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author | tron <tron@openttd.org> | 2005-07-21 22:15:02 +0000 |
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committer | tron <tron@openttd.org> | 2005-07-21 22:15:02 +0000 |
commit | 0762aa9ec950a7c7966b1706daa7a032f5de790a (patch) | |
tree | 0e2d2d052ab58755549ef42d694f58679a4c496c /airport.c | |
parent | a446294e7cdbcf71ffe2052a4a9954dc46a64133 (diff) | |
download | openttd-0762aa9ec950a7c7966b1706daa7a032f5de790a.tar.xz |
(svn r2669) Shuffle some more stuff around to reduce dependencies
Diffstat (limited to 'airport.c')
-rw-r--r-- | airport.c | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -3,6 +3,8 @@ #include "debug.h" #include "map.h" #include "airport.h" +#include "macros.h" +#include "variables.h" AirportFTAClass *CountryAirport; AirportFTAClass *CityAirport; @@ -359,3 +361,14 @@ const AirportFTAClass* GetAirport(const byte airport_type) } return Airport; } + +uint32 GetValidAirports(void) +{ + uint32 bytemask = _avail_aircraft; /// sets the first 3 bytes, 0 - 2, @see AdjustAvailAircraft() + + // 1980-1-1 is --> 21915 + // 1990-1-1 is --> 25568 + if (_date >= 21915) {SETBIT(bytemask, 3);} // metropilitan airport 1980 + if (_date >= 25568) {SETBIT(bytemask, 4);} // international airport 1990 + return bytemask; +} |