/// <summary>
/// Retrieves a step-by-step solution from the solver for solving a puzzle.
/// </summary>
/// <param name="slvr"></param>
private void OutputPuzzleSteps(SliderSolver slvr)
{
foreach (var move in slvr.GetAnswerMoves())
richTextBoxOutput.AppendText(move + Environment.NewLine);
}
/// <summary>
/// Starts a given search type.
/// </summary>
/// <param name="lbl">The label output will be written to.</param>
/// <param name="type">The search type to perform.</param>
private void StartSearch(Label lbl, SearchType type)
{
var puzzle = CreatePuzzleFromInput();
if (puzzle == null) return;
solver = new SliderSolver(puzzle);
solver.SolvePuzzle(type);
if (solver.Result == null) lbl.Text = "No Result";
UpdateLabelWithPuzzleResults(solver, lbl);
if (type == SearchType.AStar)
OutputPuzzleSteps(solver);
}
/// <summary>
/// Updates a given label control text with either an error message or the results from a given solver.
/// </summary>
/// <param name="slvr"></param>
/// <param name="lbl"></param>
private void UpdateLabelWithPuzzleResults(SliderSolver slvr, Label lbl)
{
if (slvr.Result == null)
{
lbl.Text = "Error!";
return;
}
lbl.Text = "Starting: " + slvr.CurrentPuzzle.StartingNode.StateS
+ "\nSolution: " + slvr.Result.StateS
+ "\nDepth: " + $"{slvr.Result.Depth:n0}"
+ "\nNodes Expanded: " + $"{slvr.NodesExpanded:n0}"
+ "\nTime: " + $"{slvr.TimeSeconds:n4}";
}
