bool Scene::run() {
Graphics* ptr_graphics = Graphics::instance();
Audio* ptr_audio = Audio::instance();
TextureCache* ptr_texture_cache = TextureCache::instance();
InputManager* ptr_inputManager = new InputManager();
m_frame_timer.start(m_millis_per_frame);
on_setup();
setup_sprites();
on_begin();
while (!m_scene_is_ended) {
ptr_inputManager->update();
on_check_input(ptr_inputManager);
if (!m_is_paused) {
handle_messages();
on_detect_collisions();
on_update();
update_sprites();
ptr_graphics->begin_render();
on_render(ptr_graphics);
ptr_graphics->end_render();
}
while (!m_frame_timer.has_elapsed());
}
cleanup_sprites();
on_cleanup();
return !m_game_is_ended;
}
GLEWContext* context::glew_context()
{
if(!m_glew_context)
{
on_begin();
m_glew_context.reset(new GLEWContext());
g_current_glew() = m_glew_context.get();
GLenum err = glewInit(); // needs to be called after context creation
if (GLEW_OK != err)
{
k3d::log() << error << "GLEW init failed: " << glewGetErrorString(err) << std::endl;
m_glew_context.reset();
}
on_end();
assert(m_glew_context);
}
return m_glew_context.get();
}
void context::begin()
{
g_current() = this;
g_current_glew() = glew_context();
on_begin();
}