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/*
* The Mana Client
* Copyright (C) 2010-2012 The Mana Developers
*
* This file is part of The Mana 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/>.
*/
#pragma once
#include "sprite.h"
#include <vector>
class CompoundSprite
{
public:
CompoundSprite() = default;
~CompoundSprite();
bool reset();
bool play(const std::string &action);
bool update(int time);
bool draw(Graphics *graphics, int posX, int posY) const;
/**
* Gets the width in pixels of the first sprite in the list.
*/
int getWidth() const { doRedraw(); return mWidth; }
/**
* Gets the height in pixels of the first sprite in the list.
*/
int getHeight() const { doRedraw(); return mHeight; }
float getAlpha() const { return mAlpha; }
void setAlpha(float alpha) { mAlpha = alpha; }
bool setDirection(SpriteDirection direction);
int getNumberOfLayers() const;
int getMaxDuration() const;
size_t size() const { return mSprites.size(); }
void add(Sprite *sprite);
void set(int layer, Sprite *sprite);
void clear();
void ensureSize(size_t layerCount);
void doRedraw() const;
private:
void redraw() const;
mutable Image *mImage = nullptr;
mutable Image *mAlphaImage = nullptr;
mutable int mWidth = 0, mHeight = 0;
mutable int mOffsetX = 0, mOffsetY = 0;
mutable bool mNeedsRedraw = false;
float mAlpha = 1.0f;
std::vector<Sprite*> mSprites;
};
inline void CompoundSprite::doRedraw() const
{
if (mNeedsRedraw)
redraw();
}
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