8 files changed, 77 insertions, 18 deletions
diff --git a/src/engine/data/bounds.cpp b/src/engine/data/bounds.cpp
index fdf8c6b..1a8c4d0 100644
--- a/src/engine/data/bounds.cpp
+++ b/src/engine/data/bounds.cpp
@@ -50,26 +50,36 @@ CoordsValidation Bounds::validate_coords(const Vector2 &coords) const noexcept
 	return CoordsValidation::VALID;
 }
 
-const Bounds &Bounds::operator*=(const Bounds &bounds) noexcept
+const Bounds &Bounds::operator*=(const Bounds &rhs) noexcept
 {
-	_width *= bounds._width;
-	_height *= bounds._height;
+	_width *= rhs._width;
+	_height *= rhs._height;
 
 	return *this;
 }
 
-const Bounds &Bounds::operator+=(const Bounds &bounds) noexcept
+const Bounds &Bounds::operator+=(const Bounds &rhs) noexcept
 {
-	_width += bounds._width;
-	_height += bounds._height;
+	_width += rhs._width;
+	_height += rhs._height;
 
 	return *this;
 }
 
-const Bounds &Bounds::operator-=(const Bounds &bounds) noexcept
+const Bounds &Bounds::operator-=(const Bounds &rhs) noexcept
 {
-	_width -= bounds._width;
-	_height -= bounds._height;
+	_width -= rhs._width;
+	_height -= rhs._height;
 
 	return *this;
 }
+
+Bounds Bounds::operator-(const Bounds &rhs) const noexcept
+{
+	auto new_bounds = Bounds(*this);
+
+	new_bounds._width -= rhs._width;
+	new_bounds._height -= rhs._height;
+
+	return new_bounds;
+}
diff --git a/src/engine/data/bounds.hpp b/src/engine/data/bounds.hpp
index 4a29158..ccea2c3 100644
--- a/src/engine/data/bounds.hpp
+++ b/src/engine/data/bounds.hpp
@@ -36,9 +36,11 @@ public:
 
 	[[nodiscard]] CoordsValidation validate_coords(const Vector2 &coords) const noexcept;
 
-	const Bounds &operator*=(const Bounds &bounds) noexcept;
-	const Bounds &operator+=(const Bounds &bounds) noexcept;
-	const Bounds &operator-=(const Bounds &bounds) noexcept;
+	const Bounds &operator*=(const Bounds &rhs) noexcept;
+	const Bounds &operator+=(const Bounds &rhs) noexcept;
+	const Bounds &operator-=(const Bounds &rhs) noexcept;
+
+	Bounds operator-(const Bounds &rhs) const noexcept;
 
 private:
 	Value _width = 0U;
diff --git a/src/engine/data/vector2.cpp b/src/engine/data/vector2.cpp
index dba745f..ba155b5 100644
--- a/src/engine/data/vector2.cpp
+++ b/src/engine/data/vector2.cpp
@@ -54,6 +54,16 @@ Vector2 Vector2::operator+(const Vector2 &vector2) const noexcept
 	return new_vector2;
 }
 
+Vector2 Vector2::operator-(const Vector2 &vector2) const noexcept
+{
+	auto new_vector2 = Vector2(*this);
+
+	new_vector2._x -= vector2._x;
+	new_vector2._y -= vector2._y;
+
+	return new_vector2;
+}
+
 Vector2 Vector2::operator*(const Vector2 &vector2) const noexcept
 {
 	auto new_vector2 = Vector2(*this);
diff --git a/src/engine/data/vector2.hpp b/src/engine/data/vector2.hpp
index 868394a..60cecf3 100644
--- a/src/engine/data/vector2.hpp
+++ b/src/engine/data/vector2.hpp
@@ -37,6 +37,7 @@ public:
 	const Vector2 &operator-=(const Vector2 &vector2) noexcept;
 
 	Vector2 operator+(const Vector2 &vector2) const noexcept;
+	Vector2 operator-(const Vector2 &vector2) const noexcept;
 	Vector2 operator*(const Vector2 &vector2) const noexcept;
 
 	bool operator==(const Vector2 &vector2) const noexcept;
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 2fc94fe..afa5924 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -2,11 +2,10 @@
 
 #include "input_actions.hpp"
 #include "strings.hpp"
-
 #include "util/function.hpp"
 
-#include <cstdlib>
 #include <fmt/core.h>
+#include <iostream>
 #include <utility>
 
 CLIGameEngine::CLIGameEngine(IGameFactory game_factory, ISceneFactory scene_factory,
@@ -41,14 +40,40 @@ void CLIGameEngine::start() noexcept
 									fmt::arg("y", center_position.get_y())));
 
 	std::atexit(normalize_lambda(
-		[scene, this]()
+		[this, scene]()
 		{
 			scene->leave();
 			_input_handler->leave_raw_mode();
+
+			for (auto row : *scene->get_matrix())
+			{
+				for (auto &col : row)
+				{
+					fmt::print("{}", col);
+				}
+
+				fmt::print("\n");
+			}
+
+			std::cout.flush();
 		}));
 
 	const std::unordered_map<char, Callback> input_config = {
 		{'q', InputActions::exit_success},
+		{'i',
+		 [this, scene]()
+		 {
+			 const auto position = _cursor_controller->where();
+
+			 std::cout.put('x');
+			 std::cout.flush();
+
+			 _cursor_controller->move_to(position);
+
+			 auto matrix = scene->get_matrix();
+
+			 matrix->set(position - Vector2({.x = 0U, .y = 1U}), "#");
+		 }},
 		{'k',
 		 InputActions::move_cursor(Vector2::up(), _cursor_controller, scene, _window)},
 		{'j',
diff --git a/src/engine/graphics/scene.cpp b/src/engine/graphics/scene.cpp
index 660e3ca..476b966 100644
--- a/src/engine/graphics/scene.cpp
+++ b/src/engine/graphics/scene.cpp
@@ -12,10 +12,11 @@ Scene::Scene(IMatrixFactory<std::string_view> matrix_factory,
 			 std::shared_ptr<ICursorController> cursor_controller,
 			 std::shared_ptr<IWindow> window) noexcept
 	: _is_shown(false),
-	  _matrix_factory(matrix_factory),
+	  _matrix(matrix_factory(window->size() - Bounds({.width = 0U, .height = 1U}))),
 	  _cursor_controller(std::move(cursor_controller)),
 	  _window(std::move(window))
 {
+	_matrix->fill(" ");
 }
 
 void Scene::enter() noexcept
@@ -62,3 +63,8 @@ void Scene::write_status(const std::string_view &str) noexcept
 
 	_cursor_controller->move_to(previous_position);
 }
+
+const std::shared_ptr<IMatrix<std::string_view>> &Scene::get_matrix() const noexcept
+{
+	return _matrix;
+}
diff --git a/src/engine/graphics/scene.hpp b/src/engine/graphics/scene.hpp
index 22a96a4..1f1c51c 100644
--- a/src/engine/graphics/scene.hpp
+++ b/src/engine/graphics/scene.hpp
@@ -29,11 +29,13 @@ public:
 
 	void write_status(const std::string_view &str) noexcept override;
 
+	[[nodiscard]] const std::shared_ptr<IMatrix<std::string_view>> &
+	get_matrix() const noexcept override;
+
 private:
 	bool _is_shown;
 
-	IMatrixFactory<std::string_view> _matrix_factory;
-
+	std::shared_ptr<IMatrix<std::string_view>> _matrix;
 	std::shared_ptr<ICursorController> _cursor_controller;
 	std::shared_ptr<IWindow> _window;
 };
diff --git a/src/interfaces/scene.hpp b/src/interfaces/scene.hpp
index 47df5fa..0443d41 100644
--- a/src/interfaces/scene.hpp
+++ b/src/interfaces/scene.hpp
@@ -16,6 +16,9 @@ public:
 	virtual void leave() noexcept = 0;
 
 	virtual void write_status(const std::string_view &str) noexcept = 0;
+
+	[[nodiscard]] virtual const std::shared_ptr<IMatrix<std::string_view>> &
+	get_matrix() const noexcept = 0;
 };
 
 using ISceneFactory = std::shared_ptr<IScene> (*)(