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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 #include "infrastructure_func.h"
00050 #include "cheat_type.h"
00051
00052 #include "table/strings.h"
00053 #include "table/pricebase.h"
00054
00055
00056
00057 CargoPaymentPool _cargo_payment_pool("CargoPayment");
00058 INSTANTIATE_POOL_METHODS(CargoPayment)
00059
00060
00071 static inline int32 BigMulS(const int32 a, const int32 b, const uint8 shift)
00072 {
00073 return (int32)((int64)a * (int64)b >> shift);
00074 }
00075
00076 typedef SmallVector<Industry *, 16> SmallIndustryList;
00077
00081 const ScoreInfo _score_info[] = {
00082 { 120, 100},
00083 { 80, 100},
00084 { 10000, 100},
00085 { 50000, 50},
00086 { 100000, 100},
00087 { 40000, 400},
00088 { 8, 50},
00089 {10000000, 50},
00090 { 250000, 50},
00091 { 0, 0}
00092 };
00093
00094 int _score_part[MAX_COMPANIES][SCORE_END];
00095 Economy _economy;
00096 Prices _price;
00097 Money _additional_cash_required;
00098 static PriceMultipliers _price_base_multiplier;
00099
00109 Money CalculateCompanyValue(const Company *c, bool including_loan)
00110 {
00111 Owner owner = c->index;
00112
00113 Station *st;
00114 uint num = 0;
00115
00116 FOR_ALL_STATIONS(st) {
00117 if (st->owner == owner) num += CountBits((byte)st->facilities);
00118 }
00119
00120 Money value = num * _price[PR_STATION_VALUE] * 25;
00121
00122 Vehicle *v;
00123 FOR_ALL_VEHICLES(v) {
00124 if (v->owner != owner) continue;
00125
00126 if (v->type == VEH_TRAIN ||
00127 v->type == VEH_ROAD ||
00128 (v->type == VEH_AIRCRAFT && Aircraft::From(v)->IsNormalAircraft()) ||
00129 v->type == VEH_SHIP) {
00130 value += v->value * 3 >> 1;
00131 }
00132 }
00133
00134
00135 if (including_loan) value -= c->current_loan;
00136 value += c->money;
00137
00138 return max(value, (Money)1);
00139 }
00140
00149 int UpdateCompanyRatingAndValue(Company *c, bool update)
00150 {
00151 Owner owner = c->index;
00152 int score = 0;
00153
00154 memset(_score_part[owner], 0, sizeof(_score_part[owner]));
00155
00156
00157 {
00158 Vehicle *v;
00159 Money min_profit = 0;
00160 bool min_profit_first = true;
00161 uint num = 0;
00162
00163 FOR_ALL_VEHICLES(v) {
00164 if (v->owner != owner) continue;
00165 if (IsCompanyBuildableVehicleType(v->type) && v->IsPrimaryVehicle()) {
00166 if (v->profit_last_year > 0) num++;
00167 if (v->age > 730) {
00168
00169 if (min_profit_first || min_profit > v->profit_last_year) {
00170 min_profit = v->profit_last_year;
00171 min_profit_first = false;
00172 }
00173 }
00174 }
00175 }
00176
00177 min_profit >>= 8;
00178
00179 _score_part[owner][SCORE_VEHICLES] = num;
00180
00181 if (min_profit > 0) {
00182 _score_part[owner][SCORE_MIN_PROFIT] = ClampToI32(min_profit);
00183 }
00184 }
00185
00186
00187 {
00188 uint num = 0;
00189 const Station *st;
00190
00191 FOR_ALL_STATIONS(st) {
00192
00193 if (st->owner == owner && (st->time_since_load <= 20 || st->time_since_unload <= 20)) num += CountBits((byte)st->facilities);
00194 }
00195 _score_part[owner][SCORE_STATIONS] = num;
00196 }
00197
00198
00199 {
00200 int numec = min(c->num_valid_stat_ent, 12);
00201 if (numec != 0) {
00202 const CompanyEconomyEntry *cee = c->old_economy;
00203 Money min_income = cee->income + cee->expenses;
00204 Money max_income = cee->income + cee->expenses;
00205
00206 do {
00207 min_income = min(min_income, cee->income + cee->expenses);
00208 max_income = max(max_income, cee->income + cee->expenses);
00209 } while (++cee, --numec);
00210
00211 if (min_income > 0) {
00212 _score_part[owner][SCORE_MIN_INCOME] = ClampToI32(min_income);
00213 }
00214
00215 _score_part[owner][SCORE_MAX_INCOME] = ClampToI32(max_income);
00216 }
00217 }
00218
00219
00220 {
00221 const CompanyEconomyEntry *cee;
00222 int numec;
00223 uint32 total_delivered;
00224
00225 numec = min(c->num_valid_stat_ent, 4);
00226 if (numec != 0) {
00227 cee = c->old_economy;
00228 total_delivered = 0;
00229 do {
00230 total_delivered += cee->delivered_cargo;
00231 } while (++cee, --numec);
00232
00233 _score_part[owner][SCORE_DELIVERED] = total_delivered;
00234 }
00235 }
00236
00237
00238 {
00239 uint num = CountBits(c->cargo_types);
00240 _score_part[owner][SCORE_CARGO] = num;
00241 if (update) c->cargo_types = 0;
00242 }
00243
00244
00245 {
00246 if (c->money > 0) {
00247 _score_part[owner][SCORE_MONEY] = ClampToI32(c->money);
00248 }
00249 }
00250
00251
00252 {
00253 _score_part[owner][SCORE_LOAN] = ClampToI32(_score_info[SCORE_LOAN].needed - c->current_loan);
00254 }
00255
00256
00257 {
00258 int total_score = 0;
00259 int s;
00260 score = 0;
00261 for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {
00262
00263 if (i == SCORE_TOTAL) continue;
00264
00265 s = Clamp(_score_part[owner][i], 0, _score_info[i].needed) * _score_info[i].score / _score_info[i].needed;
00266 score += s;
00267 total_score += _score_info[i].score;
00268 }
00269
00270 _score_part[owner][SCORE_TOTAL] = score;
00271
00272
00273 if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;
00274 }
00275
00276 if (update) {
00277 c->old_economy[0].performance_history = score;
00278 UpdateCompanyHQ(c->location_of_HQ, score);
00279 c->old_economy[0].company_value = CalculateCompanyValue(c);
00280 }
00281
00282 SetWindowDirty(WC_PERFORMANCE_DETAIL, 0);
00283 return score;
00284 }
00285
00291 void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
00292 {
00293
00294
00295
00296 Backup<CompanyByte> cur_company(_current_company, old_owner, FILE_LINE);
00297 #ifdef ENABLE_NETWORK
00298
00299 if (_networking) NetworkClientsToSpectators(old_owner);
00300 #endif
00301
00302 Town *t;
00303
00304 assert(old_owner != new_owner);
00305
00306 {
00307 Company *c;
00308 uint i;
00309
00310
00311 FOR_ALL_COMPANIES(c) {
00312 for (i = 0; i < 4; i++) {
00313 if (c->share_owners[i] == old_owner) {
00314
00315 CommandCost res = DoCommand(0, c->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00316
00317
00318 SubtractMoneyFromCompany(res);
00319 }
00320 }
00321 }
00322
00323
00324 Backup<CompanyByte> cur_company2(_current_company, FILE_LINE);
00325 c = Company::Get(old_owner);
00326 for (i = 0; i < 4; i++) {
00327 cur_company2.Change(c->share_owners[i]);
00328 if (_current_company != INVALID_OWNER) {
00329
00330 CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00331
00332
00333 SubtractMoneyFromCompany(res);
00334 }
00335 }
00336 cur_company2.Restore();
00337 }
00338
00339
00340
00341
00342 if (new_owner == INVALID_OWNER) {
00343 Company::Get(old_owner)->money = UINT64_MAX >> 2;
00344 }
00345
00346 Subsidy *s;
00347 FOR_ALL_SUBSIDIES(s) {
00348 if (s->awarded == old_owner) {
00349 if (new_owner == INVALID_OWNER) {
00350 delete s;
00351 } else {
00352 s->awarded = new_owner;
00353 }
00354 }
00355 }
00356 if (new_owner == INVALID_OWNER) RebuildSubsidisedSourceAndDestinationCache();
00357
00358
00359 FOR_ALL_TOWNS(t) {
00360
00361 if (new_owner != INVALID_OWNER) {
00362 if (HasBit(t->have_ratings, old_owner)) {
00363 if (HasBit(t->have_ratings, new_owner)) {
00364
00365 t->ratings[new_owner] = max(t->ratings[new_owner], t->ratings[old_owner]);
00366 } else {
00367 SetBit(t->have_ratings, new_owner);
00368 t->ratings[new_owner] = t->ratings[old_owner];
00369 }
00370 }
00371 }
00372
00373
00374 t->ratings[old_owner] = RATING_INITIAL;
00375 ClrBit(t->have_ratings, old_owner);
00376 }
00377
00378
00379 if (new_owner != INVALID_OWNER) {
00380 FreeUnitIDGenerator unitidgen[] = {
00381 FreeUnitIDGenerator(VEH_TRAIN, new_owner), FreeUnitIDGenerator(VEH_ROAD, new_owner),
00382 FreeUnitIDGenerator(VEH_SHIP, new_owner), FreeUnitIDGenerator(VEH_AIRCRAFT, new_owner)
00383 };
00384
00385 Vehicle *v;
00386 FOR_ALL_VEHICLES(v) {
00387 if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
00388 v->owner = new_owner;
00389 v->colourmap = PAL_NONE;
00390 if (v->IsEngineCountable()) Company::Get(new_owner)->num_engines[v->engine_type]++;
00391 if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
00392
00393
00394 if (v->cargo_payment != NULL) v->cargo_payment->owner = NULL;
00395 }
00396 }
00397 } else {
00398
00399
00400 HandleSharingCompanyDeletion(old_owner);
00401 }
00402
00403
00404 {
00405 TileIndex tile = 0;
00406 do {
00407 ChangeTileOwner(tile, old_owner, new_owner);
00408 } while (++tile != MapSize());
00409
00410 if (new_owner != INVALID_OWNER) {
00411
00412
00413
00414
00415 UpdateAllBlockSignals(new_owner);
00416 } else if (_settings_game.economy.infrastructure_sharing[VEH_TRAIN]) {
00417
00418
00419 UpdateAllBlockSignals();
00420 }
00421
00422
00423 UpdateSignalsInBuffer();
00424 }
00425
00426
00427 Station *st;
00428 FOR_ALL_STATIONS(st) {
00429 if (st->owner == old_owner) {
00430
00431
00432 st->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00433 }
00434 }
00435
00436
00437 Waypoint *wp;
00438 FOR_ALL_WAYPOINTS(wp) {
00439 if (wp->owner == old_owner) {
00440 wp->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00441 }
00442 }
00443
00444
00445
00446 RemoveAllEngineReplacementForCompany(Company::Get(old_owner));
00447
00448 if (new_owner == INVALID_OWNER) {
00449 RemoveAllGroupsForCompany(old_owner);
00450 } else {
00451 Group *g;
00452 FOR_ALL_GROUPS(g) {
00453 if (g->owner == old_owner) g->owner = new_owner;
00454 }
00455 }
00456
00457 Sign *si;
00458 FOR_ALL_SIGNS(si) {
00459 if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00460 }
00461
00462
00463 if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
00464
00465 cur_company.Restore();
00466
00467 MarkWholeScreenDirty();
00468 }
00469
00474 static void CompanyCheckBankrupt(Company *c)
00475 {
00476
00477 if (c->money >= 0) {
00478 c->quarters_of_bankruptcy = 0;
00479 c->bankrupt_asked = 0;
00480 return;
00481 }
00482
00483 c->quarters_of_bankruptcy++;
00484
00485 switch (c->quarters_of_bankruptcy) {
00486 case 0:
00487 case 1:
00488 break;
00489
00490 case 2: {
00491 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00492 cni->FillData(c);
00493 SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
00494 SetDParam(1, STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION);
00495 SetDParamStr(2, cni->company_name);
00496 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_TROUBLE, cni);
00497 AI::BroadcastNewEvent(new AIEventCompanyInTrouble(c->index));
00498 break;
00499 }
00500
00501 case 3: {
00502
00503
00504 Money val = CalculateCompanyValue(c, false);
00505 if (val > 0) {
00506 c->bankrupt_value = val;
00507 c->bankrupt_asked = 1 << c->index;
00508 c->bankrupt_timeout = 0;
00509 break;
00510 }
00511
00512 }
00513 default:
00514 case 4:
00515 if (!_networking && _local_company == c->index) {
00516
00517
00518
00519
00520 c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00521 break;
00522 }
00523
00524
00525
00526
00527
00528
00529
00530
00531
00532
00533 if (!_networking || _network_server) DoCommandP(0, 2 | (c->index << 16), 0, CMD_COMPANY_CTRL);
00534 break;
00535 }
00536 }
00537
00542 static void CompaniesGenStatistics()
00543 {
00544 Station *st;
00545
00546 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00547 FOR_ALL_STATIONS(st) {
00548 cur_company.Change(st->owner);
00549 CommandCost cost(EXPENSES_PROPERTY, _price[PR_STATION_VALUE] >> 1);
00550 SubtractMoneyFromCompany(cost);
00551 }
00552 cur_company.Restore();
00553
00554
00555 if (!HasBit(1 << 0 | 1 << 3 | 1 << 6 | 1 << 9, _cur_month)) return;
00556
00557 Company *c;
00558 FOR_ALL_COMPANIES(c) {
00559 memmove(&c->old_economy[1], &c->old_economy[0], sizeof(c->old_economy) - sizeof(c->old_economy[0]));
00560 c->old_economy[0] = c->cur_economy;
00561 memset(&c->cur_economy, 0, sizeof(c->cur_economy));
00562
00563 if (c->num_valid_stat_ent != MAX_HISTORY_QUARTERS) c->num_valid_stat_ent++;
00564
00565 UpdateCompanyRatingAndValue(c, true);
00566 if (c->block_preview != 0) c->block_preview--;
00567 CompanyCheckBankrupt(c);
00568 }
00569
00570 SetWindowDirty(WC_INCOME_GRAPH, 0);
00571 SetWindowDirty(WC_OPERATING_PROFIT, 0);
00572 SetWindowDirty(WC_DELIVERED_CARGO, 0);
00573 SetWindowDirty(WC_PERFORMANCE_HISTORY, 0);
00574 SetWindowDirty(WC_COMPANY_VALUE, 0);
00575 SetWindowDirty(WC_COMPANY_LEAGUE, 0);
00576 }
00577
00582 void AddInflation(bool check_year)
00583 {
00584
00585
00586
00587
00588
00589
00590
00591
00592
00593
00594
00595
00596
00597
00598
00599 if (check_year && (_cur_year - _settings_game.game_creation.starting_year) >= (ORIGINAL_MAX_YEAR - ORIGINAL_BASE_YEAR)) return;
00600
00601
00602
00603
00604
00605
00606 _economy.inflation_prices += min((_economy.inflation_prices * _economy.infl_amount * 54) >> 16, MAX_INFLATION);
00607 _economy.inflation_payment += min((_economy.inflation_payment * _economy.infl_amount_pr * 54) >> 16, MAX_INFLATION);
00608 }
00609
00613 void RecomputePrices()
00614 {
00615
00616 _economy.max_loan = (_settings_game.difficulty.max_loan * _economy.inflation_prices >> 16) / 50000 * 50000;
00617
00618
00619 for (Price i = PR_BEGIN; i < PR_END; i++) {
00620 Money price = _price_base_specs[i].start_price;
00621
00622
00623 uint mod = 1;
00624 switch (_price_base_specs[i].category) {
00625 case PCAT_RUNNING:
00626 mod = _settings_game.difficulty.vehicle_costs;
00627 break;
00628
00629 case PCAT_CONSTRUCTION:
00630 mod = _settings_game.difficulty.construction_cost;
00631 break;
00632
00633 default: break;
00634 }
00635 if (mod < 1) {
00636 price = price * 3 >> 2;
00637 } else if (mod > 1) {
00638 price = price * 9 >> 3;
00639 }
00640
00641
00642 price = (int64)price * _economy.inflation_prices;
00643
00644
00645 int shift = _price_base_multiplier[i] - 16;
00646 if (shift >= 0) {
00647 price <<= shift;
00648 } else {
00649 price >>= -shift;
00650 }
00651
00652
00653
00654
00655
00656
00657 if (price == 0) {
00658 price = Clamp(_price_base_specs[i].start_price, -1, 1);
00659
00660 assert(price != 0);
00661 }
00662
00663 _price[i] = price;
00664 }
00665
00666
00667 CargoSpec *cs;
00668 FOR_ALL_CARGOSPECS(cs) {
00669 cs->current_payment = ((int64)cs->initial_payment * _economy.inflation_payment) >> 16;
00670 }
00671
00672 SetWindowClassesDirty(WC_BUILD_VEHICLE);
00673 SetWindowClassesDirty(WC_REPLACE_VEHICLE);
00674 SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00675 InvalidateWindowData(WC_PAYMENT_RATES, 0);
00676 }
00677
00679 static void CompaniesPayInterest()
00680 {
00681 const Company *c;
00682
00683 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00684 FOR_ALL_COMPANIES(c) {
00685 cur_company.Change(c->index);
00686
00687
00688
00689
00690
00691
00692
00693
00694
00695 Money yearly_fee = c->current_loan * _economy.interest_rate / 100;
00696 Money up_to_previous_month = yearly_fee * _cur_month / 12;
00697 Money up_to_this_month = yearly_fee * (_cur_month + 1) / 12;
00698
00699 SubtractMoneyFromCompany(CommandCost(EXPENSES_LOAN_INT, up_to_this_month - up_to_previous_month));
00700
00701 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, _price[PR_STATION_VALUE] >> 2));
00702 }
00703 cur_company.Restore();
00704 }
00705
00706 static void HandleEconomyFluctuations()
00707 {
00708 if (_settings_game.difficulty.economy != 0) {
00709
00710 _economy.fluct--;
00711 } else if (EconomyIsInRecession()) {
00712
00713 _economy.fluct = -12;
00714 } else {
00715
00716 return;
00717 }
00718
00719 if (_economy.fluct == 0) {
00720 _economy.fluct = -(int)GB(Random(), 0, 2);
00721 AddNewsItem(STR_NEWS_BEGIN_OF_RECESSION, NS_ECONOMY);
00722 } else if (_economy.fluct == -12) {
00723 _economy.fluct = GB(Random(), 0, 8) + 312;
00724 AddNewsItem(STR_NEWS_END_OF_RECESSION, NS_ECONOMY);
00725 }
00726 }
00727
00728
00732 void ResetPriceBaseMultipliers()
00733 {
00734 memset(_price_base_multiplier, 0, sizeof(_price_base_multiplier));
00735 }
00736
00744 void SetPriceBaseMultiplier(Price price, int factor)
00745 {
00746 assert(price < PR_END);
00747 _price_base_multiplier[price] = Clamp(factor, MIN_PRICE_MODIFIER, MAX_PRICE_MODIFIER);
00748 }
00749
00754 void StartupIndustryDailyChanges(bool init_counter)
00755 {
00756 uint map_size = MapLogX() + MapLogY();
00757
00758
00759
00760
00761
00762
00763 _economy.industry_daily_increment = (1 << map_size) / 31;
00764
00765 if (init_counter) {
00766
00767 _economy.industry_daily_change_counter = 0;
00768 }
00769 }
00770
00771 void StartupEconomy()
00772 {
00773 _economy.interest_rate = _settings_game.difficulty.initial_interest;
00774 _economy.infl_amount = _settings_game.difficulty.initial_interest;
00775 _economy.infl_amount_pr = max(0, _settings_game.difficulty.initial_interest - 1);
00776 _economy.fluct = GB(Random(), 0, 8) + 168;
00777
00778
00779 RecomputePrices();
00780
00781 StartupIndustryDailyChanges(true);
00782
00783 }
00784
00788 void InitializeEconomy()
00789 {
00790 _economy.inflation_prices = _economy.inflation_payment = 1 << 16;
00791 }
00792
00801 Money GetPrice(Price index, uint cost_factor, const GRFFile *grf_file, int shift)
00802 {
00803 if (index >= PR_END) return 0;
00804
00805 Money cost = _price[index] * cost_factor;
00806 if (grf_file != NULL) shift += grf_file->price_base_multipliers[index];
00807
00808 if (shift >= 0) {
00809 cost <<= shift;
00810 } else {
00811 cost >>= -shift;
00812 }
00813
00814 return cost;
00815 }
00816
00817 Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
00818 {
00819 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00820 if (!cs->IsValid()) {
00821
00822 return 0;
00823 }
00824
00825
00826 if (HasBit(cs->callback_mask, CBM_CARGO_PROFIT_CALC)) {
00827 uint32 var18 = min(dist, 0xFFFF) | (min(num_pieces, 0xFF) << 16) | (transit_days << 24);
00828 uint16 callback = GetCargoCallback(CBID_CARGO_PROFIT_CALC, 0, var18, cs);
00829 if (callback != CALLBACK_FAILED) {
00830 int result = GB(callback, 0, 14);
00831
00832
00833 if (HasBit(callback, 14)) result -= 0x4000;
00834
00835
00836
00837
00838 return result * num_pieces * cs->current_payment / 8192;
00839 }
00840 }
00841
00842 static const int MIN_TIME_FACTOR = 31;
00843 static const int MAX_TIME_FACTOR = 255;
00844
00845 const int days1 = cs->transit_days[0];
00846 const int days2 = cs->transit_days[1];
00847 const int days_over_days1 = max( transit_days - days1, 0);
00848 const int days_over_days2 = max(days_over_days1 - days2, 0);
00849
00850
00851
00852
00853
00854
00855
00856
00857
00858
00859
00860 const int time_factor = max(MAX_TIME_FACTOR - days_over_days1 - days_over_days2, MIN_TIME_FACTOR);
00861
00862 return BigMulS(dist * time_factor * num_pieces, cs->current_payment, 21);
00863 }
00864
00866 static SmallIndustryList _cargo_delivery_destinations;
00867
00877 static uint DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, uint num_pieces, IndustryID source)
00878 {
00879
00880
00881
00882
00883
00884
00885
00886 uint accepted = 0;
00887
00888 for (uint i = 0; i < st->industries_near.Length() && num_pieces != 0; i++) {
00889 Industry *ind = st->industries_near[i];
00890 if (ind->index == source) continue;
00891
00892 uint cargo_index;
00893 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00894 if (cargo_type == ind->accepts_cargo[cargo_index]) break;
00895 }
00896
00897 if (cargo_index >= lengthof(ind->accepts_cargo)) continue;
00898
00899
00900 if (IndustryTemporarilyRefusesCargo(ind, cargo_type)) continue;
00901
00902
00903 _cargo_delivery_destinations.Include(ind);
00904
00905 uint amount = min(num_pieces, 0xFFFFU - ind->incoming_cargo_waiting[cargo_index]);
00906 ind->incoming_cargo_waiting[cargo_index] += amount;
00907 num_pieces -= amount;
00908 accepted += amount;
00909 }
00910
00911 return accepted;
00912 }
00913
00927 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)
00928 {
00929 assert(num_pieces > 0);
00930
00931 Station *st = Station::Get(dest);
00932
00933
00934 uint accepted = DeliverGoodsToIndustry(st, cargo_type, num_pieces, src_type == ST_INDUSTRY ? src : INVALID_INDUSTRY);
00935
00936
00937 if (HasBit(st->always_accepted, cargo_type)) accepted = num_pieces;
00938
00939
00940 if (accepted > 0) {
00941 SetBit(st->goods[cargo_type].acceptance_pickup, GoodsEntry::GES_EVER_ACCEPTED);
00942 SetBit(st->goods[cargo_type].acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH);
00943 SetBit(st->goods[cargo_type].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK);
00944 }
00945
00946
00947 company->cur_economy.delivered_cargo += accepted;
00948 if (accepted > 0) SetBit(company->cargo_types, cargo_type);
00949
00950
00951 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00952 if (cs->town_effect == TE_PASSENGERS) st->town->new_act_pass += accepted;
00953 if (cs->town_effect == TE_MAIL) st->town->new_act_mail += accepted;
00954 if (cs->town_effect == TE_FOOD) st->town->new_act_food += accepted;
00955 if (cs->town_effect == TE_WATER) st->town->new_act_water += accepted;
00956 if (cs->town_effect == TE_GOODS) st->town->new_act_goods += accepted;
00957
00958
00959 Money profit = GetTransportedGoodsIncome(accepted, DistanceManhattan(source_tile, st->xy), days_in_transit, cargo_type);
00960
00961
00962 if (CheckSubsidised(cargo_type, company->index, src_type, src, st)) {
00963 switch (_settings_game.difficulty.subsidy_multiplier) {
00964 case 0: profit += profit >> 1; break;
00965 case 1: profit *= 2; break;
00966 case 2: profit *= 3; break;
00967 default: profit *= 4; break;
00968 }
00969 }
00970
00971 return profit;
00972 }
00973
00979 static void TriggerIndustryProduction(Industry *i)
00980 {
00981 const IndustrySpec *indspec = GetIndustrySpec(i->type);
00982 uint16 callback = indspec->callback_mask;
00983
00984 i->was_cargo_delivered = true;
00985 i->last_cargo_accepted_at = _date;
00986
00987 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) {
00988 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL)) {
00989 IndustryProductionCallback(i, 0);
00990 } else {
00991 SetWindowDirty(WC_INDUSTRY_VIEW, i->index);
00992 }
00993 } else {
00994 for (uint cargo_index = 0; cargo_index < lengthof(i->incoming_cargo_waiting); cargo_index++) {
00995 uint cargo_waiting = i->incoming_cargo_waiting[cargo_index];
00996 if (cargo_waiting == 0) continue;
00997
00998 i->produced_cargo_waiting[0] = min(i->produced_cargo_waiting[0] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][0] / 256), 0xFFFF);
00999 i->produced_cargo_waiting[1] = min(i->produced_cargo_waiting[1] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][1] / 256), 0xFFFF);
01000
01001 i->incoming_cargo_waiting[cargo_index] = 0;
01002 }
01003 }
01004
01005 TriggerIndustry(i, INDUSTRY_TRIGGER_RECEIVED_CARGO);
01006 StartStopIndustryTileAnimation(i, IAT_INDUSTRY_RECEIVED_CARGO);
01007 }
01008
01013 CargoPayment::CargoPayment(Vehicle *front) :
01014 front(front),
01015 current_station(front->last_station_visited)
01016 {
01017 }
01018
01019 CargoPayment::~CargoPayment()
01020 {
01021 if (this->CleaningPool()) return;
01022
01023 this->front->cargo_payment = NULL;
01024
01025 if (this->visual_profit == 0 && this->visual_transfer == 0) return;
01026
01027 Backup<CompanyByte> cur_company(_current_company, this->front->owner, FILE_LINE);
01028
01029 SubtractMoneyFromCompany(CommandCost(this->front->GetExpenseType(true), -this->route_profit));
01030 this->front->profit_this_year += (this->visual_profit + this->visual_transfer) << 8;
01031
01032 if (this->route_profit != 0 && IsLocalCompany() && !PlayVehicleSound(this->front, VSE_LOAD_UNLOAD)) {
01033 SndPlayVehicleFx(SND_14_CASHTILL, this->front);
01034 }
01035
01036 if (this->visual_transfer != 0){
01037 ShowFeederIncomeAnimation(this->front->x_pos, this->front->y_pos,
01038 this->front->z_pos, this->visual_transfer, -this->visual_profit);
01039 } else if (this->visual_profit) {
01040 ShowCostOrIncomeAnimation(this->front->x_pos, this->front->y_pos,
01041 this->front->z_pos, -this->visual_profit);
01042 }
01043
01044 cur_company.Restore();
01045 }
01046
01052 void CargoPayment::PayFinalDelivery(const CargoPacket *cp, uint count)
01053 {
01054 if (this->owner == NULL) {
01055 this->owner = Company::Get(this->front->owner);
01056 }
01057
01058
01059 Money profit = DeliverGoods(count, this->ct, this->current_station, cp->SourceStationXY(), cp->DaysInTransit(), this->owner, cp->SourceSubsidyType(), cp->SourceSubsidyID());
01060
01061
01062
01063
01064
01065
01066
01067
01068
01069
01070
01071
01072
01073
01074
01075
01076
01077
01078 if (!_cheats.daylength_income.value) {
01079 profit = profit / _date_daylength_factor;
01080
01081 if (_date_daylength_factor > 1 && profit < 1) profit = 1;
01082 }
01083
01084 this->route_profit += profit;
01085
01086
01087 this->visual_profit += profit - cp->FeederShare();
01088 }
01089
01096 Money CargoPayment::PayTransfer(const CargoPacket *cp, uint count)
01097 {
01098 Money profit = GetTransportedGoodsIncome(
01099 count,
01100
01101 DistanceManhattan(cp->LoadedAtXY(), Station::Get(this->current_station)->xy),
01102 cp->DaysInTransit(),
01103 this->ct);
01104
01105
01106
01107
01108
01109
01110
01111
01112
01113
01114
01115
01116
01117
01118
01119
01120
01121
01122 if (!_cheats.daylength_income.value) {
01123 profit = profit / _date_daylength_factor;
01124
01125 if (_date_daylength_factor > 1 && profit < 1) profit = 1;
01126 }
01127
01128 profit = profit * _settings_game.economy.feeder_payment_share / 100;
01129
01130 this->visual_transfer += profit;
01131 return profit;
01132 }
01133
01140 void PrepareUnload(Station *curr_station, Vehicle *front_v, StationID next_station_id)
01141 {
01142
01143 ClrBit(front_v->vehicle_flags, VF_LOADING_FINISHED);
01144
01145
01146 front_v->load_unload_ticks = 1;
01147
01148 if ((front_v->current_order.GetUnloadType() & OUFB_NO_UNLOAD) != 0) {
01149
01150
01151
01152 if (next_station_id == INVALID_STATION) {
01153 return;
01154 } else {
01155 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01156 const CargoPacketList *packets = v->cargo.Packets();
01157 for(VehicleCargoList::ConstIterator i(packets->begin()); i != packets->end(); ++i) {
01158 curr_station->goods[v->cargo_type].UpdateFlowStats(
01159 (*i)->SourceStation(), (*i)->Count(), next_station_id);
01160 }
01161 }
01162 }
01163 } else {
01164 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01165 if (v->cargo_cap > 0 && !v->cargo.Empty()) {
01166 SetBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01167 }
01168 }
01169 }
01170
01171 assert(front_v->cargo_payment == NULL);
01172
01173
01174 assert_compile(CargoPaymentPool::MAX_SIZE == VehiclePool::MAX_SIZE);
01175 assert(CargoPayment::CanAllocateItem());
01176 front_v->cargo_payment = new CargoPayment(front_v);
01177 }
01178
01186 uint32 ReserveConsist(Station *st, Vehicle *u, StationID next_station)
01187 {
01188 uint32 ret = 0;
01189 if (_settings_game.order.improved_load && (u->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01190
01191 for (Vehicle *v = u; v != NULL; v = v->Next()) {
01192
01193
01194
01195
01196
01197
01198
01199
01200
01201
01202
01203
01204
01205
01206
01207
01208
01209
01210
01211 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING)) continue;
01212
01213 int cap = v->cargo_cap - v->cargo.Count();
01214 if (cap > 0) {
01215 StationCargoList &list = st->goods[v->cargo_type].cargo;
01216 if (list.MoveTo(&v->cargo, cap, next_station, true) > 0) {
01217 SetBit(ret, v->cargo_type);
01218 }
01219 }
01220 }
01221 }
01222 return ret;
01223 }
01224
01225
01232 static uint32 LoadUnloadVehicle(Vehicle *v, uint32 cargos_reserved)
01233 {
01234 assert(v->current_order.IsType(OT_LOADING));
01235
01236 StationID last_visited = v->last_station_visited;
01237 Station *st = Station::Get(last_visited);
01238
01239 StationID next_station = INVALID_STATION;
01240 OrderList *orders = v->orders.list;
01241 if (orders != NULL) {
01242 next_station = orders->GetNextStoppingStation(v->cur_implicit_order_index, last_visited);
01243 }
01244
01245
01246 if (v->load_unload_ticks != 0) {
01247 return cargos_reserved | ReserveConsist(st, v, next_station);
01248 }
01249
01250 OrderUnloadFlags unload_flags = v->current_order.GetUnloadType();
01251
01252 if (v->type == VEH_TRAIN && (!IsTileType(v->tile, MP_STATION) || GetStationIndex(v->tile) != st->index)) {
01253
01254
01255 SetBit(v->vehicle_flags, VF_LOADING_FINISHED);
01256 v->load_unload_ticks = 1;
01257 return cargos_reserved;
01258 }
01259
01260 int unloading_time = 0;
01261 Vehicle *u = v;
01262 bool dirty_vehicle = false;
01263 bool dirty_station = false;
01264
01265 bool completely_emptied = true;
01266 bool anything_unloaded = false;
01267 bool anything_loaded = false;
01268 uint32 full_load_amount = 0;
01269 uint32 cargo_not_full = 0;
01270 uint32 cargo_full = 0;
01271
01272 v->cur_speed = 0;
01273
01274 CargoPayment *payment = v->cargo_payment;
01275
01276 for (; v != NULL; v = v->Next()) {
01277 if (v->cargo_cap == 0) continue;
01278
01279 const Engine *e = Engine::Get(v->engine_type);
01280 byte load_amount = e->info.load_amount;
01281
01282
01283 if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = CeilDiv(load_amount, 4);
01284
01285 if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
01286 uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
01287 if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
01288 }
01289
01290 GoodsEntry *ge = &st->goods[v->cargo_type];
01291
01292 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING)) {
01293
01294
01295 uint cargo_count = v->cargo.OnboardCount();
01296 uint amount_unloaded = _settings_game.order.gradual_loading ? min(cargo_count, load_amount) : cargo_count;
01297
01298 uint prev_count = ge->cargo.Count();
01299 payment->SetCargo(v->cargo_type);
01300 uint delivered = ge->cargo.TakeFrom(&v->cargo, amount_unloaded, unload_flags,
01301 next_station, u->last_loading_station == last_visited, payment);
01302
01303 st->time_since_unload = 0;
01304 unloading_time += delivered;
01305
01306 if (ge->cargo.Count() > prev_count) {
01307
01308 dirty_station = true;
01309 if (!HasBit(ge->acceptance_pickup, GoodsEntry::GES_PICKUP)) {
01310 InvalidateWindowData(WC_STATION_LIST, last_visited);
01311 SetBit(ge->acceptance_pickup, GoodsEntry::GES_PICKUP);
01312 }
01313 }
01314
01315 anything_unloaded = true;
01316 dirty_vehicle = true;
01317
01318
01319
01320
01321
01322
01323 if (v->cargo.OnboardCount() == 0) {
01324
01325 if (!v->cargo.Empty()) completely_emptied = false;
01326 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01327 v->cargo.SwapReserved();
01328 }
01329
01330 continue;
01331 }
01332
01333
01334 if (u->current_order.GetLoadType() & OLFB_NO_LOAD || HasBit(u->vehicle_flags, VF_STOP_LOADING)) continue;
01335
01336
01337 int t;
01338 switch (u->type) {
01339 case VEH_TRAIN:
01340 case VEH_SHIP:
01341 t = u->vcache.cached_max_speed;
01342 break;
01343
01344 case VEH_ROAD:
01345 t = u->vcache.cached_max_speed / 2;
01346 break;
01347
01348 case VEH_AIRCRAFT:
01349 t = Aircraft::From(u)->GetSpeedOldUnits();
01350 break;
01351
01352 default: NOT_REACHED();
01353 }
01354
01355
01356 ge->last_speed = min(t, 255);
01357 ge->last_age = _cur_year - u->build_year;
01358 ge->days_since_pickup = 0;
01359
01360
01361
01362 int cap_left = v->cargo_cap - v->cargo.OnboardCount();
01363 if (cap_left > 0) {
01364 if (_settings_game.order.gradual_loading) cap_left = min(cap_left, load_amount);
01365 if (v->cargo.Empty()) TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
01366
01367 int loaded = 0;
01368
01369 if (_settings_game.order.improved_load) {
01370 loaded += v->cargo.LoadReserved(cap_left);
01371 }
01372
01373 if (loaded < cap_left) {
01374 assert(v->cargo.ReservedCount() == 0);
01375 loaded += ge->cargo.MoveTo(&v->cargo, cap_left - loaded, next_station);
01376 }
01377
01378
01379 if (loaded == cap_left) {
01380 SetBit(full_load_amount, v->cargo_type);
01381 } else {
01382 ClrBit(full_load_amount, v->cargo_type);
01383 }
01384
01385
01386
01387
01388
01389
01390
01391
01392 if (loaded > 0) {
01393 completely_emptied = false;
01394 anything_loaded = true;
01395
01396 st->time_since_load = 0;
01397 st->last_vehicle_type = v->type;
01398
01399 TriggerStationAnimation(st, st->xy, SAT_CARGO_TAKEN, v->cargo_type);
01400 AirportAnimationTrigger(st, AAT_STATION_CARGO_TAKEN, v->cargo_type);
01401
01402 unloading_time += loaded;
01403
01404 dirty_vehicle = dirty_station = true;
01405 } else if (_settings_game.order.improved_load && HasBit(cargos_reserved, v->cargo_type)) {
01406
01407
01408 SetBit(cargo_not_full, v->cargo_type);
01409 continue;
01410 }
01411 }
01412
01413 if (v->cargo.OnboardCount() >= v->cargo_cap) {
01414 SetBit(cargo_full, v->cargo_type);
01415 } else {
01416 SetBit(cargo_not_full, v->cargo_type);
01417 }
01418 }
01419
01420
01421 completely_emptied &= anything_unloaded;
01422
01423 v = u;
01424
01425 if (!anything_unloaded) delete payment;
01426
01427 ClrBit(u->vehicle_flags, VF_STOP_LOADING);
01428 if (anything_loaded || anything_unloaded) {
01429 if (_settings_game.order.gradual_loading) {
01430
01431
01432 const uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
01433
01434 unloading_time = gradual_loading_wait_time[v->type];
01435 }
01436
01437
01438
01439 if (!anything_unloaded && full_load_amount == 0 && !(v->current_order.GetLoadType() & OLFB_FULL_LOAD) &&
01440 (!_settings_game.order.timetabling || v->current_order_time >= (uint)max(v->current_order.wait_time - v->lateness_counter, 0))) {
01441 SetBit(v->vehicle_flags, VF_STOP_LOADING);
01442 }
01443 } else {
01444 bool finished_loading = true;
01445 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) {
01446 if (v->current_order.GetLoadType() == OLF_FULL_LOAD_ANY) {
01447
01448
01449 if ((v->type == VEH_AIRCRAFT && IsCargoInClass(v->cargo_type, CC_PASSENGERS) && v->cargo_cap > v->cargo.OnboardCount()) ||
01450 (cargo_not_full && (cargo_full & ~cargo_not_full) == 0)) {
01451 finished_loading = false;
01452 }
01453 } else if (cargo_not_full != 0) {
01454 finished_loading = false;
01455 }
01456 }
01457 unloading_time = 20;
01458
01459 SB(v->vehicle_flags, VF_LOADING_FINISHED, 1, finished_loading);
01460 }
01461
01462 if (v->type == VEH_TRAIN) {
01463
01464 int overhang = v->GetGroundVehicleCache()->cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
01465 if (overhang > 0) {
01466 unloading_time <<= 1;
01467 unloading_time += (overhang * unloading_time) / 8;
01468 }
01469 }
01470
01471
01472
01473
01474
01475
01476
01477 if (_game_mode != GM_MENU && (_settings_client.gui.loading_indicators > (uint)(v->owner != _local_company && _local_company != COMPANY_SPECTATOR))) {
01478 StringID percent_up_down = STR_NULL;
01479 int percent = CalcPercentVehicleFilled(v, &percent_up_down);
01480 if (v->fill_percent_te_id == INVALID_TE_ID) {
01481 v->fill_percent_te_id = ShowFillingPercent(v->x_pos, v->y_pos, v->z_pos + 20, percent, percent_up_down);
01482 } else {
01483 UpdateFillingPercent(v->fill_percent_te_id, percent, percent_up_down);
01484 }
01485 }
01486
01487
01488 v->load_unload_ticks = max(1, unloading_time);
01489
01490 if (completely_emptied) {
01491 TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
01492 }
01493
01494 if (dirty_vehicle) {
01495 SetWindowDirty(GetWindowClassForVehicleType(v->type), v->owner);
01496 SetWindowDirty(WC_VEHICLE_DETAILS, v->index);
01497 v->MarkDirty();
01498 }
01499 if (dirty_station) {
01500 st->MarkTilesDirty(true);
01501 SetWindowDirty(WC_STATION_VIEW, last_visited);
01502 }
01503 return cargos_reserved;
01504 }
01505
01511 void LoadUnloadStation(Station *st)
01512 {
01513
01514 if (st->loading_vehicles.empty()) return;
01515
01516 Vehicle *last_loading = NULL;
01517 std::list<Vehicle *>::iterator iter;
01518
01519
01520 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01521 Vehicle *v = *iter;
01522
01523 if ((v->vehstatus & (VS_STOPPED | VS_CRASHED))) continue;
01524
01525 assert(v->load_unload_ticks != 0);
01526 if (--v->load_unload_ticks == 0) last_loading = v;
01527 }
01528
01529
01530
01531
01532
01533
01534
01535
01536 if (last_loading == NULL) return;
01537
01538 uint cargos_reserved = 0;
01539
01540 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01541 Vehicle *v = *iter;
01542 if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) cargos_reserved = LoadUnloadVehicle(v, cargos_reserved);
01543 if (v == last_loading) break;
01544 }
01545
01546
01547 const Industry * const *isend = _cargo_delivery_destinations.End();
01548 for (Industry **iid = _cargo_delivery_destinations.Begin(); iid != isend; iid++) {
01549 TriggerIndustryProduction(*iid);
01550 }
01551 _cargo_delivery_destinations.Clear();
01552 }
01553
01557 void CompaniesMonthlyLoop()
01558 {
01559 CompaniesGenStatistics();
01560 if (_settings_game.economy.inflation) {
01561 AddInflation();
01562 RecomputePrices();
01563 }
01564
01565 CompaniesPayInterest();
01566 HandleEconomyFluctuations();
01567 }
01568
01569 static void DoAcquireCompany(Company *c)
01570 {
01571 CompanyID ci = c->index;
01572
01573 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
01574 cni->FillData(c, Company::Get(_current_company));
01575
01576 SetDParam(0, STR_NEWS_COMPANY_MERGER_TITLE);
01577 SetDParam(1, c->bankrupt_value == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION);
01578 SetDParamStr(2, cni->company_name);
01579 SetDParamStr(3, cni->other_company_name);
01580 SetDParam(4, c->bankrupt_value);
01581 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_MERGER, cni);
01582 AI::BroadcastNewEvent(new AIEventCompanyMerger(ci, _current_company));
01583
01584 ChangeOwnershipOfCompanyItems(ci, _current_company);
01585
01586 if (c->bankrupt_value == 0) {
01587 Company *owner = Company::Get(_current_company);
01588 owner->current_loan += c->current_loan;
01589 }
01590
01591 Money value = CalculateCompanyValue(c) >> 2;
01592 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01593 for (int i = 0; i != 4; i++) {
01594 if (c->share_owners[i] != COMPANY_SPECTATOR) {
01595 cur_company.Change(c->share_owners[i]);
01596 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, -value));
01597 }
01598 }
01599 cur_company.Restore();
01600
01601 if (c->is_ai) AI::Stop(c->index);
01602
01603 DeleteCompanyWindows(ci);
01604 InvalidateWindowClassesData(WC_TRAINS_LIST, 0);
01605 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
01606 InvalidateWindowClassesData(WC_ROADVEH_LIST, 0);
01607 InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
01608
01609 delete c;
01610 }
01611
01612 extern int GetAmountOwnedBy(const Company *c, Owner owner);
01613
01623 CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01624 {
01625 CommandCost cost(EXPENSES_OTHER);
01626 CompanyID target_company = (CompanyID)p1;
01627 Company *c = Company::GetIfValid(target_company);
01628
01629
01630
01631 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01632
01633
01634 if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
01635
01636
01637 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 0) return cost;
01638
01639 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 1) {
01640 if (!c->is_ai) return cost;
01641
01642 if (GetAmountOwnedBy(c, _current_company) == 3 && !MayCompanyTakeOver(_current_company, target_company)) return_cmd_error(STR_ERROR_TOO_MANY_VEHICLES_IN_GAME);
01643 }
01644
01645
01646 cost.AddCost(CalculateCompanyValue(c) >> 2);
01647 if (flags & DC_EXEC) {
01648 OwnerByte *b = c->share_owners;
01649
01650 while (*b != COMPANY_SPECTATOR) b++;
01651 *b = _current_company;
01652
01653 for (int i = 0; c->share_owners[i] == _current_company;) {
01654 if (++i == 4) {
01655 c->bankrupt_value = 0;
01656 DoAcquireCompany(c);
01657 break;
01658 }
01659 }
01660 SetWindowDirty(WC_COMPANY, target_company);
01661 CompanyAdminUpdate(c);
01662 }
01663 return cost;
01664 }
01665
01675 CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01676 {
01677 CompanyID target_company = (CompanyID)p1;
01678 Company *c = Company::GetIfValid(target_company);
01679
01680
01681
01682 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01683
01684
01685 if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
01686
01687
01688 Money cost = CalculateCompanyValue(c) >> 2;
01689 cost = -(cost - (cost >> 7));
01690
01691 if (flags & DC_EXEC) {
01692 OwnerByte *b = c->share_owners;
01693 while (*b != _current_company) b++;
01694 *b = COMPANY_SPECTATOR;
01695 SetWindowDirty(WC_COMPANY, target_company);
01696 CompanyAdminUpdate(c);
01697 }
01698 return CommandCost(EXPENSES_OTHER, cost);
01699 }
01700
01713 CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01714 {
01715 CompanyID target_company = (CompanyID)p1;
01716 Company *c = Company::GetIfValid(target_company);
01717 if (c == NULL) return CMD_ERROR;
01718
01719
01720 if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
01721
01722
01723 if (!_networking && _local_company == c->index) return CMD_ERROR;
01724
01725
01726 if (target_company == _current_company) return CMD_ERROR;
01727
01728
01729 if (!MayCompanyTakeOver(_current_company, target_company)) return CMD_ERROR;
01730
01731
01732 CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);
01733
01734 if (flags & DC_EXEC) {
01735 DoAcquireCompany(c);
01736 }
01737 return cost;
01738 }