summaryrefslogtreecommitdiff
path: root/src/yapf/follow_track.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/yapf/follow_track.hpp')
-rw-r--r--src/yapf/follow_track.hpp55
1 files changed, 29 insertions, 26 deletions
diff --git a/src/yapf/follow_track.hpp b/src/yapf/follow_track.hpp
index 677bbcdd1..7d7fd1954 100644
--- a/src/yapf/follow_track.hpp
+++ b/src/yapf/follow_track.hpp
@@ -14,8 +14,6 @@
template <TransportType Ttr_type_, bool T90deg_turns_allowed_ = true, bool Tmask_reserved_tracks = false>
struct CFollowTrackT
{
- typedef CFollowTrackT<Ttr_type_, T90deg_turns_allowed_, false> BaseNoMask;
-
enum ErrorCode {
EC_NONE,
EC_OWNER,
@@ -79,7 +77,7 @@ struct CFollowTrackT
FORCEINLINE bool IsTram() {return IsRoadTT() && HasBit(m_veh->u.road.compatible_roadtypes, ROADTYPE_TRAM);}
FORCEINLINE static bool IsRoadTT() {return TT() == TRANSPORT_ROAD;}
FORCEINLINE static bool Allow90degTurns() {return T90deg_turns_allowed_;}
- FORCEINLINE static bool MaskReservedTracks() {return IsRailTT() && Tmask_reserved_tracks;}
+ FORCEINLINE static bool DoTrackMasking() {return IsRailTT() && Tmask_reserved_tracks;}
/** Tests if a tile is a road tile with a single tramtrack (tram can reverse) */
FORCEINLINE DiagDirection GetSingleTramBit(TileIndex tile)
@@ -124,32 +122,37 @@ struct CFollowTrackT
return false;
}
}
- if (MaskReservedTracks()) {
- if (m_is_station) {
- /* Check skipped station tiles as well. */
- TileIndexDiff diff = TileOffsByDiagDir(m_exitdir);
- for (TileIndex tile = m_new_tile - diff * m_tiles_skipped; tile != m_new_tile; tile += diff) {
- if (GetRailwayStationReservation(tile)) {
- m_new_td_bits = TRACKDIR_BIT_NONE;
- m_err = EC_RESERVED;
- return false;
- }
+ return true;
+ }
+
+ inline bool MaskReservedTracks()
+ {
+ if (!DoTrackMasking()) return true;
+
+ if (m_is_station) {
+ /* Check skipped station tiles as well. */
+ TileIndexDiff diff = TileOffsByDiagDir(m_exitdir);
+ for (TileIndex tile = m_new_tile - diff * m_tiles_skipped; tile != m_new_tile; tile += diff) {
+ if (GetRailwayStationReservation(tile)) {
+ m_new_td_bits = TRACKDIR_BIT_NONE;
+ m_err = EC_RESERVED;
+ return false;
}
}
+ }
- TrackBits reserved = GetReservedTrackbits(m_new_tile);
- /* Mask already reserved trackdirs. */
- m_new_td_bits &= ~TrackBitsToTrackdirBits(reserved);
- /* Mask out all trackdirs that conflict with the reservation. */
- uint bits = (uint)TrackdirBitsToTrackBits(m_new_td_bits);
- int i;
- FOR_EACH_SET_BIT(i, bits) {
- if (TracksOverlap(reserved | TrackToTrackBits((Track)i))) m_new_td_bits &= ~TrackToTrackdirBits((Track)i);
- }
- if (m_new_td_bits == TRACKDIR_BIT_NONE) {
- m_err = EC_RESERVED;
- return false;
- }
+ TrackBits reserved = GetReservedTrackbits(m_new_tile);
+ /* Mask already reserved trackdirs. */
+ m_new_td_bits &= ~TrackBitsToTrackdirBits(reserved);
+ /* Mask out all trackdirs that conflict with the reservation. */
+ uint bits = (uint)TrackdirBitsToTrackBits(m_new_td_bits);
+ int i;
+ FOR_EACH_SET_BIT(i, bits) {
+ if (TracksOverlap(reserved | TrackToTrackBits((Track)i))) m_new_td_bits &= ~TrackToTrackdirBits((Track)i);
+ }
+ if (m_new_td_bits == TRACKDIR_BIT_NONE) {
+ m_err = EC_RESERVED;
+ return false;
}
return true;
}