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(svn r21091) -Codechange: Add bit constants for checking NewGRFCache validity.

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terkhen
2010-11-06 12:39:18 +00:00
parent 8eb3d653da
commit d699c4a345
2 changed files with 16 additions and 8 deletions
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8
src/vehicle_base.h
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@@ -46,6 +46,14 @@ enum VehicleFlags {
VF_STOP_LOADING, ///< Don't load anymore during the next load cycle.
};
/** Bit numbers used to indicate which of the #NewGRFCache values are valid. */
enum NewGRFCacheValidValues {
NCVV_POSITION_CONSIST_LENGTH = 0, ///< This bit will be set if the NewGRF var 40 currently stored is valid.
NCVV_POSITION_SAME_ID_LENGTH = 1, ///< This bit will be set if the NewGRF var 41 currently stored is valid.
NCVV_CONSIST_CARGO_INFORMATION = 2, ///< This bit will be set if the NewGRF var 42 currently stored is valid.
NCVV_COMPANY_INFORMATION = 3, ///< This bit will be set if the NewGRF var 43 currently stored is valid.
};
/** Cached often queried (NewGRF) values */
struct NewGRFCache {
/* Values calculated when they are requested for the first time after invalidating the NewGRF cache. */