public void InitializePuzzlePieces()
{
unUsedPieces = new Dictionary <string, IPentominoePuzzlePiece>();
ConcretePuzzlePieceFactory puzzlePieceFactory = new ConcretePuzzlePieceFactory();
IPentominoePuzzlePiece piece = puzzlePieceFactory.CreatePuzzlePiece("X");
unUsedPieces.Add(piece.pieceName(), piece);
piece = puzzlePieceFactory.CreatePuzzlePiece("I");
unUsedPieces.Add(piece.pieceName(), piece);
piece = puzzlePieceFactory.CreatePuzzlePiece("T");
unUsedPieces.Add(piece.pieceName(), piece);
/*
* unUsedPieces.Add(new PentominoePuzzlePiece("F"));
*
* unUsedPieces.Add(new PentominoePuzzlePiece("L"));
* unUsedPieces.Add(new PentominoePuzzlePiece("N"));
* unUsedPieces.Add(new PentominoePuzzlePiece("P"));
* unUsedPieces.Add(new PentominoePuzzlePiece("T"));
* unUsedPieces.Add(new PentominoePuzzlePiece("U"));
* unUsedPieces.Add(new PentominoePuzzlePiece("V"));
* unUsedPieces.Add(new PentominoePuzzlePiece("W"));
* unUsedPieces.Add(new PentominoePuzzlePiece("Y"));
* unUsedPieces.Add(new PentominoePuzzlePiece("Z"));
*/
}
public void PlacePieceTInBounds()
{
PentominoeGameBoard board = new PentominoeGameBoard();
IPentominoePuzzlePiece piece = board.ChoosePiece("T");
bool ret = board.PlacePiece(piece, 8, 2);
Assert.IsTrue(ret);
}
public void PlacePieceIOutOfBounds()
{
PentominoeGameBoard board = new PentominoeGameBoard();
IPentominoePuzzlePiece piece = board.ChoosePiece("I");
bool ret = board.PlacePiece(piece, 0, 0);
Assert.IsTrue(!ret);
}
//TODO.. needs to ignore units already placed. need additional param
private bool DoesUnitPieceCoverLocation(IPentominoePuzzlePiece piece, int unitNumber, int xIndex, int yIndex, HashSet <int> unitsPlaced)
{
PentominoeGameBoardLocation location;
if (unitsPlaced != null && unitsPlaced.Count == 5)
{
return(true);
}
//ensure x,y locaiton on the game board and not covered.
if (xIndex < 0 || yIndex < 0 || xIndex >= boardWidth || yIndex >= boardHeight)
{
Trace.WriteLine(piece.pieceName() + " unit " + unitNumber + "DOES NOT fit at location " + xIndex + " , " + yIndex + "OUT OF BOUNDS");
return(false);
}
location = gameBoard[xIndex, yIndex];
if (location.Covered)
{
Trace.WriteLine(piece.pieceName() + " unit " + unitNumber + "DOES NOT fit at location " + xIndex + " , " + yIndex + "ALREADY COVERED");
return(false);
}
if (unitsPlaced == null)
{
unitsPlaced = new HashSet <int>();
}
unitsPlaced.Add(unitNumber);
bool ret = true;
PentominoePuzzleUnit unitSquare = piece.getUnits()[unitNumber];
foreach (AdjacentLocation loc in unitSquare.adjacentLocations)
{
if (loc.Covered && !unitsPlaced.Contains(loc.UnitNumber)) //not every adjacent location is covered
{
ret = DoesUnitPieceCoverLocation(piece, loc.UnitNumber, xIndex + loc.Xoffset, yIndex + loc.Yoffset, unitsPlaced);
if (!ret)
{
break;
}
}
}
Trace.WriteLine(piece.pieceName() + " unit " + unitNumber + " fits " + ret + " at location " + xIndex + " , " + yIndex);
return(ret);
}
public bool PlacePiece(IPentominoePuzzlePiece piece, int xIndex, int yIndex)
{
return(DoesUnitPieceCoverLocation(piece, 0, xIndex, yIndex, null));
}
