public int getValidMove(byte[][] board, int source, int target) {
ArrayList<Integer> validMoveList = new ArrayList<Integer>();
int validMove = 0;
int move = source | (target << 8);
int[] validMoves =
moveGeneration.generateMoves(
Transformer.getBitboardStyl(board), side, epTarget, castlingRights);
for (int i = 0; i < EngineConstants.MOVE_LIST_SIZE; i++) {
if (move == (validMoves[i] & 0x0000FFFF)) {
validMoveList.add(validMoves[i]);
}
}
// check King Safety
int validMoveListSize = validMoveList.size();
for (int i = 0; i < validMoveListSize; i++) {
validMove = validMoveList.get(i);
GamePlayMove gamePlayMove = new GamePlayMove(base, validMove);
if (gamePlayMove.isKingInCheck()) {
return 0;
}
}
// choose item to be promoted
if (validMoveListSize > 1) {
base.runPopupPromotionFrame(side);
byte toBePromotedItem = base.getPromotionPanel().getLastChoosenPromotionItem();
for (int i = 0; i < validMoveListSize; i++) {
validMove = validMoveList.get(i);
if (((validMove & 0xF00000) >>> 20) == (int) toBePromotedItem) {
break;
}
}
}
return validMove;
}
public void undoMove() {
if ((!PieceEffects.existsActiveTimer() && moveHistory.size() > 0)) {
GamePlayMove gamePlayMove = moveHistory.get(moveHistory.size() - 1);
moveHistory.remove(moveHistory.size() - 1);
gamePlayMove.unImplement();
reverseTurn();
}
}
public void doMove(int move) {
if (!PieceEffects.existsActiveTimer()) {
GamePlayMove gamePlayMove = new GamePlayMove(base, move);
moveHistory.add(gamePlayMove);
gamePlayMove.implement();
reverseTurn();
}
}
