void clip_rect(sf::RenderTarget& where, rectangle rect) {
rect &= rectangle(where); // Make sure we don't draw out of bounds
// TODO: Make sure this works for the scissor test...
setActiveRenderTarget(where);
rectangle winRect(where);
location pivot = rect.bottomLeft();
pivot = where.mapCoordsToPixel(pivot);
glEnable(GL_SCISSOR_TEST);
glScissor(pivot.x, rectangle(where).height() - pivot.y, rect.width(), rect.height());
}
