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Location: cpp/openttd-patchpack/source/src/road.h - annotation
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(svn r9002) -Update: remove strings removed in r9001 from languages other than English.
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#ifndef ROAD_H
#define ROAD_H
#include "helpers.hpp"
typedef enum RoadBits {
ROAD_NONE = 0U,
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;
DECLARE_ENUM_AS_BIT_SET(RoadBits);
static inline RoadBits ComplementRoadBits(RoadBits r)
{
return (RoadBits)(ROAD_ALL ^ r);
}
static inline RoadBits DiagDirToRoadBits(DiagDirection d)
{
return (RoadBits)(1U << (3 ^ d));
}
/** Checks whether the trackdir means that we are reversing */
static inline bool IsReversingRoadTrackdir(Trackdir dir)
{
return (dir & 0x07) >= 6;
}
/** Checks whether the given trackdir is a straight road */
static inline bool IsStraightRoadTrackdir(Trackdir dir)
{
return (dir & 0x06) == 0;
}
/**
* Is it allowed to remove the given road bits from the given tile?
* @param tile the tile to remove the road from
* @param remove the roadbits that are going to be removed
* @param owner the actual owner of the roadbits of the tile
* @param edge_road are the removed bits from a town?
* @return true when it is allowed to remove the road bits
*/
bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, bool *edge_road);
#endif /* ROAD_H */
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