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Location: cpp/openttd-patchpack/source/src/bridge_map.h
r5625:52b2115bd185
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(svn r8084) [Translations] Added nynorsk translation (pollux), renamed norwegian to norwegian bokmal, moved nynorsk to finished languages, and updated project files.
Strings pending to nynorsk will be preserved if they are differ from the current translation
Strings pending to nynorsk will be preserved if they are differ from the current translation
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#ifndef BRIDGE_MAP_H
#define BRIDGE_MAP_H
#include "direction.h"
#include "macros.h"
#include "map.h"
#include "rail.h"
#include "road_map.h"
#include "tile.h"
void DrawBridgeMiddle(const TileInfo* ti); // XXX
static inline bool IsBridge(TileIndex t)
{
assert(IsTileType(t, MP_TUNNELBRIDGE));
return HASBIT(_m[t].m5, 7);
}
static inline bool IsBridgeTile(TileIndex t)
{
return IsTileType(t, MP_TUNNELBRIDGE) && IsBridge(t);
}
static inline bool MayHaveBridgeAbove(TileIndex t)
{
return
IsTileType(t, MP_CLEAR) ||
IsTileType(t, MP_RAILWAY) ||
IsTileType(t, MP_STREET) ||
IsTileType(t, MP_WATER) ||
IsTileType(t, MP_TUNNELBRIDGE) ||
IsTileType(t, MP_UNMOVABLE);
}
static inline bool IsBridgeAbove(TileIndex t)
{
assert(MayHaveBridgeAbove(t));
return GB(_m[t].m6, 6, 2) != 0;
}
/**
* Determines the type of bridge on a tile
* @param tile The tile to analyze
* @return The bridge type
*/
static inline uint GetBridgeType(TileIndex t)
{
assert(IsBridgeTile(t));
return GB(_m[t].m2, 4, 4);
}
/**
* Get the direction pointing onto the bridge
*/
static inline DiagDirection GetBridgeRampDirection(TileIndex t)
{
assert(IsBridgeTile(t));
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
static inline Axis GetBridgeAxis(TileIndex t)
{
assert(IsBridgeAbove(t));
return (Axis)(GB(_m[t].m6, 6, 2) - 1);
}
static inline TransportType GetBridgeTransportType(TileIndex t)
{
assert(IsBridgeTile(t));
return (TransportType)GB(_m[t].m5, 2, 2);
}
static inline bool HasBridgeSnowOrDesert(TileIndex t)
{
assert(IsBridgeTile(t));
return HASBIT(_m[t].m4, 7);
}
static inline void SetBridgeSnowOrDesert(TileIndex t, bool snow_or_desert)
{
assert(IsBridgeTile(t));
SB(_m[t].m4, 7, 1, snow_or_desert);
}
/**
* Finds the end of a bridge in the specified direction starting at a middle tile
*/
TileIndex GetBridgeEnd(TileIndex, DiagDirection);
/**
* Finds the northern end of a bridge starting at a middle tile
*/
TileIndex GetNorthernBridgeEnd(TileIndex t);
/**
* Finds the southern end of a bridge starting at a middle tile
*/
TileIndex GetSouthernBridgeEnd(TileIndex t);
/**
* Starting at one bridge end finds the other bridge end
*/
TileIndex GetOtherBridgeEnd(TileIndex);
uint GetBridgeHeight(TileIndex tile);
uint GetBridgeFoundation(Slope tileh, Axis axis);
static inline void ClearSingleBridgeMiddle(TileIndex t, Axis a)
{
assert(MayHaveBridgeAbove(t));
CLRBIT(_m[t].m6, 6 + a);
}
static inline void ClearBridgeMiddle(TileIndex t)
{
ClearSingleBridgeMiddle(t, AXIS_X);
ClearSingleBridgeMiddle(t, AXIS_Y);
}
static inline void SetBridgeMiddle(TileIndex t, Axis a)
{
assert(MayHaveBridgeAbove(t));
SETBIT(_m[t].m6, 6 + a);
}
static inline void MakeBridgeRamp(TileIndex t, Owner o, uint bridgetype, DiagDirection d, TransportType tt)
{
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, o);
_m[t].m2 = bridgetype << 4;
_m[t].m4 = 0;
_m[t].m5 = 1 << 7 | tt << 2 | d;
}
static inline void MakeRoadBridgeRamp(TileIndex t, Owner o, uint bridgetype, DiagDirection d)
{
MakeBridgeRamp(t, o, bridgetype, d, TRANSPORT_ROAD);
_m[t].m3 = 0;
}
static inline void MakeRailBridgeRamp(TileIndex t, Owner o, uint bridgetype, DiagDirection d, RailType r)
{
MakeBridgeRamp(t, o, bridgetype, d, TRANSPORT_RAIL);
_m[t].m3 = r;
}
#endif /* BRIDGE_MAP_H */
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