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/* $Id$ */
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file subsidy_type.h basic types related to subsidies */
#ifndef SUBSIDY_TYPE_H
#define SUBSIDY_TYPE_H
#include "core/enum_type.hpp"
/** What part of a subsidy is something? */
enum PartOfSubsidy {
POS_NONE = 0, ///< nothing
POS_SRC = 1 << 0, ///< bit 0 set -> town/industry is source of subsidised path
POS_DST = 1 << 1, ///< bit 1 set -> town/industry is destination of subsidised path
};
/** Helper to store the PartOfSubsidy data in a single byte. */
typedef SimpleTinyEnumT<PartOfSubsidy, byte> PartOfSubsidyByte;
DECLARE_ENUM_AS_BIT_SET(PartOfSubsidy)
typedef uint16 SubsidyID; ///< ID of a subsidy
struct Subsidy;
#endif /* SUBSIDY_TYPE_H */
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