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/*
* The ManaPlus Client
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2012 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 final
{
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 *const img, const float parallax,
const float speedX, const float speedY,
const bool keepRatio = false);
~AmbientLayer();
void update(const int timePassed, const float dx, const float dy);
void draw(Graphics *const graphics, const int x, const int y) const;
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
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