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Location: cpp/openttd-patchpack/source/rail_map.h - annotation
r4571:011e15869f7c
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(svn r6420) -Feature [Win32]: Use an existing console if openttd was started from one.
Unfortunately this only works for WindowsXP or higher, all older MS-OS's
are stuck with the old behaviour.
Unfortunately this only works for WindowsXP or higher, all older MS-OS's
are stuck with the old behaviour.
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r3792:deb3c0493c60 r3101:528c6b45c2fa r3101:528c6b45c2fa r3101:528c6b45c2fa | /* $Id$ */
#ifndef RAIL_MAP_H
#define RAIL_MAP_H
#include "direction.h"
#include "rail.h"
#include "tile.h"
typedef enum RailTileType {
RAIL_TILE_NORMAL = 0x0,
RAIL_TILE_SIGNALS = 0x40,
RAIL_TILE_UNUSED = 0x80, /* XXX: Maybe this could become waypoints? */
RAIL_TILE_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 (RailTileType)(_m[t].m5 & RAIL_TILE_TYPE_MASK);
}
/**
* Returns whether this is plain rails, with or without signals. Iow, if this
* tiles RailTileType is RAIL_TILE_NORMAL or RAIL_TILE_SIGNALS.
*/
static inline bool IsPlainRailTile(TileIndex tile)
{
RailTileType rtt = GetRailTileType(tile);
return rtt == RAIL_TILE_NORMAL || rtt == RAIL_TILE_SIGNALS;
}
/**
* Checks if a rail tile has signals.
*/
static inline bool HasSignals(TileIndex tile)
{
return GetRailTileType(tile) == RAIL_TILE_SIGNALS;
}
/** These specify the subtype when the main rail type is
* RAIL_TILE_DEPOT_WAYPOINT */
typedef enum RailTileSubtypes {
RAIL_SUBTYPE_DEPOT = 0x00,
RAIL_SUBTYPE_WAYPOINT = 0x04,
RAIL_SUBTYPE_MASK = 0x3C
} RailTileSubtype;
/**
* Returns the RailTileSubtype of a given rail tile with type
* RAIL_TILE_DEPOT_WAYPOINT
*/
static inline RailTileSubtype GetRailTileSubtype(TileIndex tile)
{
assert(GetRailTileType(tile) == RAIL_TILE_DEPOT_WAYPOINT);
return (RailTileSubtype)(_m[tile].m5 & RAIL_SUBTYPE_MASK);
}
static inline bool IsRailDepot(TileIndex t)
{
return
GetRailTileType(t) == RAIL_TILE_DEPOT_WAYPOINT &&
GetRailTileSubtype(t) == RAIL_SUBTYPE_DEPOT;
}
static inline bool IsRailWaypoint(TileIndex t)
{
return
GetRailTileType(t) == RAIL_TILE_DEPOT_WAYPOINT &&
GetRailTileSubtype(t) == RAIL_SUBTYPE_WAYPOINT;
}
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);
}
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);
}
/**
* Returns whether the given track is present on the given tile. Tile must be
* a plain rail tile (IsPlainRailTile()).
*/
static inline bool HasTrack(TileIndex tile, Track track)
{
return HASBIT(GetTrackBits(tile), track);
}
static inline DiagDirection GetRailDepotDirection(TileIndex t)
{
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
static inline Axis GetWaypointAxis(TileIndex t)
{
return (Axis)GB(_m[t].m5, 0, 1);
}
static inline Track GetRailWaypointTrack(TileIndex t)
{
return AxisToTrack(GetWaypointAxis(t));
}
static inline TrackBits GetRailWaypointBits(TileIndex t)
{
return TrackToTrackBits(GetRailWaypointTrack(t));
}
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_TILE_SIGNALS);
return (SignalType)GB(_m[t].m4, 0, 2);
}
static inline void SetSignalType(TileIndex t, SignalType s)
{
assert(GetRailTileType(t) == RAIL_TILE_SIGNALS);
SB(_m[t].m4, 0, 2, s);
}
static inline bool IsPresignalEntry(TileIndex t)
{
return GetSignalType(t) == SIGTYPE_ENTRY || GetSignalType(t) == SIGTYPE_COMBO;
}
static inline bool IsPresignalExit(TileIndex t)
{
return GetSignalType(t) == SIGTYPE_EXIT || GetSignalType(t) == SIGTYPE_COMBO;
}
static inline void CycleSignalSide(TileIndex t, Track track)
{
byte sig;
byte pos = 6;
if (track == TRACK_LOWER || track == TRACK_RIGHT) pos = 4;
sig = GB(_m[t].m3, pos, 2);
if (--sig == 0) sig = 3;
SB(_m[t].m3, pos, 2, sig);
}
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 bool IsSignalPresent(TileIndex t, byte signalbit)
{
return HASBIT(_m[t].m3, signalbit + 4);
}
/** These are states in which a signal can be. Currently these are only two, so
* simple boolean logic will do. But do try to compare to this enum instead of
* normal boolean evaluation, since that will make future additions easier.
*/
typedef enum SignalStates {
SIGNAL_STATE_RED = 0,
SIGNAL_STATE_GREEN = 1,
} SignalState;
static inline SignalState GetSingleSignalState(TileIndex t, byte signalbit)
{
return (SignalState)HASBIT(_m[t].m2, signalbit + 4);
}
/**
* Checks for the presence of signals (either way) on the given track on the
* given rail tile.
*/
static inline bool HasSignalOnTrack(TileIndex tile, Track track)
{
assert(IsValidTrack(track));
return
GetRailTileType(tile) == RAIL_TILE_SIGNALS &&
(_m[tile].m3 & SignalOnTrack(track)) != 0;
}
/**
* Checks for the presence of signals along the given trackdir on the given
* rail tile.
*
* Along meaning if you are currently driving on the given trackdir, this is
* the signal that is facing us (for which we stop when it's red).
*/
static inline bool HasSignalOnTrackdir(TileIndex tile, Trackdir trackdir)
{
assert (IsValidTrackdir(trackdir));
return
GetRailTileType(tile) == RAIL_TILE_SIGNALS &&
_m[tile].m3 & SignalAlongTrackdir(trackdir);
}
/**
* Gets the state of the signal along the given trackdir.
*
* Along meaning if you are currently driving on the given trackdir, this is
* the signal that is facing us (for which we stop when it's red).
*/
static inline SignalState GetSignalStateByTrackdir(TileIndex tile, Trackdir trackdir)
{
assert(IsValidTrackdir(trackdir));
assert(HasSignalOnTrack(tile, TrackdirToTrack(trackdir)));
return _m[tile].m2 & SignalAlongTrackdir(trackdir) ?
SIGNAL_STATE_GREEN : SIGNAL_STATE_RED;
}
/**
* Return the rail type of tile, or INVALID_RAILTYPE if this is no rail tile.
* Note that there is no check if the given trackdir is actually present on
* the tile!
* The given trackdir is used when there are (could be) multiple rail types on
* one tile.
*/
RailType GetTileRailType(TileIndex tile, Trackdir trackdir);
typedef enum RailGroundType {
RAIL_GROUND_BARREN = 0,
RAIL_GROUND_GRASS = 1,
RAIL_GROUND_FENCE_NW = 2,
RAIL_GROUND_FENCE_SE = 3,
RAIL_GROUND_FENCE_SENW = 4,
RAIL_GROUND_FENCE_NE = 5,
RAIL_GROUND_FENCE_SW = 6,
RAIL_GROUND_FENCE_NESW = 7,
RAIL_GROUND_FENCE_VERT1 = 8,
RAIL_GROUND_FENCE_VERT2 = 9,
RAIL_GROUND_FENCE_HORIZ1 = 10,
RAIL_GROUND_FENCE_HORIZ2 = 11,
RAIL_GROUND_ICE_DESERT = 12,
} RailGroundType;
static inline void SetRailGroundType(TileIndex t, RailGroundType rgt)
{
if (GetRailTileType(t) == RAIL_TILE_DEPOT_WAYPOINT) {
SB(_m[t].m4, 0, 4, rgt);
return;
}
SB(_m[t].m2, 0, 4, rgt);
}
static inline RailGroundType GetRailGroundType(TileIndex t)
{
/* TODO Unify this */
if (GetRailTileType(t) == RAIL_TILE_DEPOT_WAYPOINT) return (RailGroundType)GB(_m[t].m4, 0, 4);
return (RailGroundType)GB(_m[t].m2, 0, 4);
}
static inline bool IsSnowRailGround(TileIndex t)
{
return GetRailGroundType(t) == RAIL_GROUND_ICE_DESERT;
}
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_TILE_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_TILE_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_TILE_DEPOT_WAYPOINT | RAIL_SUBTYPE_WAYPOINT | a;
}
#endif
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