diff options
| -rw-r--r-- | src/rail_gui.cpp | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/src/rail_gui.cpp b/src/rail_gui.cpp index cf18b58a5..10db2d61d 100644 --- a/src/rail_gui.cpp +++ b/src/rail_gui.cpp @@ -165,32 +165,27 @@ static void PlaceRail_Station(TileIndex tile) static void GenericPlaceSignals(TileIndex tile) { - byte trackstat; - uint i; + TrackBits trackbits = (TrackBits)GB(GetTileTrackStatus(tile, TRANSPORT_RAIL, 0), 0, 6); - trackstat = (byte)GetTileTrackStatus(tile, TRANSPORT_RAIL, 0); - - if (trackstat & TRACK_BIT_VERT) // N-S direction - trackstat = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT; - - if (trackstat & TRACK_BIT_HORZ) // E-W direction - trackstat = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER; + if (trackbits & TRACK_BIT_VERT) { // N-S direction + trackbits = (_tile_fract_coords.x <= _tile_fract_coords.y) ? TRACK_BIT_RIGHT : TRACK_BIT_LEFT; + } - // Lookup the bit index - i = 0; - if (trackstat != 0) { - for (; !(trackstat & 1); trackstat >>= 1) i++; + if (trackbits & TRACK_BIT_HORZ) { // E-W direction + trackbits = (_tile_fract_coords.x + _tile_fract_coords.y <= 15) ? TRACK_BIT_UPPER : TRACK_BIT_LOWER; } + Track track = TrackBitsToTrack(trackbits); + if (!_remove_button_clicked) { - uint32 p1 = GB(i, 0, 3); + uint32 p1 = track; SB(p1, 3, 1, _ctrl_pressed); SB(p1, 4, 1, _cur_year < _patches.semaphore_build_before); DoCommandP(tile, p1, 0, CcPlaySound1E, CMD_BUILD_SIGNALS | CMD_AUTO | CMD_MSG(STR_1010_CAN_T_BUILD_SIGNALS_HERE)); } else { - DoCommandP(tile, i, 0, CcPlaySound1E, + DoCommandP(tile, track, 0, CcPlaySound1E, CMD_REMOVE_SIGNALS | CMD_AUTO | CMD_MSG(STR_1013_CAN_T_REMOVE_SIGNALS_FROM)); } } |