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(svn r8321) -Fix

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Reduce the size of EngineInfo (from 28 to 24 bytes) by moving one of its attributes
This commit is contained in:
tron 2007-01-21 19:00:31 +00:00
parent fb8b0557f9
commit 8ac3272e85
2 changed files with 5 additions and 5 deletions
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2
src/engine.h
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@ -78,9 +78,9 @@ typedef struct RoadVehicleInfo {
*/
typedef struct EngineInfo {
Date base_intro;
byte unk2; ///< Carriages have the highest bit set in this one
Year lifelength;
Year base_life;
byte unk2; ///< Carriages have the highest bit set in this one
byte load_amount;
byte climates;
uint32 refit_mask;

8
src/table/engines.h
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@ -15,26 +15,26 @@
* @param e Bitmask of the climates
* @note the 5 between d and e is the load amount
*/
#define MK(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, b, c, d, 5, e, 0, 8, 0, 0 }
#define MK(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, c, d, b, 5, e, 0, 8, 0, 0 }
/** Writes the properties of a train carriage into the EngineInfo struct.
* @see MK
* @note the 0x80 in parameter b sets the "is carriage bit"
* @note the 5 between d and e is the load amount
*/
#define MW(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, b | 0x80, c, d, 5, e, 0, 8, 0, 0 }
#define MW(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, c, d, b | 0x80, 5, e, 0, 8, 0, 0 }
/** Writes the properties of a ship into the EngineInfo struct.
* @see MK
* @note the 10 between d and e is the load amount
*/
#define MS(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, b, c, d, 10, e, 0, 8, 0, 0 }
#define MS(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, c, d, b, 10, e, 0, 8, 0, 0 }
/** Writes the properties of an aeroplane into the EngineInfo struct.
* @see MK
* @note the 20 between d and e is the load amount
*/
#define MA(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, b, c, d, 20, e, 0, 8, 0, 0 }
#define MA(a, b, c, d, e) { DAYS_TILL_ORIGINAL_BASE_YEAR + a, c, d, b, 20, e, 0, 8, 0, 0 }
// Climates
// T = Temperate