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00012 #include "stdafx.h"
00013 #include "tile_cmd.h"
00014 #include "company_func.h"
00015 #include "command_func.h"
00016 #include "industry.h"
00017 #include "town.h"
00018 #include "news_func.h"
00019 #include "network/network.h"
00020 #include "network/network_func.h"
00021 #include "vehicle_gui.h"
00022 #include "ai/ai.hpp"
00023 #include "aircraft.h"
00024 #include "train.h"
00025 #include "newgrf_cargo.h"
00026 #include "newgrf_engine.h"
00027 #include "newgrf_sound.h"
00028 #include "newgrf_industries.h"
00029 #include "newgrf_industrytiles.h"
00030 #include "newgrf_station.h"
00031 #include "unmovable.h"
00032 #include "group.h"
00033 #include "strings_func.h"
00034 #include "functions.h"
00035 #include "window_func.h"
00036 #include "date_func.h"
00037 #include "vehicle_func.h"
00038 #include "sound_func.h"
00039 #include "gfx_func.h"
00040 #include "autoreplace_func.h"
00041 #include "company_gui.h"
00042 #include "signs_base.h"
00043 #include "subsidy_base.h"
00044 #include "subsidy_func.h"
00045 #include "station_base.h"
00046 #include "waypoint_base.h"
00047 #include "economy_base.h"
00048 #include "core/pool_func.hpp"
00049
00050 #include "table/strings.h"
00051 #include "table/sprites.h"
00052 #include "table/pricebase.h"
00053
00054
00055
00056 CargoPaymentPool _cargo_payment_pool("CargoPayment");
00057 INSTANTIATE_POOL_METHODS(CargoPayment)
00058
00059
00070 static inline int32 BigMulS(const int32 a, const int32 b, const uint8 shift)
00071 {
00072 return (int32)((int64)a * (int64)b >> shift);
00073 }
00074
00086 static inline uint32 BigMulSU(const uint32 a, const uint32 b, const uint8 shift)
00087 {
00088 return (uint32)((uint64)a * (uint64)b >> shift);
00089 }
00090
00091 typedef SmallVector<Industry *, 16> SmallIndustryList;
00092
00093
00094 const ScoreInfo _score_info[] = {
00095 { SCORE_VEHICLES, 120, 100 },
00096 { SCORE_STATIONS, 80, 100 },
00097 { SCORE_MIN_PROFIT, 10000, 100 },
00098 { SCORE_MIN_INCOME, 50000, 50 },
00099 { SCORE_MAX_INCOME, 100000, 100 },
00100 { SCORE_DELIVERED, 40000, 400 },
00101 { SCORE_CARGO, 8, 50 },
00102 { SCORE_MONEY, 10000000, 50 },
00103 { SCORE_LOAN, 250000, 50 },
00104 { SCORE_TOTAL, 0, 0 }
00105 };
00106
00107 int _score_part[MAX_COMPANIES][SCORE_END];
00108 Economy _economy;
00109 Prices _price;
00110 Money _additional_cash_required;
00111 static PriceMultipliers _price_base_multiplier;
00112
00113 Money CalculateCompanyValue(const Company *c)
00114 {
00115 Owner owner = c->index;
00116 Money value = 0;
00117
00118 Station *st;
00119 uint num = 0;
00120
00121 FOR_ALL_STATIONS(st) {
00122 if (st->owner == owner) num += CountBits((byte)st->facilities);
00123 }
00124
00125 value += num * _price[PR_STATION_VALUE] * 25;
00126
00127 Vehicle *v;
00128 FOR_ALL_VEHICLES(v) {
00129 if (v->owner != owner) continue;
00130
00131 if (v->type == VEH_TRAIN ||
00132 v->type == VEH_ROAD ||
00133 (v->type == VEH_AIRCRAFT && Aircraft::From(v)->IsNormalAircraft()) ||
00134 v->type == VEH_SHIP) {
00135 value += v->value * 3 >> 1;
00136 }
00137 }
00138
00139
00140 value -= c->current_loan;
00141 value += c->money;
00142
00143 return max(value, (Money)1);
00144 }
00145
00152 int UpdateCompanyRatingAndValue(Company *c, bool update)
00153 {
00154 Owner owner = c->index;
00155 int score = 0;
00156
00157 memset(_score_part[owner], 0, sizeof(_score_part[owner]));
00158
00159
00160 {
00161 Vehicle *v;
00162 Money min_profit = 0;
00163 bool min_profit_first = true;
00164 uint num = 0;
00165
00166 FOR_ALL_VEHICLES(v) {
00167 if (v->owner != owner) continue;
00168 if (IsCompanyBuildableVehicleType(v->type) && v->IsPrimaryVehicle()) {
00169 if (v->profit_last_year > 0) num++;
00170 if (v->age > 730) {
00171
00172 if (min_profit_first || min_profit > v->profit_last_year) {
00173 min_profit = v->profit_last_year;
00174 min_profit_first = false;
00175 }
00176 }
00177 }
00178 }
00179
00180 min_profit >>= 8;
00181
00182 _score_part[owner][SCORE_VEHICLES] = num;
00183
00184 if (min_profit > 0)
00185 _score_part[owner][SCORE_MIN_PROFIT] = ClampToI32(min_profit);
00186 }
00187
00188
00189 {
00190 uint num = 0;
00191 const Station *st;
00192
00193 FOR_ALL_STATIONS(st) {
00194
00195 if (st->owner == owner && (st->time_since_load <= 20 || st->time_since_unload <= 20)) num += CountBits((byte)st->facilities);
00196 }
00197 _score_part[owner][SCORE_STATIONS] = num;
00198 }
00199
00200
00201 {
00202 int numec = min(c->num_valid_stat_ent, 12);
00203 if (numec != 0) {
00204 const CompanyEconomyEntry *cee = c->old_economy;
00205 Money min_income = cee->income + cee->expenses;
00206 Money max_income = cee->income + cee->expenses;
00207
00208 do {
00209 min_income = min(min_income, cee->income + cee->expenses);
00210 max_income = max(max_income, cee->income + cee->expenses);
00211 } while (++cee, --numec);
00212
00213 if (min_income > 0) {
00214 _score_part[owner][SCORE_MIN_INCOME] = ClampToI32(min_income);
00215 }
00216
00217 _score_part[owner][SCORE_MAX_INCOME] = ClampToI32(max_income);
00218 }
00219 }
00220
00221
00222 {
00223 const CompanyEconomyEntry *cee;
00224 int numec;
00225 uint32 total_delivered;
00226
00227 numec = min(c->num_valid_stat_ent, 4);
00228 if (numec != 0) {
00229 cee = c->old_economy;
00230 total_delivered = 0;
00231 do {
00232 total_delivered += cee->delivered_cargo;
00233 } while (++cee, --numec);
00234
00235 _score_part[owner][SCORE_DELIVERED] = total_delivered;
00236 }
00237 }
00238
00239
00240 {
00241 uint num = CountBits(c->cargo_types);
00242 _score_part[owner][SCORE_CARGO] = num;
00243 if (update) c->cargo_types = 0;
00244 }
00245
00246
00247 {
00248 if (c->money > 0) {
00249 _score_part[owner][SCORE_MONEY] = ClampToI32(c->money);
00250 }
00251 }
00252
00253
00254 {
00255 _score_part[owner][SCORE_LOAN] = ClampToI32(_score_info[SCORE_LOAN].needed - c->current_loan);
00256 }
00257
00258
00259 {
00260 int total_score = 0;
00261 int s;
00262 score = 0;
00263 for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {
00264
00265 if (i == SCORE_TOTAL) continue;
00266
00267 s = Clamp(_score_part[owner][i], 0, _score_info[i].needed) * _score_info[i].score / _score_info[i].needed;
00268 score += s;
00269 total_score += _score_info[i].score;
00270 }
00271
00272 _score_part[owner][SCORE_TOTAL] = score;
00273
00274
00275 if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;
00276 }
00277
00278 if (update) {
00279 c->old_economy[0].performance_history = score;
00280 UpdateCompanyHQ(c, score);
00281 c->old_economy[0].company_value = CalculateCompanyValue(c);
00282 }
00283
00284 SetWindowDirty(WC_PERFORMANCE_DETAIL, 0);
00285 return score;
00286 }
00287
00288
00289 void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
00290 {
00291 Town *t;
00292 CompanyID old = _current_company;
00293
00294 assert(old_owner != new_owner);
00295
00296 {
00297 Company *c;
00298 uint i;
00299
00300
00301 _current_company = old_owner;
00302 FOR_ALL_COMPANIES(c) {
00303 for (i = 0; i < 4; i++) {
00304 if (c->share_owners[i] == old_owner) {
00305
00306 CommandCost res = DoCommand(0, c->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00307
00308
00309 SubtractMoneyFromCompany(res);
00310 }
00311 }
00312 }
00313
00314
00315 c = Company::Get(old_owner);
00316 for (i = 0; i < 4; i++) {
00317 _current_company = c->share_owners[i];
00318 if (_current_company != INVALID_OWNER) {
00319
00320 CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00321
00322
00323 SubtractMoneyFromCompany(res);
00324 }
00325 }
00326 }
00327
00328 _current_company = old_owner;
00329
00330
00331
00332
00333 if (new_owner == INVALID_OWNER) {
00334 Company::Get(old_owner)->money = UINT64_MAX >> 2;
00335 }
00336
00337 Subsidy *s;
00338 FOR_ALL_SUBSIDIES(s) {
00339 if (s->awarded == old_owner) {
00340 if (new_owner == INVALID_OWNER) {
00341 delete s;
00342 } else {
00343 s->awarded = new_owner;
00344 }
00345 }
00346 }
00347 if (new_owner == INVALID_OWNER) RebuildSubsidisedSourceAndDestinationCache();
00348
00349
00350 FOR_ALL_TOWNS(t) {
00351
00352 if (new_owner != INVALID_OWNER) {
00353 if (HasBit(t->have_ratings, old_owner)) {
00354 if (HasBit(t->have_ratings, new_owner)) {
00355
00356 t->ratings[new_owner] = max(t->ratings[new_owner], t->ratings[old_owner]);
00357 } else {
00358 SetBit(t->have_ratings, new_owner);
00359 t->ratings[new_owner] = t->ratings[old_owner];
00360 }
00361 }
00362 }
00363
00364
00365 t->ratings[old_owner] = RATING_INITIAL;
00366 ClrBit(t->have_ratings, old_owner);
00367 }
00368
00369 {
00370 FreeUnitIDGenerator unitidgen[] = {
00371 FreeUnitIDGenerator(VEH_TRAIN, new_owner), FreeUnitIDGenerator(VEH_ROAD, new_owner),
00372 FreeUnitIDGenerator(VEH_SHIP, new_owner), FreeUnitIDGenerator(VEH_AIRCRAFT, new_owner)
00373 };
00374
00375 Vehicle *v;
00376 FOR_ALL_VEHICLES(v) {
00377 if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
00378 if (new_owner == INVALID_OWNER) {
00379 if (v->Previous() == NULL) delete v;
00380 } else {
00381 v->owner = new_owner;
00382 v->colourmap = PAL_NONE;
00383 if (v->IsEngineCountable()) Company::Get(new_owner)->num_engines[v->engine_type]++;
00384 if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
00385 }
00386 }
00387 }
00388 }
00389
00390
00391 {
00392 TileIndex tile = 0;
00393 do {
00394 ChangeTileOwner(tile, old_owner, new_owner);
00395 } while (++tile != MapSize());
00396
00397 if (new_owner != INVALID_OWNER) {
00398
00399
00400
00401
00402 tile = 0;
00403
00404 do {
00405 if (IsTileType(tile, MP_RAILWAY) && IsTileOwner(tile, new_owner) && HasSignals(tile)) {
00406 TrackBits tracks = GetTrackBits(tile);
00407 do {
00408 Track track = RemoveFirstTrack(&tracks);
00409 if (HasSignalOnTrack(tile, track)) AddTrackToSignalBuffer(tile, track, new_owner);
00410 } while (tracks != TRACK_BIT_NONE);
00411 } else if (IsLevelCrossingTile(tile) && IsTileOwner(tile, new_owner)) {
00412 UpdateLevelCrossing(tile);
00413 }
00414 } while (++tile != MapSize());
00415 }
00416
00417
00418 UpdateSignalsInBuffer();
00419 }
00420
00421
00422 Station *st;
00423 FOR_ALL_STATIONS(st) {
00424 if (st->owner == old_owner) {
00425
00426
00427 st->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00428 }
00429 }
00430
00431
00432 Waypoint *wp;
00433 FOR_ALL_WAYPOINTS(wp) {
00434 if (wp->owner == old_owner) {
00435 wp->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00436 }
00437 }
00438
00439
00440
00441 RemoveAllEngineReplacementForCompany(Company::Get(old_owner));
00442
00443 if (new_owner == INVALID_OWNER) {
00444 RemoveAllGroupsForCompany(old_owner);
00445 } else {
00446 Group *g;
00447 FOR_ALL_GROUPS(g) {
00448 if (g->owner == old_owner) g->owner = new_owner;
00449 }
00450 }
00451
00452 Sign *si;
00453 FOR_ALL_SIGNS(si) {
00454 if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00455 }
00456
00457
00458 if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
00459
00460 _current_company = old;
00461
00462 MarkWholeScreenDirty();
00463 }
00464
00465 static void ChangeNetworkOwner(Owner current_owner, Owner new_owner)
00466 {
00467 #ifdef ENABLE_NETWORK
00468 if (!_networking) return;
00469
00470 if (current_owner == _local_company) {
00471 SetLocalCompany(new_owner);
00472 }
00473
00474 if (!_network_server) return;
00475
00476 NetworkServerChangeOwner(current_owner, new_owner);
00477 #endif
00478 }
00479
00480 static void CompanyCheckBankrupt(Company *c)
00481 {
00482
00483 if (c->money >= 0) {
00484 c->quarters_of_bankruptcy = 0;
00485 c->bankrupt_asked = 0;
00486 return;
00487 }
00488
00489 c->quarters_of_bankruptcy++;
00490
00491 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00492 cni->FillData(c);
00493
00494 switch (c->quarters_of_bankruptcy) {
00495 case 0:
00496 case 1:
00497 free(cni);
00498 break;
00499
00500 case 2:
00501 SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
00502 SetDParam(1, STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION);
00503 SetDParamStr(2, cni->company_name);
00504 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_TROUBLE, cni);
00505 AI::BroadcastNewEvent(new AIEventCompanyInTrouble(c->index));
00506 break;
00507 case 3: {
00508
00509
00510 Money val = CalculateCompanyValue(c);
00511 if (val > 0) {
00512 c->bankrupt_value = val;
00513 c->bankrupt_asked = 1 << c->index;
00514 c->bankrupt_timeout = 0;
00515 free(cni);
00516 break;
00517 }
00518
00519 }
00520 default:
00521 case 4:
00522 if (!_networking && _local_company == c->index) {
00523
00524
00525
00526
00527 c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00528 free(cni);
00529 break;
00530 }
00531
00532
00533 DeleteCompanyWindows(c->index);
00534
00535
00536 SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
00537 SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
00538 SetDParamStr(2, cni->company_name);
00539 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
00540
00541
00542 ChangeNetworkOwner(c->index, COMPANY_SPECTATOR);
00543 ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
00544
00545 if (c->is_ai) AI::Stop(c->index);
00546
00547 CompanyID c_index = c->index;
00548 delete c;
00549 AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
00550 }
00551 }
00552
00553 static void CompaniesGenStatistics()
00554 {
00555 Station *st;
00556 Company *c;
00557
00558 FOR_ALL_STATIONS(st) {
00559 _current_company = st->owner;
00560 CommandCost cost(EXPENSES_PROPERTY, _price[PR_STATION_VALUE] >> 1);
00561 SubtractMoneyFromCompany(cost);
00562 }
00563
00564 if (!HasBit(1 << 0 | 1 << 3 | 1 << 6 | 1 << 9, _cur_month))
00565 return;
00566
00567 FOR_ALL_COMPANIES(c) {
00568 memmove(&c->old_economy[1], &c->old_economy[0], sizeof(c->old_economy) - sizeof(c->old_economy[0]));
00569 c->old_economy[0] = c->cur_economy;
00570 memset(&c->cur_economy, 0, sizeof(c->cur_economy));
00571
00572 if (c->num_valid_stat_ent != MAX_HISTORY_MONTHS) c->num_valid_stat_ent++;
00573
00574 UpdateCompanyRatingAndValue(c, true);
00575 if (c->block_preview != 0) c->block_preview--;
00576 CompanyCheckBankrupt(c);
00577 }
00578
00579 SetWindowDirty(WC_INCOME_GRAPH, 0);
00580 SetWindowDirty(WC_OPERATING_PROFIT, 0);
00581 SetWindowDirty(WC_DELIVERED_CARGO, 0);
00582 SetWindowDirty(WC_PERFORMANCE_HISTORY, 0);
00583 SetWindowDirty(WC_COMPANY_VALUE, 0);
00584 SetWindowDirty(WC_COMPANY_LEAGUE, 0);
00585 }
00586
00591 void AddInflation(bool check_year)
00592 {
00593
00594
00595
00596
00597
00598
00599
00600
00601
00602
00603
00604
00605
00606
00607
00608 if (check_year && (_cur_year - _settings_game.game_creation.starting_year) >= (ORIGINAL_MAX_YEAR - ORIGINAL_BASE_YEAR)) return;
00609
00610
00611
00612
00613
00614
00615 _economy.inflation_prices += min((_economy.inflation_prices * _economy.infl_amount * 54) >> 16, MAX_INFLATION);
00616 _economy.inflation_payment += min((_economy.inflation_payment * _economy.infl_amount_pr * 54) >> 16, MAX_INFLATION);
00617 }
00618
00622 void RecomputePrices()
00623 {
00624
00625 _economy.max_loan = (_settings_game.difficulty.max_loan * _economy.inflation_prices >> 16) / 50000 * 50000;
00626
00627
00628 for (Price i = PR_BEGIN; i < PR_END; i++) {
00629 Money price = _price_base_specs[i].start_price;
00630
00631
00632 uint mod = 1;
00633 switch (_price_base_specs[i].category) {
00634 case PCAT_RUNNING:
00635 mod = _settings_game.difficulty.vehicle_costs;
00636 break;
00637
00638 case PCAT_CONSTRUCTION:
00639 mod = _settings_game.difficulty.construction_cost;
00640 break;
00641
00642 default: break;
00643 }
00644 if (mod < 1) {
00645 price = price * 3 >> 2;
00646 } else if (mod > 1) {
00647 price = price * 9 >> 3;
00648 }
00649
00650
00651 price = (int64)price * _economy.inflation_prices;
00652
00653
00654 int shift = _price_base_multiplier[i] - 16;
00655 if (shift >= 0) {
00656 price <<= shift;
00657 } else {
00658 price >>= -shift;
00659 }
00660
00661
00662 _price[i] = price;
00663 }
00664
00665
00666 CargoSpec *cs;
00667 FOR_ALL_CARGOSPECS(cs) {
00668 cs->current_payment = ((int64)cs->initial_payment * _economy.inflation_payment) >> 16;
00669 }
00670
00671 SetWindowClassesDirty(WC_BUILD_VEHICLE);
00672 SetWindowClassesDirty(WC_REPLACE_VEHICLE);
00673 SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00674 SetWindowDirty(WC_PAYMENT_RATES, 0);
00675 }
00676
00677 static void CompaniesPayInterest()
00678 {
00679 const Company *c;
00680
00681 FOR_ALL_COMPANIES(c) {
00682 _current_company = c->index;
00683
00684
00685
00686
00687
00688
00689
00690
00691
00692 Money yearly_fee = c->current_loan * _economy.interest_rate / 100;
00693 Money up_to_previous_month = yearly_fee * _cur_month / 12;
00694 Money up_to_this_month = yearly_fee * (_cur_month + 1) / 12;
00695
00696 SubtractMoneyFromCompany(CommandCost(EXPENSES_LOAN_INT, up_to_this_month - up_to_previous_month));
00697
00698 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, _price[PR_STATION_VALUE] >> 2));
00699 }
00700 }
00701
00702 static void HandleEconomyFluctuations()
00703 {
00704 if (_settings_game.difficulty.economy != 0) {
00705
00706 _economy.fluct--;
00707 } else if (_economy.fluct <= 0) {
00708
00709 _economy.fluct = -12;
00710 } else {
00711
00712 return;
00713 }
00714
00715 if (_economy.fluct == 0) {
00716 _economy.fluct = -(int)GB(Random(), 0, 2);
00717 AddNewsItem(STR_NEWS_BEGIN_OF_RECESSION, NS_ECONOMY);
00718 } else if (_economy.fluct == -12) {
00719 _economy.fluct = GB(Random(), 0, 8) + 312;
00720 AddNewsItem(STR_NEWS_END_OF_RECESSION, NS_ECONOMY);
00721 }
00722 }
00723
00724
00728 void ResetPriceBaseMultipliers()
00729 {
00730 memset(_price_base_multiplier, 0, sizeof(_price_base_multiplier));
00731 }
00732
00740 void SetPriceBaseMultiplier(Price price, int factor)
00741 {
00742 assert(price < PR_END);
00743 _price_base_multiplier[price] = Clamp(factor, MIN_PRICE_MODIFIER, MAX_PRICE_MODIFIER);
00744 }
00745
00750 void StartupIndustryDailyChanges(bool init_counter)
00751 {
00752 uint map_size = MapLogX() + MapLogY();
00753
00754
00755
00756
00757
00758
00759 _economy.industry_daily_increment = (1 << map_size) / 31;
00760
00761 if (init_counter) {
00762
00763 _economy.industry_daily_change_counter = 0;
00764 }
00765 }
00766
00767 void StartupEconomy()
00768 {
00769 _economy.interest_rate = _settings_game.difficulty.initial_interest;
00770 _economy.infl_amount = _settings_game.difficulty.initial_interest;
00771 _economy.infl_amount_pr = max(0, _settings_game.difficulty.initial_interest - 1);
00772 _economy.fluct = GB(Random(), 0, 8) + 168;
00773
00774
00775 RecomputePrices();
00776
00777 StartupIndustryDailyChanges(true);
00778
00779 }
00780
00784 void InitializeEconomy()
00785 {
00786 _economy.inflation_prices = _economy.inflation_payment = 1 << 16;
00787 }
00788
00797 Money GetPrice(Price index, uint cost_factor, const GRFFile *grf_file, int shift)
00798 {
00799 if (index >= PR_END) return 0;
00800
00801 Money cost = _price[index] * cost_factor;
00802 if (grf_file != NULL) shift += grf_file->price_base_multipliers[index];
00803
00804 if (shift >= 0) {
00805 cost <<= shift;
00806 } else {
00807 cost >>= -shift;
00808 }
00809
00810 return cost;
00811 }
00812
00813 Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
00814 {
00815 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00816 if (!cs->IsValid()) {
00817
00818 return 0;
00819 }
00820
00821
00822 if (HasBit(cs->callback_mask, CBM_CARGO_PROFIT_CALC)) {
00823 uint32 var18 = min(dist, 0xFFFF) | (min(num_pieces, 0xFF) << 16) | (transit_days << 24);
00824 uint16 callback = GetCargoCallback(CBID_CARGO_PROFIT_CALC, 0, var18, cs);
00825 if (callback != CALLBACK_FAILED) {
00826 int result = GB(callback, 0, 14);
00827
00828
00829 if (HasBit(callback, 14)) result -= 0x4000;
00830
00831
00832
00833
00834 return result * num_pieces * cs->current_payment / 8192;
00835 }
00836 }
00837
00838 static const int MIN_TIME_FACTOR = 31;
00839 static const int MAX_TIME_FACTOR = 255;
00840
00841 const int days1 = cs->transit_days[0];
00842 const int days2 = cs->transit_days[1];
00843 const int days_over_days1 = max( transit_days - days1, 0);
00844 const int days_over_days2 = max(days_over_days1 - days2, 0);
00845
00846
00847
00848
00849
00850
00851
00852
00853
00854
00855
00856 const int time_factor = max(MAX_TIME_FACTOR - days_over_days1 - days_over_days2, MIN_TIME_FACTOR);
00857
00858 return BigMulS(dist * time_factor * num_pieces, cs->current_payment, 21);
00859 }
00860
00862 static SmallIndustryList _cargo_delivery_destinations;
00863
00873 static uint DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, uint num_pieces, IndustryID source)
00874 {
00875
00876
00877
00878
00879
00880
00881
00882 uint accepted = 0;
00883
00884 for (uint i = 0; i < st->industries_near.Length() && num_pieces != 0; i++) {
00885 Industry *ind = st->industries_near[i];
00886 if (ind->index == source) continue;
00887
00888 const IndustrySpec *indspec = GetIndustrySpec(ind->type);
00889
00890 uint cargo_index;
00891 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00892 if (cargo_type == ind->accepts_cargo[cargo_index]) break;
00893 }
00894
00895 if (cargo_index >= lengthof(ind->accepts_cargo)) continue;
00896
00897
00898 if (HasBit(indspec->callback_mask, CBM_IND_REFUSE_CARGO)) {
00899 uint16 res = GetIndustryCallback(CBID_INDUSTRY_REFUSE_CARGO, 0, GetReverseCargoTranslation(cargo_type, indspec->grf_prop.grffile), ind, ind->type, ind->location.tile);
00900 if (res == 0) continue;
00901 }
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 CompanyID old_company = _current_company;
01019 _current_company = this->front->owner;
01020
01021 SubtractMoneyFromCompany(CommandCost(this->front->GetExpenseType(true), -this->route_profit));
01022 this->front->profit_this_year += this->visual_profit << 8;
01023
01024 if (this->route_profit != 0) {
01025 if (IsLocalCompany() && !PlayVehicleSound(this->front, VSE_LOAD_UNLOAD)) {
01026 SndPlayVehicleFx(SND_14_CASHTILL, this->front);
01027 }
01028
01029 ShowCostOrIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, -this->visual_profit);
01030 } else {
01031 ShowFeederIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, this->visual_profit);
01032 }
01033
01034 _current_company = old_company;
01035 }
01036
01042 void CargoPayment::PayFinalDelivery(const CargoPacket *cp, uint count)
01043 {
01044 if (this->owner == NULL) {
01045 this->owner = Company::Get(this->front->owner);
01046 }
01047
01048
01049 Money profit = DeliverGoods(count, this->ct, this->current_station, cp->SourceStationXY(), cp->DaysInTransit(), this->owner, cp->SourceSubsidyType(), cp->SourceSubsidyID());
01050 this->route_profit += profit;
01051
01052
01053 this->visual_profit += profit - cp->FeederShare();
01054 }
01055
01062 Money CargoPayment::PayTransfer(const CargoPacket *cp, uint count)
01063 {
01064 Money profit = GetTransportedGoodsIncome(
01065 count,
01066
01067 DistanceManhattan(cp->LoadedAtXY(), Station::Get(this->current_station)->xy),
01068 cp->DaysInTransit(),
01069 this->ct);
01070
01071 profit = profit * _settings_game.economy.feeder_payment_share / 100;
01072
01073 this->visual_profit += profit;
01074 return profit;
01075 }
01076
01081 void PrepareUnload(Vehicle *front_v)
01082 {
01083
01084 ClrBit(front_v->vehicle_flags, VF_LOADING_FINISHED);
01085
01086
01087 front_v->time_counter = 1;
01088
01089 if ((front_v->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01090 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01091 if (v->cargo_cap > 0 && !v->cargo.Empty()) {
01092 SetBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01093 }
01094 }
01095 }
01096
01097 assert(front_v->cargo_payment == NULL);
01098 front_v->cargo_payment = new CargoPayment(front_v);
01099 }
01100
01109 static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
01110 {
01111 assert(v->current_order.IsType(OT_LOADING));
01112
01113 assert(v->time_counter != 0);
01114
01115
01116 if (--v->time_counter != 0) {
01117 if (_settings_game.order.improved_load && (v->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01118
01119 for (; v != NULL; v = v->Next()) {
01120 int cap_left = v->cargo_cap - v->cargo.Count();
01121 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01122 }
01123 }
01124 return;
01125 }
01126
01127 StationID last_visited = v->last_station_visited;
01128 Station *st = Station::Get(last_visited);
01129
01130 if (v->type == VEH_TRAIN && (!IsTileType(v->tile, MP_STATION) || GetStationIndex(v->tile) != st->index)) {
01131
01132
01133 SetBit(v->vehicle_flags, VF_LOADING_FINISHED);
01134 v->time_counter = 1;
01135 return;
01136 }
01137
01138 int unloading_time = 0;
01139 Vehicle *u = v;
01140 bool dirty_vehicle = false;
01141 bool dirty_station = false;
01142
01143 bool completely_emptied = true;
01144 bool anything_unloaded = false;
01145 bool anything_loaded = false;
01146 uint32 cargo_not_full = 0;
01147 uint32 cargo_full = 0;
01148
01149 v->cur_speed = 0;
01150
01151 CargoPayment *payment = v->cargo_payment;
01152
01153 for (; v != NULL; v = v->Next()) {
01154 if (v->cargo_cap == 0) continue;
01155
01156 const Engine *e = Engine::Get(v->engine_type);
01157 byte load_amount = e->info.load_amount;
01158
01159
01160 if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = (load_amount + 3) / 4;
01161
01162 if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
01163 uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
01164 if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
01165 }
01166
01167 GoodsEntry *ge = &st->goods[v->cargo_type];
01168
01169 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING) && (u->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01170 uint cargo_count = v->cargo.Count();
01171 uint amount_unloaded = _settings_game.order.gradual_loading ? min(cargo_count, load_amount) : cargo_count;
01172 bool remaining = false;
01173 bool accepted = false;
01174
01175 payment->SetCargo(v->cargo_type);
01176
01177 if (HasBit(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE) && !(u->current_order.GetUnloadType() & OUFB_TRANSFER)) {
01178
01179 remaining = v->cargo.MoveTo<StationCargoList>(NULL, amount_unloaded, VehicleCargoList::MTA_FINAL_DELIVERY, payment, last_visited);
01180
01181 dirty_vehicle = true;
01182 accepted = true;
01183 }
01184
01185
01186
01187
01188
01189
01190 if ((u->current_order.GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) && (!accepted || v->cargo.Count() == cargo_count)) {
01191 remaining = v->cargo.MoveTo(&ge->cargo, amount_unloaded, u->current_order.GetUnloadType() & OUFB_TRANSFER ? VehicleCargoList::MTA_TRANSFER : VehicleCargoList::MTA_UNLOAD, payment);
01192 SetBit(ge->acceptance_pickup, GoodsEntry::PICKUP);
01193
01194 dirty_vehicle = dirty_station = true;
01195 } else if (!accepted) {
01196
01197
01198 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01199
01200
01201
01202
01203
01204 anything_unloaded = true;
01205 continue;
01206 }
01207
01208
01209 st->time_since_unload = 0;
01210
01211 unloading_time += amount_unloaded;
01212
01213 anything_unloaded = true;
01214 if (_settings_game.order.gradual_loading && remaining) {
01215 completely_emptied = false;
01216 } else {
01217
01218 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01219 }
01220
01221 continue;
01222 }
01223
01224
01225 if (u->current_order.GetLoadType() & OLFB_NO_LOAD) continue;
01226
01227
01228 int t;
01229 switch (u->type) {
01230 case VEH_TRAIN: t = Train::From(u)->tcache.cached_max_speed; break;
01231 case VEH_ROAD: t = u->max_speed / 2; break;
01232 case VEH_SHIP: t = u->max_speed; break;
01233 case VEH_AIRCRAFT: t = u->max_speed * 10 / 129; break;
01234 default: NOT_REACHED();
01235 }
01236
01237
01238 ge->last_speed = min(t, 255);
01239 ge->last_age = _cur_year - u->build_year;
01240 ge->days_since_pickup = 0;
01241
01242
01243
01244 int cap_left = v->cargo_cap - v->cargo.Count();
01245 if (!ge->cargo.Empty() && cap_left > 0) {
01246 uint cap = cap_left;
01247 uint count = ge->cargo.Count();
01248
01249
01250
01251 if (_settings_game.order.improved_load && cargo_left[v->cargo_type] <= 0) {
01252 SetBit(cargo_not_full, v->cargo_type);
01253 continue;
01254 }
01255
01256 if (cap > count) cap = count;
01257 if (_settings_game.order.gradual_loading) cap = min(cap, load_amount);
01258 if (_settings_game.order.improved_load) {
01259
01260 cap = min((uint)cargo_left[v->cargo_type], cap);
01261 cargo_left[v->cargo_type] -= cap;
01262 }
01263
01264 if (v->cargo.Empty()) TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
01265
01266
01267
01268
01269
01270
01271
01272
01273 completely_emptied = false;
01274 anything_loaded = true;
01275
01276 ge->cargo.MoveTo(&v->cargo, cap, StationCargoList::MTA_CARGO_LOAD, NULL, st->xy);
01277
01278 st->time_since_load = 0;
01279 st->last_vehicle_type = v->type;
01280
01281 StationAnimationTrigger(st, st->xy, STAT_ANIM_CARGO_TAKEN, v->cargo_type);
01282
01283 unloading_time += cap;
01284
01285 dirty_vehicle = dirty_station = true;
01286 }
01287
01288 if (v->cargo.Count() >= v->cargo_cap) {
01289 SetBit(cargo_full, v->cargo_type);
01290 } else {
01291 SetBit(cargo_not_full, v->cargo_type);
01292 }
01293 }
01294
01295
01296 completely_emptied &= anything_unloaded;
01297
01298
01299
01300
01301
01302 if (_settings_game.order.improved_load && (u->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01303
01304 for (v = u; v != NULL; v = v->Next()) {
01305 int cap_left = v->cargo_cap - v->cargo.Count();
01306 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01307 }
01308 }
01309
01310 v = u;
01311
01312 if (!anything_unloaded) delete payment;
01313
01314 if (anything_loaded || anything_unloaded) {
01315 if (_settings_game.order.gradual_loading) {
01316
01317
01318 const uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
01319
01320 unloading_time = gradual_loading_wait_time[v->type];
01321 }
01322 } else {
01323 bool finished_loading = true;
01324 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) {
01325 if (v->current_order.GetLoadType() == OLF_FULL_LOAD_ANY) {
01326
01327
01328 if ((v->type == VEH_AIRCRAFT && IsCargoInClass(v->cargo_type, CC_PASSENGERS) && v->cargo_cap > v->cargo.Count()) ||
01329 (cargo_not_full && (cargo_full & ~cargo_not_full) == 0)) {
01330 finished_loading = false;
01331 }
01332 } else if (cargo_not_full != 0) {
01333 finished_loading = false;
01334 }
01335 }
01336 unloading_time = 20;
01337
01338 SB(v->vehicle_flags, VF_LOADING_FINISHED, 1, finished_loading);
01339 }
01340
01341 if (v->type == VEH_TRAIN) {
01342
01343 int overhang = Train::From(v)->tcache.cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
01344 if (overhang > 0) {
01345 unloading_time <<= 1;
01346 unloading_time += (overhang * unloading_time) / 8;
01347 }
01348 }
01349
01350
01351
01352
01353
01354
01355
01356 if (_game_mode != GM_MENU && (_settings_client.gui.loading_indicators > (uint)(v->owner != _local_company && _local_company != COMPANY_SPECTATOR))) {
01357 StringID percent_up_down = STR_NULL;
01358 int percent = CalcPercentVehicleFilled(v, &percent_up_down);
01359 if (v->fill_percent_te_id == INVALID_TE_ID) {
01360 v->fill_percent_te_id = ShowFillingPercent(v->x_pos, v->y_pos, v->z_pos + 20, percent, percent_up_down);
01361 } else {
01362 UpdateFillingPercent(v->fill_percent_te_id, percent, percent_up_down);
01363 }
01364 }
01365
01366
01367 v->time_counter = max(1, unloading_time);
01368
01369 if (completely_emptied) {
01370 TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
01371 }
01372
01373 if (dirty_vehicle) {
01374 SetWindowDirty(GetWindowClassForVehicleType(v->type), v->owner);
01375 SetWindowDirty(WC_VEHICLE_DETAILS, v->index);
01376 v->MarkDirty();
01377 }
01378 if (dirty_station) {
01379 st->MarkTilesDirty(true);
01380 SetWindowDirty(WC_STATION_VIEW, last_visited);
01381 }
01382 }
01383
01389 void LoadUnloadStation(Station *st)
01390 {
01391
01392 if (st->loading_vehicles.empty()) return;
01393
01394 int cargo_left[NUM_CARGO];
01395
01396 for (uint i = 0; i < NUM_CARGO; i++) cargo_left[i] = st->goods[i].cargo.Count();
01397
01398 std::list<Vehicle *>::iterator iter;
01399 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01400 Vehicle *v = *iter;
01401 if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) LoadUnloadVehicle(v, cargo_left);
01402 }
01403
01404
01405 const Industry * const *isend = _cargo_delivery_destinations.End();
01406 for (Industry **iid = _cargo_delivery_destinations.Begin(); iid != isend; iid++) {
01407 TriggerIndustryProduction(*iid);
01408 }
01409 _cargo_delivery_destinations.Clear();
01410 }
01411
01412 void CompaniesMonthlyLoop()
01413 {
01414 CompaniesGenStatistics();
01415 if (_settings_game.economy.inflation) {
01416 AddInflation();
01417 RecomputePrices();
01418 }
01419 CompaniesPayInterest();
01420
01421 _current_company = OWNER_NONE;
01422 HandleEconomyFluctuations();
01423 }
01424
01425 static void DoAcquireCompany(Company *c)
01426 {
01427 Company *owner;
01428 int i;
01429 Money value;
01430 CompanyID ci = c->index;
01431
01432 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
01433 cni->FillData(c, Company::Get(_current_company));
01434
01435 SetDParam(0, STR_NEWS_COMPANY_MERGER_TITLE);
01436 SetDParam(1, c->bankrupt_value == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION);
01437 SetDParamStr(2, cni->company_name);
01438 SetDParamStr(3, cni->other_company_name);
01439 SetDParam(4, c->bankrupt_value);
01440 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_MERGER, cni);
01441 AI::BroadcastNewEvent(new AIEventCompanyMerger(ci, _current_company));
01442
01443
01444 ChangeNetworkOwner(ci, _current_company);
01445 ChangeOwnershipOfCompanyItems(ci, _current_company);
01446
01447 if (c->bankrupt_value == 0) {
01448 owner = Company::Get(_current_company);
01449 owner->current_loan += c->current_loan;
01450 }
01451
01452 value = CalculateCompanyValue(c) >> 2;
01453 CompanyID old_company = _current_company;
01454 for (i = 0; i != 4; i++) {
01455 if (c->share_owners[i] != COMPANY_SPECTATOR) {
01456 _current_company = c->share_owners[i];
01457 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, -value));
01458 }
01459 }
01460 _current_company = old_company;
01461
01462 if (c->is_ai) AI::Stop(c->index);
01463
01464 DeleteCompanyWindows(ci);
01465 InvalidateWindowClassesData(WC_TRAINS_LIST, 0);
01466 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
01467 InvalidateWindowClassesData(WC_ROADVEH_LIST, 0);
01468 InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
01469
01470 delete c;
01471 }
01472
01473 extern int GetAmountOwnedBy(const Company *c, Owner owner);
01474
01483 CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01484 {
01485 CommandCost cost(EXPENSES_OTHER);
01486
01487 Company *c = Company::GetIfValid(p1);
01488
01489
01490
01491 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == (CompanyID)p1) return CMD_ERROR;
01492
01493
01494 if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
01495
01496
01497 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 0) return cost;
01498
01499
01500 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 1 && !c->is_ai) return cost;
01501
01502 cost.AddCost(CalculateCompanyValue(c) >> 2);
01503 if (flags & DC_EXEC) {
01504 OwnerByte *b = c->share_owners;
01505 int i;
01506
01507 while (*b != COMPANY_SPECTATOR) b++;
01508 *b = _current_company;
01509
01510 for (i = 0; c->share_owners[i] == _current_company;) {
01511 if (++i == 4) {
01512 c->bankrupt_value = 0;
01513 DoAcquireCompany(c);
01514 break;
01515 }
01516 }
01517 SetWindowDirty(WC_COMPANY, p1);
01518 }
01519 return cost;
01520 }
01521
01530 CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01531 {
01532 Company *c = Company::GetIfValid(p1);
01533
01534
01535
01536 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == (CompanyID)p1) return CMD_ERROR;
01537
01538
01539 if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
01540
01541
01542 Money cost = CalculateCompanyValue(c) >> 2;
01543 cost = -(cost - (cost >> 7));
01544
01545 if (flags & DC_EXEC) {
01546 OwnerByte *b = c->share_owners;
01547 while (*b != _current_company) b++;
01548 *b = COMPANY_SPECTATOR;
01549 SetWindowDirty(WC_COMPANY, p1);
01550 }
01551 return CommandCost(EXPENSES_OTHER, cost);
01552 }
01553
01565 CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01566 {
01567 Company *c = Company::GetIfValid(p1);
01568 if (c == NULL) return CMD_ERROR;
01569
01570
01571 if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
01572
01573
01574 if (!_networking && _local_company == c->index) return CMD_ERROR;
01575
01576
01577 if ((CompanyID)p1 == _current_company) return CMD_ERROR;
01578
01579
01580 CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);
01581
01582 if (flags & DC_EXEC) {
01583 DoAcquireCompany(c);
01584 }
01585 return cost;
01586 }