add basic engine graphics

1 files changed, 57 insertions, 0 deletions

diff --git a/src/engine/graphics/scene.cpp b/src/engine/graphics/scene.cpp
new file mode 100644
index 0000000..3f63807
--- /dev/null
+++ b/src/engine/graphics/scene.cpp
@@ -0,0 +1,57 @@
+#include "scene.hpp"
+
+#include <fmt/core.h>
+#include <iostream>
+
+Scene::Scene(IMatrixFactory<std::string_view> matrix_factory)
+	: _is_shown(false), _matrix_factory(std::move(matrix_factory))
+{
+}
+
+void Scene::enter()
+{
+	if (_is_shown)
+	{
+		return;
+	}
+
+	fmt::print(ENABLE_ALT_BUFFER, fmt::arg("esc", ESC));
+	std::cout.flush();
+
+	_is_shown = true;
+}
+
+void Scene::leave()
+{
+	if (!_is_shown)
+	{
+		return;
+	}
+
+	fmt::print(DISABLE_ALT_BUFFER, fmt::arg("esc", ESC));
+	std::cout.flush();
+
+	_is_shown = false;
+}
+
+/*
+void do_in_statusbar(const std::function<void()> &routine)
+{
+	const auto prev_pos = Cursor::where();
+
+	const auto window_size = Window::size();
+
+	Cursor::hide();
+
+	Cursor::move_to(Vector2({1, window_size.height()}));
+
+	std::cout << fmt::format(EscapeSequences::ERASE_LINE, fmt::arg("esc", ESC));
+	std::cout.flush();
+
+	routine();
+
+	Cursor::move_to(prev_pos);
+
+	Cursor::show();
+}
+*/