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00012 #include "stdafx.h"
00013 #include "company_func.h"
00014 #include "command_func.h"
00015 #include "industry.h"
00016 #include "town.h"
00017 #include "news_func.h"
00018 #include "network/network.h"
00019 #include "network/network_func.h"
00020 #include "vehicle_gui.h"
00021 #include "ai/ai.hpp"
00022 #include "aircraft.h"
00023 #include "newgrf_engine.h"
00024 #include "engine_base.h"
00025 #include "ground_vehicle.hpp"
00026 #include "newgrf_cargo.h"
00027 #include "newgrf_sound.h"
00028 #include "newgrf_industrytiles.h"
00029 #include "newgrf_station.h"
00030 #include "newgrf_airporttiles.h"
00031 #include "object.h"
00032 #include "group.h"
00033 #include "strings_func.h"
00034 #include "window_func.h"
00035 #include "date_func.h"
00036 #include "vehicle_func.h"
00037 #include "sound_func.h"
00038 #include "autoreplace_func.h"
00039 #include "company_gui.h"
00040 #include "signs_base.h"
00041 #include "subsidy_base.h"
00042 #include "subsidy_func.h"
00043 #include "station_base.h"
00044 #include "waypoint_base.h"
00045 #include "economy_base.h"
00046 #include "core/pool_func.hpp"
00047 #include "newgrf.h"
00048 #include "core/backup_type.hpp"
00049
00050 #include "table/strings.h"
00051 #include "table/pricebase.h"
00052
00053
00054
00055 CargoPaymentPool _cargo_payment_pool("CargoPayment");
00056 INSTANTIATE_POOL_METHODS(CargoPayment)
00057
00058
00069 static inline int32 BigMulS(const int32 a, const int32 b, const uint8 shift)
00070 {
00071 return (int32)((int64)a * (int64)b >> shift);
00072 }
00073
00074 typedef SmallVector<Industry *, 16> SmallIndustryList;
00075
00079 const ScoreInfo _score_info[] = {
00080 { 120, 100},
00081 { 80, 100},
00082 { 10000, 100},
00083 { 50000, 50},
00084 { 100000, 100},
00085 { 40000, 400},
00086 { 8, 50},
00087 {10000000, 50},
00088 { 250000, 50},
00089 { 0, 0}
00090 };
00091
00092 int _score_part[MAX_COMPANIES][SCORE_END];
00093 Economy _economy;
00094 Prices _price;
00095 Money _additional_cash_required;
00096 static PriceMultipliers _price_base_multiplier;
00097
00107 Money CalculateCompanyValue(const Company *c, bool including_loan)
00108 {
00109 Owner owner = c->index;
00110
00111 Station *st;
00112 uint num = 0;
00113
00114 FOR_ALL_STATIONS(st) {
00115 if (st->owner == owner) num += CountBits((byte)st->facilities);
00116 }
00117
00118 Money value = num * _price[PR_STATION_VALUE] * 25;
00119
00120 Vehicle *v;
00121 FOR_ALL_VEHICLES(v) {
00122 if (v->owner != owner) continue;
00123
00124 if (v->type == VEH_TRAIN ||
00125 v->type == VEH_ROAD ||
00126 (v->type == VEH_AIRCRAFT && Aircraft::From(v)->IsNormalAircraft()) ||
00127 v->type == VEH_SHIP) {
00128 value += v->value * 3 >> 1;
00129 }
00130 }
00131
00132
00133 if (including_loan) value -= c->current_loan;
00134 value += c->money;
00135
00136 return max(value, (Money)1);
00137 }
00138
00147 int UpdateCompanyRatingAndValue(Company *c, bool update)
00148 {
00149 Owner owner = c->index;
00150 int score = 0;
00151
00152 memset(_score_part[owner], 0, sizeof(_score_part[owner]));
00153
00154
00155 {
00156 Vehicle *v;
00157 Money min_profit = 0;
00158 bool min_profit_first = true;
00159 uint num = 0;
00160
00161 FOR_ALL_VEHICLES(v) {
00162 if (v->owner != owner) continue;
00163 if (IsCompanyBuildableVehicleType(v->type) && v->IsPrimaryVehicle()) {
00164 if (v->profit_last_year > 0) num++;
00165 if (v->age > 730) {
00166
00167 if (min_profit_first || min_profit > v->profit_last_year) {
00168 min_profit = v->profit_last_year;
00169 min_profit_first = false;
00170 }
00171 }
00172 }
00173 }
00174
00175 min_profit >>= 8;
00176
00177 _score_part[owner][SCORE_VEHICLES] = num;
00178
00179 if (min_profit > 0) {
00180 _score_part[owner][SCORE_MIN_PROFIT] = ClampToI32(min_profit);
00181 }
00182 }
00183
00184
00185 {
00186 uint num = 0;
00187 const Station *st;
00188
00189 FOR_ALL_STATIONS(st) {
00190
00191 if (st->owner == owner && (st->time_since_load <= 20 || st->time_since_unload <= 20)) num += CountBits((byte)st->facilities);
00192 }
00193 _score_part[owner][SCORE_STATIONS] = num;
00194 }
00195
00196
00197 {
00198 int numec = min(c->num_valid_stat_ent, 12);
00199 if (numec != 0) {
00200 const CompanyEconomyEntry *cee = c->old_economy;
00201 Money min_income = cee->income + cee->expenses;
00202 Money max_income = cee->income + cee->expenses;
00203
00204 do {
00205 min_income = min(min_income, cee->income + cee->expenses);
00206 max_income = max(max_income, cee->income + cee->expenses);
00207 } while (++cee, --numec);
00208
00209 if (min_income > 0) {
00210 _score_part[owner][SCORE_MIN_INCOME] = ClampToI32(min_income);
00211 }
00212
00213 _score_part[owner][SCORE_MAX_INCOME] = ClampToI32(max_income);
00214 }
00215 }
00216
00217
00218 {
00219 const CompanyEconomyEntry *cee;
00220 int numec;
00221 uint32 total_delivered;
00222
00223 numec = min(c->num_valid_stat_ent, 4);
00224 if (numec != 0) {
00225 cee = c->old_economy;
00226 total_delivered = 0;
00227 do {
00228 total_delivered += cee->delivered_cargo;
00229 } while (++cee, --numec);
00230
00231 _score_part[owner][SCORE_DELIVERED] = total_delivered;
00232 }
00233 }
00234
00235
00236 {
00237 uint num = CountBits(c->cargo_types);
00238 _score_part[owner][SCORE_CARGO] = num;
00239 if (update) c->cargo_types = 0;
00240 }
00241
00242
00243 {
00244 if (c->money > 0) {
00245 _score_part[owner][SCORE_MONEY] = ClampToI32(c->money);
00246 }
00247 }
00248
00249
00250 {
00251 _score_part[owner][SCORE_LOAN] = ClampToI32(_score_info[SCORE_LOAN].needed - c->current_loan);
00252 }
00253
00254
00255 {
00256 int total_score = 0;
00257 int s;
00258 score = 0;
00259 for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {
00260
00261 if (i == SCORE_TOTAL) continue;
00262
00263 s = Clamp(_score_part[owner][i], 0, _score_info[i].needed) * _score_info[i].score / _score_info[i].needed;
00264 score += s;
00265 total_score += _score_info[i].score;
00266 }
00267
00268 _score_part[owner][SCORE_TOTAL] = score;
00269
00270
00271 if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;
00272 }
00273
00274 if (update) {
00275 c->old_economy[0].performance_history = score;
00276 UpdateCompanyHQ(c->location_of_HQ, score);
00277 c->old_economy[0].company_value = CalculateCompanyValue(c);
00278 }
00279
00280 SetWindowDirty(WC_PERFORMANCE_DETAIL, 0);
00281 return score;
00282 }
00283
00284
00285 void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
00286 {
00287
00288
00289
00290 Backup<CompanyByte> cur_company(_current_company, old_owner, FILE_LINE);
00291 #ifdef ENABLE_NETWORK
00292
00293 if (_networking) NetworkClientsToSpectators(old_owner);
00294 #endif
00295
00296 Town *t;
00297
00298 assert(old_owner != new_owner);
00299
00300 {
00301 Company *c;
00302 uint i;
00303
00304
00305 FOR_ALL_COMPANIES(c) {
00306 for (i = 0; i < 4; i++) {
00307 if (c->share_owners[i] == old_owner) {
00308
00309 CommandCost res = DoCommand(0, c->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00310
00311
00312 SubtractMoneyFromCompany(res);
00313 }
00314 }
00315 }
00316
00317
00318 Backup<CompanyByte> cur_company2(_current_company, FILE_LINE);
00319 c = Company::Get(old_owner);
00320 for (i = 0; i < 4; i++) {
00321 cur_company2.Change(c->share_owners[i]);
00322 if (_current_company != INVALID_OWNER) {
00323
00324 CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00325
00326
00327 SubtractMoneyFromCompany(res);
00328 }
00329 }
00330 cur_company2.Restore();
00331 }
00332
00333
00334
00335
00336 if (new_owner == INVALID_OWNER) {
00337 Company::Get(old_owner)->money = UINT64_MAX >> 2;
00338 }
00339
00340 Subsidy *s;
00341 FOR_ALL_SUBSIDIES(s) {
00342 if (s->awarded == old_owner) {
00343 if (new_owner == INVALID_OWNER) {
00344 delete s;
00345 } else {
00346 s->awarded = new_owner;
00347 }
00348 }
00349 }
00350 if (new_owner == INVALID_OWNER) RebuildSubsidisedSourceAndDestinationCache();
00351
00352
00353 FOR_ALL_TOWNS(t) {
00354
00355 if (new_owner != INVALID_OWNER) {
00356 if (HasBit(t->have_ratings, old_owner)) {
00357 if (HasBit(t->have_ratings, new_owner)) {
00358
00359 t->ratings[new_owner] = max(t->ratings[new_owner], t->ratings[old_owner]);
00360 } else {
00361 SetBit(t->have_ratings, new_owner);
00362 t->ratings[new_owner] = t->ratings[old_owner];
00363 }
00364 }
00365 }
00366
00367
00368 t->ratings[old_owner] = RATING_INITIAL;
00369 ClrBit(t->have_ratings, old_owner);
00370 }
00371
00372 {
00373 FreeUnitIDGenerator unitidgen[] = {
00374 FreeUnitIDGenerator(VEH_TRAIN, new_owner), FreeUnitIDGenerator(VEH_ROAD, new_owner),
00375 FreeUnitIDGenerator(VEH_SHIP, new_owner), FreeUnitIDGenerator(VEH_AIRCRAFT, new_owner)
00376 };
00377
00378 Vehicle *v;
00379 FOR_ALL_VEHICLES(v) {
00380 if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
00381 if (new_owner == INVALID_OWNER) {
00382 if (v->Previous() == NULL) delete v;
00383 } else {
00384 v->owner = new_owner;
00385 v->colourmap = PAL_NONE;
00386 if (v->IsEngineCountable()) Company::Get(new_owner)->num_engines[v->engine_type]++;
00387 if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
00388
00389
00390 if (v->cargo_payment != NULL) v->cargo_payment->owner = NULL;
00391 }
00392 }
00393 }
00394 }
00395
00396
00397 {
00398 TileIndex tile = 0;
00399 do {
00400 ChangeTileOwner(tile, old_owner, new_owner);
00401 } while (++tile != MapSize());
00402
00403 if (new_owner != INVALID_OWNER) {
00404
00405
00406
00407
00408 tile = 0;
00409
00410 do {
00411 if (IsTileType(tile, MP_RAILWAY) && IsTileOwner(tile, new_owner) && HasSignals(tile)) {
00412 TrackBits tracks = GetTrackBits(tile);
00413 do {
00414 Track track = RemoveFirstTrack(&tracks);
00415 if (HasSignalOnTrack(tile, track)) AddTrackToSignalBuffer(tile, track, new_owner);
00416 } while (tracks != TRACK_BIT_NONE);
00417 } else if (IsLevelCrossingTile(tile) && IsTileOwner(tile, new_owner)) {
00418 UpdateLevelCrossing(tile);
00419 }
00420 } while (++tile != MapSize());
00421 }
00422
00423
00424 UpdateSignalsInBuffer();
00425 }
00426
00427
00428 Station *st;
00429 FOR_ALL_STATIONS(st) {
00430 if (st->owner == old_owner) {
00431
00432
00433 st->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00434 }
00435 }
00436
00437
00438 Waypoint *wp;
00439 FOR_ALL_WAYPOINTS(wp) {
00440 if (wp->owner == old_owner) {
00441 wp->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00442 }
00443 }
00444
00445
00446
00447 RemoveAllEngineReplacementForCompany(Company::Get(old_owner));
00448
00449 if (new_owner == INVALID_OWNER) {
00450 RemoveAllGroupsForCompany(old_owner);
00451 } else {
00452 Group *g;
00453 FOR_ALL_GROUPS(g) {
00454 if (g->owner == old_owner) g->owner = new_owner;
00455 }
00456 }
00457
00458 Sign *si;
00459 FOR_ALL_SIGNS(si) {
00460 if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00461 }
00462
00463
00464 if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
00465
00466 cur_company.Restore();
00467
00468 MarkWholeScreenDirty();
00469 }
00470
00475 static void CompanyCheckBankrupt(Company *c)
00476 {
00477
00478 if (c->money >= 0) {
00479 c->quarters_of_bankruptcy = 0;
00480 c->bankrupt_asked = 0;
00481 return;
00482 }
00483
00484 c->quarters_of_bankruptcy++;
00485
00486 switch (c->quarters_of_bankruptcy) {
00487 case 0:
00488 case 1:
00489 break;
00490
00491 case 2: {
00492 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00493 cni->FillData(c);
00494 SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
00495 SetDParam(1, STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION);
00496 SetDParamStr(2, cni->company_name);
00497 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_TROUBLE, cni);
00498 AI::BroadcastNewEvent(new AIEventCompanyInTrouble(c->index));
00499 break;
00500 }
00501
00502 case 3: {
00503
00504
00505 Money val = CalculateCompanyValue(c, false);
00506 if (val > 0) {
00507 c->bankrupt_value = val;
00508 c->bankrupt_asked = 1 << c->index;
00509 c->bankrupt_timeout = 0;
00510 break;
00511 }
00512
00513 }
00514 default:
00515 case 4:
00516 if (!_networking && _local_company == c->index) {
00517
00518
00519
00520
00521 c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00522 break;
00523 }
00524
00525
00526
00527
00528
00529
00530
00531
00532
00533
00534 if (!_networking || _network_server) DoCommandP(0, 2 | (c->index << 16), 0, CMD_COMPANY_CTRL);
00535 break;
00536 }
00537 }
00538
00543 static void CompaniesGenStatistics()
00544 {
00545 Station *st;
00546
00547 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00548 FOR_ALL_STATIONS(st) {
00549 cur_company.Change(st->owner);
00550 CommandCost cost(EXPENSES_PROPERTY, _price[PR_STATION_VALUE] >> 1);
00551 SubtractMoneyFromCompany(cost);
00552 }
00553 cur_company.Restore();
00554
00555
00556 if (!HasBit(1 << 0 | 1 << 3 | 1 << 6 | 1 << 9, _cur_month)) return;
00557
00558 Company *c;
00559 FOR_ALL_COMPANIES(c) {
00560 memmove(&c->old_economy[1], &c->old_economy[0], sizeof(c->old_economy) - sizeof(c->old_economy[0]));
00561 c->old_economy[0] = c->cur_economy;
00562 memset(&c->cur_economy, 0, sizeof(c->cur_economy));
00563
00564 if (c->num_valid_stat_ent != MAX_HISTORY_MONTHS) c->num_valid_stat_ent++;
00565
00566 UpdateCompanyRatingAndValue(c, true);
00567 if (c->block_preview != 0) c->block_preview--;
00568 CompanyCheckBankrupt(c);
00569 }
00570
00571 SetWindowDirty(WC_INCOME_GRAPH, 0);
00572 SetWindowDirty(WC_OPERATING_PROFIT, 0);
00573 SetWindowDirty(WC_DELIVERED_CARGO, 0);
00574 SetWindowDirty(WC_PERFORMANCE_HISTORY, 0);
00575 SetWindowDirty(WC_COMPANY_VALUE, 0);
00576 SetWindowDirty(WC_COMPANY_LEAGUE, 0);
00577 }
00578
00583 void AddInflation(bool check_year)
00584 {
00585
00586
00587
00588
00589
00590
00591
00592
00593
00594
00595
00596
00597
00598
00599
00600 if (check_year && (_cur_year - _settings_game.game_creation.starting_year) >= (ORIGINAL_MAX_YEAR - ORIGINAL_BASE_YEAR)) return;
00601
00602
00603
00604
00605
00606
00607 _economy.inflation_prices += min((_economy.inflation_prices * _economy.infl_amount * 54) >> 16, MAX_INFLATION);
00608 _economy.inflation_payment += min((_economy.inflation_payment * _economy.infl_amount_pr * 54) >> 16, MAX_INFLATION);
00609 }
00610
00614 void RecomputePrices()
00615 {
00616
00617 _economy.max_loan = (_settings_game.difficulty.max_loan * _economy.inflation_prices >> 16) / 50000 * 50000;
00618
00619
00620 for (Price i = PR_BEGIN; i < PR_END; i++) {
00621 Money price = _price_base_specs[i].start_price;
00622
00623
00624 uint mod = 1;
00625 switch (_price_base_specs[i].category) {
00626 case PCAT_RUNNING:
00627 mod = _settings_game.difficulty.vehicle_costs;
00628 break;
00629
00630 case PCAT_CONSTRUCTION:
00631 mod = _settings_game.difficulty.construction_cost;
00632 break;
00633
00634 default: break;
00635 }
00636 if (mod < 1) {
00637 price = price * 3 >> 2;
00638 } else if (mod > 1) {
00639 price = price * 9 >> 3;
00640 }
00641
00642
00643 price = (int64)price * _economy.inflation_prices;
00644
00645
00646 int shift = _price_base_multiplier[i] - 16;
00647 if (shift >= 0) {
00648 price <<= shift;
00649 } else {
00650 price >>= -shift;
00651 }
00652
00653
00654
00655
00656
00657
00658 if (price == 0) {
00659 price = Clamp(_price_base_specs[i].start_price, -1, 1);
00660
00661 assert(price != 0);
00662 }
00663
00664 _price[i] = price;
00665 }
00666
00667
00668 CargoSpec *cs;
00669 FOR_ALL_CARGOSPECS(cs) {
00670 cs->current_payment = ((int64)cs->initial_payment * _economy.inflation_payment) >> 16;
00671 }
00672
00673 SetWindowClassesDirty(WC_BUILD_VEHICLE);
00674 SetWindowClassesDirty(WC_REPLACE_VEHICLE);
00675 SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00676 InvalidateWindowData(WC_PAYMENT_RATES, 0);
00677 }
00678
00680 static void CompaniesPayInterest()
00681 {
00682 const Company *c;
00683
00684 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00685 FOR_ALL_COMPANIES(c) {
00686 cur_company.Change(c->index);
00687
00688
00689
00690
00691
00692
00693
00694
00695
00696 Money yearly_fee = c->current_loan * _economy.interest_rate / 100;
00697 Money up_to_previous_month = yearly_fee * _cur_month / 12;
00698 Money up_to_this_month = yearly_fee * (_cur_month + 1) / 12;
00699
00700 SubtractMoneyFromCompany(CommandCost(EXPENSES_LOAN_INT, up_to_this_month - up_to_previous_month));
00701
00702 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, _price[PR_STATION_VALUE] >> 2));
00703 }
00704 cur_company.Restore();
00705 }
00706
00707 static void HandleEconomyFluctuations()
00708 {
00709 if (_settings_game.difficulty.economy != 0) {
00710
00711 _economy.fluct--;
00712 } else if (EconomyIsInRecession()) {
00713
00714 _economy.fluct = -12;
00715 } else {
00716
00717 return;
00718 }
00719
00720 if (_economy.fluct == 0) {
00721 _economy.fluct = -(int)GB(Random(), 0, 2);
00722 AddNewsItem(STR_NEWS_BEGIN_OF_RECESSION, NS_ECONOMY);
00723 } else if (_economy.fluct == -12) {
00724 _economy.fluct = GB(Random(), 0, 8) + 312;
00725 AddNewsItem(STR_NEWS_END_OF_RECESSION, NS_ECONOMY);
00726 }
00727 }
00728
00729
00733 void ResetPriceBaseMultipliers()
00734 {
00735 memset(_price_base_multiplier, 0, sizeof(_price_base_multiplier));
00736 }
00737
00745 void SetPriceBaseMultiplier(Price price, int factor)
00746 {
00747 assert(price < PR_END);
00748 _price_base_multiplier[price] = Clamp(factor, MIN_PRICE_MODIFIER, MAX_PRICE_MODIFIER);
00749 }
00750
00755 void StartupIndustryDailyChanges(bool init_counter)
00756 {
00757 uint map_size = MapLogX() + MapLogY();
00758
00759
00760
00761
00762
00763
00764 _economy.industry_daily_increment = (1 << map_size) / 31;
00765
00766 if (init_counter) {
00767
00768 _economy.industry_daily_change_counter = 0;
00769 }
00770 }
00771
00772 void StartupEconomy()
00773 {
00774 _economy.interest_rate = _settings_game.difficulty.initial_interest;
00775 _economy.infl_amount = _settings_game.difficulty.initial_interest;
00776 _economy.infl_amount_pr = max(0, _settings_game.difficulty.initial_interest - 1);
00777 _economy.fluct = GB(Random(), 0, 8) + 168;
00778
00779
00780 RecomputePrices();
00781
00782 StartupIndustryDailyChanges(true);
00783
00784 }
00785
00789 void InitializeEconomy()
00790 {
00791 _economy.inflation_prices = _economy.inflation_payment = 1 << 16;
00792 }
00793
00802 Money GetPrice(Price index, uint cost_factor, const GRFFile *grf_file, int shift)
00803 {
00804 if (index >= PR_END) return 0;
00805
00806 Money cost = _price[index] * cost_factor;
00807 if (grf_file != NULL) shift += grf_file->price_base_multipliers[index];
00808
00809 if (shift >= 0) {
00810 cost <<= shift;
00811 } else {
00812 cost >>= -shift;
00813 }
00814
00815 return cost;
00816 }
00817
00818 Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
00819 {
00820 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00821 if (!cs->IsValid()) {
00822
00823 return 0;
00824 }
00825
00826
00827 if (HasBit(cs->callback_mask, CBM_CARGO_PROFIT_CALC)) {
00828 uint32 var18 = min(dist, 0xFFFF) | (min(num_pieces, 0xFF) << 16) | (transit_days << 24);
00829 uint16 callback = GetCargoCallback(CBID_CARGO_PROFIT_CALC, 0, var18, cs);
00830 if (callback != CALLBACK_FAILED) {
00831 int result = GB(callback, 0, 14);
00832
00833
00834 if (HasBit(callback, 14)) result -= 0x4000;
00835
00836
00837
00838
00839 return result * num_pieces * cs->current_payment / 8192;
00840 }
00841 }
00842
00843 static const int MIN_TIME_FACTOR = 31;
00844 static const int MAX_TIME_FACTOR = 255;
00845
00846 const int days1 = cs->transit_days[0];
00847 const int days2 = cs->transit_days[1];
00848 const int days_over_days1 = max( transit_days - days1, 0);
00849 const int days_over_days2 = max(days_over_days1 - days2, 0);
00850
00851
00852
00853
00854
00855
00856
00857
00858
00859
00860
00861 const int time_factor = max(MAX_TIME_FACTOR - days_over_days1 - days_over_days2, MIN_TIME_FACTOR);
00862
00863 return BigMulS(dist * time_factor * num_pieces, cs->current_payment, 21);
00864 }
00865
00867 static SmallIndustryList _cargo_delivery_destinations;
00868
00878 static uint DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, uint num_pieces, IndustryID source)
00879 {
00880
00881
00882
00883
00884
00885
00886
00887 uint accepted = 0;
00888
00889 for (uint i = 0; i < st->industries_near.Length() && num_pieces != 0; i++) {
00890 Industry *ind = st->industries_near[i];
00891 if (ind->index == source) continue;
00892
00893 uint cargo_index;
00894 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00895 if (cargo_type == ind->accepts_cargo[cargo_index]) break;
00896 }
00897
00898 if (cargo_index >= lengthof(ind->accepts_cargo)) continue;
00899
00900
00901 if (IndustryTemporarilyRefusesCargo(ind, cargo_type)) continue;
00902
00903
00904 _cargo_delivery_destinations.Include(ind);
00905
00906 uint amount = min(num_pieces, 0xFFFFU - ind->incoming_cargo_waiting[cargo_index]);
00907 ind->incoming_cargo_waiting[cargo_index] += amount;
00908 num_pieces -= amount;
00909 accepted += amount;
00910 }
00911
00912 return accepted;
00913 }
00914
00928 static Money DeliverGoods(int num_pieces, CargoID cargo_type, StationID dest, TileIndex source_tile, byte days_in_transit, Company *company, SourceType src_type, SourceID src)
00929 {
00930 assert(num_pieces > 0);
00931
00932 const Station *st = Station::Get(dest);
00933
00934
00935 uint accepted = DeliverGoodsToIndustry(st, cargo_type, num_pieces, src_type == ST_INDUSTRY ? src : INVALID_INDUSTRY);
00936
00937
00938 if (HasBit(st->always_accepted, cargo_type)) accepted = num_pieces;
00939
00940
00941 company->cur_economy.delivered_cargo += accepted;
00942 if (accepted > 0) SetBit(company->cargo_types, cargo_type);
00943
00944
00945 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00946 if (cs->town_effect == TE_FOOD) st->town->new_act_food += accepted;
00947 if (cs->town_effect == TE_WATER) st->town->new_act_water += accepted;
00948
00949
00950 Money profit = GetTransportedGoodsIncome(accepted, DistanceManhattan(source_tile, st->xy), days_in_transit, cargo_type);
00951
00952
00953 if (CheckSubsidised(cargo_type, company->index, src_type, src, st)) {
00954 switch (_settings_game.difficulty.subsidy_multiplier) {
00955 case 0: profit += profit >> 1; break;
00956 case 1: profit *= 2; break;
00957 case 2: profit *= 3; break;
00958 default: profit *= 4; break;
00959 }
00960 }
00961
00962 return profit;
00963 }
00964
00970 static void TriggerIndustryProduction(Industry *i)
00971 {
00972 const IndustrySpec *indspec = GetIndustrySpec(i->type);
00973 uint16 callback = indspec->callback_mask;
00974
00975 i->was_cargo_delivered = true;
00976 i->last_cargo_accepted_at = _date;
00977
00978 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) {
00979 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL)) {
00980 IndustryProductionCallback(i, 0);
00981 } else {
00982 SetWindowDirty(WC_INDUSTRY_VIEW, i->index);
00983 }
00984 } else {
00985 for (uint cargo_index = 0; cargo_index < lengthof(i->incoming_cargo_waiting); cargo_index++) {
00986 uint cargo_waiting = i->incoming_cargo_waiting[cargo_index];
00987 if (cargo_waiting == 0) continue;
00988
00989 i->produced_cargo_waiting[0] = min(i->produced_cargo_waiting[0] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][0] / 256), 0xFFFF);
00990 i->produced_cargo_waiting[1] = min(i->produced_cargo_waiting[1] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][1] / 256), 0xFFFF);
00991
00992 i->incoming_cargo_waiting[cargo_index] = 0;
00993 }
00994 }
00995
00996 TriggerIndustry(i, INDUSTRY_TRIGGER_RECEIVED_CARGO);
00997 StartStopIndustryTileAnimation(i, IAT_INDUSTRY_RECEIVED_CARGO);
00998 }
00999
01004 CargoPayment::CargoPayment(Vehicle *front) :
01005 front(front),
01006 current_station(front->last_station_visited)
01007 {
01008 }
01009
01010 CargoPayment::~CargoPayment()
01011 {
01012 if (this->CleaningPool()) return;
01013
01014 this->front->cargo_payment = NULL;
01015
01016 if (this->visual_profit == 0) return;
01017
01018 Backup<CompanyByte> cur_company(_current_company, this->front->owner, FILE_LINE);
01019
01020 SubtractMoneyFromCompany(CommandCost(this->front->GetExpenseType(true), -this->route_profit));
01021 this->front->profit_this_year += this->visual_profit << 8;
01022
01023 if (this->route_profit != 0) {
01024 if (IsLocalCompany() && !PlayVehicleSound(this->front, VSE_LOAD_UNLOAD)) {
01025 SndPlayVehicleFx(SND_14_CASHTILL, this->front);
01026 }
01027
01028 ShowCostOrIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, -this->visual_profit);
01029 } else {
01030 ShowFeederIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, this->visual_profit);
01031 }
01032
01033 cur_company.Restore();
01034 }
01035
01041 void CargoPayment::PayFinalDelivery(const CargoPacket *cp, uint count)
01042 {
01043 if (this->owner == NULL) {
01044 this->owner = Company::Get(this->front->owner);
01045 }
01046
01047
01048 Money profit = DeliverGoods(count, this->ct, this->current_station, cp->SourceStationXY(), cp->DaysInTransit(), this->owner, cp->SourceSubsidyType(), cp->SourceSubsidyID());
01049 this->route_profit += profit;
01050
01051
01052 this->visual_profit += profit - cp->FeederShare();
01053 }
01054
01061 Money CargoPayment::PayTransfer(const CargoPacket *cp, uint count)
01062 {
01063 Money profit = GetTransportedGoodsIncome(
01064 count,
01065
01066 DistanceManhattan(cp->LoadedAtXY(), Station::Get(this->current_station)->xy),
01067 cp->DaysInTransit(),
01068 this->ct);
01069
01070 profit = profit * _settings_game.economy.feeder_payment_share / 100;
01071
01072 this->visual_profit += profit;
01073 return profit;
01074 }
01075
01080 void PrepareUnload(Vehicle *front_v)
01081 {
01082
01083 ClrBit(front_v->vehicle_flags, VF_LOADING_FINISHED);
01084
01085
01086 front_v->load_unload_ticks = 1;
01087
01088 if ((front_v->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01089 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01090 if (v->cargo_cap > 0 && !v->cargo.Empty()) {
01091 SetBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01092 }
01093 }
01094 }
01095
01096 assert(front_v->cargo_payment == NULL);
01097
01098
01099 assert_compile(CargoPaymentPool::MAX_SIZE == VehiclePool::MAX_SIZE);
01100 assert(CargoPayment::CanAllocateItem());
01101 front_v->cargo_payment = new CargoPayment(front_v);
01102 }
01103
01112 static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
01113 {
01114 assert(v->current_order.IsType(OT_LOADING));
01115
01116
01117 if (v->load_unload_ticks != 0) {
01118 if (_settings_game.order.improved_load && (v->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01119
01120 for (; v != NULL; v = v->Next()) {
01121 int cap_left = v->cargo_cap - v->cargo.Count();
01122 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01123 }
01124 }
01125 return;
01126 }
01127
01128 StationID last_visited = v->last_station_visited;
01129 Station *st = Station::Get(last_visited);
01130
01131 if (v->type == VEH_TRAIN && (!IsTileType(v->tile, MP_STATION) || GetStationIndex(v->tile) != st->index)) {
01132
01133
01134 SetBit(v->vehicle_flags, VF_LOADING_FINISHED);
01135 v->load_unload_ticks = 1;
01136 return;
01137 }
01138
01139 int unloading_time = 0;
01140 Vehicle *u = v;
01141 bool dirty_vehicle = false;
01142 bool dirty_station = false;
01143
01144 bool completely_emptied = true;
01145 bool anything_unloaded = false;
01146 bool anything_loaded = false;
01147 uint32 full_load_amount = 0;
01148 uint32 cargo_not_full = 0;
01149 uint32 cargo_full = 0;
01150
01151 v->cur_speed = 0;
01152
01153 CargoPayment *payment = v->cargo_payment;
01154
01155 for (; v != NULL; v = v->Next()) {
01156 if (v->cargo_cap == 0) continue;
01157
01158 const Engine *e = Engine::Get(v->engine_type);
01159 byte load_amount = e->info.load_amount;
01160
01161
01162 if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = CeilDiv(load_amount, 4);
01163
01164 if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
01165 uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
01166 if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
01167 }
01168
01169 GoodsEntry *ge = &st->goods[v->cargo_type];
01170
01171 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING) && (u->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01172 uint cargo_count = v->cargo.Count();
01173 uint amount_unloaded = _settings_game.order.gradual_loading ? min(cargo_count, load_amount) : cargo_count;
01174 bool remaining = false;
01175 bool accepted = false;
01176
01177 payment->SetCargo(v->cargo_type);
01178
01179 if (HasBit(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE) && !(u->current_order.GetUnloadType() & OUFB_TRANSFER)) {
01180
01181 remaining = v->cargo.MoveTo<StationCargoList>(NULL, amount_unloaded, VehicleCargoList::MTA_FINAL_DELIVERY, payment, last_visited);
01182
01183 dirty_vehicle = true;
01184 accepted = true;
01185 }
01186
01187
01188
01189
01190
01191
01192 if ((u->current_order.GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) && (!accepted || v->cargo.Count() == cargo_count)) {
01193 remaining = v->cargo.MoveTo(&ge->cargo, amount_unloaded, u->current_order.GetUnloadType() & OUFB_TRANSFER ? VehicleCargoList::MTA_TRANSFER : VehicleCargoList::MTA_UNLOAD, payment);
01194 if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) {
01195 InvalidateWindowData(WC_STATION_LIST, last_visited);
01196 SetBit(ge->acceptance_pickup, GoodsEntry::PICKUP);
01197 }
01198
01199 dirty_vehicle = dirty_station = true;
01200 } else if (!accepted) {
01201
01202
01203 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01204
01205
01206
01207
01208
01209 anything_unloaded = true;
01210 continue;
01211 }
01212
01213
01214 st->time_since_unload = 0;
01215
01216 unloading_time += amount_unloaded;
01217
01218 anything_unloaded = true;
01219 if (_settings_game.order.gradual_loading && remaining) {
01220 completely_emptied = false;
01221 } else {
01222
01223 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01224 }
01225
01226 continue;
01227 }
01228
01229
01230 if (u->current_order.GetLoadType() & OLFB_NO_LOAD || HasBit(u->vehicle_flags, VF_STOP_LOADING)) continue;
01231
01232
01233 int t;
01234 switch (u->type) {
01235 case VEH_TRAIN:
01236 case VEH_SHIP:
01237 t = u->vcache.cached_max_speed;
01238 break;
01239
01240 case VEH_ROAD:
01241 t = u->vcache.cached_max_speed / 2;
01242 break;
01243
01244 case VEH_AIRCRAFT:
01245 t = Aircraft::From(u)->GetSpeedOldUnits();
01246 break;
01247
01248 default: NOT_REACHED();
01249 }
01250
01251
01252 ge->last_speed = min(t, 255);
01253 ge->last_age = _cur_year - u->build_year;
01254 ge->days_since_pickup = 0;
01255
01256
01257
01258 int cap_left = v->cargo_cap - v->cargo.Count();
01259 if (!ge->cargo.Empty() && cap_left > 0) {
01260 uint cap = cap_left;
01261 uint count = ge->cargo.Count();
01262
01263
01264
01265 if (_settings_game.order.improved_load && cargo_left[v->cargo_type] <= 0) {
01266 SetBit(cargo_not_full, v->cargo_type);
01267 continue;
01268 }
01269
01270 if (cap > count) cap = count;
01271 if (_settings_game.order.gradual_loading) {
01272 cap = min(cap, load_amount);
01273 cap_left = min(cap_left, load_amount);
01274 }
01275 if (_settings_game.order.improved_load) {
01276
01277 cap = min((uint)cargo_left[v->cargo_type], cap);
01278 count = cargo_left[v->cargo_type];
01279 cargo_left[v->cargo_type] -= cap;
01280 }
01281
01282
01283 if (count >= (uint)cap_left) {
01284 SetBit(full_load_amount, v->cargo_type);
01285 } else {
01286 ClrBit(full_load_amount, v->cargo_type);
01287 }
01288
01289 if (v->cargo.Empty()) TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
01290
01291
01292
01293
01294
01295
01296
01297
01298 completely_emptied = false;
01299 anything_loaded = true;
01300
01301 ge->cargo.MoveTo(&v->cargo, cap, StationCargoList::MTA_CARGO_LOAD, NULL, st->xy);
01302
01303 st->time_since_load = 0;
01304 st->last_vehicle_type = v->type;
01305
01306 TriggerStationAnimation(st, st->xy, SAT_CARGO_TAKEN, v->cargo_type);
01307 AirportAnimationTrigger(st, AAT_STATION_CARGO_TAKEN, v->cargo_type);
01308
01309 unloading_time += cap;
01310
01311 dirty_vehicle = dirty_station = true;
01312 }
01313
01314 if (v->cargo.Count() >= v->cargo_cap) {
01315 SetBit(cargo_full, v->cargo_type);
01316 } else {
01317 SetBit(cargo_not_full, v->cargo_type);
01318 }
01319 }
01320
01321
01322 completely_emptied &= anything_unloaded;
01323
01324
01325
01326
01327
01328 if (_settings_game.order.improved_load && (u->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01329
01330 for (v = u; v != NULL; v = v->Next()) {
01331 int cap_left = v->cargo_cap - v->cargo.Count();
01332 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01333 }
01334 }
01335
01336 v = u;
01337
01338 if (!anything_unloaded) delete payment;
01339
01340 ClrBit(u->vehicle_flags, VF_STOP_LOADING);
01341 if (anything_loaded || anything_unloaded) {
01342 if (_settings_game.order.gradual_loading) {
01343
01344
01345 const uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
01346
01347 unloading_time = gradual_loading_wait_time[v->type];
01348 }
01349
01350
01351 if (!anything_unloaded && full_load_amount == 0 && !(v->current_order.GetLoadType() & OLFB_FULL_LOAD) &&
01352 v->current_order_time >= (uint)max(v->current_order.wait_time - v->lateness_counter, 0)) {
01353 SetBit(v->vehicle_flags, VF_STOP_LOADING);
01354 }
01355 } else {
01356 bool finished_loading = true;
01357 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) {
01358 if (v->current_order.GetLoadType() == OLF_FULL_LOAD_ANY) {
01359
01360
01361 if ((v->type == VEH_AIRCRAFT && IsCargoInClass(v->cargo_type, CC_PASSENGERS) && v->cargo_cap > v->cargo.Count()) ||
01362 (cargo_not_full && (cargo_full & ~cargo_not_full) == 0)) {
01363 finished_loading = false;
01364 }
01365 } else if (cargo_not_full != 0) {
01366 finished_loading = false;
01367 }
01368 }
01369 unloading_time = 20;
01370
01371 SB(v->vehicle_flags, VF_LOADING_FINISHED, 1, finished_loading);
01372 }
01373
01374 if (v->type == VEH_TRAIN) {
01375
01376 int overhang = v->GetGroundVehicleCache()->cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
01377 if (overhang > 0) {
01378 unloading_time <<= 1;
01379 unloading_time += (overhang * unloading_time) / 8;
01380 }
01381 }
01382
01383
01384
01385
01386
01387
01388
01389 if (_game_mode != GM_MENU && (_settings_client.gui.loading_indicators > (uint)(v->owner != _local_company && _local_company != COMPANY_SPECTATOR))) {
01390 StringID percent_up_down = STR_NULL;
01391 int percent = CalcPercentVehicleFilled(v, &percent_up_down);
01392 if (v->fill_percent_te_id == INVALID_TE_ID) {
01393 v->fill_percent_te_id = ShowFillingPercent(v->x_pos, v->y_pos, v->z_pos + 20, percent, percent_up_down);
01394 } else {
01395 UpdateFillingPercent(v->fill_percent_te_id, percent, percent_up_down);
01396 }
01397 }
01398
01399
01400 v->load_unload_ticks = max(1, unloading_time);
01401
01402 if (completely_emptied) {
01403 TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
01404 }
01405
01406 if (dirty_vehicle) {
01407 SetWindowDirty(GetWindowClassForVehicleType(v->type), v->owner);
01408 SetWindowDirty(WC_VEHICLE_DETAILS, v->index);
01409 v->MarkDirty();
01410 }
01411 if (dirty_station) {
01412 st->MarkTilesDirty(true);
01413 SetWindowDirty(WC_STATION_VIEW, last_visited);
01414 }
01415 }
01416
01422 void LoadUnloadStation(Station *st)
01423 {
01424
01425 if (st->loading_vehicles.empty()) return;
01426
01427 Vehicle *last_loading = NULL;
01428 std::list<Vehicle *>::iterator iter;
01429
01430
01431 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01432 Vehicle *v = *iter;
01433
01434 if ((v->vehstatus & (VS_STOPPED | VS_CRASHED))) continue;
01435
01436 assert(v->load_unload_ticks != 0);
01437 if (--v->load_unload_ticks == 0) last_loading = v;
01438 }
01439
01440
01441
01442
01443
01444
01445
01446
01447 if (last_loading == NULL) return;
01448
01449 int cargo_left[NUM_CARGO];
01450
01451 for (uint i = 0; i < NUM_CARGO; i++) cargo_left[i] = st->goods[i].cargo.Count();
01452
01453 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01454 Vehicle *v = *iter;
01455 if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) LoadUnloadVehicle(v, cargo_left);
01456 if (v == last_loading) break;
01457 }
01458
01459
01460 const Industry * const *isend = _cargo_delivery_destinations.End();
01461 for (Industry **iid = _cargo_delivery_destinations.Begin(); iid != isend; iid++) {
01462 TriggerIndustryProduction(*iid);
01463 }
01464 _cargo_delivery_destinations.Clear();
01465 }
01466
01470 void CompaniesMonthlyLoop()
01471 {
01472 CompaniesGenStatistics();
01473 if (_settings_game.economy.inflation) {
01474 AddInflation();
01475 RecomputePrices();
01476 }
01477 CompaniesPayInterest();
01478 HandleEconomyFluctuations();
01479 }
01480
01481 static void DoAcquireCompany(Company *c)
01482 {
01483 CompanyID ci = c->index;
01484
01485 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
01486 cni->FillData(c, Company::Get(_current_company));
01487
01488 SetDParam(0, STR_NEWS_COMPANY_MERGER_TITLE);
01489 SetDParam(1, c->bankrupt_value == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION);
01490 SetDParamStr(2, cni->company_name);
01491 SetDParamStr(3, cni->other_company_name);
01492 SetDParam(4, c->bankrupt_value);
01493 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_MERGER, cni);
01494 AI::BroadcastNewEvent(new AIEventCompanyMerger(ci, _current_company));
01495
01496 ChangeOwnershipOfCompanyItems(ci, _current_company);
01497
01498 if (c->bankrupt_value == 0) {
01499 Company *owner = Company::Get(_current_company);
01500 owner->current_loan += c->current_loan;
01501 }
01502
01503 Money value = CalculateCompanyValue(c) >> 2;
01504 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01505 for (int i = 0; i != 4; i++) {
01506 if (c->share_owners[i] != COMPANY_SPECTATOR) {
01507 cur_company.Change(c->share_owners[i]);
01508 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, -value));
01509 }
01510 }
01511 cur_company.Restore();
01512
01513 if (c->is_ai) AI::Stop(c->index);
01514
01515 DeleteCompanyWindows(ci);
01516 InvalidateWindowClassesData(WC_TRAINS_LIST, 0);
01517 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
01518 InvalidateWindowClassesData(WC_ROADVEH_LIST, 0);
01519 InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
01520
01521 delete c;
01522 }
01523
01524 extern int GetAmountOwnedBy(const Company *c, Owner owner);
01525
01535 CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01536 {
01537 CommandCost cost(EXPENSES_OTHER);
01538 CompanyID target_company = (CompanyID)p1;
01539 Company *c = Company::GetIfValid(target_company);
01540
01541
01542
01543 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01544
01545
01546 if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
01547
01548
01549 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 0) return cost;
01550
01551 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 1) {
01552 if (!c->is_ai) return cost;
01553
01554 if (GetAmountOwnedBy(c, _current_company) == 3 && !MayCompanyTakeOver(_current_company, target_company)) return_cmd_error(STR_ERROR_TOO_MANY_VEHICLES_IN_GAME);
01555 }
01556
01557
01558 cost.AddCost(CalculateCompanyValue(c) >> 2);
01559 if (flags & DC_EXEC) {
01560 OwnerByte *b = c->share_owners;
01561
01562 while (*b != COMPANY_SPECTATOR) b++;
01563 *b = _current_company;
01564
01565 for (int i = 0; c->share_owners[i] == _current_company;) {
01566 if (++i == 4) {
01567 c->bankrupt_value = 0;
01568 DoAcquireCompany(c);
01569 break;
01570 }
01571 }
01572 SetWindowDirty(WC_COMPANY, target_company);
01573 CompanyAdminUpdate(c);
01574 }
01575 return cost;
01576 }
01577
01587 CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01588 {
01589 CompanyID target_company = (CompanyID)p1;
01590 Company *c = Company::GetIfValid(target_company);
01591
01592
01593
01594 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01595
01596
01597 if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
01598
01599
01600 Money cost = CalculateCompanyValue(c) >> 2;
01601 cost = -(cost - (cost >> 7));
01602
01603 if (flags & DC_EXEC) {
01604 OwnerByte *b = c->share_owners;
01605 while (*b != _current_company) b++;
01606 *b = COMPANY_SPECTATOR;
01607 SetWindowDirty(WC_COMPANY, target_company);
01608 CompanyAdminUpdate(c);
01609 }
01610 return CommandCost(EXPENSES_OTHER, cost);
01611 }
01612
01625 CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01626 {
01627 CompanyID target_company = (CompanyID)p1;
01628 Company *c = Company::GetIfValid(target_company);
01629 if (c == NULL) return CMD_ERROR;
01630
01631
01632 if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
01633
01634
01635 if (!_networking && _local_company == c->index) return CMD_ERROR;
01636
01637
01638 if (target_company == _current_company) return CMD_ERROR;
01639
01640
01641 if (!MayCompanyTakeOver(_current_company, target_company)) return CMD_ERROR;
01642
01643
01644 CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);
01645
01646 if (flags & DC_EXEC) {
01647 DoAcquireCompany(c);
01648 }
01649 return cost;
01650 }