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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/>. *
*************************************************************************/
#include "dimensionxx.hpp"
namespace Dimension
{
// Allocate a dmnsn_scene
Scene::Scene(const Color& background, Camera& camera, Canvas& canvas)
: m_scene(new dmnsn_scene*(dmnsn_new_scene())), m_camera(camera.copy()),
m_canvas(new Canvas(canvas))
{
if (!dmnsn()) {
throw Dimension_Error("Couldn't allocate scene.");
}
dmnsn()->background = background.dmnsn();
dmnsn()->camera = this->camera().dmnsn();
dmnsn()->canvas = this->canvas().dmnsn();
}
// Delete the scene
Scene::~Scene()
{
if (m_scene.unique()) {
dmnsn_delete_scene(dmnsn());
}
}
// Element access
Color
Scene::background() const
{
return Color(dmnsn()->background);
}
Camera&
Scene::camera()
{
return *m_camera;
}
const Camera&
Scene::camera() const
{
return *m_camera;
}
Canvas&
Scene::canvas()
{
return *m_canvas;
}
const Canvas&
Scene::canvas() const
{
return *m_canvas;
}
// An iterator to the beginning of the object list
Scene::Iterator
Scene::begin()
{
return Iterator(m_objects.begin());
}
// An iterator one past the end of the object list
Scene::Iterator
Scene::end()
{
return Iterator(m_objects.end());
}
// Add an object
void
Scene::push_object(Object& object)
{
m_objects.push_back(std::tr1::shared_ptr<Object>(object.copy()));
dmnsn_object* cobject = object.dmnsn();
dmnsn_array_push(dmnsn()->objects, &cobject);
}
// Remove an object
void
Scene::remove_object(Iterator i)
{
// Find it in the dmnsn_array* of objects and remove it
for (unsigned int j = 0; j < dmnsn_array_size(dmnsn()->objects); ++j) {
dmnsn_object* cobject;
dmnsn_array_get(dmnsn()->objects, j, &cobject);
if (cobject == i->dmnsn()) {
dmnsn_array_remove(dmnsn()->objects, j);
break;
}
}
// Remove it from the std::list
m_objects.erase(i.iterator());
}
// Access the wrapped C object.
dmnsn_scene*
Scene::dmnsn()
{
return *m_scene;
}
const dmnsn_scene*
Scene::dmnsn() const
{
return *m_scene;
}
}
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