/// <summary>
/// add a solution to a maze.
/// </summary>
/// <param name="name">the name of the maze</param>
/// <param name="searcher">the searcher algo</param>
private void AddSolution(string name, int searcher)
{
// the solution.
Solution <State <Position> > solution = new Solution <State <Position> >();
int nodesEv = 0;
ISearchable <Position> srMaze = new MazeSearchable(singleMazes[name]);
// bfs algo.
if (searcher == 0)
{
ISearcher <Position> bfs = new Bfs <Position>();
solution = bfs.Search(srMaze);
nodesEv = bfs.GetNumberOfNodesEvaluated();
}
// dfs algo.
else
{
ISearcher <Position> dfs = new Dfs <Position>();
solution = dfs.Search(srMaze);
nodesEv = dfs.GetNumberOfNodesEvaluated();
}
string strSol = " ";
// backtrace the maze solution.
for (int i = solution.SolLst.Count - 1; i > 0; i--)
{
// went down.
if (solution.SolLst[i].StateType.Row > solution.SolLst[i - 1].StateType.Row)
{
strSol += "2";
}
// went up.
else if (solution.SolLst[i].StateType.Row < solution.SolLst[i - 1].StateType.Row)
{
strSol += "3";
}
// went left.
else if (solution.SolLst[i].StateType.Col > solution.SolLst[i - 1].StateType.Col)
{
strSol += "0";
}
// went right.
else if (solution.SolLst[i].StateType.Col < solution.SolLst[i - 1].StateType.Col)
{
strSol += "1";
}
}
// the solution in json.
JObject sol = new JObject
{
{ "Name", name },
{ "Solution", strSol },
{ "NodesEvaluated", nodesEv }
};
string Jsol = JsonConvert.SerializeObject(sol);
JsonConvert.DeserializeObject(Jsol);
// add the solutin.
solvedMazes.Add(name, Jsol);
}
/// <summary>
/// compares between a bfs and dfs searchers on a maze.
/// </summary>
public static void CompareSolvers()
{
IMazeGenerator gen = new DFSMazeGenerator();
// get a random maze size 50X50.
Maze maze = gen.Generate(50, 50);
/// print the maze.
Console.Write(maze);
// make the maze searchable.
ISearchable <Position> myMaze = new MazeSearchable(maze);
// bfs solution.
ISearcher <Position> bfs = new Bfs <Position>();
bfs.Search(myMaze);
// dfs solution.
ISearcher <Position> dfs = new Dfs <Position>();
dfs.Search(myMaze);
// write number of nodes evaluated in each search.
Console.WriteLine(bfs.GetNumberOfNodesEvaluated());
Console.WriteLine(dfs.GetNumberOfNodesEvaluated());
Console.ReadKey();
}