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(svn r11969) -Codechange: documentation update, there are no 'track bits under bridge' anymore

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smatz 2008-01-23 23:22:47 +00:00
parent 5a7c903770
commit 541247c830
1 changed files with 6 additions and 3 deletions
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9
src/elrail.cpp
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@ -74,8 +74,11 @@ static inline TLG GetTLG(TileIndex t)
return (TLG)((HasBit(TileX(t), 0) << 1) + HasBit(TileY(t), 0)); return (TLG)((HasBit(TileX(t), 0) << 1) + HasBit(TileY(t), 0));
} }
/** Finds which Rail Bits are present on a given tile. For bridge tiles, /**
* returns track bits under the bridge * Finds which Electrified Rail Bits are present on a given tile.
* @param t tile to check
* @param override pointer to PCP override, can be NULL
* @return trackbits of tile if it is electrified
*/ */
static TrackBits GetRailTrackBitsUniversal(TileIndex t, byte *override) static TrackBits GetRailTrackBitsUniversal(TileIndex t, byte *override)
{ {
@ -94,7 +97,7 @@ static TrackBits GetRailTrackBitsUniversal(TileIndex t, byte *override)
case MP_TUNNELBRIDGE: case MP_TUNNELBRIDGE:
if (GetRailType(t) != RAILTYPE_ELECTRIC) return TRACK_BIT_NONE; if (GetRailType(t) != RAILTYPE_ELECTRIC) return TRACK_BIT_NONE;
if (override != NULL && (IsTunnel(t) || DistanceMax(t, GetOtherBridgeEnd(t)) > 1)) { if (override != NULL && (IsTunnel(t) || GetTunnelBridgeLength(t, GetOtherBridgeEnd(t)) > 0)) {
*override = 1 << GetTunnelBridgeDirection(t); *override = 1 << GetTunnelBridgeDirection(t);
} }
return AxisToTrackBits(DiagDirToAxis(GetTunnelBridgeDirection(t))); return AxisToTrackBits(DiagDirToAxis(GetTunnelBridgeDirection(t)));