#include "ImageScene.h"

#include "deps.h"

#include "GLUtil.h"
#include "MeshFactory.h"

namespace charcoal
{
	namespace builtin
	{
		namespace image
		{
			void Scene::init()
			{
				for (auto iter = m_batches.begin(); iter != m_batches.end(); ++iter)
				{
					Batch& batch = *iter;
					batch.init();
					add_prerenderable(&batch);
				}
			}

			void Scene::use()
			{
				// TODO: move to glutil
				glEnable(GL_DEPTH_TEST);
				glDepthFunc(GL_LESS);
			}

			void Scene::unuse()
			{

			}

			void Scene::render()
			{
				glutil::clear_screen();
				m_shader_program.use();
				glutil::uniform_matrix(0, get_camera()->get_world_to_view_matrix());
				glutil::uniform_int(4, 0); // The textured batch uses GL_TEXTURE0
				for (auto iter = m_batches.begin(); iter != m_batches.end(); ++iter)
				{
					iter->render();
				}
			}
		}
	}
}