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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 "functions.h"
00035 #include "window_func.h"
00036 #include "date_func.h"
00037 #include "vehicle_func.h"
00038 #include "sound_func.h"
00039 #include "autoreplace_func.h"
00040 #include "company_gui.h"
00041 #include "signs_base.h"
00042 #include "subsidy_base.h"
00043 #include "subsidy_func.h"
00044 #include "station_base.h"
00045 #include "waypoint_base.h"
00046 #include "economy_base.h"
00047 #include "core/pool_func.hpp"
00048 #include "newgrf.h"
00049 #include "core/backup_type.hpp"
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
00285
00286 void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
00287 {
00288 #ifdef ENABLE_NETWORK
00289
00290 if (_networking) NetworkClientsToSpectators(old_owner);
00291 #endif
00292
00293 Town *t;
00294 Backup<CompanyByte> cur_company(_current_company, old_owner, FILE_LINE);
00295
00296 assert(old_owner != new_owner);
00297
00298 {
00299 Company *c;
00300 uint i;
00301
00302
00303 FOR_ALL_COMPANIES(c) {
00304 for (i = 0; i < 4; i++) {
00305 if (c->share_owners[i] == old_owner) {
00306
00307 CommandCost res = DoCommand(0, c->index, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00308
00309
00310 SubtractMoneyFromCompany(res);
00311 }
00312 }
00313 }
00314
00315
00316 Backup<CompanyByte> cur_company2(_current_company, FILE_LINE);
00317 c = Company::Get(old_owner);
00318 for (i = 0; i < 4; i++) {
00319 cur_company2.Change(c->share_owners[i]);
00320 if (_current_company != INVALID_OWNER) {
00321
00322 CommandCost res = DoCommand(0, old_owner, 0, DC_EXEC, CMD_SELL_SHARE_IN_COMPANY);
00323
00324
00325 SubtractMoneyFromCompany(res);
00326 }
00327 }
00328 cur_company2.Restore();
00329 }
00330
00331
00332
00333
00334 if (new_owner == INVALID_OWNER) {
00335 Company::Get(old_owner)->money = UINT64_MAX >> 2;
00336 }
00337
00338 Subsidy *s;
00339 FOR_ALL_SUBSIDIES(s) {
00340 if (s->awarded == old_owner) {
00341 if (new_owner == INVALID_OWNER) {
00342 delete s;
00343 } else {
00344 s->awarded = new_owner;
00345 }
00346 }
00347 }
00348 if (new_owner == INVALID_OWNER) RebuildSubsidisedSourceAndDestinationCache();
00349
00350
00351 FOR_ALL_TOWNS(t) {
00352
00353 if (new_owner != INVALID_OWNER) {
00354 if (HasBit(t->have_ratings, old_owner)) {
00355 if (HasBit(t->have_ratings, new_owner)) {
00356
00357 t->ratings[new_owner] = max(t->ratings[new_owner], t->ratings[old_owner]);
00358 } else {
00359 SetBit(t->have_ratings, new_owner);
00360 t->ratings[new_owner] = t->ratings[old_owner];
00361 }
00362 }
00363 }
00364
00365
00366 t->ratings[old_owner] = RATING_INITIAL;
00367 ClrBit(t->have_ratings, old_owner);
00368 }
00369
00370 {
00371 FreeUnitIDGenerator unitidgen[] = {
00372 FreeUnitIDGenerator(VEH_TRAIN, new_owner), FreeUnitIDGenerator(VEH_ROAD, new_owner),
00373 FreeUnitIDGenerator(VEH_SHIP, new_owner), FreeUnitIDGenerator(VEH_AIRCRAFT, new_owner)
00374 };
00375
00376 Vehicle *v;
00377 FOR_ALL_VEHICLES(v) {
00378 if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
00379 if (new_owner == INVALID_OWNER) {
00380 if (v->Previous() == NULL) delete v;
00381 } else {
00382 v->owner = new_owner;
00383 v->colourmap = PAL_NONE;
00384 if (v->IsEngineCountable()) Company::Get(new_owner)->num_engines[v->engine_type]++;
00385 if (v->IsPrimaryVehicle()) v->unitnumber = unitidgen[v->type].NextID();
00386
00387
00388 if (v->cargo_payment != NULL) v->cargo_payment->owner = NULL;
00389 }
00390 }
00391 }
00392 }
00393
00394
00395 {
00396 TileIndex tile = 0;
00397 do {
00398 ChangeTileOwner(tile, old_owner, new_owner);
00399 } while (++tile != MapSize());
00400
00401 if (new_owner != INVALID_OWNER) {
00402
00403
00404
00405
00406 tile = 0;
00407
00408 do {
00409 if (IsTileType(tile, MP_RAILWAY) && IsTileOwner(tile, new_owner) && HasSignals(tile)) {
00410 TrackBits tracks = GetTrackBits(tile);
00411 do {
00412 Track track = RemoveFirstTrack(&tracks);
00413 if (HasSignalOnTrack(tile, track)) AddTrackToSignalBuffer(tile, track, new_owner);
00414 } while (tracks != TRACK_BIT_NONE);
00415 } else if (IsLevelCrossingTile(tile) && IsTileOwner(tile, new_owner)) {
00416 UpdateLevelCrossing(tile);
00417 }
00418 } while (++tile != MapSize());
00419 }
00420
00421
00422 UpdateSignalsInBuffer();
00423 }
00424
00425
00426 Station *st;
00427 FOR_ALL_STATIONS(st) {
00428 if (st->owner == old_owner) {
00429
00430
00431 st->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00432 }
00433 }
00434
00435
00436 Waypoint *wp;
00437 FOR_ALL_WAYPOINTS(wp) {
00438 if (wp->owner == old_owner) {
00439 wp->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00440 }
00441 }
00442
00443
00444
00445 RemoveAllEngineReplacementForCompany(Company::Get(old_owner));
00446
00447 if (new_owner == INVALID_OWNER) {
00448 RemoveAllGroupsForCompany(old_owner);
00449 } else {
00450 Group *g;
00451 FOR_ALL_GROUPS(g) {
00452 if (g->owner == old_owner) g->owner = new_owner;
00453 }
00454 }
00455
00456 Sign *si;
00457 FOR_ALL_SIGNS(si) {
00458 if (si->owner == old_owner) si->owner = new_owner == INVALID_OWNER ? OWNER_NONE : new_owner;
00459 }
00460
00461
00462 if (new_owner != INVALID_OWNER) ChangeWindowOwner(old_owner, new_owner);
00463
00464 cur_company.Restore();
00465
00466 MarkWholeScreenDirty();
00467 }
00468
00473 static void CompanyCheckBankrupt(Company *c)
00474 {
00475
00476 if (c->money >= 0) {
00477 c->quarters_of_bankruptcy = 0;
00478 c->bankrupt_asked = 0;
00479 return;
00480 }
00481
00482 c->quarters_of_bankruptcy++;
00483
00484 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
00485 cni->FillData(c);
00486
00487 switch (c->quarters_of_bankruptcy) {
00488 case 0:
00489 case 1:
00490 free(cni);
00491 break;
00492
00493 case 2:
00494 SetDParam(0, STR_NEWS_COMPANY_IN_TROUBLE_TITLE);
00495 SetDParam(1, STR_NEWS_COMPANY_IN_TROUBLE_DESCRIPTION);
00496 SetDParamStr(2, cni->company_name);
00497 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_TROUBLE, cni);
00498 AI::BroadcastNewEvent(new AIEventCompanyInTrouble(c->index));
00499 break;
00500 case 3: {
00501
00502
00503 Money val = CalculateCompanyValue(c, false);
00504 if (val > 0) {
00505 c->bankrupt_value = val;
00506 c->bankrupt_asked = 1 << c->index;
00507 c->bankrupt_timeout = 0;
00508 free(cni);
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 free(cni);
00522 break;
00523 }
00524
00525
00526 DeleteCompanyWindows(c->index);
00527
00528
00529 SetDParam(0, STR_NEWS_COMPANY_BANKRUPT_TITLE);
00530 SetDParam(1, STR_NEWS_COMPANY_BANKRUPT_DESCRIPTION);
00531 SetDParamStr(2, cni->company_name);
00532 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_BANKRUPT, cni);
00533
00534 ChangeOwnershipOfCompanyItems(c->index, INVALID_OWNER);
00535
00536 if (c->is_ai) AI::Stop(c->index);
00537
00538 CompanyID c_index = c->index;
00539 delete c;
00540 AI::BroadcastNewEvent(new AIEventCompanyBankrupt(c_index));
00541 CompanyAdminBankrupt(c_index);
00542 }
00543 }
00544
00549 static void CompaniesGenStatistics()
00550 {
00551 Station *st;
00552
00553 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
00554 FOR_ALL_STATIONS(st) {
00555 cur_company.Change(st->owner);
00556 CommandCost cost(EXPENSES_PROPERTY, _price[PR_STATION_VALUE] >> 1);
00557 SubtractMoneyFromCompany(cost);
00558 }
00559 cur_company.Restore();
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_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 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) 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 << 8;
01027
01028 if (this->route_profit != 0) {
01029 if (IsLocalCompany() && !PlayVehicleSound(this->front, VSE_LOAD_UNLOAD)) {
01030 SndPlayVehicleFx(SND_14_CASHTILL, this->front);
01031 }
01032
01033 ShowCostOrIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, -this->visual_profit);
01034 } else {
01035 ShowFeederIncomeAnimation(this->front->x_pos, this->front->y_pos, this->front->z_pos, this->visual_profit);
01036 }
01037
01038 cur_company.Restore();
01039 }
01040
01046 void CargoPayment::PayFinalDelivery(const CargoPacket *cp, uint count)
01047 {
01048 if (this->owner == NULL) {
01049 this->owner = Company::Get(this->front->owner);
01050 }
01051
01052
01053 Money profit = DeliverGoods(count, this->ct, this->current_station, cp->SourceStationXY(), cp->DaysInTransit(), this->owner, cp->SourceSubsidyType(), cp->SourceSubsidyID());
01054 this->route_profit += profit;
01055
01056
01057 this->visual_profit += profit - cp->FeederShare();
01058 }
01059
01066 Money CargoPayment::PayTransfer(const CargoPacket *cp, uint count)
01067 {
01068 Money profit = GetTransportedGoodsIncome(
01069 count,
01070
01071 DistanceManhattan(cp->LoadedAtXY(), Station::Get(this->current_station)->xy),
01072 cp->DaysInTransit(),
01073 this->ct);
01074
01075 profit = profit * _settings_game.economy.feeder_payment_share / 100;
01076
01077 this->visual_profit += profit;
01078 return profit;
01079 }
01080
01085 void PrepareUnload(Vehicle *front_v)
01086 {
01087
01088 ClrBit(front_v->vehicle_flags, VF_LOADING_FINISHED);
01089
01090
01091 front_v->load_unload_ticks = 1;
01092
01093 if ((front_v->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01094 for (Vehicle *v = front_v; v != NULL; v = v->Next()) {
01095 if (v->cargo_cap > 0 && !v->cargo.Empty()) {
01096 SetBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01097 }
01098 }
01099 }
01100
01101 assert(front_v->cargo_payment == NULL);
01102 front_v->cargo_payment = new CargoPayment(front_v);
01103 }
01104
01113 static void LoadUnloadVehicle(Vehicle *v, int *cargo_left)
01114 {
01115 assert(v->current_order.IsType(OT_LOADING));
01116
01117
01118 if (v->load_unload_ticks != 0) {
01119 if (_settings_game.order.improved_load && (v->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01120
01121 for (; v != NULL; v = v->Next()) {
01122 int cap_left = v->cargo_cap - v->cargo.Count();
01123 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01124 }
01125 }
01126 return;
01127 }
01128
01129 StationID last_visited = v->last_station_visited;
01130 Station *st = Station::Get(last_visited);
01131
01132 if (v->type == VEH_TRAIN && (!IsTileType(v->tile, MP_STATION) || GetStationIndex(v->tile) != st->index)) {
01133
01134
01135 SetBit(v->vehicle_flags, VF_LOADING_FINISHED);
01136 v->load_unload_ticks = 1;
01137 return;
01138 }
01139
01140 int unloading_time = 0;
01141 Vehicle *u = v;
01142 bool dirty_vehicle = false;
01143 bool dirty_station = false;
01144
01145 bool completely_emptied = true;
01146 bool anything_unloaded = false;
01147 bool anything_loaded = false;
01148 uint32 full_load_amount = 0;
01149 uint32 cargo_not_full = 0;
01150 uint32 cargo_full = 0;
01151
01152 v->cur_speed = 0;
01153
01154 CargoPayment *payment = v->cargo_payment;
01155
01156 for (; v != NULL; v = v->Next()) {
01157 if (v->cargo_cap == 0) continue;
01158
01159 const Engine *e = Engine::Get(v->engine_type);
01160 byte load_amount = e->info.load_amount;
01161
01162
01163 if (v->type == VEH_AIRCRAFT && !Aircraft::From(v)->IsNormalAircraft()) load_amount = CeilDiv(load_amount, 4);
01164
01165 if (_settings_game.order.gradual_loading && HasBit(e->info.callback_mask, CBM_VEHICLE_LOAD_AMOUNT)) {
01166 uint16 cb_load_amount = GetVehicleCallback(CBID_VEHICLE_LOAD_AMOUNT, 0, 0, v->engine_type, v);
01167 if (cb_load_amount != CALLBACK_FAILED && GB(cb_load_amount, 0, 8) != 0) load_amount = GB(cb_load_amount, 0, 8);
01168 }
01169
01170 GoodsEntry *ge = &st->goods[v->cargo_type];
01171
01172 if (HasBit(v->vehicle_flags, VF_CARGO_UNLOADING) && (u->current_order.GetUnloadType() & OUFB_NO_UNLOAD) == 0) {
01173 uint cargo_count = v->cargo.Count();
01174 uint amount_unloaded = _settings_game.order.gradual_loading ? min(cargo_count, load_amount) : cargo_count;
01175 bool remaining = false;
01176 bool accepted = false;
01177
01178 payment->SetCargo(v->cargo_type);
01179
01180 if (HasBit(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE) && !(u->current_order.GetUnloadType() & OUFB_TRANSFER)) {
01181
01182 remaining = v->cargo.MoveTo<StationCargoList>(NULL, amount_unloaded, VehicleCargoList::MTA_FINAL_DELIVERY, payment, last_visited);
01183
01184 dirty_vehicle = true;
01185 accepted = true;
01186 }
01187
01188
01189
01190
01191
01192
01193 if ((u->current_order.GetUnloadType() & (OUFB_UNLOAD | OUFB_TRANSFER)) && (!accepted || v->cargo.Count() == cargo_count)) {
01194 remaining = v->cargo.MoveTo(&ge->cargo, amount_unloaded, u->current_order.GetUnloadType() & OUFB_TRANSFER ? VehicleCargoList::MTA_TRANSFER : VehicleCargoList::MTA_UNLOAD, payment);
01195 if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) {
01196 InvalidateWindowData(WC_STATION_LIST, last_visited);
01197 SetBit(ge->acceptance_pickup, GoodsEntry::PICKUP);
01198 }
01199
01200 dirty_vehicle = dirty_station = true;
01201 } else if (!accepted) {
01202
01203
01204 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01205
01206
01207
01208
01209
01210 anything_unloaded = true;
01211 continue;
01212 }
01213
01214
01215 st->time_since_unload = 0;
01216
01217 unloading_time += amount_unloaded;
01218
01219 anything_unloaded = true;
01220 if (_settings_game.order.gradual_loading && remaining) {
01221 completely_emptied = false;
01222 } else {
01223
01224 ClrBit(v->vehicle_flags, VF_CARGO_UNLOADING);
01225 }
01226
01227 continue;
01228 }
01229
01230
01231 if (u->current_order.GetLoadType() & OLFB_NO_LOAD || HasBit(u->vehicle_flags, VF_STOP_LOADING)) continue;
01232
01233
01234 int t;
01235 switch (u->type) {
01236 case VEH_TRAIN:
01237 case VEH_SHIP:
01238 t = u->vcache.cached_max_speed;
01239 break;
01240
01241 case VEH_ROAD:
01242 t = u->vcache.cached_max_speed / 2;
01243 break;
01244
01245 case VEH_AIRCRAFT:
01246 t = Aircraft::From(u)->GetSpeedOldUnits();
01247 break;
01248
01249 default: NOT_REACHED();
01250 }
01251
01252
01253 ge->last_speed = min(t, 255);
01254 ge->last_age = _cur_year - u->build_year;
01255 ge->days_since_pickup = 0;
01256
01257
01258
01259 int cap_left = v->cargo_cap - v->cargo.Count();
01260 if (!ge->cargo.Empty() && cap_left > 0) {
01261 uint cap = cap_left;
01262 uint count = ge->cargo.Count();
01263
01264
01265
01266 if (_settings_game.order.improved_load && cargo_left[v->cargo_type] <= 0) {
01267 SetBit(cargo_not_full, v->cargo_type);
01268 continue;
01269 }
01270
01271 if (cap > count) cap = count;
01272 if (_settings_game.order.gradual_loading) {
01273 cap = min(cap, load_amount);
01274 cap_left = min(cap_left, load_amount);
01275 }
01276 if (_settings_game.order.improved_load) {
01277
01278 cap = min((uint)cargo_left[v->cargo_type], cap);
01279 count = cargo_left[v->cargo_type];
01280 cargo_left[v->cargo_type] -= cap;
01281 }
01282
01283
01284 if (count >= (uint)cap_left) {
01285 SetBit(full_load_amount, v->cargo_type);
01286 } else {
01287 ClrBit(full_load_amount, v->cargo_type);
01288 }
01289
01290 if (v->cargo.Empty()) TriggerVehicle(v, VEHICLE_TRIGGER_NEW_CARGO);
01291
01292
01293
01294
01295
01296
01297
01298
01299 completely_emptied = false;
01300 anything_loaded = true;
01301
01302 ge->cargo.MoveTo(&v->cargo, cap, StationCargoList::MTA_CARGO_LOAD, NULL, st->xy);
01303
01304 st->time_since_load = 0;
01305 st->last_vehicle_type = v->type;
01306
01307 TriggerStationAnimation(st, st->xy, SAT_CARGO_TAKEN, v->cargo_type);
01308 AirportAnimationTrigger(st, AAT_STATION_CARGO_TAKEN, v->cargo_type);
01309
01310 unloading_time += cap;
01311
01312 dirty_vehicle = dirty_station = true;
01313 }
01314
01315 if (v->cargo.Count() >= v->cargo_cap) {
01316 SetBit(cargo_full, v->cargo_type);
01317 } else {
01318 SetBit(cargo_not_full, v->cargo_type);
01319 }
01320 }
01321
01322
01323 completely_emptied &= anything_unloaded;
01324
01325
01326
01327
01328
01329 if (_settings_game.order.improved_load && (u->current_order.GetLoadType() & OLFB_FULL_LOAD)) {
01330
01331 for (v = u; v != NULL; v = v->Next()) {
01332 int cap_left = v->cargo_cap - v->cargo.Count();
01333 if (cap_left > 0) cargo_left[v->cargo_type] -= cap_left;
01334 }
01335 }
01336
01337 v = u;
01338
01339 if (!anything_unloaded) delete payment;
01340
01341 ClrBit(u->vehicle_flags, VF_STOP_LOADING);
01342 if (anything_loaded || anything_unloaded) {
01343 if (_settings_game.order.gradual_loading) {
01344
01345
01346 const uint gradual_loading_wait_time[] = { 40, 20, 10, 20 };
01347
01348 unloading_time = gradual_loading_wait_time[v->type];
01349 }
01350
01351
01352 if (!anything_unloaded && full_load_amount == 0 && !(v->current_order.GetLoadType() & OLFB_FULL_LOAD) &&
01353 (!_settings_game.order.timetabling || v->current_order_time >= (uint)max(v->current_order.wait_time - v->lateness_counter, 0))) {
01354 SetBit(v->vehicle_flags, VF_STOP_LOADING);
01355 }
01356 } else {
01357 bool finished_loading = true;
01358 if (v->current_order.GetLoadType() & OLFB_FULL_LOAD) {
01359 if (v->current_order.GetLoadType() == OLF_FULL_LOAD_ANY) {
01360
01361
01362 if ((v->type == VEH_AIRCRAFT && IsCargoInClass(v->cargo_type, CC_PASSENGERS) && v->cargo_cap > v->cargo.Count()) ||
01363 (cargo_not_full && (cargo_full & ~cargo_not_full) == 0)) {
01364 finished_loading = false;
01365 }
01366 } else if (cargo_not_full != 0) {
01367 finished_loading = false;
01368 }
01369 }
01370 unloading_time = 20;
01371
01372 SB(v->vehicle_flags, VF_LOADING_FINISHED, 1, finished_loading);
01373 }
01374
01375 if (v->type == VEH_TRAIN) {
01376
01377 int overhang = v->GetGroundVehicleCache()->cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
01378 if (overhang > 0) {
01379 unloading_time <<= 1;
01380 unloading_time += (overhang * unloading_time) / 8;
01381 }
01382 }
01383
01384
01385
01386
01387
01388
01389
01390 if (_game_mode != GM_MENU && (_settings_client.gui.loading_indicators > (uint)(v->owner != _local_company && _local_company != COMPANY_SPECTATOR))) {
01391 StringID percent_up_down = STR_NULL;
01392 int percent = CalcPercentVehicleFilled(v, &percent_up_down);
01393 if (v->fill_percent_te_id == INVALID_TE_ID) {
01394 v->fill_percent_te_id = ShowFillingPercent(v->x_pos, v->y_pos, v->z_pos + 20, percent, percent_up_down);
01395 } else {
01396 UpdateFillingPercent(v->fill_percent_te_id, percent, percent_up_down);
01397 }
01398 }
01399
01400
01401 v->load_unload_ticks = max(1, unloading_time);
01402
01403 if (completely_emptied) {
01404 TriggerVehicle(v, VEHICLE_TRIGGER_EMPTY);
01405 }
01406
01407 if (dirty_vehicle) {
01408 SetWindowDirty(GetWindowClassForVehicleType(v->type), v->owner);
01409 SetWindowDirty(WC_VEHICLE_DETAILS, v->index);
01410 v->MarkDirty();
01411 }
01412 if (dirty_station) {
01413 st->MarkTilesDirty(true);
01414 SetWindowDirty(WC_STATION_VIEW, last_visited);
01415 }
01416 }
01417
01423 void LoadUnloadStation(Station *st)
01424 {
01425
01426 if (st->loading_vehicles.empty()) return;
01427
01428 Vehicle *last_loading = NULL;
01429 std::list<Vehicle *>::iterator iter;
01430
01431
01432 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01433 Vehicle *v = *iter;
01434
01435 if ((v->vehstatus & (VS_STOPPED | VS_CRASHED))) continue;
01436
01437 assert(v->load_unload_ticks != 0);
01438 if (--v->load_unload_ticks == 0) last_loading = v;
01439 }
01440
01441
01442
01443
01444
01445
01446
01447
01448 if (last_loading == NULL) return;
01449
01450 int cargo_left[NUM_CARGO];
01451
01452 for (uint i = 0; i < NUM_CARGO; i++) cargo_left[i] = st->goods[i].cargo.Count();
01453
01454 for (iter = st->loading_vehicles.begin(); iter != st->loading_vehicles.end(); ++iter) {
01455 Vehicle *v = *iter;
01456 if (!(v->vehstatus & (VS_STOPPED | VS_CRASHED))) LoadUnloadVehicle(v, cargo_left);
01457 if (v == last_loading) break;
01458 }
01459
01460
01461 const Industry * const *isend = _cargo_delivery_destinations.End();
01462 for (Industry **iid = _cargo_delivery_destinations.Begin(); iid != isend; iid++) {
01463 TriggerIndustryProduction(*iid);
01464 }
01465 _cargo_delivery_destinations.Clear();
01466 }
01467
01471 void CompaniesMonthlyLoop()
01472 {
01473 CompaniesGenStatistics();
01474 if (_settings_game.economy.inflation) {
01475 AddInflation();
01476 RecomputePrices();
01477 }
01478 CompaniesPayInterest();
01479 HandleEconomyFluctuations();
01480 }
01481
01482 static void DoAcquireCompany(Company *c)
01483 {
01484 CompanyID ci = c->index;
01485
01486 CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
01487 cni->FillData(c, Company::Get(_current_company));
01488
01489 SetDParam(0, STR_NEWS_COMPANY_MERGER_TITLE);
01490 SetDParam(1, c->bankrupt_value == 0 ? STR_NEWS_MERGER_TAKEOVER_TITLE : STR_NEWS_COMPANY_MERGER_DESCRIPTION);
01491 SetDParamStr(2, cni->company_name);
01492 SetDParamStr(3, cni->other_company_name);
01493 SetDParam(4, c->bankrupt_value);
01494 AddCompanyNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_MERGER, cni);
01495 AI::BroadcastNewEvent(new AIEventCompanyMerger(ci, _current_company));
01496
01497 ChangeOwnershipOfCompanyItems(ci, _current_company);
01498
01499 if (c->bankrupt_value == 0) {
01500 Company *owner = Company::Get(_current_company);
01501 owner->current_loan += c->current_loan;
01502 }
01503
01504 Money value = CalculateCompanyValue(c) >> 2;
01505 Backup<CompanyByte> cur_company(_current_company, FILE_LINE);
01506 for (int i = 0; i != 4; i++) {
01507 if (c->share_owners[i] != COMPANY_SPECTATOR) {
01508 cur_company.Change(c->share_owners[i]);
01509 SubtractMoneyFromCompany(CommandCost(EXPENSES_OTHER, -value));
01510 }
01511 }
01512 cur_company.Restore();
01513
01514 if (c->is_ai) AI::Stop(c->index);
01515
01516 DeleteCompanyWindows(ci);
01517 InvalidateWindowClassesData(WC_TRAINS_LIST, 0);
01518 InvalidateWindowClassesData(WC_SHIPS_LIST, 0);
01519 InvalidateWindowClassesData(WC_ROADVEH_LIST, 0);
01520 InvalidateWindowClassesData(WC_AIRCRAFT_LIST, 0);
01521
01522 delete c;
01523 }
01524
01525 extern int GetAmountOwnedBy(const Company *c, Owner owner);
01526
01536 CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01537 {
01538 CommandCost cost(EXPENSES_OTHER);
01539 CompanyID target_company = (CompanyID)p1;
01540 Company *c = Company::GetIfValid(target_company);
01541
01542
01543
01544 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01545
01546
01547 if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
01548
01549
01550 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 0) return cost;
01551
01552 if (GetAmountOwnedBy(c, COMPANY_SPECTATOR) == 1) {
01553 if (!c->is_ai) return cost;
01554
01555 if (GetAmountOwnedBy(c, _current_company) == 3 && !MayCompanyTakeOver(_current_company, target_company)) return_cmd_error(STR_ERROR_TOO_MANY_VEHICLES_IN_GAME);
01556 }
01557
01558
01559 cost.AddCost(CalculateCompanyValue(c) >> 2);
01560 if (flags & DC_EXEC) {
01561 OwnerByte *b = c->share_owners;
01562
01563 while (*b != COMPANY_SPECTATOR) b++;
01564 *b = _current_company;
01565
01566 for (int i = 0; c->share_owners[i] == _current_company;) {
01567 if (++i == 4) {
01568 c->bankrupt_value = 0;
01569 DoAcquireCompany(c);
01570 break;
01571 }
01572 }
01573 SetWindowDirty(WC_COMPANY, target_company);
01574 CompanyAdminUpdate(c);
01575 }
01576 return cost;
01577 }
01578
01588 CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01589 {
01590 CompanyID target_company = (CompanyID)p1;
01591 Company *c = Company::GetIfValid(target_company);
01592
01593
01594
01595 if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
01596
01597
01598 if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
01599
01600
01601 Money cost = CalculateCompanyValue(c) >> 2;
01602 cost = -(cost - (cost >> 7));
01603
01604 if (flags & DC_EXEC) {
01605 OwnerByte *b = c->share_owners;
01606 while (*b != _current_company) b++;
01607 *b = COMPANY_SPECTATOR;
01608 SetWindowDirty(WC_COMPANY, target_company);
01609 CompanyAdminUpdate(c);
01610 }
01611 return CommandCost(EXPENSES_OTHER, cost);
01612 }
01613
01626 CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01627 {
01628 CompanyID target_company = (CompanyID)p1;
01629 Company *c = Company::GetIfValid(target_company);
01630 if (c == NULL) return CMD_ERROR;
01631
01632
01633 if (!HasBit(c->bankrupt_asked, _current_company)) return CMD_ERROR;
01634
01635
01636 if (!_networking && _local_company == c->index) return CMD_ERROR;
01637
01638
01639 if (target_company == _current_company) return CMD_ERROR;
01640
01641
01642 if (!MayCompanyTakeOver(_current_company, target_company)) return CMD_ERROR;
01643
01644
01645 CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);
01646
01647 if (flags & DC_EXEC) {
01648 DoAcquireCompany(c);
01649 }
01650 return cost;
01651 }