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(svn r27845) -Change: (Yapf) Use FindDepotData struct to simplify depot finding code and remove need to return fake path distance. (juanjo)

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replace/41b28d7194a279bdc17475d4fbe2ea6ec885a466
peter1138 7 years ago
parent 9bc27c9a72
commit 1eef97674c
1 changed files with 13 additions and 22 deletions
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35
src/pathfinder/yapf/yapf_rail.cpp
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@ -223,7 +223,7 @@ public:
return 't';
}
static bool stFindNearestDepotTwoWay(const Train *v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2, int max_penalty, int reverse_penalty, TileIndex *depot_tile, bool *reversed)
static FindDepotData stFindNearestDepotTwoWay(const Train *v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2, int max_penalty, int reverse_penalty)
{
Tpf pf1;
/*
@ -236,16 +236,16 @@ public:
* depot orders and you do not disable automatic servicing.
*/
if (max_penalty != 0) pf1.DisableCache(true);
bool result1 = pf1.FindNearestDepotTwoWay(v, t1, td1, t2, td2, max_penalty, reverse_penalty, depot_tile, reversed);
FindDepotData result1 = pf1.FindNearestDepotTwoWay(v, t1, td1, t2, td2, max_penalty, reverse_penalty);
if (_debug_desync_level >= 2) {
Tpf pf2;
TileIndex depot_tile2 = INVALID_TILE;
bool reversed2 = false;
pf2.DisableCache(true);
bool result2 = pf2.FindNearestDepotTwoWay(v, t1, td1, t2, td2, max_penalty, reverse_penalty, &depot_tile2, &reversed2);
if (result1 != result2 || (result1 && (*depot_tile != depot_tile2 || *reversed != reversed2))) {
DEBUG(desync, 2, "CACHE ERROR: FindNearestDepotTwoWay() = [%s, %s]", result1 ? "T" : "F", result2 ? "T" : "F");
FindDepotData result2 = pf2.FindNearestDepotTwoWay(v, t1, td1, t2, td2, max_penalty, reverse_penalty);
if (result1.tile != result2.tile || (result1.reverse != result2.reverse)) {
DEBUG(desync, 2, "CACHE ERROR: FindNearestDepotTwoWay() = [%s, %s]",
result1.tile != INVALID_TILE ? "T" : "F",
result2.tile != INVALID_TILE ? "T" : "F");
DumpState(pf1, pf2);
}
}
@ -253,7 +253,7 @@ public:
return result1;
}
inline bool FindNearestDepotTwoWay(const Train *v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2, int max_penalty, int reverse_penalty, TileIndex *depot_tile, bool *reversed)
inline FindDepotData FindNearestDepotTwoWay(const Train *v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2, int max_penalty, int reverse_penalty)
{
/* set origin and destination nodes */
Yapf().SetOrigin(t1, td1, t2, td2, reverse_penalty, true);
@ -261,13 +261,10 @@ public:
Yapf().SetMaxCost(max_penalty);
/* find the best path */
bool bFound = Yapf().FindPath(v);
if (!bFound) return false;
if (!Yapf().FindPath(v)) return FindDepotData();
/* some path found
* get found depot tile */
/* Some path found. */
Node *n = Yapf().GetBestNode();
*depot_tile = n->GetLastTile();
/* walk through the path back to the origin */
Node *pNode = n;
@ -277,9 +274,7 @@ public:
/* if the origin node is our front vehicle tile/Trackdir then we didn't reverse
* but we can also look at the cost (== 0 -> not reversed, == reverse_penalty -> reversed) */
*reversed = (pNode->m_cost != 0);
return true;
return FindDepotData(n->GetLastTile(), n->m_cost, pNode->m_cost != 0);
}
};
@ -611,15 +606,13 @@ bool YapfTrainCheckReverse(const Train *v)
FindDepotData YapfTrainFindNearestDepot(const Train *v, int max_penalty)
{
FindDepotData fdd;
const Train *last_veh = v->Last();
PBSTileInfo origin = FollowTrainReservation(v);
TileIndex last_tile = last_veh->tile;
Trackdir td_rev = ReverseTrackdir(last_veh->GetVehicleTrackdir());
typedef bool (*PfnFindNearestDepotTwoWay)(const Train*, TileIndex, Trackdir, TileIndex, Trackdir, int, int, TileIndex*, bool*);
typedef FindDepotData (*PfnFindNearestDepotTwoWay)(const Train*, TileIndex, Trackdir, TileIndex, Trackdir, int, int);
PfnFindNearestDepotTwoWay pfnFindNearestDepotTwoWay = &CYapfAnyDepotRail1::stFindNearestDepotTwoWay;
/* check if non-default YAPF type needed */
@ -627,9 +620,7 @@ FindDepotData YapfTrainFindNearestDepot(const Train *v, int max_penalty)
pfnFindNearestDepotTwoWay = &CYapfAnyDepotRail2::stFindNearestDepotTwoWay; // Trackdir, forbid 90-deg
}
bool ret = pfnFindNearestDepotTwoWay(v, origin.tile, origin.trackdir, last_tile, td_rev, max_penalty, YAPF_INFINITE_PENALTY, &fdd.tile, &fdd.reverse);
fdd.best_length = ret ? max_penalty / 2 : UINT_MAX; // some fake distance or NOT_FOUND
return fdd;
return pfnFindNearestDepotTwoWay(v, origin.tile, origin.trackdir, last_tile, td_rev, max_penalty, YAPF_INFINITE_PENALTY);
}
bool YapfTrainFindNearestSafeTile(const Train *v, TileIndex tile, Trackdir td, bool override_railtype)

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