10 #ifndef YAPF_COSTRAIL_HPP
11 #define YAPF_COSTRAIL_HPP
13 #include "../../pbs.h"
15 template <
class Types>
18 typedef typename Types::Tpf
Tpf;
19 typedef typename Types::TrackFollower TrackFollower;
20 typedef typename Types::NodeList::Titem
Node;
21 typedef typename Node::Key
Key;
22 typedef typename Node::CachedData CachedData;
60 bool m_stopped_on_first_two_way_signal;
63 static const int s_max_segment_cost = 10000;
68 int p0 =
Yapf().PfGetSettings().rail_look_ahead_signal_p0;
69 int p1 =
Yapf().PfGetSettings().rail_look_ahead_signal_p1;
70 int p2 =
Yapf().PfGetSettings().rail_look_ahead_signal_p2;
71 int *pen = m_sig_look_ahead_costs.
GrowSizeNC(
Yapf().PfGetSettings().rail_look_ahead_max_signals);
72 for (uint i = 0; i <
Yapf().PfGetSettings().rail_look_ahead_max_signals; i++) {
73 pen[i] = p0 + i * (p1 + i * p2);
80 return *
static_cast<Tpf *
>(
this);
87 return Yapf().PfGetSettings().rail_slope_penalty;
95 if (TrackFollower::Allow90degTurns()
98 cost +=
Yapf().PfGetSettings().rail_curve90_penalty;
101 cost +=
Yapf().PfGetSettings().rail_curve45_penalty;
111 if (t1 && t2)
return Yapf().PfGetSettings().rail_doubleslip_penalty;
127 cost +=
Yapf().PfGetSettings().rail_crossing_penalty;
145 for (; skipped >= 0; skipped--, tile += diff) {
154 if (n.m_num_signals_passed >= m_sig_look_ahead_costs.
Size() / 2)
return 0;
155 if (!IsPbsSignal(n.m_last_signal_type))
return 0;
158 return Yapf().PfGetSettings().rail_pbs_station_penalty * (skipped + 1);
160 int cost =
Yapf().PfGetSettings().rail_pbs_cross_penalty;
162 return cost * (skipped + 1);
176 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
178 if (has_signal_along) {
182 n.m_last_signal_type = sig_type;
185 int look_ahead_cost = (n.m_num_signals_passed < m_sig_look_ahead_costs.
Size()) ? m_sig_look_ahead_costs.
Data()[n.m_num_signals_passed] : 0;
188 n.flags_u.flags_s.m_last_signal_was_red =
false;
190 if (look_ahead_cost < 0) {
192 cost -= look_ahead_cost;
197 if (!IsPbsSignal(sig_type) &&
Yapf().TreatFirstRedTwoWaySignalAsEOL() && n.flags_u.flags_s.m_choice_seen && has_signal_against && n.m_num_signals_passed == 0) {
199 Yapf().PruneIntermediateNodeBranch();
200 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
201 Yapf().m_stopped_on_first_two_way_signal =
true;
204 n.m_last_red_signal_type = sig_type;
205 n.flags_u.flags_s.m_last_signal_was_red =
true;
208 if (!IsPbsSignal(sig_type) && look_ahead_cost > 0) {
210 cost += look_ahead_cost;
214 if (n.m_num_signals_passed == 0) {
217 case SIGTYPE_EXIT: cost +=
Yapf().PfGetSettings().rail_firstred_exit_penalty;
break;
225 n.m_num_signals_passed++;
226 n.m_segment->m_last_signal_tile = tile;
227 n.m_segment->m_last_signal_td = trackdir;
230 if (has_signal_against && IsPbsSignal(GetSignalType(tile,
TrackdirToTrack(trackdir)))) {
231 cost += n.m_num_signals_passed <
Yapf().PfGetSettings().rail_look_ahead_max_signals ?
Yapf().PfGetSettings().rail_pbs_signal_back_penalty : 0;
238 inline int PlatformLengthPenalty(
int platform_length)
242 assert(v !=
nullptr);
246 if (missing_platform_length < 0) {
248 cost +=
Yapf().PfGetSettings().rail_longer_platform_penalty +
Yapf().PfGetSettings().rail_longer_platform_per_tile_penalty * -missing_platform_length;
249 }
else if (missing_platform_length > 0) {
251 cost +=
Yapf().PfGetSettings().rail_shorter_platform_penalty +
Yapf().PfGetSettings().rail_shorter_platform_per_tile_penalty * missing_platform_length;
257 inline void SetMaxCost(
int max_cost)
269 assert(!n.flags_u.flags_s.m_targed_seen);
270 assert(tf->m_new_tile == n.m_key.m_tile);
271 assert((
HasTrackdir(tf->m_new_td_bits, n.m_key.m_td)));
274 bool has_parent = (n.m_parent !=
nullptr);
277 CachedData &segment = *n.m_segment;
278 bool is_cached_segment = (segment.m_cost >= 0);
280 int parent_cost = has_parent ? n.m_parent->m_cost : 0;
301 int transition_cost = 0;
309 int segment_entry_cost = 0;
310 int segment_cost = 0;
315 TILE cur(n.m_key.m_tile, n.m_key.m_td);
318 TILE prev = !has_parent ?
TILE() :
TILE(n.m_parent->GetLastTile(), n.m_parent->GetLastTrackdir());
320 EndSegmentReasonBits end_segment_reason = ESRB_NONE;
322 TrackFollower tf_local(v,
Yapf().GetCompatibleRailTypes());
326 assert(!is_cached_segment);
333 transition_cost =
Yapf().CurveCost(prev.td, cur.td);
338 if (segment_cost == 0) {
340 segment_entry_cost = transition_cost;
344 if (is_cached_segment) {
346 segment_cost = segment.m_cost;
348 end_segment_reason = segment.m_end_segment_reason;
354 n.flags_u.flags_s.m_last_signal_was_red = is_red;
356 n.m_last_red_signal_type = GetSignalType(segment.m_last_signal_tile,
TrackdirToTrack(segment.m_last_signal_td));
360 cur =
TILE(n.GetLastTile(), n.GetLastTrackdir());
365 segment_cost += transition_cost;
371 segment_cost +=
Yapf().OneTileCost(cur.tile, cur.td);
377 segment_cost +=
Yapf().SlopeCost(cur.tile, cur.td);
380 segment_cost +=
Yapf().SignalCost(n, cur.tile, cur.td);
383 segment_cost +=
Yapf().ReservationCost(n, cur.tile, cur.td, tf->m_tiles_skipped);
385 end_segment_reason = segment.m_end_segment_reason;
388 if (cur.tile == prev.tile) {
391 segment_cost +=
Yapf().PfGetSettings().rail_depot_reverse_penalty;
395 end_segment_reason |= ESRB_DEPOT;
409 while (ft.
Follow(t, td)) {
412 if (t == cur.tile || --max_tiles == 0) {
435 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
439 end_segment_reason |= ESRB_WAYPOINT;
441 }
else if (tf->m_is_station) {
443 uint platform_length = tf->m_tiles_skipped + 1;
446 segment_cost +=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
448 end_segment_reason |= ESRB_STATION;
450 }
else if (TrackFollower::DoTrackMasking() && cur.tile_type ==
MP_RAILWAY) {
453 end_segment_reason |= ESRB_SAFE_TILE;
459 if (n.m_num_signals_passed < m_sig_look_ahead_costs.
Size())
462 int max_speed = tf->GetSpeedLimit(&min_speed);
464 if (max_speed < max_veh_speed) {
465 extra_cost +=
YAPF_TILE_LENGTH * (max_veh_speed - max_speed) * (4 + tf->m_tiles_skipped) / max_veh_speed;
467 if (min_speed > max_veh_speed) {
475 end_segment_reason |= ESRB_PATH_TOO_LONG;
480 tf_local.Init(v,
Yapf().GetCompatibleRailTypes());
482 if (!tf_local.Follow(cur.tile, cur.td)) {
483 assert(tf_local.m_err != TrackFollower::EC_NONE);
485 if (tf_local.m_err == TrackFollower::EC_RAIL_ROAD_TYPE) {
486 end_segment_reason |= ESRB_RAIL_TYPE;
488 end_segment_reason |= ESRB_DEAD_END;
492 end_segment_reason |= ESRB_SAFE_TILE;
500 end_segment_reason |= ESRB_CHOICE_FOLLOWS;
510 end_segment_reason |= ESRB_SAFE_TILE;
513 end_segment_reason |= ESRB_SAFE_TILE | ESRB_DEAD_END;
514 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
519 if (next.rail_type != cur.rail_type) {
521 end_segment_reason |= ESRB_RAIL_TYPE;
526 if (next.tile == n.m_key.m_tile && next.td == n.m_key.m_td) {
527 end_segment_reason |= ESRB_INFINITE_LOOP;
531 if (segment_cost > s_max_segment_cost) {
535 end_segment_reason |= ESRB_SEGMENT_TOO_LONG;
541 if (end_segment_reason != ESRB_NONE) {
552 if (end_segment_reason & ESRB_PATH_TOO_LONG)
return false;
554 bool target_seen =
false;
555 if ((end_segment_reason & ESRB_POSSIBLE_TARGET) != ESRB_NONE) {
557 if (
Yapf().PfDetectDestination(cur.tile, cur.td)) {
564 if (!is_cached_segment) {
566 segment.m_cost = segment_cost;
567 segment.m_end_segment_reason = end_segment_reason & ESRB_CACHED_MASK;
569 n.SetLastTileTrackdir(cur.tile, cur.td);
573 if (!target_seen && (end_segment_reason & ESRB_ABORT_PF_MASK) != ESRB_NONE) {
580 n.flags_u.flags_s.m_targed_seen =
true;
582 if (n.flags_u.flags_s.m_last_signal_was_red) {
585 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
586 }
else if (!IsPbsSignal(n.m_last_red_signal_type)) {
588 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
593 if ((end_segment_reason & ESRB_STATION) != ESRB_NONE) {
595 assert(st !=
nullptr);
598 extra_cost -=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
600 extra_cost += PlatformLengthPenalty(platform_length);
605 n.m_cost = parent_cost + segment_entry_cost + segment_cost + extra_cost;
610 inline bool CanUseGlobalCache(
Node &n)
const
612 return !m_disable_cache
613 && (n.m_parent !=
nullptr)
614 && (n.m_parent->m_num_signals_passed >= m_sig_look_ahead_costs.
Size());
617 inline void ConnectNodeToCachedData(
Node &n, CachedData &ci)
620 if (n.m_segment->m_cost < 0) {
621 n.m_segment->m_last_tile = n.m_key.m_tile;
622 n.m_segment->m_last_td = n.m_key.m_td;
626 void DisableCache(
bool disable)
628 m_disable_cache = disable;