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-rw-r--r--src/cargo_type.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/cargo_type.h b/src/cargo_type.h
index 4fd424d35..30145f266 100644
--- a/src/cargo_type.h
+++ b/src/cargo_type.h
@@ -5,6 +5,8 @@
#ifndef CARGO_TYPE_H
#define CARGO_TYPE_H
+#include "core/enum_type.hpp"
+
typedef byte CargoID;
/** Available types of cargo */
@@ -82,4 +84,16 @@ public:
}
};
+
+/** Types of subsidy source and destination */
+enum SourceType {
+ ST_INDUSTRY, ///< Source/destination is an industry
+ ST_TOWN, ///< Source/destination is a town
+ ST_STATION, ///< Source/destination is a station
+};
+typedef SimpleTinyEnumT<SourceType, byte> SourceTypeByte;
+
+typedef uint16 SourceID; ///< Contains either industry ID, town ID or station ID (or INVALID_SOURCE)
+static const SourceID INVALID_SOURCE = 0xFFFF; ///< Invalid/unknown index of source
+
#endif /* CARGO_TYPE_H */