rails.game.move
Class MoveStack

java.lang.Object
  rails.game.move.MoveStack

public class MoveStack
extends java.lang.Object

This class represent one game's complete "move stack", which is a list of MoveSets. Each MoveSet contains the (low-level) changes caused by one particular player action.

The only purpose of the move stack is to enable Undo and Redo.

Author:

Erik Vos

Field Summary

protected static org.apache.log4j.Logger

log

Constructor Summary

MoveStack()

Method Summary

boolean	addMove(Move move)
boolean	cancel()
void	enable() Start making moves undoable.
boolean	finish()
int	getCurrentIndex() the current index is the one of either the open moveset or if none is open of the latest added
int	getIndex()
boolean	gotoIndex(int index) undo/redo to a given moveStack index
boolean	isOpen()
boolean	isRedoable()
boolean	isUndoableByManager()
boolean	isUndoableByPlayer()
void	linkToPreviousMoveSet()
boolean	redoMoveSet()
int	size()
MoveSet	start(boolean undoableByPlayer)
boolean	undoMoveSet(boolean forced)

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.apache.log4j.Logger log

Constructor Detail

MoveStack

public MoveStack()

Method Detail

enable

public void enable()

Start making moves undoable. Will be called once, after all initialisations are complete.

start

public MoveSet start(boolean undoableByPlayer)

finish

public boolean finish()

cancel

public boolean cancel()

addMove

public boolean addMove(Move move)

linkToPreviousMoveSet

public void linkToPreviousMoveSet()

undoMoveSet

public boolean undoMoveSet(boolean forced)

redoMoveSet

public boolean redoMoveSet()

isUndoableByPlayer

public boolean isUndoableByPlayer()

isRedoable

public boolean isRedoable()

isUndoableByManager

public boolean isUndoableByManager()

isOpen

public boolean isOpen()

getIndex

public int getIndex()

getCurrentIndex

public int getCurrentIndex()

the current index is the one of either the open moveset or if none is open of the latest added

size

public int size()

gotoIndex

public boolean gotoIndex(int index)

undo/redo to a given moveStack index