/* * The ManaPlus Client * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011 The ManaPlus Developers * * This file is part of The ManaPlus Client. * * 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 2 of the License, or * 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/>. */ #ifndef RESOURCES_AMBIENTOVERLAY_H #define RESOURCES_AMBIENTOVERLAY_H class Graphics; class Image; class AmbientLayer { public: /** * Constructor. * * @param img the image this overlay displays * @param parallax scroll factor based on camera position * @param speedX scrolling speed in x-direction * @param speedY scrolling speed in y-direction * @param keepRatio rescale the image to keep * the same ratio than in 800x600 resolution mode. */ AmbientLayer(Image *img, float parallax, float speedX, float speedY, bool keepRatio = false); ~AmbientLayer(); void update(int timePassed, float dx, float dy); void draw(Graphics *graphics, int x, int y); private: Image *mImage; float mParallax; float mPosX; /**< Current layer X position. */ float mPosY; /**< Current layer Y position. */ float mSpeedX; /**< Scrolling speed in X direction. */ float mSpeedY; /**< Scrolling speed in Y direction. */ bool mKeepRatio; /**< Keep overlay ratio on every resolution */ }; #endif