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 switch (v->type) {
00133 case VEH_TRAIN:
00134 if (IsTrainEngine(v)) return 0;
00135 if (IsFreeWagon(v)) return 4;
00136 return 2;
00137 case VEH_ROAD:
00138 case VEH_SHIP: return 0;
00139 case VEH_AIRCRAFT:
00140 case VEH_DISASTER: return v->subtype;
00141 case VEH_EFFECT: return v->subtype << 1;
00142 default: NOT_REACHED();
00143 }
00144 }
00145
00146
00147
00148 enum {
00149 AMS_TTDP_HANGAR,
00150 AMS_TTDP_TO_HANGAR,
00151 AMS_TTDP_TO_PAD1,
00152 AMS_TTDP_TO_PAD2,
00153 AMS_TTDP_TO_PAD3,
00154 AMS_TTDP_TO_ENTRY_2_AND_3,
00155 AMS_TTDP_TO_ENTRY_2_AND_3_AND_H,
00156 AMS_TTDP_TO_JUNCTION,
00157 AMS_TTDP_LEAVE_RUNWAY,
00158 AMS_TTDP_TO_INWAY,
00159 AMS_TTDP_TO_RUNWAY,
00160 AMS_TTDP_TO_OUTWAY,
00161 AMS_TTDP_WAITING,
00162 AMS_TTDP_TAKEOFF,
00163 AMS_TTDP_TO_TAKEOFF,
00164 AMS_TTDP_CLIMBING,
00165 AMS_TTDP_FLIGHT_APPROACH,
00166 AMS_TTDP_UNUSED_0x11,
00167 AMS_TTDP_FLIGHT_TO_TOWER,
00168 AMS_TTDP_UNUSED_0x13,
00169 AMS_TTDP_FLIGHT_FINAL,
00170 AMS_TTDP_FLIGHT_DESCENT,
00171 AMS_TTDP_BRAKING,
00172 AMS_TTDP_HELI_TAKEOFF_AIRPORT,
00173 AMS_TTDP_HELI_TO_TAKEOFF_AIRPORT,
00174 AMS_TTDP_HELI_LAND_AIRPORT,
00175 AMS_TTDP_HELI_TAKEOFF_HELIPORT,
00176 AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT,
00177 AMS_TTDP_HELI_LAND_HELIPORT,
00178 };
00179
00180
00185 static byte MapAircraftMovementState(const Vehicle *v)
00186 {
00187 const Station *st = GetTargetAirportIfValid(v);
00188 if (st == NULL) return AMS_TTDP_FLIGHT_TO_TOWER;
00189
00190 const AirportFTAClass *afc = st->Airport();
00191 uint16 amdflag = afc->MovingData(v->u.air.pos)->flag;
00192
00193 switch (v->u.air.state) {
00194 case HANGAR:
00195
00196
00197
00198
00199
00200
00201 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00202
00203
00204
00205 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00206
00207
00208
00209 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGAR;
00210
00211
00212 return AMS_TTDP_TO_HANGAR;
00213
00214 case TERM1:
00215 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1;
00216 return AMS_TTDP_TO_JUNCTION;
00217
00218 case TERM2:
00219 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2;
00220 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00221
00222 case TERM3:
00223 case TERM4:
00224 case TERM5:
00225 case TERM6:
00226 case TERM7:
00227 case TERM8:
00228
00229 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3;
00230 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00231
00232 case HELIPAD1:
00233 case HELIPAD2:
00234 case HELIPAD3:
00235 case HELIPAD4:
00236 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00237 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00238 return AMS_TTDP_TO_JUNCTION;
00239
00240 case TAKEOFF:
00241 return AMS_TTDP_TO_OUTWAY;
00242
00243 case STARTTAKEOFF:
00244 return AMS_TTDP_TAKEOFF;
00245
00246 case ENDTAKEOFF:
00247 return AMS_TTDP_CLIMBING;
00248
00249 case HELITAKEOFF:
00250 if (afc->delta_z == 0) {
00251 return amdflag & AMED_HELI_RAISE ?
00252 AMS_TTDP_HELI_TAKEOFF_AIRPORT : AMS_TTDP_TO_JUNCTION;
00253 } else {
00254 return AMS_TTDP_HELI_TAKEOFF_HELIPORT;
00255 }
00256
00257 case FLYING:
00258 return amdflag & AMED_HOLD ? AMS_TTDP_FLIGHT_APPROACH : AMS_TTDP_FLIGHT_TO_TOWER;
00259
00260 case LANDING:
00261 return AMS_TTDP_FLIGHT_DESCENT;
00262
00263 case ENDLANDING:
00264 if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING;
00265
00266 return AMS_TTDP_TO_INWAY;
00267
00268 case HELILANDING:
00269 case HELIENDLANDING:
00270 if (amdflag & AMED_HELI_LOWER) {
00271 return afc->delta_z == 0 ?
00272 AMS_TTDP_HELI_LAND_AIRPORT : AMS_TTDP_HELI_LAND_HELIPORT;
00273 } else {
00274 return AMS_TTDP_FLIGHT_TO_TOWER;
00275 }
00276
00277 default:
00278 return AMS_TTDP_HANGAR;
00279 }
00280 }
00281
00282
00283
00284 enum {
00285 AMA_TTDP_IN_HANGAR,
00286 AMA_TTDP_ON_PAD1,
00287 AMA_TTDP_ON_PAD2,
00288 AMA_TTDP_ON_PAD3,
00289 AMA_TTDP_HANGAR_TO_PAD1,
00290 AMA_TTDP_HANGAR_TO_PAD2,
00291 AMA_TTDP_HANGAR_TO_PAD3,
00292 AMA_TTDP_LANDING_TO_PAD1,
00293 AMA_TTDP_LANDING_TO_PAD2,
00294 AMA_TTDP_LANDING_TO_PAD3,
00295 AMA_TTDP_PAD1_TO_HANGAR,
00296 AMA_TTDP_PAD2_TO_HANGAR,
00297 AMA_TTDP_PAD3_TO_HANGAR,
00298 AMA_TTDP_PAD1_TO_TAKEOFF,
00299 AMA_TTDP_PAD2_TO_TAKEOFF,
00300 AMA_TTDP_PAD3_TO_TAKEOFF,
00301 AMA_TTDP_HANGAR_TO_TAKOFF,
00302 AMA_TTDP_LANDING_TO_HANGAR,
00303 AMA_TTDP_IN_FLIGHT,
00304 };
00305
00306
00312 static byte MapAircraftMovementAction(const Vehicle *v)
00313 {
00314 switch (v->u.air.state) {
00315 case HANGAR:
00316 return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_IN_HANGAR;
00317
00318 case TERM1:
00319 case HELIPAD1:
00320 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1;
00321
00322 case TERM2:
00323 case HELIPAD2:
00324 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2;
00325
00326 case TERM3:
00327 case TERM4:
00328 case TERM5:
00329 case TERM6:
00330 case TERM7:
00331 case TERM8:
00332 case HELIPAD3:
00333 case HELIPAD4:
00334 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3;
00335
00336 case TAKEOFF:
00337 case STARTTAKEOFF:
00338 case ENDTAKEOFF:
00339 case HELITAKEOFF:
00340
00341 return AMA_TTDP_PAD1_TO_TAKEOFF;
00342
00343 case FLYING:
00344 return AMA_TTDP_IN_FLIGHT;
00345
00346 case LANDING:
00347 case ENDLANDING:
00348 case HELILANDING:
00349 case HELIENDLANDING:
00350
00351 return (v->current_order.IsType(OT_GOTO_DEPOT)) ?
00352 AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_LANDING_TO_PAD1;
00353
00354 default:
00355 return AMA_TTDP_IN_HANGAR;
00356 }
00357 }
00358
00359
00360
00361 enum {
00362 ATP_TTDP_SMALL,
00363 ATP_TTDP_LARGE,
00364 ATP_TTDP_HELIPORT,
00365 ATP_TTDP_OILRIG,
00366 };
00367
00368
00369
00370 static inline const Vehicle *GRV(const ResolverObject *object)
00371 {
00372 switch (object->scope) {
00373 default: NOT_REACHED();
00374 case VSG_SCOPE_SELF: return object->u.vehicle.self;
00375 case VSG_SCOPE_PARENT: return object->u.vehicle.parent;
00376 case VSG_SCOPE_RELATIVE: {
00377 const Vehicle *v = NULL;
00378 switch (GB(object->count, 6, 2)) {
00379 default: NOT_REACHED();
00380 case 0x00:
00381 case 0x01:
00382 v = object->u.vehicle.self;
00383 break;
00384 case 0x02:
00385 v = object->u.vehicle.parent;
00386 break;
00387 case 0x03: {
00388 const Vehicle *self = object->u.vehicle.self;
00389 for (const Vehicle *u = self->First(); u != self; u = u->Next()) {
00390 if (u->engine_type != self->engine_type) {
00391 v = NULL;
00392 } else {
00393 if (v == NULL) v = u;
00394 }
00395 }
00396 if (v == NULL) v = self;
00397 } break;
00398 }
00399 uint32 count = GB(object->count, 0, 4);
00400 if (count == 0) count = GetRegister(0x100);
00401 while (v != NULL && count-- != 0) v = (GB(object->count, 6, 2) == 0x01) ? v->Previous() : v->Next();
00402 return v;
00403 }
00404 }
00405 }
00406
00407
00408 static uint32 VehicleGetRandomBits(const ResolverObject *object)
00409 {
00410 return GRV(object) == NULL ? 0 : GRV(object)->random_bits;
00411 }
00412
00413
00414 static uint32 VehicleGetTriggers(const ResolverObject *object)
00415 {
00416 return GRV(object) == NULL ? 0 : GRV(object)->waiting_triggers;
00417 }
00418
00419
00420 static void VehicleSetTriggers(const ResolverObject *object, int triggers)
00421 {
00422
00423
00424
00425
00426 Vehicle *v = (Vehicle*)GRV(object);
00427
00428
00429
00430 assert(object->trigger != 0);
00431
00432 if (v != NULL) v->waiting_triggers = triggers;
00433 }
00434
00435
00436 static uint8 LiveryHelper(EngineID engine, const Vehicle *v)
00437 {
00438 const Livery *l;
00439
00440 if (v == NULL) {
00441 if (!IsValidCompanyID(_current_company)) return 0;
00442 l = GetEngineLivery(engine, _current_company, INVALID_ENGINE, NULL);
00443 } else if (v->type == VEH_TRAIN) {
00444 l = GetEngineLivery(v->engine_type, v->owner, v->u.rail.first_engine, v);
00445 } else if (v->type == VEH_ROAD) {
00446 l = GetEngineLivery(v->engine_type, v->owner, v->u.road.first_engine, v);
00447 } else {
00448 l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v);
00449 }
00450
00451 return l->colour1 + l->colour2 * 16;
00452 }
00453
00461 static uint32 PositionHelper(const Vehicle *v, bool consecutive)
00462 {
00463 const Vehicle *u;
00464 byte chain_before = 0;
00465 byte chain_after = 0;
00466
00467 for (u = v->First(); u != v; u = u->Next()) {
00468 chain_before++;
00469 if (consecutive && u->engine_type != v->engine_type) chain_before = 0;
00470 }
00471
00472 while (u->Next() != NULL && (!consecutive || u->Next()->engine_type == v->engine_type)) {
00473 chain_after++;
00474 u = u->Next();
00475 }
00476
00477 return chain_before | chain_after << 8 | (chain_before + chain_after + consecutive) << 16;
00478 }
00479
00480 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00481 {
00482 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00483
00484 if (v == NULL) {
00485
00486 switch (variable) {
00487 case 0x43: return _current_company | (LiveryHelper(object->u.vehicle.self_type, NULL) << 24);
00488 case 0x46: return 0;
00489 case 0x47: {
00490 const Engine *e = GetEngine(object->u.vehicle.self_type);
00491 CargoID cargo_type = e->GetDefaultCargoType();
00492 if (cargo_type != CT_INVALID) {
00493 const CargoSpec *cs = GetCargo(cargo_type);
00494 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(e->index)->cargo_map[cargo_type];
00495 } else {
00496 return 0x000000FF;
00497 }
00498 }
00499 case 0x48: return GetEngine(object->u.vehicle.self_type)->flags;
00500 case 0x49: return _cur_year;
00501 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00502 case 0xDA: return INVALID_VEHICLE;
00503 case 0xF2: return 0;
00504 }
00505
00506 *available = false;
00507 return UINT_MAX;
00508 }
00509
00510
00511 switch (variable) {
00512 case 0x25:
00513 return GetEngineGRFID(v->engine_type);
00514
00515 case 0x40:
00516 if (!HasBit(v->cache_valid, 0)) {
00517 v->cached_var40 = PositionHelper(v, false);
00518 SetBit(v->cache_valid, 0);
00519 }
00520 return v->cached_var40;
00521
00522 case 0x41:
00523 if (!HasBit(v->cache_valid, 1)) {
00524 v->cached_var41 = PositionHelper(v, true);
00525 SetBit(v->cache_valid, 1);
00526 }
00527 return v->cached_var41;
00528
00529 case 0x42:
00530 if (!HasBit(v->cache_valid, 2)) {
00531 const Vehicle *u;
00532 byte cargo_classes = 0;
00533 uint8 common_cargos[NUM_CARGO];
00534 uint8 common_subtypes[256];
00535 byte user_def_data = 0;
00536 CargoID common_cargo_type = CT_INVALID;
00537 uint8 common_subtype = 0xFF;
00538
00539
00540 memset(common_cargos, 0, sizeof(common_cargos));
00541 memset(common_subtypes, 0, sizeof(common_subtypes));
00542
00543 for (u = v; u != NULL; u = u->Next()) {
00544 if (v->type == VEH_TRAIN) user_def_data |= u->u.rail.user_def_data;
00545
00546
00547 if (u->cargo_cap == 0) continue;
00548
00549 cargo_classes |= GetCargo(u->cargo_type)->classes;
00550 common_cargos[u->cargo_type]++;
00551 }
00552
00553
00554 uint common_cargo_best_amount = 0;
00555 for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
00556 if (common_cargos[cargo] > common_cargo_best_amount) {
00557 common_cargo_best_amount = common_cargos[cargo];
00558 common_cargo_type = cargo;
00559 }
00560 }
00561
00562
00563 for (u = v; u != NULL; u = u->Next()) {
00564
00565 if (u->cargo_cap == 0 || u->cargo_type != common_cargo_type) continue;
00566
00567 common_subtypes[u->cargo_subtype]++;
00568 }
00569
00570
00571 uint common_subtype_best_amount = 0;
00572 for (uint i = 0; i < lengthof(common_subtypes); i++) {
00573 if (common_subtypes[i] > common_subtype_best_amount) {
00574 common_subtype_best_amount = common_subtypes[i];
00575 common_subtype = i;
00576 }
00577 }
00578
00579 uint8 common_bitnum = (common_cargo_type == CT_INVALID ? 0xFF : GetCargo(common_cargo_type)->bitnum);
00580 v->cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
00581 SetBit(v->cache_valid, 2);
00582 }
00583 return v->cached_var42;
00584
00585 case 0x43:
00586 if (!HasBit(v->cache_valid, 3)) {
00587 v->cached_var43 = v->owner | (GetCompany(v->owner)->is_ai ? 0x10000 : 0) | (LiveryHelper(v->engine_type, v) << 24);
00588 SetBit(v->cache_valid, 3);
00589 }
00590 return v->cached_var43;
00591
00592 case 0x44:
00593 if (v->type != VEH_AIRCRAFT) return UINT_MAX;
00594
00595 {
00596 const Vehicle *w = v->Next();
00597 uint16 altitude = v->z_pos - w->z_pos;
00598 byte airporttype = ATP_TTDP_LARGE;
00599
00600 const Station *st = GetTargetAirportIfValid(v);
00601
00602 if (st != NULL) {
00603 switch (st->airport_type) {
00604
00605
00606 case AT_HELIDEPOT:
00607 case AT_HELISTATION:
00608 case AT_COMMUTER:
00609 case AT_SMALL: airporttype = ATP_TTDP_SMALL; break;
00610 case AT_METROPOLITAN:
00611 case AT_INTERNATIONAL:
00612 case AT_INTERCON:
00613 case AT_LARGE: airporttype = ATP_TTDP_LARGE; break;
00614 case AT_HELIPORT: airporttype = ATP_TTDP_HELIPORT; break;
00615 case AT_OILRIG: airporttype = ATP_TTDP_OILRIG; break;
00616 default: airporttype = ATP_TTDP_LARGE; break;
00617 }
00618 }
00619
00620 return (altitude << 8) | airporttype;
00621 }
00622
00623 case 0x45: {
00624
00625
00626
00627
00628
00629 if (v->type != VEH_TRAIN && v->type != VEH_ROAD) return 0;
00630
00631 const Vehicle *u_p = v->Previous();
00632 const Vehicle *u_n = v->Next();
00633 DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
00634 DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
00635 DirDiff t = ChangeDirDiff(f, b);
00636
00637 return ((t > DIRDIFF_REVERSE ? t | 8 : t) << 16) |
00638 ((b > DIRDIFF_REVERSE ? b | 8 : b) << 8) |
00639 ( f > DIRDIFF_REVERSE ? f | 8 : f);
00640 }
00641
00642 case 0x46:
00643 return v->motion_counter;
00644
00645 case 0x47: {
00646
00647
00648
00649
00650
00651
00652 const CargoSpec *cs = GetCargo(v->cargo_type);
00653
00654 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(v->engine_type)->cargo_map[v->cargo_type];
00655 }
00656
00657 case 0x48: return GetEngine(v->engine_type)->flags;
00658 case 0x49: return v->build_year;
00659
00660
00661 case 0x60:
00662
00663 if (v->type != VEH_TRAIN) return GetEngine(v->engine_type)->internal_id == parameter;
00664
00665 {
00666 uint count = 0;
00667 for (; v != NULL; v = v->Next()) {
00668 if (GetEngine(v->engine_type)->internal_id == parameter) count++;
00669 }
00670 return count;
00671 }
00672
00673 case 0xFE:
00674 case 0xFF: {
00675 uint16 modflags = 0;
00676
00677 if (v->type == VEH_TRAIN) {
00678 const Vehicle *u = IsTrainWagon(v) && HasBit(v->vehicle_flags, VRF_POWEREDWAGON) ? v->First() : v;
00679 RailType railtype = GetRailType(v->tile);
00680 bool powered = IsTrainEngine(v) || (IsTrainWagon(v) && HasBit(v->vehicle_flags, VRF_POWEREDWAGON));
00681 bool has_power = powered && HasPowerOnRail(u->u.rail.railtype, railtype);
00682 bool is_electric = powered && u->u.rail.railtype == RAILTYPE_ELECTRIC;
00683
00684 if (has_power) SetBit(modflags, 5);
00685 if (is_electric && !has_power) SetBit(modflags, 6);
00686 if (HasBit(v->u.rail.flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00687 }
00688 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00689
00690 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00691 }
00692 }
00693
00694
00695 switch (variable - 0x80) {
00696 case 0x00: return v->type + 0x10;
00697 case 0x01: return MapOldSubType(v);
00698 case 0x04: return v->index;
00699 case 0x05: return GB(v->index, 8, 8);
00700 case 0x0A: return v->current_order.MapOldOrder();
00701 case 0x0B: return v->current_order.GetDestination();
00702 case 0x0C: return v->GetNumOrders();
00703 case 0x0D: return v->cur_order_index;
00704 case 0x10: return v->load_unload_time_rem;
00705 case 0x11: return GB(v->load_unload_time_rem, 8, 8);
00706 case 0x12: return max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0);
00707 case 0x13: return GB(max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0), 8, 8);
00708 case 0x14: return v->service_interval;
00709 case 0x15: return GB(v->service_interval, 8, 8);
00710 case 0x16: return v->last_station_visited;
00711 case 0x17: return v->tick_counter;
00712 case 0x18: return v->max_speed;
00713 case 0x19: return GB(v->max_speed, 8, 8);
00714 case 0x1A: return v->x_pos;
00715 case 0x1B: return GB(v->x_pos, 8, 8);
00716 case 0x1C: return v->y_pos;
00717 case 0x1D: return GB(v->y_pos, 8, 8);
00718 case 0x1E: return v->z_pos;
00719 case 0x1F: return object->info_view ? DIR_W : v->direction;
00720 case 0x28: return v->cur_image;
00721 case 0x29: return GB(v->cur_image, 8, 8);
00722 case 0x32: return v->vehstatus;
00723 case 0x33: return 0;
00724 case 0x34: return v->cur_speed;
00725 case 0x35: return GB(v->cur_speed, 8, 8);
00726 case 0x36: return v->subspeed;
00727 case 0x37: return v->acceleration;
00728 case 0x39: return v->cargo_type;
00729 case 0x3A: return v->cargo_cap;
00730 case 0x3B: return GB(v->cargo_cap, 8, 8);
00731 case 0x3C: return v->cargo.Count();
00732 case 0x3D: return GB(v->cargo.Count(), 8, 8);
00733 case 0x3E: return v->cargo.Source();
00734 case 0x3F: return v->cargo.DaysInTransit();
00735 case 0x40: return v->age;
00736 case 0x41: return GB(v->age, 8, 8);
00737 case 0x42: return v->max_age;
00738 case 0x43: return GB(v->max_age, 8, 8);
00739 case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00740 case 0x45: return v->unitnumber;
00741 case 0x46: return GetEngine(v->engine_type)->internal_id;
00742 case 0x47: return GB(GetEngine(v->engine_type)->internal_id, 8, 8);
00743 case 0x48:
00744 if (v->type != VEH_TRAIN || v->spritenum != 0xFD) return v->spritenum;
00745 return HasBit(v->u.rail.flags, VRF_REVERSE_DIRECTION) ? 0xFE : 0xFD;
00746
00747 case 0x49: return v->day_counter;
00748 case 0x4A: return v->breakdowns_since_last_service;
00749 case 0x4B: return v->breakdown_ctr;
00750 case 0x4C: return v->breakdown_delay;
00751 case 0x4D: return v->breakdown_chance;
00752 case 0x4E: return v->reliability;
00753 case 0x4F: return GB(v->reliability, 8, 8);
00754 case 0x50: return v->reliability_spd_dec;
00755 case 0x51: return GB(v->reliability_spd_dec, 8, 8);
00756 case 0x52: return ClampToI32(v->GetDisplayProfitThisYear());
00757 case 0x53: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 8, 24);
00758 case 0x54: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 16, 16);
00759 case 0x55: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 24, 8);
00760 case 0x56: return ClampToI32(v->GetDisplayProfitLastYear());
00761 case 0x57: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 8, 24);
00762 case 0x58: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 16, 16);
00763 case 0x59: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 24, 8);
00764 case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
00765 case 0x5C: return ClampToI32(v->value);
00766 case 0x5D: return GB(ClampToI32(v->value), 8, 24);
00767 case 0x5E: return GB(ClampToI32(v->value), 16, 16);
00768 case 0x5F: return GB(ClampToI32(v->value), 24, 8);
00769 case 0x72: return v->cargo_subtype;
00770 case 0x7A: return v->random_bits;
00771 case 0x7B: return v->waiting_triggers;
00772 }
00773
00774
00775 switch (v->type) {
00776 case VEH_TRAIN:
00777 switch (variable - 0x80) {
00778 case 0x62: return v->u.rail.track;
00779 case 0x66: return v->u.rail.railtype;
00780 case 0x73: return v->u.rail.cached_veh_length;
00781 case 0x74: return v->u.rail.cached_power;
00782 case 0x75: return GB(v->u.rail.cached_power, 8, 24);
00783 case 0x76: return GB(v->u.rail.cached_power, 16, 16);
00784 case 0x77: return GB(v->u.rail.cached_power, 24, 8);
00785 case 0x7C: return v->First()->index;
00786 case 0x7D: return GB(v->First()->index, 8, 8);
00787 case 0x7F: return 0;
00788 }
00789 break;
00790
00791 case VEH_ROAD:
00792 switch (variable - 0x80) {
00793 case 0x62: return v->u.road.state;
00794 case 0x64: return v->u.road.blocked_ctr;
00795 case 0x65: return GB(v->u.road.blocked_ctr, 8, 8);
00796 case 0x66: return v->u.road.overtaking;
00797 case 0x67: return v->u.road.overtaking_ctr;
00798 case 0x68: return v->u.road.crashed_ctr;
00799 case 0x69: return GB(v->u.road.crashed_ctr, 8, 8);
00800 }
00801 break;
00802
00803 case VEH_AIRCRAFT:
00804 switch (variable - 0x80) {
00805 case 0x62: return MapAircraftMovementState(v);
00806 case 0x63: return v->u.air.targetairport;
00807 case 0x66: return MapAircraftMovementAction(v);
00808 }
00809 break;
00810
00811 default: break;
00812 }
00813
00814 DEBUG(grf, 1, "Unhandled vehicle property 0x%X, type 0x%X", variable, (uint)v->type);
00815
00816 *available = false;
00817 return UINT_MAX;
00818 }
00819
00820
00821 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const SpriteGroup *group)
00822 {
00823 const Vehicle *v = object->u.vehicle.self;
00824
00825 if (v == NULL) {
00826 if (group->g.real.num_loading > 0) return group->g.real.loading[0];
00827 if (group->g.real.num_loaded > 0) return group->g.real.loaded[0];
00828 return NULL;
00829 }
00830
00831 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00832
00833 uint totalsets = in_motion ? group->g.real.num_loaded : group->g.real.num_loading;
00834
00835 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00836 set = min(set, totalsets - 1);
00837
00838 return in_motion ? group->g.real.loaded[set] : group->g.real.loading[set];
00839 }
00840
00841
00842 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00843 {
00844 res->GetRandomBits = &VehicleGetRandomBits;
00845 res->GetTriggers = &VehicleGetTriggers;
00846 res->SetTriggers = &VehicleSetTriggers;
00847 res->GetVariable = &VehicleGetVariable;
00848 res->ResolveReal = &VehicleResolveReal;
00849
00850 res->u.vehicle.self = v;
00851 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00852
00853 res->u.vehicle.self_type = engine_type;
00854
00855 res->info_view = false;
00856
00857 res->callback = CBID_NO_CALLBACK;
00858 res->callback_param1 = 0;
00859 res->callback_param2 = 0;
00860 res->last_value = 0;
00861 res->trigger = 0;
00862 res->reseed = 0;
00863 res->count = 0;
00864
00865 const Engine *e = GetEngine(engine_type);
00866 res->grffile = (e != NULL ? e->grffile : NULL);
00867 }
00868
00869
00878 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00879 {
00880 const SpriteGroup *group;
00881 CargoID cargo;
00882
00883 if (v == NULL) {
00884 cargo = CT_PURCHASE;
00885 } else {
00886 cargo = v->cargo_type;
00887
00888 if (v->type == VEH_TRAIN) {
00889
00890
00891
00892 group = use_cache ? v->u.rail.cached_override : GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.rail.first_engine);
00893 if (group != NULL) return group;
00894 } else if (v->type == VEH_ROAD) {
00895 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.road.first_engine);
00896 if (group != NULL) return group;
00897 }
00898 }
00899
00900 const Engine *e = GetEngine(engine);
00901
00902 assert(cargo < lengthof(e->group));
00903 group = e->group[cargo];
00904 if (group != NULL) return group;
00905
00906
00907 return e->group[CT_DEFAULT];
00908 }
00909
00910
00911 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction)
00912 {
00913 const SpriteGroup *group;
00914 ResolverObject object;
00915
00916 NewVehicleResolver(&object, engine, v);
00917
00918 group = Resolve(GetVehicleSpriteGroup(engine, v), &object);
00919 if (group == NULL || group->type != SGT_RESULT || group->g.result.num_sprites == 0) return 0;
00920
00921 return group->g.result.sprite + (direction % group->g.result.num_sprites);
00922 }
00923
00924
00925 SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle *v, bool info_view)
00926 {
00927 const Engine *e = GetEngine(engine);
00928
00929
00930 assert(e->type == VEH_AIRCRAFT);
00931 assert(!(e->u.air.subtype & AIR_CTOL));
00932
00933 ResolverObject object;
00934
00935 NewVehicleResolver(&object, engine, v);
00936
00937 object.info_view = info_view;
00938
00939 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
00940 group = Resolve(group, &object);
00941
00942 if (group == NULL || group->type != SGT_RESULT || group->g.result.num_sprites == 0) return 0;
00943
00944 if (v == NULL) return group->g.result.sprite;
00945
00946 return group->g.result.sprite + (info_view ? 0 : (v->Next()->Next()->u.air.state % group->g.result.num_sprites));
00947 }
00948
00949
00955 bool UsesWagonOverride(const Vehicle *v)
00956 {
00957 assert(v->type == VEH_TRAIN);
00958 return v->u.rail.cached_override != NULL;
00959 }
00960
00970 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
00971 {
00972 const SpriteGroup *group;
00973 ResolverObject object;
00974
00975 NewVehicleResolver(&object, engine, v);
00976
00977 object.callback = callback;
00978 object.callback_param1 = param1;
00979 object.callback_param2 = param2;
00980
00981 group = Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
00982 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
00983
00984 return group->g.callback.result;
00985 }
00986
00997 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
00998 {
00999 const SpriteGroup *group;
01000 ResolverObject object;
01001
01002 NewVehicleResolver(&object, engine, v);
01003
01004 object.callback = callback;
01005 object.callback_param1 = param1;
01006 object.callback_param2 = param2;
01007
01008 object.u.vehicle.parent = parent;
01009
01010 group = Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
01011 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
01012
01013 return group->g.callback.result;
01014 }
01015
01016
01017
01018 uint GetVehicleProperty(const Vehicle *v, uint8 property, uint orig_value)
01019 {
01020 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, v->engine_type, v);
01021 if (callback != CALLBACK_FAILED) return callback;
01022
01023 return orig_value;
01024 }
01025
01026
01027 uint GetEngineProperty(EngineID engine, uint8 property, uint orig_value)
01028 {
01029 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, NULL);
01030 if (callback != CALLBACK_FAILED) return callback;
01031
01032 return orig_value;
01033 }
01034
01035
01036 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01037 {
01038 const SpriteGroup *group;
01039 ResolverObject object;
01040 byte new_random_bits;
01041
01042
01043 assert(v != NULL);
01044
01045 NewVehicleResolver(&object, v->engine_type, v);
01046 object.callback = CBID_RANDOM_TRIGGER;
01047 object.trigger = trigger;
01048
01049 group = Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01050 if (group == NULL) return;
01051
01052 new_random_bits = Random();
01053 v->random_bits &= ~object.reseed;
01054 v->random_bits |= (first ? new_random_bits : base_random_bits) & object.reseed;
01055
01056 switch (trigger) {
01057 case VEHICLE_TRIGGER_NEW_CARGO:
01058
01059
01060
01061
01062
01063
01064
01065 assert(first);
01066 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01067 break;
01068
01069 case VEHICLE_TRIGGER_DEPOT:
01070
01071
01072
01073 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01074 break;
01075
01076 case VEHICLE_TRIGGER_EMPTY:
01077
01078
01079
01080
01081 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01082 break;
01083
01084 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01085
01086
01087 assert(!first);
01088 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01089 break;
01090
01091 case VEHICLE_TRIGGER_CALLBACK_32:
01092
01093 break;
01094 }
01095 }
01096
01097 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01098 {
01099 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01100
01101 VehicleEnteredDepotThisTick(v);
01102 }
01103
01104 v->InvalidateNewGRFCacheOfChain();
01105 DoTriggerVehicle(v, trigger, 0, true);
01106 v->InvalidateNewGRFCacheOfChain();
01107 }
01108
01109
01110
01111
01118 uint ListPositionOfEngine(EngineID engine)
01119 {
01120 const Engine *e = GetEngine(engine);
01121 if (e->grffile == NULL) return e->list_position;
01122
01123
01124 return (e->grffile->grfid * 256) + e->list_position;
01125 }
01126
01127 struct ListOrderChange {
01128 EngineID engine;
01129 EngineID target;
01130 };
01131
01132 static SmallVector<ListOrderChange, 16> _list_order_changes;
01133
01134 void AlterVehicleListOrder(EngineID engine, EngineID target)
01135 {
01136
01137 ListOrderChange *loc = _list_order_changes.Append();
01138 loc->engine = engine;
01139 loc->target = target;
01140 }
01141
01142 void CommitVehicleListOrderChanges()
01143 {
01144
01145 typedef SmallMap<uint16, Engine *, 16> ListPositionMap;
01146 ListPositionMap lptr_map;
01147
01148 const ListOrderChange *end = _list_order_changes.End();
01149 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01150 EngineID engine = it->engine;
01151 EngineID target = it->target;
01152
01153 if (engine == target) continue;
01154
01155 Engine *source_e = GetEngine(engine);
01156 Engine *target_e = NULL;
01157
01158
01159 Engine *e;
01160 FOR_ALL_ENGINES_OF_TYPE(e, source_e->type) {
01161 if (!_settings_game.vehicle.dynamic_engines || e->grffile == source_e->grffile) {
01162 if (e->internal_id == target) target_e = e;
01163 lptr_map[e->list_position] = e;
01164 }
01165 }
01166
01167
01168 lptr_map.SortByKey();
01169
01170
01171 if (target_e != NULL) {
01172 uint16 target_position = target_e->list_position;
01173
01174 bool moving = false;
01175 const ListPositionMap::Pair *end = lptr_map.End();
01176 for (ListPositionMap::Pair *it = lptr_map.Begin(); it != end; ++it) {
01177 if (it->first == target_position) moving = true;
01178 if (moving) it->second->list_position++;
01179 }
01180
01181 source_e->list_position = target_position;
01182 }
01183
01184 lptr_map.Clear();
01185 }
01186
01187
01188 _list_order_changes.Reset();
01189 }