private static bool IsDirectionPreserved(IAsciiMap map, IAsciiField field, PathDirection direction)
{
var nextField = map.GetFieldInDirection(direction, field);
return(nextField != null &&
IsPassableCharacter(nextField.Character));
}
private static bool IsDirectionValid(IAsciiMap map, IAsciiField field, PathDirection direction)
{
var nextField = map.GetFieldInDirection(direction, field);
return(nextField != null &&
!nextField.AlreadyVisited &&
IsPassableCharacter(nextField.Character));
}
public static void FindPath(IAsciiMap map, IAsciiField currentField, PathDirection currentDirection)
{
map.AddPathCharacter(currentField);
var directionToMoveNext = ScanArea(map, currentField, currentDirection);
IAsciiField nextField = map.GetFieldInDirection(directionToMoveNext, currentField);
if (IsAsciiEndCharacter(nextField.Character))
{
map.AddPathCharacter(nextField);
}
else
{
FindPath(map, nextField, directionToMoveNext);
}
}
