public OSticker this[OSticker index]
{
get
{
return this[index.Sticker()].Oriented(index);
}
}
public static Turn[] GetLeadIn(OSticker otype, bool even, out bool isComplete)
{
isComplete = false;
switch (otype)
{
case OSticker.DF: return new Turn[] { Turn.D_, Turn.L, Turn.L };
case OSticker.FD: return new Turn[] { Turn.M, Turn.D, Turn.L, Turn.L };
throw new InvalidOperationException("Cannot create lead in for buffer edge");
case OSticker.UL: return new Turn[] { Turn.L, Turn.U_, Turn.L_, Turn.U };
case OSticker.LU: return new Turn[] { Turn.B, Turn.L_, Turn.B_ };
case OSticker.FL: return new Turn[] { Turn.U_, Turn.L_, Turn.U };
case OSticker.LF: return new Turn[] { Turn.B, Turn.L, Turn.L, Turn.B_ };
case OSticker.DL: return new Turn[] { Turn.U_, Turn.L, Turn.L, Turn.U };
case OSticker.LD: return new Turn[] { Turn.B, Turn.L, Turn.B_ };
case OSticker.BL: return new Turn[] { Turn.U_, Turn.L, Turn.U };
case OSticker.LB: return new Turn[] { Turn.L_, Turn.B, Turn.L, Turn.B_ };
case OSticker.UR: return new Turn[] { Turn.R_, Turn.U, Turn.R, Turn.U_ };
case OSticker.RU: return new Turn[] { Turn.B_, Turn.R, Turn.B };
case OSticker.FR: return new Turn[] { Turn.U, Turn.R, Turn.U_ };
case OSticker.RF: return new Turn[] { Turn.B_, Turn.R, Turn.R, Turn.B };
case OSticker.DR: return new Turn[] { Turn.U, Turn.R, Turn.R, Turn.U_ };
case OSticker.RD: return new Turn[] { Turn.B_, Turn.R_, Turn.B };
case OSticker.BR: return new Turn[] { Turn.U, Turn.R_, Turn.U_ };
case OSticker.RB: return new Turn[] { Turn.R, Turn.B_, Turn.R_, Turn.B };
case OSticker.UB: return new Turn[] { };
case OSticker.BU:
return new Turn[] { Turn.F_, Turn.D, Turn.R_, Turn.F, Turn.D_ };
case OSticker.UF:
case OSticker.DB:
isComplete = true;
return (otype == OSticker.UF ? even : !even) ?
new Turn[] { Turn.U, Turn.U, Turn.M_, Turn.U, Turn.U, Turn.M_ } :
new Turn[] { Turn.M, Turn.U, Turn.U, Turn.M, Turn.U, Turn.U };
case OSticker.FU:
case OSticker.BD:
isComplete = true;
return (otype == OSticker.FU ? even : !even) ?
new Turn[] { Turn.F, Turn.E, Turn.R, Turn.U, Turn.R_, Turn.E_, Turn.R, Turn.U_, Turn.R_, Turn.F_, Turn.M, Turn.M } :
new Turn[] { Turn.D, Turn.D, Turn.F, Turn.F, Turn.U, Turn.M_, Turn.U_, Turn.F, Turn.F, Turn.D, Turn.D, Turn.U_, Turn.M_, Turn.U };
default:
throw new NotImplementedException(nameof(GetLeadIn));
}
}
private void AddStickerSequence(OSticker osticker)
{
if (osticker.Sticker().IsEdge())
{
var leadIn = ClassicSequences.GetLeadIn(osticker);
this.NumberOfEdgeSteps++;
Add(leadIn);
Add(ClassicSequences.EdgeSequence);
Add(leadIn.Inverse());
}
else
{
var leadIn = ClassicSequences.GetLeadIn(osticker);
this.NumberOfCornerSteps++;
Add(leadIn);
Add(ClassicSequences.CornerSequence);
Add(leadIn.Inverse());
}
}
private void AddStickerSequence(OSticker osticker)
{
if (osticker.Sticker().IsEdge())
{
bool isComplete;
var leadIn = M2Sequences.GetLeadIn(osticker, this.NumberOfEdgeSteps % 2 == 0, out isComplete);
this.NumberOfEdgeSteps++;
Add(leadIn, osticker.Translate());
if (!isComplete)
{
Add(M2Sequences.EdgeSequence);
Add(leadIn.Inverse());
}
}
else
{
var leadIn = ClassicSequences.GetLeadIn(osticker);
this.NumberOfCornerSteps++;
Add(leadIn, osticker.Translate());
Add(ClassicSequences.CornerSequence);
Add(leadIn.Inverse());
}
}
public static Turn[] GetLeadIn(OSticker otype)
{
switch (otype)
{
case OSticker.URB:
case OSticker.RBU:
case OSticker.BUR:
throw new InvalidOperationException("Cannot create lead in for buffer corner");
case OSticker.FUL: return new Turn[] { };
case OSticker.ULF: return new Turn[] { Turn.L, Turn.F };
case OSticker.LFU: return new Turn[] { Turn.F_, Turn.L_ };
case OSticker.FRU: return new Turn[] { Turn.F_ };
case OSticker.RUF: return new Turn[] { Turn.F_, Turn.L, Turn.F };
case OSticker.UFR: return new Turn[] { Turn.F_, Turn.F_, Turn.L_ };
case OSticker.UBL: return new Turn[] { Turn.L };
case OSticker.BLU: return new Turn[] { Turn.L, Turn.L, Turn.F };
case OSticker.LUB: return new Turn[] { Turn.L, Turn.F_, Turn.L_ };
case OSticker.DFL: return new Turn[] { Turn.L_ };
case OSticker.FLD: return new Turn[] { Turn.F };
case OSticker.LDF: return new Turn[] { Turn.L_, Turn.F_, Turn.L_ };
case OSticker.FDR: return new Turn[] { Turn.F, Turn.F };
case OSticker.DRF: return new Turn[] { Turn.F, Turn.F, Turn.L, Turn.F };
case OSticker.RFD: return new Turn[] { Turn.F, Turn.L_ };
case OSticker.BDL: return new Turn[] { Turn.L, Turn.L };
case OSticker.DLB: return new Turn[] { Turn.L_, Turn.F };
case OSticker.LBD: return new Turn[] { Turn.L, Turn.L, Turn.F_, Turn.L_ };
case OSticker.DBR: return new Turn[] { Turn.D, Turn.D, Turn.L_ };
case OSticker.BRD: return new Turn[] { Turn.D, Turn.D, Turn.F };
case OSticker.RDB: return new Turn[] { Turn.D, Turn.D, Turn.L_, Turn.F_, Turn.L_ };
case OSticker.UR:
case OSticker.RU:
throw new InvalidOperationException("Cannot create lead in for buffer edge");
case OSticker.UF: return new Turn[] { Turn.M, Turn.M, Turn.D, Turn.L, Turn.L };
case OSticker.FU: return new Turn[] { Turn.M, Turn.D_, Turn.L, Turn.L };
case OSticker.UL: return new Turn[] { };
case OSticker.LU: return new Turn[] { Turn.L, Turn.E_, Turn.L };
case OSticker.UB: return new Turn[] { Turn.M_, Turn.M_, Turn.D_, Turn.L, Turn.L };
case OSticker.BU: return new Turn[] { Turn.M_, Turn.D, Turn.L, Turn.L };
case OSticker.LF: return new Turn[] { Turn.E_, Turn.L };
case OSticker.FL: return new Turn[] { Turn.L_ };
case OSticker.LB: return new Turn[] { Turn.E, Turn.L_ };
case OSticker.BL: return new Turn[] { Turn.L };
case OSticker.RF: return new Turn[] { Turn.E_, Turn.L_ };
case OSticker.FR: return new Turn[] { Turn.E_, Turn.E_, Turn.L };
case OSticker.RB: return new Turn[] { Turn.E, Turn.L };
case OSticker.BR: return new Turn[] { Turn.E, Turn.E, Turn.L_ };
case OSticker.DF: return new Turn[] { Turn.D_, Turn.L, Turn.L };
case OSticker.FD: return new Turn[] { Turn.M, Turn.D, Turn.L, Turn.L };
case OSticker.DL: return new Turn[] { Turn.L, Turn.L };
case OSticker.LD: return new Turn[] { Turn.L_, Turn.E_, Turn.L };
case OSticker.DR: return new Turn[] { Turn.D, Turn.D, Turn.L, Turn.L };
case OSticker.RD: return new Turn[] { Turn.D, Turn.D, Turn.L_, Turn.E_, Turn.L };
case OSticker.DB: return new Turn[] { Turn.D, Turn.L, Turn.L };
case OSticker.BD: return new Turn[] { Turn.M_, Turn.D_, Turn.L, Turn.L };
default:
throw new NotImplementedException(nameof(GetLeadIn));
}
}
public OSticker Oriented(OSticker location)
{
var result = this.Oriented(location.Sticker());
var a = this.IsCorner ? 3 : 2;
return (OSticker)((a * ((int)result / a)) + (((int)result % a) + ((int)location % a)) % a);
}
