// Given an increment of movement defined by an xStep and a yStep,
// returns the list of GridLocations that exist in that direction,
// up to the edge of an 8x8 board.
public IList <IGridLocation> LocationsInDirection(sbyte xStep, sbyte yStep)
{
IList <IGridLocation> destinations = new List <IGridLocation>();
IGridLocation currentLocation = new GridLocation(XCoord, YCoord);
currentLocation = currentLocation.RelativeLocation(xStep, yStep);
while (currentLocation.OnBoard())
{
// Add this square to the list of destinations and go on to the next one.
destinations.Add(currentLocation);
currentLocation = currentLocation.RelativeLocation(xStep, yStep);
}
// If blocked by the edge, return the list of squares we reached
return(destinations);
}
// Given the coordinates of a square, returns the PieceType associated with that square at initital setup.
public ISquare CreateSquare(GridLocation location)
{
byte i = location.XCoord;
byte j = location.YCoord;
if (j > 1 && j < 6)
{
return(new Square(location));
}
if (j == 1)
{
return(new Square(location, PieceType.Pawn, PieceColour.Black));
}
if (j == 6)
{
return(new Square(location, PieceType.Pawn, PieceColour.White));
}
PieceColour colour = j > 3 ? PieceColour.White : PieceColour.Black;
switch (i)
{
case 0:
case 7:
return(new Square(location, PieceType.Rook, colour));
case 1:
case 6:
return(new Square(location, PieceType.Knight, colour));
case 2:
case 5:
return(new Square(location, PieceType.Bishop, colour));
case 3:
return(new Square(location, PieceType.Queen, colour));
case 4:
return(new Square(location, PieceType.King, colour));
default:
return(new Square(location, PieceType.None, colour));
}
}
public PieceBox(GridLocation location) : base()
{
DoubleBuffered = true;
GridLocation = location;
}