private void checkIfGameOver()
{
int sizeOfBlackPossibleMoves = 0;
int sizeOfWhitePossibleMoves = 0;
for (int y = 0; y < this.r_boardSize; y++)
{
for (int x = 0; x < this.r_boardSize; x++)
{
Point p = new Point(x, y);
DamkaPieces.Type t = this.GetPieceByIndex(p);
int count = this.GetLandingOptions(p).Count;
if (DamkaPieces.GetKing(t) != DamkaPieces.Type.BlackKing)
{
sizeOfBlackPossibleMoves += count;
}
else if (DamkaPieces.GetKing(t) != DamkaPieces.Type.WhiteKing)
{
sizeOfWhitePossibleMoves += count;
}
}
}
if (sizeOfBlackPossibleMoves == 0)
{
this.IsGameOver = true;
this.Winner = this.r_player2;
}
else if (sizeOfWhitePossibleMoves == 0)
{
this.IsGameOver = true;
this.Winner = this.r_player1;
}
}
private void switchPieces(Point i_index1, Point i_index2)
{
DamkaPieces.Type atIndex1 = this.GetPieceByIndex(i_index1);
DamkaPieces.Type atIndex2 = this.GetPieceByIndex(i_index2);
this.placePieceAt(i_index1, atIndex2);
this.placePieceAt(i_index2, atIndex1);
}
private void checkIfKingged(Point i_index)
{
DamkaPieces.Type type = this.GetPieceByIndex(i_index);
bool hasReachedOtherSide = this.isSimplePieceOnOtherSide(i_index, type);
if (hasReachedOtherSide)
{
this.placePieceAt(i_index, DamkaPieces.GetKing(type));
}
}
public void SelfReset()
{
DamkaPieces.Type type = s_gameEngine.GetPieceByIndex(this.Index);
this.Enabled = type != DamkaPieces.Type.None;
this.Text = DamkaPieces.GetAdvancedType(type);
this.Type = type;
this.DimButton();
// Enable only current player.
bool isSameType = DamkaPieces.IsSameType(s_gameEngine.GetPieceByIndex(this.Index), s_gameEngine.CurrentPlayer.PlayerType);
this.Enabled = isSameType;
}
private bool isSimplePieceOnOtherSide(Point i_index, DamkaPieces.Type i_type)
{
bool result = false;
if (i_type == DamkaPieces.Type.BlackSimple && i_index.Y == this.r_boardSize - 1)
{
result = true;
}
else if (i_type == DamkaPieces.Type.WhiteSimple && i_index.Y == 0)
{
result = true;
}
return(result);
}
private void checkIfEaten(Point i_index0, Point i_index1)
{
int howManySkipped = 0;
int adder = (i_index1.X - i_index0.X > 0) ? -1 : 1;
int deltaY = i_index0.Y - i_index1.Y;
int deltaX = i_index0.X - i_index1.X;
int m = deltaY / deltaX;
int xLow = (i_index0.X < i_index1.X) ? i_index0.X : i_index1.X;
int xHigh = (xLow == i_index1.X) ? i_index0.X : i_index1.X;
int yOfLow = (xLow == i_index0.X) ? i_index0.Y : i_index1.Y;
for (int x = i_index1.X + adder; x >= xLow && x <= xHigh; x = x + adder)
{
int y = m * (x - xLow) + yOfLow;
DamkaPieces.Type tmp = this.GetPieceByIndex(new Point(x, y));
if (DamkaPieces.IsEnemyType(tmp, this.GetPieceByIndex(i_index1)))
{
if (this.isSkippableIndex(i_index0, i_index1))
{
howManySkipped++;
}
}
}
if (howManySkipped == 1)
{
for (int x = i_index1.X + adder; x >= xLow && x <= xHigh; x = x + adder)
{
int y = m * (x - xLow) + yOfLow;
Point p = new Point(x, y);
DamkaPieces.Type tmp = this.GetPieceByIndex(p);
if (DamkaPieces.IsEnemyType(tmp, this.GetPieceByIndex(i_index1)))
{
if (this.isSkippableIndex(i_index0, i_index1))
{
this.placePieceAt(p, DamkaPieces.Type.None);
}
}
}
}
}
private bool isIndexAbstractedByEnemy(Point i_destination, Point i_origin)
{
int adder = (i_origin.X - i_destination.X > 0) ? -1 : 1;
int deltaY = i_destination.Y - i_origin.Y;
int deltaX = i_destination.X - i_origin.X;
int m = deltaY / deltaX;
int xLow = (i_destination.X < i_origin.X) ? i_destination.X : i_origin.X;
int xHigh = (xLow == i_origin.X) ? i_destination.X : i_origin.X;
int yOfLow = (xLow == i_destination.X) ? i_destination.Y : i_origin.Y;
int distance = 0;
// count how many enemies between the points.
int numberOfEnemiesInRange = 0;
for (int x = i_origin.X + adder; x >= xLow && x <= xHigh; x = x + adder)
{
distance++;
int y = m * (x - xLow) + yOfLow;
DamkaPieces.Type tmp = this.GetPieceByIndex(new Point(x, y));
if (DamkaPieces.IsEnemyType(tmp, this.GetPieceByIndex(i_origin)))
{
numberOfEnemiesInRange++;
}
}
bool isKing = DamkaPieces.isKing(this.GetPieceByIndex(i_origin));
bool result = false;
if (isKing && numberOfEnemiesInRange == 1)
{
result = false;
}
else if (distance == 1 && numberOfEnemiesInRange == 1)
{
result = true;
}
return(result);
}
private bool isIndexAbstractedByOtherPiece(Point i_destination, Point i_origin)
{
int adder = (i_origin.X - i_destination.X > 0) ? -1 : 1;
int deltaY = i_destination.Y - i_origin.Y;
int deltaX = i_destination.X - i_origin.X;
int m = deltaY / deltaX;
int xLow = (i_destination.X < i_origin.X) ? i_destination.X : i_origin.X;
int xHigh = (xLow == i_origin.X) ? i_destination.X : i_origin.X;
int yOfLow = (xLow == i_destination.X) ? i_destination.Y : i_origin.Y;
for (int x = i_origin.X + adder; x >= xLow && x <= xHigh; x += adder)
{
int y = m * (x - xLow) + yOfLow;
DamkaPieces.Type tmp = this.GetPieceByIndex(new Point(x, y));
if (DamkaPieces.IsSameType(tmp, this.GetPieceByIndex(i_origin)))
{
return(true);
}
}
return(false);
}
private void placePieceAt(Point i_index, DamkaPieces.Type i_type)
{
this.Board[i_index.X, i_index.Y] = i_type;
}
public PlayerMove(Point p0, Point p1, DamkaPieces.Type type)
{
this.From = p0;
this.To = p1;
this.Type = type;
}
public Player(string i_playerName, DamkaPieces.Type i_playerType)
{
this.Name = i_playerName;
this.PlayerType = i_playerType;
this.m_movesHistory = new LinkedList <PlayerMove>();
}
