12 #ifndef YAPF_COSTRAIL_HPP
13 #define YAPF_COSTRAIL_HPP
15 #include "../../pbs.h"
17 template <
class Types>
22 typedef typename Types::Tpf
Tpf;
23 typedef typename Types::TrackFollower TrackFollower;
24 typedef typename Types::NodeList::Titem
Node;
25 typedef typename Node::Key
Key;
26 typedef typename Node::CachedData CachedData;
57 tile_type = src.tile_type;
58 rail_type = src.rail_type;
72 bool m_stopped_on_first_two_way_signal;
75 static const int s_max_segment_cost = 10000;
79 , m_disable_cache(false)
80 , m_stopped_on_first_two_way_signal(false)
83 int p0 =
Yapf().PfGetSettings().rail_look_ahead_signal_p0;
84 int p1 =
Yapf().PfGetSettings().rail_look_ahead_signal_p1;
85 int p2 =
Yapf().PfGetSettings().rail_look_ahead_signal_p2;
86 int *pen = m_sig_look_ahead_costs.
GrowSizeNC(
Yapf().PfGetSettings().rail_look_ahead_max_signals);
87 for (uint i = 0; i <
Yapf().PfGetSettings().rail_look_ahead_max_signals; i++) {
88 pen[i] = p0 + i * (p1 + i * p2);
95 return *
static_cast<Tpf*
>(
this);
103 return Yapf().PfGetSettings().rail_slope_penalty;
111 if (TrackFollower::Allow90degTurns()
114 cost +=
Yapf().PfGetSettings().rail_curve90_penalty;
117 cost +=
Yapf().PfGetSettings().rail_curve45_penalty;
127 if (t1 && t2)
return Yapf().PfGetSettings().rail_doubleslip_penalty;
143 cost +=
Yapf().PfGetSettings().rail_crossing_penalty;
161 for (; skipped >= 0; skipped--, tile += diff) {
170 if (n.m_num_signals_passed >= m_sig_look_ahead_costs.
Size() / 2)
return 0;
171 if (!IsPbsSignal(n.m_last_signal_type))
return 0;
174 return Yapf().PfGetSettings().rail_pbs_station_penalty * (skipped + 1);
176 int cost =
Yapf().PfGetSettings().rail_pbs_cross_penalty;
178 return cost * (skipped + 1);
193 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
195 if (has_signal_along) {
199 n.m_last_signal_type = sig_type;
202 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;
205 n.flags_u.flags_s.m_last_signal_was_red =
false;
207 if (look_ahead_cost < 0) {
209 cost -= look_ahead_cost;
214 if (!IsPbsSignal(sig_type) &&
Yapf().TreatFirstRedTwoWaySignalAsEOL() && n.flags_u.flags_s.m_choice_seen && has_signal_against && n.m_num_signals_passed == 0) {
216 Yapf().PruneIntermediateNodeBranch();
217 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
218 Yapf().m_stopped_on_first_two_way_signal =
true;
221 n.m_last_red_signal_type = sig_type;
222 n.flags_u.flags_s.m_last_signal_was_red =
true;
225 if (!IsPbsSignal(sig_type) && look_ahead_cost > 0) {
227 cost += look_ahead_cost;
231 if (n.m_num_signals_passed == 0) {
234 case SIGTYPE_EXIT: cost +=
Yapf().PfGetSettings().rail_firstred_exit_penalty;
break;
242 n.m_num_signals_passed++;
243 n.m_segment->m_last_signal_tile = tile;
244 n.m_segment->m_last_signal_td = trackdir;
247 if (has_signal_against && IsPbsSignal(GetSignalType(tile,
TrackdirToTrack(trackdir)))) {
248 cost += n.m_num_signals_passed <
Yapf().PfGetSettings().rail_look_ahead_max_signals ?
Yapf().PfGetSettings().rail_pbs_signal_back_penalty : 0;
255 inline int PlatformLengthPenalty(
int platform_length)
263 if (missing_platform_length < 0) {
265 cost +=
Yapf().PfGetSettings().rail_longer_platform_penalty +
Yapf().PfGetSettings().rail_longer_platform_per_tile_penalty * -missing_platform_length;
266 }
else if (missing_platform_length > 0) {
268 cost +=
Yapf().PfGetSettings().rail_shorter_platform_penalty +
Yapf().PfGetSettings().rail_shorter_platform_per_tile_penalty * missing_platform_length;
274 inline void SetMaxCost(
int max_cost)
286 assert(!n.flags_u.flags_s.m_targed_seen);
287 assert(tf->m_new_tile == n.m_key.m_tile);
293 bool has_parent = (n.m_parent != NULL);
296 CachedData &segment = *n.m_segment;
297 bool is_cached_segment = (segment.m_cost >= 0);
299 int parent_cost = has_parent ? n.m_parent->m_cost : 0;
320 int transition_cost = 0;
328 int segment_entry_cost = 0;
329 int segment_cost = 0;
334 TILE cur(n.m_key.m_tile, n.m_key.m_td);
337 TILE prev = !has_parent ?
TILE() : TILE(n.m_parent->GetLastTile(), n.m_parent->GetLastTrackdir());
339 EndSegmentReasonBits end_segment_reason = ESRB_NONE;
341 TrackFollower tf_local(v,
Yapf().GetCompatibleRailTypes(), &
Yapf().m_perf_ts_cost);
345 assert(!is_cached_segment);
352 transition_cost =
Yapf().CurveCost(prev.td, cur.td);
357 if (segment_cost == 0) {
359 segment_entry_cost = transition_cost;
363 if (is_cached_segment) {
365 segment_cost = segment.m_cost;
367 end_segment_reason = segment.m_end_segment_reason;
373 n.flags_u.flags_s.m_last_signal_was_red = is_red;
375 n.m_last_red_signal_type = GetSignalType(segment.m_last_signal_tile,
TrackdirToTrack(segment.m_last_signal_td));
379 cur = TILE(n.GetLastTile(), n.GetLastTrackdir());
384 segment_cost += transition_cost;
390 segment_cost +=
Yapf().OneTileCost(cur.tile, cur.td);
396 segment_cost +=
Yapf().SlopeCost(cur.tile, cur.td);
399 segment_cost +=
Yapf().SignalCost(n, cur.tile, cur.td);
402 segment_cost +=
Yapf().ReservationCost(n, cur.tile, cur.td, tf->m_tiles_skipped);
404 end_segment_reason = segment.m_end_segment_reason;
407 if (cur.tile == prev.tile) {
410 segment_cost +=
Yapf().PfGetSettings().rail_depot_reverse_penalty;
412 end_segment_reason |= ESRB_DEPOT;
424 while (ft.
Follow(t, td)) {
445 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
449 end_segment_reason |= ESRB_WAYPOINT;
451 }
else if (tf->m_is_station) {
453 uint platform_length = tf->m_tiles_skipped + 1;
456 segment_cost +=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
458 end_segment_reason |= ESRB_STATION;
460 }
else if (TrackFollower::DoTrackMasking() && cur.tile_type ==
MP_RAILWAY) {
463 end_segment_reason |= ESRB_SAFE_TILE;
469 if (n.m_num_signals_passed < m_sig_look_ahead_costs.
Size())
472 int max_speed = tf->GetSpeedLimit(&min_speed);
474 if (max_speed < max_veh_speed) {
475 extra_cost +=
YAPF_TILE_LENGTH * (max_veh_speed - max_speed) * (4 + tf->m_tiles_skipped) / max_veh_speed;
477 if (min_speed > max_veh_speed) {
485 end_segment_reason |= ESRB_PATH_TOO_LONG;
490 tf_local.Init(v,
Yapf().GetCompatibleRailTypes(), &
Yapf().m_perf_ts_cost);
492 if (!tf_local.Follow(cur.tile, cur.td)) {
493 assert(tf_local.m_err != TrackFollower::EC_NONE);
495 if (tf_local.m_err == TrackFollower::EC_RAIL_TYPE) {
496 end_segment_reason |= ESRB_RAIL_TYPE;
498 end_segment_reason |= ESRB_DEAD_END;
502 end_segment_reason |= ESRB_SAFE_TILE;
510 end_segment_reason |= ESRB_CHOICE_FOLLOWS;
520 end_segment_reason |= ESRB_SAFE_TILE;
523 end_segment_reason |= ESRB_SAFE_TILE | ESRB_DEAD_END;
524 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
529 if (next.rail_type != cur.rail_type) {
531 end_segment_reason |= ESRB_RAIL_TYPE;
536 if (next.tile == n.m_key.m_tile && next.td == n.m_key.m_td) {
537 end_segment_reason |= ESRB_INFINITE_LOOP;
541 if (segment_cost > s_max_segment_cost) {
545 end_segment_reason |= ESRB_SEGMENT_TOO_LONG;
551 if (end_segment_reason != ESRB_NONE) {
561 bool target_seen =
false;
562 if ((end_segment_reason & ESRB_POSSIBLE_TARGET) != ESRB_NONE) {
564 if (
Yapf().PfDetectDestination(cur.tile, cur.td)) {
571 if (!is_cached_segment) {
573 segment.m_cost = segment_cost;
574 segment.m_end_segment_reason = end_segment_reason & ESRB_CACHED_MASK;
576 n.SetLastTileTrackdir(cur.tile, cur.td);
580 if (!target_seen && (end_segment_reason & ESRB_ABORT_PF_MASK) != ESRB_NONE) {
587 n.flags_u.flags_s.m_targed_seen =
true;
589 if (n.flags_u.flags_s.m_last_signal_was_red) {
592 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
593 }
else if (!IsPbsSignal(n.m_last_red_signal_type)) {
595 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
600 if ((end_segment_reason & ESRB_STATION) != ESRB_NONE) {
605 extra_cost -=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
607 extra_cost += PlatformLengthPenalty(platform_length);
612 n.m_cost = parent_cost + segment_entry_cost + segment_cost + extra_cost;
617 inline bool CanUseGlobalCache(
Node& n)
const
619 return !m_disable_cache
620 && (n.m_parent != NULL)
621 && (n.m_parent->m_num_signals_passed >= m_sig_look_ahead_costs.
Size());
624 inline void ConnectNodeToCachedData(
Node& n, CachedData& ci)
627 if (n.m_segment->m_cost < 0) {
628 n.m_segment->m_last_tile = n.m_key.m_tile;
629 n.m_segment->m_last_td = n.m_key.m_td;
633 void DisableCache(
bool disable)
635 m_disable_cache = disable;