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Location: cpp/openttd-patchpack/source/src/bridge_map.h - annotation
r6395:cb11d86befed
3.3 KiB
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(svn r9525) -Update: WebTranslator2 update to 2007-03-29 19:56:13
estonian - 3 fixed, 4 changed by kristjans (7)
finnish - 2 fixed by pallokala (2)
italian - 1 changed by lorenzodv (1)
traditional_chinese - 1 changed by xbddc (1)
turkish - 12 fixed by jnmbk (12)
estonian - 3 fixed, 4 changed by kristjans (7)
finnish - 2 fixed by pallokala (2)
italian - 1 changed by lorenzodv (1)
traditional_chinese - 1 changed by xbddc (1)
turkish - 12 fixed by jnmbk (12)
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/** @file bridge_map.h */
#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"
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
* @param tile The tile to analyze
* @return the above mentionned direction
*/
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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