public bool IsDomokunClose(Coordinates domokunLocation, Coordinates nextPotentialLocation)
{
var nextPotentialChamber = Chambers[nextPotentialLocation];
return(domokunLocation.Equals(nextPotentialLocation) ||
nextPotentialChamber.ChamberConnections.Any(direction => nextPotentialLocation.Move(direction).Equals(domokunLocation)));
}
public Direction GetNextMove(IMazeMap mazeMap, MazeState mazeState)
{
Direction returnValue = Direction.None;
Coordinates domokunLocation = new Coordinates(Coordinates.GetXCoordinate(mazeState.DomokunLocation, mazeState.width), Coordinates.GetYCoordinate(mazeState.DomokunLocation, mazeState.width));
Coordinates ponyLocation = new Coordinates(Coordinates.GetXCoordinate(mazeState.PonyLocation, mazeState.width), Coordinates.GetYCoordinate(mazeState.PonyLocation, mazeState.width));
if (mazeMap.CurrentPathToExit == null)
{
mazeMap.FindShortestPathToExit(ponyLocation);
}
Direction nextPotentialMove = mazeMap.CurrentPathToExit.Peek();
var nextPotentialLocation = ponyLocation.Move(nextPotentialMove);
if (mazeMap.IsDomokunClose(domokunLocation, nextPotentialLocation))
{
//see if we can escape
var possibleDodge = Enum.GetValues(typeof(Direction)).Cast <Direction>().AsEnumerable().FirstOrDefault(direction => direction != Direction.None && direction != nextPotentialMove && mazeMap.IsMoveLegal(ponyLocation, direction));
if (possibleDodge != default(Direction))
{
//escape
mazeMap.CurrentPathToExit.Push(possibleDodge.Inverse());
returnValue = possibleDodge;
}
else
{
//accept our fate
returnValue = mazeMap.CurrentPathToExit.Pop();
}
}
else
{
returnValue = mazeMap.CurrentPathToExit.Pop();
}
return(returnValue);
}