From 43d8434bbc47a94f1505374398698b199a34fa08 Mon Sep 17 00:00:00 2001
From: Olivier Gayot <og@satcom1.com>
Date: Thu, 12 Jan 2017 18:01:01 +0100
Subject: first commit

Signed-off-by: Olivier Gayot <og@satcom1.com>
---
 cube.h | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 cube.h

(limited to 'cube.h')

diff --git a/cube.h b/cube.h
new file mode 100644
index 0000000..690fe86
--- /dev/null
+++ b/cube.h
@@ -0,0 +1,129 @@
+#pragma once
+
+#include <sstream>
+#include <memory>
+#include <unordered_map>
+
+enum class color {
+    none,
+
+    white,
+    yellow,
+    orange,
+    red,
+    blue,
+    green,
+};
+
+std::string to_string(color c);
+
+class abstract_cube;
+
+class abstract_face {
+public:
+    abstract_face(const abstract_cube &);
+
+    virtual std::string to_string() const = 0;
+
+private:
+    const abstract_cube &_parent_cube;
+};
+
+class cube1;
+
+class face1 final: public abstract_face {
+public:
+    face1(const cube1 &parent, color);
+
+    std::string to_string() const;
+
+private:
+    const color _color;
+};
+
+class cube3;
+
+class face3 final: public abstract_face {
+public:
+    face3(const cube3 &parent);
+
+    std::string to_string() const;
+
+private:
+    std::array<std::shared_ptr<face1>, 9> _faces;
+};
+
+class abstract_cube {
+public:
+    void flip_right();
+    void flip_left();
+    void flip_up();
+    void flip_down();
+
+    /* Return a new face. */
+    const std::shared_ptr<abstract_face> front() const;
+    const std::shared_ptr<abstract_face> back() const;
+    const std::shared_ptr<abstract_face> left() const;
+    const std::shared_ptr<abstract_face> right() const;
+    const std::shared_ptr<abstract_face> up() const;
+    const std::shared_ptr<abstract_face> down() const;
+
+    std::string to_string() const;
+
+protected:
+    abstract_cube() = default;
+
+    std::array<std::shared_ptr<abstract_face>, 6> _faces;
+};
+
+class cube1 final: public abstract_cube {
+};
+
+class cube3 final: public abstract_cube {
+public:
+    cube3(color, color, color, color, color, color);
+
+    cube3(const cube3 &) = default;
+    cube3(cube3 &&) = default;
+
+    /* Front face 90 deg clockwise. */
+    void f();
+    /* Front face 90 deg counter-clockwise. */
+    void F();
+
+    /* Back face 90 deg clockwise. */
+    void b();
+    /* Back face 90 deg counter-clockwise. */
+    void B();
+
+    /* Left face 90 deg clockwise. */
+    void l();
+    /* Left face 90 deg counter-clockwise. */
+    void L();
+
+    /* Right face 90 deg clockwise. */
+    void r();
+    /* Right face 90 deg counter-clockwise. */
+    void R();
+
+    /* Up face 90 deg clockwise. */
+    void u();
+    /* Up face 90 deg counter-clockwise. */
+    void U();
+
+    /* Down face 90 deg clockwise. */
+    void d();
+    /* Down face 90 deg counter-clockwise. */
+    void D();
+
+    /*
+     *     +---+---+---+
+     *     | 0 | 1 | 2 |
+     *     +---+---+---+
+     *     | 3 | 4 | 5 |
+     *     +---+---+---+
+     *     | 6 | 7 | 8 |
+     *     +---+---+---+
+     */
+};
+
-- 
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