New attack function for single character in characters.h, need implementation (example in shade.h)

src/game.cc

@@ -0,0 +1,76 @@
+#include "game.h"
+
+#include  "races.h"
+
+game::game(const enum race starting_race,
+           const feature enabled_features,
+           input   *new_in,
+           display *new_out,
+           logger  *new_log,
+           RNG     *new_rng):
+        enabled_features{enabled_features},
+        in{new_in}, out{new_out}, log{new_log}, rng{new_rng} {
+        const position nil{0, 0};
+        the_world = false;
+
+        // TODO: add the other races
+        switch (starting_race) {
+        case race::rshade:
+                player = std::make_unique<shade>(rng, nil);
+                break;
+        }
+
+        if (enabled_features & FEATURE_EXTRA_LEVELS)
+                max_level = rng->rand_between(MIN_LEVEL_CNT, MAX_LEVEL_CNT + 1);
+        else
+                max_level = DEFAULT_MAX_LEVEL;
+
+        levels.reserve(max_level);
+        curr_level = 0;
+
+        new_level();
+}
+
+void game::new_level() {
+        if (enabled_features & FEATURE_RAND_MAP)
+                levels.push_back(std::make_unique<level>(player.get(),
+                                 rng, enabled_features));
+        else
+                levels.push_back(std::make_unique<level>(default_map, player.get(),
+                                 rng, enabled_features));
+}
+
+game_status game::run() {
+        auto res = player_moves(in->get_command());
+
+        switch (res) {
+        case result::died:
+                return game_status::dead;
+
+        case result::go_down: {
+                if (curr_level == max_level - 1)
+                        return game_status::won;
+
+                player->discard_level_effects();
+                ++curr_level;
+                new_level();
+                break;
+        }
+
+        case result::go_up: {
+                if (curr_level == 0)
+                        return game_status::escaped;
+
+                --curr_level;
+                player->set_position(levels[curr_level]->get_down_stairs());
+                break;
+        }
+
+        default:
+                break;
+        }
+
+
+
+        return game_status::in_game;
+}