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