src/company_func.h

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file company_func.h Functions related to companies. */
  11
  12 #ifndef COMPANY_FUNC_H
  13 #define COMPANY_FUNC_H
  14
  15 #include "command_type.h"
  16 #include "company_type.h"
  17 #include "gfx_type.h"
  18 #include "vehicle_type.h"
  19
  20 bool MayCompanyTakeOver(CompanyID cbig, CompanyID small);
  21 void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner);
  22 void GetNameOfOwner(Owner owner, TileIndex tile);
  23 void SetLocalCompany(CompanyID new_company);
  24 void ShowBuyCompanyDialog(CompanyID company);
  25 void CompanyAdminUpdate(const Company *company);
  26 void CompanyAdminBankrupt(CompanyID company_id);
  27 void UpdateLandscapingLimits();
  28
  29 bool CheckCompanyHasMoney(CommandCost &cost);
  30 void SubtractMoneyFromCompany(CommandCost cost);
  31 void SubtractMoneyFromCompanyFract(CompanyID company, CommandCost cost);
  32 CommandCost CheckOwnership(Owner owner, TileIndex tile = 0);
  33 CommandCost CheckTileOwnership(TileIndex tile);
  34
  35 extern CompanyByte _local_company;
  36 extern CompanyByte _current_company;
  37
  38 extern Colours _company_colours[MAX_COMPANIES];
  39 extern CompanyManagerFace _company_manager_face;
  40
  41 /**
  42  * Is the current company the local company?
  43  * @return \c true of the current company is the local company, \c false otherwise.
  44  */
  45 static inline bool IsLocalCompany()
  46 {
  47         return _local_company == _current_company;
  48 }
  49
  50 /**
  51  * Is the user representing \a company?
  52  * @param company Company where interaction is needed with.
  53  * @return Gives \c true if the user can answer questions interactively as representative of \a company, else \c false
  54  */
  55 static inline bool IsInteractiveCompany(CompanyID company)
  56 {
  57         return company == _local_company;
  58 }
  59
  60 int CompanyServiceInterval(const Company *c, VehicleType type);
  61
  62 #endif /* COMPANY_FUNC_H */