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(svn r3912) Move the signal type enum and GetSignalType() to rail_map.h; also add SetSignalType() and use the functions

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This commit is contained in:
tron 2006-03-17 06:26:37 +00:00
parent 2232412f59
commit 41ee22ed99
4 changed files with 25 additions and 27 deletions
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2
npf.c
View File

@ -348,7 +348,7 @@ static int32 NPFRailPathCost(AyStar* as, AyStarNode* current, OpenListNode* pare
* encounter, if it is red */
/* Is this a presignal exit or combo? */
SignalType sigtype = GetSignalType(tile, TrackdirToTrack(trackdir));
SignalType sigtype = GetSignalType(tile);
if (sigtype == SIGTYPE_EXIT || sigtype == SIGTYPE_COMBO) {
/* Penalise exit and combo signals differently (heavier) */
cost += _patches.npf_rail_firstred_exit_penalty;

23
rail.h
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@ -42,15 +42,6 @@ typedef enum RailTileSubtypes {
RAIL_SUBTYPE_MASK = 0x3C,
} RailTileSubtype;
typedef enum SignalTypes {
/* Stored in m4[0..1] for MP_RAILWAY */
SIGTYPE_NORMAL = 0, // normal signal
SIGTYPE_ENTRY = 1, // presignal block entry
SIGTYPE_EXIT = 2, // presignal block exit
SIGTYPE_COMBO = 3, // presignal inter-block
SIGTYPE_END,
SIGTYPE_MASK = 3,
} SignalType;
typedef enum RailTypes {
RAILTYPE_RAIL = 0,
@ -514,20 +505,6 @@ static inline SignalState GetSignalState(TileIndex tile, Trackdir trackdir)
SIGNAL_STATE_GREEN : SIGNAL_STATE_RED;
}
/**
* Gets the type of signal on a given track on a given rail tile with signals.
*
* Note that currently, the track argument is not used, since
* signal types cannot be mixed. This function is trying to be
* future-compatible, though.
*/
static inline SignalType GetSignalType(TileIndex tile, Track track)
{
assert(IsValidTrack(track));
assert(GetRailTileType(tile) == RAIL_TYPE_SIGNALS);
return (SignalType)(_m[tile].m4 & SIGTYPE_MASK);
}
/**
* Return the rail type of tile, or INVALID_RAILTYPE if this is no rail tile.

7
rail_cmd.c
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@ -745,8 +745,9 @@ int32 CmdBuildSingleSignal(int x, int y, uint32 flags, uint32 p1, uint32 p2)
} else {
if (pre_signal) {
// cycle between normal -> pre -> exit -> combo -> ...
byte type = (GetSignalType(tile, track) + 1) % SIGTYPE_END;
SB(_m[tile].m4, 0, 2, type);
SignalType type = GetSignalType(tile);
SetSignalType(tile, type == SIGTYPE_COMBO ? SIGTYPE_NORMAL : type + 1);
} else {
// cycle between two-way -> one-way -> one-way -> ...
/* TODO: Rewrite switch into something more general */
@ -2035,7 +2036,7 @@ static void GetTileDesc_Track(TileIndex tile, TileDesc *td)
STR_RAILROAD_TRACK_WITH_COMBOSIGNALS
};
td->str = signal_type[GB(_m[tile].m4, 0, 2)];
td->str = signal_type[GetSignalType(tile)];
break;
}

20
rail_map.h
View File

@ -20,6 +20,26 @@ static inline TrackBits GetRailWaypointBits(TileIndex 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_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