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54 lines
1.0 KiB
C++
54 lines
1.0 KiB
C++
/*
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* CFadeAnimation.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#ifdef IN
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#undef IN
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#endif
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#ifdef OUT
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#undef OUT
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#endif
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VCMI_LIB_NAMESPACE_BEGIN
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class Point;
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VCMI_LIB_NAMESPACE_END
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struct SDL_Surface;
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const float DEFAULT_DELTA = 0.05f;
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class CFadeAnimation
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{
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public:
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enum class EMode
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{
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NONE, IN, OUT
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};
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private:
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float delta;
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SDL_Surface * fadingSurface;
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bool fading;
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float fadingCounter;
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bool shouldFreeSurface;
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float initialCounter() const;
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bool isFinished() const;
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public:
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EMode fadingMode;
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CFadeAnimation();
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~CFadeAnimation();
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void init(EMode mode, SDL_Surface * sourceSurface, bool freeSurfaceAtEnd = false, float animDelta = DEFAULT_DELTA);
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void update();
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void draw(SDL_Surface * targetSurface, const Point & targetPoint);
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bool isFading() const { return fading; }
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};
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