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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 "train.h"
00024 #include "newgrf_cargo.h"
00025 #include "newgrf_engine.h"
00026 #include "newgrf_sound.h"
00027 #include "newgrf_industries.h"
00028 #include "newgrf_industrytiles.h"
00029 #include "newgrf_station.h"
00030 #include "unmovable.h"
00031 #include "group.h"
00032 #include "strings_func.h"
00033 #include "functions.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 "engine_base.h"
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
00122 Money CalculateCompanyValue(const Company *c, bool including_loan)
00123 {
00124 Owner owner = c->index;
00125 Money value = 0;
00126
00127 Station *st;
00128 uint num = 0;
00129
00130 FOR_ALL_STATIONS(st) {
00131 if (st->owner == owner) num += CountBits((byte)st->facilities);
00132 }
00133
00134 value += num * _price[PR_STATION_VALUE] * 25;
00135
00136 Vehicle *v;
00137 FOR_ALL_VEHICLES(v) {
00138 if (v->owner != owner) continue;
00139
00140 if (v->type == VEH_TRAIN ||
00141 v->type == VEH_ROAD ||
00142 (v->type == VEH_AIRCRAFT && Aircraft::From(v)->IsNormalAircraft()) ||
00143 v->type == VEH_SHIP) {
00144 value += v->value * 3 >> 1;
00145 }
00146 }
00147
00148
00149 if (including_loan) value -= c->current_loan;
00150 value += c->money;
00151
00152 return max(value, (Money)1);
00153 }
00154
00161 int UpdateCompanyRatingAndValue(Company *c, bool update)
00162 {
00163 Owner owner = c->index;
00164 int score = 0;
00165
00166 memset(_score_part[owner], 0, sizeof(_score_part[owner]));
00167
00168
00169 {
00170 Vehicle *v;
00171 Money min_profit = 0;
00172 bool min_profit_first = true;
00173 uint num = 0;
00174
00175 FOR_ALL_VEHICLES(v) {
00176 if (v->owner != owner) continue;
00177 if (IsCompanyBuildableVehicleType(v->type) && v->IsPrimaryVehicle()) {
00178 if (v->profit_last_year > 0) num++;
00179 if (v->age > 730) {
00180
00181 if (min_profit_first || min_profit > v->profit_last_year) {
00182 min_profit = v->profit_last_year;
00183 min_profit_first = false;
00184 }
00185 }
00186 }
00187 }
00188
00189 min_profit >>= 8;
00190
00191 _score_part[owner][SCORE_VEHICLES] = num;
00192
00193 if (min_profit > 0)
00194 _score_part[owner][SCORE_MIN_PROFIT] = ClampToI32(min_profit);
00195 }
00196
00197
00198 {
00199 uint num = 0;
00200 const Station *st;
00201
00202 FOR_ALL_STATIONS(st) {
00203
00204 if (st->owner == owner && (st->time_since_load <= 20 || st->time_since_unload <= 20)) num += CountBits((byte)st->facilities);
00205 }
00206 _score_part[owner][SCORE_STATIONS] = num;
00207 }
00208
00209
00210 {
00211 int numec = min(c->num_valid_stat_ent, 12);
00212 if (numec != 0) {
00213 const CompanyEconomyEntry *cee = c->old_economy;
00214 Money min_income = cee->income + cee->expenses;
00215 Money max_income = cee->income + cee->expenses;
00216
00217 do {
00218 min_income = min(min_income, cee->income + cee->expenses);
00219 max_income = max(max_income, cee->income + cee->expenses);
00220 } while (++cee, --numec);
00221
00222 if (min_income > 0) {
00223 _score_part[owner][SCORE_MIN_INCOME] = ClampToI32(min_income);
00224 }
00225
00226 _score_part[owner][SCORE_MAX_INCOME] = ClampToI32(max_income);
00227 }
00228 }
00229
00230
00231 {
00232 const CompanyEconomyEntry *cee;
00233 int numec;
00234 uint32 total_delivered;
00235
00236 numec = min(c->num_valid_stat_ent, 4);
00237 if (numec != 0) {
00238 cee = c->old_economy;
00239 total_delivered = 0;
00240 do {
00241 total_delivered += cee->delivered_cargo;
00242 } while (++cee, --numec);
00243
00244 _score_part[owner][SCORE_DELIVERED] = total_delivered;
00245 }
00246 }
00247
00248
00249 {
00250 uint num = CountBits(c->cargo_types);
00251 _score_part[owner][SCORE_CARGO] = num;
00252 if (update) c->cargo_types = 0;
00253 }
00254
00255
00256 {
00257 if (c->money > 0) {
00258 _score_part[owner][SCORE_MONEY] = ClampToI32(c->money);
00259 }
00260 }
00261
00262
00263 {
00264 _score_part[owner][SCORE_LOAN] = ClampToI32(_score_info[SCORE_LOAN].needed - c->current_loan);
00265 }
00266
00267
00268 {
00269 int total_score = 0;
00270 int s;
00271 score = 0;
00272 for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {
00273
00274 if (i == SCORE_TOTAL) continue;
00275
00276 s = Clamp(_score_part[owner][i], 0, _score_info[i].needed) * _score_info[i].score / _score_info[i].needed;
00277 score += s;
00278 total_score += _score_info[i].score;
00279 }
00280
00281 _score_part[owner][SCORE_TOTAL] = score;
00282
00283
00284 if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;
00285 }
00286
00287 if (update) {
00288 c->old_economy[0].performance_history = score;
00289 UpdateCompanyHQ(c, score);
00290 c->old_economy[0].company_value = CalculateCompanyValue(c);
00291 }
00292
00293 SetWindowDirty(WC_PERFORMANCE_DETAIL, 0);
00294 return score;
00295 }
00296
00297
00298 void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
00299 {
00300 #ifdef ENABLE_NETWORK
00301
00302 if (_networking) NetworkClientsToSpectators(old_owner);
00303 #endif
00304
00305 Town *t;
00306 CompanyID old = _current_company;
00307
00308 assert(old_owner != new_owner);
00309
00310 {
00311 Company *c;
00312 uint i;
00313
00314
00315 _current_company = old_owner;
00316 FOR_ALL_COMPANIES(c) {
00317 for (i = 0; i < 4; i++) {
00318 if (c->share_owners[i] == old_owner) {
00319
00320 CommandCost res = DoCommand(0, c->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00321
00322
00323 SubtractMoneyFromCompany(res);
00324 }
00325 }
00326 }
00327
00328
00329 c = Company::Get(old_owner);
00330 for (i = 0; i < 4; i++) {
00331 _current_company = c->share_owners[i];
00332 if (_current_company != INVALID_OWNER) {
00333
00334 CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00335
00336
00337 SubtractMoneyFromCompany(res);
00338 }
00339 }
00340 }
00341
00342 _current_company = old_owner;
00343
00344
00345
00346
00347 if (new_owner == INVALID_OWNER) {
00348 Company::Get(old_owner)->money = UINT64_MAX >> 2;
00349 }
00350
00351 Subsidy *s;
00352 FOR_ALL_SUBSIDIES(s) {
00353 if (s->awarded == old_owner) {
00354 if (new_owner == INVALID_OWNER) {
00355 delete s;
00356 } else {
00357 s->awarded = new_owner;
00358 }
00359 }
00360 }
00361 if (new_owner == INVALID_OWNER) RebuildSubsidisedSourceAndDestinationCache();
00362
00363
00364 FOR_ALL_TOWNS(t) {
00365
00366 if (new_owner != INVALID_OWNER) {
00367 if (HasBit(t->have_ratings, old_owner)) {
00368 if (HasBit(t->have_ratings, new_owner)) {
00369
00370 t->ratings[new_owner] = max(t->ratings[new_owner], t->ratings[old_owner]);
00371 } else {
00372 SetBit(t->have_ratings, new_owner);
00373 t->ratings[new_owner] = t->ratings[old_owner];
00374 }
00375 }
00376 }
00377
00378
00379 t->ratings[old_owner] = RATING_INITIAL;
00380 ClrBit(t->have_ratings, old_owner);
00381 }
00382
00383 {
00384 FreeUnitIDGenerator unitidgen[] = {
00385 FreeUnitIDGenerator(VEH_TRAIN, new_owner), FreeUnitIDGenerator(VEH_ROAD, new_owner),
00386 FreeUnitIDGenerator(VEH_SHIP, new_owner), FreeUnitIDGenerator(VEH_AIRCRAFT, new_owner)
00387 };
00388
00389 Vehicle *v;
00390 FOR_ALL_VEHICLES(v) {
00391 if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
00392 if (new_owner == INVALID_OWNER) {
00393 if (v->Previous() == NULL) delete v;
00394 } else {
00395 v->owner = new_owner;
00396 v->colourmap = PAL_NONE;
00397 if (v->IsEngineCountable()) Company::Get(new_owner)->num_engines[v->engine_type]++;
00398 if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
00399 }
00400 }
00401 }
00402 }
00403
00404
00405 {
00406 TileIndex tile = 0;
00407 do {
00408 ChangeTileOwner(tile, old_owner, new_owner);
00409 } while (++tile != MapSize());
00410
00411 if (new_owner != INVALID_OWNER) {
00412
00413
00414
00415
00416 tile = 0;
00417
00418 do {
00419 if (IsTileType(tile, MP_RAILWAY) && IsTileOwner(tile, new_owner) && HasSignals(tile)) {
00420 TrackBits tracks = GetTrackBits(tile);
00421 do {
00422 Track track = RemoveFirstTrack(&tracks);
00423 if (HasSignalOnTrack(tile, track)) AddTrackToSignalBuffer(tile, track, new_owner);
00424 } while (tracks != TRACK_BIT_NONE);
00425 } else if (IsLevelCrossingTile(tile) && IsTileOwner(tile, new_owner)) {
00426 UpdateLevelCrossing(tile);
00427 }
00428 } while (++tile != MapSize());
00429 }
00430
00431
00432 UpdateSignalsInBuffer();
00433 }
00434
00435
00436 Station *st;
00437 FOR_ALL_STATIONS(st) {
00438 if (st->owner == old_owner) {
00439
00440
00441 st->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00442 }
00443 }
00444
00445
00446 Waypoint *wp;
00447 FOR_ALL_WAYPOINTS(wp) {
00448 if (wp->owner == old_owner) {
00449 wp->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00450 }
00451 }
00452
00453
00454
00455 RemoveAllEngineReplacementForCompany(Company::Get(old_owner));
00456
00457 if (new_owner == INVALID_OWNER) {
00458 RemoveAllGroupsForCompany(old_owner);
00459 } else {
00460 Group *g;
00461 FOR_ALL_GROUPS(g) {
00462 if (g->owner == old_owner) g->owner = new_owner;
00463 }
00464 }
00465
00466 Sign *si;
00467 FOR_ALL_SIGNS(si) {
00468 if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00469 }
00470
00471
00472 if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
00473
00474 _current_company = old;
00475
00476 MarkWholeScreenDirty();
00477 }
00478
00479 static void CompanyCheckBankrupt(Company *c)
00480 {
00481
00482 if (c->money >= 0) {
00483 c->quarters_of_bankruptcy = 0;
00484 c->bankrupt_asked = 0;
00485 return;
00486 }
00487
00488 c->quarters_of_bankruptcy++;
00489
00490 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00491 cni->FillData(c);
00492
00493 switch (c->quarters_of_bankruptcy) {
00494 case 0:
00495 case 1:
00496 free(cni);
00497 break;
00498
00499 case 2:
00500 SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
00501 SetDParam(1, STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION);
00502 SetDParamStr(2, cni->company_name);
00503 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_TROUBLE, cni);
00504 AI::BroadcastNewEvent(new AIEventCompanyInTrouble(c->index));
00505 break;
00506 case 3: {
00507
00508
00509 Money val = CalculateCompanyValue(c, false);
00510 if (val > 0) {
00511 c->bankrupt_value = val;
00512 c->bankrupt_asked = 1 << c->index;
00513 c->bankrupt_timeout = 0;
00514 free(cni);
00515 break;
00516 }
00517
00518 }
00519 default:
00520 case 4:
00521 if (!_networking && _local_company == c->index) {
00522
00523
00524
00525
00526 c->bankrupt_asked = MAX_UVALUE(CompanyMask);
00527 free(cni);
00528 break;
00529 }
00530
00531
00532 DeleteCompanyWindows(c->index);
00533
00534
00535 SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
00536 SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
00537 SetDParamStr(2, cni->company_name);
00538 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
00539
00540 ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
00541
00542 if (c->is_ai) AI::Stop(c->index);
00543
00544 CompanyID c_index = c->index;
00545 delete c;
00546 AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
00547 }
00548 }
00549
00550 static void CompaniesGenStatistics()
00551 {
00552 Station *st;
00553 Company *c;
00554
00555 FOR_ALL_STATIONS(st) {
00556 _current_company = st->owner;
00557 CommandCost cost(EXPENSES_PROPERTY, _price[PR_STATION_VALUE] >> 1);
00558 SubtractMoneyFromCompany(cost);
00559 }
00560
00561 if (!HasBit(1 << 0 | 1 << 3 | 1 << 6 | 1 << 9, _cur_month))
00562 return;
00563
00564 FOR_ALL_COMPANIES(c) {
00565 memmove(&c->old_economy[1], &c->old_economy[0], sizeof(c->old_economy) - sizeof(c->old_economy[0]));
00566 c->old_economy[0] = c->cur_economy;
00567 memset(&c->cur_economy, 0, sizeof(c->cur_economy));
00568
00569 if (c->num_valid_stat_ent != MAX_HISTORY_MONTHS) c->num_valid_stat_ent++;
00570
00571 UpdateCompanyRatingAndValue(c, true);
00572 if (c->block_preview != 0) c->block_preview--;
00573 CompanyCheckBankrupt(c);
00574 }
00575
00576 SetWindowDirty(WC_INCOME_GRAPH, 0);
00577 SetWindowDirty(WC_OPERATING_PROFIT, 0);
00578 SetWindowDirty(WC_DELIVERED_CARGO, 0);
00579 SetWindowDirty(WC_PERFORMANCE_HISTORY, 0);
00580 SetWindowDirty(WC_COMPANY_VALUE, 0);
00581 SetWindowDirty(WC_COMPANY_LEAGUE, 0);
00582 }
00583
00588 void AddInflation(bool check_year)
00589 {
00590
00591
00592
00593
00594
00595
00596
00597
00598
00599
00600
00601
00602
00603
00604
00605 if (check_year && (_cur_year - _settings_game.game_creation.starting_year) >= (ORIGINAL_MAX_YEAR - ORIGINAL_BASE_YEAR)) return;
00606
00607
00608
00609
00610
00611
00612 _economy.inflation_prices += min((_economy.inflation_prices * _economy.infl_amount * 54) >> 16, MAX_INFLATION);
00613 _economy.inflation_payment += min((_economy.inflation_payment * _economy.infl_amount_pr * 54) >> 16, MAX_INFLATION);
00614 }
00615
00619 void RecomputePrices()
00620 {
00621
00622 _economy.max_loan = (_settings_game.difficulty.max_loan * _economy.inflation_prices >> 16) / 50000 * 50000;
00623
00624
00625 for (Price i = PR_BEGIN; i < PR_END; i++) {
00626 Money price = _price_base_specs[i].start_price;
00627
00628
00629 uint mod = 1;
00630 switch (_price_base_specs[i].category) {
00631 case PCAT_RUNNING:
00632 mod = _settings_game.difficulty.vehicle_costs;
00633 break;
00634
00635 case PCAT_CONSTRUCTION:
00636 mod = _settings_game.difficulty.construction_cost;
00637 break;
00638
00639 default: break;
00640 }
00641 if (mod < 1) {
00642 price = price * 3 >> 2;
00643 } else if (mod > 1) {
00644 price = price * 9 >> 3;
00645 }
00646
00647
00648 price = (int64)price * _economy.inflation_prices;
00649
00650
00651 int shift = _price_base_multiplier[i] - 16;
00652 if (shift >= 0) {
00653 price <<= shift;
00654 } else {
00655 price >>= -shift;
00656 }
00657
00658
00659
00660
00661
00662
00663 if (price == 0) {
00664 price = Clamp(_price_base_specs[i].start_price, -1, 1);
00665
00666 assert(price != 0);
00667 }
00668
00669 _price[i] = price;
00670 }
00671
00672
00673 CargoSpec *cs;
00674 FOR_ALL_CARGOSPECS(cs) {
00675 cs->current_payment = ((int64)cs->initial_payment * _economy.inflation_payment) >> 16;
00676 }
00677
00678 SetWindowClassesDirty(WC_BUILD_VEHICLE);
00679 SetWindowClassesDirty(WC_REPLACE_VEHICLE);
00680 SetWindowClassesDirty(WC_VEHICLE_DETAILS);
00681 SetWindowDirty(WC_PAYMENT_RATES, 0);
00682 }
00683
00684 static void CompaniesPayInterest()
00685 {
00686 const Company *c;
00687
00688 FOR_ALL_COMPANIES(c) {
00689 _current_company = c->index;
00690
00691
00692
00693
00694
00695
00696
00697
00698
00699 Money yearly_fee = c->current_loan * _economy.interest_rate / 100;
00700 Money up_to_previous_month = yearly_fee * _cur_month / 12;
00701 Money up_to_this_month = yearly_fee * (_cur_month + 1) / 12;
00702
00703 SubtractMoneyFromCompany(CommandCost(EXPENSES_LOAN_INT, up_to_this_month - up_to_previous_month));
00704
00705 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, _price[PR_STATION_VALUE] >> 2));
00706 }
00707 }
00708
00709 static void HandleEconomyFluctuations()
00710 {
00711 if (_settings_game.difficulty.economy != 0) {
00712
00713 _economy.fluct--;
00714 } else if (_economy.fluct <= 0) {
00715
00716 _economy.fluct = -12;
00717 } else {
00718
00719 return;
00720 }
00721
00722 if (_economy.fluct == 0) {
00723 _economy.fluct = -(int)GB(Random(), 0, 2);
00724 AddNewsItem(STR_NEWS_BEGIN_OF_RECESSION, NS_ECONOMY);
00725 } else if (_economy.fluct == -12) {
00726 _economy.fluct = GB(Random(), 0, 8) + 312;
00727 AddNewsItem(STR_NEWS_END_OF_RECESSION, NS_ECONOMY);
00728 }
00729 }
00730
00731
00735 void ResetPriceBaseMultipliers()
00736 {
00737 memset(_price_base_multiplier, 0, sizeof(_price_base_multiplier));
00738 }
00739
00747 void SetPriceBaseMultiplier(Price price, int factor)
00748 {
00749 assert(price < PR_END);
00750 _price_base_multiplier[price] = Clamp(factor, MIN_PRICE_MODIFIER, MAX_PRICE_MODIFIER);
00751 }
00752
00757 void StartupIndustryDailyChanges(bool init_counter)
00758 {
00759 uint map_size = MapLogX() + MapLogY();
00760
00761
00762
00763
00764
00765
00766 _economy.industry_daily_increment = (1 << map_size) / 31;
00767
00768 if (init_counter) {
00769
00770 _economy.industry_daily_change_counter = 0;
00771 }
00772 }
00773
00774 void StartupEconomy()
00775 {
00776 _economy.interest_rate = _settings_game.difficulty.initial_interest;
00777 _economy.infl_amount = _settings_game.difficulty.initial_interest;
00778 _economy.infl_amount_pr = max(0, _settings_game.difficulty.initial_interest - 1);
00779 _economy.fluct = GB(Random(), 0, 8) + 168;
00780
00781
00782 RecomputePrices();
00783
00784 StartupIndustryDailyChanges(true);
00785
00786 }
00787
00791 void InitializeEconomy()
00792 {
00793 _economy.inflation_prices = _economy.inflation_payment = 1 << 16;
00794 }
00795
00804 Money GetPrice(Price index, uint cost_factor, const GRFFile *grf_file, int shift)
00805 {
00806 if (index >= PR_END) return 0;
00807
00808 Money cost = _price[index] * cost_factor;
00809 if (grf_file != NULL) shift += grf_file->price_base_multipliers[index];
00810
00811 if (shift >= 0) {
00812 cost <<= shift;
00813 } else {
00814 cost >>= -shift;
00815 }
00816
00817 return cost;
00818 }
00819
00820 Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
00821 {
00822 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00823 if (!cs->IsValid()) {
00824
00825 return 0;
00826 }
00827
00828
00829 if (HasBit(cs->callback_mask, CBM_CARGO_PROFIT_CALC)) {
00830 uint32 var18 = min(dist, 0xFFFF) | (min(num_pieces, 0xFF) << 16) | (transit_days << 24);
00831 uint16 callback = GetCargoCallback(CBID_CARGO_PROFIT_CALC, 0, var18, cs);
00832 if (callback != CALLBACK_FAILED) {
00833 int result = GB(callback, 0, 14);
00834
00835
00836 if (HasBit(callback, 14)) result -= 0x4000;
00837
00838
00839
00840
00841 return result * num_pieces * cs->current_payment / 8192;
00842 }
00843 }
00844
00845 static const int MIN_TIME_FACTOR = 31;
00846 static const int MAX_TIME_FACTOR = 255;
00847
00848 const int days1 = cs->transit_days[0];
00849 const int days2 = cs->transit_days[1];
00850 const int days_over_days1 = max( transit_days - days1, 0);
00851 const int days_over_days2 = max(days_over_days1 - days2, 0);
00852
00853
00854
00855
00856
00857
00858
00859
00860
00861
00862
00863 const int time_factor = max(MAX_TIME_FACTOR - days_over_days1 - days_over_days2, MIN_TIME_FACTOR);
00864
00865 return BigMulS(dist * time_factor * num_pieces, cs->current_payment, 21);
00866 }
00867
00869 static SmallIndustryList _cargo_delivery_destinations;
00870
00880 static uint DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, uint num_pieces, IndustryID source)
00881 {
00882
00883
00884
00885
00886
00887
00888
00889 uint accepted = 0;
00890
00891 for (uint i = 0; i < st->industries_near.Length() && num_pieces != 0; i++) {
00892 Industry *ind = st->industries_near[i];
00893 if (ind->index == source) continue;
00894
00895 const IndustrySpec *indspec = GetIndustrySpec(ind->type);
00896
00897 uint cargo_index;
00898 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00899 if (cargo_type == ind->accepts_cargo[cargo_index]) break;
00900 }
00901
00902 if (cargo_index >= lengthof(ind->accepts_cargo)) continue;
00903
00904
00905 if (HasBit(indspec->callback_mask, CBM_IND_REFUSE_CARGO)) {
00906 uint16 res = GetIndustryCallback(CBID_INDUSTRY_REFUSE_CARGO, 0, GetReverseCargoTranslation(cargo_type, indspec->grf_prop.grffile), ind, ind->type, ind->location.tile);
00907 if (res == 0) continue;
00908 }
00909
00910
00911 _cargo_delivery_destinations.Include(ind);
00912
00913 uint amount = min(num_pieces, 0xFFFFU - ind->incoming_cargo_waiting[cargo_index]);
00914 ind->incoming_cargo_waiting[cargo_index] += amount;
00915 num_pieces -= amount;
00916 accepted += amount;
00917 }
00918
00919 return accepted;
00920 }
00921
00935 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)
00936 {
00937 assert(num_pieces > 0);
00938
00939 const Station *st = Station::Get(dest);
00940
00941
00942 uint accepted = DeliverGoodsToIndustry(st, cargo_type, num_pieces, src_type == ST_INDUSTRY ? src : INVALID_INDUSTRY);
00943
00944
00945 if (HasBit(st->always_accepted, cargo_type)) accepted = num_pieces;
00946
00947
00948 company->cur_economy.delivered_cargo += accepted;
00949 if (accepted > 0) SetBit(company->cargo_types, cargo_type);
00950
00951
00952 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00953 if (cs->town_effect == TE_FOOD) st->town->new_act_food += accepted;
00954 if (cs->town_effect == TE_WATER) st->town->new_act_water += accepted;
00955
00956
00957 Money profit = GetTransportedGoodsIncome(accepted, DistanceManhattan(source_tile, st->xy), days_in_transit, cargo_type);
00958
00959
00960 if (CheckSubsidised(cargo_type, company->index, src_type, src, st)) {
00961 switch (_settings_game.difficulty.subsidy_multiplier) {
00962 case 0: profit += profit >> 1; break;
00963 case 1: profit *= 2; break;
00964 case 2: profit *= 3; break;
00965 default: profit *= 4; break;
00966 }
00967 }
00968
00969 return profit;
00970 }
00971
00977 static void TriggerIndustryProduction(Industry *i)
00978 {
00979 const IndustrySpec *indspec = GetIndustrySpec(i->type);
00980 uint16 callback = indspec->callback_mask;
00981
00982 i->was_cargo_delivered = true;
00983 i->last_cargo_accepted_at = _date;
00984
00985 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) {
00986 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL)) {
00987 IndustryProductionCallback(i, 0);
00988 } else {
00989 SetWindowDirty(WC_INDUSTRY_VIEW, i->index);
00990 }
00991 } else {
00992 for (uint cargo_index = 0; cargo_index < lengthof(i->incoming_cargo_waiting); cargo_index++) {
00993 uint cargo_waiting = i->incoming_cargo_waiting[cargo_index];
00994 if (cargo_waiting == 0) continue;
00995
00996 i->produced_cargo_waiting[0] = min(i->produced_cargo_waiting[0] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][0] / 256), 0xFFFF);
00997 i->produced_cargo_waiting[1] = min(i->produced_cargo_waiting[1] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][1] / 256), 0xFFFF);
00998
00999 i->incoming_cargo_waiting[cargo_index] = 0;
01000 }
01001 }
01002
01003 TriggerIndustry(i, INDUSTRY_TRIGGER_RECEIVED_CARGO);
01004 StartStopIndustryTileAnimation(i, IAT_INDUSTRY_RECEIVED_CARGO);
01005 }
01006
01011 CargoPayment::CargoPayment(Vehicle *front) :
01012 front(front),
01013 current_station(front->last_station_visited)
01014 {
01015 }
01016
01017 CargoPayment::~CargoPayment()
01018 {
01019 if (this->CleaningPool()) return;
01020
01021 this->front->cargo_payment = NULL;
01022
01023 if (this->visual_profit == 0) return;
01024
01025 CompanyID old_company = _current_company;
01026 _current_company = this->front->owner;
01027
01028 SubtractMoneyFromCompany(CommandCost(this->front->GetExpenseType(true), -this->route_profit));
01029 this->front->profit_this_year += this->visual_profit << 8;
01030
01031 if (this->route_profit != 0) {
01032 if (IsLocalCompany() && !PlayVehicleSound(this->front, VSE_LOAD_UNLOAD)) {
01033 SndPlayVehicleFx(SND_14_CASHTILL, this->front);
01034 }
01035
01036 ShowCostOrIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, -this->visual_profit);
01037 } else {
01038 ShowFeederIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, this->visual_profit);
01039 }
01040
01041 _current_company = old_company;
01042 }
01043
01049 void CargoPayment::PayFinalDelivery(const CargoPacket *cp, uint count)
01050 {
01051 if (this->owner == NULL) {
01052 this->owner = Company::Get(this->front->owner);
01053 }
01054
01055
01056 Money profit = DeliverGoods(count, this->ct, this->current_station, cp->SourceStationXY(), cp->DaysInTransit(), this->owner, cp->SourceSubsidyType(), cp->SourceSubsidyID());
01057 this->route_profit += profit;
01058
01059
01060 this->visual_profit += profit - cp->FeederShare();
01061 }
01062
01069 Money CargoPayment::PayTransfer(const CargoPacket *cp, uint count)
01070 {
01071 Money profit = GetTransportedGoodsIncome(
01072 count,
01073
01074 DistanceManhattan(cp->LoadedAtXY(), Station::Get(this->current_station)->xy),
01075 cp->DaysInTransit(),
01076 this->ct);
01077
01078 profit = profit * _settings_game.economy.feeder_payment_share / 100;
01079
01080 this->visual_profit += profit;
01081 return profit;
01082 }
01083
01088 void PrepareUnload(Vehicle *front_v)
01089 {
01090
01091 ClrBit(front_v->vehicle_flags, VF_LOADING_FINISHED);
01092
01093
01094 front_v->load_unload_ticks = 1;
01095
01096 if ((front_v->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01097 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01098 if (v->cargo_cap > 0 && !v->cargo.Empty()) {
01099 SetBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01100 }
01101 }
01102 }
01103
01104 assert(front_v->cargo_payment == NULL);
01105 front_v->cargo_payment = new CargoPayment(front_v);
01106 }
01107
01116 static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
01117 {
01118 assert(v->current_order.IsType(OT_LOADING));
01119
01120 assert(v->load_unload_ticks != 0);
01121
01122
01123 if (--v->load_unload_ticks != 0) {
01124 if (_settings_game.order.improved_load && (v->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01125
01126 for (; v != NULL; v = v->Next()) {
01127 int cap_left = v->cargo_cap - v->cargo.Count();
01128 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01129 }
01130 }
01131 return;
01132 }
01133
01134 StationID last_visited = v->last_station_visited;
01135 Station *st = Station::Get(last_visited);
01136
01137 if (v->type == VEH_TRAIN && (!IsTileType(v->tile, MP_STATION) || GetStationIndex(v->tile) != st->index)) {
01138
01139
01140 SetBit(v->vehicle_flags, VF_LOADING_FINISHED);
01141 v->load_unload_ticks = 1;
01142 return;
01143 }
01144
01145 int unloading_time = 0;
01146 Vehicle *u = v;
01147 bool dirty_vehicle = false;
01148 bool dirty_station = false;
01149
01150 bool completely_emptied = true;
01151 bool anything_unloaded = false;
01152 bool anything_loaded = false;
01153 uint32 cargo_not_full = 0;
01154 uint32 cargo_full = 0;
01155
01156 v->cur_speed = 0;
01157
01158 CargoPayment *payment = v->cargo_payment;
01159
01160 for (; v != NULL; v = v->Next()) {
01161 if (v->cargo_cap == 0) continue;
01162
01163 const Engine *e = Engine::Get(v->engine_type);
01164 byte load_amount = e->info.load_amount;
01165
01166
01167 if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = (load_amount + 3) / 4;
01168
01169 if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
01170 uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
01171 if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
01172 }
01173
01174 GoodsEntry *ge = &st->goods[v->cargo_type];
01175
01176 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING) && (u->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01177 uint cargo_count = v->cargo.Count();
01178 uint amount_unloaded = _settings_game.order.gradual_loading ? min(cargo_count, load_amount) : cargo_count;
01179 bool remaining = false;
01180 bool accepted = false;
01181
01182 payment->SetCargo(v->cargo_type);
01183
01184 if (HasBit(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE) && !(u->current_order.GetUnloadType() & OUFB_TRANSFER)) {
01185
01186 remaining = v->cargo.MoveTo<StationCargoList>(NULL, amount_unloaded, VehicleCargoList::MTA_FINAL_DELIVERY, payment, last_visited);
01187
01188 dirty_vehicle = true;
01189 accepted = true;
01190 }
01191
01192
01193
01194
01195
01196
01197 if ((u->current_order.GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) && (!accepted || v->cargo.Count() == cargo_count)) {
01198 remaining = v->cargo.MoveTo(&ge->cargo, amount_unloaded, u->current_order.GetUnloadType() & OUFB_TRANSFER ? VehicleCargoList::MTA_TRANSFER : VehicleCargoList::MTA_UNLOAD, payment);
01199 SetBit(ge->acceptance_pickup, GoodsEntry::PICKUP);
01200
01201 dirty_vehicle = dirty_station = true;
01202 } else if (!accepted) {
01203
01204
01205 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01206
01207
01208
01209
01210
01211 anything_unloaded = true;
01212 continue;
01213 }
01214
01215
01216 st->time_since_unload = 0;
01217
01218 unloading_time += amount_unloaded;
01219
01220 anything_unloaded = true;
01221 if (_settings_game.order.gradual_loading && remaining) {
01222 completely_emptied = false;
01223 } else {
01224
01225 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01226 }
01227
01228 continue;
01229 }
01230
01231
01232 if (u->current_order.GetLoadType() & OLFB_NO_LOAD) continue;
01233
01234
01235 int t;
01236 switch (u->type) {
01237 case VEH_TRAIN: t = Train::From(u)->tcache.cached_max_speed; break;
01238 case VEH_ROAD: t = u->max_speed / 2; break;
01239 case VEH_SHIP: t = u->max_speed; break;
01240 case VEH_AIRCRAFT: t = u->max_speed * 10 / 129; break;
01241 default: NOT_REACHED();
01242 }
01243
01244
01245 ge->last_speed = min(t, 255);
01246 ge->last_age = _cur_year - u->build_year;
01247 ge->days_since_pickup = 0;
01248
01249
01250
01251 int cap_left = v->cargo_cap - v->cargo.Count();
01252 if (!ge->cargo.Empty() && cap_left > 0) {
01253 uint cap = cap_left;
01254 uint count = ge->cargo.Count();
01255
01256
01257
01258 if (_settings_game.order.improved_load && cargo_left[v->cargo_type] <= 0) {
01259 SetBit(cargo_not_full, v->cargo_type);
01260 continue;
01261 }
01262
01263 if (cap > count) cap = count;
01264 if (_settings_game.order.gradual_loading) cap = min(cap, load_amount);
01265 if (_settings_game.order.improved_load) {
01266
01267 cap = min((uint)cargo_left[v->cargo_type], cap);
01268 cargo_left[v->cargo_type] -= cap;
01269 }
01270
01271 if (v->cargo.Empty()) TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
01272
01273
01274
01275
01276
01277
01278
01279
01280 completely_emptied = false;
01281 anything_loaded = true;
01282
01283 ge->cargo.MoveTo(&v->cargo, cap, StationCargoList::MTA_CARGO_LOAD, NULL, st->xy);
01284
01285 st->time_since_load = 0;
01286 st->last_vehicle_type = v->type;
01287
01288 StationAnimationTrigger(st, st->xy, STAT_ANIM_CARGO_TAKEN, v->cargo_type);
01289
01290 unloading_time += cap;
01291
01292 dirty_vehicle = dirty_station = true;
01293 }
01294
01295 if (v->cargo.Count() >= v->cargo_cap) {
01296 SetBit(cargo_full, v->cargo_type);
01297 } else {
01298 SetBit(cargo_not_full, v->cargo_type);
01299 }
01300 }
01301
01302
01303 completely_emptied &= anything_unloaded;
01304
01305
01306
01307
01308
01309 if (_settings_game.order.improved_load && (u->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01310
01311 for (v = u; v != NULL; v = v->Next()) {
01312 int cap_left = v->cargo_cap - v->cargo.Count();
01313 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01314 }
01315 }
01316
01317 v = u;
01318
01319 if (!anything_unloaded) delete payment;
01320
01321 if (anything_loaded || anything_unloaded) {
01322 if (_settings_game.order.gradual_loading) {
01323
01324
01325 const uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
01326
01327 unloading_time = gradual_loading_wait_time[v->type];
01328 }
01329 } else {
01330 bool finished_loading = true;
01331 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) {
01332 if (v->current_order.GetLoadType() == OLF_FULL_LOAD_ANY) {
01333
01334
01335 if ((v->type == VEH_AIRCRAFT && IsCargoInClass(v->cargo_type, CC_PASSENGERS) && v->cargo_cap > v->cargo.Count()) ||
01336 (cargo_not_full && (cargo_full & ~cargo_not_full) == 0)) {
01337 finished_loading = false;
01338 }
01339 } else if (cargo_not_full != 0) {
01340 finished_loading = false;
01341 }
01342 }
01343 unloading_time = 20;
01344
01345 SB(v->vehicle_flags, VF_LOADING_FINISHED, 1, finished_loading);
01346 }
01347
01348 if (v->type == VEH_TRAIN) {
01349
01350 int overhang = Train::From(v)->tcache.cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
01351 if (overhang > 0) {
01352 unloading_time <<= 1;
01353 unloading_time += (overhang * unloading_time) / 8;
01354 }
01355 }
01356
01357
01358
01359
01360
01361
01362
01363 if (_game_mode != GM_MENU && (_settings_client.gui.loading_indicators > (uint)(v->owner != _local_company && _local_company != COMPANY_SPECTATOR))) {
01364 StringID percent_up_down = STR_NULL;
01365 int percent = CalcPercentVehicleFilled(v, &percent_up_down);
01366 if (v->fill_percent_te_id == INVALID_TE_ID) {
01367 v->fill_percent_te_id = ShowFillingPercent(v->x_pos, v->y_pos, v->z_pos + 20, percent, percent_up_down);
01368 } else {
01369 UpdateFillingPercent(v->fill_percent_te_id, percent, percent_up_down);
01370 }
01371 }
01372
01373
01374 v->load_unload_ticks = max(1, unloading_time);
01375
01376 if (completely_emptied) {
01377 TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
01378 }
01379
01380 if (dirty_vehicle) {
01381 SetWindowDirty(GetWindowClassForVehicleType(v->type), v->owner);
01382 SetWindowDirty(WC_VEHICLE_DETAILS, v->index);
01383 v->MarkDirty();
01384 }
01385 if (dirty_station) {
01386 st->MarkTilesDirty(true);
01387 SetWindowDirty(WC_STATION_VIEW, last_visited);
01388 }
01389 }
01390
01396 void LoadUnloadStation(Station *st)
01397 {
01398
01399 if (st->loading_vehicles.empty()) return;
01400
01401 int cargo_left[NUM_CARGO];
01402
01403 for (uint i = 0; i < NUM_CARGO; i++) cargo_left[i] = st->goods[i].cargo.Count();
01404
01405 std::list<Vehicle *>::iterator iter;
01406 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01407 Vehicle *v = *iter;
01408 if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) LoadUnloadVehicle(v, cargo_left);
01409 }
01410
01411
01412 const Industry * const *isend = _cargo_delivery_destinations.End();
01413 for (Industry **iid = _cargo_delivery_destinations.Begin(); iid != isend; iid++) {
01414 TriggerIndustryProduction(*iid);
01415 }
01416 _cargo_delivery_destinations.Clear();
01417 }
01418
01419 void CompaniesMonthlyLoop()
01420 {
01421 CompaniesGenStatistics();
01422 if (_settings_game.economy.inflation) {
01423 AddInflation();
01424 RecomputePrices();
01425 }
01426 CompaniesPayInterest();
01427
01428 _current_company = OWNER_NONE;
01429 HandleEconomyFluctuations();
01430 }
01431
01432 static void DoAcquireCompany(Company *c)
01433 {
01434 Company *owner;
01435 int i;
01436 Money value;
01437 CompanyID ci = c->index;
01438
01439 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
01440 cni->FillData(c, Company::Get(_current_company));
01441
01442 SetDParam(0, STR_NEWS_COMPANY_MERGER_TITLE);
01443 SetDParam(1, c->bankrupt_value == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION);
01444 SetDParamStr(2, cni->company_name);
01445 SetDParamStr(3, cni->other_company_name);
01446 SetDParam(4, c->bankrupt_value);
01447 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_MERGER, cni);
01448 AI::BroadcastNewEvent(new AIEventCompanyMerger(ci, _current_company));
01449
01450 ChangeOwnershipOfCompanyItems(ci, _current_company);
01451
01452 if (c->bankrupt_value == 0) {
01453 owner = Company::Get(_current_company);
01454 owner->current_loan += c->current_loan;
01455 }
01456
01457 value = CalculateCompanyValue(c) >> 2;
01458 CompanyID old_company = _current_company;
01459 for (i = 0; i != 4; i++) {
01460 if (c->share_owners[i] != COMPANY_SPECTATOR) {
01461 _current_company = c->share_owners[i];
01462 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, -value));
01463 }
01464 }
01465 _current_company = old_company;
01466
01467 if (c->is_ai) AI::Stop(c->index);
01468
01469 DeleteCompanyWindows(ci);
01470 InvalidateWindowClassesData(WC_TRAINS_LIST, 0);
01471 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
01472 InvalidateWindowClassesData(WC_ROADVEH_LIST, 0);
01473 InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
01474
01475 delete c;
01476 }
01477
01478 extern int GetAmountOwnedBy(const Company *c, Owner owner);
01479
01488 CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01489 {
01490 CommandCost cost(EXPENSES_OTHER);
01491 CompanyID target_company = (CompanyID)p1;
01492 Company *c = Company::GetIfValid(target_company);
01493
01494
01495
01496 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01497
01498
01499 if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
01500
01501
01502 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 0) return cost;
01503
01504
01505 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 1 && !c->is_ai) return cost;
01506
01507 cost.AddCost(CalculateCompanyValue(c) >> 2);
01508 if (flags & DC_EXEC) {
01509 OwnerByte *b = c->share_owners;
01510 int i;
01511
01512 while (*b != COMPANY_SPECTATOR) b++;
01513 *b = _current_company;
01514
01515 for (i = 0; c->share_owners[i] == _current_company;) {
01516 if (++i == 4) {
01517 c->bankrupt_value = 0;
01518 DoAcquireCompany(c);
01519 break;
01520 }
01521 }
01522 SetWindowDirty(WC_COMPANY, target_company);
01523 }
01524 return cost;
01525 }
01526
01535 CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01536 {
01537 CompanyID target_company = (CompanyID)p1;
01538 Company *c = Company::GetIfValid(target_company);
01539
01540
01541
01542 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01543
01544
01545 if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
01546
01547
01548 Money cost = CalculateCompanyValue(c) >> 2;
01549 cost = -(cost - (cost >> 7));
01550
01551 if (flags & DC_EXEC) {
01552 OwnerByte *b = c->share_owners;
01553 while (*b != _current_company) b++;
01554 *b = COMPANY_SPECTATOR;
01555 SetWindowDirty(WC_COMPANY, target_company);
01556 }
01557 return CommandCost(EXPENSES_OTHER, cost);
01558 }
01559
01571 CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01572 {
01573 CompanyID target_company = (CompanyID)p1;
01574 Company *c = Company::GetIfValid(target_company);
01575 if (c == NULL) return CMD_ERROR;
01576
01577
01578 if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
01579
01580
01581 if (!_networking && _local_company == c->index) return CMD_ERROR;
01582
01583
01584 if (target_company == _current_company) return CMD_ERROR;
01585
01586
01587 CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);
01588
01589 if (flags & DC_EXEC) {
01590 DoAcquireCompany(c);
01591 }
01592 return cost;
01593 }