// Get a list of colors that the selected node can take
public List <CubeColor> GetAvailableColors()
{
if (SelectedNode == null || SelectedNode.Value != CubeColor.None)
{
return(new List <CubeColor>());
}
switch (State)
{
case SetupState.CP:
if (SelectedNode.Left.Value == CubeColor.Yellow)
{
List <CubeColor> colors = new List <CubeColor>();
foreach (var color in _leftCorners)
{
colors.Add(color);
}
return(colors);
}
else
{
List <CubeColor> colors = new List <CubeColor>();
foreach (var color in _leftCorners)
{
colors.Add(RecognitionTools.GetRelativeColor(color, ColorCompare.Left));
}
return(colors);
}
case SetupState.EP:
List <CubeColor> edgeColors = new List <CubeColor>();
foreach (var color in _edgeColors)
{
edgeColors.Add(color);
}
return(edgeColors);
default:
return(new List <CubeColor>());
}
}
// during permutation phase, user uses keyboard to choose the color of the selected sticker
public void KeyPress(KeyPressEventArgs e)
{
if (SelectedNode == null)
{
return;
}
Action action = new Action();
switch (State)
{
case SetupState.CP:
List <CubeColor> available = GetAvailableColors();
CubeColor color = GetCubeColorFromChar(e.KeyChar);
// if selected color can be placed on the cubbe, place it
if (color != CubeColor.None && available.Contains(color))
{
SelectedNode.Value = color;
action.Pieces.Add(SelectedNode);
if (SelectedNode.Left.Value == CubeColor.Yellow)
{
SelectedNode.Right.Value = RecognitionTools.GetRelativeColor(color, ColorCompare.Left);
action.Pieces.Add(SelectedNode.Right);
_leftCorners.Remove(color);
}
else
{
SelectedNode.Left.Value = RecognitionTools.GetRelativeColor(color, ColorCompare.Right);
action.Pieces.Add(SelectedNode.Left);
_leftCorners.Remove(RecognitionTools.GetRelativeColor(color, ColorCompare.Right));
}
SelectedNode = null;
}
// if 3 corners have been colored, the other can be colored automatically, then corner permutation is complete
if (_corners.Count(corner => corner.Head.Value == CubeColor.None || corner.Head.Left.Value == CubeColor.None) == 1)
{
var list = _corners.First(corner => corner.Head.Value == CubeColor.None || corner.Head.Left.Value == CubeColor.None);
// find yellow sticker
var node = GetYellowNode(list);
node.Right.Value = _leftCorners[0];
action.Pieces.Add(node.Right);
node.Left.Value = RecognitionTools.GetRelativeColor(_leftCorners[0], ColorCompare.Left);
action.Pieces.Add(node.Left);
_leftCorners.Clear();
State = SetupState.EP;
}
if (action.Pieces.Count > 0)
{
_actions.Push(action);
}
return;
case SetupState.EP:
List <CubeColor> availableEdges = GetAvailableColors();
CubeColor edgeColor = GetCubeColorFromChar(e.KeyChar);
if (edgeColor != CubeColor.None && availableEdges.Contains(edgeColor))
{
SelectedNode.Value = edgeColor;
action.Pieces.Add(SelectedNode);
_edgeColors.Remove(edgeColor);
}
// if 2 edges are colored, the other 2 can be determined because there must be an even number of piece swaps on the cube
if (_edges.Count(edge => edge.Head.Value == CubeColor.None || edge.Head.Right.Value == CubeColor.None) == 2)
{
bool cornerParity = IsParity(RecognitionTools.CompareColors(GetYellowNode(ULFList).Right.Value, CubeColor.Red),
RecognitionTools.CompareColors(GetYellowNode(URFList).Right.Value, CubeColor.Green),
RecognitionTools.CompareColors(GetYellowNode(URBList).Right.Value, CubeColor.Orange));
var uncoloredEdges = _edges.Where(edge => edge.Head.Value == CubeColor.None || edge.Head.Right.Value == CubeColor.None).ToArray();
GetYellowNode(uncoloredEdges[0]).Right.Value = _edgeColors[0];
GetYellowNode(uncoloredEdges[1]).Right.Value = _edgeColors[1];
bool edgeParity = IsParity(RecognitionTools.CompareColors(GetYellowNode(UFList).Right.Value, CubeColor.Red),
RecognitionTools.CompareColors(GetYellowNode(URList).Right.Value, CubeColor.Green),
RecognitionTools.CompareColors(GetYellowNode(UBList).Right.Value, CubeColor.Orange));
if (cornerParity != edgeParity)
{
GetYellowNode(uncoloredEdges[0]).Right.Value = _edgeColors[1];
GetYellowNode(uncoloredEdges[1]).Right.Value = _edgeColors[0];
}
action.Pieces.Add(GetYellowNode(uncoloredEdges[0]).Right);
action.Pieces.Add(GetYellowNode(uncoloredEdges[1]).Right);
_edgeColors.Clear();
State = SetupState.Compeleted;
}
if (action.Pieces.Count > 0)
{
_actions.Push(action);
}
return;
default:
return;
}
}
