private void SetSides(Puzzle[,] result, PuzzleDirection firstDirection, PuzzleDirection secondDirection)
{
int i = 0;
int j = 0;
int firstN = firstDirection == PuzzleDirection.Right ? 0 : result.GetLength(1) - 1;
int secondN = secondDirection == PuzzleDirection.Bottom ? 0 : result.GetLength(0) - 1;
while (j != _n - 2 || i != _n - 2)
{
var flatItems = _puzzles.Where(x => !x.IsUsed &&
(x.Type == PuzzleType.SideFlatHorizontal ||
x.Type == PuzzleType.SideFlatVertical)).ToList();
foreach (var item in flatItems.Where(x => x.Direction == firstDirection))
{
if (FitsWith(result[i, firstN], item, PuzzleDirection.Bottom))
{
result[++i, firstN] = item;
result[i, firstN].IsUsed = true;
}
}
foreach (var item in flatItems.Where(x => x.Direction == secondDirection))
{
if (FitsWith(result[secondN, j], item, PuzzleDirection.Right))
{
result[secondN, ++j] = item;
result[secondN, j].IsUsed = true;
}
}
}
}
public Puzzle(PuzzleType type, PuzzleDirection direction)
{
Type = type;
Direction = direction;
}
public bool FitsWith(Puzzle first, Puzzle second, PuzzleDirection secondRelativeToFirstDirection)
{
if (first == null || second == null)
{
throw new ArgumentNullException();
}
if (first.Type == PuzzleType.Corner)
{
if (first.Direction == PuzzleDirection.Bottom)
{
if (second.Type == PuzzleType.SideFlatHorizontal &&
second.Direction == PuzzleDirection.Bottom &&
secondRelativeToFirstDirection == PuzzleDirection.Right)
{
return(true);
}
if (second.Type == PuzzleType.SideFlatVertical &&
second.Direction == PuzzleDirection.Right &&
secondRelativeToFirstDirection == PuzzleDirection.Bottom)
{
return(true);
}
}
if (first.Direction == PuzzleDirection.Left)
{
if (second.Type == PuzzleType.SideFlatHorizontal &&
second.Direction == PuzzleDirection.Left &&
secondRelativeToFirstDirection == PuzzleDirection.Bottom)
{
return(true);
}
if (second.Type == PuzzleType.SideFlatVertical &&
second.Direction == PuzzleDirection.Bottom &&
secondRelativeToFirstDirection == PuzzleDirection.Left)
{
return(true);
}
}
if (first.Direction == PuzzleDirection.Top)
{
if (second.Type == PuzzleType.SideFlatHorizontal &&
second.Direction == PuzzleDirection.Top &&
secondRelativeToFirstDirection == PuzzleDirection.Left)
{
return(true);
}
if (second.Type == PuzzleType.SideFlatVertical &&
second.Direction == PuzzleDirection.Left &&
secondRelativeToFirstDirection == PuzzleDirection.Top)
{
return(true);
}
}
if (first.Direction == PuzzleDirection.Right)
{
if (second.Type == PuzzleType.SideFlatHorizontal &&
second.Direction == PuzzleDirection.Right &&
secondRelativeToFirstDirection == PuzzleDirection.Top)
{
return(true);
}
if (second.Type == PuzzleType.SideFlatVertical &&
second.Direction == PuzzleDirection.Top &&
secondRelativeToFirstDirection == PuzzleDirection.Right)
{
return(true);
}
}
}
if ((first.Type == PuzzleType.SideFlatVertical && second.Type == PuzzleType.SideFlatHorizontal) ||
(first.Type == PuzzleType.SideFlatHorizontal && second.Type == PuzzleType.SideFlatVertical))
{
if (secondRelativeToFirstDirection == PuzzleDirection.Bottom ||
secondRelativeToFirstDirection == PuzzleDirection.Top)
{
if (first.Direction == PuzzleDirection.Right &&
second.Direction == PuzzleDirection.Right)
{
return(true);
}
if (first.Direction == PuzzleDirection.Left &&
second.Direction == PuzzleDirection.Left)
{
return(true);
}
}
else
{
if (first.Direction == PuzzleDirection.Bottom &&
second.Direction == PuzzleDirection.Bottom)
{
return(true);
}
if (first.Direction == PuzzleDirection.Top &&
second.Direction == PuzzleDirection.Top)
{
return(true);
}
}
}
if (second.Type == PuzzleType.Normal)
{
if (first.Type == PuzzleType.SideFlatVertical)
{
if (first.Direction == PuzzleDirection.Right &&
second.Direction == PuzzleDirection.Top &&
secondRelativeToFirstDirection == PuzzleDirection.Right)
{
return(true);
}
if (first.Direction == PuzzleDirection.Left &&
second.Direction == PuzzleDirection.Top &&
secondRelativeToFirstDirection == PuzzleDirection.Left)
{
return(true);
}
if (first.Direction == PuzzleDirection.Bottom &&
second.Direction == PuzzleDirection.Right &&
secondRelativeToFirstDirection == PuzzleDirection.Bottom)
{
return(true);
}
if (first.Direction == PuzzleDirection.Top &&
second.Direction == PuzzleDirection.Right &&
secondRelativeToFirstDirection == PuzzleDirection.Top)
{
return(true);
}
}
if (first.Type == PuzzleType.SideFlatHorizontal)
{
if (first.Direction == PuzzleDirection.Bottom &&
second.Direction == PuzzleDirection.Top &&
secondRelativeToFirstDirection == PuzzleDirection.Bottom)
{
return(true);
}
if (first.Direction == PuzzleDirection.Top &&
second.Direction == PuzzleDirection.Top &&
secondRelativeToFirstDirection == PuzzleDirection.Top)
{
return(true);
}
if (first.Direction == PuzzleDirection.Left &&
second.Direction == PuzzleDirection.Right &&
secondRelativeToFirstDirection == PuzzleDirection.Left)
{
return(true);
}
if (first.Direction == PuzzleDirection.Right &&
second.Direction == PuzzleDirection.Right &&
secondRelativeToFirstDirection == PuzzleDirection.Right)
{
return(true);
}
}
if (first.Type == PuzzleType.Normal && second.Type == PuzzleType.Normal)
{
if (secondRelativeToFirstDirection == PuzzleDirection.Top)
{
if (second.Direction == PuzzleDirection.Right &&
first.Direction == PuzzleDirection.Top)
{
return(true);
}
if (second.Direction == PuzzleDirection.Top &&
first.Direction == PuzzleDirection.Right)
{
return(true);
}
}
if (secondRelativeToFirstDirection == PuzzleDirection.Right)
{
if (second.Direction == PuzzleDirection.Right &&
first.Direction == PuzzleDirection.Top)
{
return(true);
}
if (second.Direction == PuzzleDirection.Top &&
first.Direction == PuzzleDirection.Right)
{
return(true);
}
}
}
}
return(false);
}