Esempio n. 1
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 /** Some nodes may have their biases updated. */
 @Override
 public void descend(McRunnable runnable) {
   SearchNode node = getRoot();
   assert node != null : "Fancy hash code: " + board.getFancyHash();
   while (runnable.getBoard().getPasses() < 2) {
     selectAndPlayMove(node, runnable);
     final SearchNode child = table.findIfPresent(runnable.getBoard().getFancyHash());
     if (child == null) {
       return; // No child
     }
     if (child.getTotalRuns() > biasDelay && !child.biasUpdated()) {
       child.updateBias(runnable);
     }
     node = child;
   }
 }
Esempio n. 2
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 @Override
 public void fakeDescend(McRunnable runnable, short... moves) {
   runnable.copyDataFrom(board);
   final SearchNode node = getRoot();
   assert node != null : "Fancy hash code: " + board.getFancyHash();
   for (final short move : moves) {
     System.out.println("Passing " + move + " to runnable");
     runnable.acceptMove(move);
     final SearchNode child = table.findIfPresent(runnable.getBoard().getFancyHash());
     if (child == null) {
       return; // No child
     }
     if (child.getTotalRuns() > biasDelay && !child.biasUpdated()) {
       child.updateBias(runnable);
     }
   }
 }
Esempio n. 3
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 /** Returns the root node (creating it if necessary). */
 SearchNode getRoot() {
   return table.findOrAllocate(board.getFancyHash());
 }
Esempio n. 4
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 /** Copies data from that (the player's real board) to the local board. */
 public void copyDataFrom(Board that) {
   board.copyDataFrom(that);
   fancyHashes[board.getTurn()] = board.getFancyHash();
 }
Esempio n. 5
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 /**
  * Accepts (plays on on this McRunnable's own board) the given move.
  *
  * @see edu.lclark.orego.core.Board#play(short)
  */
 public void acceptMove(short p) {
   final Legality legality = board.play(p);
   assert legality == OK
       : "Legality " + legality + " for move " + coords.toString(p) + "\n" + board;
   fancyHashes[board.getTurn()] = board.getFancyHash();
 }