// undo
// 从undoQueue中删除并放到redoQueue中
public String undo() {
String last = undoQueue.pollLast();
if (last != null) {
redoQueue.addLast(last);
}
return undoQueue.peekLast();
}
void handleWorkUnitComplete(WorkUnit w) {
for (int depId : w.getDependencyIds()) {
m_missingDependencies.remove(depId);
}
// slide this new stack frame drop into the right position
// (before any other stack frame drops)
if ((w.shouldResumeProcedure())
&& (m_readyWorkUnits.peekLast() != null)
&& (m_readyWorkUnits.peekLast().shouldResumeProcedure())) {
ArrayDeque<WorkUnit> deque = new ArrayDeque<WorkUnit>();
while ((m_readyWorkUnits.peekLast() != null)
&& (m_readyWorkUnits.peekLast().shouldResumeProcedure())) {
deque.add(m_readyWorkUnits.pollLast());
}
deque.add(w);
while (deque.size() > 0) m_readyWorkUnits.add(deque.pollLast());
} else {
m_readyWorkUnits.add(w);
}
}
/** pops from current frame */
private Object pop() {
return peekFrame.pollLast();
}
private ArrayDeque popFrame() {
ArrayDeque frame = frames.pollLast();
peekFrame = frames.peekLast();
return frame;
}
private void endStep() {
stepStack.pollLast();
}
public static void recur(int[][] board, int z) {
int[][] tempBoard = new int[4][4];
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
tempBoard[i][j] = board[i][j];
}
}
Moves.storeNext();
// GUI.ThreesGUI gui = new GUI.ThreesGUI();
ArrayDeque<String> finalmoves = new ArrayDeque<String>();
ArrayDeque<String> temp = new ArrayDeque<String>();
LinkedList<Object> temp2 = new LinkedList<Object>();
LinkedList<Object> temp3 = new LinkedList<Object>();
String nextMove = "";
for (int i = 0; i < z; i++) {
temp = new ArrayDeque<String>(AStar(tempBoard, 50));
temp.poll();
temp.poll();
tempBoard = GUI.Threes.board.clone();
temp3 = Moves.doMove(tempBoard, temp, false);
temp3.poll();
temp3.poll();
int k = 0;
boolean gameon = true;
while (!temp.isEmpty() && k < 5 && gameon) {
nextMove = temp.pollLast();
if (nextMove.equals("L")) {
gameon = GUI.Threes.Left();
} else if (nextMove.equals("R")) {
gameon = GUI.Threes.Right();
} else if (nextMove.equals("U")) {
gameon = GUI.Threes.Up();
} else if (nextMove.equals("D")) {
gameon = GUI.Threes.Down();
} else nextMove = "X";
k++;
if (!nextMove.equals("X") && gameon) {
finalmoves.addFirst(nextMove);
Moves.popNext();
}
}
// tempBoard = GUI.Threes.board.clone();
// if(!nextMove.equals("X"))
// finalmoves.addFirst(nextMove);
// Moves.popNext();
if (!gameon) {
i = z;
}
}
System.out.println("contents of finalmoves");
int movesize = finalmoves.size();
ArrayDeque<String> printemp = new ArrayDeque<String>(finalmoves);
for (int i = 0; i < movesize; i++) {
System.out.print(printemp.remove());
}
System.out.println();
temp2 = Moves.doMove(board, finalmoves, true);
System.out.println("heuristic score was: " + temp2.remove(0));
System.out.println("Final score was: " + temp2.remove(0));
GUI.Threes.finalBoard();
System.out.println("Move string was");
while (!temp2.isEmpty()) {
System.out.print(temp2.remove());
}
System.out.println();
}