refactor: rename game initializer & move input config

1 files changed, 67 insertions, 0 deletions

diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
new file mode 100644
index 0000000..0227d5c
--- /dev/null
+++ b/src/engine/engine.cpp
@@ -0,0 +1,67 @@
+#include "engine.hpp"
+
+#include "input_actions.hpp"
+
+#include "util/function.hpp"
+
+#include <cstdlib>
+#include <utility>
+
+CLIGameEngine::CLIGameEngine(IGameFactory game_factory, ISceneFactory scene_factory,
+							 std::shared_ptr<IInputHandler> input_handler,
+							 std::shared_ptr<ICursorController> cursor_controller,
+							 std::shared_ptr<IWindow> window) noexcept
+	: _game_factory(game_factory),
+	  _scene_factory(scene_factory),
+	  _input_handler(std::move(input_handler)),
+	  _cursor_controller(std::move(cursor_controller)),
+	  _window(std::move(window))
+{
+}
+
+void CLIGameEngine::start() noexcept
+{
+	auto scene = _scene_factory();
+
+	scene->enter();
+	_input_handler->enter_raw_mode();
+
+	const auto window_size = _window->size();
+
+	const auto center_position =
+		Vector2({.x = static_cast<Vector2::Value>(window_size.get_width()) / 2,
+				 .y = static_cast<Vector2::Value>(window_size.get_height()) / 2});
+
+	_cursor_controller->move_to(center_position);
+
+	std::atexit(normalize_lambda(
+		[scene, this]()
+		{
+			scene->leave();
+			_input_handler->leave_raw_mode();
+		}));
+
+	const std::unordered_map<char, Callback> input_config = {
+		{'q', InputActions::exit_success},
+		{'k', InputActions::move_cursor(Vector2::up(), _cursor_controller, _window)},
+		{'j', InputActions::move_cursor(Vector2::down(), _cursor_controller, _window)},
+		{'h', InputActions::move_cursor(Vector2::left(), _cursor_controller, _window)},
+		{'l', InputActions::move_cursor(Vector2::right(), _cursor_controller, _window)}};
+
+	_configure_input(input_config);
+
+	_input_handler->listen();
+
+	auto game = _game_factory();
+
+	game->run();
+}
+
+void CLIGameEngine::_configure_input(
+	const std::unordered_map<char, Callback> &input_config)
+{
+	for (const auto &config_pair : input_config)
+	{
+		_input_handler->attach(config_pair.first, config_pair.second);
+	}
+}