/// <summary>
/// Returns the next flag after a layer rotation
/// </summary>
/// <param name="rotationLayer">Rotation layer</param>
/// <param name="direction">Rotation direction</param>
/// <returns>Next cube flag</returns>
public static CubeFlag NextCubeFlag(CubeFlag flag, CubeFlag rotationLayer, bool direction = true)
{
CubeFlag nextFlag = CubeFlag.None;
if (CountFlags(flag) == 1)
{
if (CubeFlagService.IsXFlag(rotationLayer))
{
if (rotationLayer == CubeFlag.LeftSlice)
{
direction = !direction;
}
if (!direction && !IsXFlag(flag))
{
flag = CubeFlagService.GetOppositeFlag(flag);
}
switch (flag)
{
case CubeFlag.FrontSlice: nextFlag = CubeFlag.TopLayer; break;
case CubeFlag.MiddleSlice: nextFlag = CubeFlag.MiddleLayer; break;
case CubeFlag.BackSlice: nextFlag = CubeFlag.BottomLayer; break;
case CubeFlag.TopLayer: nextFlag = CubeFlag.BackSlice; break;
case CubeFlag.MiddleLayer: nextFlag = CubeFlag.MiddleSlice; break;
case CubeFlag.BottomLayer: nextFlag = CubeFlag.FrontSlice; break;
default: nextFlag = flag; break;
}
}
else if (CubeFlagService.IsYFlag(rotationLayer))
{
if (rotationLayer == CubeFlag.BottomLayer)
{
direction = !direction;
}
if (!direction && !IsYFlag(flag))
{
flag = CubeFlagService.GetOppositeFlag(flag);
}
switch (flag)
{
case CubeFlag.FrontSlice: nextFlag = CubeFlag.LeftSlice; break;
case CubeFlag.MiddleSlice: nextFlag = CubeFlag.MiddleSliceSides; break;
case CubeFlag.BackSlice: nextFlag = CubeFlag.RightSlice; break;
case CubeFlag.LeftSlice: nextFlag = CubeFlag.BackSlice; break;
case CubeFlag.MiddleSliceSides: nextFlag = CubeFlag.MiddleSlice; break;
case CubeFlag.RightSlice: nextFlag = CubeFlag.FrontSlice; break;
default: nextFlag = flag; break;
}
}
else if (CubeFlagService.IsZFlag(rotationLayer))
{
if (rotationLayer == CubeFlag.BackSlice)
{
direction = !direction;
}
if (!direction && !IsZFlag(flag))
{
flag = CubeFlagService.GetOppositeFlag(flag);
}
switch (flag)
{
case CubeFlag.TopLayer: nextFlag = CubeFlag.RightSlice; break;
case CubeFlag.MiddleLayer: nextFlag = CubeFlag.MiddleSliceSides; break;
case CubeFlag.BottomLayer: nextFlag = CubeFlag.LeftSlice; break;
case CubeFlag.LeftSlice: nextFlag = CubeFlag.TopLayer; break;
case CubeFlag.MiddleSliceSides: nextFlag = CubeFlag.MiddleLayer; break;
case CubeFlag.RightSlice: nextFlag = CubeFlag.BottomLayer; break;
default: nextFlag = flag; break;
}
}
}
return(CubeFlagService.ExceptFlag(nextFlag, CubeFlag.None));
}
