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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 "cargo_type.h"
00050
00051 #include "table/strings.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
00075 typedef SmallVector<Industry *, 16> SmallIndustryList;
00076
00080 const ScoreInfo _score_info[] = {
00081 { 120, 100},
00082 { 80, 100},
00083 { 10000, 100},
00084 { 50000, 50},
00085 { 100000, 100},
00086 { 40000, 400},
00087 { 8, 50},
00088 {10000000, 50},
00089 { 250000, 50},
00090 { 0, 0}
00091 };
00092
00093 int _score_part[MAX_COMPANIES][SCORE_END];
00094 Economy _economy;
00095 Prices _price;
00096 Money _additional_cash_required;
00097 static PriceMultipliers _price_base_multiplier;
00098
00108 Money CalculateCompanyValue(const Company *c, bool including_loan)
00109 {
00110 Owner owner = c->index;
00111
00112 Station *st;
00113 uint num = 0;
00114
00115 FOR_ALL_STATIONS(st) {
00116 if (st->owner == owner) num += CountBits((byte)st->facilities);
00117 }
00118
00119 Money value = num * _price[PR_STATION_VALUE] * 25;
00120
00121 Vehicle *v;
00122 FOR_ALL_VEHICLES(v) {
00123 if (v->owner != owner) continue;
00124
00125 if (v->type == VEH_TRAIN ||
00126 v->type == VEH_ROAD ||
00127 (v->type == VEH_AIRCRAFT && Aircraft::From(v)->IsNormalAircraft()) ||
00128 v->type == VEH_SHIP) {
00129 value += v->value * 3 >> 1;
00130 }
00131 }
00132
00133
00134 if (including_loan) value -= c->current_loan;
00135 value += c->money;
00136
00137 return max(value, (Money)1);
00138 }
00139
00148 int UpdateCompanyRatingAndValue(Company *c, bool update)
00149 {
00150 Owner owner = c->index;
00151 int score = 0;
00152
00153 memset(_score_part[owner], 0, sizeof(_score_part[owner]));
00154
00155
00156 {
00157 Vehicle *v;
00158 Money min_profit = 0;
00159 bool min_profit_first = true;
00160 uint num = 0;
00161
00162 FOR_ALL_VEHICLES(v) {
00163 if (v->owner != owner) continue;
00164 if (IsCompanyBuildableVehicleType(v->type) && v->IsPrimaryVehicle()) {
00165 if (v->profit_last_year > 0) num++;
00166 if (v->age > 730) {
00167
00168 if (min_profit_first || min_profit > v->profit_last_year) {
00169 min_profit = v->profit_last_year;
00170 min_profit_first = false;
00171 }
00172 }
00173 }
00174 }
00175
00176 min_profit >>= 8;
00177
00178 _score_part[owner][SCORE_VEHICLES] = num;
00179
00180 if (min_profit > 0) {
00181 _score_part[owner][SCORE_MIN_PROFIT] = ClampToI32(min_profit);
00182 }
00183 }
00184
00185
00186 {
00187 uint num = 0;
00188 const Station *st;
00189
00190 FOR_ALL_STATIONS(st) {
00191
00192 if (st->owner == owner && (st->time_since_load <= 20 || st->time_since_unload <= 20)) num += CountBits((byte)st->facilities);
00193 }
00194 _score_part[owner][SCORE_STATIONS] = num;
00195 }
00196
00197
00198 {
00199 int numec = min(c->num_valid_stat_ent, 12);
00200 if (numec != 0) {
00201 const CompanyEconomyEntry *cee = c->old_economy;
00202 Money min_income = cee->income + cee->expenses;
00203 Money max_income = cee->income + cee->expenses;
00204
00205 do {
00206 min_income = min(min_income, cee->income + cee->expenses);
00207 max_income = max(max_income, cee->income + cee->expenses);
00208 } while (++cee, --numec);
00209
00210 if (min_income > 0) {
00211 _score_part[owner][SCORE_MIN_INCOME] = ClampToI32(min_income);
00212 }
00213
00214 _score_part[owner][SCORE_MAX_INCOME] = ClampToI32(max_income);
00215 }
00216 }
00217
00218
00219 {
00220 const CompanyEconomyEntry *cee;
00221 int numec;
00222 uint32 total_delivered;
00223
00224 numec = min(c->num_valid_stat_ent, 4);
00225 if (numec != 0) {
00226 cee = c->old_economy;
00227 total_delivered = 0;
00228 do {
00229 total_delivered += cee->delivered_cargo;
00230 } while (++cee, --numec);
00231
00232 _score_part[owner][SCORE_DELIVERED] = total_delivered;
00233 }
00234 }
00235
00236
00237 {
00238 uint num = CountBits(c->cargo_types);
00239 _score_part[owner][SCORE_CARGO] = num;
00240 if (update) c->cargo_types = 0;
00241 }
00242
00243
00244 {
00245 if (c->money > 0) {
00246 _score_part[owner][SCORE_MONEY] = ClampToI32(c->money);
00247 }
00248 }
00249
00250
00251 {
00252 _score_part[owner][SCORE_LOAN] = ClampToI32(_score_info[SCORE_LOAN].needed - c->current_loan);
00253 }
00254
00255
00256 {
00257 int total_score = 0;
00258 int s;
00259 score = 0;
00260 for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {
00261
00262 if (i == SCORE_TOTAL) continue;
00263
00264 s = Clamp(_score_part[owner][i], 0, _score_info[i].needed) * _score_info[i].score / _score_info[i].needed;
00265 score += s;
00266 total_score += _score_info[i].score;
00267 }
00268
00269 _score_part[owner][SCORE_TOTAL] = score;
00270
00271
00272 if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;
00273 }
00274
00275 if (update) {
00276 c->old_economy[0].performance_history = score;
00277 UpdateCompanyHQ(c->location_of_HQ, score);
00278 c->old_economy[0].company_value = CalculateCompanyValue(c);
00279 }
00280
00281 SetWindowDirty(WC_PERFORMANCE_DETAIL, 0);
00282 return score;
00283 }
00284
00290 void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
00291 {
00292
00293
00294
00295 Backup<CompanyByte> cur_company(_current_company, old_owner, FILE_LINE);
00296 #ifdef ENABLE_NETWORK
00297
00298 if (_networking) NetworkClientsToSpectators(old_owner);
00299 #endif
00300
00301 Town *t;
00302
00303 assert(old_owner != new_owner);
00304
00305 {
00306 Company *c;
00307 uint i;
00308
00309
00310 FOR_ALL_COMPANIES(c) {
00311 for (i = 0; i < 4; i++) {
00312 if (c->share_owners[i] == old_owner) {
00313
00314 CommandCost res = DoCommand(0, c->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00315
00316
00317 SubtractMoneyFromCompany(res);
00318 }
00319 }
00320 }
00321
00322
00323 Backup<CompanyByte> cur_company2(_current_company, FILE_LINE);
00324 c = Company::Get(old_owner);
00325 for (i = 0; i < 4; i++) {
00326 cur_company2.Change(c->share_owners[i]);
00327 if (_current_company != INVALID_OWNER) {
00328
00329 CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00330
00331
00332 SubtractMoneyFromCompany(res);
00333 }
00334 }
00335 cur_company2.Restore();
00336 }
00337
00338
00339
00340
00341 if (new_owner == INVALID_OWNER) {
00342 Company::Get(old_owner)->money = UINT64_MAX >> 2;
00343 }
00344
00345 Subsidy *s;
00346 FOR_ALL_SUBSIDIES(s) {
00347 if (s->awarded == old_owner) {
00348 if (new_owner == INVALID_OWNER) {
00349 delete s;
00350 } else {
00351 s->awarded = new_owner;
00352 }
00353 }
00354 }
00355 if (new_owner == INVALID_OWNER) RebuildSubsidisedSourceAndDestinationCache();
00356
00357
00358 FOR_ALL_TOWNS(t) {
00359
00360 if (new_owner != INVALID_OWNER) {
00361 if (HasBit(t->have_ratings, old_owner)) {
00362 if (HasBit(t->have_ratings, new_owner)) {
00363
00364 t->ratings[new_owner] = max(t->ratings[new_owner], t->ratings[old_owner]);
00365 } else {
00366 SetBit(t->have_ratings, new_owner);
00367 t->ratings[new_owner] = t->ratings[old_owner];
00368 }
00369 }
00370 }
00371
00372
00373 t->ratings[old_owner] = RATING_INITIAL;
00374 ClrBit(t->have_ratings, old_owner);
00375 }
00376
00377 {
00378 FreeUnitIDGenerator unitidgen[] = {
00379 FreeUnitIDGenerator(VEH_TRAIN, new_owner), FreeUnitIDGenerator(VEH_ROAD, new_owner),
00380 FreeUnitIDGenerator(VEH_SHIP, new_owner), FreeUnitIDGenerator(VEH_AIRCRAFT, new_owner)
00381 };
00382
00383 Vehicle *v;
00384 FOR_ALL_VEHICLES(v) {
00385 if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
00386 if (new_owner == INVALID_OWNER) {
00387 if (v->Previous() == NULL) delete v;
00388 } else {
00389 v->owner = new_owner;
00390 v->colourmap = PAL_NONE;
00391 if (v->IsEngineCountable()) Company::Get(new_owner)->num_engines[v->engine_type]++;
00392 if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
00393
00394
00395 if (v->cargo_payment != NULL) v->cargo_payment->owner = NULL;
00396 }
00397 }
00398 }
00399 }
00400
00401
00402 {
00403 TileIndex tile = 0;
00404 do {
00405 ChangeTileOwner(tile, old_owner, new_owner);
00406 } while (++tile != MapSize());
00407
00408 if (new_owner != INVALID_OWNER) {
00409
00410
00411
00412
00413 tile = 0;
00414
00415 do {
00416 if (IsTileType(tile, MP_RAILWAY) && IsTileOwner(tile, new_owner) && HasSignals(tile)) {
00417 TrackBits tracks = GetTrackBits(tile);
00418 do {
00419 Track track = RemoveFirstTrack(&tracks);
00420 if (HasSignalOnTrack(tile, track)) AddTrackToSignalBuffer(tile, track, new_owner);
00421 } while (tracks != TRACK_BIT_NONE);
00422 } else if (IsLevelCrossingTile(tile) && IsTileOwner(tile, new_owner)) {
00423 UpdateLevelCrossing(tile);
00424 }
00425 } while (++tile != MapSize());
00426 }
00427
00428
00429 UpdateSignalsInBuffer();
00430 }
00431
00432
00433 Station *st;
00434 FOR_ALL_STATIONS(st) {
00435 if (st->owner == old_owner) {
00436
00437
00438 st->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00439 }
00440 }
00441
00442
00443 Waypoint *wp;
00444 FOR_ALL_WAYPOINTS(wp) {
00445 if (wp->owner == old_owner) {
00446 wp->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00447 }
00448 }
00449
00450
00451
00452 RemoveAllEngineReplacementForCompany(Company::Get(old_owner));
00453
00454 if (new_owner == INVALID_OWNER) {
00455 RemoveAllGroupsForCompany(old_owner);
00456 } else {
00457 Group *g;
00458 FOR_ALL_GROUPS(g) {
00459 if (g->owner == old_owner) g->owner = new_owner;
00460 }
00461 }
00462
00463 Sign *si;
00464 FOR_ALL_SIGNS(si) {
00465 if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00466 }
00467
00468
00469 if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
00470
00471 cur_company.Restore();
00472
00473 MarkWholeScreenDirty();
00474 }
00475
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 switch (c->quarters_of_bankruptcy) {
00492 case 0:
00493 case 1:
00494 break;
00495
00496 case 2: {
00497 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00498 cni->FillData(c);
00499 SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
00500 SetDParam(1, STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION);
00501 SetDParamStr(2, cni->company_name);
00502 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_TROUBLE, cni);
00503 AI::BroadcastNewEvent(new AIEventCompanyInTrouble(c->index));
00504 break;
00505 }
00506
00507 case 3: {
00508
00509
00510 Money val = CalculateCompanyValue(c, false);
00511 if (val > 0) {
00512 c->bankrupt_value = val;
00513 c->bankrupt_asked = 1 << c->index;
00514 c->bankrupt_timeout = 0;
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 break;
00528 }
00529
00530
00531
00532
00533
00534
00535
00536
00537
00538
00539 if (!_networking || _network_server) DoCommandP(0, 2 | (c->index << 16), 0, CMD_COMPANY_CTRL);
00540 break;
00541 }
00542 }
00543
00548 static void CompaniesGenStatistics()
00549 {
00550 Station *st;
00551
00552 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00553 FOR_ALL_STATIONS(st) {
00554 cur_company.Change(st->owner);
00555 CommandCost cost(EXPENSES_PROPERTY, _price[PR_STATION_VALUE] >> 1);
00556 SubtractMoneyFromCompany(cost);
00557 }
00558 cur_company.Restore();
00559
00560
00561 if (!HasBit(1 << 0 | 1 << 3 | 1 << 6 | 1 << 9, _cur_month)) return;
00562
00563 Company *c;
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_QUARTERS) 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 InvalidateWindowData(WC_PAYMENT_RATES, 0);
00682 }
00683
00685 static void CompaniesPayInterest()
00686 {
00687 const Company *c;
00688
00689 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00690 FOR_ALL_COMPANIES(c) {
00691 cur_company.Change(c->index);
00692
00693
00694
00695
00696
00697
00698
00699
00700
00701 Money yearly_fee = c->current_loan * _economy.interest_rate / 100;
00702 Money up_to_previous_month = yearly_fee * _cur_month / 12;
00703 Money up_to_this_month = yearly_fee * (_cur_month + 1) / 12;
00704
00705 SubtractMoneyFromCompany(CommandCost(EXPENSES_LOAN_INT, up_to_this_month - up_to_previous_month));
00706
00707 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, _price[PR_STATION_VALUE] >> 2));
00708 }
00709 cur_company.Restore();
00710 }
00711
00712 static void HandleEconomyFluctuations()
00713 {
00714 if (_settings_game.difficulty.economy != 0) {
00715
00716 _economy.fluct--;
00717 } else if (EconomyIsInRecession()) {
00718
00719 _economy.fluct = -12;
00720 } else {
00721
00722 return;
00723 }
00724
00725 if (_economy.fluct == 0) {
00726 _economy.fluct = -(int)GB(Random(), 0, 2);
00727 AddNewsItem(STR_NEWS_BEGIN_OF_RECESSION, NS_ECONOMY);
00728 } else if (_economy.fluct == -12) {
00729 _economy.fluct = GB(Random(), 0, 8) + 312;
00730 AddNewsItem(STR_NEWS_END_OF_RECESSION, NS_ECONOMY);
00731 }
00732 }
00733
00734
00738 void ResetPriceBaseMultipliers()
00739 {
00740 memset(_price_base_multiplier, 0, sizeof(_price_base_multiplier));
00741 }
00742
00750 void SetPriceBaseMultiplier(Price price, int factor)
00751 {
00752 assert(price < PR_END);
00753 _price_base_multiplier[price] = Clamp(factor, MIN_PRICE_MODIFIER, MAX_PRICE_MODIFIER);
00754 }
00755
00760 void StartupIndustryDailyChanges(bool init_counter)
00761 {
00762 uint map_size = MapLogX() + MapLogY();
00763
00764
00765
00766
00767
00768
00769 _economy.industry_daily_increment = (1 << map_size) / 31;
00770
00771 if (init_counter) {
00772
00773 _economy.industry_daily_change_counter = 0;
00774 }
00775 }
00776
00777 void StartupEconomy()
00778 {
00779 _economy.interest_rate = _settings_game.difficulty.initial_interest;
00780 _economy.infl_amount = _settings_game.difficulty.initial_interest;
00781 _economy.infl_amount_pr = max(0, _settings_game.difficulty.initial_interest - 1);
00782 _economy.fluct = GB(Random(), 0, 8) + 168;
00783
00784
00785 RecomputePrices();
00786
00787 StartupIndustryDailyChanges(true);
00788
00789 }
00790
00794 void InitializeEconomy()
00795 {
00796 _economy.inflation_prices = _economy.inflation_payment = 1 << 16;
00797 }
00798
00807 Money GetPrice(Price index, uint cost_factor, const GRFFile *grf_file, int shift)
00808 {
00809 if (index >= PR_END) return 0;
00810
00811 Money cost = _price[index] * cost_factor;
00812 if (grf_file != NULL) shift += grf_file->price_base_multipliers[index];
00813
00814 if (shift >= 0) {
00815 cost <<= shift;
00816 } else {
00817 cost >>= -shift;
00818 }
00819
00820 return cost;
00821 }
00822
00823 Money GetTransportedGoodsIncome(uint num_pieces, uint dist, byte transit_days, CargoID cargo_type)
00824 {
00825 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00826 if (!cs->IsValid()) {
00827
00828 return 0;
00829 }
00830
00831
00832 if (HasBit(cs->callback_mask, CBM_CARGO_PROFIT_CALC)) {
00833 uint32 var18 = min(dist, 0xFFFF) | (min(num_pieces, 0xFF) << 16) | (transit_days << 24);
00834 uint16 callback = GetCargoCallback(CBID_CARGO_PROFIT_CALC, 0, var18, cs);
00835 if (callback != CALLBACK_FAILED) {
00836 int result = GB(callback, 0, 14);
00837
00838
00839 if (HasBit(callback, 14)) result -= 0x4000;
00840
00841
00842
00843
00844 return result * num_pieces * cs->current_payment / 8192;
00845 }
00846 }
00847
00848 static const int MIN_TIME_FACTOR = 31;
00849 static const int MAX_TIME_FACTOR = 255;
00850
00851 const int days1 = cs->transit_days[0];
00852 const int days2 = cs->transit_days[1];
00853 const int days_over_days1 = max( transit_days - days1, 0);
00854 const int days_over_days2 = max(days_over_days1 - days2, 0);
00855
00856
00857
00858
00859
00860
00861
00862
00863
00864
00865
00866 const int time_factor = max(MAX_TIME_FACTOR - days_over_days1 - days_over_days2, MIN_TIME_FACTOR);
00867
00868 return BigMulS(dist * time_factor * num_pieces, cs->current_payment, 21);
00869 }
00870
00872 static SmallIndustryList _cargo_delivery_destinations;
00873
00883 static uint DeliverGoodsToIndustry(const Station *st, CargoID cargo_type, uint num_pieces, IndustryID source)
00884 {
00885
00886
00887
00888
00889
00890
00891
00892 uint accepted = 0;
00893
00894 for (uint i = 0; i < st->industries_near.Length() && num_pieces != 0; i++) {
00895 Industry *ind = st->industries_near[i];
00896 if (ind->index == source) continue;
00897
00898 uint cargo_index;
00899 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00900 if (cargo_type == ind->accepts_cargo[cargo_index]) break;
00901 }
00902
00903 if (cargo_index >= lengthof(ind->accepts_cargo)) continue;
00904
00905
00906 if (IndustryTemporarilyRefusesCargo(ind, cargo_type)) continue;
00907
00908
00909 _cargo_delivery_destinations.Include(ind);
00910
00911 uint amount = min(num_pieces, 0xFFFFU - ind->incoming_cargo_waiting[cargo_index]);
00912 ind->incoming_cargo_waiting[cargo_index] += amount;
00913 num_pieces -= amount;
00914 accepted += amount;
00915 }
00916
00917 return accepted;
00918 }
00919
00933 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)
00934 {
00935 assert(num_pieces > 0);
00936
00937 const Station *st = Station::Get(dest);
00938
00939
00940 uint accepted = DeliverGoodsToIndustry(st, cargo_type, num_pieces, src_type == ST_INDUSTRY ? src : INVALID_INDUSTRY);
00941
00942
00943 if (HasBit(st->always_accepted, cargo_type)) accepted = num_pieces;
00944
00945
00946 company->cur_economy.delivered_cargo += accepted;
00947 if (accepted > 0) SetBit(company->cargo_types, cargo_type);
00948
00949
00950 const CargoSpec *cs = CargoSpec::Get(cargo_type);
00951 if (cs->town_effect == TE_FOOD) st->town->new_act_food += accepted;
00952 if (cs->town_effect == TE_WATER) st->town->new_act_water += accepted;
00953
00954
00955 Money profit = GetTransportedGoodsIncome(accepted, DistanceManhattan(source_tile, st->xy), days_in_transit, cargo_type);
00956
00957
00958 if (CheckSubsidised(cargo_type, company->index, src_type, src, st)) {
00959 switch (_settings_game.difficulty.subsidy_multiplier) {
00960 case 0: profit += profit >> 1; break;
00961 case 1: profit *= 2; break;
00962 case 2: profit *= 3; break;
00963 default: profit *= 4; break;
00964 }
00965 }
00966
00967 return profit;
00968 }
00969
00975 static void TriggerIndustryProduction(Industry *i)
00976 {
00977 const IndustrySpec *indspec = GetIndustrySpec(i->type);
00978 uint16 callback = indspec->callback_mask;
00979
00980 i->was_cargo_delivered = true;
00981 i->last_cargo_accepted_at = _date;
00982
00983 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) {
00984 if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL)) {
00985 IndustryProductionCallback(i, 0);
00986 } else {
00987 SetWindowDirty(WC_INDUSTRY_VIEW, i->index);
00988 }
00989 } else {
00990 for (uint cargo_index = 0; cargo_index < lengthof(i->incoming_cargo_waiting); cargo_index++) {
00991 uint cargo_waiting = i->incoming_cargo_waiting[cargo_index];
00992 if (cargo_waiting == 0) continue;
00993
00994 i->produced_cargo_waiting[0] = min(i->produced_cargo_waiting[0] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][0] / 256), 0xFFFF);
00995 i->produced_cargo_waiting[1] = min(i->produced_cargo_waiting[1] + (cargo_waiting * indspec->input_cargo_multiplier[cargo_index][1] / 256), 0xFFFF);
00996
00997 i->incoming_cargo_waiting[cargo_index] = 0;
00998 }
00999 }
01000
01001 TriggerIndustry(i, INDUSTRY_TRIGGER_RECEIVED_CARGO);
01002 StartStopIndustryTileAnimation(i, IAT_INDUSTRY_RECEIVED_CARGO);
01003 }
01004
01009 CargoPayment::CargoPayment(Vehicle *front) :
01010 front(front),
01011 current_station(front->last_station_visited)
01012 {
01013 }
01014
01015 CargoPayment::~CargoPayment()
01016 {
01017 if (this->CleaningPool()) return;
01018
01019 this->front->cargo_payment = NULL;
01020
01021 if (this->visual_profit == 0 && this->visual_transfer == 0) return;
01022
01023 Backup<CompanyByte> cur_company(_current_company, this->front->owner, FILE_LINE);
01024
01025 SubtractMoneyFromCompany(CommandCost(this->front->GetExpenseType(true), -this->route_profit));
01026 this->front->profit_this_year += (this->visual_profit + this->visual_transfer) << 8;
01027
01028 if (this->route_profit != 0 && IsLocalCompany() && !PlayVehicleSound(this->front, VSE_LOAD_UNLOAD)) {
01029 SndPlayVehicleFx(SND_14_CASHTILL, this->front);
01030 }
01031
01032 if (this->visual_transfer != 0) {
01033 ShowFeederIncomeAnimation(this->front->x_pos, this->front->y_pos,
01034 this->front->z_pos, this->visual_transfer, -this->visual_profit);
01035 } else if (this->visual_profit != 0) {
01036 ShowCostOrIncomeAnimation(this->front->x_pos, this->front->y_pos,
01037 this->front->z_pos, -this->visual_profit);
01038 }
01039
01040 cur_company.Restore();
01041 }
01042
01048 void CargoPayment::PayFinalDelivery(const CargoPacket *cp, uint count)
01049 {
01050 if (this->owner == NULL) {
01051 this->owner = Company::Get(this->front->owner);
01052 }
01053
01054
01055 Money profit = DeliverGoods(count, this->ct, this->current_station, cp->SourceStationXY(), cp->DaysInTransit(), this->owner, cp->SourceSubsidyType(), cp->SourceSubsidyID());
01056 this->route_profit += profit;
01057
01058
01059 this->visual_profit += profit - cp->FeederShare();
01060 }
01061
01068 Money CargoPayment::PayTransfer(const CargoPacket *cp, uint count)
01069 {
01070 Money profit = GetTransportedGoodsIncome(
01071 count,
01072
01073 DistanceManhattan(cp->LoadedAtXY(), Station::Get(this->current_station)->xy),
01074 cp->DaysInTransit(),
01075 this->ct);
01076
01077 profit = profit * _settings_game.economy.feeder_payment_share / 100;
01078
01079 this->visual_transfer += profit;
01080 return profit;
01081 }
01082
01088 void PrepareUnload(Vehicle *front_v)
01089 {
01090 Station *curr_station = Station::Get(front_v->last_station_visited);
01091 curr_station->loading_vehicles.push_back(front_v);
01092
01093
01094 ClrBit(front_v->vehicle_flags, VF_LOADING_FINISHED);
01095
01096
01097 front_v->load_unload_ticks = 1;
01098
01099 if (front_v->orders.list != NULL && (front_v->current_order.GetUnloadType() & OUFB_NO_UNLOAD) != 0) {
01100
01101
01102
01103 StationID next_station_id = front_v->GetNextStoppingStation();
01104 if (next_station_id == INVALID_STATION) {
01105 return;
01106 } else {
01107 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01108 const CargoPacketList *packets = v->cargo.Packets();
01109 for (VehicleCargoList::ConstIterator i(packets->begin()); i != packets->end(); ++i) {
01110 curr_station->goods[v->cargo_type].UpdateFlowStats(
01111 (*i)->SourceStation(), (*i)->Count(), next_station_id);
01112 }
01113 }
01114 }
01115 } else {
01116 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01117 if (v->cargo_cap > 0 && !v->cargo.Empty()) {
01118 SetBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01119 }
01120 }
01121 }
01122
01123 assert(front_v->cargo_payment == NULL);
01124
01125
01126 assert_compile(CargoPaymentPool::MAX_SIZE == VehiclePool::MAX_SIZE);
01127 assert(CargoPayment::CanAllocateItem());
01128 front_v->cargo_payment = new CargoPayment(front_v);
01129 }
01130
01138 uint32 ReserveConsist(Station *st, Vehicle *u, StationID next_station)
01139 {
01140 uint32 ret = 0;
01141 if (_settings_game.order.improved_load && (u->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01142
01143 for (Vehicle *v = u; v != NULL; v = v->Next()) {
01144
01145
01146
01147
01148
01149
01150
01151
01152
01153
01154
01155
01156
01157
01158
01159
01160
01161
01162
01163 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING)) continue;
01164
01165 int cap = v->cargo_cap - v->cargo.Count();
01166 if (cap > 0) {
01167 int reserved = st->goods[v->cargo_type].cargo.MoveTo(&v->cargo, cap, next_station, true);
01168 if (reserved > 0) {
01169 cap -= reserved;
01170 SetBit(ret, v->cargo_type);
01171 }
01172 }
01173 }
01174 }
01175 return ret;
01176 }
01177
01184 static uint32 LoadUnloadVehicle(Vehicle *v, uint32 cargos_reserved)
01185 {
01186 assert(v->current_order.IsType(OT_LOADING));
01187
01188 StationID last_visited = v->last_station_visited;
01189 Station *st = Station::Get(last_visited);
01190
01191 StationID next_station = v->GetNextStoppingStation();
01192
01193
01194 if (v->load_unload_ticks != 0) {
01195 uint32 new_reserved = ReserveConsist(st, v, next_station);
01196 return cargos_reserved | new_reserved;
01197 }
01198
01199 OrderUnloadFlags unload_flags = v->current_order.GetUnloadType();
01200
01201 if (v->type == VEH_TRAIN && (!IsTileType(v->tile, MP_STATION) || GetStationIndex(v->tile) != st->index)) {
01202
01203
01204 SetBit(v->vehicle_flags, VF_LOADING_FINISHED);
01205 v->load_unload_ticks = 1;
01206 return cargos_reserved;
01207 }
01208
01209 int unloading_time = 0;
01210 Vehicle *u = v;
01211 bool dirty_vehicle = false;
01212 bool dirty_station = false;
01213
01214 bool completely_emptied = true;
01215 bool anything_unloaded = false;
01216 bool anything_loaded = false;
01217 uint32 full_load_amount = 0;
01218 uint32 cargo_not_full = 0;
01219 uint32 cargo_full = 0;
01220
01221 v->cur_speed = 0;
01222
01223 CargoPayment *payment = v->cargo_payment;
01224
01225 for (; v != NULL; v = v->Next()) {
01226 if (v->cargo_cap == 0) continue;
01227
01228 const Engine *e = Engine::Get(v->engine_type);
01229 byte load_amount = e->info.load_amount;
01230
01231
01232 if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = CeilDiv(load_amount, 4);
01233
01234 if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
01235 uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
01236 if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
01237 }
01238
01239 GoodsEntry *ge = &st->goods[v->cargo_type];
01240
01241 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING)) {
01242
01243
01244 uint cargo_count = v->cargo.OnboardCount();
01245 uint amount_unloaded = _settings_game.order.gradual_loading ? min(cargo_count, load_amount) : cargo_count;
01246
01247 uint prev_count = ge->cargo.Count();
01248 payment->SetCargo(v->cargo_type);
01249 uint delivered = ge->cargo.TakeFrom(&v->cargo, amount_unloaded, unload_flags,
01250 next_station, u->last_loading_station == last_visited, payment);
01251
01252 st->time_since_unload = 0;
01253 unloading_time += delivered;
01254
01255 if (ge->cargo.Count() > prev_count) {
01256
01257 dirty_station = true;
01258 if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) {
01259 InvalidateWindowData(WC_STATION_LIST, last_visited);
01260 SetBit(ge->acceptance_pickup, GoodsEntry::PICKUP);
01261 }
01262 }
01263
01264 anything_unloaded = true;
01265 dirty_vehicle = true;
01266
01267
01268
01269
01270
01271
01272 if (v->cargo.OnboardCount() == 0) {
01273
01274 if (!v->cargo.Empty()) completely_emptied = false;
01275 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01276 v->cargo.SwapReserved();
01277 }
01278
01279 continue;
01280 }
01281
01282
01283 if (u->current_order.GetLoadType() & OLFB_NO_LOAD || HasBit(u->vehicle_flags, VF_STOP_LOADING)) continue;
01284
01285
01286 int t;
01287 switch (u->type) {
01288 case VEH_TRAIN:
01289 case VEH_SHIP:
01290 t = u->vcache.cached_max_speed;
01291 break;
01292
01293 case VEH_ROAD:
01294 t = u->vcache.cached_max_speed / 2;
01295 break;
01296
01297 case VEH_AIRCRAFT:
01298 t = Aircraft::From(u)->GetSpeedOldUnits();
01299 break;
01300
01301 default: NOT_REACHED();
01302 }
01303
01304
01305 ge->last_speed = min(t, 255);
01306 ge->last_age = _cur_year - u->build_year;
01307 ge->days_since_pickup = 0;
01308
01309
01310
01311 int cap_left = v->cargo_cap - v->cargo.OnboardCount();
01312 if (cap_left > 0) {
01313 if (_settings_game.order.gradual_loading) cap_left = min(cap_left, load_amount);
01314 if (v->cargo.Empty()) TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
01315
01316 int loaded = 0;
01317 if (_settings_game.order.improved_load) {
01318 loaded += v->cargo.LoadReserved(cap_left);
01319 }
01320
01321 loaded += ge->cargo.MoveTo(&v->cargo, cap_left - loaded, next_station);
01322
01323
01324 if (loaded == cap_left) {
01325 SetBit(full_load_amount, v->cargo_type);
01326 } else {
01327 ClrBit(full_load_amount, v->cargo_type);
01328 }
01329
01330
01331
01332
01333
01334
01335
01336
01337 if (loaded > 0) {
01338 completely_emptied = false;
01339 anything_loaded = true;
01340
01341 st->time_since_load = 0;
01342 st->last_vehicle_type = v->type;
01343
01344 TriggerStationAnimation(st, st->xy, SAT_CARGO_TAKEN, v->cargo_type);
01345 AirportAnimationTrigger(st, AAT_STATION_CARGO_TAKEN, v->cargo_type);
01346
01347 unloading_time += loaded;
01348
01349 dirty_vehicle = dirty_station = true;
01350 } else if (_settings_game.order.improved_load && HasBit(cargos_reserved, v->cargo_type)) {
01351
01352
01353 SetBit(cargo_not_full, v->cargo_type);
01354 continue;
01355 }
01356 }
01357
01358 if (v->cargo.OnboardCount() >= v->cargo_cap) {
01359 SetBit(cargo_full, v->cargo_type);
01360 } else {
01361 SetBit(cargo_not_full, v->cargo_type);
01362 }
01363 }
01364
01365
01366 completely_emptied &= anything_unloaded;
01367
01368 v = u;
01369
01370 if (!anything_unloaded) delete payment;
01371
01372 ClrBit(u->vehicle_flags, VF_STOP_LOADING);
01373 if (anything_loaded || anything_unloaded) {
01374 if (_settings_game.order.gradual_loading) {
01375
01376
01377 const uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
01378
01379 unloading_time = gradual_loading_wait_time[v->type];
01380 }
01381
01382
01383 if (!anything_unloaded && full_load_amount == 0 && !(v->current_order.GetLoadType() & OLFB_FULL_LOAD) &&
01384 v->current_order_time >= (uint)max(v->current_order.wait_time - v->lateness_counter, 0)) {
01385 SetBit(v->vehicle_flags, VF_STOP_LOADING);
01386 }
01387 } else {
01388 bool finished_loading = true;
01389 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) {
01390 if (v->current_order.GetLoadType() == OLF_FULL_LOAD_ANY) {
01391
01392
01393 if ((v->type == VEH_AIRCRAFT && IsCargoInClass(v->cargo_type, CC_PASSENGERS) && v->cargo_cap > v->cargo.OnboardCount()) ||
01394 (cargo_not_full && (cargo_full & ~cargo_not_full) == 0)) {
01395 finished_loading = false;
01396 }
01397 } else if (cargo_not_full != 0) {
01398 finished_loading = false;
01399 }
01400
01401
01402 if (!finished_loading) v->RefreshNextHopsStats();
01403 }
01404 unloading_time = 20;
01405
01406 SB(v->vehicle_flags, VF_LOADING_FINISHED, 1, finished_loading);
01407 }
01408
01409 if (v->type == VEH_TRAIN) {
01410
01411 int overhang = v->GetGroundVehicleCache()->cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
01412 if (overhang > 0) {
01413 unloading_time <<= 1;
01414 unloading_time += (overhang * unloading_time) / 8;
01415 }
01416 }
01417
01418
01419
01420
01421
01422
01423
01424 if (_game_mode != GM_MENU && (_settings_client.gui.loading_indicators > (uint)(v->owner != _local_company && _local_company != COMPANY_SPECTATOR))) {
01425 StringID percent_up_down = STR_NULL;
01426 int percent = CalcPercentVehicleFilled(v, &percent_up_down);
01427 if (v->fill_percent_te_id == INVALID_TE_ID) {
01428 v->fill_percent_te_id = ShowFillingPercent(v->x_pos, v->y_pos, v->z_pos + 20, percent, percent_up_down);
01429 } else {
01430 UpdateFillingPercent(v->fill_percent_te_id, percent, percent_up_down);
01431 }
01432 }
01433
01434
01435 v->load_unload_ticks = max(1, unloading_time);
01436
01437 if (completely_emptied) {
01438 TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
01439 }
01440
01441 if (dirty_vehicle) {
01442 SetWindowDirty(GetWindowClassForVehicleType(v->type), v->owner);
01443 SetWindowDirty(WC_VEHICLE_DETAILS, v->index);
01444 v->MarkDirty();
01445 }
01446 if (dirty_station) {
01447 st->MarkTilesDirty(true);
01448 SetWindowDirty(WC_STATION_VIEW, last_visited);
01449 }
01450 return cargos_reserved;
01451 }
01452
01458 void LoadUnloadStation(Station *st)
01459 {
01460
01461 if (st->loading_vehicles.empty()) return;
01462
01463 Vehicle *last_loading = NULL;
01464 std::list<Vehicle *>::iterator iter;
01465
01466
01467 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01468 Vehicle *v = *iter;
01469
01470 if ((v->vehstatus & (VS_STOPPED | VS_CRASHED))) continue;
01471
01472 assert(v->load_unload_ticks != 0);
01473 if (--v->load_unload_ticks == 0) last_loading = v;
01474 }
01475
01476
01477
01478
01479
01480
01481
01482
01483 if (last_loading == NULL) return;
01484
01485 uint cargos_reserved = 0;
01486
01487 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01488 Vehicle *v = *iter;
01489 if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) cargos_reserved = LoadUnloadVehicle(v, cargos_reserved);
01490 if (v == last_loading) break;
01491 }
01492
01493
01494 const Industry * const *isend = _cargo_delivery_destinations.End();
01495 for (Industry **iid = _cargo_delivery_destinations.Begin(); iid != isend; iid++) {
01496 TriggerIndustryProduction(*iid);
01497 }
01498 _cargo_delivery_destinations.Clear();
01499 }
01500
01504 void CompaniesMonthlyLoop()
01505 {
01506 CompaniesGenStatistics();
01507 if (_settings_game.economy.inflation) {
01508 AddInflation();
01509 RecomputePrices();
01510 }
01511 CompaniesPayInterest();
01512 HandleEconomyFluctuations();
01513 }
01514
01515 static void DoAcquireCompany(Company *c)
01516 {
01517 CompanyID ci = c->index;
01518
01519 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
01520 cni->FillData(c, Company::Get(_current_company));
01521
01522 SetDParam(0, STR_NEWS_COMPANY_MERGER_TITLE);
01523 SetDParam(1, c->bankrupt_value == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION);
01524 SetDParamStr(2, cni->company_name);
01525 SetDParamStr(3, cni->other_company_name);
01526 SetDParam(4, c->bankrupt_value);
01527 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_MERGER, cni);
01528 AI::BroadcastNewEvent(new AIEventCompanyMerger(ci, _current_company));
01529
01530 ChangeOwnershipOfCompanyItems(ci, _current_company);
01531
01532 if (c->bankrupt_value == 0) {
01533 Company *owner = Company::Get(_current_company);
01534 owner->current_loan += c->current_loan;
01535 }
01536
01537 Money value = CalculateCompanyValue(c) >> 2;
01538 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01539 for (int i = 0; i != 4; i++) {
01540 if (c->share_owners[i] != COMPANY_SPECTATOR) {
01541 cur_company.Change(c->share_owners[i]);
01542 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, -value));
01543 }
01544 }
01545 cur_company.Restore();
01546
01547 if (c->is_ai) AI::Stop(c->index);
01548
01549 DeleteCompanyWindows(ci);
01550 InvalidateWindowClassesData(WC_TRAINS_LIST, 0);
01551 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
01552 InvalidateWindowClassesData(WC_ROADVEH_LIST, 0);
01553 InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
01554
01555 delete c;
01556 }
01557
01558 extern int GetAmountOwnedBy(const Company *c, Owner owner);
01559
01569 CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01570 {
01571 CommandCost cost(EXPENSES_OTHER);
01572 CompanyID target_company = (CompanyID)p1;
01573 Company *c = Company::GetIfValid(target_company);
01574
01575
01576
01577 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01578
01579
01580 if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
01581
01582
01583 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 0) return cost;
01584
01585 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 1) {
01586 if (!c->is_ai) return cost;
01587
01588 if (GetAmountOwnedBy(c, _current_company) == 3 && !MayCompanyTakeOver(_current_company, target_company)) return_cmd_error(STR_ERROR_TOO_MANY_VEHICLES_IN_GAME);
01589 }
01590
01591
01592 cost.AddCost(CalculateCompanyValue(c) >> 2);
01593 if (flags & DC_EXEC) {
01594 OwnerByte *b = c->share_owners;
01595
01596 while (*b != COMPANY_SPECTATOR) b++;
01597 *b = _current_company;
01598
01599 for (int i = 0; c->share_owners[i] == _current_company;) {
01600 if (++i == 4) {
01601 c->bankrupt_value = 0;
01602 DoAcquireCompany(c);
01603 break;
01604 }
01605 }
01606 SetWindowDirty(WC_COMPANY, target_company);
01607 CompanyAdminUpdate(c);
01608 }
01609 return cost;
01610 }
01611
01621 CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01622 {
01623 CompanyID target_company = (CompanyID)p1;
01624 Company *c = Company::GetIfValid(target_company);
01625
01626
01627
01628 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01629
01630
01631 if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
01632
01633
01634 Money cost = CalculateCompanyValue(c) >> 2;
01635 cost = -(cost - (cost >> 7));
01636
01637 if (flags & DC_EXEC) {
01638 OwnerByte *b = c->share_owners;
01639 while (*b != _current_company) b++;
01640 *b = COMPANY_SPECTATOR;
01641 SetWindowDirty(WC_COMPANY, target_company);
01642 CompanyAdminUpdate(c);
01643 }
01644 return CommandCost(EXPENSES_OTHER, cost);
01645 }
01646
01659 CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01660 {
01661 CompanyID target_company = (CompanyID)p1;
01662 Company *c = Company::GetIfValid(target_company);
01663 if (c == NULL) return CMD_ERROR;
01664
01665
01666 if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
01667
01668
01669 if (!_networking && _local_company == c->index) return CMD_ERROR;
01670
01671
01672 if (target_company == _current_company) return CMD_ERROR;
01673
01674
01675 if (!MayCompanyTakeOver(_current_company, target_company)) return CMD_ERROR;
01676
01677
01678 CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);
01679
01680 if (flags & DC_EXEC) {
01681 DoAcquireCompany(c);
01682 }
01683 return cost;
01684 }