File diff r18781:e1de9a06f7cd → r18782:6453522c2154
src/pathfinder/follow_track.hpp
Show inline comments
 
@@ -50,31 +50,31 @@ struct CFollowTrackT
 
	bool                m_is_station;    ///< last turn passed station
 
	int                 m_tiles_skipped; ///< number of skipped tunnel or station tiles
 
	ErrorCode           m_err;
 
	CPerformanceTimer  *m_pPerf;
 
	RailTypes           m_railtypes;
 

	
 
	FORCEINLINE CFollowTrackT(const VehicleType *v = NULL, RailTypes railtype_override = INVALID_RAILTYPES, CPerformanceTimer *pPerf = NULL)
 
	inline CFollowTrackT(const VehicleType *v = NULL, RailTypes railtype_override = INVALID_RAILTYPES, CPerformanceTimer *pPerf = NULL)
 
	{
 
		Init(v, railtype_override, pPerf);
 
	}
 

	
 
	FORCEINLINE CFollowTrackT(Owner o, RailTypes railtype_override = INVALID_RAILTYPES, CPerformanceTimer *pPerf = NULL)
 
	inline CFollowTrackT(Owner o, RailTypes railtype_override = INVALID_RAILTYPES, CPerformanceTimer *pPerf = NULL)
 
	{
 
		m_veh = NULL;
 
		Init(o, railtype_override, pPerf);
 
	}
 

	
 
	FORCEINLINE void Init(const VehicleType *v, RailTypes railtype_override, CPerformanceTimer *pPerf)
 
	inline void Init(const VehicleType *v, RailTypes railtype_override, CPerformanceTimer *pPerf)
 
	{
 
		assert(!IsRailTT() || (v != NULL && v->type == VEH_TRAIN));
 
		m_veh = v;
 
		Init(v != NULL ? v->owner : INVALID_OWNER, IsRailTT() && railtype_override == INVALID_RAILTYPES ? Train::From(v)->compatible_railtypes : railtype_override, pPerf);
 
	}
 

	
 
	FORCEINLINE void Init(Owner o, RailTypes railtype_override, CPerformanceTimer *pPerf)
 
	inline void Init(Owner o, RailTypes railtype_override, CPerformanceTimer *pPerf)
 
	{
 
		assert((!IsRoadTT() || m_veh != NULL) && (!IsRailTT() || railtype_override != INVALID_RAILTYPES));
 
		m_veh_owner = o;
 
		m_pPerf = pPerf;
 
		/* don't worry, all is inlined so compiler should remove unnecessary initializations */
 
		m_new_tile = INVALID_TILE;
 
@@ -83,22 +83,22 @@ struct CFollowTrackT
 
		m_is_station = m_is_bridge = m_is_tunnel = false;
 
		m_tiles_skipped = 0;
 
		m_err = EC_NONE;
 
		m_railtypes = railtype_override;
 
	}
 

	
 
	FORCEINLINE static TransportType TT() {return Ttr_type_;}
 
	FORCEINLINE static bool IsWaterTT() {return TT() == TRANSPORT_WATER;}
 
	FORCEINLINE static bool IsRailTT() {return TT() == TRANSPORT_RAIL;}
 
	FORCEINLINE bool IsTram() {return IsRoadTT() && HasBit(RoadVehicle::From(m_veh)->compatible_roadtypes, ROADTYPE_TRAM);}
 
	FORCEINLINE static bool IsRoadTT() {return TT() == TRANSPORT_ROAD;}
 
	FORCEINLINE static bool Allow90degTurns() {return T90deg_turns_allowed_;}
 
	FORCEINLINE static bool DoTrackMasking() {return IsRailTT() && Tmask_reserved_tracks;}
 
	inline static TransportType TT() {return Ttr_type_;}
 
	inline static bool IsWaterTT() {return TT() == TRANSPORT_WATER;}
 
	inline static bool IsRailTT() {return TT() == TRANSPORT_RAIL;}
 
	inline bool IsTram() {return IsRoadTT() && HasBit(RoadVehicle::From(m_veh)->compatible_roadtypes, ROADTYPE_TRAM);}
 
	inline static bool IsRoadTT() {return TT() == TRANSPORT_ROAD;}
 
	inline static bool Allow90degTurns() {return T90deg_turns_allowed_;}
 
	inline static bool DoTrackMasking() {return IsRailTT() && Tmask_reserved_tracks;}
 

	
 
	/** Tests if a tile is a road tile with a single tramtrack (tram can reverse) */
 
	FORCEINLINE DiagDirection GetSingleTramBit(TileIndex tile)
 
	inline DiagDirection GetSingleTramBit(TileIndex tile)
 
	{
 
		assert(IsTram()); // this function shouldn't be called in other cases
 

	
 
		if (IsNormalRoadTile(tile)) {
 
			RoadBits rb = GetRoadBits(tile, ROADTYPE_TRAM);
 
			switch (rb) {
 
@@ -186,13 +186,13 @@ struct CFollowTrackT
 
		}
 
		return true;
 
	}
 

	
 
protected:
 
	/** Follow the m_exitdir from m_old_tile and fill m_new_tile and m_tiles_skipped */
 
	FORCEINLINE void FollowTileExit()
 
	inline void FollowTileExit()
 
	{
 
		m_is_station = m_is_bridge = m_is_tunnel = false;
 
		m_tiles_skipped = 0;
 

	
 
		/* extra handling for tunnels and bridges in our direction */
 
		if (IsTileType(m_old_tile, MP_TUNNELBRIDGE)) {
 
@@ -224,13 +224,13 @@ protected:
 
		} else {
 
			m_is_station = false;
 
		}
 
	}
 

	
 
	/** stores track status (available trackdirs) for the new tile into m_new_td_bits */
 
	FORCEINLINE bool QueryNewTileTrackStatus()
 
	inline bool QueryNewTileTrackStatus()
 
	{
 
		CPerfStart perf(*m_pPerf);
 
		if (IsRailTT() && IsPlainRailTile(m_new_tile)) {
 
			m_new_td_bits = (TrackdirBits)(GetTrackBits(m_new_tile) * 0x101);
 
		} else {
 
			m_new_td_bits = TrackStatusToTrackdirBits(GetTileTrackStatus(m_new_tile, TT(), IsRoadTT() && m_veh != NULL ? RoadVehicle::From(m_veh)->compatible_roadtypes : 0));
 
@@ -254,13 +254,13 @@ protected:
 
			}
 
		}
 
		return (m_new_td_bits != TRACKDIR_BIT_NONE);
 
	}
 

	
 
	/** return true if we can leave m_old_tile in m_exitdir */
 
	FORCEINLINE bool CanExitOldTile()
 
	inline bool CanExitOldTile()
 
	{
 
		/* road stop can be left at one direction only unless it's a drive-through stop */
 
		if (IsRoadTT() && IsStandardRoadStopTile(m_old_tile)) {
 
			DiagDirection exitdir = GetRoadStopDir(m_old_tile);
 
			if (exitdir != m_exitdir) {
 
				m_err = EC_NO_WAY;
 
@@ -286,13 +286,13 @@ protected:
 
			}
 
		}
 
		return true;
 
	}
 

	
 
	/** return true if we can enter m_new_tile from m_exitdir */
 
	FORCEINLINE bool CanEnterNewTile()
 
	inline bool CanEnterNewTile()
 
	{
 
		if (IsRoadTT() && IsStandardRoadStopTile(m_new_tile)) {
 
			/* road stop can be entered from one direction only unless it's a drive-through stop */
 
			DiagDirection exitdir = GetRoadStopDir(m_new_tile);
 
			if (ReverseDiagDir(exitdir) != m_exitdir) {
 
				m_err = EC_NO_WAY;
 
@@ -383,13 +383,13 @@ protected:
 
		}
 

	
 
		return true;
 
	}
 

	
 
	/** return true if we must reverse (in depots and single tram bits) */
 
	FORCEINLINE bool ForcedReverse()
 
	inline bool ForcedReverse()
 
	{
 
		/* rail and road depots cause reversing */
 
		if (!IsWaterTT() && IsDepotTypeTile(m_old_tile, TT())) {
 
			DiagDirection exitdir = IsRailTT() ? GetRailDepotDirection(m_old_tile) : GetRoadDepotDirection(m_old_tile);
 
			if (exitdir != m_exitdir) {
 
				/* reverse */
 
@@ -414,13 +414,13 @@ protected:
 
		}
 

	
 
		return false;
 
	}
 

	
 
	/** return true if we successfully reversed at end of road/track */
 
	FORCEINLINE bool TryReverse()
 
	inline bool TryReverse()
 
	{
 
		if (IsRoadTT() && !IsTram()) {
 
			/* if we reached the end of road, we can reverse the RV and continue moving */
 
			m_exitdir = ReverseDiagDir(m_exitdir);
 
			/* new tile will be the same as old one */
 
			m_new_tile = m_old_tile;