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Location: cpp/openttd-patchpack/source/bridge_map.h
r3221:abced5cbce62
2.8 KiB
text/x-c
(svn r3894) -Fix: use "" over in configure
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | /* $Id$ */
#ifndef BRIDGE_MAP_H
#define BRIDGE_MAP_H
#include "direction.h"
#include "macros.h"
#include "map.h"
#include "rail.h"
#include "tile.h"
static inline bool IsBridgeRamp(TileIndex t)
{
return !HASBIT(_m[t].m5, 6);
}
/**
* Get the direction pointing onto the bridge
*/
static inline DiagDirection GetBridgeRampDirection(TileIndex t)
{
/* Heavy wizardry to convert the X/Y (bit 0) + N/S (bit 5) encoding of
* bridges to a DiagDirection
*/
return (DiagDirection)((6 - (_m[t].m5 >> 4 & 2) - (_m[t].m5 & 1)) % 4);
}
static inline bool IsClearUnderBridge(TileIndex t)
{
return GB(_m[t].m5, 3, 3) == 0;
}
static inline bool IsTransportUnderBridge(TileIndex t)
{
return HASBIT(_m[t].m5, 5);
}
static inline TransportType GetTransportTypeUnderBridge(TileIndex t)
{
return (TransportType)GB(_m[t].m5, 3, 2);
}
/**
* Starting at one bridge end finds the other bridge end
*/
TileIndex GetOtherBridgeEnd(TileIndex);
static inline void SetClearUnderBridge(TileIndex t)
{
SetTileOwner(t, OWNER_NONE);
SB(_m[t].m5, 3, 3, 0 << 2 | 0);
}
static inline void SetWaterUnderBridge(TileIndex t)
{
SetTileOwner(t, OWNER_WATER);
SB(_m[t].m5, 3, 3, 0 << 2 | 1);
}
static inline void SetRailUnderBridge(TileIndex t, Owner o, RailType r)
{
SetTileOwner(t, o);
SB(_m[t].m5, 3, 3, 1 << 2 | TRANSPORT_RAIL);
SB(_m[t].m3, 0, 4, r);
}
static inline void SetRoadUnderBridge(TileIndex t, Owner o)
{
SetTileOwner(t, o);
SB(_m[t].m5, 3, 3, 1 << 2 | TRANSPORT_ROAD);
}
static inline void MakeBridgeRamp(TileIndex t, Owner o, uint bridgetype, DiagDirection d, TransportType tt)
{
uint northsouth = (d == DIAGDIR_NE || d == DIAGDIR_NW);
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, o);
_m[t].m2 = bridgetype << 4;
_m[t].m4 = 0;
_m[t].m5 = 1 << 7 | 0 << 6 | northsouth << 5 | tt << 1 | DiagDirToAxis(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;
}
static inline void MakeBridgeMiddle(TileIndex t, uint bridgetype, uint piece, Axis a, TransportType tt)
{
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, OWNER_NONE);
_m[t].m2 = bridgetype << 4 | piece;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = 1 << 7 | 1 << 6 | 0 << 5 | 0 << 3 | tt << 1 | a;
}
static inline void MakeRoadBridgeMiddle(TileIndex t, uint bridgetype, uint piece, Axis a)
{
MakeBridgeMiddle(t, bridgetype, piece, a, TRANSPORT_ROAD);
}
static inline void MakeRailBridgeMiddle(TileIndex t, uint bridgetype, uint piece, Axis a, RailType r)
{
MakeBridgeMiddle(t, bridgetype, piece, a, TRANSPORT_RAIL);
SB(_m[t].m3, 4, 4, r);
}
#endif
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