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);
}
}
private static IAsciiMap LoadAsciiMap(MapSelector mapSelector)
{
IAsciiMap map = null;
try
{
map = MapLoader.LoadAsciiMap(mapSelector);
}
catch (Exception e)
{
log.Error("Error loading ascii map!", e);
Environment.Exit(1);
}
return(map);
}
public static PathDirection ScanArea(IAsciiMap map, IAsciiField currentField, PathDirection currentPathDirection)
{
if (currentPathDirection != PathDirection.Unknown &&
IsDirectionPreserved(map, currentField, currentPathDirection))
{
return(currentPathDirection);
}
foreach (PathDirection direction in Enum.GetValues(typeof(PathDirection)))
{
if (IsDirectionValid(map, currentField, direction))
{
return(direction);
}
}
return(PathDirection.Unknown);
}
