/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated January 1, 2020. Replaces all prior versions.
 *
 * Copyright (c) 2013-2020, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software
 * or otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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 *****************************************************************************/

#ifndef Spine_TransformConstraintTimeline_h
#define Spine_TransformConstraintTimeline_h

#include <spine/CurveTimeline.h>

namespace spine {

class SP_API TransformConstraintTimeline : public CurveTimeline {
    friend class SkeletonBinary;
    friend class SkeletonJson;

    RTTI_DECL

public:
    static const int ENTRIES;

    explicit TransformConstraintTimeline(int frameCount);

    virtual void apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixBlend blend, MixDirection direction);

    virtual int getPropertyId();

    void setFrame(size_t frameIndex, float time, float rotateMix, float translateMix, float scaleMix, float shearMix);

private:
    static const int PREV_TIME;
    static const int PREV_ROTATE;
    static const int PREV_TRANSLATE;
    static const int PREV_SCALE;
    static const int PREV_SHEAR;
    static const int ROTATE;
    static const int TRANSLATE;
    static const int SCALE;
    static const int SHEAR;

    Vector<float> _frames;
    int _transformConstraintIndex;
};
} // namespace spine

#endif /* Spine_TransformConstraintTimeline_h */