/// <summary>
/// Builds the yellow cross for OLL.
/// </summary>
private void BuildYellowCross()
{
foreach (RubiksColor col in SideColors)
{
// Sets the view.
ChangeView(new CubeView(col, FINAL_COLOR));
// Gets the configuration.
LastLayerConfiguration config = new LastLayerConfiguration(_cube.GetFaceCubies(Face.Up));
// Uses the correct algorithm if any match is found.
if (config.Matches(OllCases.YellowCenter))
{
// If the configuration matches the yellow center case, another algorithm will be needed.
AddMoveList(Algorithms.OLLCross1);
BuildYellowCross();
}
else if (config.Matches(OllCases.YellowL))
{
AddMoveList(Algorithms.OLLCross2);
}
else if (config.Matches(OllCases.YellowLine))
{
AddMoveList(Algorithms.OLLCross1);
}
}
}
/// <summary>
/// Executes the OLL phase.
/// </summary>
private void OLL()
{
// The first thing to do is to build a yellow cross.
BuildYellowCross();
// Gets the configuration of the last layer.
LastLayerConfiguration conf = new LastLayerConfiguration(_cube.GetFaceCubies(Face.Up));
// Keeps on changing the view until OLL is complete.
for (int c = 0; !conf.Matches(OllCases.OLLComplete); c++)
{
// Sets the view.
ChangeView(new CubeView(SideColors[c], FINAL_COLOR));
// Gets the configuration before the algorithms.
conf = new LastLayerConfiguration(_cube.GetFaceCubies(Face.Up));
// If the configuration matches any of the situations, the proper algorithm will be used.
if (conf.Matches(OllCases.OLLSituation1))
{
AddMoveList(Algorithms.OLLSituation1);
}
else if (conf.Matches(OllCases.OLLSituation2))
{
AddMoveList(Algorithms.OLLSituation2);
}
else if (conf.Matches(OllCases.OLLSituation3))
{
AddMoveList(Algorithms.OLLSituation3);
}
else if (conf.Matches(OllCases.OLLSituation4))
{
AddMoveList(Algorithms.OLLSituation4);
}
else if (conf.Matches(OllCases.OLLSituation5))
{
AddMoveList(Algorithms.OLLSituation5);
}
else if (conf.Matches(OllCases.OLLSituation6))
{
AddMoveList(Algorithms.OLLSituation6);
}
else if (conf.Matches(OllCases.OLLSituation7))
{
AddMoveList(Algorithms.OLLSituation7);
}
// Gets the configuration after the algorithms.
conf = new LastLayerConfiguration(_cube.GetFaceCubies(Face.Up));
}
}
/// <summary>
/// Checks if this configuration matches another one.
/// </summary>
/// <param name="conf">The other configuration.</param>
/// <returns>True if the two configurations match.</returns>
public bool Matches(LastLayerConfiguration conf)
{
for (int x = 0; x < _face.GetLength(0); x++)
{
for (int y = 0; y < _face.GetLength(1); y++)
{
if (this[x, y] == RubiksColor.NonYellow || conf[x, y] == RubiksColor.NonYellow)
{
if (this[x, y] == RubiksColor.Yellow || conf[x, y] == RubiksColor.Yellow)
{
return(false);
}
}
else if (this[x, y] != RubiksColor.Any && conf[x, y] != RubiksColor.Any && this[x, y] != conf[x, y])
{
return(false);
}
}
}
return(true);
}