float point exception, waiting for debugging

src/main.cc

@@ -0,0 +1,47 @@
+#include <iostream>
+#include <cstdlib>
+#include <memory>
+#include <string>
+#include <stdio.h>
+#include <time.h>
+#include "map.h"
+#include "races.h"
+#include "display.h"
+#include "rng.h"
+
+using namespace std;
+
+RNG rng;//{(unsigned int)time(0)};
+
+int main() {
+        display display;
+        unique_ptr<game_map> mmap(new game_map{default_map, 0});
+        unique_ptr<class shade>
+                player(new shade{mmap->get_available_positions()});
+
+        for (char ch = ' '; ch != 'q'; ch = getchar()) {
+                display.clear();
+                mmap->print(display);
+                display.print_position(player->get_position(), '@');
+
+                auto available_positions = mmap->get_available_positions();
+
+                switch (ch) {
+                case 'j':
+                        player->move(direction::south, available_positions);
+                        break;
+
+                case 'k':
+                        player->move(direction::north, available_positions);
+                        break;
+
+                case 'h':
+                        player->move(direction::west, available_positions);
+                        break;
+
+                case 'l':
+                        player->move(direction::east, available_positions);
+                        break;
+                }
+        }
+}