@@ -243,25 +243,25 @@ public:
pf.SetDestination(v);
const bool is_intermediate_destination = static_cast<int>(high_level_path.size()) >= NUMBER_OR_WATER_REGIONS_LOOKAHEAD + 1;
if (is_intermediate_destination) pf.SetIntermediateDestination(high_level_path.back());
/* Restrict the search area to prevent the low level pathfinder from expanding too many nodes. This can happen
* when the terrain is very "maze-like" or when the high level path "teleports" via a very long aqueduct. */
if (attempt > 0) pf.RestrictSearch(high_level_path);
/* Find best path. */
path_found = pf.FindPath(v);
Node *node = pf.GetBestNode();
if (attempt == 0 && !path_found) continue; // Try again with restricted search area.
if (!path_found || node == nullptr) GetRandomFollowUpTrackdir(v, src_tile, trackdir, true);
if (!path_found || node == nullptr) return GetRandomFollowUpTrackdir(v, src_tile, trackdir, true);
/* Return only the path within the current water region if an intermediate destination was returned. If not, cache the entire path
* to the final destination tile. The low-level pathfinder might actually prefer a different docking tile in a nearby region. Without
* caching the full path the ship can get stuck in a loop. */
const WaterRegionPatchDesc end_water_patch = GetWaterRegionPatchInfo(node->GetTile());
const WaterRegionPatchDesc start_water_patch = GetWaterRegionPatchInfo(tile);
while (node->m_parent) {
const WaterRegionPatchDesc node_water_patch = GetWaterRegionPatchInfo(node->GetTile());
if (node_water_patch == start_water_patch || (!is_intermediate_destination && node_water_patch != end_water_patch)) {
path_cache.push_front(node->GetTrackdir());
}
node = node->m_parent;
Status change: