@Override
public void findControlledStacks(String boardSpace) {
Tile boardTile = new Tile();
boardTile = boardTile.stringToTile(boardSpace);
if (boardTile.getColor() == 'W') {
int newScore = getScore() + boardTile.getPipsLeftEnd() + boardTile.getPipsRightEnd();
setScore(newScore);
}
}
/**
* Puts the logic behind the computer's move into a string based on the move it made, wording
* slightly changed to accommodate for help mode.
*
* @return String value cpuMove, cpuMoveDouble, or cpuMoveOwn. Depending on the move made a
* different message will be returned.
*/
public String displayHelpMove() {
int cpuTilePipTotal = tilePlayed.getTotalTilePipScore();
int prevTilePipTotal = tileReplaced.getTotalTilePipScore();
// Previous tile was human owned.
if (tileReplaced.getColor() == 'W') {
// A non-double, 5-5, or 6-6 double was played.
if ((cpuTilePipTotal >= prevTilePipTotal) || cpuTilePipTotal == 10 || cpuTilePipTotal == 12) {
StringBuffer cpuMove = new StringBuffer();
cpuMove.append("CPU recommends moving domino ");
cpuMove.append(tilePlayed.tileToString());
cpuMove.append(" to location ");
cpuMove.append(location);
cpuMove.append(" because tile ");
cpuMove.append(tileReplaced.tileToString());
cpuMove.append(" presents the\n");
cpuMove.append("highest available net score increase for that tile.");
return cpuMove.toString();
}
// Any other double was played.
else {
StringBuffer cpuMoveDouble = new StringBuffer();
cpuMoveDouble.append("CPU recommends moving domino ");
cpuMoveDouble.append(tilePlayed.tileToString());
cpuMoveDouble.append(" to location ");
cpuMoveDouble.append(location);
cpuMoveDouble.append(" to reset a stack since location\n");
cpuMoveDouble.append(location);
cpuMoveDouble.append(" had a higher value tile ");
cpuMoveDouble.append(tileReplaced.tileToString());
return cpuMoveDouble.toString();
}
}
// Previous tile was cpu owned.
else {
StringBuffer cpuMoveOwn = new StringBuffer();
cpuMoveOwn.append("CPU recommends moving domino ");
cpuMoveOwn.append(tilePlayed.tileToString());
cpuMoveOwn.append(" to location ");
cpuMoveOwn.append(location);
cpuMoveOwn.append(" because tile ");
cpuMoveOwn.append(tileReplaced.tileToString());
cpuMoveOwn.append(" was a low valued tile\n");
cpuMoveOwn.append("of its own color.");
return cpuMoveOwn.toString();
}
}
/**
* Creates an ArrayList of integers that represent the best possible moves on the board for a
* given tile.
*
* @param cpuSelectedTile A Tile object that the computer player chose from its hand.
* @param gameBoard A Board object that holds all the tiles currently on the board.
* @return bestMove An ArrayList of integers whose values represent the desirability of a move at
* each location on the board. The higher the number the more desirable the move.
*/
public ArrayList<Integer> calculateBestMoveVector(Tile cpuSelectedTile, Board gameBoard) {
ArrayList<Integer> bestMove = new ArrayList<Integer>();
for (int space = 0; space < gameBoard.getBoardStacks().size(); space++) {
Tile boardTile = new Tile();
// Get boardTile from the game board.
String boardTileString = gameBoard.getBoardStacks().get(space);
// Convert the tile from string to Tile.
boardTile = boardTile.stringToTile(boardTileString);
int moveScore = 0;
// Positive score computer tile on human tile.
if (cpuSelectedTile.getColor() == 'W' && boardTile.getColor() == 'B') {
moveScore =
(cpuSelectedTile.getPipsLeftEnd() + cpuSelectedTile.getPipsRightEnd())
+ (boardTile.getPipsLeftEnd() + boardTile.getPipsRightEnd());
}
// Negative score computer tile on own computer tile.
else if (cpuSelectedTile.getColor() == 'W' && boardTile.getColor() == 'W') {
moveScore =
(cpuSelectedTile.getPipsLeftEnd() + cpuSelectedTile.getPipsRightEnd())
- (boardTile.getPipsLeftEnd() + boardTile.getPipsRightEnd())
- 10;
}
// This is for help function, positive score human tile on computer tile.
else if (cpuSelectedTile.getColor() == 'B' && boardTile.getColor() == 'W') {
moveScore =
(cpuSelectedTile.getPipsLeftEnd() + cpuSelectedTile.getPipsRightEnd())
+ (boardTile.getPipsLeftEnd() + boardTile.getPipsRightEnd());
}
// Also for help function, negative score human tile on own human tile.
else if (cpuSelectedTile.getColor() == 'B' && boardTile.getColor() == 'B') {
moveScore =
(cpuSelectedTile.getPipsLeftEnd() + cpuSelectedTile.getPipsRightEnd())
- (boardTile.getPipsLeftEnd() + boardTile.getPipsRightEnd())
- 10;
}
bestMove.add(moveScore);
}
return bestMove;
}