private bool TryIncludeAddOperation(List <BoardOperation> resultOperations)
{
var resultOperation = new BoardOperation();
resultOperation.Type = OperationTypes.Add;
var boardStatus = this.currentStatus;
for (int i = 0; i < boardStatus.Length; i++)
{
int yOffset = -1;
for (int j = 0; j < boardStatus[0].Length; j++)
{
if (boardStatus[i][j].Type == CandyTypes.Empty)
{
yOffset++;
resultOperation.AddCandyOperation(new CandyOperation
{
PreviousPosition = new Coordinate {
X = i, Y = -1
},
CurrentPosition = new Coordinate {
X = i, Y = j
},
CandyProperties = new Candy
{
Type = CandyTypes.Regular,
Color = this.generator.GetRandomCandyColor()
}
});
}
else
{
var opCount = resultOperation.CandyOperations.Count;
while (yOffset > 0)
{
var coord = resultOperation.CandyOperations[opCount - yOffset].PreviousPosition;
coord.Y -= yOffset;
resultOperation.CandyOperations[opCount - yOffset].PreviousPosition = coord;
yOffset--;
}
break;
}
}
}
if (resultOperation.CandyOperations.Count > 0)
{
resultOperations.Add(resultOperation);
return(true);
}
return(false);
}
private bool TryIncludeMoveOperation(List <BoardOperation> resultOperations)
{
var resultOperation = new BoardOperation();
resultOperation.Type = OperationTypes.Move;
var boardStatus = this.currentStatus;
for (int i = 0; i < boardStatus.Length; i++)
{
var empty = 0;
for (int j = boardStatus[0].Length - 1; j >= 0; j--)
{
if (boardStatus[i][j].Type == CandyTypes.Empty)
{
empty++;
}
else if (empty > 0)
{
resultOperation.AddCandyOperation(new CandyOperation
{
PreviousPosition = new Coordinate {
X = i, Y = j
},
CurrentPosition = new Coordinate {
X = i, Y = j + empty
}
});
}
}
}
if (resultOperation.CandyOperations.Count > 0)
{
resultOperations.Add(resultOperation);
return(true);
}
return(false);
}
private void CreateRemoveCandyOperation(List <Coordinate> removedCoordinates, Candy[][] boardStatus, Piece piece, int i, int j, BoardOperation resultOperation)
{
var coordinate = new Coordinate {
X = i, Y = j
};
if (removedCoordinates.Contains(coordinate) || !this.IsValidCoordinate(coordinate))
{
return;
}
removedCoordinates.Add(new Coordinate {
X = i, Y = j
});
resultOperation.AddCandyOperation(new CandyOperation
{
PreviousPosition = new Coordinate {
X = i, Y = j
},
CurrentPosition = new Coordinate {
X = -1, Y = -1
}
});
var candy = boardStatus[i][j];
if (candy.Type == CandyTypes.FourInLine)
{
// Remove line
if (piece.M == 1)
{
for (int fi = 0; fi < boardStatus.Length; fi++)
{
this.CreateRemoveCandyOperation(removedCoordinates, boardStatus, piece, fi, j, resultOperation);
}
}
else if (piece.N == 1)
{
for (int fj = 0; fj < boardStatus[0].Length; fj++)
{
this.CreateRemoveCandyOperation(removedCoordinates, boardStatus, piece, i, fj, resultOperation);
}
}
}
if (candy.Type == CandyTypes.FourInSquare)
{
// Remove box of 4x4
for (int fi = -1; fi < 2; fi++)
{
for (int fj = -1; fj < 2; fj++)
{
this.CreateRemoveCandyOperation(removedCoordinates, boardStatus, piece, i + fi, j + fj, resultOperation);
}
}
}
}
private bool TryIncludeRemoveOperation(List <BoardOperation> resultOperations)
{
var addOperations = new List <BoardOperation>();
var removedCoordinate = new List <Coordinate>();
var boardStatus = this.currentStatus;
for (int p = 0; p < pieces.Length; p++)
{
var piece = pieces[p];
for (int i = 0; i <= boardStatus.Length - piece.M; i++)
{
for (int j = 0; j <= boardStatus[i].Length - piece.N; j++)
{
var matching = true;
var candyColor = boardStatus[i][j].Color;
for (int pi = 0; pi < piece.M && matching; pi++)
{
for (int pj = 0; pj < piece.N && matching; pj++)
{
var currentCoordinate = new Coordinate()
{
X = i + pi, Y = j + pj
};
if (boardStatus[i + pi][j + pj].Color != candyColor || removedCoordinate.Contains(currentCoordinate))
{
matching = false;
}
}
}
if (matching)
{
var resultOperation = new BoardOperation();
resultOperation.Type = OperationTypes.Remove;
for (int pi = 0; pi < piece.M; pi++)
{
for (int pj = 0; pj < piece.N; pj++)
{
this.CreateRemoveCandyOperation(removedCoordinate, boardStatus, piece, i + pi, j + pj, resultOperation);
}
}
resultOperations.Add(resultOperation);
if (piece.AddCandy != null)
{
var addOperation = new BoardOperation();
addOperation.Type = OperationTypes.Add;
addOperation.AddCandyOperation(new CandyOperation
{
PreviousPosition = new Coordinate {
X = i, Y = j
},
CurrentPosition = new Coordinate {
X = i, Y = j
},
CandyProperties = new Candy
{
Type = piece.AddCandy.Value,
Color = candyColor
}
});
addOperations.Add(addOperation);
}
}
}
}
}
resultOperations.AddRange(addOperations);
return(resultOperations.Any());
}