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-rw-r--r--src/subsidy_type.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/subsidy_type.h b/src/subsidy_type.h
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+++ b/src/subsidy_type.h
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+/* $Id$ */
+
+/** @file subsidy_type.h basic types related to subsidies */
+
+#ifndef SUBSIDY_TYPE_H
+#define SUBSIDY_TYPE_H
+
+#include "core/enum_type.hpp"
+
+enum PartOfSubsidy {
+ POS_NONE = 0,
+ 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
+};
+typedef SimpleTinyEnumT<PartOfSubsidy, byte> PartOfSubsidyByte;
+
+DECLARE_ENUM_AS_BIT_SET(PartOfSubsidy);
+
+typedef uint16 SubsidyID; ///< ID of a subsidy
+struct Subsidy;
+
+#endif /* SUBSIDY_TYPE_H */