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author | KUDr <KUDr@openttd.org> | 2007-02-23 21:29:50 +0000 |
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committer | KUDr <KUDr@openttd.org> | 2007-02-23 21:29:50 +0000 |
commit | 1c3d8fc1e3b1c6320122d528e50a50f01dac74cf (patch) | |
tree | 81199111126750a854da1ff9ea5b29301dfc71f7 | |
parent | a14de92f38c6f35129bec9c9194990125bbbdcef (diff) | |
download | openttd-1c3d8fc1e3b1c6320122d528e50a50f01dac74cf.tar.xz |
(svn r8866) -Doc: added more comments to template struct MakeEnumPropsT
-rw-r--r-- | src/helpers.hpp | 15 | ||||
-rw-r--r-- | src/yapf/yapf_costrail.hpp | 6 |
2 files changed, 16 insertions, 5 deletions
diff --git a/src/helpers.hpp b/src/helpers.hpp index fb5aeb5f8..3682033e9 100644 --- a/src/helpers.hpp +++ b/src/helpers.hpp @@ -80,12 +80,23 @@ template <typename T> static inline T delta(T a, T b) { return a < b ? b - a : a /** Informative template class exposing basic enumeration properties used by several * other templates below. Here we have only forward declaration. For each enum type - * we will create specialization derived from MakeEnumPropsT<>. */ + * we will create specialization derived from MakeEnumPropsT<>. + * i.e.:
+ * template <> struct EnumPropsT<Track> : MakeEnumPropsT<Track, byte, TRACK_BEGIN, TRACK_END, INVALID_TRACK> {};
+ * followed by:
+ * typedef TinyEnumT<Track> TrackByte;
+ */ template <typename Tenum_t> struct EnumPropsT; /** Helper template class that makes basic properties of given enumeration type visible * from outsize. It is used as base class of several EnumPropsT specializations each - * dedicated to one of commonly used enumeration types. */ + * dedicated to one of commonly used enumeration types. + * @param Tenum_t enumeration type that you want to describe + * @param Tstorage_t what storage type would be sufficient (i.e. byte) + * @param Tbegin first valid value from the contiguous range (i.e. TRACK_BEGIN) + * @param Tend one past the last valid value from the contiguous range (i.e. TRACK_END) + * @param Tinvalid value used as invalid value marker (i.e. INVALID_TRACK) + */ template <typename Tenum_t, typename Tstorage_t, Tenum_t Tbegin, Tenum_t Tend, Tenum_t Tinvalid> struct MakeEnumPropsT { typedef Tenum_t type; ///< enum type (i.e. Trackdir) diff --git a/src/yapf/yapf_costrail.hpp b/src/yapf/yapf_costrail.hpp index b776815dc..ee40f77ad 100644 --- a/src/yapf/yapf_costrail.hpp +++ b/src/yapf/yapf_costrail.hpp @@ -66,7 +66,7 @@ public: } /** return one tile cost. If tile is a tunnel entry, it is moved to the end of tunnel */ - FORCEINLINE int OneTileCost(TileIndex& tile, Trackdir trackdir) + FORCEINLINE int OneTileCost(TileIndex prev_tile, TileIndex& tile, Trackdir trackdir) { int cost = 0; // set base cost @@ -81,7 +81,7 @@ public: case MP_STATION: // penalty for passing station tiles - cost += Yapf().PfGetSettings().rail_station_penalty; + cost += Yapf().PfGetSettings().rail_station_penalty * DistanceManhattan(prev_tile, tile); break; default: @@ -202,7 +202,7 @@ public: bool target_seen = Yapf().PfDetectDestination(tile, trackdir); while (true) { - segment_cost += Yapf().OneTileCost(tile, trackdir); + segment_cost += Yapf().OneTileCost(prev_tile, tile, trackdir); segment_cost += Yapf().CurveCost(prev_trackdir, trackdir); segment_cost += Yapf().SlopeCost(tile, trackdir); segment_cost += Yapf().SignalCost(n, tile, trackdir); |