mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-02 09:40:35 +00:00
277 lines
10 KiB
C++
277 lines
10 KiB
C++
/* $Id$ */
|
|
|
|
#include "../stdafx.h"
|
|
|
|
#include "yapf.hpp"
|
|
#include "yapf_node_rail.hpp"
|
|
#include "yapf_costrail.hpp"
|
|
#include "yapf_destrail.hpp"
|
|
|
|
int _total_pf_time_us = 0;
|
|
|
|
|
|
|
|
|
|
|
|
template <class Types>
|
|
class CYapfFollowAnyDepotRailT
|
|
{
|
|
public:
|
|
typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
|
|
typedef typename Types::TrackFollower TrackFollower;
|
|
typedef typename Types::NodeList::Titem Node; ///< this will be our node type
|
|
typedef typename Node::Key Key; ///< key to hash tables
|
|
|
|
protected:
|
|
/// to access inherited path finder
|
|
FORCEINLINE Tpf& Yapf() {return *static_cast<Tpf*>(this);}
|
|
|
|
public:
|
|
/** Called by YAPF to move from the given node to the next tile. For each
|
|
* reachable trackdir on the new tile creates new node, initializes it
|
|
* and adds it to the open list by calling Yapf().AddNewNode(n) */
|
|
inline void PfFollowNode(Node& old_node)
|
|
{
|
|
TrackFollower F(Yapf().GetVehicle());
|
|
if (F.Follow(old_node.GetLastTile(), old_node.GetLastTrackdir()))
|
|
Yapf().AddMultipleNodes(&old_node, F.m_new_tile, F.m_new_td_bits);
|
|
}
|
|
|
|
/// return debug report character to identify the transportation type
|
|
FORCEINLINE char TransportTypeChar() const {return 't';}
|
|
|
|
static bool stFindNearestDepotTwoWay(Vehicle *v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2, int max_distance, int reverse_penalty, TileIndex* depot_tile, bool* reversed)
|
|
{
|
|
Tpf pf;
|
|
return pf.FindNearestDepotTwoWay(v, t1, td1, t2, td2, max_distance, reverse_penalty, depot_tile, reversed);
|
|
}
|
|
|
|
FORCEINLINE bool FindNearestDepotTwoWay(Vehicle *v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2, int max_distance, int reverse_penalty, TileIndex* depot_tile, bool* reversed)
|
|
{
|
|
// set origin and destination nodes
|
|
Yapf().SetOrigin(t1, td1, t2, td2, reverse_penalty, true);
|
|
Yapf().SetDestination(v);
|
|
Yapf().SetMaxCost(YAPF_TILE_LENGTH * max_distance);
|
|
|
|
// find the best path
|
|
bool bFound = Yapf().FindPath(v);
|
|
if (!bFound) return false;
|
|
|
|
// some path found
|
|
// get found depot tile
|
|
Node& n = Yapf().GetBestNode();
|
|
*depot_tile = n.GetLastTile();
|
|
|
|
// walk through the path back to the origin
|
|
Node* pNode = &n;
|
|
while (pNode->m_parent != NULL) {
|
|
pNode = pNode->m_parent;
|
|
}
|
|
|
|
// if the origin node is our front vehicle tile/Trackdir then we didn't reverse
|
|
// but we can also look at the cost (== 0 -> not reversed, == reverse_penalty -> reversed)
|
|
*reversed = (pNode->m_cost != 0);
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
template <class Types>
|
|
class CYapfFollowRailT
|
|
{
|
|
public:
|
|
typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
|
|
typedef typename Types::TrackFollower TrackFollower;
|
|
typedef typename Types::NodeList::Titem Node; ///< this will be our node type
|
|
typedef typename Node::Key Key; ///< key to hash tables
|
|
|
|
protected:
|
|
/// to access inherited path finder
|
|
FORCEINLINE Tpf& Yapf() {return *static_cast<Tpf*>(this);}
|
|
|
|
public:
|
|
/** Called by YAPF to move from the given node to the next tile. For each
|
|
* reachable trackdir on the new tile creates new node, initializes it
|
|
* and adds it to the open list by calling Yapf().AddNewNode(n) */
|
|
inline void PfFollowNode(Node& old_node)
|
|
{
|
|
TrackFollower F(Yapf().GetVehicle());
|
|
if (F.Follow(old_node.GetLastTile(), old_node.GetLastTrackdir()))
|
|
Yapf().AddMultipleNodes(&old_node, F.m_new_tile, F.m_new_td_bits);
|
|
}
|
|
|
|
/// return debug report character to identify the transportation type
|
|
FORCEINLINE char TransportTypeChar() const {return 't';}
|
|
|
|
static Trackdir stChooseRailTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs)
|
|
{
|
|
// create pathfinder instance
|
|
Tpf pf;
|
|
return pf.ChooseRailTrack(v, tile, enterdir, trackdirs);
|
|
}
|
|
|
|
FORCEINLINE Trackdir ChooseRailTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs)
|
|
{
|
|
// set origin and destination nodes
|
|
Yapf().SetOrigin(v->tile, GetVehicleTrackdir(v), INVALID_TILE, INVALID_TRACKDIR, 1, true);
|
|
Yapf().SetDestination(v);
|
|
|
|
// find the best path
|
|
Yapf().FindPath(v);
|
|
|
|
// if path not found - return INVALID_TRACKDIR
|
|
Trackdir next_trackdir = INVALID_TRACKDIR;
|
|
Node* pNode = &Yapf().GetBestNode();
|
|
if (pNode != NULL) {
|
|
// path was found or at least suggested
|
|
// walk through the path back to the origin
|
|
Node* pPrev = NULL;
|
|
while (pNode->m_parent != NULL) {
|
|
pPrev = pNode;
|
|
pNode = pNode->m_parent;
|
|
}
|
|
// return trackdir from the best origin node (one of start nodes)
|
|
Node& best_next_node = *pPrev;
|
|
assert(best_next_node.GetTile() == tile);
|
|
next_trackdir = best_next_node.GetTrackdir();
|
|
}
|
|
return next_trackdir;
|
|
}
|
|
|
|
static bool stCheckReverseTrain(Vehicle* v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2)
|
|
{
|
|
Tpf pf;
|
|
return pf.CheckReverseTrain(v, t1, td1, t2, td2);
|
|
}
|
|
|
|
FORCEINLINE bool CheckReverseTrain(Vehicle* v, TileIndex t1, Trackdir td1, TileIndex t2, Trackdir td2)
|
|
{
|
|
// create pathfinder instance
|
|
// set origin and destination nodes
|
|
Yapf().SetOrigin(t1, td1, t2, td2, 1, false);
|
|
Yapf().SetDestination(v);
|
|
|
|
// find the best path
|
|
bool bFound = Yapf().FindPath(v);
|
|
|
|
if (!bFound) return false;
|
|
|
|
// path was found
|
|
// walk through the path back to the origin
|
|
Node* pNode = &Yapf().GetBestNode();
|
|
while (pNode->m_parent != NULL) {
|
|
pNode = pNode->m_parent;
|
|
}
|
|
|
|
// check if it was reversed origin
|
|
Node& best_org_node = *pNode;
|
|
bool reversed = (best_org_node.m_cost != 0);
|
|
return reversed;
|
|
}
|
|
};
|
|
|
|
template <class Tpf_, class Ttrack_follower, class Tnode_list, template <class Types> class TdestinationT, template <class Types> class TfollowT>
|
|
struct CYapfRail_TypesT
|
|
{
|
|
typedef CYapfRail_TypesT<Tpf_, Ttrack_follower, Tnode_list, TdestinationT, TfollowT> Types;
|
|
|
|
typedef Tpf_ Tpf;
|
|
typedef Ttrack_follower TrackFollower;
|
|
typedef Tnode_list NodeList;
|
|
typedef CYapfBaseT<Types> PfBase;
|
|
typedef TfollowT<Types> PfFollow;
|
|
typedef CYapfOriginTileTwoWayT<Types> PfOrigin;
|
|
typedef TdestinationT<Types> PfDestination;
|
|
typedef CYapfSegmentCostCacheGlobalT<Types> PfCache;
|
|
typedef CYapfCostRailT<Types> PfCost;
|
|
};
|
|
|
|
struct CYapfRail1 : CYapfT<CYapfRail_TypesT<CYapfRail1 , CFollowTrackRail , CRailNodeListTrackDir, CYapfDestinationTileOrStationRailT, CYapfFollowRailT> > {};
|
|
struct CYapfRail2 : CYapfT<CYapfRail_TypesT<CYapfRail2 , CFollowTrackRail , CRailNodeListExitDir , CYapfDestinationTileOrStationRailT, CYapfFollowRailT> > {};
|
|
struct CYapfRail3 : CYapfT<CYapfRail_TypesT<CYapfRail3 , CFollowTrackRailNo90, CRailNodeListTrackDir, CYapfDestinationTileOrStationRailT, CYapfFollowRailT> > {};
|
|
|
|
struct CYapfAnyDepotRail1 : CYapfT<CYapfRail_TypesT<CYapfAnyDepotRail1, CFollowTrackRail , CRailNodeListTrackDir, CYapfDestinationAnyDepotRailT , CYapfFollowAnyDepotRailT> > {};
|
|
struct CYapfAnyDepotRail2 : CYapfT<CYapfRail_TypesT<CYapfAnyDepotRail2, CFollowTrackRail , CRailNodeListExitDir , CYapfDestinationAnyDepotRailT , CYapfFollowAnyDepotRailT> > {};
|
|
struct CYapfAnyDepotRail3 : CYapfT<CYapfRail_TypesT<CYapfAnyDepotRail3, CFollowTrackRailNo90, CRailNodeListTrackDir, CYapfDestinationAnyDepotRailT , CYapfFollowAnyDepotRailT> > {};
|
|
|
|
|
|
Trackdir YapfChooseRailTrack(Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs)
|
|
{
|
|
// default is YAPF type 2
|
|
typedef Trackdir (*PfnChooseRailTrack)(Vehicle*, TileIndex, DiagDirection, TrackdirBits);
|
|
PfnChooseRailTrack pfnChooseRailTrack = &CYapfRail2::stChooseRailTrack;
|
|
|
|
// check if non-default YAPF type needed
|
|
if (_patches.forbid_90_deg)
|
|
pfnChooseRailTrack = &CYapfRail3::stChooseRailTrack; // Trackdir, forbid 90-deg
|
|
else if (_patches.yapf.disable_node_optimization)
|
|
pfnChooseRailTrack = &CYapfRail1::stChooseRailTrack; // Trackdir, allow 90-deg
|
|
|
|
Trackdir td_ret = pfnChooseRailTrack(v, tile, enterdir, trackdirs);
|
|
|
|
return td_ret;
|
|
}
|
|
|
|
bool YapfCheckReverseTrain(Vehicle* v)
|
|
{
|
|
// tile where the engine is
|
|
TileIndex tile = v->tile;
|
|
// tile where we have last wagon
|
|
Vehicle* last_veh = GetLastVehicleInChain(v);
|
|
// if we are in tunnel then give up
|
|
if (v->u.rail.track == 0x40 || last_veh->u.rail.track == 0x40) return false;
|
|
// get trackdirs of both ends
|
|
Trackdir td = GetVehicleTrackdir(v);
|
|
Trackdir td_rev = ReverseTrackdir(GetVehicleTrackdir(last_veh));
|
|
|
|
|
|
typedef bool (*PfnCheckReverseTrain)(Vehicle*, TileIndex, Trackdir, TileIndex, Trackdir);
|
|
PfnCheckReverseTrain pfnCheckReverseTrain = CYapfRail2::stCheckReverseTrain;
|
|
|
|
// check if non-default YAPF type needed
|
|
if (_patches.forbid_90_deg)
|
|
pfnCheckReverseTrain = &CYapfRail3::stCheckReverseTrain; // Trackdir, forbid 90-deg
|
|
else if (_patches.yapf.disable_node_optimization)
|
|
pfnCheckReverseTrain = &CYapfRail1::stCheckReverseTrain; // Trackdir, allow 90-deg
|
|
|
|
bool reverse = pfnCheckReverseTrain(v, tile, td, last_veh->tile, td_rev);
|
|
|
|
return reverse;
|
|
}
|
|
|
|
bool YapfFindNearestRailDepotTwoWay(Vehicle *v, int max_distance, int reverse_penalty, TileIndex* depot_tile, bool* reversed)
|
|
{
|
|
*depot_tile = INVALID_TILE;
|
|
*reversed = false;
|
|
|
|
Vehicle* last_veh = GetLastVehicleInChain(v);
|
|
|
|
bool first_in_tunnel = v->u.rail.track == 0x40;
|
|
bool last_in_tunnel = last_veh->u.rail.track == 0x40;
|
|
|
|
// tile where the engine and last wagon are
|
|
TileIndex tile = first_in_tunnel ? INVALID_TILE : v->tile;
|
|
TileIndex last_tile = last_in_tunnel ? INVALID_TILE : last_veh->tile;
|
|
|
|
// their trackdirs
|
|
Trackdir td = first_in_tunnel ? INVALID_TRACKDIR : GetVehicleTrackdir(v);
|
|
Trackdir td_rev = last_in_tunnel ? INVALID_TRACKDIR : ReverseTrackdir(GetVehicleTrackdir(last_veh));
|
|
|
|
typedef bool (*PfnFindNearestDepotTwoWay)(Vehicle*, TileIndex, Trackdir, TileIndex, Trackdir, int, int, TileIndex*, bool*);
|
|
PfnFindNearestDepotTwoWay pfnFindNearestDepotTwoWay = &CYapfAnyDepotRail2::stFindNearestDepotTwoWay;
|
|
|
|
// check if non-default YAPF type needed
|
|
if (_patches.forbid_90_deg)
|
|
pfnFindNearestDepotTwoWay = &CYapfAnyDepotRail3::stFindNearestDepotTwoWay; // Trackdir, forbid 90-deg
|
|
else if (_patches.yapf.disable_node_optimization)
|
|
pfnFindNearestDepotTwoWay = &CYapfAnyDepotRail1::stFindNearestDepotTwoWay; // Trackdir, allow 90-deg
|
|
|
|
bool ret = pfnFindNearestDepotTwoWay(v, tile, td, last_tile, td_rev, max_distance, reverse_penalty, depot_tile, reversed);
|
|
return ret;
|
|
}
|
|
|
|
/** if any track changes, this counter is incremented - that will invalidate segment cost cache */
|
|
int CSegmentCostCacheBase::s_rail_change_counter = 0;
|
|
|
|
void YapfNotifyTrackLayoutChange(TileIndex tile, Track track) {CSegmentCostCacheBase::NotifyTrackLayoutChange(tile, track);}
|