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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 if (old_owner == _local_company) {
00296
00297
00298 assert(!_networking);
00299 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00300 Company *c;
00301 FOR_ALL_COMPANIES(c) {
00302 if (c->index != old_owner) {
00303 SetLocalCompany(c->index);
00304 break;
00305 }
00306 }
00307 cur_company.Restore();
00308 assert(old_owner != _local_company);
00309 }
00310
00311 Town *t;
00312
00313 assert(old_owner != new_owner);
00314
00315 {
00316 Company *c;
00317 uint i;
00318
00319
00320 FOR_ALL_COMPANIES(c) {
00321 for (i = 0; i < 4; i++) {
00322 if (c->share_owners[i] == old_owner) {
00323
00324 CommandCost res = DoCommand(0, c->index, 0, DC_EXEC | DC_BANKRUPT, CMD_SELL_SHARE_IN_COMPANY);
00325
00326
00327 SubtractMoneyFromCompany(res);
00328 }
00329 }
00330 }
00331
00332
00333 Backup<CompanyByte> cur_company2(_current_company, FILE_LINE);
00334 c = Company::Get(old_owner);
00335 for (i = 0; i < 4; i++) {
00336 cur_company2.Change(c->share_owners[i]);
00337 if (_current_company != INVALID_OWNER) {
00338
00339 CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC | DC_BANKRUPT, CMD_SELL_SHARE_IN_COMPANY);
00340
00341
00342 SubtractMoneyFromCompany(res);
00343 }
00344 }
00345 cur_company2.Restore();
00346 }
00347
00348
00349
00350
00351 if (new_owner == INVALID_OWNER) {
00352 Company::Get(old_owner)->money = UINT64_MAX >> 2;
00353 }
00354
00355 Subsidy *s;
00356 FOR_ALL_SUBSIDIES(s) {
00357 if (s->awarded == old_owner) {
00358 if (new_owner == INVALID_OWNER) {
00359 delete s;
00360 } else {
00361 s->awarded = new_owner;
00362 }
00363 }
00364 }
00365 if (new_owner == INVALID_OWNER) RebuildSubsidisedSourceAndDestinationCache();
00366
00367
00368 FOR_ALL_TOWNS(t) {
00369
00370 if (new_owner != INVALID_OWNER) {
00371 if (HasBit(t->have_ratings, old_owner)) {
00372 if (HasBit(t->have_ratings, new_owner)) {
00373
00374 t->ratings[new_owner] = max(t->ratings[new_owner], t->ratings[old_owner]);
00375 } else {
00376 SetBit(t->have_ratings, new_owner);
00377 t->ratings[new_owner] = t->ratings[old_owner];
00378 }
00379 }
00380 }
00381
00382
00383 t->ratings[old_owner] = RATING_INITIAL;
00384 ClrBit(t->have_ratings, old_owner);
00385 }
00386
00387 {
00388 FreeUnitIDGenerator unitidgen[] = {
00389 FreeUnitIDGenerator(VEH_TRAIN, new_owner), FreeUnitIDGenerator(VEH_ROAD, new_owner),
00390 FreeUnitIDGenerator(VEH_SHIP, new_owner), FreeUnitIDGenerator(VEH_AIRCRAFT, new_owner)
00391 };
00392
00393 Vehicle *v;
00394 FOR_ALL_VEHICLES(v) {
00395 if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
00396 if (new_owner == INVALID_OWNER) {
00397 if (v->Previous() == NULL) delete v;
00398 } else {
00399 v->owner = new_owner;
00400 v->colourmap = PAL_NONE;
00401 if (v->IsEngineCountable()) Company::Get(new_owner)->num_engines[v->engine_type]++;
00402 if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
00403
00404
00405 if (v->cargo_payment != NULL) v->cargo_payment->owner = NULL;
00406 }
00407 }
00408 }
00409 }
00410
00411
00412 {
00413 TileIndex tile = 0;
00414 do {
00415 ChangeTileOwner(tile, old_owner, new_owner);
00416 } while (++tile != MapSize());
00417
00418 if (new_owner != INVALID_OWNER) {
00419
00420
00421
00422
00423 tile = 0;
00424
00425 do {
00426 if (IsTileType(tile, MP_RAILWAY) && IsTileOwner(tile, new_owner) && HasSignals(tile)) {
00427 TrackBits tracks = GetTrackBits(tile);
00428 do {
00429 Track track = RemoveFirstTrack(&tracks);
00430 if (HasSignalOnTrack(tile, track)) AddTrackToSignalBuffer(tile, track, new_owner);
00431 } while (tracks != TRACK_BIT_NONE);
00432 } else if (IsLevelCrossingTile(tile) && IsTileOwner(tile, new_owner)) {
00433 UpdateLevelCrossing(tile);
00434 }
00435 } while (++tile != MapSize());
00436 }
00437
00438
00439 UpdateSignalsInBuffer();
00440 }
00441
00442
00443 Station *st;
00444 FOR_ALL_STATIONS(st) {
00445 if (st->owner == old_owner) {
00446
00447
00448 st->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00449 }
00450 }
00451
00452
00453 Waypoint *wp;
00454 FOR_ALL_WAYPOINTS(wp) {
00455 if (wp->owner == old_owner) {
00456 wp->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00457 }
00458 }
00459
00460
00461
00462 RemoveAllEngineReplacementForCompany(Company::Get(old_owner));
00463
00464 if (new_owner == INVALID_OWNER) {
00465 RemoveAllGroupsForCompany(old_owner);
00466 } else {
00467 Group *g;
00468 FOR_ALL_GROUPS(g) {
00469 if (g->owner == old_owner) g->owner = new_owner;
00470 }
00471 }
00472
00473 Sign *si;
00474 FOR_ALL_SIGNS(si) {
00475 if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00476 }
00477
00478
00479 if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
00480
00481 cur_company.Restore();
00482
00483 MarkWholeScreenDirty();
00484 }
00485
00490 static void CompanyCheckBankrupt(Company *c)
00491 {
00492
00493 if (c->money >= 0) {
00494 c->quarters_of_bankruptcy = 0;
00495 c->bankrupt_asked = 0;
00496 return;
00497 }
00498
00499 c->quarters_of_bankruptcy++;
00500
00501 switch (c->quarters_of_bankruptcy) {
00502 case 0:
00503 case 1:
00504 break;
00505
00506 case 2: {
00507 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00508 cni->FillData(c);
00509 SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
00510 SetDParam(1, STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION);
00511 SetDParamStr(2, cni->company_name);
00512 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_TROUBLE, cni);
00513 AI::BroadcastNewEvent(new AIEventCompanyInTrouble(c->index));
00514 break;
00515 }
00516
00517 case 3: {
00518
00519
00520 Money val = CalculateCompanyValue(c, false);
00521 if (val > 0) {
00522 c->bankrupt_value = val;
00523 c->bankrupt_asked = 1 << c->index;
00524 c->bankrupt_timeout = 0;
00525 break;
00526 }
00527
00528 }
00529 default:
00530 case 4:
00531 if (!_networking && _local_company == c->index) {
00532
00533
00534
00535
00536 c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00537 break;
00538 }
00539
00540
00541
00542
00543
00544
00545
00546
00547
00548
00549 if (!_networking || _network_server) DoCommandP(0, 2 | (c->index << 16), CRR_BANKRUPT, CMD_COMPANY_CTRL);
00550 break;
00551 }
00552 }
00553
00558 static void CompaniesGenStatistics()
00559 {
00560 Station *st;
00561
00562 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00563 FOR_ALL_STATIONS(st) {
00564 cur_company.Change(st->owner);
00565 CommandCost cost(EXPENSES_PROPERTY, _price[PR_STATION_VALUE] >> 1);
00566 SubtractMoneyFromCompany(cost);
00567 }
00568 cur_company.Restore();
00569
00570
00571 if (!HasBit(1 << 0 | 1 << 3 | 1 << 6 | 1 << 9, _cur_month)) return;
00572
00573 Company *c;
00574 FOR_ALL_COMPANIES(c) {
00575 memmove(&c->old_economy[1], &c->old_economy[0], sizeof(c->old_economy) - sizeof(c->old_economy[0]));
00576 c->old_economy[0] = c->cur_economy;
00577 memset(&c->cur_economy, 0, sizeof(c->cur_economy));
00578
00579 if (c->num_valid_stat_ent != MAX_HISTORY_MONTHS) c->num_valid_stat_ent++;
00580
00581 UpdateCompanyRatingAndValue(c, true);
00582 if (c->block_preview != 0) c->block_preview--;
00583 CompanyCheckBankrupt(c);
00584 }
00585
00586 SetWindowDirty(WC_INCOME_GRAPH, 0);
00587 SetWindowDirty(WC_OPERATING_PROFIT, 0);
00588 SetWindowDirty(WC_DELIVERED_CARGO, 0);
00589 SetWindowDirty(WC_PERFORMANCE_HISTORY, 0);
00590 SetWindowDirty(WC_COMPANY_VALUE, 0);
00591 SetWindowDirty(WC_COMPANY_LEAGUE, 0);
00592 }
00593
00598 void AddInflation(bool check_year)
00599 {
00600
00601
00602
00603
00604
00605
00606
00607
00608
00609
00610
00611
00612
00613
00614
00615 if (check_year && (_cur_year - _settings_game.game_creation.starting_year) >= (ORIGINAL_MAX_YEAR - ORIGINAL_BASE_YEAR)) return;
00616
00617
00618
00619
00620
00621
00622 _economy.inflation_prices += min((_economy.inflation_prices * _economy.infl_amount * 54) >> 16, MAX_INFLATION);
00623 _economy.inflation_payment += min((_economy.inflation_payment * _economy.infl_amount_pr * 54) >> 16, MAX_INFLATION);
00624 }
00625
00629 void RecomputePrices()
00630 {
00631
00632 _economy.max_loan = (_settings_game.difficulty.max_loan * _economy.inflation_prices >> 16) / 50000 * 50000;
00633
00634
00635 for (Price i = PR_BEGIN; i < PR_END; i++) {
00636 Money price = _price_base_specs[i].start_price;
00637
00638
00639 uint mod = 1;
00640 switch (_price_base_specs[i].category) {
00641 case PCAT_RUNNING:
00642 mod = _settings_game.difficulty.vehicle_costs;
00643 break;
00644
00645 case PCAT_CONSTRUCTION:
00646 mod = _settings_game.difficulty.construction_cost;
00647 break;
00648
00649 default: break;
00650 }
00651 if (mod < 1) {
00652 price = price * 3 >> 2;
00653 } else if (mod > 1) {
00654 price = price * 9 >> 3;
00655 }
00656
00657
00658 price = (int64)price * _economy.inflation_prices;
00659
00660
00661 int shift = _price_base_multiplier[i] - 16;
00662 if (shift >= 0) {
00663 price <<= shift;
00664 } else {
00665 price >>= -shift;
00666 }
00667
00668
00669
00670
00671
00672
00673 if (price == 0) {
00674 price = Clamp(_price_base_specs[i].start_price, -1, 1);
00675
00676 assert(price != 0);
00677 }
00678
00679 _price[i] = price;
00680 }
00681
00682
00683 CargoSpec *cs;
00684 FOR_ALL_CARGOSPECS(cs) {
00685 cs->current_payment = ((int64)cs->initial_payment * _economy.inflation_payment) >> 16;
00686 }
00687
00688 SetWindowClassesDirty(WC_BUILD_VEHICLE);
00689 SetWindowClassesDirty(WC_REPLACE_VEHICLE);
00690 SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00691 InvalidateWindowData(WC_PAYMENT_RATES, 0);
00692 }
00693
00695 static void CompaniesPayInterest()
00696 {
00697 const Company *c;
00698
00699 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00700 FOR_ALL_COMPANIES(c) {
00701 cur_company.Change(c->index);
00702
00703
00704
00705
00706
00707
00708
00709
00710
00711 Money yearly_fee = c->current_loan * _economy.interest_rate / 100;
00712 Money up_to_previous_month = yearly_fee * _cur_month / 12;
00713 Money up_to_this_month = yearly_fee * (_cur_month + 1) / 12;
00714
00715 SubtractMoneyFromCompany(CommandCost(EXPENSES_LOAN_INT, up_to_this_month - up_to_previous_month));
00716
00717 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, _price[PR_STATION_VALUE] >> 2));
00718 }
00719 cur_company.Restore();
00720 }
00721
00722 static void HandleEconomyFluctuations()
00723 {
00724 if (_settings_game.difficulty.economy != 0) {
00725
00726 _economy.fluct--;
00727 } else if (EconomyIsInRecession()) {
00728
00729 _economy.fluct = -12;
00730 } else {
00731
00732 return;
00733 }
00734
00735 if (_economy.fluct == 0) {
00736 _economy.fluct = -(int)GB(Random(), 0, 2);
00737 AddNewsItem(STR_NEWS_BEGIN_OF_RECESSION, NS_ECONOMY);
00738 } else if (_economy.fluct == -12) {
00739 _economy.fluct = GB(Random(), 0, 8) + 312;
00740 AddNewsItem(STR_NEWS_END_OF_RECESSION, NS_ECONOMY);
00741 }
00742 }
00743
00744
00748 void ResetPriceBaseMultipliers()
00749 {
00750 memset(_price_base_multiplier, 0, sizeof(_price_base_multiplier));
00751 }
00752
00760 void SetPriceBaseMultiplier(Price price, int factor)
00761 {
00762 assert(price < PR_END);
00763 _price_base_multiplier[price] = Clamp(factor, MIN_PRICE_MODIFIER, MAX_PRICE_MODIFIER);
00764 }
00765
00770 void StartupIndustryDailyChanges(bool init_counter)
00771 {
00772 uint map_size = MapLogX() + MapLogY();
00773
00774
00775
00776
00777
00778
00779 _economy.industry_daily_increment = (1 << map_size) / 31;
00780
00781 if (init_counter) {
00782
00783 _economy.industry_daily_change_counter = 0;
00784 }
00785 }
00786
00787 void StartupEconomy()
00788 {
00789 _economy.interest_rate = _settings_game.difficulty.initial_interest;
00790 _economy.infl_amount = _settings_game.difficulty.initial_interest;
00791 _economy.infl_amount_pr = max(0, _settings_game.difficulty.initial_interest - 1);
00792 _economy.fluct = GB(Random(), 0, 8) + 168;
00793
00794
00795 RecomputePrices();
00796
00797 StartupIndustryDailyChanges(true);
00798
00799 }
00800
00804 void InitializeEconomy()
00805 {
00806 _economy.inflation_prices = _economy.inflation_payment = 1 << 16;
00807 }
00808
00817 Money GetPrice(Price index, uint cost_factor, const GRFFile *grf_file, int shift)
00818 {
00819 if (index >= PR_END) return 0;
00820
00821 Money cost = _price[index] * cost_factor;
00822 if (grf_file != NULL) shift += grf_file->price_base_multipliers[index];
00823
00824 if (shift >= 0) {
00825 cost <<= shift;
00826 } else {
00827 cost >>= -shift;
00828 }
00829
00830 return cost;
00831 }
00832
00833 Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
00834 {
00835 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00836 if (!cs->IsValid()) {
00837
00838 return 0;
00839 }
00840
00841
00842 if (HasBit(cs->callback_mask, CBM_CARGO_PROFIT_CALC)) {
00843 uint32 var18 = min(dist, 0xFFFF) | (min(num_pieces, 0xFF) << 16) | (transit_days << 24);
00844 uint16 callback = GetCargoCallback(CBID_CARGO_PROFIT_CALC, 0, var18, cs);
00845 if (callback != CALLBACK_FAILED) {
00846 int result = GB(callback, 0, 14);
00847
00848
00849 if (HasBit(callback, 14)) result -= 0x4000;
00850
00851
00852
00853
00854 return result * num_pieces * cs->current_payment / 8192;
00855 }
00856 }
00857
00858 static const int MIN_TIME_FACTOR = 31;
00859 static const int MAX_TIME_FACTOR = 255;
00860
00861 const int days1 = cs->transit_days[0];
00862 const int days2 = cs->transit_days[1];
00863 const int days_over_days1 = max( transit_days - days1, 0);
00864 const int days_over_days2 = max(days_over_days1 - days2, 0);
00865
00866
00867
00868
00869
00870
00871
00872
00873
00874
00875
00876 const int time_factor = max(MAX_TIME_FACTOR - days_over_days1 - days_over_days2, MIN_TIME_FACTOR);
00877
00878 return BigMulS(dist * time_factor * num_pieces, cs->current_payment, 21);
00879 }
00880
00882 static SmallIndustryList _cargo_delivery_destinations;
00883
00893 static uint DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, uint num_pieces, IndustryID source)
00894 {
00895
00896
00897
00898
00899
00900
00901
00902 uint accepted = 0;
00903
00904 for (uint i = 0; i < st->industries_near.Length() && num_pieces != 0; i++) {
00905 Industry *ind = st->industries_near[i];
00906 if (ind->index == source) continue;
00907
00908 uint cargo_index;
00909 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00910 if (cargo_type == ind->accepts_cargo[cargo_index]) break;
00911 }
00912
00913 if (cargo_index >= lengthof(ind->accepts_cargo)) continue;
00914
00915
00916 if (IndustryTemporarilyRefusesCargo(ind, cargo_type)) continue;
00917
00918
00919 _cargo_delivery_destinations.Include(ind);
00920
00921 uint amount = min(num_pieces, 0xFFFFU - ind->incoming_cargo_waiting[cargo_index]);
00922 ind->incoming_cargo_waiting[cargo_index] += amount;
00923 num_pieces -= amount;
00924 accepted += amount;
00925 }
00926
00927 return accepted;
00928 }
00929
00943 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)
00944 {
00945 assert(num_pieces > 0);
00946
00947 const Station *st = Station::Get(dest);
00948
00949
00950 uint accepted = DeliverGoodsToIndustry(st, cargo_type, num_pieces, src_type == ST_INDUSTRY ? src : INVALID_INDUSTRY);
00951
00952
00953 if (HasBit(st->always_accepted, cargo_type)) accepted = num_pieces;
00954
00955
00956 company->cur_economy.delivered_cargo += accepted;
00957 if (accepted > 0) SetBit(company->cargo_types, cargo_type);
00958
00959
00960 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00961 if (cs->town_effect == TE_FOOD) st->town->new_act_food += accepted;
00962 if (cs->town_effect == TE_WATER) st->town->new_act_water += accepted;
00963
00964
00965 Money profit = GetTransportedGoodsIncome(accepted, DistanceManhattan(source_tile, st->xy), days_in_transit, cargo_type);
00966
00967
00968 if (CheckSubsidised(cargo_type, company->index, src_type, src, st)) {
00969 switch (_settings_game.difficulty.subsidy_multiplier) {
00970 case 0: profit += profit >> 1; break;
00971 case 1: profit *= 2; break;
00972 case 2: profit *= 3; break;
00973 default: profit *= 4; break;
00974 }
00975 }
00976
00977 return profit;
00978 }
00979
00985 static void TriggerIndustryProduction(Industry *i)
00986 {
00987 const IndustrySpec *indspec = GetIndustrySpec(i->type);
00988 uint16 callback = indspec->callback_mask;
00989
00990 i->was_cargo_delivered = true;
00991 i->last_cargo_accepted_at = _date;
00992
00993 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) {
00994 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL)) {
00995 IndustryProductionCallback(i, 0);
00996 } else {
00997 SetWindowDirty(WC_INDUSTRY_VIEW, i->index);
00998 }
00999 } else {
01000 for (uint cargo_index = 0; cargo_index < lengthof(i->incoming_cargo_waiting); cargo_index++) {
01001 uint cargo_waiting = i->incoming_cargo_waiting[cargo_index];
01002 if (cargo_waiting == 0) continue;
01003
01004 i->produced_cargo_waiting[0] = min(i->produced_cargo_waiting[0] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][0] / 256), 0xFFFF);
01005 i->produced_cargo_waiting[1] = min(i->produced_cargo_waiting[1] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][1] / 256), 0xFFFF);
01006
01007 i->incoming_cargo_waiting[cargo_index] = 0;
01008 }
01009 }
01010
01011 TriggerIndustry(i, INDUSTRY_TRIGGER_RECEIVED_CARGO);
01012 StartStopIndustryTileAnimation(i, IAT_INDUSTRY_RECEIVED_CARGO);
01013 }
01014
01019 CargoPayment::CargoPayment(Vehicle *front) :
01020 front(front),
01021 current_station(front->last_station_visited)
01022 {
01023 }
01024
01025 CargoPayment::~CargoPayment()
01026 {
01027 if (this->CleaningPool()) return;
01028
01029 this->front->cargo_payment = NULL;
01030
01031 if (this->visual_profit == 0) return;
01032
01033 Backup<CompanyByte> cur_company(_current_company, this->front->owner, FILE_LINE);
01034
01035 SubtractMoneyFromCompany(CommandCost(this->front->GetExpenseType(true), -this->route_profit));
01036 this->front->profit_this_year += this->visual_profit << 8;
01037
01038 if (this->route_profit != 0) {
01039 if (IsLocalCompany() && !PlayVehicleSound(this->front, VSE_LOAD_UNLOAD)) {
01040 SndPlayVehicleFx(SND_14_CASHTILL, this->front);
01041 }
01042
01043 ShowCostOrIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, -this->visual_profit);
01044 } else {
01045 ShowFeederIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, this->visual_profit);
01046 }
01047
01048 cur_company.Restore();
01049 }
01050
01056 void CargoPayment::PayFinalDelivery(const CargoPacket *cp, uint count)
01057 {
01058 if (this->owner == NULL) {
01059 this->owner = Company::Get(this->front->owner);
01060 }
01061
01062
01063 Money profit = DeliverGoods(count, this->ct, this->current_station, cp->SourceStationXY(), cp->DaysInTransit(), this->owner, cp->SourceSubsidyType(), cp->SourceSubsidyID());
01064 this->route_profit += profit;
01065
01066
01067 this->visual_profit += profit - cp->FeederShare();
01068 }
01069
01076 Money CargoPayment::PayTransfer(const CargoPacket *cp, uint count)
01077 {
01078 Money profit = GetTransportedGoodsIncome(
01079 count,
01080
01081 DistanceManhattan(cp->LoadedAtXY(), Station::Get(this->current_station)->xy),
01082 cp->DaysInTransit(),
01083 this->ct);
01084
01085 profit = profit * _settings_game.economy.feeder_payment_share / 100;
01086
01087 this->visual_profit += profit;
01088 return profit;
01089 }
01090
01095 void PrepareUnload(Vehicle *front_v)
01096 {
01097
01098 ClrBit(front_v->vehicle_flags, VF_LOADING_FINISHED);
01099
01100
01101 front_v->load_unload_ticks = 1;
01102
01103 if ((front_v->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01104 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01105 if (v->cargo_cap > 0 && !v->cargo.Empty()) {
01106 SetBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01107 }
01108 }
01109 }
01110
01111 assert(front_v->cargo_payment == NULL);
01112
01113
01114 assert_compile(CargoPaymentPool::MAX_SIZE == VehiclePool::MAX_SIZE);
01115 assert(CargoPayment::CanAllocateItem());
01116 front_v->cargo_payment = new CargoPayment(front_v);
01117 }
01118
01127 static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
01128 {
01129 assert(v->current_order.IsType(OT_LOADING));
01130
01131
01132 if (v->load_unload_ticks != 0) {
01133 if (_settings_game.order.improved_load && (v->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01134
01135 for (; v != NULL; v = v->Next()) {
01136 int cap_left = v->cargo_cap - v->cargo.Count();
01137 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01138 }
01139 }
01140 return;
01141 }
01142
01143 StationID last_visited = v->last_station_visited;
01144 Station *st = Station::Get(last_visited);
01145
01146 if (v->type == VEH_TRAIN && (!IsTileType(v->tile, MP_STATION) || GetStationIndex(v->tile) != st->index)) {
01147
01148
01149 SetBit(v->vehicle_flags, VF_LOADING_FINISHED);
01150 v->load_unload_ticks = 1;
01151 return;
01152 }
01153
01154 int unloading_time = 0;
01155 Vehicle *u = v;
01156 bool dirty_vehicle = false;
01157 bool dirty_station = false;
01158
01159 bool completely_emptied = true;
01160 bool anything_unloaded = false;
01161 bool anything_loaded = false;
01162 uint32 full_load_amount = 0;
01163 uint32 cargo_not_full = 0;
01164 uint32 cargo_full = 0;
01165
01166 v->cur_speed = 0;
01167
01168 CargoPayment *payment = v->cargo_payment;
01169
01170 for (; v != NULL; v = v->Next()) {
01171 if (v->cargo_cap == 0) continue;
01172
01173 const Engine *e = Engine::Get(v->engine_type);
01174 byte load_amount = e->info.load_amount;
01175
01176
01177 if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = CeilDiv(load_amount, 4);
01178
01179 if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
01180 uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
01181 if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
01182 }
01183
01184 GoodsEntry *ge = &st->goods[v->cargo_type];
01185
01186 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING) && (u->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01187 uint cargo_count = v->cargo.Count();
01188 uint amount_unloaded = _settings_game.order.gradual_loading ? min(cargo_count, load_amount) : cargo_count;
01189 bool remaining = false;
01190 bool accepted = false;
01191
01192 payment->SetCargo(v->cargo_type);
01193
01194 if (HasBit(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE) && !(u->current_order.GetUnloadType() & OUFB_TRANSFER)) {
01195
01196 remaining = v->cargo.MoveTo<StationCargoList>(NULL, amount_unloaded, VehicleCargoList::MTA_FINAL_DELIVERY, payment, last_visited);
01197
01198 dirty_vehicle = true;
01199 accepted = true;
01200 }
01201
01202
01203
01204
01205
01206
01207 if ((u->current_order.GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) && (!accepted || v->cargo.Count() == cargo_count)) {
01208 remaining = v->cargo.MoveTo(&ge->cargo, amount_unloaded, u->current_order.GetUnloadType() & OUFB_TRANSFER ? VehicleCargoList::MTA_TRANSFER : VehicleCargoList::MTA_UNLOAD, payment);
01209 if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) {
01210 InvalidateWindowData(WC_STATION_LIST, last_visited);
01211 SetBit(ge->acceptance_pickup, GoodsEntry::PICKUP);
01212 }
01213
01214 dirty_vehicle = dirty_station = true;
01215 } else if (!accepted) {
01216
01217
01218 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01219
01220
01221
01222
01223
01224 anything_unloaded = true;
01225 continue;
01226 }
01227
01228
01229 st->time_since_unload = 0;
01230
01231 unloading_time += amount_unloaded;
01232
01233 anything_unloaded = true;
01234 if (_settings_game.order.gradual_loading && remaining) {
01235 completely_emptied = false;
01236 } else {
01237
01238 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01239 }
01240
01241 continue;
01242 }
01243
01244
01245 if (u->current_order.GetLoadType() & OLFB_NO_LOAD || HasBit(u->vehicle_flags, VF_STOP_LOADING)) continue;
01246
01247
01248 int t;
01249 switch (u->type) {
01250 case VEH_TRAIN:
01251 case VEH_SHIP:
01252 t = u->vcache.cached_max_speed;
01253 break;
01254
01255 case VEH_ROAD:
01256 t = u->vcache.cached_max_speed / 2;
01257 break;
01258
01259 case VEH_AIRCRAFT:
01260 t = Aircraft::From(u)->GetSpeedOldUnits();
01261 break;
01262
01263 default: NOT_REACHED();
01264 }
01265
01266
01267 ge->last_speed = min(t, 255);
01268 ge->last_age = _cur_year - u->build_year;
01269 ge->days_since_pickup = 0;
01270
01271
01272
01273 int cap_left = v->cargo_cap - v->cargo.Count();
01274 if (!ge->cargo.Empty() && cap_left > 0) {
01275 uint cap = cap_left;
01276 uint count = ge->cargo.Count();
01277
01278
01279
01280 if (_settings_game.order.improved_load && cargo_left[v->cargo_type] <= 0) {
01281 SetBit(cargo_not_full, v->cargo_type);
01282 continue;
01283 }
01284
01285 if (cap > count) cap = count;
01286 if (_settings_game.order.gradual_loading) {
01287 cap = min(cap, load_amount);
01288 cap_left = min(cap_left, load_amount);
01289 }
01290 if (_settings_game.order.improved_load) {
01291
01292 cap = min((uint)cargo_left[v->cargo_type], cap);
01293 count = cargo_left[v->cargo_type];
01294 cargo_left[v->cargo_type] -= cap;
01295 }
01296
01297
01298 if (count >= (uint)cap_left) {
01299 SetBit(full_load_amount, v->cargo_type);
01300 } else {
01301 ClrBit(full_load_amount, v->cargo_type);
01302 }
01303
01304 if (v->cargo.Empty()) TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
01305
01306
01307
01308
01309
01310
01311
01312
01313 completely_emptied = false;
01314 anything_loaded = true;
01315
01316 ge->cargo.MoveTo(&v->cargo, cap, StationCargoList::MTA_CARGO_LOAD, NULL, st->xy);
01317
01318 st->time_since_load = 0;
01319 st->last_vehicle_type = v->type;
01320
01321 TriggerStationAnimation(st, st->xy, SAT_CARGO_TAKEN, v->cargo_type);
01322 AirportAnimationTrigger(st, AAT_STATION_CARGO_TAKEN, v->cargo_type);
01323
01324 unloading_time += cap;
01325
01326 dirty_vehicle = dirty_station = true;
01327 }
01328
01329 if (v->cargo.Count() >= v->cargo_cap) {
01330 SetBit(cargo_full, v->cargo_type);
01331 } else {
01332 SetBit(cargo_not_full, v->cargo_type);
01333 }
01334 }
01335
01336
01337 completely_emptied &= anything_unloaded;
01338
01339
01340
01341
01342
01343 if (_settings_game.order.improved_load && (u->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01344
01345 for (v = u; v != NULL; v = v->Next()) {
01346 int cap_left = v->cargo_cap - v->cargo.Count();
01347 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01348 }
01349 }
01350
01351 v = u;
01352
01353 if (!anything_unloaded) delete payment;
01354
01355 ClrBit(u->vehicle_flags, VF_STOP_LOADING);
01356 if (anything_loaded || anything_unloaded) {
01357 if (_settings_game.order.gradual_loading) {
01358
01359
01360 const uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
01361
01362 unloading_time = gradual_loading_wait_time[v->type];
01363 }
01364
01365
01366 if (!anything_unloaded && full_load_amount == 0 && !(v->current_order.GetLoadType() & OLFB_FULL_LOAD) &&
01367 v->current_order_time >= (uint)max(v->current_order.wait_time - v->lateness_counter, 0)) {
01368 SetBit(v->vehicle_flags, VF_STOP_LOADING);
01369 }
01370 } else {
01371 bool finished_loading = true;
01372 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) {
01373 if (v->current_order.GetLoadType() == OLF_FULL_LOAD_ANY) {
01374
01375
01376 if ((v->type == VEH_AIRCRAFT && IsCargoInClass(v->cargo_type, CC_PASSENGERS) && v->cargo_cap > v->cargo.Count()) ||
01377 (cargo_not_full && (cargo_full & ~cargo_not_full) == 0)) {
01378 finished_loading = false;
01379 }
01380 } else if (cargo_not_full != 0) {
01381 finished_loading = false;
01382 }
01383 }
01384 unloading_time = 20;
01385
01386 SB(v->vehicle_flags, VF_LOADING_FINISHED, 1, finished_loading);
01387 }
01388
01389 if (v->type == VEH_TRAIN) {
01390
01391 int overhang = v->GetGroundVehicleCache()->cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
01392 if (overhang > 0) {
01393 unloading_time <<= 1;
01394 unloading_time += (overhang * unloading_time) / 8;
01395 }
01396 }
01397
01398
01399
01400
01401
01402
01403
01404 if (_game_mode != GM_MENU && (_settings_client.gui.loading_indicators > (uint)(v->owner != _local_company && _local_company != COMPANY_SPECTATOR))) {
01405 StringID percent_up_down = STR_NULL;
01406 int percent = CalcPercentVehicleFilled(v, &percent_up_down);
01407 if (v->fill_percent_te_id == INVALID_TE_ID) {
01408 v->fill_percent_te_id = ShowFillingPercent(v->x_pos, v->y_pos, v->z_pos + 20, percent, percent_up_down);
01409 } else {
01410 UpdateFillingPercent(v->fill_percent_te_id, percent, percent_up_down);
01411 }
01412 }
01413
01414
01415 v->load_unload_ticks = max(1, unloading_time);
01416
01417 if (completely_emptied) {
01418 TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
01419 }
01420
01421 if (dirty_vehicle) {
01422 SetWindowDirty(GetWindowClassForVehicleType(v->type), v->owner);
01423 SetWindowDirty(WC_VEHICLE_DETAILS, v->index);
01424 v->MarkDirty();
01425 }
01426 if (dirty_station) {
01427 st->MarkTilesDirty(true);
01428 SetWindowDirty(WC_STATION_VIEW, last_visited);
01429 }
01430 }
01431
01437 void LoadUnloadStation(Station *st)
01438 {
01439
01440 if (st->loading_vehicles.empty()) return;
01441
01442 Vehicle *last_loading = NULL;
01443 std::list<Vehicle *>::iterator iter;
01444
01445
01446 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01447 Vehicle *v = *iter;
01448
01449 if ((v->vehstatus & (VS_STOPPED | VS_CRASHED))) continue;
01450
01451 assert(v->load_unload_ticks != 0);
01452 if (--v->load_unload_ticks == 0) last_loading = v;
01453 }
01454
01455
01456
01457
01458
01459
01460
01461
01462 if (last_loading == NULL) return;
01463
01464 int cargo_left[NUM_CARGO];
01465
01466 for (uint i = 0; i < NUM_CARGO; i++) cargo_left[i] = st->goods[i].cargo.Count();
01467
01468 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01469 Vehicle *v = *iter;
01470 if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) LoadUnloadVehicle(v, cargo_left);
01471 if (v == last_loading) break;
01472 }
01473
01474
01475 const Industry * const *isend = _cargo_delivery_destinations.End();
01476 for (Industry **iid = _cargo_delivery_destinations.Begin(); iid != isend; iid++) {
01477 TriggerIndustryProduction(*iid);
01478 }
01479 _cargo_delivery_destinations.Clear();
01480 }
01481
01485 void CompaniesMonthlyLoop()
01486 {
01487 CompaniesGenStatistics();
01488 if (_settings_game.economy.inflation) {
01489 AddInflation();
01490 RecomputePrices();
01491 }
01492 CompaniesPayInterest();
01493 HandleEconomyFluctuations();
01494 }
01495
01496 static void DoAcquireCompany(Company *c)
01497 {
01498 CompanyID ci = c->index;
01499
01500 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
01501 cni->FillData(c, Company::Get(_current_company));
01502
01503 SetDParam(0, STR_NEWS_COMPANY_MERGER_TITLE);
01504 SetDParam(1, c->bankrupt_value == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION);
01505 SetDParamStr(2, cni->company_name);
01506 SetDParamStr(3, cni->other_company_name);
01507 SetDParam(4, c->bankrupt_value);
01508 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_MERGER, cni);
01509 AI::BroadcastNewEvent(new AIEventCompanyMerger(ci, _current_company));
01510
01511 ChangeOwnershipOfCompanyItems(ci, _current_company);
01512
01513 if (c->bankrupt_value == 0) {
01514 Company *owner = Company::Get(_current_company);
01515 owner->current_loan += c->current_loan;
01516 }
01517
01518 if (c->is_ai) AI::Stop(c->index);
01519
01520 DeleteCompanyWindows(ci);
01521 InvalidateWindowClassesData(WC_TRAINS_LIST, 0);
01522 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
01523 InvalidateWindowClassesData(WC_ROADVEH_LIST, 0);
01524 InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
01525
01526 delete c;
01527 }
01528
01529 extern int GetAmountOwnedBy(const Company *c, Owner owner);
01530
01540 CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01541 {
01542 CommandCost cost(EXPENSES_OTHER);
01543 CompanyID target_company = (CompanyID)p1;
01544 Company *c = Company::GetIfValid(target_company);
01545
01546
01547
01548 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01549
01550
01551 if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
01552
01553
01554 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 0) return cost;
01555
01556 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 1) {
01557 if (!c->is_ai) return cost;
01558
01559 if (GetAmountOwnedBy(c, _current_company) == 3 && !MayCompanyTakeOver(_current_company, target_company)) return_cmd_error(STR_ERROR_TOO_MANY_VEHICLES_IN_GAME);
01560 }
01561
01562
01563 cost.AddCost(CalculateCompanyValue(c) >> 2);
01564 if (flags & DC_EXEC) {
01565 OwnerByte *b = c->share_owners;
01566
01567 while (*b != COMPANY_SPECTATOR) b++;
01568 *b = _current_company;
01569
01570 for (int i = 0; c->share_owners[i] == _current_company;) {
01571 if (++i == 4) {
01572 c->bankrupt_value = 0;
01573 DoAcquireCompany(c);
01574 break;
01575 }
01576 }
01577 SetWindowDirty(WC_COMPANY, target_company);
01578 CompanyAdminUpdate(c);
01579 }
01580 return cost;
01581 }
01582
01592 CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01593 {
01594 CompanyID target_company = (CompanyID)p1;
01595 Company *c = Company::GetIfValid(target_company);
01596
01597
01598 if (c == NULL || _current_company == target_company) return CMD_ERROR;
01599
01600
01601
01602 if (!_settings_game.economy.allow_shares && !(flags & DC_BANKRUPT)) return CMD_ERROR;
01603
01604
01605 if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
01606
01607
01608 Money cost = CalculateCompanyValue(c) >> 2;
01609 cost = -(cost - (cost >> 7));
01610
01611 if (flags & DC_EXEC) {
01612 OwnerByte *b = c->share_owners;
01613 while (*b != _current_company) b++;
01614 *b = COMPANY_SPECTATOR;
01615 SetWindowDirty(WC_COMPANY, target_company);
01616 CompanyAdminUpdate(c);
01617 }
01618 return CommandCost(EXPENSES_OTHER, cost);
01619 }
01620
01633 CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01634 {
01635 CompanyID target_company = (CompanyID)p1;
01636 Company *c = Company::GetIfValid(target_company);
01637 if (c == NULL) return CMD_ERROR;
01638
01639
01640 if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
01641
01642
01643 if (!_networking && _local_company == c->index) return CMD_ERROR;
01644
01645
01646 if (target_company == _current_company) return CMD_ERROR;
01647
01648
01649 if (!MayCompanyTakeOver(_current_company, target_company)) return CMD_ERROR;
01650
01651
01652 CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);
01653
01654 if (flags & DC_EXEC) {
01655 DoAcquireCompany(c);
01656 }
01657 return cost;
01658 }