/// <summary>
/// returns the sides that would be front and left
/// if the cube was rotated so that the corner is the left bottom corner
/// </summary>
/// <param name="corner"></param>
/// <param name="front"></param>
/// <param name="left"></param>
public static void GetFrontLeftFromCorner(RelativeCornerPosition corner, out Sides front, out Sides left)
{
//default
front = Sides.Front;
left = Sides.Left;
if (corner == RelativeCornerPosition.BottomLeft)
{
front = Sides.Front;
left = Sides.Left;
}
if (corner == RelativeCornerPosition.BottomRight)
{
front = Sides.Right;
left = Sides.Front;
}
if (corner == RelativeCornerPosition.TopRight)
{
front = Sides.Back;
left = Sides.Right;
}
if (corner == RelativeCornerPosition.TopLeft)
{
front = Sides.Left;
left = Sides.Back;
}
}
public void Apply(Cube cube, RelativeCornerPosition corner)
{
Sides frontSide, leftSide;
Helper.GetFrontLeftFromCorner(corner, out frontSide, out leftSide);
cube.RotateSideCCW(frontSide);
cube.RotateBottomCCW();
cube.RotateSideCW(frontSide);
}
public double Applicable(Cube cube, RelativeCornerPosition corner)
{
Sides f, l;
Helper.GetFrontLeftFromCorner(corner, out f, out l);
Side front = cube.GetSideFromEnum(f);
Side left = cube.GetSideFromEnum(l);
Side right = left.Opposite;
foreach (var side in new Side[] { front, left, right })
{
if (side.Fields[2, 1] == side.Color)
{
return(0);
}
}
return(1);
}
public double Applicable(Cube cube, RelativeCornerPosition corner)
{
Sides frontSide, leftSide;
Helper.GetFrontLeftFromCorner(corner, out frontSide, out leftSide);
Side front = cube.GetSideFromEnum(frontSide);
Side left = cube.GetSideFromEnum(leftSide);
//if the front bottom left field is of the top color
//and the other fields are either the left color or the front color
if (left.GetCornerField(RelativeCornerPosition.BottomRight) == cube.Top.Color &&
(front.GetCornerField(RelativeCornerPosition.BottomLeft) == left.Color || front.GetCornerField(RelativeCornerPosition.BottomLeft) == front.Color) &&
(cube.Bottom.GetCornerField(Helper.SwapTopBottom(corner)) == left.Color || cube.Bottom.GetCornerField(Helper.SwapTopBottom(corner)) == front.Color))
{
return(1);
}
else
{
return(0);
}
}
/// <summary>
/// swaps top and bottom, leaves the other options as they are
/// </summary>
/// <param name="?"></param>
/// <returns></returns>
public static RelativeCornerPosition SwapTopBottom(RelativeCornerPosition startPosition)
{
if (startPosition == RelativeCornerPosition.TopLeft)
{
return(RelativeCornerPosition.BottomLeft);
}
if (startPosition == RelativeCornerPosition.TopRight)
{
return(RelativeCornerPosition.BottomRight);
}
if (startPosition == RelativeCornerPosition.BottomLeft)
{
return(RelativeCornerPosition.TopLeft);
}
if (startPosition == RelativeCornerPosition.BottomRight)
{
return(RelativeCornerPosition.TopRight);
}
return(startPosition);
}
public Brush GetCornerField(RelativeCornerPosition corner)
{
if (corner == RelativeCornerPosition.BottomLeft)
{
return(fields[2, 0]);
}
if (corner == RelativeCornerPosition.BottomRight)
{
return(fields[2, 2]);
}
if (corner == RelativeCornerPosition.TopLeft)
{
return(fields[0, 0]);
}
if (corner == RelativeCornerPosition.TopRight)
{
return(fields[0, 2]);
}
return(Brushes.Transparent); //default to satisfy compiler
}
public double Applicable(Cube cube, RelativeCornerPosition corner)
{
Sides frontSide, leftSide;
Helper.GetFrontLeftFromCorner(corner, out frontSide, out leftSide);
Side front = cube.GetSideFromEnum(frontSide);
Side left = cube.GetSideFromEnum(leftSide);
//check if the corner piece is incorrectly positioned, but one of the 3 colors is the top color
//moving it down if it is not a top piece is useless
if ((front.GetCornerField(RelativeCornerPosition.TopLeft) != front.Color ||
left.GetCornerField(RelativeCornerPosition.TopRight) != left.Color) &&
(front.GetCornerField(RelativeCornerPosition.TopLeft) == cube.Top.Color ||
left.GetCornerField(RelativeCornerPosition.TopRight) == cube.Top.Color ||
cube.Top.GetCornerField(corner) == cube.Top.Color))
{
return(1);
}
else
{
return(0);
}
}
/// <summary>
/// represents the move to rotate the front 3 edges clockwise
/// </summary>
/// <param name="cube"></param>
public void Apply(Cube cube, RelativeCornerPosition corner)
{
Sides f, l;
Helper.GetFrontLeftFromCorner(corner, out f, out l);
Side front = cube.GetSideFromEnum(f);
//because the cube is rotated around the x-axis, left and right are switched
Side right = cube.GetSideFromEnum(l);
Side left = right.Opposite;
cube.RotateSideCW(front.CubeSide);
cube.RotateSideCW(front.CubeSide);
cube.RotateBottomCW();
cube.RotateSideCW(left.CubeSide);
cube.RotateSideCCW(right.CubeSide);
cube.RotateSideCW(front.CubeSide);
cube.RotateSideCW(front.CubeSide);
cube.RotateSideCCW(left.CubeSide);
cube.RotateSideCW(right.CubeSide);
cube.RotateBottomCW();
cube.RotateSideCW(front.CubeSide);
cube.RotateSideCW(front.CubeSide);
}
