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00012 #include "stdafx.h"
00013 #include "company_func.h"
00014 #include "train.h"
00015 #include "command_func.h"
00016 #include "engine_func.h"
00017 #include "vehicle_func.h"
00018 #include "autoreplace_func.h"
00019 #include "autoreplace_gui.h"
00020 #include "group.h"
00021 #include "articulated_vehicles.h"
00022 #include "core/random_func.hpp"
00023
00024 #include "table/strings.h"
00025
00026 extern void ChangeVehicleViewports(VehicleID from_index, VehicleID to_index);
00027 extern void ChangeVehicleNews(VehicleID from_index, VehicleID to_index);
00028 extern void ChangeVehicleViewWindow(VehicleID from_index, VehicleID to_index);
00029
00037 static bool EnginesHaveCargoInCommon(EngineID engine_a, EngineID engine_b)
00038 {
00039 uint32 available_cargoes_a = GetUnionOfArticulatedRefitMasks(engine_a, true);
00040 uint32 available_cargoes_b = GetUnionOfArticulatedRefitMasks(engine_b, true);
00041 return (available_cargoes_a == 0 || available_cargoes_b == 0 || (available_cargoes_a & available_cargoes_b) != 0);
00042 }
00043
00051 bool CheckAutoreplaceValidity(EngineID from, EngineID to, CompanyID company)
00052 {
00053 assert(Engine::IsValidID(from) && Engine::IsValidID(to));
00054
00055
00056 if (from == to) return false;
00057
00058 const Engine *e_from = Engine::Get(from);
00059 const Engine *e_to = Engine::Get(to);
00060 VehicleType type = e_from->type;
00061
00062
00063 if (!IsEngineBuildable(to, type, company)) return false;
00064
00065 switch (type) {
00066 case VEH_TRAIN: {
00067
00068 if ((GetRailTypeInfo(e_from->u.rail.railtype)->compatible_railtypes & GetRailTypeInfo(e_to->u.rail.railtype)->compatible_railtypes) == 0) return false;
00069
00070
00071 if ((e_from->u.rail.railveh_type == RAILVEH_WAGON) != (e_to->u.rail.railveh_type == RAILVEH_WAGON)) return false;
00072 break;
00073 }
00074
00075 case VEH_ROAD:
00076
00077 if (HasBit(e_from->info.misc_flags, EF_ROAD_TRAM) != HasBit(e_to->info.misc_flags, EF_ROAD_TRAM)) return false;
00078 break;
00079
00080 case VEH_AIRCRAFT:
00081
00082 if ((e_from->u.air.subtype & AIR_CTOL) != (e_to->u.air.subtype & AIR_CTOL)) return false;
00083 break;
00084
00085 default: break;
00086 }
00087
00088
00089 return EnginesHaveCargoInCommon(from, to);
00090 }
00091
00096 void CheckCargoCapacity(Vehicle *v)
00097 {
00098 assert(v == NULL || v->First() == v);
00099
00100 for (Vehicle *src = v; src != NULL; src = src->Next()) {
00101
00102 if (src->cargo.Count() <= src->cargo_cap) continue;
00103
00104
00105 uint to_spread = src->cargo.Count() - src->cargo_cap;
00106 for (Vehicle *dest = v; dest != NULL && to_spread != 0; dest = dest->Next()) {
00107 if (dest->cargo.Count() >= dest->cargo_cap || dest->cargo_type != src->cargo_type) continue;
00108
00109 uint amount = min(to_spread, dest->cargo_cap - dest->cargo.Count());
00110 src->cargo.MoveTo(&dest->cargo, amount);
00111 to_spread -= amount;
00112 }
00113
00114
00115 src->cargo.Truncate(src->cargo_cap);
00116 }
00117 }
00118
00125 static void TransferCargo(Vehicle *old_veh, Vehicle *new_head, bool part_of_chain)
00126 {
00127 assert(!part_of_chain || new_head->IsPrimaryVehicle());
00128
00129 for (Vehicle *src = old_veh; src != NULL; src = src->Next()) {
00130 if (!part_of_chain && src->type == VEH_TRAIN && src != old_veh && src != Train::From(old_veh)->other_multiheaded_part && !src->IsArticulatedPart()) {
00131
00132 src = src->GetLastEnginePart();
00133 continue;
00134 }
00135 if (src->cargo_type >= NUM_CARGO || src->cargo.Count() == 0) continue;
00136
00137
00138 for (Vehicle *dest = new_head; dest != NULL && src->cargo.Count() > 0; dest = dest->Next()) {
00139 if (!part_of_chain && dest->type == VEH_TRAIN && dest != new_head && dest != Train::From(new_head)->other_multiheaded_part && !dest->IsArticulatedPart()) {
00140
00141 dest = dest->GetLastEnginePart();
00142 continue;
00143 }
00144 if (dest->cargo_type != src->cargo_type) continue;
00145
00146 uint amount = min(src->cargo.Count(), dest->cargo_cap - dest->cargo.Count());
00147 if (amount <= 0) continue;
00148
00149 src->cargo.MoveTo(&dest->cargo, amount);
00150 }
00151 }
00152
00153
00154 if (part_of_chain && new_head->type == VEH_TRAIN) Train::From(new_head)->ConsistChanged(true);
00155 }
00156
00163 static bool VerifyAutoreplaceRefitForOrders(const Vehicle *v, EngineID engine_type)
00164 {
00165
00166 uint32 union_refit_mask_a = GetUnionOfArticulatedRefitMasks(v->engine_type, false);
00167 uint32 union_refit_mask_b = GetUnionOfArticulatedRefitMasks(engine_type, false);
00168
00169 const Order *o;
00170 const Vehicle *u = (v->type == VEH_TRAIN) ? v->First() : v;
00171 FOR_VEHICLE_ORDERS(u, o) {
00172 if (!o->IsRefit() || o->IsAutoRefit()) continue;
00173 CargoID cargo_type = o->GetRefitCargo();
00174
00175 if (!HasBit(union_refit_mask_a, cargo_type)) continue;
00176 if (!HasBit(union_refit_mask_b, cargo_type)) return false;
00177 }
00178
00179 return true;
00180 }
00181
00191 static CargoID GetNewCargoTypeForReplace(Vehicle *v, EngineID engine_type, bool part_of_chain)
00192 {
00193 uint32 available_cargo_types, union_mask;
00194 GetArticulatedRefitMasks(engine_type, true, &union_mask, &available_cargo_types);
00195
00196 if (union_mask == 0) return CT_NO_REFIT;
00197
00198 CargoID cargo_type;
00199 if (IsArticulatedVehicleCarryingDifferentCargoes(v, &cargo_type)) return CT_INVALID;
00200
00201 if (cargo_type == CT_INVALID) {
00202 if (v->type != VEH_TRAIN) return CT_NO_REFIT;
00203
00204 if (!part_of_chain) return CT_NO_REFIT;
00205
00206
00207
00208
00209 for (v = v->First(); v != NULL; v = v->Next()) {
00210 if (v->cargo_cap == 0) continue;
00211
00212 if (HasBit(available_cargo_types, v->cargo_type)) return v->cargo_type;
00213 }
00214
00215 return CT_NO_REFIT;
00216 } else {
00217 if (!HasBit(available_cargo_types, cargo_type)) return CT_INVALID;
00218
00219 if (part_of_chain && !VerifyAutoreplaceRefitForOrders(v, engine_type)) return CT_INVALID;
00220
00221 return cargo_type;
00222 }
00223 }
00224
00232 static CommandCost GetNewEngineType(const Vehicle *v, const Company *c, EngineID &e)
00233 {
00234 assert(v->type != VEH_TRAIN || !v->IsArticulatedPart());
00235
00236 e = INVALID_ENGINE;
00237
00238 if (v->type == VEH_TRAIN && Train::From(v)->IsRearDualheaded()) {
00239
00240 return CommandCost();
00241 }
00242
00243 e = EngineReplacementForCompany(c, v->engine_type, v->group_id);
00244
00245
00246 if (e != INVALID_ENGINE && IsEngineBuildable(e, v->type, _current_company)) {
00247 return CommandCost();
00248 }
00249
00250
00251 if (v->NeedsAutorenewing(c)) e = v->engine_type;
00252
00253
00254 if (e == INVALID_ENGINE || IsEngineBuildable(e, v->type, _current_company)) return CommandCost();
00255
00256
00257 return CommandCost(STR_ERROR_RAIL_VEHICLE_NOT_AVAILABLE + v->type);
00258 }
00259
00268 static CommandCost BuildReplacementVehicle(Vehicle *old_veh, Vehicle **new_vehicle, bool part_of_chain)
00269 {
00270 *new_vehicle = NULL;
00271
00272
00273 const Company *c = Company::Get(_current_company);
00274 EngineID e;
00275 CommandCost cost = GetNewEngineType(old_veh, c, e);
00276 if (cost.Failed()) return cost;
00277 if (e == INVALID_ENGINE) return CommandCost();
00278
00279
00280 CargoID refit_cargo = GetNewCargoTypeForReplace(old_veh, e, part_of_chain);
00281 if (refit_cargo == CT_INVALID) return CommandCost();
00282
00283
00284 cost = DoCommand(old_veh->tile, e, 0, DC_EXEC | DC_AUTOREPLACE, GetCmdBuildVeh(old_veh));
00285 if (cost.Failed()) return cost;
00286
00287 Vehicle *new_veh = Vehicle::Get(_new_vehicle_id);
00288 *new_vehicle = new_veh;
00289
00290
00291 if (refit_cargo != CT_NO_REFIT) {
00292 byte subtype = GetBestFittingSubType(old_veh, new_veh, refit_cargo);
00293
00294 cost.AddCost(DoCommand(0, new_veh->index, refit_cargo | (subtype << 8), DC_EXEC, GetCmdRefitVeh(new_veh)));
00295 assert(cost.Succeeded());
00296 }
00297
00298
00299 if (new_veh->type == VEH_TRAIN && HasBit(Train::From(old_veh)->flags, VRF_REVERSE_DIRECTION)) {
00300 DoCommand(0, new_veh->index, true, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION);
00301 }
00302
00303 return cost;
00304 }
00305
00312 static inline CommandCost CmdStartStopVehicle(const Vehicle *v, bool evaluate_callback)
00313 {
00314 return DoCommand(0, v->index, evaluate_callback ? 1 : 0, DC_EXEC | DC_AUTOREPLACE, CMD_START_STOP_VEHICLE);
00315 }
00316
00325 static inline CommandCost CmdMoveVehicle(const Vehicle *v, const Vehicle *after, DoCommandFlag flags, bool whole_chain)
00326 {
00327 return DoCommand(0, v->index | (whole_chain ? 1 : 0) << 20, after != NULL ? after->index : INVALID_VEHICLE, flags | DC_NO_CARGO_CAP_CHECK, CMD_MOVE_RAIL_VEHICLE);
00328 }
00329
00336 static CommandCost CopyHeadSpecificThings(Vehicle *old_head, Vehicle *new_head, DoCommandFlag flags)
00337 {
00338 CommandCost cost = CommandCost();
00339
00340
00341 if (cost.Succeeded() && old_head != new_head) cost.AddCost(DoCommand(0, new_head->index | CO_SHARE << 30, old_head->index, DC_EXEC, CMD_CLONE_ORDER));
00342
00343
00344 if (cost.Succeeded() && old_head != new_head) cost.AddCost(DoCommand(0, old_head->group_id, new_head->index, DC_EXEC, CMD_ADD_VEHICLE_GROUP));
00345
00346
00347 if (cost.Succeeded()) {
00348
00349 assert((new_head->vehstatus & VS_STOPPED) != 0);
00350 cost.AddCost(CmdStartStopVehicle(new_head, true));
00351
00352
00353 if (cost.Succeeded()) cost.AddCost(CmdStartStopVehicle(new_head, false));
00354 }
00355
00356
00357 if (cost.Succeeded() && old_head != new_head && (flags & DC_EXEC) != 0) {
00358
00359 if (old_head->name != NULL) {
00360 DoCommand(0, new_head->index, 0, DC_EXEC | DC_AUTOREPLACE, CMD_RENAME_VEHICLE, old_head->name);
00361 }
00362
00363
00364 new_head->CopyVehicleConfigAndStatistics(old_head);
00365
00366
00367 ChangeVehicleViewports(old_head->index, new_head->index);
00368 ChangeVehicleViewWindow(old_head->index, new_head->index);
00369 ChangeVehicleNews(old_head->index, new_head->index);
00370 }
00371
00372 return cost;
00373 }
00374
00382 static CommandCost ReplaceFreeUnit(Vehicle **single_unit, DoCommandFlag flags, bool *nothing_to_do)
00383 {
00384 Train *old_v = Train::From(*single_unit);
00385 assert(!old_v->IsArticulatedPart() && !old_v->IsRearDualheaded());
00386
00387 CommandCost cost = CommandCost(EXPENSES_NEW_VEHICLES, 0);
00388
00389
00390 Vehicle *new_v = NULL;
00391 cost.AddCost(BuildReplacementVehicle(old_v, &new_v, false));
00392
00393
00394 if (cost.Succeeded() && new_v != NULL) {
00395 *nothing_to_do = false;
00396
00397 if ((flags & DC_EXEC) != 0) {
00398
00399 CmdMoveVehicle(new_v, old_v, DC_EXEC, false);
00400
00401
00402
00403
00404
00405
00406
00407 TransferCargo(old_v, new_v, false);
00408
00409 *single_unit = new_v;
00410 }
00411
00412
00413 cost.AddCost(DoCommand(0, old_v->index, 0, flags, GetCmdSellVeh(old_v)));
00414
00415
00416 if ((flags & DC_EXEC) == 0) {
00417 DoCommand(0, new_v->index, 0, DC_EXEC, GetCmdSellVeh(new_v));
00418 }
00419 }
00420
00421 return cost;
00422 }
00423
00432 static CommandCost ReplaceChain(Vehicle **chain, DoCommandFlag flags, bool wagon_removal, bool *nothing_to_do)
00433 {
00434 Vehicle *old_head = *chain;
00435 assert(old_head->IsPrimaryVehicle());
00436
00437 CommandCost cost = CommandCost(EXPENSES_NEW_VEHICLES, 0);
00438
00439 if (old_head->type == VEH_TRAIN) {
00440
00441 uint16 old_total_length = CeilDiv(Train::From(old_head)->gcache.cached_total_length, TILE_SIZE) * TILE_SIZE;
00442
00443 int num_units = 0;
00444 for (Train *w = Train::From(old_head); w != NULL; w = w->GetNextUnit()) num_units++;
00445
00446 Train **old_vehs = CallocT<Train *>(num_units);
00447 Train **new_vehs = CallocT<Train *>(num_units);
00448 Money *new_costs = MallocT<Money>(num_units);
00449
00450
00451
00452 int i;
00453 Train *w;
00454 for (w = Train::From(old_head), i = 0; w != NULL; w = w->GetNextUnit(), i++) {
00455 assert(i < num_units);
00456 old_vehs[i] = w;
00457
00458 CommandCost ret = BuildReplacementVehicle(old_vehs[i], (Vehicle**)&new_vehs[i], true);
00459 cost.AddCost(ret);
00460 if (cost.Failed()) break;
00461
00462 new_costs[i] = ret.GetCost();
00463 if (new_vehs[i] != NULL) *nothing_to_do = false;
00464 }
00465 Train *new_head = (new_vehs[0] != NULL ? new_vehs[0] : old_vehs[0]);
00466
00467
00468 if (cost.Succeeded()) {
00469
00470 Train *second = Train::From(old_head)->GetNextUnit();
00471 if (second != NULL) cost.AddCost(CmdMoveVehicle(second, NULL, DC_EXEC | DC_AUTOREPLACE, true));
00472
00473 assert(Train::From(new_head)->GetNextUnit() == NULL);
00474
00475
00476
00477
00478
00479 Train *last_engine = NULL;
00480 if (cost.Succeeded()) {
00481 for (int i = num_units - 1; i > 0; i--) {
00482 Train *append = (new_vehs[i] != NULL ? new_vehs[i] : old_vehs[i]);
00483
00484 if (RailVehInfo(append->engine_type)->railveh_type == RAILVEH_WAGON) continue;
00485
00486 if (new_vehs[i] != NULL) {
00487
00488
00489
00490 CmdMoveVehicle(old_vehs[i], NULL, DC_EXEC | DC_AUTOREPLACE, false);
00491 }
00492
00493 if (last_engine == NULL) last_engine = append;
00494 cost.AddCost(CmdMoveVehicle(append, new_head, DC_EXEC, false));
00495 if (cost.Failed()) break;
00496 }
00497 if (last_engine == NULL) last_engine = new_head;
00498 }
00499
00500
00501 if (cost.Succeeded() && wagon_removal && new_head->gcache.cached_total_length > old_total_length) cost = CommandCost(STR_ERROR_TRAIN_TOO_LONG_AFTER_REPLACEMENT);
00502
00503
00504
00505
00506 if (cost.Succeeded()) {
00507 for (int i = num_units - 1; i > 0; i--) {
00508 assert(last_engine != NULL);
00509 Vehicle *append = (new_vehs[i] != NULL ? new_vehs[i] : old_vehs[i]);
00510
00511 if (RailVehInfo(append->engine_type)->railveh_type == RAILVEH_WAGON) {
00512
00513 CommandCost res = CmdMoveVehicle(append, last_engine, DC_EXEC, false);
00514
00515
00516
00517
00518 if (wagon_removal && (res.Failed() ? res.GetErrorMessage() == STR_ERROR_TRAIN_TOO_LONG : new_head->gcache.cached_total_length > old_total_length)) {
00519 CmdMoveVehicle(append, NULL, DC_EXEC | DC_AUTOREPLACE, false);
00520 break;
00521 }
00522
00523 cost.AddCost(res);
00524 if (cost.Failed()) break;
00525 } else {
00526
00527 assert(append == last_engine);
00528 last_engine = last_engine->GetPrevUnit();
00529 }
00530 }
00531 }
00532
00533
00534 if (cost.Succeeded() && wagon_removal) {
00535 assert(new_head->gcache.cached_total_length <= _settings_game.vehicle.max_train_length * TILE_SIZE);
00536 for (int i = 1; i < num_units; i++) {
00537 Vehicle *wagon = new_vehs[i];
00538 if (wagon == NULL) continue;
00539 if (wagon->First() == new_head) break;
00540
00541 assert(RailVehInfo(wagon->engine_type)->railveh_type == RAILVEH_WAGON);
00542
00543
00544 CommandCost ret = DoCommand(0, wagon->index, 0, DC_EXEC, GetCmdSellVeh(wagon));
00545 assert(ret.Succeeded());
00546 new_vehs[i] = NULL;
00547
00548
00549
00550 cost.AddCost(-new_costs[i]);
00551 }
00552 }
00553
00554
00555 if (cost.Succeeded()) cost.AddCost(CopyHeadSpecificThings(old_head, new_head, flags));
00556
00557 if (cost.Succeeded()) {
00558
00559 if ((flags & DC_EXEC) != 0 && new_head != old_head) {
00560 *chain = new_head;
00561 }
00562
00563
00564 for (int i = 0; i < num_units; i++) {
00565 Vehicle *w = old_vehs[i];
00566
00567
00568 if (w->First() == new_head) continue;
00569
00570 if ((flags & DC_EXEC) != 0) TransferCargo(w, new_head, true);
00571
00572
00573
00574
00575 cost.AddCost(DoCommand(0, w->index, 0, flags | DC_AUTOREPLACE, GetCmdSellVeh(w)));
00576 if ((flags & DC_EXEC) != 0) {
00577 old_vehs[i] = NULL;
00578 if (i == 0) old_head = NULL;
00579 }
00580 }
00581
00582 if ((flags & DC_EXEC) != 0) CheckCargoCapacity(new_head);
00583 }
00584
00585
00586
00587
00588 if ((flags & DC_EXEC) == 0) {
00589
00590 Train *second = Train::From(old_head)->GetNextUnit();
00591 if (second != NULL) CmdMoveVehicle(second, NULL, DC_EXEC | DC_AUTOREPLACE, true);
00592
00593 assert(Train::From(old_head)->GetNextUnit() == NULL);
00594
00595 for (int i = num_units - 1; i > 0; i--) {
00596 CommandCost ret = CmdMoveVehicle(old_vehs[i], old_head, DC_EXEC | DC_AUTOREPLACE, false);
00597 assert(ret.Succeeded());
00598 }
00599 }
00600 }
00601
00602
00603 if ((flags & DC_EXEC) == 0) {
00604 for (int i = num_units - 1; i >= 0; i--) {
00605 if (new_vehs[i] != NULL) {
00606 DoCommand(0, new_vehs[i]->index, 0, DC_EXEC, GetCmdSellVeh(new_vehs[i]));
00607 new_vehs[i] = NULL;
00608 }
00609 }
00610 }
00611
00612 free(old_vehs);
00613 free(new_vehs);
00614 free(new_costs);
00615 } else {
00616
00617 Vehicle *new_head = NULL;
00618 cost.AddCost(BuildReplacementVehicle(old_head, &new_head, true));
00619
00620
00621 if (cost.Succeeded() && new_head != NULL) {
00622 *nothing_to_do = false;
00623
00624
00625 cost.AddCost(CopyHeadSpecificThings(old_head, new_head, flags));
00626
00627 if (cost.Succeeded()) {
00628
00629 if ((flags & DC_EXEC) != 0) {
00630 TransferCargo(old_head, new_head, true);
00631 *chain = new_head;
00632 }
00633
00634
00635 cost.AddCost(DoCommand(0, old_head->index, 0, flags, GetCmdSellVeh(old_head)));
00636 }
00637
00638
00639 if ((flags & DC_EXEC) == 0) {
00640 DoCommand(0, new_head->index, 0, DC_EXEC, GetCmdSellVeh(new_head));
00641 }
00642 }
00643 }
00644
00645 return cost;
00646 }
00647
00658 CommandCost CmdAutoreplaceVehicle(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00659 {
00660 Vehicle *v = Vehicle::GetIfValid(p1);
00661 if (v == NULL) return CMD_ERROR;
00662
00663 CommandCost ret = CheckOwnership(v->owner);
00664 if (ret.Failed()) return ret;
00665
00666 if (!v->IsInDepot()) return CMD_ERROR;
00667 if (v->vehstatus & VS_CRASHED) return CMD_ERROR;
00668
00669 bool free_wagon = false;
00670 if (v->type == VEH_TRAIN) {
00671 Train *t = Train::From(v);
00672 if (t->IsArticulatedPart() || t->IsRearDualheaded()) return CMD_ERROR;
00673 free_wagon = !t->IsFrontEngine();
00674 if (free_wagon && t->First()->IsFrontEngine()) return CMD_ERROR;
00675 } else {
00676 if (!v->IsPrimaryVehicle()) return CMD_ERROR;
00677 }
00678
00679 const Company *c = Company::Get(_current_company);
00680 bool wagon_removal = c->settings.renew_keep_length;
00681
00682
00683 Vehicle *w = v;
00684 bool any_replacements = false;
00685 while (w != NULL) {
00686 EngineID e;
00687 CommandCost cost = GetNewEngineType(w, c, e);
00688 if (cost.Failed()) return cost;
00689 any_replacements |= (e != INVALID_ENGINE);
00690 w = (!free_wagon && w->type == VEH_TRAIN ? Train::From(w)->GetNextUnit() : NULL);
00691 }
00692
00693 CommandCost cost = CommandCost(EXPENSES_NEW_VEHICLES, 0);
00694 bool nothing_to_do = true;
00695
00696 if (any_replacements) {
00697 bool was_stopped = free_wagon || ((v->vehstatus & VS_STOPPED) != 0);
00698
00699
00700 if (!was_stopped) cost.AddCost(CmdStartStopVehicle(v, true));
00701 if (cost.Failed()) return cost;
00702
00703 assert(v->IsStoppedInDepot());
00704
00705
00706
00707
00708 SavedRandomSeeds saved_seeds;
00709 SaveRandomSeeds(&saved_seeds);
00710 if (free_wagon) {
00711 cost.AddCost(ReplaceFreeUnit(&v, flags & ~DC_EXEC, ¬hing_to_do));
00712 } else {
00713 cost.AddCost(ReplaceChain(&v, flags & ~DC_EXEC, wagon_removal, ¬hing_to_do));
00714 }
00715 RestoreRandomSeeds(saved_seeds);
00716
00717 if (cost.Succeeded() && (flags & DC_EXEC) != 0) {
00718 CommandCost ret;
00719 if (free_wagon) {
00720 ret = ReplaceFreeUnit(&v, flags, ¬hing_to_do);
00721 } else {
00722 ret = ReplaceChain(&v, flags, wagon_removal, ¬hing_to_do);
00723 }
00724 assert(ret.Succeeded() && ret.GetCost() == cost.GetCost());
00725 }
00726
00727
00728 if (!was_stopped) cost.AddCost(CmdStartStopVehicle(v, false));
00729 }
00730
00731 if (cost.Succeeded() && nothing_to_do) cost = CommandCost(STR_ERROR_AUTOREPLACE_NOTHING_TO_DO);
00732 return cost;
00733 }
00734
00747 CommandCost CmdSetAutoReplace(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00748 {
00749 Company *c = Company::GetIfValid(_current_company);
00750 if (c == NULL) return CMD_ERROR;
00751
00752 EngineID old_engine_type = GB(p2, 0, 16);
00753 EngineID new_engine_type = GB(p2, 16, 16);
00754 GroupID id_g = GB(p1, 16, 16);
00755 CommandCost cost;
00756
00757 if (Group::IsValidID(id_g) ? Group::Get(id_g)->owner != _current_company : !IsAllGroupID(id_g) && !IsDefaultGroupID(id_g)) return CMD_ERROR;
00758 if (!Engine::IsValidID(old_engine_type)) return CMD_ERROR;
00759
00760 if (new_engine_type != INVALID_ENGINE) {
00761 if (!Engine::IsValidID(new_engine_type)) return CMD_ERROR;
00762 if (!CheckAutoreplaceValidity(old_engine_type, new_engine_type, _current_company)) return CMD_ERROR;
00763
00764 cost = AddEngineReplacementForCompany(c, old_engine_type, new_engine_type, id_g, flags);
00765 } else {
00766 cost = RemoveEngineReplacementForCompany(c, old_engine_type, id_g, flags);
00767 }
00768
00769 if (flags & DC_EXEC) GroupStatistics::UpdateAutoreplace(_current_company);
00770 if ((flags & DC_EXEC) && IsLocalCompany()) InvalidateAutoreplaceWindow(old_engine_type, id_g);
00771
00772 return cost;
00773 }
00774