0x73: return v->u.rail.cached_veh_length;
00773 case 0x74: return v->u.rail.cached_power;
00774 case 0x75: return GB(v->u.rail.cached_power, 8, 24);
00775 case 0x76: return GB(v->u.rail.cached_power, 16, 16);
00776 case 0x77: return GB(v->u.rail.cached_power, 24, 8);
00777 case 0x7C: return v->First()->index;
00778 case 0x7D: return GB(v->First()->index, 8, 8);
00779 case 0x7F: return 0;
00780 }
00781 break;
00782
00783 case VEH_ROAD:
00784 switch (variable - 0x80) {
00785 case 0x62: return v->u.road.state;
00786 case 0x64: return v->u.road.blocked_ctr;
00787 case 0x65: return GB(v->u.road.blocked_ctr, 8, 8);
00788 case 0x66: return v->u.road.overtaking;
00789 case 0x67: return v->u.road.overtaking_ctr;
00790 case 0x68: return v->u.road.crashed_ctr;
00791 case 0x69: return GB(v->u.road.crashed_ctr, 8, 8);
00792 }
00793 break;
00794
00795 case VEH_AIRCRAFT:
00796 switch (variable - 0x80) {
00797 case 0x62: return MapAircraftMovementState(v);
00798 case 0x63: return v->u.air.targetairport;
00799 case 0x66: return MapAircraftMovementAction(v);
00800 }
00801 break;
00802
00803 default: break;
00804 }
00805
00806 DEBUG(grf, 1, "Unhandled vehicle property 0x%X, type 0x%X", variable, (uint)v->type);
00807
00808 *available = false;
00809 return UINT_MAX;
00810 }
00811
00812
00813 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const SpriteGroup *group)
00814 {
00815 const Vehicle *v = object->u.vehicle.self;
00816
00817 if (v == NULL) {
00818 if (group->g.real.num_loading > 0) return group->g.real.loading[0];
00819 if (group->g.real.num_loaded > 0) return group->g.real.loaded[0];
00820 return NULL;
00821 }
00822
00823 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00824
00825 uint totalsets = in_motion ? group->g.real.num_loaded : group->g.real.num_loading;
00826
00827 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00828 set = min(set, totalsets - 1);
00829
00830 return in_motion ? group->g.real.loaded[set] : group->g.real.loading[set];
00831 }
00832
00833
00834 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00835 {
00836 res->GetRandomBits = &VehicleGetRandomBits;
00837 res->GetTriggers = &VehicleGetTriggers;
00838 res->SetTriggers = &VehicleSetTriggers;
00839 res->GetVariable = &VehicleGetVariable;
00840 res->ResolveReal = &VehicleResolveReal;
00841
00842 res->u.vehicle.self = v;
00843 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00844
00845 res->u.vehicle.self_type = engine_type;
00846
00847 res->info_view = false;
00848
00849 res->callback = CBID_NO_CALLBACK;
00850 res->callback_param1 = 0;
00851 res->callback_param2 = 0;
00852 res->last_value = 0;
00853 res->trigger = 0;
00854 res->reseed = 0;
00855 res->count = 0;
00856
00857 const Engine *e = GetEngine(engine_type);
00858 res->grffile = (e != NULL ? e->grffile : NULL);
00859 }
00860
00861
00870 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00871 {
00872 const SpriteGroup *group;
00873 CargoID cargo;
00874
00875 if (v == NULL) {
00876 cargo = CT_PURCHASE;
00877 } else {
00878 cargo = v->cargo_type;
00879
00880 if (v->type == VEH_TRAIN) {
00881
00882
00883
00884 group = use_cache ? v->u.rail.cached_override : GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.rail.first_engine);
00885 if (group != NULL) return group;
00886 } else if (v->type == VEH_ROAD) {
00887 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.road.first_engine);
00888 if (group != NULL) return group;
00889 }
00890 }
00891
00892 const Engine *e = GetEngine(engine);
00893
00894 assert(cargo < lengthof(e->group));
00895 group = e->group[cargo];
00896 if (group != NULL) return group;
00897
00898
00899 return e->group[CT_DEFAULT];
00900 }
00901
00902
00903 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction)
00904 {
00905 const SpriteGroup *group;
00906 ResolverObject object;
00907
00908 NewVehicleResolver(&object, engine, v);
00909
00910 group = Resolve(GetVehicleSpriteGroup(engine, v), &object);
00911 if (group == NULL || group->type != SGT_RESULT || group->g.result.num_sprites == 0) return 0;
00912
00913 return group->g.result.sprite + (direction % group->g.result.num_sprites);
00914 }
00915
00916
00917 SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle *v, bool info_view)
00918 {
00919 const Engine *e = GetEngine(engine);
00920
00921
00922 assert(e->type == VEH_AIRCRAFT);
00923 assert(!(e->u.air.subtype & AIR_CTOL));
00924
00925 ResolverObject object;
00926
00927 NewVehicleResolver(&object, engine, v);
00928
00929 object.info_view = info_view;
00930
00931 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
00932 group = Resolve(group, &object);
00933
00934 if (group == NULL || group->type != SGT_RESULT || group->g.result.num_sprites == 0) return 0;
00935
00936 if (v == NULL) return group->g.result.sprite;
00937
00938 return group->g.result.sprite + (info_view ? 0 : (v->Next()->Next()->u.air.state % group->g.result.num_sprites));
00939 }
00940
00941
00947 bool UsesWagonOverride(const Vehicle *v)
00948 {
00949 assert(v->type == VEH_TRAIN);
00950 return v->u.rail.cached_override != NULL;
00951 }
00952
00962 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
00963 {
00964 const SpriteGroup *group;
00965 ResolverObject object;
00966
00967 NewVehicleResolver(&object, engine, v);
00968
00969 object.callback = callback;
00970 object.callback_param1 = param1;
00971 object.callback_param2 = param2;
00972
00973 group = Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
00974 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
00975
00976 return group->g.callback.result;
00977 }
00978
00989 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
00990 {
00991 const SpriteGroup *group;
00992 ResolverObject object;
00993
00994 NewVehicleResolver(&object, engine, v);
00995
00996 object.callback = callback;
00997 object.callback_param1 = param1;
00998 object.callback_param2 = param2;
00999
01000 object.u.vehicle.parent = parent;
01001
01002 group = Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01003 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
01004
01005 return group->g.callback.result;
01006 }
01007
01008
01009
01010 uint GetVehicleProperty(const Vehicle *v, uint8 property, uint orig_value)
01011 {
01012 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, v->engine_type, v);
01013 if (callback != CALLBACK_FAILED) return callback;
01014
01015 return orig_value;
01016 }
01017
01018
01019 uint GetEngineProperty(EngineID engine, uint8 property, uint orig_value)
01020 {
01021 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, NULL);
01022 if (callback != CALLBACK_FAILED) return callback;
01023
01024 return orig_value;
01025 }
01026
01027
01028 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01029 {
01030 const SpriteGroup *group;
01031 ResolverObject object;
01032 byte new_random_bits;
01033
01034
01035 assert(v != NULL);
01036
01037 NewVehicleResolver(&object, v->engine_type, v);
01038 object.callback = CBID_RANDOM_TRIGGER;
01039 object.trigger = trigger;
01040
01041 group = Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01042 if (group == NULL) return;
01043
01044 new_random_bits = Random();
01045 v->random_bits &= ~object.reseed;
01046 v->random_bits |= (first ? new_random_bits : base_random_bits) & object.reseed;
01047
01048 switch (trigger) {
01049 case VEHICLE_TRIGGER_NEW_CARGO:
01050
01051
01052
01053
01054
01055
01056
01057 assert(first);
01058 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01059 break;
01060
01061 case VEHICLE_TRIGGER_DEPOT:
01062
01063
01064
01065 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01066 break;
01067
01068 case VEHICLE_TRIGGER_EMPTY:
01069
01070
01071
01072
01073 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01074 break;
01075
01076 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01077
01078
01079 assert(!first);
01080 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01081 break;
01082
01083 case VEHICLE_TRIGGER_CALLBACK_32:
01084
01085 break;
01086 }
01087 }
01088
01089 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01090 {
01091 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01092
01093 VehicleEnteredDepotThisTick(v);
01094 }
01095
01096 v->InvalidateNewGRFCacheOfChain();
01097 DoTriggerVehicle(v, trigger, 0, true);
01098 v->InvalidateNewGRFCacheOfChain();
01099 }
01100
01101
01102
01103
01110 uint ListPositionOfEngine(EngineID engine)
01111 {
01112 const Engine *e = GetEngine(engine);
01113 if (e->grffile == NULL) return e->list_position;
01114
01115
01116 return (e->grffile->grfid * 256) + e->list_position;
01117 }
01118
01119 struct ListOrderChange {
01120 EngineID engine;
01121 EngineID target;
01122 };
01123
01124 static SmallVector<ListOrderChange, 16> _list_order_changes;
01125
01126 void AlterVehicleListOrder(EngineID engine, EngineID target)
01127 {
01128
01129 ListOrderChange *loc = _list_order_changes.Append();
01130 loc->engine = engine;
01131 loc->target = target;
01132 }
01133
01134 void CommitVehicleListOrderChanges()
01135 {
01136
01137 typedef SmallMap<uint16, Engine *, 16> ListPositionMap;
01138 ListPositionMap lptr_map;
01139
01140 const ListOrderChange *end = _list_order_changes.End();
01141 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01142 EngineID engine = it->engine;
01143 EngineID target = it->target;
01144
01145 if (engine == target) continue;
01146
01147 Engine *source_e = GetEngine(engine);
01148 Engine *target_e = NULL;
01149
01150
01151 Engine *e;
01152 FOR_ALL_ENGINES_OF_TYPE(e, source_e->type) {
01153 if (!_settings_game.vehicle.dynamic_engines || e->grffile == source_e->grffile) {
01154 if (e->internal_id == target) target_e = e;
01155 lptr_map[e->list_position] = e;
01156 }
01157 }
01158
01159
01160 lptr_map.SortByKey();
01161
01162
01163 if (target_e != NULL) {
01164 uint16 target_position = target_e->list_position;
01165
01166 bool moving = false;
01167 const ListPositionMap::Pair *end = lptr_map.End();
01168 for (ListPositionMap::Pair *it = lptr_map.Begin(); it != end; ++it) {
01169 if (it->first == target_position) moving = true;
01170 if (moving) it->second->list_position++;
01171 }
01172
01173 source_e->list_position = target_position;
01174 }
01175
01176 lptr_map.Clear();
01177 }
01178
01179
01180 _list_order_changes.Reset();
01181 }