/* ----------------------------------------------------------------- */
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/*  Copyright (c) 2009-2011  Nagoya Institute of Technology          */
/*                           Department of Computer Science          */
/*                2010-2013  hkrn                                    */
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#include "vpvl2/vpvl2.h"
#include "vpvl2/internal/util.h"

#include "vpvl2/vmd/BaseAnimation.h"

namespace vpvl2
{
namespace vmd
{

BaseAnimation::BaseAnimation()
    : m_lastTimeIndex(0),
      m_maxTimeIndex(0),
      m_currentTimeIndex(0),
      m_previousTimeIndex(0)
{
}

BaseAnimation::~BaseAnimation()
{
    m_keyframes.releaseAll();
    m_lastTimeIndex = 0;
    m_maxTimeIndex = 0.0f;
    m_currentTimeIndex = 0.0f;
    m_previousTimeIndex = 0.0f;
}

void BaseAnimation::advance(const IKeyframe::TimeIndex &deltaTimeIndex)
{
    seek(m_currentTimeIndex);
    m_currentTimeIndex += deltaTimeIndex;
}

void BaseAnimation::rewind(const IKeyframe::TimeIndex &target, const IKeyframe::TimeIndex &deltaTimeIndex)
{
    m_currentTimeIndex = m_previousTimeIndex + deltaTimeIndex - m_maxTimeIndex + target;
    m_previousTimeIndex = target;
}

void BaseAnimation::reset()
{
    m_currentTimeIndex = 0.0f;
    m_previousTimeIndex = 0.0f;
}

void BaseAnimation::addKeyframe(IKeyframe *keyframe)
{
    m_keyframes.append(keyframe);
}

void BaseAnimation::deleteKeyframe(IKeyframe *&keyframe)
{
    m_keyframes.remove(keyframe);
    delete keyframe;
    keyframe = 0;
}

void BaseAnimation::getKeyframes(const IKeyframe::TimeIndex &timeIndex, Array<IKeyframe *> &keyframes)
{
    const int nkeyframes = m_keyframes.count();
    for (int i = 0; i < nkeyframes; i++) {
        IKeyframe *keyframe = m_keyframes[i];
        if (keyframe->timeIndex() == timeIndex)
            keyframes.append(keyframe);
    }
}

}
}
