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Adjust signal on bridge/tunnel map bits, rename accessors, add docs.

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Use same bit to store red/green state for entrances and exits.
No longer re-use exit bit to store red/green state of entrance.
Avoid modifying the M2 of tunnel entrances/exits.
Rename and rationalise map accessor functions.
Document bits used in landscape HTML docs.
This commit is contained in:
Jonathan G Rennison
2016-09-18 14:23:02 +01:00
parent 161f70eb4a
commit 0d2e9f91bf
13 changed files with 175 additions and 131 deletions
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src/rail_map.h
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@@ -480,7 +480,7 @@ static inline bool HasOnewaySignalBlockingTrackdir(TileIndex tile, Trackdir td)
!HasSignalOnTrackdir(tile, td) && IsOnewaySignal(tile, TrackdirToTrack(td))) {
return true;
}
if (IsTileType(tile, MP_TUNNELBRIDGE) && IsTunnelBridgeExit(tile) &&
if (IsTileType(tile, MP_TUNNELBRIDGE) && IsTunnelBridgeSignalSimulationExit(tile) &&
DiagDirToDiagTrackdir(GetTunnelBridgeDirection(tile)) == td) {
return true;
}