jfreerails.move
Class ChangeTrackPieceMove

java.lang.Object
  jfreerails.move.ChangeTrackPieceMove

All Implemented Interfaces:

java.io.Serializable, MapUpdateMove, Move, TrackMove, FreerailsSerializable

public final class ChangeTrackPieceMove
extends java.lang.Object
implements TrackMove, MapUpdateMove

This Move adds, removes, or upgrades the track on a single tile.

Author:

Luke

See Also:

Serialized Form

Field Summary

private ImPoint	location
private static long	serialVersionUID
private TrackPiece	trackPieceAfter
(package private) TrackPiece	trackPieceBefore

Constructor Summary

ChangeTrackPieceMove(TrackPiece before, TrackPiece after, ImPoint p)

Method Summary

protected static boolean	canConnect2OtherRRsTrack(ReadOnlyWorld world)
protected static MoveStatus	check4overlap(World w, ImPoint location, TrackPiece trackPiece) This method may be called under 3 possible conditions: (1) when a station is getting built, (2) when a station is getting upgraded, (3) when a staton is getting removed.
MoveStatus	doMove(World w, FreerailsPrincipal p) Executes this move on the specifed world object.
boolean	equals(java.lang.Object o)
ImPoint	getLocation()
TrackPiece	getNewTrackPiece()
TrackPiece	getOldTrackPiece()
java.awt.Rectangle	getUpdatedTiles()
int	hashCode()
private void	move(World w, TrackPiece oldTrackPiece, TrackPiece newTrackPiece)
private boolean	noDiagonalTrackConflicts(ImPoint point, int trackTemplate, World w)
MoveStatus	tryDoMove(World w, FreerailsPrincipal p) Tests whether this Move can be executed on the specifed world object, this method should leave the world object unchanged.
private MoveStatus	tryMove(World w, TrackPiece oldTrackPiece, TrackPiece newTrackPiece)
MoveStatus	tryUndoMove(World w, FreerailsPrincipal p) Tests whether this Move can be undone on the specifed world object, this method should leave the world object unchanged.
MoveStatus	undoMove(World w, FreerailsPrincipal p) If doMove has just been executed on the specified world object, calling this method changes the state of the world object back to how it was before doMove was called.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

trackPieceBefore

final TrackPiece trackPieceBefore

trackPieceAfter

private final TrackPiece trackPieceAfter

location

private final ImPoint location

Constructor Detail

ChangeTrackPieceMove

public ChangeTrackPieceMove(TrackPiece before,
                            TrackPiece after,
                            ImPoint p)

Method Detail

getLocation

public ImPoint getLocation()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getOldTrackPiece

public TrackPiece getOldTrackPiece()

getNewTrackPiece

public TrackPiece getNewTrackPiece()

tryDoMove

public MoveStatus tryDoMove(World w,
                            FreerailsPrincipal p)

Description copied from interface: Move

Tests whether this Move can be executed on the specifed world object, this method should leave the world object unchanged.

Specified by:

tryDoMove in interface Move

tryMove

private MoveStatus tryMove(World w,
                           TrackPiece oldTrackPiece,
                           TrackPiece newTrackPiece)

tryUndoMove

public MoveStatus tryUndoMove(World w,
                              FreerailsPrincipal p)

Description copied from interface: Move

Tests whether this Move can be undone on the specifed world object, this method should leave the world object unchanged.

Specified by:

tryUndoMove in interface Move

doMove

public MoveStatus doMove(World w,
                         FreerailsPrincipal p)

Description copied from interface: Move

Executes this move on the specifed world object.

Specified by:

doMove in interface Move

move

private void move(World w,
                  TrackPiece oldTrackPiece,
                  TrackPiece newTrackPiece)

undoMove

public MoveStatus undoMove(World w,
                           FreerailsPrincipal p)

Description copied from interface: Move

If doMove has just been executed on the specified world object, calling this method changes the state of the world object back to how it was before doMove was called.

Specified by:

undoMove in interface Move

noDiagonalTrackConflicts

private boolean noDiagonalTrackConflicts(ImPoint point,
                                         int trackTemplate,
                                         World w)

getUpdatedTiles

public java.awt.Rectangle getUpdatedTiles()

Specified by:

getUpdatedTiles in interface MapUpdateMove

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

canConnect2OtherRRsTrack

protected static boolean canConnect2OtherRRsTrack(ReadOnlyWorld world)

check4overlap

protected static MoveStatus check4overlap(World w,
                                          ImPoint location,
                                          TrackPiece trackPiece)

This method may be called under 3 possible conditions: (1) when a station is getting built, (2) when a station is getting upgraded, (3) when a staton is getting removed.