/** FIXME clients can undo each others moves. FIXME information about the principal is lost. */
public void undoLastMove() {
if (moveStack.size() > 0) {
Move m = (Move) moveStack.removeLast();
MoveStatus ms;
synchronized (world) {
ms = m.undoMove(world, Player.NOBODY);
}
if (ms != MoveStatus.MOVE_OK) {
logger.log(Level.INFO, "Couldn't undo move!");
/* push it back on the stack to prevent further
* out-of-order undos */
moveStack.add(m);
}
forwardMove(m, ms);
} else {
logger.log(Level.INFO, "No moves on stack.");
}
}
void processMove(Move move, FreerailsPrincipal p) {
/*
* if the server is submitting the move, then act on behalf of whoever
* move was submitted for
*/
if (p.equals(Player.AUTHORITATIVE)) p = move.getPrincipal();
moveStack.add(move);
if (moveStack.size() > MAX_UNDOS) {
moveStack.removeFirst();
}
MoveStatus ms;
synchronized (world) {
ms = move.doMove(world, p);
}
if (ms != MoveStatus.MOVE_OK)
logger.log(Level.INFO, "Server rejected move because " + ms + ": " + move);
forwardMove(move, ms);
}
/** @see MoveReceiver#processMove(Move) */
public void processMove(Move move) {
processMove(move, move.getPrincipal());
}