bool CZScene::Display()
{
	HRESULT result;

	VERTEX *vertices = NULL;

	// we keep running through the list until it's empty
	while (!m_buffer.empty())
	{

		// set the texture to be used for this pass
		m_texture = m_buffer.begin()->sprite->texture;

		// lock the buffer
		m_vertex_buffer->Lock (0, m_max_batch * sizeof(VERTEX),
                             (void **) &vertices, 0);

		// begin batching
		m_iterator = m_buffer.begin();
		while (m_iterator != m_buffer.end())
		{

			// make sure we don't go out of bounds of our buffer
			if (m_batch_size < m_max_batch)
			{
			// check if display object uses the same texture
			if (m_iterator->sprite->texture == m_texture)
			{
				// setup vertices 
				vertices[m_batch_size].colour = D3DCOLOR_ARGB(m_iterator->alpha,255,255,255);
				vertices[m_batch_size].pos    = D3DXVECTOR3(m_iterator->x, m_iterator->y, 0);
				vertices[m_batch_size].normal = D3DXVECTOR3(0,0,1);
				vertices[m_batch_size].u = m_iterator->sprite->tx1;
				vertices[m_batch_size].v = m_iterator->sprite->ty1;

				vertices[m_batch_size + 1].colour = D3DCOLOR_ARGB(m_iterator->alpha,255,255,255);
				vertices[m_batch_size + 1].pos    = D3DXVECTOR3(m_iterator->x + m_iterator->sprite->width, m_iterator->y, 0);
				vertices[m_batch_size + 1].normal = D3DXVECTOR3(0,0,1);
				vertices[m_batch_size + 1].u = m_iterator->sprite->tx2;
				vertices[m_batch_size + 1].v = m_iterator->sprite->ty1;

				vertices[m_batch_size + 2].colour = D3DCOLOR_ARGB(m_iterator->alpha,255,255,255);
				vertices[m_batch_size + 2].pos    = D3DXVECTOR3(m_iterator->x + m_iterator->sprite->width, m_iterator->y + m_iterator->sprite->height, 0);
				vertices[m_batch_size + 2].normal = D3DXVECTOR3(0,0,1);
				vertices[m_batch_size + 2].u = m_iterator->sprite->tx2;
				vertices[m_batch_size + 2].v = m_iterator->sprite->ty2;

				vertices[m_batch_size + 3].colour = D3DCOLOR_ARGB(m_iterator->alpha,255,255,255);
				vertices[m_batch_size + 3].pos    = D3DXVECTOR3(m_iterator->x, m_iterator->y + m_iterator->sprite->height, 0);
				vertices[m_batch_size + 3].normal = D3DXVECTOR3(0,0,1);
				vertices[m_batch_size + 3].u = m_iterator->sprite->tx1;
				vertices[m_batch_size + 3].v = m_iterator->sprite->ty2;

				// increased the amount of vertices that are batched
				m_batch_size += 4;

				// remove the display command
				m_iterator = m_buffer.erase(m_iterator);
			}
			else m_iterator++;
			}
			else m_iterator++;
		}

		// unlock the buffer
		m_vertex_buffer->Unlock();

		// set the texture to be used
		(*m_d3ddev)->SetTexture(0, m_texture->texture);
		
		// set stream source
		(*m_d3ddev)->SetStreamSource(0, m_vertex_buffer,

                (*m_d3ddev)->SetIndices(m_index_buffer);
												 0, sizeof(VERTEX));

		// draw what ever has been batched
		(*m_d3ddev)->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0,
                                      m_batch_size, 0, m_batch_size / 2); 
		if (result != D3D_OK)
			m_CError.Write("Error :: DrawIndexPrimitive()",true);

		m_CError.Write(m_batch_size,true);
		// reset batch size for next batch process
		m_batch_size = 0;
	}

	(*m_d3ddev)->Present(NULL, NULL, NULL, NULL);

	return true;
}