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authorrubidium <rubidium@openttd.org>2010-02-15 23:55:04 +0000
committerrubidium <rubidium@openttd.org>2010-02-15 23:55:04 +0000
commit3626eb340e5996a9a9e1fa84c9b4023ecc55c952 (patch)
tree3f68cb7f3847ac2c7c4c067ffd1bc498879dc51e /src/pathfinder
parent80225cf2461731283ea78fde212515806718b61f (diff)
downloadopenttd-3626eb340e5996a9a9e1fa84c9b4023ecc55c952.tar.xz
(svn r19141) -Fix [FS#3619] (r18421): look-ahead for multitile waypoints 'made up' data that shouldn't go into the cache, causing desyncs in MP
Diffstat (limited to 'src/pathfinder')
-rw-r--r--src/pathfinder/yapf/yapf_costrail.hpp4
-rw-r--r--src/pathfinder/yapf/yapf_destrail.hpp11
2 files changed, 13 insertions, 2 deletions
diff --git a/src/pathfinder/yapf/yapf_costrail.hpp b/src/pathfinder/yapf/yapf_costrail.hpp
index 57820af1e..6c4603c68 100644
--- a/src/pathfinder/yapf/yapf_costrail.hpp
+++ b/src/pathfinder/yapf/yapf_costrail.hpp
@@ -410,7 +410,9 @@ no_entry_cost: // jump here at the beginning if the node has no parent (it is th
end_segment_reason |= ESRB_DEPOT;
} else if (cur.tile_type == MP_STATION && IsRailWaypoint(cur.tile)) {
- if (v->current_order.IsType(OT_GOTO_WAYPOINT) && GetStationIndex(cur.tile) == v->current_order.GetDestination()) {
+ if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
+ GetStationIndex(cur.tile) == v->current_order.GetDestination() &&
+ !Waypoint::Get(v->current_order.GetDestination())->IsSingleTile()) {
/* This waypoint is our destination; maybe this isn't an unreserved
* one, so check that and if so see that as the last signal being
* red. This way waypoints near stations should work better. */
diff --git a/src/pathfinder/yapf/yapf_destrail.hpp b/src/pathfinder/yapf/yapf_destrail.hpp
index da360b474..c7594df6c 100644
--- a/src/pathfinder/yapf/yapf_destrail.hpp
+++ b/src/pathfinder/yapf/yapf_destrail.hpp
@@ -135,8 +135,17 @@ public:
void SetDestination(const Train *v)
{
switch (v->current_order.GetType()) {
- case OT_GOTO_STATION:
case OT_GOTO_WAYPOINT:
+ if (!Waypoint::Get(v->current_order.GetDestination())->IsSingleTile()) {
+ /* In case of 'complex' waypoints we need to do a look
+ * ahead. This look ahead messes a bit about, which
+ * means that it 'corrupts' the cache. To prevent this
+ * we disable caching when we're looking for a complex
+ * waypoint. */
+ Yapf().DisableCache(true);
+ }
+ /* FALL THROUGH */
+ case OT_GOTO_STATION:
m_destTile = CalcClosestStationTile(v->current_order.GetDestination(), v->tile, v->current_order.IsType(OT_GOTO_STATION) ? STATION_RAIL : STATION_WAYPOINT);
m_dest_station_id = v->current_order.GetDestination();
m_destTrackdirs = INVALID_TRACKDIR_BIT;