@@ -5,6 +5,7 @@ A simple C++11 command line maze generator.

 Features:

 -   Printing

+-   Callback during generation

 -   Algorithms

     -   Hunt And Kill

         -   Handles mazes of any size

@@ -1,6 +1,8 @@

+#include <chrono>

 #include <cstdlib>

 #include <ctime>

 #include <iostream>

+#include <thread>

 #include <vector>

 struct Maze

@@ -43,7 +45,8 @@ struct Maze

     std::vector<Cell> cells;

 };

-Maze hunt_and_kill(int w, int h, unsigned seed)

+template<typename C = void(*)(Maze &)>

+Maze hunt_and_kill(int w, int h, unsigned seed, C callback = [](Maze &){})

 {

     auto maze = Maze(w, h, Maze::WALL);

     std::srand(seed);

@@ -55,6 +58,8 @@ Maze hunt_and_kill(int w, int h, unsigned seed)

     auto done = false;

     while (!done)

     {

+        // Call callback.

+        callback(maze);

         // Find number of neighbors.

         auto n = 0;

         for (auto ny = -2; ny <= 2; ny += 2)

@@ -100,7 +105,11 @@ Maze hunt_and_kill(int w, int h, unsigned seed)

 int main()

 {

+    using namespace std::chrono;

     auto seed = (unsigned)std::time(nullptr);

-    auto maze = hunt_and_kill(80/2, 24-1, seed);

+    auto maze = hunt_and_kill(80/2, 24-1, seed, [](Maze & maze) {

+        maze.print();

+        std::this_thread::sleep_for(milliseconds(20));

+    });

     maze.print();

 }