src/economy_func.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   6  */
   7
   8 /** @file economy_func.h Functions related to the economy. */
   9
  10 #ifndef ECONOMY_FUNC_H
  11 #define ECONOMY_FUNC_H
  12
  13 #include "economy_type.h"
  14 #include "station_type.h"
  15 #include "cargo_type.h"
  16 #include "vehicle_type.h"
  17 #include "company_type.h"
  18
  19 void ResetPriceBaseMultipliers();
  20 void SetPriceBaseMultiplier(Price price, int factor);
  21
  22 extern const ScoreInfo _score_info[];
  23 extern int64_t _score_part[MAX_COMPANIES][SCORE_END];
  24 extern Economy _economy;
  25 /* Prices and also the fractional part. */
  26 extern Prices _price;
  27
  28 extern CargoScaler _town_cargo_scaler;
  29 extern CargoScaler _industry_cargo_scaler;
  30 extern CargoScaler _industry_inverse_cargo_scaler;
  31
  32 int UpdateCompanyRatingAndValue(Company *c, bool update);
  33 void StartupIndustryDailyChanges(bool init_counter);
  34
  35 Money GetTransportedGoodsIncome(uint num_pieces, uint dist, uint16_t transit_periods, CargoID cargo_type);
  36 uint MoveGoodsToStation(CargoID type, uint amount, SourceType source_type, SourceID source_id, const StationList &all_stations, Owner exclusivity = INVALID_OWNER);
  37
  38 void PrepareUnload(Vehicle *front_v);
  39 void LoadUnloadStation(Station *st);
  40
  41 Money GetPrice(Price index, uint cost_factor, const struct GRFFile *grf_file, int shift = 0);
  42
  43 void InitializeEconomy();
  44 void RecomputePrices();
  45 bool AddInflation(bool check_year = true);
  46
  47 /**
  48  * Is the economy in recession?
  49  * @return \c True if economy is in recession, \c false otherwise.
  50  */
  51 inline bool EconomyIsInRecession()
  52 {
  53         return _economy.fluct <= 0;
  54 }
  55
  56 uint ScaleQuantity(uint amount, int scale_factor, bool allow_trunc = false);
  57 uint ScaleQuantity(uint amount, int cf, int fine, bool allow_trunc = false);
  58
  59 int PercentageToScaleQuantityFactor(uint percentage);
  60
  61 void UpdateCargoScalers();
  62
  63 void PostAcquireCompany(Company *c);
  64
  65 #endif /* ECONOMY_FUNC_H */