finished the bulk of game

src/input/console_input.cc

@@ -0,0 +1,46 @@
+#include "console_input.h"
+
+#include <utility>
+#include <string>
+#include "../constants.h"
+
+console_input::console_input(std::istream &cin):
+        in{cin} {}
+
+game_command console_input::get_command() {
+        std::string cmd;
+        in >> cmd;
+        game_command tmp;
+
+        if (in.eof())
+                return game_command_terminate;
+
+        if (cmd == "q")
+                return game_command_terminate;
+        else if (cmd == "f")
+                return the_world;
+        else if (cmd == "r")
+                return game_restart;
+        else if (cmd == "u" || cmd == "a") {
+                bool use = cmd == "u";
+
+                in >> cmd;
+
+                if (in.eof())
+                        return game_command_panic;
+
+                return (game_command)((tmp = get_direction(cmd)) ==
+                                      game_command_panic
+                                      ? tmp : tmp - move_north +
+                                      (use ? apply_north : attack_north));
+        } else if (cmd == "yes") {
+                return game_command::enter;
+        } else {
+                auto tmp = get_direction(cmd);
+
+                if (tmp != game_command_panic)
+                        return tmp;
+        }
+
+        return game_command_pass;
+}