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00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "train.h"
00015 #include "roadveh.h"
00016 #include "company_func.h"
00017 #include "newgrf.h"
00018 #include "newgrf_cargo.h"
00019 #include "newgrf_engine.h"
00020 #include "newgrf_spritegroup.h"
00021 #include "date_func.h"
00022 #include "vehicle_func.h"
00023 #include "core/random_func.hpp"
00024 #include "aircraft.h"
00025 #include "core/smallmap_type.hpp"
00026 #include "station_base.h"
00027
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->group));
00093
00094 if (e->group[cargo] != NULL) {
00095 grfmsg(6, "SetCustomEngineSprites: engine %d cargo %d already has group -- replacing", engine, cargo);
00096 }
00097 e->group[cargo] = group;
00098 }
00099
00100
00107 void SetEngineGRF(EngineID engine, const GRFFile *file)
00108 {
00109 Engine *e = Engine::Get(engine);
00110 e->grffile = file;
00111 }
00112
00113
00119 const GRFFile *GetEngineGRF(EngineID engine)
00120 {
00121 return Engine::Get(engine)->grffile;
00122 }
00123
00124
00130 uint32 GetEngineGRFID(EngineID engine)
00131 {
00132 const GRFFile *file = GetEngineGRF(engine);
00133 return file == NULL ? 0 : file->grfid;
00134 }
00135
00136
00137 static int MapOldSubType(const Vehicle *v)
00138 {
00139 switch (v->type) {
00140 case VEH_TRAIN:
00141 if (Train::From(v)->IsEngine()) return 0;
00142 if (Train::From(v)->IsFreeWagon()) return 4;
00143 return 2;
00144 case VEH_ROAD:
00145 case VEH_SHIP: return 0;
00146 case VEH_AIRCRAFT:
00147 case VEH_DISASTER: return v->subtype;
00148 case VEH_EFFECT: return v->subtype << 1;
00149 default: NOT_REACHED();
00150 }
00151 }
00152
00153
00154
00155 enum {
00156 AMS_TTDP_HANGAR,
00157 AMS_TTDP_TO_HANGAR,
00158 AMS_TTDP_TO_PAD1,
00159 AMS_TTDP_TO_PAD2,
00160 AMS_TTDP_TO_PAD3,
00161 AMS_TTDP_TO_ENTRY_2_AND_3,
00162 AMS_TTDP_TO_ENTRY_2_AND_3_AND_H,
00163 AMS_TTDP_TO_JUNCTION,
00164 AMS_TTDP_LEAVE_RUNWAY,
00165 AMS_TTDP_TO_INWAY,
00166 AMS_TTDP_TO_RUNWAY,
00167 AMS_TTDP_TO_OUTWAY,
00168 AMS_TTDP_WAITING,
00169 AMS_TTDP_TAKEOFF,
00170 AMS_TTDP_TO_TAKEOFF,
00171 AMS_TTDP_CLIMBING,
00172 AMS_TTDP_FLIGHT_APPROACH,
00173 AMS_TTDP_UNUSED_0x11,
00174 AMS_TTDP_FLIGHT_TO_TOWER,
00175 AMS_TTDP_UNUSED_0x13,
00176 AMS_TTDP_FLIGHT_FINAL,
00177 AMS_TTDP_FLIGHT_DESCENT,
00178 AMS_TTDP_BRAKING,
00179 AMS_TTDP_HELI_TAKEOFF_AIRPORT,
00180 AMS_TTDP_HELI_TO_TAKEOFF_AIRPORT,
00181 AMS_TTDP_HELI_LAND_AIRPORT,
00182 AMS_TTDP_HELI_TAKEOFF_HELIPORT,
00183 AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT,
00184 AMS_TTDP_HELI_LAND_HELIPORT,
00185 };
00186
00187
00192 static byte MapAircraftMovementState(const Aircraft *v)
00193 {
00194 const Station *st = GetTargetAirportIfValid(v);
00195 if (st == NULL) return AMS_TTDP_FLIGHT_TO_TOWER;
00196
00197 const AirportFTAClass *afc = st->Airport();
00198 uint16 amdflag = afc->MovingData(v->pos)->flag;
00199
00200 switch (v->state) {
00201 case HANGAR:
00202
00203
00204
00205
00206
00207
00208 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00209
00210
00211
00212 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00213
00214
00215
00216 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGAR;
00217
00218
00219 return AMS_TTDP_TO_HANGAR;
00220
00221 case TERM1:
00222 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1;
00223 return AMS_TTDP_TO_JUNCTION;
00224
00225 case TERM2:
00226 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2;
00227 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00228
00229 case TERM3:
00230 case TERM4:
00231 case TERM5:
00232 case TERM6:
00233 case TERM7:
00234 case TERM8:
00235
00236 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3;
00237 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00238
00239 case HELIPAD1:
00240 case HELIPAD2:
00241 case HELIPAD3:
00242 case HELIPAD4:
00243 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00244 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00245 return AMS_TTDP_TO_JUNCTION;
00246
00247 case TAKEOFF:
00248 return AMS_TTDP_TO_OUTWAY;
00249
00250 case STARTTAKEOFF:
00251 return AMS_TTDP_TAKEOFF;
00252
00253 case ENDTAKEOFF:
00254 return AMS_TTDP_CLIMBING;
00255
00256 case HELITAKEOFF:
00257 if (afc->delta_z == 0) {
00258 return amdflag & AMED_HELI_RAISE ?
00259 AMS_TTDP_HELI_TAKEOFF_AIRPORT : AMS_TTDP_TO_JUNCTION;
00260 } else {
00261 return AMS_TTDP_HELI_TAKEOFF_HELIPORT;
00262 }
00263
00264 case FLYING:
00265 return amdflag & AMED_HOLD ? AMS_TTDP_FLIGHT_APPROACH : AMS_TTDP_FLIGHT_TO_TOWER;
00266
00267 case LANDING:
00268 return AMS_TTDP_FLIGHT_DESCENT;
00269
00270 case ENDLANDING:
00271 if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING;
00272
00273 return AMS_TTDP_TO_INWAY;
00274
00275 case HELILANDING:
00276 case HELIENDLANDING:
00277 if (amdflag & AMED_HELI_LOWER) {
00278 return afc->delta_z == 0 ?
00279 AMS_TTDP_HELI_LAND_AIRPORT : AMS_TTDP_HELI_LAND_HELIPORT;
00280 } else {
00281 return AMS_TTDP_FLIGHT_TO_TOWER;
00282 }
00283
00284 default:
00285 return AMS_TTDP_HANGAR;
00286 }
00287 }
00288
00289
00290
00291 enum {
00292 AMA_TTDP_IN_HANGAR,
00293 AMA_TTDP_ON_PAD1,
00294 AMA_TTDP_ON_PAD2,
00295 AMA_TTDP_ON_PAD3,
00296 AMA_TTDP_HANGAR_TO_PAD1,
00297 AMA_TTDP_HANGAR_TO_PAD2,
00298 AMA_TTDP_HANGAR_TO_PAD3,
00299 AMA_TTDP_LANDING_TO_PAD1,
00300 AMA_TTDP_LANDING_TO_PAD2,
00301 AMA_TTDP_LANDING_TO_PAD3,
00302 AMA_TTDP_PAD1_TO_HANGAR,
00303 AMA_TTDP_PAD2_TO_HANGAR,
00304 AMA_TTDP_PAD3_TO_HANGAR,
00305 AMA_TTDP_PAD1_TO_TAKEOFF,
00306 AMA_TTDP_PAD2_TO_TAKEOFF,
00307 AMA_TTDP_PAD3_TO_TAKEOFF,
00308 AMA_TTDP_HANGAR_TO_TAKOFF,
00309 AMA_TTDP_LANDING_TO_HANGAR,
00310 AMA_TTDP_IN_FLIGHT,
00311 };
00312
00313
00319 static byte MapAircraftMovementAction(const Aircraft *v)
00320 {
00321 switch (v->state) {
00322 case HANGAR:
00323 return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_IN_HANGAR;
00324
00325 case TERM1:
00326 case HELIPAD1:
00327 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1;
00328
00329 case TERM2:
00330 case HELIPAD2:
00331 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2;
00332
00333 case TERM3:
00334 case TERM4:
00335 case TERM5:
00336 case TERM6:
00337 case TERM7:
00338 case TERM8:
00339 case HELIPAD3:
00340 case HELIPAD4:
00341 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3;
00342
00343 case TAKEOFF:
00344 case STARTTAKEOFF:
00345 case ENDTAKEOFF:
00346 case HELITAKEOFF:
00347
00348 return AMA_TTDP_PAD1_TO_TAKEOFF;
00349
00350 case FLYING:
00351 return AMA_TTDP_IN_FLIGHT;
00352
00353 case LANDING:
00354 case ENDLANDING:
00355 case HELILANDING:
00356 case HELIENDLANDING:
00357
00358 return (v->current_order.IsType(OT_GOTO_DEPOT)) ?
00359 AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_LANDING_TO_PAD1;
00360
00361 default:
00362 return AMA_TTDP_IN_HANGAR;
00363 }
00364 }
00365
00366
00367
00368 enum {
00369 ATP_TTDP_SMALL,
00370 ATP_TTDP_LARGE,
00371 ATP_TTDP_HELIPORT,
00372 ATP_TTDP_OILRIG,
00373 };
00374
00375
00376
00377 static inline const Vehicle *GRV(const ResolverObject *object)
00378 {
00379 switch (object->scope) {
00380 default: NOT_REACHED();
00381 case VSG_SCOPE_SELF: return object->u.vehicle.self;
00382 case VSG_SCOPE_PARENT: return object->u.vehicle.parent;
00383 case VSG_SCOPE_RELATIVE: {
00384 const Vehicle *v = NULL;
00385 switch (GB(object->count, 6, 2)) {
00386 default: NOT_REACHED();
00387 case 0x00:
00388 case 0x01:
00389 v = object->u.vehicle.self;
00390 break;
00391 case 0x02:
00392 v = object->u.vehicle.parent;
00393 break;
00394 case 0x03: {
00395 const Vehicle *self = object->u.vehicle.self;
00396 for (const Vehicle *u = self->First(); u != self; u = u->Next()) {
00397 if (u->engine_type != self->engine_type) {
00398 v = NULL;
00399 } else {
00400 if (v == NULL) v = u;
00401 }
00402 }
00403 if (v == NULL) v = self;
00404 } break;
00405 }
00406 uint32 count = GB(object->count, 0, 4);
00407 if (count == 0) count = GetRegister(0x100);
00408 while (v != NULL && count-- != 0) v = (GB(object->count, 6, 2) == 0x01) ? v->Previous() : v->Next();
00409 return v;
00410 }
00411 }
00412 }
00413
00414
00415 static uint32 VehicleGetRandomBits(const ResolverObject *object)
00416 {
00417 return GRV(object) == NULL ? 0 : GRV(object)->random_bits;
00418 }
00419
00420
00421 static uint32 VehicleGetTriggers(const ResolverObject *object)
00422 {
00423 return GRV(object) == NULL ? 0 : GRV(object)->waiting_triggers;
00424 }
00425
00426
00427 static void VehicleSetTriggers(const ResolverObject *object, int triggers)
00428 {
00429
00430
00431
00432
00433 Vehicle *v = const_cast<Vehicle *>(GRV(object));
00434
00435
00436
00437 assert(object->trigger != 0);
00438
00439 if (v != NULL) v->waiting_triggers = triggers;
00440 }
00441
00442
00443 static uint8 LiveryHelper(EngineID engine, const Vehicle *v)
00444 {
00445 const Livery *l;
00446
00447 if (v == NULL) {
00448 if (!Company::IsValidID(_current_company)) return 0;
00449 l = GetEngineLivery(engine, _current_company, INVALID_ENGINE, NULL);
00450 } else if (v->type == VEH_TRAIN) {
00451 l = GetEngineLivery(v->engine_type, v->owner, Train::From(v)->tcache.first_engine, v);
00452 } else if (v->type == VEH_ROAD) {
00453 l = GetEngineLivery(v->engine_type, v->owner, RoadVehicle::From(v)->rcache.first_engine, v);
00454 } else {
00455 l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v);
00456 }
00457
00458 return l->colour1 + l->colour2 * 16;
00459 }
00460
00468 static uint32 PositionHelper(const Vehicle *v, bool consecutive)
00469 {
00470 const Vehicle *u;
00471 byte chain_before = 0;
00472 byte chain_after = 0;
00473
00474 for (u = v->First(); u != v; u = u->Next()) {
00475 chain_before++;
00476 if (consecutive && u->engine_type != v->engine_type) chain_before = 0;
00477 }
00478
00479 while (u->Next() != NULL && (!consecutive || u->Next()->engine_type == v->engine_type)) {
00480 chain_after++;
00481 u = u->Next();
00482 }
00483
00484 return chain_before | chain_after << 8 | (chain_before + chain_after + consecutive) << 16;
00485 }
00486
00487 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00488 {
00489 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00490
00491 if (v == NULL) {
00492
00493 switch (variable) {
00494 case 0x43: return _current_company | (LiveryHelper(object->u.vehicle.self_type, NULL) << 24);
00495 case 0x46: return 0;
00496 case 0x47: {
00497 const Engine *e = Engine::Get(object->u.vehicle.self_type);
00498 CargoID cargo_type = e->GetDefaultCargoType();
00499 if (cargo_type != CT_INVALID) {
00500 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00501 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(e->index)->cargo_map[cargo_type];
00502 } else {
00503 return 0x000000FF;
00504 }
00505 }
00506 case 0x48: return Engine::Get(object->u.vehicle.self_type)->flags;
00507 case 0x49: return _cur_year;
00508 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00509 case 0xDA: return INVALID_VEHICLE;
00510 case 0xF2: return 0;
00511 }
00512
00513 *available = false;
00514 return UINT_MAX;
00515 }
00516
00517
00518 switch (variable) {
00519 case 0x25:
00520 return GetEngineGRFID(v->engine_type);
00521
00522 case 0x40:
00523 if (!HasBit(v->vcache.cache_valid, 0)) {
00524 v->vcache.cached_var40 = PositionHelper(v, false);
00525 SetBit(v->vcache.cache_valid, 0);
00526 }
00527 return v->vcache.cached_var40;
00528
00529 case 0x41:
00530 if (!HasBit(v->vcache.cache_valid, 1)) {
00531 v->vcache.cached_var41 = PositionHelper(v, true);
00532 SetBit(v->vcache.cache_valid, 1);
00533 }
00534 return v->vcache.cached_var41;
00535
00536 case 0x42:
00537 if (!HasBit(v->vcache.cache_valid, 2)) {
00538 const Vehicle *u;
00539 byte cargo_classes = 0;
00540 uint8 common_cargos[NUM_CARGO];
00541 uint8 common_subtypes[256];
00542 byte user_def_data = 0;
00543 CargoID common_cargo_type = CT_INVALID;
00544 uint8 common_subtype = 0xFF;
00545
00546
00547 memset(common_cargos, 0, sizeof(common_cargos));
00548 memset(common_subtypes, 0, sizeof(common_subtypes));
00549
00550 for (u = v; u != NULL; u = u->Next()) {
00551 if (v->type == VEH_TRAIN) user_def_data |= Train::From(u)->tcache.user_def_data;
00552
00553
00554 if (u->cargo_cap == 0) continue;
00555
00556 cargo_classes |= CargoSpec::Get(u->cargo_type)->classes;
00557 common_cargos[u->cargo_type]++;
00558 }
00559
00560
00561 uint common_cargo_best_amount = 0;
00562 for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
00563 if (common_cargos[cargo] > common_cargo_best_amount) {
00564 common_cargo_best_amount = common_cargos[cargo];
00565 common_cargo_type = cargo;
00566 }
00567 }
00568
00569
00570 for (u = v; u != NULL; u = u->Next()) {
00571
00572 if (u->cargo_cap == 0 || u->cargo_type != common_cargo_type) continue;
00573
00574 common_subtypes[u->cargo_subtype]++;
00575 }
00576
00577
00578 uint common_subtype_best_amount = 0;
00579 for (uint i = 0; i < lengthof(common_subtypes); i++) {
00580 if (common_subtypes[i] > common_subtype_best_amount) {
00581 common_subtype_best_amount = common_subtypes[i];
00582 common_subtype = i;
00583 }
00584 }
00585
00586 uint8 common_bitnum = (common_cargo_type == CT_INVALID ? 0xFF : CargoSpec::Get(common_cargo_type)->bitnum);
00587 v->vcache.cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
00588 SetBit(v->vcache.cache_valid, 2);
00589 }
00590 return v->vcache.cached_var42;
00591
00592 case 0x43:
00593 if (!HasBit(v->vcache.cache_valid, 3)) {
00594 v->vcache.cached_var43 = v->owner | (Company::IsHumanID(v->owner) ? 0 : 0x10000) | (LiveryHelper(v->engine_type, v) << 24);
00595 SetBit(v->vcache.cache_valid, 3);
00596 }
00597 return v->vcache.cached_var43;
00598
00599 case 0x44:
00600 if (v->type != VEH_AIRCRAFT) return UINT_MAX;
00601
00602 {
00603 const Vehicle *w = v->Next();
00604 uint16 altitude = v->z_pos - w->z_pos;
00605 byte airporttype = ATP_TTDP_LARGE;
00606
00607 const Station *st = GetTargetAirportIfValid(Aircraft::From(v));
00608
00609 if (st != NULL) {
00610 switch (st->airport_type) {
00611
00612
00613 case AT_HELIDEPOT:
00614 case AT_HELISTATION:
00615 case AT_COMMUTER:
00616 case AT_SMALL: airporttype = ATP_TTDP_SMALL; break;
00617 case AT_METROPOLITAN:
00618 case AT_INTERNATIONAL:
00619 case AT_INTERCON:
00620 case AT_LARGE: airporttype = ATP_TTDP_LARGE; break;
00621 case AT_HELIPORT: airporttype = ATP_TTDP_HELIPORT; break;
00622 case AT_OILRIG: airporttype = ATP_TTDP_OILRIG; break;
00623 default: airporttype = ATP_TTDP_LARGE; break;
00624 }
00625 }
00626
00627 return (altitude << 8) | airporttype;
00628 }
00629
00630 case 0x45: {
00631
00632
00633
00634
00635
00636 if (v->type != VEH_TRAIN && v->type != VEH_ROAD) return 0;
00637
00638 const Vehicle *u_p = v->Previous();
00639 const Vehicle *u_n = v->Next();
00640 DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
00641 DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
00642 DirDiff t = ChangeDirDiff(f, b);
00643
00644 return ((t > DIRDIFF_REVERSE ? t | 8 : t) << 16) |
00645 ((b > DIRDIFF_REVERSE ? b | 8 : b) << 8) |
00646 ( f > DIRDIFF_REVERSE ? f | 8 : f);
00647 }
00648
00649 case 0x46:
00650 return v->motion_counter;
00651
00652 case 0x47: {
00653
00654
00655
00656
00657
00658
00659 const CargoSpec *cs = CargoSpec::Get(v->cargo_type);
00660
00661 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(v->engine_type)->cargo_map[v->cargo_type];
00662 }
00663
00664 case 0x48: return Engine::Get(v->engine_type)->flags;
00665 case 0x49: return v->build_year;
00666
00667
00668 case 0x60:
00669
00670 if (v->type != VEH_TRAIN) return Engine::Get(v->engine_type)->internal_id == parameter;
00671
00672 {
00673 uint count = 0;
00674 for (; v != NULL; v = v->Next()) {
00675 if (Engine::Get(v->engine_type)->internal_id == parameter) count++;
00676 }
00677 return count;
00678 }
00679
00680 case 0xFE:
00681 case 0xFF: {
00682 uint16 modflags = 0;
00683
00684 if (v->type == VEH_TRAIN) {
00685 const Train *t = Train::From(v);
00686 const Train *u = t->IsWagon() && HasBit(t->vehicle_flags, VRF_POWEREDWAGON) ? t->First() : t;
00687 RailType railtype = GetRailType(v->tile);
00688 bool powered = t->IsEngine() || (t->IsWagon() && HasBit(t->vehicle_flags, VRF_POWEREDWAGON));
00689 bool has_power = powered && HasPowerOnRail(u->railtype, railtype);
00690 bool is_electric = powered && u->railtype == RAILTYPE_ELECTRIC;
00691
00692 if (has_power) SetBit(modflags, 5);
00693 if (is_electric && !has_power) SetBit(modflags, 6);
00694 if (HasBit(t->flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00695 }
00696 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00697
00698 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00699 }
00700 }
00701
00702
00703 switch (variable - 0x80) {
00704 case 0x00: return v->type + 0x10;
00705 case 0x01: return MapOldSubType(v);
00706 case 0x04: return v->index;
00707 case 0x05: return GB(v->index, 8, 8);
00708 case 0x0A: return v->current_order.MapOldOrder();
00709 case 0x0B: return v->current_order.GetDestination();
00710 case 0x0C: return v->GetNumOrders();
00711 case 0x0D: return v->cur_order_index;
00712 case 0x10: return v->time_counter;
00713 case 0x11: return GB(v->time_counter, 8, 8);
00714 case 0x12: return max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0);
00715 case 0x13: return GB(max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0), 8, 8);
00716 case 0x14: return v->service_interval;
00717 case 0x15: return GB(v->service_interval, 8, 8);
00718 case 0x16: return v->last_station_visited;
00719 case 0x17: return v->tick_counter;
00720 case 0x18: return v->max_speed;
00721 case 0x19: return GB(v->max_speed, 8, 8);
00722 case 0x1A: return v->x_pos;
00723 case 0x1B: return GB(v->x_pos, 8, 8);
00724 case 0x1C: return v->y_pos;
00725 case 0x1D: return GB(v->y_pos, 8, 8);
00726 case 0x1E: return v->z_pos;
00727 case 0x1F: return object->u.vehicle.info_view ? DIR_W : v->direction;
00728 case 0x28: return v->cur_image;
00729 case 0x29: return GB(v->cur_image, 8, 8);
00730 case 0x32: return v->vehstatus;
00731 case 0x33: return 0;
00732 case 0x34: return v->cur_speed;
00733 case 0x35: return GB(v->cur_speed, 8, 8);
00734 case 0x36: return v->subspeed;
00735 case 0x37: return v->acceleration;
00736 case 0x39: return v->cargo_type;
00737 case 0x3A: return v->cargo_cap;
00738 case 0x3B: return GB(v->cargo_cap, 8, 8);
00739 case 0x3C: return v->cargo.Count();
00740 case 0x3D: return GB(v->cargo.Count(), 8, 8);
00741 case 0x3E: return v->cargo.Source();
00742 case 0x3F: return v->cargo.DaysInTransit();
00743 case 0x40: return v->age;
00744 case 0x41: return GB(v->age, 8, 8);
00745 case 0x42: return v->max_age;
00746 case 0x43: return GB(v->max_age, 8, 8);
00747 case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00748 case 0x45: return v->unitnumber;
00749 case 0x46: return Engine::Get(v->engine_type)->internal_id;
00750 case 0x47: return GB(Engine::Get(v->engine_type)->internal_id, 8, 8);
00751 case 0x48:
00752 if (v->type != VEH_TRAIN || v->spritenum != 0xFD) return v->spritenum;
00753 return HasBit(Train::From(v)->flags, VRF_REVERSE_DIRECTION) ? 0xFE : 0xFD;
00754
00755 case 0x49: return v->day_counter;
00756 case 0x4A: return v->breakdowns_since_last_service;
00757 case 0x4B: return v->breakdown_ctr;
00758 case 0x4C: return v->breakdown_delay;
00759 case 0x4D: return v->breakdown_chance;
00760 case 0x4E: return v->reliability;
00761 case 0x4F: return GB(v->reliability, 8, 8);
00762 case 0x50: return v->reliability_spd_dec;
00763 case 0x51: return GB(v->reliability_spd_dec, 8, 8);
00764 case 0x52: return ClampToI32(v->GetDisplayProfitThisYear());
00765 case 0x53: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 8, 24);
00766 case 0x54: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 16, 16);
00767 case 0x55: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 24, 8);
00768 case 0x56: return ClampToI32(v->GetDisplayProfitLastYear());
00769 case 0x57: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 8, 24);
00770 case 0x58: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 16, 16);
00771 case 0x59: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 24, 8);
00772 case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
00773 case 0x5C: return ClampToI32(v->value);
00774 case 0x5D: return GB(ClampToI32(v->value), 8, 24);
00775 case 0x5E: return GB(ClampToI32(v->value), 16, 16);
00776 case 0x5F: return GB(ClampToI32(v->value), 24, 8);
00777 case 0x72: return v->cargo_subtype;
00778 case 0x7A: return v->random_bits;
00779 case 0x7B: return v->waiting_triggers;
00780 }
00781
00782
00783 switch (v->type) {
00784 case VEH_TRAIN: {
00785 Train *t = Train::From(v);
00786 switch (variable - 0x80) {
00787 case 0x62: return t->track;
00788 case 0x66: return t->railtype;
00789 case 0x73: return t->tcache.cached_veh_length;
00790 case 0x74: return t->tcache.cached_power;
00791 case 0x75: return GB(t->tcache.cached_power, 8, 24);
00792 case 0x76: return GB(t->tcache.cached_power, 16, 16);
00793 case 0x77: return GB(t->tcache.cached_power, 24, 8);
00794 case 0x7C: return t->First()->index;
00795 case 0x7D: return GB(t->First()->index, 8, 8);
00796 case 0x7F: return 0;
00797 }
00798 } break;
00799
00800 case VEH_ROAD: {
00801 RoadVehicle *rv = RoadVehicle::From(v);
00802 switch (variable - 0x80) {
00803 case 0x62: return rv->state;
00804 case 0x64: return rv->blocked_ctr;
00805 case 0x65: return GB(rv->blocked_ctr, 8, 8);
00806 case 0x66: return rv->overtaking;
00807 case 0x67: return rv->overtaking_ctr;
00808 case 0x68: return rv->crashed_ctr;
00809 case 0x69: return GB(rv->crashed_ctr, 8, 8);
00810 }
00811 } break;
00812
00813 case VEH_AIRCRAFT: {
00814 Aircraft *a = Aircraft::From(v);
00815 switch (variable - 0x80) {
00816 case 0x62: return MapAircraftMovementState(a);
00817 case 0x63: return a->targetairport;
00818 case 0x66: return MapAircraftMovementAction(a);
00819 }
00820 } break;
00821
00822 default: break;
00823 }
00824
00825 DEBUG(grf, 1, "Unhandled vehicle property 0x%X, type 0x%X", variable, (uint)v->type);
00826
00827 *available = false;
00828 return UINT_MAX;
00829 }
00830
00831
00832 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
00833 {
00834 const Vehicle *v = object->u.vehicle.self;
00835
00836 if (v == NULL) {
00837 if (group->num_loading > 0) return group->loading[0];
00838 if (group->num_loaded > 0) return group->loaded[0];
00839 return NULL;
00840 }
00841
00842 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00843
00844 uint totalsets = in_motion ? group->num_loaded : group->num_loading;
00845
00846 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00847 set = min(set, totalsets - 1);
00848
00849 return in_motion ? group->loaded[set] : group->loading[set];
00850 }
00851
00852
00853 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00854 {
00855 res->GetRandomBits = &VehicleGetRandomBits;
00856 res->GetTriggers = &VehicleGetTriggers;
00857 res->SetTriggers = &VehicleSetTriggers;
00858 res->GetVariable = &VehicleGetVariable;
00859 res->ResolveReal = &VehicleResolveReal;
00860
00861 res->u.vehicle.self = v;
00862 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00863
00864 res->u.vehicle.self_type = engine_type;
00865 res->u.vehicle.info_view = false;
00866
00867 res->callback = CBID_NO_CALLBACK;
00868 res->callback_param1 = 0;
00869 res->callback_param2 = 0;
00870 res->last_value = 0;
00871 res->trigger = 0;
00872 res->reseed = 0;
00873 res->count = 0;
00874
00875 const Engine *e = Engine::Get(engine_type);
00876 res->grffile = (e != NULL ? e->grffile : NULL);
00877 }
00878
00879
00888 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00889 {
00890 const SpriteGroup *group;
00891 CargoID cargo;
00892
00893 if (v == NULL) {
00894 cargo = CT_PURCHASE;
00895 } else {
00896 cargo = v->cargo_type;
00897
00898 if (v->type == VEH_TRAIN) {
00899
00900
00901
00902 group = use_cache ? Train::From(v)->tcache.cached_override : GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, Train::From(v)->tcache.first_engine);
00903 if (group != NULL) return group;
00904 } else if (v->type == VEH_ROAD) {
00905 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, RoadVehicle::From(v)->rcache.first_engine);
00906 if (group != NULL) return group;
00907 }
00908 }
00909
00910 const Engine *e = Engine::Get(engine);
00911
00912 assert(cargo < lengthof(e->group));
00913 group = e->group[cargo];
00914 if (group != NULL) return group;
00915
00916
00917 return e->group[CT_DEFAULT];
00918 }
00919
00920
00921 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction)
00922 {
00923 const SpriteGroup *group;
00924 ResolverObject object;
00925
00926 NewVehicleResolver(&object, engine, v);
00927
00928 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v), &object);
00929 if (group == NULL || group->GetNumResults() == 0) return 0;
00930
00931 return group->GetResult() + (direction % group->GetNumResults());
00932 }
00933
00934
00935 SpriteID GetRotorOverrideSprite(EngineID engine, const Aircraft *v, bool info_view)
00936 {
00937 const Engine *e = Engine::Get(engine);
00938
00939
00940 assert(e->type == VEH_AIRCRAFT);
00941 assert(!(e->u.air.subtype & AIR_CTOL));
00942
00943 ResolverObject object;
00944
00945 NewVehicleResolver(&object, engine, v);
00946
00947 object.u.vehicle.info_view = info_view;
00948
00949 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
00950 group = SpriteGroup::Resolve(group, &object);
00951
00952 if (group == NULL || group->GetNumResults() == 0) return 0;
00953
00954 if (v == NULL) return group->GetResult();
00955
00956 return group->GetResult() + (info_view ? 0 : (v->Next()->Next()->state % group->GetNumResults()));
00957 }
00958
00959
00965 bool UsesWagonOverride(const Vehicle *v)
00966 {
00967 assert(v->type == VEH_TRAIN);
00968 return Train::From(v)->tcache.cached_override != NULL;
00969 }
00970
00980 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
00981 {
00982 const SpriteGroup *group;
00983 ResolverObject object;
00984
00985 NewVehicleResolver(&object, engine, v);
00986
00987 object.callback = callback;
00988 object.callback_param1 = param1;
00989 object.callback_param2 = param2;
00990
00991 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
00992 if (group == NULL) return CALLBACK_FAILED;
00993
00994 return group->GetCallbackResult();
00995 }
00996
01007 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
01008 {
01009 const SpriteGroup *group;
01010 ResolverObject object;
01011
01012 NewVehicleResolver(&object, engine, v);
01013
01014 object.callback = callback;
01015 object.callback_param1 = param1;
01016 object.callback_param2 = param2;
01017
01018 object.u.vehicle.parent = parent;
01019
01020 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01021 if (group == NULL) return CALLBACK_FAILED;
01022
01023 return group->GetCallbackResult();
01024 }
01025
01026
01027
01028 uint GetVehicleProperty(const Vehicle *v, PropertyID property, uint orig_value)
01029 {
01030 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, v->engine_type, v);
01031 if (callback != CALLBACK_FAILED) return callback;
01032
01033 return orig_value;
01034 }
01035
01036
01037 uint GetEngineProperty(EngineID engine, PropertyID property, uint orig_value)
01038 {
01039 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, NULL);
01040 if (callback != CALLBACK_FAILED) return callback;
01041
01042 return orig_value;
01043 }
01044
01045
01046 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01047 {
01048 const SpriteGroup *group;
01049 ResolverObject object;
01050 byte new_random_bits;
01051
01052
01053 assert(v != NULL);
01054
01055 NewVehicleResolver(&object, v->engine_type, v);
01056 object.callback = CBID_RANDOM_TRIGGER;
01057 object.trigger = trigger;
01058
01059 group = SpriteGroup::Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01060 if (group == NULL) return;
01061
01062 new_random_bits = Random();
01063 v->random_bits &= ~object.reseed;
01064 v->random_bits |= (first ? new_random_bits : base_random_bits) & object.reseed;
01065
01066 switch (trigger) {
01067 case VEHICLE_TRIGGER_NEW_CARGO:
01068
01069
01070
01071
01072
01073
01074
01075 assert(first);
01076 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01077 break;
01078
01079 case VEHICLE_TRIGGER_DEPOT:
01080
01081
01082
01083 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01084 break;
01085
01086 case VEHICLE_TRIGGER_EMPTY:
01087
01088
01089
01090
01091 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01092 break;
01093
01094 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01095
01096
01097 assert(!first);
01098 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01099 break;
01100
01101 case VEHICLE_TRIGGER_CALLBACK_32:
01102
01103 break;
01104 }
01105 }
01106
01107 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01108 {
01109 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01110
01111 VehicleEnteredDepotThisTick(v);
01112 }
01113
01114 v->InvalidateNewGRFCacheOfChain();
01115 DoTriggerVehicle(v, trigger, 0, true);
01116 v->InvalidateNewGRFCacheOfChain();
01117 }
01118
01119
01120
01121
01128 uint ListPositionOfEngine(EngineID engine)
01129 {
01130 const Engine *e = Engine::Get(engine);
01131 if (e->grffile == NULL) return e->list_position;
01132
01133
01134 return (e->grffile->grfid * 256) + e->list_position;
01135 }
01136
01137 struct ListOrderChange {
01138 EngineID engine;
01139 EngineID target;
01140 };
01141
01142 static SmallVector<ListOrderChange, 16> _list_order_changes;
01143
01144 void AlterVehicleListOrder(EngineID engine, EngineID target)
01145 {
01146
01147 ListOrderChange *loc = _list_order_changes.Append();
01148 loc->engine = engine;
01149 loc->target = target;
01150 }
01151
01152 void CommitVehicleListOrderChanges()
01153 {
01154
01155 typedef SmallMap<uint16, Engine *, 16> ListPositionMap;
01156 ListPositionMap lptr_map;
01157
01158 const ListOrderChange *end = _list_order_changes.End();
01159 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01160 EngineID engine = it->engine;
01161 EngineID target = it->target;
01162
01163 if (engine == target) continue;
01164
01165 Engine *source_e = Engine::Get(engine);
01166 Engine *target_e = NULL;
01167
01168
01169 Engine *e;
01170 FOR_ALL_ENGINES_OF_TYPE(e, source_e->type) {
01171 if (!_settings_game.vehicle.dynamic_engines || e->grffile == source_e->grffile) {
01172 if (e->internal_id == target) target_e = e;
01173 lptr_map[e->list_position] = e;
01174 }
01175 }
01176
01177
01178 lptr_map.SortByKey();
01179
01180
01181 if (target_e != NULL) {
01182 uint16 target_position = target_e->list_position;
01183
01184 bool moving = false;
01185 const ListPositionMap::Pair *end = lptr_map.End();
01186 for (ListPositionMap::Pair *it = lptr_map.Begin(); it != end; ++it) {
01187 if (it->first == target_position) moving = true;
01188 if (moving) it->second->list_position++;
01189 }
01190
01191 source_e->list_position = target_position;
01192 }
01193
01194 lptr_map.Clear();
01195 }
01196
01197
01198 _list_order_changes.Reset();
01199 }