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00012 #include "stdafx.h"
00013 #include "company_func.h"
00014 #include "command_func.h"
00015 #include "news_func.h"
00016 #include "aircraft.h"
00017 #include "newgrf.h"
00018 #include "newgrf_engine.h"
00019 #include "group.h"
00020 #include "strings_func.h"
00021 #include "core/random_func.hpp"
00022 #include "window_func.h"
00023 #include "date_func.h"
00024 #include "autoreplace_gui.h"
00025 #include "string_func.h"
00026 #include "ai/ai.hpp"
00027 #include "core/pool_func.hpp"
00028 #include "engine_gui.h"
00029 #include "engine_func.h"
00030 #include "engine_base.h"
00031 #include "company_base.h"
00032 #include "vehicle_func.h"
00033
00034 #include "table/strings.h"
00035 #include "table/engines.h"
00036
00037 EnginePool _engine_pool("Engine");
00038 INSTANTIATE_POOL_METHODS(Engine)
00039
00040 EngineOverrideManager _engine_mngr;
00041
00046 static Year _year_engine_aging_stops;
00047
00051 static uint16 _introduced_railtypes;
00052
00054 const uint8 _engine_counts[4] = {
00055 lengthof(_orig_rail_vehicle_info),
00056 lengthof(_orig_road_vehicle_info),
00057 lengthof(_orig_ship_vehicle_info),
00058 lengthof(_orig_aircraft_vehicle_info),
00059 };
00060
00062 const uint8 _engine_offsets[4] = {
00063 0,
00064 lengthof(_orig_rail_vehicle_info),
00065 lengthof(_orig_rail_vehicle_info) + lengthof(_orig_road_vehicle_info),
00066 lengthof(_orig_rail_vehicle_info) + lengthof(_orig_road_vehicle_info) + lengthof(_orig_ship_vehicle_info),
00067 };
00068
00069 assert_compile(lengthof(_orig_rail_vehicle_info) + lengthof(_orig_road_vehicle_info) + lengthof(_orig_ship_vehicle_info) + lengthof(_orig_aircraft_vehicle_info) == lengthof(_orig_engine_info));
00070
00071 const uint EngineOverrideManager::NUM_DEFAULT_ENGINES = _engine_counts[VEH_TRAIN] + _engine_counts[VEH_ROAD] + _engine_counts[VEH_SHIP] + _engine_counts[VEH_AIRCRAFT];
00072
00073 Engine::Engine() :
00074 name(NULL),
00075 overrides_count(0),
00076 overrides(NULL)
00077 {
00078 }
00079
00080 Engine::Engine(VehicleType type, EngineID base)
00081 {
00082 this->type = type;
00083 this->grf_prop.local_id = base;
00084 this->list_position = base;
00085
00086
00087 if (base >= _engine_counts[type]) {
00088
00089 this->info.base_life = 0xFF;
00090
00091 if (type == VEH_ROAD) this->u.road.tractive_effort = 0x4C;
00092
00093 switch (type) {
00094 case VEH_TRAIN: this->u.rail.visual_effect = VE_DEFAULT; break;
00095 case VEH_ROAD: this->u.road.visual_effect = VE_DEFAULT; break;
00096 case VEH_SHIP: this->u.ship.visual_effect = VE_DEFAULT; break;
00097 default: break;
00098 }
00099 return;
00100 }
00101
00102
00103 this->info = _orig_engine_info[_engine_offsets[type] + base];
00104
00105
00106 switch (type) {
00107 default: NOT_REACHED();
00108
00109 case VEH_TRAIN:
00110 this->u.rail = _orig_rail_vehicle_info[base];
00111 this->original_image_index = this->u.rail.image_index;
00112 this->info.string_id = STR_VEHICLE_NAME_TRAIN_ENGINE_RAIL_KIRBY_PAUL_TANK_STEAM + base;
00113
00114
00115 if (this->u.rail.railveh_type == RAILVEH_WAGON) this->info.base_life = 0xFF;
00116
00117 break;
00118
00119 case VEH_ROAD:
00120 this->u.road = _orig_road_vehicle_info[base];
00121 this->original_image_index = this->u.road.image_index;
00122 this->info.string_id = STR_VEHICLE_NAME_ROAD_VEHICLE_MPS_REGAL_BUS + base;
00123 break;
00124
00125 case VEH_SHIP:
00126 this->u.ship = _orig_ship_vehicle_info[base];
00127 this->original_image_index = this->u.ship.image_index;
00128 this->info.string_id = STR_VEHICLE_NAME_SHIP_MPS_OIL_TANKER + base;
00129 break;
00130
00131 case VEH_AIRCRAFT:
00132 this->u.air = _orig_aircraft_vehicle_info[base];
00133 this->original_image_index = this->u.air.image_index;
00134 this->info.string_id = STR_VEHICLE_NAME_AIRCRAFT_SAMPSON_U52 + base;
00135 break;
00136 }
00137 }
00138
00139 Engine::~Engine()
00140 {
00141 UnloadWagonOverrides(this);
00142 free(this->name);
00143 }
00144
00149 bool Engine::IsEnabled() const
00150 {
00151 return this->info.string_id != STR_NEWGRF_INVALID_ENGINE;
00152 }
00153
00159 bool Engine::CanCarryCargo() const
00160 {
00161
00162
00163
00164
00165
00166 switch (this->type) {
00167 case VEH_TRAIN:
00168 if (this->u.rail.capacity == 0) return false;
00169 break;
00170
00171 case VEH_ROAD:
00172 if (this->u.road.capacity == 0) return false;
00173 break;
00174
00175 case VEH_SHIP:
00176 case VEH_AIRCRAFT:
00177 break;
00178
00179 default: NOT_REACHED();
00180 }
00181 return this->GetDefaultCargoType() != CT_INVALID;
00182 }
00183
00196 uint Engine::GetDisplayDefaultCapacity(uint16 *mail_capacity) const
00197 {
00198 if (mail_capacity != NULL) *mail_capacity = 0;
00199 if (!this->CanCarryCargo()) return 0;
00200 switch (type) {
00201 case VEH_TRAIN:
00202 return GetEngineProperty(this->index, PROP_TRAIN_CARGO_CAPACITY, this->u.rail.capacity) + (this->u.rail.railveh_type == RAILVEH_MULTIHEAD ? this->u.rail.capacity : 0);
00203
00204 case VEH_ROAD:
00205 return GetEngineProperty(this->index, PROP_ROADVEH_CARGO_CAPACITY, this->u.road.capacity);
00206
00207 case VEH_SHIP:
00208 return GetEngineProperty(this->index, PROP_SHIP_CARGO_CAPACITY, this->u.ship.capacity);
00209
00210 case VEH_AIRCRAFT: {
00211 uint capacity = GetEngineProperty(this->index, PROP_AIRCRAFT_PASSENGER_CAPACITY, this->u.air.passenger_capacity);
00212 CargoID cargo = this->GetDefaultCargoType();
00213 if (IsCargoInClass(cargo, CC_PASSENGERS)) {
00214 if (mail_capacity != NULL) *mail_capacity = GetEngineProperty(this->index, PROP_AIRCRAFT_MAIL_CAPACITY, this->u.air.mail_capacity);
00215 } else {
00216 capacity += GetEngineProperty(this->index, PROP_AIRCRAFT_MAIL_CAPACITY, this->u.air.mail_capacity);
00217 }
00218 switch (cargo) {
00219 case CT_PASSENGERS:
00220 case CT_MAIL: return capacity;
00221 case CT_GOODS: return capacity / 2;
00222 default: return capacity / 4;
00223 }
00224 }
00225
00226 default: NOT_REACHED();
00227 }
00228 }
00229
00234 Money Engine::GetRunningCost() const
00235 {
00236 Price base_price;
00237 uint cost_factor;
00238 switch (this->type) {
00239 case VEH_ROAD:
00240 base_price = this->u.road.running_cost_class;
00241 if (base_price == INVALID_PRICE) return 0;
00242 cost_factor = GetEngineProperty(this->index, PROP_ROADVEH_RUNNING_COST_FACTOR, this->u.road.running_cost);
00243 break;
00244
00245 case VEH_TRAIN:
00246 base_price = this->u.rail.running_cost_class;
00247 if (base_price == INVALID_PRICE) return 0;
00248 cost_factor = GetEngineProperty(this->index, PROP_TRAIN_RUNNING_COST_FACTOR, this->u.rail.running_cost);
00249 break;
00250
00251 case VEH_SHIP:
00252 base_price = PR_RUNNING_SHIP;
00253 cost_factor = GetEngineProperty(this->index, PROP_SHIP_RUNNING_COST_FACTOR, this->u.ship.running_cost);
00254 break;
00255
00256 case VEH_AIRCRAFT:
00257 base_price = PR_RUNNING_AIRCRAFT;
00258 cost_factor = GetEngineProperty(this->index, PROP_AIRCRAFT_RUNNING_COST_FACTOR, this->u.air.running_cost);
00259 break;
00260
00261 default: NOT_REACHED();
00262 }
00263
00264 return GetPrice(base_price, cost_factor, this->grf_prop.grffile, -8);
00265 }
00266
00271 Money Engine::GetCost() const
00272 {
00273 Price base_price;
00274 uint cost_factor;
00275 switch (this->type) {
00276 case VEH_ROAD:
00277 base_price = PR_BUILD_VEHICLE_ROAD;
00278 cost_factor = GetEngineProperty(this->index, PROP_ROADVEH_COST_FACTOR, this->u.road.cost_factor);
00279 break;
00280
00281 case VEH_TRAIN:
00282 if (this->u.rail.railveh_type == RAILVEH_WAGON) {
00283 base_price = PR_BUILD_VEHICLE_WAGON;
00284 cost_factor = GetEngineProperty(this->index, PROP_TRAIN_COST_FACTOR, this->u.rail.cost_factor);
00285 } else {
00286 base_price = PR_BUILD_VEHICLE_TRAIN;
00287 cost_factor = GetEngineProperty(this->index, PROP_TRAIN_COST_FACTOR, this->u.rail.cost_factor);
00288 }
00289 break;
00290
00291 case VEH_SHIP:
00292 base_price = PR_BUILD_VEHICLE_SHIP;
00293 cost_factor = GetEngineProperty(this->index, PROP_SHIP_COST_FACTOR, this->u.ship.cost_factor);
00294 break;
00295
00296 case VEH_AIRCRAFT:
00297 base_price = PR_BUILD_VEHICLE_AIRCRAFT;
00298 cost_factor = GetEngineProperty(this->index, PROP_AIRCRAFT_COST_FACTOR, this->u.air.cost_factor);
00299 break;
00300
00301 default: NOT_REACHED();
00302 }
00303
00304 return GetPrice(base_price, cost_factor, this->grf_prop.grffile, -8);
00305 }
00306
00311 uint Engine::GetDisplayMaxSpeed() const
00312 {
00313 switch (this->type) {
00314 case VEH_TRAIN:
00315 return GetEngineProperty(this->index, PROP_TRAIN_SPEED, this->u.rail.max_speed);
00316
00317 case VEH_ROAD: {
00318 uint max_speed = GetEngineProperty(this->index, PROP_ROADVEH_SPEED, 0);
00319 return (max_speed != 0) ? max_speed * 2 : this->u.road.max_speed / 2;
00320 }
00321
00322 case VEH_SHIP:
00323 return GetEngineProperty(this->index, PROP_SHIP_SPEED, this->u.ship.max_speed) / 2;
00324
00325 case VEH_AIRCRAFT: {
00326 uint max_speed = GetEngineProperty(this->index, PROP_AIRCRAFT_SPEED, 0);
00327 if (max_speed != 0) {
00328 return (max_speed * 128) / 10;
00329 }
00330 return this->u.air.max_speed;
00331 }
00332
00333 default: NOT_REACHED();
00334 }
00335 }
00336
00343 uint Engine::GetPower() const
00344 {
00345
00346 switch (this->type) {
00347 case VEH_TRAIN:
00348 return GetEngineProperty(this->index, PROP_TRAIN_POWER, this->u.rail.power);
00349 case VEH_ROAD:
00350 return GetEngineProperty(this->index, PROP_ROADVEH_POWER, this->u.road.power) * 10;
00351
00352 default: NOT_REACHED();
00353 }
00354 }
00355
00361 uint Engine::GetDisplayWeight() const
00362 {
00363
00364 switch (this->type) {
00365 case VEH_TRAIN:
00366 return GetEngineProperty(this->index, PROP_TRAIN_WEIGHT, this->u.rail.weight) << (this->u.rail.railveh_type == RAILVEH_MULTIHEAD ? 1 : 0);
00367 case VEH_ROAD:
00368 return GetEngineProperty(this->index, PROP_ROADVEH_WEIGHT, this->u.road.weight) / 4;
00369
00370 default: NOT_REACHED();
00371 }
00372 }
00373
00379 uint Engine::GetDisplayMaxTractiveEffort() const
00380 {
00381
00382 switch (this->type) {
00383 case VEH_TRAIN:
00384 return (10 * this->GetDisplayWeight() * GetEngineProperty(this->index, PROP_TRAIN_TRACTIVE_EFFORT, this->u.rail.tractive_effort)) / 256;
00385 case VEH_ROAD:
00386 return (10 * this->GetDisplayWeight() * GetEngineProperty(this->index, PROP_ROADVEH_TRACTIVE_EFFORT, this->u.road.tractive_effort)) / 256;
00387
00388 default: NOT_REACHED();
00389 }
00390 }
00391
00396 Date Engine::GetLifeLengthInDays() const
00397 {
00398
00399 return (this->info.lifelength + _settings_game.vehicle.extend_vehicle_life) * DAYS_IN_LEAP_YEAR;
00400 }
00401
00405 void EngineOverrideManager::ResetToDefaultMapping()
00406 {
00407 this->Clear();
00408 for (VehicleType type = VEH_TRAIN; type <= VEH_AIRCRAFT; type++) {
00409 for (uint internal_id = 0; internal_id < _engine_counts[type]; internal_id++) {
00410 EngineIDMapping *eid = this->Append();
00411 eid->type = type;
00412 eid->grfid = INVALID_GRFID;
00413 eid->internal_id = internal_id;
00414 eid->substitute_id = internal_id;
00415 }
00416 }
00417 }
00418
00428 EngineID EngineOverrideManager::GetID(VehicleType type, uint16 grf_local_id, uint32 grfid)
00429 {
00430 const EngineIDMapping *end = this->End();
00431 EngineID index = 0;
00432 for (const EngineIDMapping *eid = this->Begin(); eid != end; eid++, index++) {
00433 if (eid->type == type && eid->grfid == grfid && eid->internal_id == grf_local_id) {
00434 return index;
00435 }
00436 }
00437 return INVALID_ENGINE;
00438 }
00439
00445 bool EngineOverrideManager::ResetToCurrentNewGRFConfig()
00446 {
00447 const Vehicle *v;
00448 FOR_ALL_VEHICLES(v) {
00449 if (IsCompanyBuildableVehicleType(v)) return false;
00450 }
00451
00452
00453 _engine_mngr.ResetToDefaultMapping();
00454 ReloadNewGRFData();
00455
00456 return true;
00457 }
00458
00462 void SetCachedEngineCounts()
00463 {
00464 size_t engines = Engine::GetPoolSize();
00465
00466
00467 Company *c;
00468 FOR_ALL_COMPANIES(c) {
00469 free(c->num_engines);
00470 c->num_engines = CallocT<EngineID>(engines);
00471 }
00472
00473
00474 Group *g;
00475 FOR_ALL_GROUPS(g) {
00476 free(g->num_engines);
00477 g->num_engines = CallocT<EngineID>(engines);
00478 }
00479
00480 const Vehicle *v;
00481 FOR_ALL_VEHICLES(v) {
00482 if (!v->IsEngineCountable()) continue;
00483
00484 assert(v->engine_type < engines);
00485
00486 Company::Get(v->owner)->num_engines[v->engine_type]++;
00487
00488 if (v->group_id == DEFAULT_GROUP) continue;
00489
00490 g = Group::Get(v->group_id);
00491 assert(v->type == g->vehicle_type);
00492 assert(v->owner == g->owner);
00493
00494 g->num_engines[v->engine_type]++;
00495 }
00496 }
00497
00501 void SetupEngines()
00502 {
00503 DeleteWindowByClass(WC_ENGINE_PREVIEW);
00504 _engine_pool.CleanPool();
00505
00506 assert(_engine_mngr.Length() >= _engine_mngr.NUM_DEFAULT_ENGINES);
00507 const EngineIDMapping *end = _engine_mngr.End();
00508 uint index = 0;
00509 for (const EngineIDMapping *eid = _engine_mngr.Begin(); eid != end; eid++, index++) {
00510
00511
00512 assert(Engine::CanAllocateItem());
00513 const Engine *e = new Engine(eid->type, eid->internal_id);
00514 assert(e->index == index);
00515 }
00516
00517 _introduced_railtypes = 0;
00518 }
00519
00523 static void CheckRailIntroduction()
00524 {
00525
00526 if (_introduced_railtypes == UINT16_MAX || Company::GetPoolSize() == 0) return;
00527
00528
00529 RailTypes rts = (RailTypes)UINT16_MAX;
00530
00531
00532 Company *c;
00533 FOR_ALL_COMPANIES(c) {
00534 c->avail_railtypes = AddDateIntroducedRailTypes(c->avail_railtypes, _date);
00535 rts &= c->avail_railtypes;
00536 }
00537
00538 _introduced_railtypes |= rts;
00539 }
00540
00541 void ShowEnginePreviewWindow(EngineID engine);
00542
00548 static bool IsWagon(EngineID index)
00549 {
00550 const Engine *e = Engine::Get(index);
00551 return e->type == VEH_TRAIN && e->u.rail.railveh_type == RAILVEH_WAGON;
00552 }
00553
00558 static void CalcEngineReliability(Engine *e)
00559 {
00560 uint age = e->age;
00561
00562
00563 if (e->company_avail != 0 && !_settings_game.vehicle.never_expire_vehicles && e->info.base_life != 0xFF) {
00564 int retire_early = e->info.retire_early;
00565 uint retire_early_max_age = max(0, e->duration_phase_1 + e->duration_phase_2 - retire_early * 12);
00566 if (retire_early != 0 && age >= retire_early_max_age) {
00567
00568 e->company_avail = 0;
00569 AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
00570 }
00571 }
00572
00573 if (age < e->duration_phase_1) {
00574 uint start = e->reliability_start;
00575 e->reliability = age * (e->reliability_max - start) / e->duration_phase_1 + start;
00576 } else if ((age -= e->duration_phase_1) < e->duration_phase_2 || _settings_game.vehicle.never_expire_vehicles || e->info.base_life == 0xFF) {
00577
00578
00579 e->reliability = e->reliability_max;
00580 } else if ((age -= e->duration_phase_2) < e->duration_phase_3) {
00581 uint max = e->reliability_max;
00582 e->reliability = (int)age * (int)(e->reliability_final - max) / e->duration_phase_3 + max;
00583 } else {
00584
00585
00586 e->company_avail = 0;
00587 e->reliability = e->reliability_final;
00588
00589 AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
00590 }
00591 SetWindowClassesDirty(WC_BUILD_VEHICLE);
00592 SetWindowClassesDirty(WC_REPLACE_VEHICLE);
00593 }
00594
00596 void SetYearEngineAgingStops()
00597 {
00598
00599 _year_engine_aging_stops = 2050;
00600
00601 const Engine *e;
00602 FOR_ALL_ENGINES(e) {
00603 const EngineInfo *ei = &e->info;
00604
00605
00606 if (!HasBit(ei->climates, _settings_game.game_creation.landscape)) continue;
00607 if (e->type == VEH_TRAIN && e->u.rail.railveh_type == RAILVEH_WAGON) continue;
00608
00609
00610 YearMonthDay ymd;
00611 ConvertDateToYMD(ei->base_intro + (ei->lifelength * DAYS_IN_LEAP_YEAR) / 2, &ymd);
00612
00613 _year_engine_aging_stops = max(_year_engine_aging_stops, ymd.year);
00614 }
00615 }
00616
00622 void StartupOneEngine(Engine *e, Date aging_date)
00623 {
00624 const EngineInfo *ei = &e->info;
00625
00626 e->age = 0;
00627 e->flags = 0;
00628 e->company_avail = 0;
00629
00630
00631
00632
00633 uint32 r = Random();
00634 e->intro_date = ei->base_intro <= ConvertYMDToDate(_settings_game.game_creation.starting_year + 2, 0, 1) ? ei->base_intro : (Date)GB(r, 0, 9) + ei->base_intro;
00635 if (e->intro_date <= _date) {
00636 e->age = (aging_date - e->intro_date) >> 5;
00637 e->company_avail = (CompanyMask)-1;
00638 e->flags |= ENGINE_AVAILABLE;
00639 }
00640
00641 e->reliability_start = GB(r, 16, 14) + 0x7AE0;
00642 r = Random();
00643 e->reliability_max = GB(r, 0, 14) + 0xBFFF;
00644 e->reliability_final = GB(r, 16, 14) + 0x3FFF;
00645
00646 r = Random();
00647 e->duration_phase_1 = GB(r, 0, 5) + 7;
00648 e->duration_phase_2 = GB(r, 5, 4) + ei->base_life * 12 - 96;
00649 e->duration_phase_3 = GB(r, 9, 7) + 120;
00650
00651 e->reliability_spd_dec = ei->decay_speed << 2;
00652
00653 CalcEngineReliability(e);
00654
00655
00656 if (!HasBit(ei->climates, _settings_game.game_creation.landscape)) {
00657 e->flags |= ENGINE_AVAILABLE;
00658 e->company_avail = 0;
00659 }
00660 }
00661
00663 void StartupEngines()
00664 {
00665 Engine *e;
00666
00667 const Date aging_date = min(_date, ConvertYMDToDate(_year_engine_aging_stops, 0, 1));
00668
00669 FOR_ALL_ENGINES(e) {
00670 StartupOneEngine(e, aging_date);
00671 }
00672
00673
00674 Company *c;
00675 FOR_ALL_COMPANIES(c) {
00676 c->avail_railtypes = GetCompanyRailtypes(c->index);
00677 c->avail_roadtypes = GetCompanyRoadtypes(c->index);
00678 }
00679
00680
00681
00682
00683
00684 for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
00685 const RailtypeInfo *rti = GetRailTypeInfo(rt);
00686 if (rti->label != 0 && IsInsideMM(rti->introduction_date, 0, MAX_DAY)) continue;
00687
00688 SetBit(_introduced_railtypes, rt);
00689 }
00690
00691 CheckRailIntroduction();
00692
00693
00694 InvalidateWindowClassesData(WC_BUILD_VEHICLE);
00695 }
00696
00702 static void AcceptEnginePreview(EngineID eid, CompanyID company)
00703 {
00704 Engine *e = Engine::Get(eid);
00705 Company *c = Company::Get(company);
00706
00707 SetBit(e->company_avail, company);
00708 if (e->type == VEH_TRAIN) {
00709 assert(e->u.rail.railtype < RAILTYPE_END);
00710 c->avail_railtypes = AddDateIntroducedRailTypes(c->avail_railtypes | GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes, _date);
00711 } else if (e->type == VEH_ROAD) {
00712 SetBit(c->avail_roadtypes, HasBit(e->info.misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);
00713 }
00714
00715 e->preview_company_rank = 0xFF;
00716 if (company == _local_company) {
00717 AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
00718 }
00719
00720
00721 if (e->type == VEH_ROAD) InvalidateWindowData(WC_BUILD_TOOLBAR, TRANSPORT_ROAD);
00722 if (e->type == VEH_SHIP) InvalidateWindowData(WC_BUILD_TOOLBAR, TRANSPORT_WATER);
00723 }
00724
00730 static CompanyID GetBestCompany(uint8 pp)
00731 {
00732 CompanyID best_company;
00733 CompanyMask mask = 0;
00734
00735 do {
00736 int32 best_hist = -1;
00737 best_company = INVALID_COMPANY;
00738
00739 const Company *c;
00740 FOR_ALL_COMPANIES(c) {
00741 if (c->block_preview == 0 && !HasBit(mask, c->index) &&
00742 c->old_economy[0].performance_history > best_hist) {
00743 best_hist = c->old_economy[0].performance_history;
00744 best_company = c->index;
00745 }
00746 }
00747
00748 if (best_company == INVALID_COMPANY) return INVALID_COMPANY;
00749
00750 SetBit(mask, best_company);
00751 } while (--pp != 0);
00752
00753 return best_company;
00754 }
00755
00757 void EnginesDailyLoop()
00758 {
00759 CheckRailIntroduction();
00760
00761 if (_cur_year >= _year_engine_aging_stops) return;
00762
00763 Engine *e;
00764 FOR_ALL_ENGINES(e) {
00765 EngineID i = e->index;
00766 if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) {
00767 if (e->flags & ENGINE_OFFER_WINDOW_OPEN) {
00768 if (e->preview_company_rank != 0xFF && !--e->preview_wait) {
00769 e->flags &= ~ENGINE_OFFER_WINDOW_OPEN;
00770 DeleteWindowById(WC_ENGINE_PREVIEW, i);
00771 e->preview_company_rank++;
00772 }
00773 } else if (e->preview_company_rank != 0xFF) {
00774 CompanyID best_company = GetBestCompany(e->preview_company_rank);
00775
00776 if (best_company == INVALID_COMPANY) {
00777 e->preview_company_rank = 0xFF;
00778 continue;
00779 }
00780
00781 e->flags |= ENGINE_OFFER_WINDOW_OPEN;
00782 e->preview_wait = 20;
00783 AI::NewEvent(best_company, new AIEventEnginePreview(i));
00784 if (IsInteractiveCompany(best_company)) ShowEnginePreviewWindow(i);
00785 }
00786 }
00787 }
00788 }
00789
00800 CommandCost CmdWantEnginePreview(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00801 {
00802 Engine *e = Engine::GetIfValid(p1);
00803 if (e == NULL || GetBestCompany(e->preview_company_rank) != _current_company) return CMD_ERROR;
00804
00805 if (flags & DC_EXEC) AcceptEnginePreview(p1, _current_company);
00806
00807 return CommandCost();
00808 }
00809
00815 static void NewVehicleAvailable(Engine *e)
00816 {
00817 Vehicle *v;
00818 Company *c;
00819 EngineID index = e->index;
00820
00821
00822
00823 if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) {
00824 FOR_ALL_COMPANIES(c) {
00825 uint block_preview = c->block_preview;
00826
00827 if (!HasBit(e->company_avail, c->index)) continue;
00828
00829
00830 c->block_preview = 20;
00831
00832 FOR_ALL_VEHICLES(v) {
00833 if (v->type == VEH_TRAIN || v->type == VEH_ROAD || v->type == VEH_SHIP ||
00834 (v->type == VEH_AIRCRAFT && Aircraft::From(v)->IsNormalAircraft())) {
00835 if (v->owner == c->index && v->engine_type == index) {
00836
00837 c->block_preview = block_preview;
00838 break;
00839 }
00840 }
00841 }
00842 }
00843 }
00844
00845 e->flags = (e->flags & ~ENGINE_EXCLUSIVE_PREVIEW) | ENGINE_AVAILABLE;
00846 AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
00847
00848
00849 e->company_avail = (CompanyMask)-1;
00850
00851
00852 if (IsWagon(index)) return;
00853
00854 if (e->type == VEH_TRAIN) {
00855
00856 RailType railtype = e->u.rail.railtype;
00857 assert(railtype < RAILTYPE_END);
00858 FOR_ALL_COMPANIES(c) c->avail_railtypes = AddDateIntroducedRailTypes(c->avail_railtypes | GetRailTypeInfo(e->u.rail.railtype)->introduces_railtypes, _date);
00859 } else if (e->type == VEH_ROAD) {
00860
00861 FOR_ALL_COMPANIES(c) SetBit(c->avail_roadtypes, HasBit(e->info.misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD);
00862 }
00863
00864 AI::BroadcastNewEvent(new AIEventEngineAvailable(index));
00865
00866 SetDParam(0, GetEngineCategoryName(index));
00867 SetDParam(1, index);
00868 AddNewsItem(STR_NEWS_NEW_VEHICLE_NOW_AVAILABLE_WITH_TYPE, NS_NEW_VEHICLES, NR_ENGINE, index);
00869
00870
00871 if (e->type == VEH_ROAD) InvalidateWindowData(WC_BUILD_TOOLBAR, TRANSPORT_ROAD);
00872 if (e->type == VEH_SHIP) InvalidateWindowData(WC_BUILD_TOOLBAR, TRANSPORT_WATER);
00873 }
00874
00875 void EnginesMonthlyLoop()
00876 {
00877 if (_cur_year < _year_engine_aging_stops) {
00878 Engine *e;
00879 FOR_ALL_ENGINES(e) {
00880
00881 if ((e->flags & ENGINE_AVAILABLE) && e->age != MAX_DAY) {
00882 e->age++;
00883 CalcEngineReliability(e);
00884 }
00885
00886
00887 if (!e->IsEnabled()) continue;
00888
00889 if (!(e->flags & ENGINE_AVAILABLE) && _date >= (e->intro_date + DAYS_IN_YEAR)) {
00890
00891 NewVehicleAvailable(e);
00892 } else if (!(e->flags & (ENGINE_AVAILABLE | ENGINE_EXCLUSIVE_PREVIEW)) && _date >= e->intro_date) {
00893
00894 e->flags |= ENGINE_EXCLUSIVE_PREVIEW;
00895
00896
00897 if (!IsWagon(e->index)) {
00898 e->preview_company_rank = 1;
00899 }
00900 }
00901 }
00902 }
00903 }
00904
00905 static bool IsUniqueEngineName(const char *name)
00906 {
00907 const Engine *e;
00908
00909 FOR_ALL_ENGINES(e) {
00910 if (e->name != NULL && strcmp(e->name, name) == 0) return false;
00911 }
00912
00913 return true;
00914 }
00915
00925 CommandCost CmdRenameEngine(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00926 {
00927 Engine *e = Engine::GetIfValid(p1);
00928 if (e == NULL) return CMD_ERROR;
00929
00930 bool reset = StrEmpty(text);
00931
00932 if (!reset) {
00933 if (Utf8StringLength(text) >= MAX_LENGTH_ENGINE_NAME_CHARS) return CMD_ERROR;
00934 if (!IsUniqueEngineName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
00935 }
00936
00937 if (flags & DC_EXEC) {
00938 free(e->name);
00939
00940 if (reset) {
00941 e->name = NULL;
00942 } else {
00943 e->name = strdup(text);
00944 }
00945
00946 MarkWholeScreenDirty();
00947 }
00948
00949 return CommandCost();
00950 }
00951
00952
00961 bool IsEngineBuildable(EngineID engine, VehicleType type, CompanyID company)
00962 {
00963 const Engine *e = Engine::GetIfValid(engine);
00964
00965
00966 if (e == NULL) return false;
00967
00968
00969 if (e->type != type) return false;
00970
00971
00972 if (!HasBit(e->company_avail, company)) return false;
00973
00974 if (!e->IsEnabled()) return false;
00975
00976 if (type == VEH_TRAIN) {
00977
00978 const Company *c = Company::Get(company);
00979 if (((GetRailTypeInfo(e->u.rail.railtype))->compatible_railtypes & c->avail_railtypes) == 0) return false;
00980 }
00981
00982 return true;
00983 }
00984
00991 bool IsEngineRefittable(EngineID engine)
00992 {
00993 const Engine *e = Engine::GetIfValid(engine);
00994
00995
00996 if (e == NULL) return false;
00997
00998 if (!e->CanCarryCargo()) return false;
00999
01000 const EngineInfo *ei = &e->info;
01001 if (ei->refit_mask == 0) return false;
01002
01003
01004
01005 if (HasBit(ei->callback_mask, CBM_VEHICLE_CARGO_SUFFIX)) return true;
01006
01007
01008 CargoID default_cargo = e->GetDefaultCargoType();
01009 return default_cargo != CT_INVALID && ei->refit_mask != 1U << default_cargo;
01010 }