00001 /* $Id$ */ 00002 00003 /* 00004 * This file is part of OpenTTD. 00005 * 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. 00006 * 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. 00007 * 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/>. 00008 */ 00009 00012 #ifndef AI_SUBSIDY_HPP 00013 #define AI_SUBSIDY_HPP 00014 00015 #include "ai_company.hpp" 00016 00020 class AISubsidy : public AIObject { 00021 public: 00023 static const char *GetClassName() { return "AISubsidy"; } 00024 00029 enum SubsidyParticipantType { 00030 SPT_INDUSTRY = 0, 00031 SPT_TOWN = 1, 00032 SPT_INVALID = 0xFF, 00033 }; 00034 00040 static bool IsValidSubsidy(SubsidyID subsidy_id); 00041 00048 static bool IsAwarded(SubsidyID subsidy_id); 00049 00056 static AICompany::CompanyID GetAwardedTo(SubsidyID subsidy_id); 00057 00068 static int32 GetExpireDate(SubsidyID subsidy_id); 00069 00077 static CargoID GetCargoType(SubsidyID subsidy_id); 00078 00085 static SubsidyParticipantType GetSourceType(SubsidyID subsidy_id); 00086 00095 static int32 GetSourceIndex(SubsidyID subsidy_id); 00096 00103 static SubsidyParticipantType GetDestinationType(SubsidyID subsidy_id); 00104 00113 static int32 GetDestinationIndex(SubsidyID subsidy_id); 00114 }; 00115 00116 #endif /* AI_SUBSIDY_HPP */