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/*************************************************************************
* Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension Library is free software; you can redistribute it and/ *
* or modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension Library is distributed in the hope that it will be *
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
// dmnsn_scene* wrapper.
#ifndef DIMENSIONXX_SCENE_HPP
#define DIMENSIONXX_SCENE_HPP
namespace Dimension
{
// Iterator class for scene objects - never invalidated unless removed
class Scene_Iterator;
// Base scene class. Wraps a dmnsn_scene*.
class Scene
{
public:
typedef Scene_Iterator Iterator;
// Allocate a dmnsn_scene*
Scene(const Color& background, Camera& camera, Canvas& canvas);
// Scene(const Scene& scene);
// Delete the scene
~Scene();
// Element access
Color background() const;
Camera& camera();
const Camera& camera() const;
Canvas& canvas();
const Canvas& canvas() const;
// Object access
Iterator begin();
Iterator end();
void push_object(Object& object);
void remove_object(Iterator i);
// Access the wrapped C object.
dmnsn_scene* dmnsn();
const dmnsn_scene* dmnsn() const;
private:
// Copy-assignment prohibited
Scene& operator=(const Scene&);
std::tr1::shared_ptr<dmnsn_scene*> m_scene;
std::tr1::shared_ptr<Camera> m_camera;
std::tr1::shared_ptr<Canvas> m_canvas;
std::list<std::tr1::shared_ptr<Object> > m_objects;
};
class Scene_Iterator
{
typedef std::list<std::tr1::shared_ptr<Object> >::iterator Iterator;
public:
Scene_Iterator(Iterator i)
: m_i(i) { }
// Scene_Iterator(const Scene_Iterator& i);
// ~Scene_Iterator();
// Scene_Iterator& operator=(const Scene_Iterator& i);
Object& operator*() const { return **m_i; }
Object* operator->() const { return &**m_i; }
bool operator==(Scene_Iterator i) const { return m_i == i.m_i; }
bool operator!=(Scene_Iterator i) const { return m_i != i.m_i; }
Scene_Iterator& operator++() { ++m_i; return *this; }
Scene_Iterator operator++(int) { return Scene_Iterator(m_i++); }
Scene_Iterator& operator--() { --m_i; return *this; }
Scene_Iterator operator--(int) { return Scene_Iterator(m_i--); }
Iterator iterator() const { return m_i; }
private:
Iterator m_i;
};
}
#endif /* DIMENSIONXX_SCENE_HPP */
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