Refactored the maze functions to be a builder that can do different things to the maze. Also when I hit p in the game it'll save the map to a file. This was extremely hard for no reason.

gui/map_view.cpp

@@ -10,6 +10,7 @@
 #include <codecvt>
 #include <iostream>
 #include <fmt/xchar.h>
+#include <fstream>
 
 namespace gui {
   using namespace components;
@@ -58,6 +59,19 @@ namespace gui {
     // $gui.debug_layout(window);
   }
 
+  void MapViewUI::save_map(const std::string& outfile, int compass_dir) {
+    std::wstring map_out = System::draw_map(
+        $level, $level.map->width(), $level.map->height(), compass_dir);
+    dbc::check(map_out.size() > 0, "WHAT? printed map has nothing in it.");
+
+    std::wofstream out(outfile, std::ios::binary);
+    std::locale loc(std::locale::classic(), new std::codecvt_utf8<wchar_t>);
+    out.imbue(loc);
+
+    out << map_out;
+    dbc::check(out.good(), "failed to write map file");
+  }
+
   void MapViewUI::update() {
     if($gui.has<Textual>($log_to)) {
       auto& text = $gui.get<Textual>($log_to);