Animation.h

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// Copyright © 2008-2023 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _SCENEGRAPH_ANIMATION_H
#define _SCENEGRAPH_ANIMATION_H
/*
 * A named animation, such as "GearDown".
 * An animation has a number of channels, each of which
 * animate the position/rotation of a single MatrixTransform node
 */
#include "AnimationChannel.h"
 
namespace SceneGraph {
 
    class Loader;
    class BinaryConverter;
    class Node;
 
    class Animation {
    public:
        Animation(const std::string &name, double duration);
        Animation(const Animation &);
        void UpdateChannelTargets(Node *root);
        double GetDuration() const { return m_duration; }
        const std::string &GetName() const { return m_name; }
        double GetProgress();
        void SetProgress(double); //0.0 -- 1.0, overrides m_time
        void Interpolate(); //update transforms according to m_time;
        const std::vector<AnimationChannel> &GetChannels() const { return m_channels; }
 
    private:
        friend class Loader;
        friend class BinaryConverter;
        double m_duration;
        double m_time;
        std::string m_name;
        std::vector<AnimationChannel> m_channels;
    };
 
} // namespace SceneGraph
 
#endif