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-rw-r--r--src/airport.h15
1 files changed, 7 insertions, 8 deletions
diff --git a/src/airport.h b/src/airport.h
index 7a0cdf54a..0733c9ab2 100644
--- a/src/airport.h
+++ b/src/airport.h
@@ -16,14 +16,13 @@
#include "tile_type.h"
/** Some airport-related constants */
-enum {
- MAX_TERMINALS = 10, ///< maximum number of terminals per airport
- MAX_HELIPADS = 4, ///< maximum number of helipads per airport
- MAX_ELEMENTS = 255, ///< maximum number of aircraft positions at airport
- NUM_AIRPORTTILES = 256, ///< total number of airport tiles
- NEW_AIRPORTTILE_OFFSET = 74, ///< offset of first newgrf airport tile
- INVALID_AIRPORTTILE = NUM_AIRPORTTILES, ///< id for an invalid airport tile
-};
+static const uint MAX_TERMINALS = 10; ///< maximum number of terminals per airport
+static const uint MAX_HELIPADS = 4; ///< maximum number of helipads per airport
+static const uint MAX_ELEMENTS = 255; ///< maximum number of aircraft positions at airport
+
+static const uint NUM_AIRPORTTILES = 256; ///< total number of airport tiles
+static const uint NEW_AIRPORTTILE_OFFSET = 74; ///< offset of first newgrf airport tile
+static const uint INVALID_AIRPORTTILE = NUM_AIRPORTTILES; ///< id for an invalid airport tile
/** Airport types */
enum AirportTypes {