/*
 *   This file is part of Universal-Core
 *   Copyright (C) 2021 Universal-Team
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
 *       * Requiring preservation of specified reasonable legal notices or
 *         author attributions in that material or in the Appropriate Legal
 *         Notices displayed by works containing it.
 *       * Prohibiting misrepresentation of the origin of that material,
 *         or requiring that modified versions of such material be marked in
 *         reasonable ways as different from the original version.
 */

#include "screen.hpp"

std::stack<std::unique_ptr<Screen>> Screen::screens;

void Screen::doDraw() {
	if(!Screen::screens.empty())
		Screen::screens.top()->Draw();
}

void Screen::doLogic(u32 hDown, u32 hHeld, touchPosition touch) {
	if(!Screen::screens.empty())
		Screen::screens.top()->Logic(hDown, hHeld, touch);
}

void Screen::set(std::unique_ptr<Screen> screen) { Screen::screens.push(std::move(screen)); }

void Screen::back() {
	if(Screen::screens.size() > 0)
		Screen::screens.pop();
}