10 #ifndef YAPF_COSTRAIL_HPP
11 #define YAPF_COSTRAIL_HPP
15 #include "../../pbs.h"
17 template <
class Types>
20 typedef typename Types::Tpf
Tpf;
21 typedef typename Types::TrackFollower TrackFollower;
22 typedef typename Types::NodeList::Titem
Node;
23 typedef typename Node::Key
Key;
24 typedef typename Node::CachedData CachedData;
59 std::vector<int> m_sig_look_ahead_costs;
62 bool m_stopped_on_first_two_way_signal;
65 static const int s_max_segment_cost = 10000;
70 int p0 =
Yapf().PfGetSettings().rail_look_ahead_signal_p0;
71 int p1 =
Yapf().PfGetSettings().rail_look_ahead_signal_p1;
72 int p2 =
Yapf().PfGetSettings().rail_look_ahead_signal_p2;
73 m_sig_look_ahead_costs.clear();
74 m_sig_look_ahead_costs.reserve(
Yapf().PfGetSettings().rail_look_ahead_max_signals);
75 for (uint i = 0; i <
Yapf().PfGetSettings().rail_look_ahead_max_signals; i++) {
76 m_sig_look_ahead_costs.push_back(p0 + i * (p1 + i * p2));
83 return *
static_cast<Tpf *
>(
this);
90 return Yapf().PfGetSettings().rail_slope_penalty;
98 if (TrackFollower::Allow90degTurns()
101 cost +=
Yapf().PfGetSettings().rail_curve90_penalty;
104 cost +=
Yapf().PfGetSettings().rail_curve45_penalty;
114 if (t1 && t2)
return Yapf().PfGetSettings().rail_doubleslip_penalty;
130 cost +=
Yapf().PfGetSettings().rail_crossing_penalty;
148 for (; skipped >= 0; skipped--, tile += diff) {
157 if (n.m_num_signals_passed >= m_sig_look_ahead_costs.size() / 2)
return 0;
158 if (!IsPbsSignal(n.m_last_signal_type))
return 0;
161 return Yapf().PfGetSettings().rail_pbs_station_penalty * (skipped + 1);
163 int cost =
Yapf().PfGetSettings().rail_pbs_cross_penalty;
165 return cost * (skipped + 1);
179 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
181 if (has_signal_along) {
185 n.m_last_signal_type = sig_type;
188 int look_ahead_cost = (n.m_num_signals_passed < m_sig_look_ahead_costs.size()) ? m_sig_look_ahead_costs[n.m_num_signals_passed] : 0;
191 n.flags_u.flags_s.m_last_signal_was_red =
false;
193 if (look_ahead_cost < 0) {
195 cost -= look_ahead_cost;
200 if (!IsPbsSignal(sig_type) &&
Yapf().TreatFirstRedTwoWaySignalAsEOL() && n.flags_u.flags_s.m_choice_seen && has_signal_against && n.m_num_signals_passed == 0) {
202 Yapf().PruneIntermediateNodeBranch(&n);
203 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
204 Yapf().m_stopped_on_first_two_way_signal =
true;
207 n.m_last_red_signal_type = sig_type;
208 n.flags_u.flags_s.m_last_signal_was_red =
true;
211 if (!IsPbsSignal(sig_type) && look_ahead_cost > 0) {
213 cost += look_ahead_cost;
217 if (n.m_num_signals_passed == 0) {
220 case SIGTYPE_EXIT: cost +=
Yapf().PfGetSettings().rail_firstred_exit_penalty;
break;
228 n.m_num_signals_passed++;
229 n.m_segment->m_last_signal_tile = tile;
230 n.m_segment->m_last_signal_td = trackdir;
233 if (has_signal_against && IsPbsSignal(GetSignalType(tile,
TrackdirToTrack(trackdir)))) {
234 cost += n.m_num_signals_passed <
Yapf().PfGetSettings().rail_look_ahead_max_signals ?
Yapf().PfGetSettings().rail_pbs_signal_back_penalty : 0;
241 inline int PlatformLengthPenalty(
int platform_length)
245 assert(v !=
nullptr);
249 if (missing_platform_length < 0) {
251 cost +=
Yapf().PfGetSettings().rail_longer_platform_penalty +
Yapf().PfGetSettings().rail_longer_platform_per_tile_penalty * -missing_platform_length;
252 }
else if (missing_platform_length > 0) {
254 cost +=
Yapf().PfGetSettings().rail_shorter_platform_penalty +
Yapf().PfGetSettings().rail_shorter_platform_per_tile_penalty * missing_platform_length;
260 inline void SetMaxCost(
int max_cost)
272 assert(!n.flags_u.flags_s.m_targed_seen);
273 assert(tf->m_new_tile == n.m_key.m_tile);
274 assert((
HasTrackdir(tf->m_new_td_bits, n.m_key.m_td)));
277 bool has_parent = (n.m_parent !=
nullptr);
280 CachedData &segment = *n.m_segment;
281 bool is_cached_segment = (segment.m_cost >= 0);
283 int parent_cost = has_parent ? n.m_parent->m_cost : 0;
304 int transition_cost = 0;
312 int segment_entry_cost = 0;
313 int segment_cost = 0;
318 TILE cur(n.m_key.m_tile, n.m_key.m_td);
321 TILE prev = !has_parent ?
TILE() :
TILE(n.m_parent->GetLastTile(), n.m_parent->GetLastTrackdir());
323 EndSegmentReasonBits end_segment_reason = ESRB_NONE;
325 TrackFollower tf_local(v,
Yapf().GetCompatibleRailTypes());
329 assert(!is_cached_segment);
336 transition_cost =
Yapf().CurveCost(prev.td, cur.td);
341 if (segment_cost == 0) {
343 segment_entry_cost = transition_cost;
347 if (is_cached_segment) {
349 segment_cost = segment.m_cost;
351 end_segment_reason = segment.m_end_segment_reason;
357 n.flags_u.flags_s.m_last_signal_was_red = is_red;
359 n.m_last_red_signal_type = GetSignalType(segment.m_last_signal_tile,
TrackdirToTrack(segment.m_last_signal_td));
363 cur =
TILE(n.GetLastTile(), n.GetLastTrackdir());
368 segment_cost += transition_cost;
374 segment_cost +=
Yapf().OneTileCost(cur.tile, cur.td);
380 segment_cost +=
Yapf().SlopeCost(cur.tile, cur.td);
383 segment_cost +=
Yapf().SignalCost(n, cur.tile, cur.td);
386 segment_cost +=
Yapf().ReservationCost(n, cur.tile, cur.td, tf->m_tiles_skipped);
388 end_segment_reason = segment.m_end_segment_reason;
391 if (cur.tile == prev.tile) {
394 segment_cost +=
Yapf().PfGetSettings().rail_depot_reverse_penalty;
398 end_segment_reason |= ESRB_DEPOT;
412 while (ft.
Follow(t, td)) {
415 if (t == cur.tile || --max_tiles == 0) {
438 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
442 end_segment_reason |= ESRB_WAYPOINT;
444 }
else if (tf->m_is_station) {
446 uint platform_length = tf->m_tiles_skipped + 1;
449 segment_cost +=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
451 end_segment_reason |= ESRB_STATION;
453 }
else if (TrackFollower::DoTrackMasking() && cur.tile_type ==
MP_RAILWAY) {
456 end_segment_reason |= ESRB_SAFE_TILE;
462 if (n.m_num_signals_passed < m_sig_look_ahead_costs.size())
465 int max_speed = tf->GetSpeedLimit(&min_speed);
467 if (max_speed < max_veh_speed) {
468 extra_cost +=
YAPF_TILE_LENGTH * (max_veh_speed - max_speed) * (4 + tf->m_tiles_skipped) / max_veh_speed;
470 if (min_speed > max_veh_speed) {
478 end_segment_reason |= ESRB_PATH_TOO_LONG;
483 tf_local.Init(v,
Yapf().GetCompatibleRailTypes());
485 if (!tf_local.Follow(cur.tile, cur.td)) {
486 assert(tf_local.m_err != TrackFollower::EC_NONE);
488 if (tf_local.m_err == TrackFollower::EC_RAIL_ROAD_TYPE) {
489 end_segment_reason |= ESRB_RAIL_TYPE;
491 end_segment_reason |= ESRB_DEAD_END;
495 end_segment_reason |= ESRB_SAFE_TILE;
503 end_segment_reason |= ESRB_CHOICE_FOLLOWS;
513 end_segment_reason |= ESRB_SAFE_TILE;
516 end_segment_reason |= ESRB_SAFE_TILE | ESRB_DEAD_END;
517 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
522 if (next.rail_type != cur.rail_type) {
524 end_segment_reason |= ESRB_RAIL_TYPE;
529 if (next.tile == n.m_key.m_tile && next.td == n.m_key.m_td) {
530 end_segment_reason |= ESRB_INFINITE_LOOP;
534 if (segment_cost > s_max_segment_cost) {
538 end_segment_reason |= ESRB_SEGMENT_TOO_LONG;
544 if (end_segment_reason != ESRB_NONE) {
555 if (end_segment_reason & ESRB_PATH_TOO_LONG)
return false;
557 bool target_seen =
false;
558 if ((end_segment_reason & ESRB_POSSIBLE_TARGET) != ESRB_NONE) {
560 if (
Yapf().PfDetectDestination(cur.tile, cur.td)) {
567 if (!is_cached_segment) {
569 segment.m_cost = segment_cost;
570 segment.m_end_segment_reason = end_segment_reason & ESRB_CACHED_MASK;
572 n.SetLastTileTrackdir(cur.tile, cur.td);
576 if (!target_seen && (end_segment_reason & ESRB_ABORT_PF_MASK) != ESRB_NONE) {
583 n.flags_u.flags_s.m_targed_seen =
true;
585 if (n.flags_u.flags_s.m_last_signal_was_red) {
588 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
589 }
else if (!IsPbsSignal(n.m_last_red_signal_type)) {
591 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
596 if ((end_segment_reason & ESRB_STATION) != ESRB_NONE) {
598 assert(st !=
nullptr);
601 extra_cost -=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
603 extra_cost += PlatformLengthPenalty(platform_length);
608 n.m_cost = parent_cost + segment_entry_cost + segment_cost + extra_cost;
613 inline bool CanUseGlobalCache(
Node &n)
const
615 return !m_disable_cache
616 && (n.m_parent !=
nullptr)
617 && (n.m_parent->m_num_signals_passed >= m_sig_look_ahead_costs.size());
620 inline void ConnectNodeToCachedData(
Node &n, CachedData &ci)
623 if (n.m_segment->m_cost < 0) {
624 n.m_segment->m_last_tile = n.m_key.m_tile;
625 n.m_segment->m_last_td = n.m_key.m_td;
629 void DisableCache(
bool disable)
631 m_disable_cache = disable;