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| author | frosch <frosch@openttd.org> | 2009-01-24 13:05:04 +0000 |
|---|---|---|
| committer | frosch <frosch@openttd.org> | 2009-01-24 13:05:04 +0000 |
| commit | 7e6049ba0228894b15bedec70d9056e4d1e6af3c (patch) | |
| tree | c107bda544a397281ed922e3a9612104eb8f002d /src | |
| parent | 12bcc254c8c63311a4ce483fef23e8b7f7f7d611 (diff) | |
| download | openttd-7e6049ba0228894b15bedec70d9056e4d1e6af3c.tar.xz | |
(svn r15252) -Fix (r15027): AIMarine::AreWaterTilesConnected() reported aqueducts being connected with all surrounding tiles. Also add some type safety.
Diffstat (limited to 'src')
| -rw-r--r-- | src/ai/api/ai_marine.cpp | 14 | ||||
| -rw-r--r-- | src/ai/api/ai_tile.cpp | 2 |
2 files changed, 8 insertions, 8 deletions
diff --git a/src/ai/api/ai_marine.cpp b/src/ai/api/ai_marine.cpp index 274ab5f6b..d2160b4ca 100644 --- a/src/ai/api/ai_marine.cpp +++ b/src/ai/api/ai_marine.cpp @@ -55,16 +55,16 @@ if (::DistanceManhattan(t1, t2) != 1) return false; if (t1 > t2) Swap(t1, t2); - uint32 gtts1 = ::GetTileTrackStatus(t1, TRANSPORT_WATER, 0); - uint32 gtts2 = ::GetTileTrackStatus(t2, TRANSPORT_WATER, 0); + DiagDirection to_other_tile = (TileX(t1) == TileX(t2)) ? DIAGDIR_SE : DIAGDIR_SW; - /* Ship can't travel on one of the tiles. */ - if (gtts1 == 0 || gtts2 == 0) return false; + /* Determine the reachable tracks from the shared edge */ + TrackBits gtts2 = ::TrackStatusToTrackBits(::GetTileTrackStatus(t2, TRANSPORT_WATER, 0, to_other_tile)) & ::DiagdirReachesTracks(to_other_tile); + if (gtts2 == TRACK_BIT_NONE) return false; - DiagDirection to_other_tile = (TileX(t1) == TileX(t2)) ? DIAGDIR_SE : DIAGDIR_SW; + to_other_tile = ReverseDiagDir(to_other_tile); + TrackBits gtts1 = ::TrackStatusToTrackBits(::GetTileTrackStatus(t1, TRANSPORT_WATER, 0, to_other_tile)) & ::DiagdirReachesTracks(to_other_tile); - /* Check whether we can 'leave' the tile at the border and 'enter' the other tile at the border */ - return (gtts1 & DiagdirReachesTrackdirs(ReverseDiagDir(to_other_tile))) != 0 && (gtts2 & DiagdirReachesTrackdirs(to_other_tile)) != 0; + return gtts1 != TRACK_BIT_NONE; } /* static */ bool AIMarine::BuildWaterDepot(TileIndex tile, bool vertical) diff --git a/src/ai/api/ai_tile.cpp b/src/ai/api/ai_tile.cpp index 6426c9374..04b8c0290 100644 --- a/src/ai/api/ai_tile.cpp +++ b/src/ai/api/ai_tile.cpp @@ -157,7 +157,7 @@ { if (!::IsValidTile(tile)) return false; - return GB(::GetTileTrackStatus(tile, (::TransportType)transport_type, UINT32_MAX), 0, 16) != 0; + return ::TrackStatusToTrackdirBits(::GetTileTrackStatus(tile, (::TransportType)transport_type, UINT32_MAX)) != TRACKDIR_BIT_NONE; } /* static */ int32 AITile::GetCargoAcceptance(TileIndex tile, CargoID cargo_type, uint width, uint height, uint radius) |