diff options
| author | Peter Nelson <peter1138@openttd.org> | 2018-05-23 17:34:39 +0100 |
|---|---|---|
| committer | Charles Pigott <charlespigott@googlemail.com> | 2019-01-14 19:57:07 +0000 |
| commit | 8b6420441814e95ca32ffd4c601e3646f840c58c (patch) | |
| tree | c04d80a835349991c4746277ebdf96ff28a6d225 /src | |
| parent | 7af53d7588a97bc4b02dbfa456a0e2a9ab598864 (diff) | |
| download | openttd-8b6420441814e95ca32ffd4c601e3646f840c58c.tar.xz | |
Codechange: Replace trackbit lookup table with existing functions.
Diffstat (limited to 'src')
| -rw-r--r-- | src/ship_cmd.cpp | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp index 79560be04..88e2392e0 100644 --- a/src/ship_cmd.cpp +++ b/src/ship_cmd.cpp @@ -461,23 +461,10 @@ static Track ChooseShipTrack(Ship *v, TileIndex tile, DiagDirection enterdir, Tr if (v->dest_tile == 0 || DistanceManhattan(tile, v->dest_tile) > SHIP_MAX_ORDER_DISTANCE + 5) { /* No destination or destination too far, don't invoke pathfinder. */ - static const TrackBits direction_to_trackbits[DIR_END] = { - TRACK_BIT_LEFT | TRACK_BIT_RIGHT, // DIR_N - TRACK_BIT_X, // DIR_NE - TRACK_BIT_UPPER | TRACK_BIT_LOWER, // DIR_E - TRACK_BIT_Y, // DIR_SE - TRACK_BIT_LEFT | TRACK_BIT_RIGHT, // DIR_S - TRACK_BIT_X, // DIR_SW - TRACK_BIT_UPPER | TRACK_BIT_LOWER, // DIR_W - TRACK_BIT_Y, // DIR_NW - }; - - TrackBits next_tracks = direction_to_trackbits[v->direction] & tracks; - if (next_tracks != TRACK_BIT_NONE) { - /* Continue in same direction when possible. */ - track = (Track)FindFirstBit(next_tracks); - } else { - /* Pick a random track. */ + track = TrackBitsToTrack(v->state); + if (track != TRACK_X && track != TRACK_Y) track = TrackToOppositeTrack(track); + if (!HasBit(tracks, track)) { + /* Can't continue in same direction so pick a random available track. */ do { track = (Track)RandomRange(TRACK_END); } while ((TrackToTrackBits(track) & tracks) == TRACK_BIT_NONE); |