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 return GetEngineGRF(engine)->grfid;
00126 }
00127
00128
00129 static int MapOldSubType(const Vehicle *v)
00130 {
00131 if (v->type != VEH_TRAIN) return v->subtype;
00132 if (IsTrainEngine(v)) return 0;
00133 if (IsFreeWagon(v)) return 4;
00134 return 2;
00135 }
00136
00137
00138
00139 enum {
00140 AMS_TTDP_HANGAR,
00141 AMS_TTDP_TO_HANGAR,
00142 AMS_TTDP_TO_PAD1,
00143 AMS_TTDP_TO_PAD2,
00144 AMS_TTDP_TO_PAD3,
00145 AMS_TTDP_TO_ENTRY_2_AND_3,
00146 AMS_TTDP_TO_ENTRY_2_AND_3_AND_H,
00147 AMS_TTDP_TO_JUNCTION,
00148 AMS_TTDP_LEAVE_RUNWAY,
00149 AMS_TTDP_TO_INWAY,
00150 AMS_TTDP_TO_RUNWAY,
00151 AMS_TTDP_TO_OUTWAY,
00152 AMS_TTDP_WAITING,
00153 AMS_TTDP_TAKEOFF,
00154 AMS_TTDP_TO_TAKEOFF,
00155 AMS_TTDP_CLIMBING,
00156 AMS_TTDP_FLIGHT_APPROACH,
00157 AMS_TTDP_UNUSED_0x11,
00158 AMS_TTDP_FLIGHT_TO_TOWER,
00159 AMS_TTDP_UNUSED_0x13,
00160 AMS_TTDP_FLIGHT_FINAL,
00161 AMS_TTDP_FLIGHT_DESCENT,
00162 AMS_TTDP_BRAKING,
00163 AMS_TTDP_HELI_TAKEOFF_AIRPORT,
00164 AMS_TTDP_HELI_TO_TAKEOFF_AIRPORT,
00165 AMS_TTDP_HELI_LAND_AIRPORT,
00166 AMS_TTDP_HELI_TAKEOFF_HELIPORT,
00167 AMS_TTDP_HELI_TO_TAKEOFF_HELIPORT,
00168 AMS_TTDP_HELI_LAND_HELIPORT,
00169 };
00170
00171
00176 static byte MapAircraftMovementState(const Vehicle *v)
00177 {
00178 const Station *st = GetTargetAirportIfValid(v);
00179 if (st == NULL) return AMS_TTDP_FLIGHT_TO_TOWER;
00180
00181 const AirportFTAClass *afc = st->Airport();
00182 uint16 amdflag = afc->MovingData(v->u.air.pos)->flag;
00183
00184 switch (v->u.air.state) {
00185 case HANGAR:
00186
00187
00188
00189
00190
00191
00192 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00193
00194
00195
00196 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00197
00198
00199
00200 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_HANGAR;
00201
00202
00203 return AMS_TTDP_TO_HANGAR;
00204
00205 case TERM1:
00206 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD1;
00207 return AMS_TTDP_TO_JUNCTION;
00208
00209 case TERM2:
00210 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD2;
00211 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00212
00213 case TERM3:
00214 case TERM4:
00215 case TERM5:
00216 case TERM6:
00217 case TERM7:
00218 case TERM8:
00219
00220 if (amdflag & AMED_EXACTPOS) return AMS_TTDP_TO_PAD3;
00221 return AMS_TTDP_TO_ENTRY_2_AND_3_AND_H;
00222
00223 case HELIPAD1:
00224 case HELIPAD2:
00225 case HELIPAD3:
00226 case HELIPAD4:
00227 if (amdflag & AMED_HELI_LOWER) return AMS_TTDP_HELI_LAND_AIRPORT;
00228 if (amdflag & AMED_SLOWTURN) return AMS_TTDP_FLIGHT_TO_TOWER;
00229 return AMS_TTDP_TO_JUNCTION;
00230
00231 case TAKEOFF:
00232 return AMS_TTDP_TO_OUTWAY;
00233
00234 case STARTTAKEOFF:
00235 return AMS_TTDP_TAKEOFF;
00236
00237 case ENDTAKEOFF:
00238 return AMS_TTDP_CLIMBING;
00239
00240 case HELITAKEOFF:
00241 if (afc->delta_z == 0) {
00242 return amdflag & AMED_HELI_RAISE ?
00243 AMS_TTDP_HELI_TAKEOFF_AIRPORT : AMS_TTDP_TO_JUNCTION;
00244 } else {
00245 return AMS_TTDP_HELI_TAKEOFF_HELIPORT;
00246 }
00247
00248 case FLYING:
00249 return amdflag & AMED_HOLD ? AMS_TTDP_FLIGHT_APPROACH : AMS_TTDP_FLIGHT_TO_TOWER;
00250
00251 case LANDING:
00252 return AMS_TTDP_FLIGHT_DESCENT;
00253
00254 case ENDLANDING:
00255 if (amdflag & AMED_BRAKE) return AMS_TTDP_BRAKING;
00256
00257 return AMS_TTDP_TO_INWAY;
00258
00259 case HELILANDING:
00260 case HELIENDLANDING:
00261 if (amdflag & AMED_HELI_LOWER) {
00262 return afc->delta_z == 0 ?
00263 AMS_TTDP_HELI_LAND_AIRPORT : AMS_TTDP_HELI_LAND_HELIPORT;
00264 } else {
00265 return AMS_TTDP_FLIGHT_TO_TOWER;
00266 }
00267
00268 default:
00269 return AMS_TTDP_HANGAR;
00270 }
00271 }
00272
00273
00274
00275 enum {
00276 AMA_TTDP_IN_HANGAR,
00277 AMA_TTDP_ON_PAD1,
00278 AMA_TTDP_ON_PAD2,
00279 AMA_TTDP_ON_PAD3,
00280 AMA_TTDP_HANGAR_TO_PAD1,
00281 AMA_TTDP_HANGAR_TO_PAD2,
00282 AMA_TTDP_HANGAR_TO_PAD3,
00283 AMA_TTDP_LANDING_TO_PAD1,
00284 AMA_TTDP_LANDING_TO_PAD2,
00285 AMA_TTDP_LANDING_TO_PAD3,
00286 AMA_TTDP_PAD1_TO_HANGAR,
00287 AMA_TTDP_PAD2_TO_HANGAR,
00288 AMA_TTDP_PAD3_TO_HANGAR,
00289 AMA_TTDP_PAD1_TO_TAKEOFF,
00290 AMA_TTDP_PAD2_TO_TAKEOFF,
00291 AMA_TTDP_PAD3_TO_TAKEOFF,
00292 AMA_TTDP_HANGAR_TO_TAKOFF,
00293 AMA_TTDP_LANDING_TO_HANGAR,
00294 AMA_TTDP_IN_FLIGHT,
00295 };
00296
00297
00303 static byte MapAircraftMovementAction(const Vehicle *v)
00304 {
00305 switch (v->u.air.state) {
00306 case HANGAR:
00307 return (v->cur_speed > 0) ? AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_IN_HANGAR;
00308
00309 case TERM1:
00310 case HELIPAD1:
00311 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD1 : AMA_TTDP_LANDING_TO_PAD1;
00312
00313 case TERM2:
00314 case HELIPAD2:
00315 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD2 : AMA_TTDP_LANDING_TO_PAD2;
00316
00317 case TERM3:
00318 case TERM4:
00319 case TERM5:
00320 case TERM6:
00321 case TERM7:
00322 case TERM8:
00323 case HELIPAD3:
00324 case HELIPAD4:
00325 return (v->current_order.IsType(OT_LOADING)) ? AMA_TTDP_ON_PAD3 : AMA_TTDP_LANDING_TO_PAD3;
00326
00327 case TAKEOFF:
00328 case STARTTAKEOFF:
00329 case ENDTAKEOFF:
00330 case HELITAKEOFF:
00331
00332 return AMA_TTDP_PAD1_TO_TAKEOFF;
00333
00334 case FLYING:
00335 return AMA_TTDP_IN_FLIGHT;
00336
00337 case LANDING:
00338 case ENDLANDING:
00339 case HELILANDING:
00340 case HELIENDLANDING:
00341
00342 return (v->current_order.IsType(OT_GOTO_DEPOT)) ?
00343 AMA_TTDP_LANDING_TO_HANGAR : AMA_TTDP_LANDING_TO_PAD1;
00344
00345 default:
00346 return AMA_TTDP_IN_HANGAR;
00347 }
00348 }
00349
00350
00351
00352 enum {
00353 ATP_TTDP_SMALL,
00354 ATP_TTDP_LARGE,
00355 ATP_TTDP_HELIPORT,
00356 ATP_TTDP_OILRIG,
00357 };
00358
00359
00360
00361 static inline const Vehicle *GRV(const ResolverObject *object)
00362 {
00363 switch (object->scope) {
00364 default: NOT_REACHED();
00365 case VSG_SCOPE_SELF: return object->u.vehicle.self;
00366 case VSG_SCOPE_PARENT: return object->u.vehicle.parent;
00367 case VSG_SCOPE_RELATIVE: {
00368 const Vehicle *v = NULL;
00369 switch (GB(object->count, 6, 2)) {
00370 default: NOT_REACHED();
00371 case 0x00:
00372 case 0x01:
00373 v = object->u.vehicle.self;
00374 break;
00375 case 0x02:
00376 v = object->u.vehicle.parent;
00377 break;
00378 case 0x03: {
00379 const Vehicle *self = object->u.vehicle.self;
00380 for (const Vehicle *u = self->First(); u != self; u = u->Next()) {
00381 if (u->engine_type != self->engine_type) {
00382 v = NULL;
00383 } else {
00384 if (v == NULL) v = u;
00385 }
00386 }
00387 if (v == NULL) v = self;
00388 } break;
00389 }
00390 uint32 count = GB(object->count, 0, 4);
00391 if (count == 0) count = GetRegister(0x100);
00392 while (v != NULL && count-- != 0) v = (GB(object->count, 6, 2) == 0x01) ? v->Previous() : v->Next();
00393 return v;
00394 }
00395 }
00396 }
00397
00398
00399 static uint32 VehicleGetRandomBits(const ResolverObject *object)
00400 {
00401 return GRV(object) == NULL ? 0 : GRV(object)->random_bits;
00402 }
00403
00404
00405 static uint32 VehicleGetTriggers(const ResolverObject *object)
00406 {
00407 return GRV(object) == NULL ? 0 : GRV(object)->waiting_triggers;
00408 }
00409
00410
00411 static void VehicleSetTriggers(const ResolverObject *object, int triggers)
00412 {
00413
00414
00415
00416
00417 Vehicle *v = (Vehicle*)GRV(object);
00418
00419
00420
00421 assert(object->trigger != 0);
00422
00423 if (v != NULL) v->waiting_triggers = triggers;
00424 }
00425
00426
00427 static uint8 LiveryHelper(EngineID engine, const Vehicle *v)
00428 {
00429 const Livery *l;
00430
00431 if (v == NULL) {
00432 if (!IsValidCompanyID(_current_company)) return 0;
00433 l = GetEngineLivery(engine, _current_company, INVALID_ENGINE, NULL);
00434 } else if (v->type == VEH_TRAIN) {
00435 l = GetEngineLivery(v->engine_type, v->owner, v->u.rail.first_engine, v);
00436 } else if (v->type == VEH_ROAD) {
00437 l = GetEngineLivery(v->engine_type, v->owner, v->u.road.first_engine, v);
00438 } else {
00439 l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v);
00440 }
00441
00442 return l->colour1 + l->colour2 * 16;
00443 }
00444
00452 static uint32 PositionHelper(const Vehicle *v, bool consecutive)
00453 {
00454 const Vehicle *u;
00455 byte chain_before = 0;
00456 byte chain_after = 0;
00457
00458 for (u = v->First(); u != v; u = u->Next()) {
00459 chain_before++;
00460 if (consecutive && u->engine_type != v->engine_type) chain_before = 0;
00461 }
00462
00463 while (u->Next() != NULL && (!consecutive || u->Next()->engine_type == v->engine_type)) {
00464 chain_after++;
00465 u = u->Next();
00466 }
00467
00468 return chain_before | chain_after << 8 | (chain_before + chain_after + consecutive) << 16;
00469 }
00470
00471 static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
00472 {
00473 Vehicle *v = const_cast<Vehicle*>(GRV(object));
00474
00475 if (v == NULL) {
00476
00477 switch (variable) {
00478 case 0x43: return _current_company | (LiveryHelper(object->u.vehicle.self_type, NULL) << 24);
00479 case 0x46: return 0;
00480 case 0x47: {
00481 const Engine *e = GetEngine(object->u.vehicle.self_type);
00482 CargoID cargo_type = e->GetDefaultCargoType();
00483 if (cargo_type != CT_INVALID) {
00484 const CargoSpec *cs = GetCargo(cargo_type);
00485 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(e->index)->cargo_map[cargo_type];
00486 } else {
00487 return 0x000000FF;
00488 }
00489 }
00490 case 0x48: return GetEngine(object->u.vehicle.self_type)->flags;
00491 case 0x49: return _cur_year;
00492 case 0xC4: return Clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00493 case 0xDA: return INVALID_VEHICLE;
00494 case 0xF2: return 0;
00495 }
00496
00497 *available = false;
00498 return UINT_MAX;
00499 }
00500
00501
00502 switch (variable) {
00503 case 0x40:
00504 if (!HasBit(v->cache_valid, 0)) {
00505 v->cached_var40 = PositionHelper(v, false);
00506 SetBit(v->cache_valid, 0);
00507 }
00508 return v->cached_var40;
00509
00510 case 0x41:
00511 if (!HasBit(v->cache_valid, 1)) {
00512 v->cached_var41 = PositionHelper(v, true);
00513 SetBit(v->cache_valid, 1);
00514 }
00515 return v->cached_var41;
00516
00517 case 0x42:
00518 if (!HasBit(v->cache_valid, 2)) {
00519 const Vehicle *u;
00520 byte cargo_classes = 0;
00521 CargoID common_cargo_best = CT_INVALID;
00522 uint8 common_cargos[NUM_CARGO];
00523 uint8 common_subtype_best = 0xFF;
00524 uint8 common_subtypes[256];
00525 byte user_def_data = 0;
00526 CargoID common_cargo_type = CT_PASSENGERS;
00527 uint8 common_subtype = 0;
00528
00529
00530 memset(common_cargos, 0, sizeof(common_cargos));
00531 memset(common_subtypes, 0, sizeof(common_subtypes));
00532
00533 for (u = v; u != NULL; u = u->Next()) {
00534 if (v->type == VEH_TRAIN) user_def_data |= u->u.rail.user_def_data;
00535
00536
00537 if (u->cargo_cap == 0) continue;
00538
00539 cargo_classes |= GetCargo(u->cargo_type)->classes;
00540 common_cargos[u->cargo_type]++;
00541 }
00542
00543
00544 for (CargoID cargo = 0; cargo < NUM_CARGO; cargo++) {
00545 if (common_cargos[cargo] > common_cargo_best) {
00546 common_cargo_best = common_cargos[cargo];
00547 common_cargo_type = cargo;
00548 }
00549 }
00550
00551
00552 for (u = v; u != NULL; u = u->Next()) {
00553
00554 if (u->cargo_cap == 0 || u->cargo_type != common_cargo_type) continue;
00555
00556 common_subtypes[u->cargo_subtype]++;
00557 }
00558
00559
00560 for (uint i = 0; i < lengthof(common_subtypes); i++) {
00561 if (common_subtypes[i] > common_subtype_best) {
00562 common_subtype_best = common_subtypes[i];
00563 common_subtype = i;
00564 }
00565 }
00566
00567 uint8 common_bitnum = (common_cargo_type == CT_INVALID ? 0xFF : GetCargo(common_cargo_type)->bitnum);
00568 v->cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
00569 SetBit(v->cache_valid, 2);
00570 }
00571 return v->cached_var42;
00572
00573 case 0x43:
00574 if (!HasBit(v->cache_valid, 3)) {
00575 v->cached_var43 = v->owner | (GetCompany(v->owner)->is_ai ? 0x10000 : 0) | (LiveryHelper(v->engine_type, v) << 24);
00576 SetBit(v->cache_valid, 3);
00577 }
00578 return v->cached_var43;
00579
00580 case 0x44:
00581 if (v->type != VEH_AIRCRAFT) return UINT_MAX;
00582
00583 {
00584 const Vehicle *w = v->Next();
00585 uint16 altitude = v->z_pos - w->z_pos;
00586 byte airporttype = ATP_TTDP_LARGE;
00587
00588 const Station *st = GetTargetAirportIfValid(v);
00589
00590 if (st != NULL) {
00591 switch (st->airport_type) {
00592
00593
00594 case AT_HELIDEPOT:
00595 case AT_HELISTATION:
00596 case AT_COMMUTER:
00597 case AT_SMALL: airporttype = ATP_TTDP_SMALL; break;
00598 case AT_METROPOLITAN:
00599 case AT_INTERNATIONAL:
00600 case AT_INTERCON:
00601 case AT_LARGE: airporttype = ATP_TTDP_LARGE; break;
00602 case AT_HELIPORT: airporttype = ATP_TTDP_HELIPORT; break;
00603 case AT_OILRIG: airporttype = ATP_TTDP_OILRIG; break;
00604 default: airporttype = ATP_TTDP_LARGE; break;
00605 }
00606 }
00607
00608 return (altitude << 8) | airporttype;
00609 }
00610
00611 case 0x45: {
00612
00613
00614
00615
00616
00617 if (v->type != VEH_TRAIN && v->type != VEH_ROAD) return 0;
00618
00619 const Vehicle *u_p = v->Previous();
00620 const Vehicle *u_n = v->Next();
00621 DirDiff f = (u_p == NULL) ? DIRDIFF_SAME : DirDifference(u_p->direction, v->direction);
00622 DirDiff b = (u_n == NULL) ? DIRDIFF_SAME : DirDifference(v->direction, u_n->direction);
00623 DirDiff t = ChangeDirDiff(f, b);
00624
00625 return ((t > DIRDIFF_REVERSE ? t | 8 : t) << 16) |
00626 ((b > DIRDIFF_REVERSE ? b | 8 : b) << 8) |
00627 ( f > DIRDIFF_REVERSE ? f | 8 : f);
00628 }
00629
00630 case 0x46:
00631 return v->motion_counter;
00632
00633 case 0x47: {
00634
00635
00636
00637
00638
00639
00640 const CargoSpec *cs = GetCargo(v->cargo_type);
00641
00642 return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(v->engine_type)->cargo_map[v->cargo_type];
00643 }
00644
00645 case 0x48: return GetEngine(v->engine_type)->flags;
00646 case 0x49: return v->build_year;
00647
00648
00649 case 0x60:
00650
00651 if (v->type != VEH_TRAIN) return GetEngine(v->engine_type)->internal_id == parameter;
00652
00653 {
00654 uint count = 0;
00655 for (; v != NULL; v = v->Next()) {
00656 if (GetEngine(v->engine_type)->internal_id == parameter) count++;
00657 }
00658 return count;
00659 }
00660
00661 case 0xFE:
00662 case 0xFF: {
00663 uint16 modflags = 0;
00664
00665 if (v->type == VEH_TRAIN) {
00666 const Vehicle *u = IsTrainWagon(v) && HasBit(v->vehicle_flags, VRF_POWEREDWAGON) ? v->First() : v;
00667 RailType railtype = GetRailType(v->tile);
00668 bool powered = IsTrainEngine(v) || (IsTrainWagon(v) && HasBit(v->vehicle_flags, VRF_POWEREDWAGON));
00669 bool has_power = powered && HasPowerOnRail(u->u.rail.railtype, railtype);
00670 bool is_electric = powered && u->u.rail.railtype == RAILTYPE_ELECTRIC;
00671
00672 if (has_power) SetBit(modflags, 5);
00673 if (is_electric && !has_power) SetBit(modflags, 6);
00674 if (HasBit(v->u.rail.flags, VRF_TOGGLE_REVERSE)) SetBit(modflags, 8);
00675 }
00676 if (HasBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE)) SetBit(modflags, 10);
00677
00678 return variable == 0xFE ? modflags : GB(modflags, 8, 8);
00679 }
00680 }
00681
00682
00683 switch (variable - 0x80) {
00684 case 0x00: return v->type;
00685 case 0x01: return MapOldSubType(v);
00686 case 0x04: return v->index;
00687 case 0x05: return GB(v->index, 8, 8);
00688 case 0x0A: return v->current_order.Pack();
00689 case 0x0B: return GB(v->current_order.Pack(), 8, 8);
00690 case 0x0C: return v->GetNumOrders();
00691 case 0x0D: return v->cur_order_index;
00692 case 0x10: return v->load_unload_time_rem;
00693 case 0x11: return GB(v->load_unload_time_rem, 8, 8);
00694 case 0x12: return max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0);
00695 case 0x13: return GB(max(v->date_of_last_service - DAYS_TILL_ORIGINAL_BASE_YEAR, 0), 8, 8);
00696 case 0x14: return v->service_interval;
00697 case 0x15: return GB(v->service_interval, 8, 8);
00698 case 0x16: return v->last_station_visited;
00699 case 0x17: return v->tick_counter;
00700 case 0x18: return v->max_speed;
00701 case 0x19: return GB(v->max_speed, 8, 8);
00702 case 0x1A: return v->x_pos;
00703 case 0x1B: return GB(v->x_pos, 8, 8);
00704 case 0x1C: return v->y_pos;
00705 case 0x1D: return GB(v->y_pos, 8, 8);
00706 case 0x1E: return v->z_pos;
00707 case 0x1F: return object->info_view ? DIR_W : v->direction;
00708 case 0x28: return v->cur_image;
00709 case 0x29: return GB(v->cur_image, 8, 8);
00710 case 0x32: return v->vehstatus;
00711 case 0x33: return 0;
00712 case 0x34: return v->cur_speed;
00713 case 0x35: return GB(v->cur_speed, 8, 8);
00714 case 0x36: return v->subspeed;
00715 case 0x37: return v->acceleration;
00716 case 0x39: return v->cargo_type;
00717 case 0x3A: return v->cargo_cap;
00718 case 0x3B: return GB(v->cargo_cap, 8, 8);
00719 case 0x3C: return v->cargo.Count();
00720 case 0x3D: return GB(v->cargo.Count(), 8, 8);
00721 case 0x3E: return v->cargo.Source();
00722 case 0x3F: return v->cargo.DaysInTransit();
00723 case 0x40: return v->age;
00724 case 0x41: return GB(v->age, 8, 8);
00725 case 0x42: return v->max_age;
00726 case 0x43: return GB(v->max_age, 8, 8);
00727 case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
00728 case 0x45: return v->unitnumber;
00729 case 0x46: return GetEngine(v->engine_type)->internal_id;
00730 case 0x47: return GB(GetEngine(v->engine_type)->internal_id, 8, 8);
00731 case 0x48:
00732 if (v->type != VEH_TRAIN || v->spritenum != 0xFD) return v->spritenum;
00733 return HasBit(v->u.rail.flags, VRF_REVERSE_DIRECTION) ? 0xFE : 0xFD;
00734
00735 case 0x49: return v->day_counter;
00736 case 0x4A: return v->breakdowns_since_last_service;
00737 case 0x4B: return v->breakdown_ctr;
00738 case 0x4C: return v->breakdown_delay;
00739 case 0x4D: return v->breakdown_chance;
00740 case 0x4E: return v->reliability;
00741 case 0x4F: return GB(v->reliability, 8, 8);
00742 case 0x50: return v->reliability_spd_dec;
00743 case 0x51: return GB(v->reliability_spd_dec, 8, 8);
00744 case 0x52: return ClampToI32(v->GetDisplayProfitThisYear());
00745 case 0x53: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 8, 24);
00746 case 0x54: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 16, 16);
00747 case 0x55: return GB(ClampToI32(v->GetDisplayProfitThisYear()), 24, 8);
00748 case 0x56: return ClampToI32(v->GetDisplayProfitLastYear());
00749 case 0x57: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 8, 24);
00750 case 0x58: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 16, 16);
00751 case 0x59: return GB(ClampToI32(v->GetDisplayProfitLastYear()), 24, 8);
00752 case 0x5A: return v->Next() == NULL ? INVALID_VEHICLE : v->Next()->index;
00753 case 0x5C: return ClampToI32(v->value);
00754 case 0x5D: return GB(ClampToI32(v->value), 8, 24);
00755 case 0x5E: return GB(ClampToI32(v->value), 16, 16);
00756 case 0x5F: return GB(ClampToI32(v->value), 24, 8);
00757 case 0x72: return v->cargo_subtype;
00758 case 0x7A: return v->random_bits;
00759 case 0x7B: return v->waiting_triggers;
00760 }
00761
00762
00763 switch (v->type) {
00764 case VEH_TRAIN:
00765 switch (variable - 0x80) {
00766 case 0x62: return v->u.rail.track;
00767 case 0x66: return v->u.rail.railtype;
00768 case 0x73: return v->u.rail.cached_veh_length;
00769 case 0x74: return v->u.rail.cached_power;
00770 case 0x75: return GB(v->u.rail.cached_power, 8, 24);
00771 case 0x76: return GB(v->u.rail.cached_power, 16, 16);
00772 case 0x77: return GB(v->u.rail.cached_power, 24, 8);
00773 case 0x7C: return v->First()->index;
00774 case 0x7D: return GB(v->First()->index, 8, 8);
00775 case 0x7F: return 0;
00776 }
00777 break;
00778
00779 case VEH_ROAD:
00780 switch (variable - 0x80) {
00781 case 0x62: return v->u.road.state;
00782 case 0x64: return v->u.road.blocked_ctr;
00783 case 0x65: return GB(v->u.road.blocked_ctr, 8, 8);
00784 case 0x66: return v->u.road.overtaking;
00785 case 0x67: return v->u.road.overtaking_ctr;
00786 case 0x68: return v->u.road.crashed_ctr;
00787 case 0x69: return GB(v->u.road.crashed_ctr, 8, 8);
00788 }
00789 break;
00790
00791 case VEH_AIRCRAFT:
00792 switch (variable - 0x80) {
00793 case 0x62: return MapAircraftMovementState(v);
00794 case 0x63: return v->u.air.targetairport;
00795 case 0x66: return MapAircraftMovementAction(v);
00796 }
00797 break;
00798
00799 default: break;
00800 }
00801
00802 DEBUG(grf, 1, "Unhandled vehicle property 0x%X, type 0x%X", variable, v->type);
00803
00804 *available = false;
00805 return UINT_MAX;
00806 }
00807
00808
00809 static const SpriteGroup *VehicleResolveReal(const ResolverObject *object, const SpriteGroup *group)
00810 {
00811 const Vehicle *v = object->u.vehicle.self;
00812
00813 if (v == NULL) {
00814 if (group->g.real.num_loading > 0) return group->g.real.loading[0];
00815 if (group->g.real.num_loaded > 0) return group->g.real.loaded[0];
00816 return NULL;
00817 }
00818
00819 bool in_motion = !v->First()->current_order.IsType(OT_LOADING);
00820
00821 uint totalsets = in_motion ? group->g.real.num_loaded : group->g.real.num_loading;
00822
00823 uint set = (v->cargo.Count() * totalsets) / max((uint16)1, v->cargo_cap);
00824 set = min(set, totalsets - 1);
00825
00826 return in_motion ? group->g.real.loaded[set] : group->g.real.loading[set];
00827 }
00828
00829
00830 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
00831 {
00832 res->GetRandomBits = &VehicleGetRandomBits;
00833 res->GetTriggers = &VehicleGetTriggers;
00834 res->SetTriggers = &VehicleSetTriggers;
00835 res->GetVariable = &VehicleGetVariable;
00836 res->ResolveReal = &VehicleResolveReal;
00837
00838 res->u.vehicle.self = v;
00839 res->u.vehicle.parent = (v != NULL) ? v->First() : v;
00840
00841 res->u.vehicle.self_type = engine_type;
00842
00843 res->info_view = false;
00844
00845 res->callback = CBID_NO_CALLBACK;
00846 res->callback_param1 = 0;
00847 res->callback_param2 = 0;
00848 res->last_value = 0;
00849 res->trigger = 0;
00850 res->reseed = 0;
00851 res->count = 0;
00852
00853 const Engine *e = GetEngine(engine_type);
00854 res->grffile = (e != NULL ? e->grffile : NULL);
00855 }
00856
00857
00866 static const SpriteGroup *GetVehicleSpriteGroup(EngineID engine, const Vehicle *v, bool use_cache = true)
00867 {
00868 const SpriteGroup *group;
00869 CargoID cargo;
00870
00871 if (v == NULL) {
00872 cargo = CT_PURCHASE;
00873 } else {
00874 cargo = v->cargo_type;
00875
00876 if (v->type == VEH_TRAIN) {
00877
00878
00879
00880 group = use_cache ? v->u.rail.cached_override : GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.rail.first_engine);
00881 if (group != NULL) return group;
00882 } else if (v->type == VEH_ROAD) {
00883 group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, v->u.road.first_engine);
00884 if (group != NULL) return group;
00885 }
00886 }
00887
00888 const Engine *e = GetEngine(engine);
00889
00890 assert(cargo < lengthof(e->group));
00891 group = e->group[cargo];
00892 if (group != NULL) return group;
00893
00894
00895 return e->group[CT_DEFAULT];
00896 }
00897
00898
00899 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction)
00900 {
00901 const SpriteGroup *group;
00902 ResolverObject object;
00903
00904 NewVehicleResolver(&object, engine, v);
00905
00906 group = Resolve(GetVehicleSpriteGroup(engine, v), &object);
00907 if (group == NULL || group->type != SGT_RESULT || group->g.result.num_sprites == 0) return 0;
00908
00909 return group->g.result.sprite + (direction % group->g.result.num_sprites);
00910 }
00911
00912
00913 SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle *v, bool info_view)
00914 {
00915 const Engine *e = GetEngine(engine);
00916
00917
00918 assert(e->type == VEH_AIRCRAFT);
00919 assert(!(e->u.air.subtype & AIR_CTOL));
00920
00921 ResolverObject object;
00922
00923 NewVehicleResolver(&object, engine, v);
00924
00925 object.info_view = info_view;
00926
00927 const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
00928 group = Resolve(group, &object);
00929
00930 if (group == NULL || group->type != SGT_RESULT || group->g.result.num_sprites == 0) return 0;
00931
00932 if (v == NULL) return group->g.result.sprite;
00933
00934 return group->g.result.sprite + (info_view ? 0 : (v->Next()->Next()->u.air.state % group->g.result.num_sprites));
00935 }
00936
00937
00943 bool UsesWagonOverride(const Vehicle *v)
00944 {
00945 assert(v->type == VEH_TRAIN);
00946 return v->u.rail.cached_override != NULL;
00947 }
00948
00958 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)
00959 {
00960 const SpriteGroup *group;
00961 ResolverObject object;
00962
00963 NewVehicleResolver(&object, engine, v);
00964
00965 object.callback = callback;
00966 object.callback_param1 = param1;
00967 object.callback_param2 = param2;
00968
00969 group = Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
00970 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
00971
00972 return group->g.callback.result;
00973 }
00974
00985 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent)
00986 {
00987 const SpriteGroup *group;
00988 ResolverObject object;
00989
00990 NewVehicleResolver(&object, engine, v);
00991
00992 object.callback = callback;
00993 object.callback_param1 = param1;
00994 object.callback_param2 = param2;
00995
00996 object.u.vehicle.parent = parent;
00997
00998 group = Resolve(GetVehicleSpriteGroup(engine, v, false), &object);
00999 if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
01000
01001 return group->g.callback.result;
01002 }
01003
01004
01005
01006 uint GetVehicleProperty(const Vehicle *v, uint8 property, uint orig_value)
01007 {
01008 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, v->engine_type, v);
01009 if (callback != CALLBACK_FAILED) return callback;
01010
01011 return orig_value;
01012 }
01013
01014
01015 uint GetEngineProperty(EngineID engine, uint8 property, uint orig_value)
01016 {
01017 uint16 callback = GetVehicleCallback(CBID_VEHICLE_MODIFY_PROPERTY, property, 0, engine, NULL);
01018 if (callback != CALLBACK_FAILED) return callback;
01019
01020 return orig_value;
01021 }
01022
01023
01024 static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_random_bits, bool first)
01025 {
01026 const SpriteGroup *group;
01027 ResolverObject object;
01028 byte new_random_bits;
01029
01030
01031 assert(v != NULL);
01032
01033 NewVehicleResolver(&object, v->engine_type, v);
01034 object.callback = CBID_RANDOM_TRIGGER;
01035 object.trigger = trigger;
01036
01037 group = Resolve(GetVehicleSpriteGroup(v->engine_type, v), &object);
01038 if (group == NULL) return;
01039
01040 new_random_bits = Random();
01041 v->random_bits &= ~object.reseed;
01042 v->random_bits |= (first ? new_random_bits : base_random_bits) & object.reseed;
01043
01044 switch (trigger) {
01045 case VEHICLE_TRIGGER_NEW_CARGO:
01046
01047
01048
01049
01050
01051
01052
01053 assert(first);
01054 DoTriggerVehicle(v->First(), VEHICLE_TRIGGER_ANY_NEW_CARGO, new_random_bits, false);
01055 break;
01056
01057 case VEHICLE_TRIGGER_DEPOT:
01058
01059
01060
01061 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, 0, true);
01062 break;
01063
01064 case VEHICLE_TRIGGER_EMPTY:
01065
01066
01067
01068
01069 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), trigger, first ? new_random_bits : base_random_bits, false);
01070 break;
01071
01072 case VEHICLE_TRIGGER_ANY_NEW_CARGO:
01073
01074
01075 assert(!first);
01076 if (v->Next() != NULL) DoTriggerVehicle(v->Next(), VEHICLE_TRIGGER_ANY_NEW_CARGO, base_random_bits, false);
01077 break;
01078
01079 case VEHICLE_TRIGGER_CALLBACK_32:
01080
01081 break;
01082 }
01083 }
01084
01085 void TriggerVehicle(Vehicle *v, VehicleTrigger trigger)
01086 {
01087 if (trigger == VEHICLE_TRIGGER_DEPOT) {
01088
01089 VehicleEnteredDepotThisTick(v);
01090 }
01091
01092 DoTriggerVehicle(v, trigger, 0, true);
01093 }
01094
01095
01096
01097
01104 uint ListPositionOfEngine(EngineID engine)
01105 {
01106 const Engine *e = GetEngine(engine);
01107 if (e->grffile == NULL) return e->list_position;
01108
01109
01110 return (e->grffile->grfid * 256) + e->list_position;
01111 }
01112
01113 struct ListOrderChange {
01114 EngineID engine;
01115 EngineID target;
01116 };
01117
01118 static SmallVector<ListOrderChange, 16> _list_order_changes;
01119
01120 void AlterVehicleListOrder(EngineID engine, EngineID target)
01121 {
01122
01123 ListOrderChange *loc = _list_order_changes.Append();
01124 loc->engine = engine;
01125 loc->target = target;
01126 }
01127
01128 void CommitVehicleListOrderChanges()
01129 {
01130
01131 typedef SmallMap<uint16, Engine *, 16> ListPositionMap;
01132 ListPositionMap lptr_map;
01133
01134 const ListOrderChange *end = _list_order_changes.End();
01135 for (const ListOrderChange *it = _list_order_changes.Begin(); it != end; ++it) {
01136 EngineID engine = it->engine;
01137 EngineID target = it->target;
01138
01139 if (engine == target) continue;
01140
01141 Engine *source_e = GetEngine(engine);
01142 Engine *target_e = NULL;
01143
01144
01145 Engine *e;
01146 FOR_ALL_ENGINES_OF_TYPE(e, source_e->type) {
01147 if (!_settings_game.vehicle.dynamic_engines || e->grffile == source_e->grffile) {
01148 if (e->internal_id == target) target_e = e;
01149 lptr_map[e->list_position] = e;
01150 }
01151 }
01152
01153
01154 lptr_map.SortByKey();
01155
01156
01157 if (target_e != NULL) {
01158 uint16 target_position = target_e->list_position;
01159
01160 bool moving = false;
01161 const ListPositionMap::Pair *end = lptr_map.End();
01162 for (ListPositionMap::Pair *it = lptr_map.Begin(); it != end; ++it) {
01163 if (it->first == target_position) moving = true;
01164 if (moving) it->second->list_position++;
01165 }
01166
01167 source_e->list_position = target_position;
01168 }
01169
01170 lptr_map.Clear();
01171 }
01172
01173
01174 _list_order_changes.Reset();
01175 }