(svn r7585) -Codechange: CheckStationSpreadOut() took too much CPU. Station rectangle is now maintained instead of calculating it each time by walking through whole map. Should help with the performance issue related to AIs trying to build road stops too often. (idea by Celestar)
/* $Id$ */
#ifndef ROAD_H
#define ROAD_H
typedef enum RoadBits {
ROAD_NW = 1U,
ROAD_SW = 2U,
ROAD_SE = 4U,
ROAD_NE = 8U,
ROAD_X = ROAD_SW | ROAD_NE,
ROAD_Y = ROAD_NW | ROAD_SE,
ROAD_ALL = ROAD_X | ROAD_Y
} RoadBits;
static inline RoadBits ComplementRoadBits(RoadBits r)
{
return (RoadBits)(ROAD_ALL ^ r);
}
static inline RoadBits DiagDirToRoadBits(DiagDirection d)
{
return (RoadBits)(1U << (3 ^ d));
}
#endif /* ROAD_H */