12 #ifndef YAPF_COSTRAIL_HPP
13 #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;
55 tile_type = src.tile_type;
56 rail_type = src.rail_type;
70 bool m_stopped_on_first_two_way_signal;
73 static const int s_max_segment_cost = 10000;
78 int p0 =
Yapf().PfGetSettings().rail_look_ahead_signal_p0;
79 int p1 =
Yapf().PfGetSettings().rail_look_ahead_signal_p1;
80 int p2 =
Yapf().PfGetSettings().rail_look_ahead_signal_p2;
81 int *pen = m_sig_look_ahead_costs.
GrowSizeNC(
Yapf().PfGetSettings().rail_look_ahead_max_signals);
82 for (uint i = 0; i <
Yapf().PfGetSettings().rail_look_ahead_max_signals; i++) {
83 pen[i] = p0 + i * (p1 + i * p2);
90 return *
static_cast<Tpf *
>(
this);
98 return Yapf().PfGetSettings().rail_slope_penalty;
106 if (TrackFollower::Allow90degTurns()
109 cost +=
Yapf().PfGetSettings().rail_curve90_penalty;
112 cost +=
Yapf().PfGetSettings().rail_curve45_penalty;
122 if (t1 && t2)
return Yapf().PfGetSettings().rail_doubleslip_penalty;
138 cost +=
Yapf().PfGetSettings().rail_crossing_penalty;
156 for (; skipped >= 0; skipped--, tile += diff) {
165 if (n.m_num_signals_passed >= m_sig_look_ahead_costs.
Size() / 2)
return 0;
166 if (!IsPbsSignal(n.m_last_signal_type))
return 0;
169 return Yapf().PfGetSettings().rail_pbs_station_penalty * (skipped + 1);
171 int cost =
Yapf().PfGetSettings().rail_pbs_cross_penalty;
173 return cost * (skipped + 1);
188 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
190 if (has_signal_along) {
194 n.m_last_signal_type = sig_type;
197 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;
200 n.flags_u.flags_s.m_last_signal_was_red =
false;
202 if (look_ahead_cost < 0) {
204 cost -= look_ahead_cost;
209 if (!IsPbsSignal(sig_type) &&
Yapf().TreatFirstRedTwoWaySignalAsEOL() && n.flags_u.flags_s.m_choice_seen && has_signal_against && n.m_num_signals_passed == 0) {
211 Yapf().PruneIntermediateNodeBranch();
212 n.m_segment->m_end_segment_reason |= ESRB_DEAD_END;
213 Yapf().m_stopped_on_first_two_way_signal =
true;
216 n.m_last_red_signal_type = sig_type;
217 n.flags_u.flags_s.m_last_signal_was_red =
true;
220 if (!IsPbsSignal(sig_type) && look_ahead_cost > 0) {
222 cost += look_ahead_cost;
226 if (n.m_num_signals_passed == 0) {
229 case SIGTYPE_EXIT: cost +=
Yapf().PfGetSettings().rail_firstred_exit_penalty;
break;
237 n.m_num_signals_passed++;
238 n.m_segment->m_last_signal_tile = tile;
239 n.m_segment->m_last_signal_td = trackdir;
242 if (has_signal_against && IsPbsSignal(GetSignalType(tile,
TrackdirToTrack(trackdir)))) {
243 cost += n.m_num_signals_passed <
Yapf().PfGetSettings().rail_look_ahead_max_signals ?
Yapf().PfGetSettings().rail_pbs_signal_back_penalty : 0;
250 inline int PlatformLengthPenalty(
int platform_length)
258 if (missing_platform_length < 0) {
260 cost +=
Yapf().PfGetSettings().rail_longer_platform_penalty +
Yapf().PfGetSettings().rail_longer_platform_per_tile_penalty * -missing_platform_length;
261 }
else if (missing_platform_length > 0) {
263 cost +=
Yapf().PfGetSettings().rail_shorter_platform_penalty +
Yapf().PfGetSettings().rail_shorter_platform_per_tile_penalty * missing_platform_length;
269 inline void SetMaxCost(
int max_cost)
281 assert(!n.flags_u.flags_s.m_targed_seen);
282 assert(tf->m_new_tile == n.m_key.m_tile);
288 bool has_parent = (n.m_parent != NULL);
291 CachedData &segment = *n.m_segment;
292 bool is_cached_segment = (segment.m_cost >= 0);
294 int parent_cost = has_parent ? n.m_parent->m_cost : 0;
315 int transition_cost = 0;
323 int segment_entry_cost = 0;
324 int segment_cost = 0;
329 TILE cur(n.m_key.m_tile, n.m_key.m_td);
332 TILE prev = !has_parent ?
TILE() : TILE(n.m_parent->GetLastTile(), n.m_parent->GetLastTrackdir());
334 EndSegmentReasonBits end_segment_reason = ESRB_NONE;
336 TrackFollower tf_local(v,
Yapf().GetCompatibleRailTypes(), &
Yapf().m_perf_ts_cost);
340 assert(!is_cached_segment);
347 transition_cost =
Yapf().CurveCost(prev.td, cur.td);
352 if (segment_cost == 0) {
354 segment_entry_cost = transition_cost;
358 if (is_cached_segment) {
360 segment_cost = segment.m_cost;
362 end_segment_reason = segment.m_end_segment_reason;
368 n.flags_u.flags_s.m_last_signal_was_red = is_red;
370 n.m_last_red_signal_type = GetSignalType(segment.m_last_signal_tile,
TrackdirToTrack(segment.m_last_signal_td));
374 cur = TILE(n.GetLastTile(), n.GetLastTrackdir());
379 segment_cost += transition_cost;
385 segment_cost +=
Yapf().OneTileCost(cur.tile, cur.td);
391 segment_cost +=
Yapf().SlopeCost(cur.tile, cur.td);
394 segment_cost +=
Yapf().SignalCost(n, cur.tile, cur.td);
397 segment_cost +=
Yapf().ReservationCost(n, cur.tile, cur.td, tf->m_tiles_skipped);
399 end_segment_reason = segment.m_end_segment_reason;
402 if (cur.tile == prev.tile) {
405 segment_cost +=
Yapf().PfGetSettings().rail_depot_reverse_penalty;
407 end_segment_reason |= ESRB_DEPOT;
419 while (ft.
Follow(t, td)) {
440 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
444 end_segment_reason |= ESRB_WAYPOINT;
446 }
else if (tf->m_is_station) {
448 uint platform_length = tf->m_tiles_skipped + 1;
451 segment_cost +=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
453 end_segment_reason |= ESRB_STATION;
455 }
else if (TrackFollower::DoTrackMasking() && cur.tile_type ==
MP_RAILWAY) {
458 end_segment_reason |= ESRB_SAFE_TILE;
464 if (n.m_num_signals_passed < m_sig_look_ahead_costs.
Size())
467 int max_speed = tf->GetSpeedLimit(&min_speed);
469 if (max_speed < max_veh_speed) {
470 extra_cost +=
YAPF_TILE_LENGTH * (max_veh_speed - max_speed) * (4 + tf->m_tiles_skipped) / max_veh_speed;
472 if (min_speed > max_veh_speed) {
480 end_segment_reason |= ESRB_PATH_TOO_LONG;
485 tf_local.Init(v,
Yapf().GetCompatibleRailTypes(), &
Yapf().m_perf_ts_cost);
487 if (!tf_local.Follow(cur.tile, cur.td)) {
488 assert(tf_local.m_err != TrackFollower::EC_NONE);
490 if (tf_local.m_err == TrackFollower::EC_RAIL_TYPE) {
491 end_segment_reason |= ESRB_RAIL_TYPE;
493 end_segment_reason |= ESRB_DEAD_END;
497 end_segment_reason |= ESRB_SAFE_TILE;
505 end_segment_reason |= ESRB_CHOICE_FOLLOWS;
515 end_segment_reason |= ESRB_SAFE_TILE;
518 end_segment_reason |= ESRB_SAFE_TILE | ESRB_DEAD_END;
519 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
524 if (next.rail_type != cur.rail_type) {
526 end_segment_reason |= ESRB_RAIL_TYPE;
531 if (next.tile == n.m_key.m_tile && next.td == n.m_key.m_td) {
532 end_segment_reason |= ESRB_INFINITE_LOOP;
536 if (segment_cost > s_max_segment_cost) {
540 end_segment_reason |= ESRB_SEGMENT_TOO_LONG;
546 if (end_segment_reason != ESRB_NONE) {
556 bool target_seen =
false;
557 if ((end_segment_reason & ESRB_POSSIBLE_TARGET) != ESRB_NONE) {
559 if (
Yapf().PfDetectDestination(cur.tile, cur.td)) {
566 if (!is_cached_segment) {
568 segment.m_cost = segment_cost;
569 segment.m_end_segment_reason = end_segment_reason & ESRB_CACHED_MASK;
571 n.SetLastTileTrackdir(cur.tile, cur.td);
575 if (!target_seen && (end_segment_reason & ESRB_ABORT_PF_MASK) != ESRB_NONE) {
582 n.flags_u.flags_s.m_targed_seen =
true;
584 if (n.flags_u.flags_s.m_last_signal_was_red) {
587 extra_cost +=
Yapf().PfGetSettings().rail_lastred_exit_penalty;
588 }
else if (!IsPbsSignal(n.m_last_red_signal_type)) {
590 extra_cost +=
Yapf().PfGetSettings().rail_lastred_penalty;
595 if ((end_segment_reason & ESRB_STATION) != ESRB_NONE) {
600 extra_cost -=
Yapf().PfGetSettings().rail_station_penalty * platform_length;
602 extra_cost += PlatformLengthPenalty(platform_length);
607 n.m_cost = parent_cost + segment_entry_cost + segment_cost + extra_cost;
612 inline bool CanUseGlobalCache(
Node &n)
const
614 return !m_disable_cache
615 && (n.m_parent != NULL)
616 && (n.m_parent->m_num_signals_passed >= m_sig_look_ahead_costs.
Size());
619 inline void ConnectNodeToCachedData(
Node &n, CachedData &ci)
622 if (n.m_segment->m_cost < 0) {
623 n.m_segment->m_last_tile = n.m_key.m_tile;
624 n.m_segment->m_last_td = n.m_key.m_td;
628 void DisableCache(
bool disable)
630 m_disable_cache = disable;