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Location: cpp/openttd-patchpack/source/rail_map.h - annotation
r3362:753e978d188b
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(svn r4157) CodeChange : Keep on cleaning up Celestar's elrail merge
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#ifndef RAIL_MAP_H
#define RAIL_MAP_H
#include "direction.h"
#include "tile.h"
typedef enum RailTileType {
RAIL_TYPE_NORMAL = 0x0,
RAIL_TYPE_SIGNALS = 0x40,
RAIL_TYPE_UNUSED = 0x80, /* XXX: Maybe this could become waypoints? */
RAIL_TYPE_DEPOT_WAYPOINT = 0xC0, /* Is really depots and waypoints... */
RAIL_TILE_TYPE_MASK = 0xC0
} RailTileType;
static inline RailTileType GetRailTileType(TileIndex t)
{
assert(IsTileType(t, MP_RAILWAY));
return _m[t].m5 & RAIL_TILE_TYPE_MASK;
}
/** These specify the subtype when the main rail type is
* RAIL_TYPE_DEPOT_WAYPOINT */
typedef enum RailTileSubtypes {
RAIL_SUBTYPE_DEPOT = 0x00,
RAIL_SUBTYPE_WAYPOINT = 0x04,
RAIL_SUBTYPE_MASK = 0x3C
} RailTileSubtype;
typedef enum RailTypes {
RAILTYPE_RAIL = 0,
RAILTYPE_ELECTRIC = 1,
RAILTYPE_MONO = 2,
RAILTYPE_MAGLEV = 3,
RAILTYPE_END,
INVALID_RAILTYPE = 0xFF
} RailType;
typedef byte RailTypeMask;
static inline RailType GetRailType(TileIndex t)
{
return (RailType)GB(_m[t].m3, 0, 4);
}
// TODO remove this by moving to the same bits as GetRailType()
static inline RailType GetRailTypeCrossing(TileIndex t)
{
return (RailType)GB(_m[t].m4, 0, 4);
}
static inline RailType GetRailTypeOnBridge(TileIndex t)
{
return (RailType)GB(_m[t].m3, 4, 4);
}
static inline void SetRailType(TileIndex t, RailType r)
{
SB(_m[t].m3, 0, 4, r);
}
// TODO remove this by moving to the same bits as SetRailType()
static inline void SetRailTypeCrossing(TileIndex t, RailType r)
{
SB(_m[t].m4, 0, 4, r);
}
static inline void SetRailTypeOnBridge(TileIndex t, RailType r)
{
SB(_m[t].m3, 4, 4, r);
}
/** These are used to specify a single track.
* Can be translated to a trackbit with TrackToTrackbit */
typedef enum Track {
TRACK_X = 0,
TRACK_Y = 1,
TRACK_UPPER = 2,
TRACK_LOWER = 3,
TRACK_LEFT = 4,
TRACK_RIGHT = 5,
TRACK_END,
INVALID_TRACK = 0xFF
} Track;
/** Bitfield corresponding to Track */
typedef enum TrackBits {
TRACK_BIT_X = 1U << TRACK_X,
TRACK_BIT_Y = 1U << TRACK_Y,
TRACK_BIT_UPPER = 1U << TRACK_UPPER,
TRACK_BIT_LOWER = 1U << TRACK_LOWER,
TRACK_BIT_LEFT = 1U << TRACK_LEFT,
TRACK_BIT_RIGHT = 1U << TRACK_RIGHT,
TRACK_BIT_CROSS = TRACK_BIT_X | TRACK_BIT_Y,
TRACK_BIT_HORZ = TRACK_BIT_UPPER | TRACK_BIT_LOWER,
TRACK_BIT_VERT = TRACK_BIT_LEFT | TRACK_BIT_RIGHT,
TRACK_BIT_3WAY_NE = TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT,
TRACK_BIT_3WAY_SE = TRACK_BIT_Y | TRACK_BIT_LOWER | TRACK_BIT_RIGHT,
TRACK_BIT_3WAY_SW = TRACK_BIT_X | TRACK_BIT_LOWER | TRACK_BIT_LEFT,
TRACK_BIT_3WAY_NW = TRACK_BIT_Y | TRACK_BIT_UPPER | TRACK_BIT_LEFT,
TRACK_BIT_ALL = TRACK_BIT_CROSS | TRACK_BIT_HORZ | TRACK_BIT_VERT,
TRACK_BIT_MASK = 0x3FU
} TrackBits;
static inline TrackBits GetTrackBits(TileIndex tile)
{
return (TrackBits)GB(_m[tile].m5, 0, 6);
}
static inline void SetTrackBits(TileIndex t, TrackBits b)
{
SB(_m[t].m5, 0, 6, b);
}
static inline DiagDirection GetRailDepotDirection(TileIndex t)
{
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
static inline TrackBits GetRailWaypointBits(TileIndex t)
{
return _m[t].m5 & 1 ? TRACK_BIT_Y : TRACK_BIT_X;
}
typedef enum SignalType {
SIGTYPE_NORMAL = 0, // normal signal
SIGTYPE_ENTRY = 1, // presignal block entry
SIGTYPE_EXIT = 2, // presignal block exit
SIGTYPE_COMBO = 3 // presignal inter-block
} SignalType;
static inline SignalType GetSignalType(TileIndex t)
{
assert(GetRailTileType(t) == RAIL_TYPE_SIGNALS);
return (SignalType)GB(_m[t].m4, 0, 2);
}
static inline void SetSignalType(TileIndex t, SignalType s)
{
assert(GetRailTileType(t) == RAIL_TYPE_SIGNALS);
SB(_m[t].m4, 0, 2, s);
}
typedef enum SignalVariant {
SIG_ELECTRIC = 0,
SIG_SEMAPHORE = 1
} SignalVariant;
static inline SignalVariant GetSignalVariant(TileIndex t)
{
return (SignalVariant)GB(_m[t].m4, 2, 1);
}
static inline void SetSignalVariant(TileIndex t, SignalVariant v)
{
SB(_m[t].m4, 2, 1, v);
}
static inline void MakeRailNormal(TileIndex t, Owner o, TrackBits b, RailType r)
{
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = RAIL_TYPE_NORMAL | b;
}
static inline void MakeRailDepot(TileIndex t, Owner o, DiagDirection d, RailType r)
{
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = RAIL_TYPE_DEPOT_WAYPOINT | RAIL_SUBTYPE_DEPOT | d;
}
static inline void MakeRailWaypoint(TileIndex t, Owner o, Axis a, RailType r, uint index)
{
SetTileType(t, MP_RAILWAY);
SetTileOwner(t, o);
_m[t].m2 = index;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = RAIL_TYPE_DEPOT_WAYPOINT | RAIL_SUBTYPE_WAYPOINT | a;
}
#endif
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