public PuzzleState Clone()
{
var valueLookup = new Dictionary <byte, PuzzleSpace>(16);
var newBoard = new byte[4, 4];
for (byte i = 0; i < 4; i++)
{
for (byte j = 0; j < 4; j++)
{
var num = Board[i, j];
newBoard[i, j] = num;
valueLookup[num] = new PuzzleSpace(i, j);
}
}
return(new PuzzleState(newBoard, valueLookup));
}
public PuzzleState Clone()
{
Dictionary <int, PuzzleSpace> valueLookup = new Dictionary <int, PuzzleSpace>(16);
int[,] newBoard = new int[4, 4];
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
int num = Board[i, j];
newBoard[i, j] = num;
valueLookup[num] = new PuzzleSpace(i, j);
}
}
return(new PuzzleState(newBoard, valueLookup));
}
public PuzzleState Right()
{
PuzzleSpace oldVoidLocation = GetSpace(0);
if (oldVoidLocation.Col == 3)
{
return(null);
}
PuzzleState newState = Clone();
PuzzleSpace newVoidLocation = new PuzzleSpace(oldVoidLocation.Row, oldVoidLocation.Col + 1);
int valToBeSwapped = newState.Board[newVoidLocation.Row, newVoidLocation.Col];
newState.Board[newVoidLocation.Row, newVoidLocation.Col] = 0;
newState.Board[oldVoidLocation.Row, oldVoidLocation.Col] = valToBeSwapped;
newState._valueLookup[0] = newVoidLocation;
newState._valueLookup[valToBeSwapped] = oldVoidLocation;
return(newState);
}
public PuzzleState(string stateAsString)
{
// example stateAsString:
// ((1 5 3 7) (4 9 2 11) (8 13 10 14) (12 15 0 6) (3 2))
Board = new byte[4,4];
var parts = stateAsString.Split(new []{") ("}, StringSplitOptions.None);
for (byte i = 0; i < 4; i++)
{
var part = parts[i].TrimStart(new[] { '(', ' ' }).TrimEnd(new[] { ')', ' ' });
var nums = part.Split(' ');
for (byte j = 0; j < 4; j++)
{
var num = byte.Parse(nums[j]);
Board[i, j] = num;
_valueLookup[num] = new PuzzleSpace(i, j);
}
}
}
public PuzzleState(string stateAsString)
{
// example stateAsString:
// ((1 5 3 7) (4 9 2 11) (8 13 10 14) (12 15 0 6) (3 2))
Board = new byte[4, 4];
var parts = stateAsString.Split(new [] { ") (" }, StringSplitOptions.None);
for (byte i = 0; i < 4; i++)
{
var part = parts[i].TrimStart(new[] { '(', ' ' }).TrimEnd(new[] { ')', ' ' });
var nums = part.Split(' ');
for (byte j = 0; j < 4; j++)
{
var num = byte.Parse(nums[j]);
Board[i, j] = num;
_valueLookup[num] = new PuzzleSpace(i, j);
}
}
}
public PuzzleState(string stateAsString)
{
// example stateAsString:
// ((1 5 3 7) (4 9 2 11) (8 13 10 14) (12 15 0 6) (3 2))
Board = new int[4, 4];
_valueLookup = new Dictionary <int, PuzzleSpace>();
string[] parts = stateAsString.Split(new[] { ") (" }, StringSplitOptions.None);
for (int i = 0; i < 4; i++)
{
string part = parts[i].TrimStart(new[] { '(', ' ' }).TrimEnd(new[] { ')', ' ' });
string[] nums = part.Split();
for (int j = 0; j < 4; j++)
{
int num = int.Parse(nums[j]);
Board[i, j] = num;
_valueLookup[num] = new PuzzleSpace(i, j);
}
}
}
public PuzzleState Clone()
{
var valueLookup = new Dictionary<byte, PuzzleSpace>(16);
var newBoard = new byte[4, 4];
for (byte i = 0; i < 4; i++)
{
for (byte j = 0; j < 4; j++)
{
var num = Board[i, j];
newBoard[i, j] = num;
valueLookup[num] = new PuzzleSpace(i, j);
}
}
return new PuzzleState(newBoard, valueLookup);
}
