feat: add incrementing generation

1 files changed, 24 insertions, 4 deletions

diff --git a/src/game/game.cpp b/src/game/game.cpp
index c41364a..de2b4df 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -16,7 +16,8 @@ Game::Game(
 	  _cursor_controller(std::move(cursor_controller)),
 	  _generation_tracker(std::move(generation_tracker)),
 	  _status_manager(std::move(status_manager)),
-	  _user_input_observer(std::move(user_input_observer))
+	  _user_input_observer(std::move(user_input_observer)),
+	  _gen_update_speed_millis(1000)
 {
 }
 
@@ -129,14 +130,33 @@ void Game::on_update() noexcept
 		_status_manager->set_section_body(StatusLineSection::D, onoff ? "yes" : "no");
 	}
 
-	const auto time_since_last_update =
-		std::chrono::system_clock::now() - _last_update_time;
+	const auto time_now = std::chrono::system_clock::now();
+
+	const auto time_since_last_update = time_now - _last_update_time;
 
 	_status_manager->set_section_body(
 		StatusLineSection::F,
 		fmt::format("{} nanoseconds", time_since_last_update.count()));
 
-	_last_update_time = std::chrono::system_clock::now();
+	const auto time_since_last_gen_update =
+		std::chrono::duration_cast<std::chrono::milliseconds>(
+			time_now - _last_gen_update_time);
+
+	if (!_generation_tracker->get_is_paused() &&
+		time_since_last_gen_update.count() > _gen_update_speed_millis)
+	{
+		const auto new_current_gen = _generation_tracker->get_current_generation() + 1U;
+
+		_generation_tracker->set_current_generation(new_current_gen);
+
+		_status_manager->set_section_body(
+			StatusLineSection::E,
+			fmt::format("{}", new_current_gen));
+
+		_last_gen_update_time = time_now;
+	}
+
+	_last_update_time = time_now;
 }
 
 void Game::on_exit() const noexcept