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/*  Copyright (c) 2010-2013  hkrn                                    */
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#include "vpvl2/vpvl2.h"
#include "vpvl2/internal/util.h"

#include "vpvl2/mvd/ProjectKeyframe.h"

namespace vpvl2
{
namespace mvd
{

#pragma pack(push, 1)

struct ProjectKeyframeChunk {
    ProjectKeyframeChunk() {}
    uint64_t timeIndex;
    float gravityFactor;
    float gravityDirection[3];
    int shadowMode;
    float shadowDistance;
    float shadowDepth;
};

#pragma pack(pop)

ProjectKeyframe::ProjectKeyframe(const Motion *motionRef)
    : VPVL2_KEYFRAME_INITIALIZE_FIELDS(),
      m_ptr(0),
      m_motionRef(motionRef),
      m_gravityDirection(kZeroV3),
      m_gravityFactor(0),
      m_shadowDistance(0),
      m_shadowDepth(0),
      m_shadowMode(0)
{
}

ProjectKeyframe::~ProjectKeyframe()
{
    VPVL2_KEYFRAME_DESTROY_FIELDS()
    delete m_ptr;
    m_ptr = 0;
    m_motionRef = 0;
    m_gravityDirection.setZero();
    m_gravityFactor = 0;
    m_shadowDistance = 0;
    m_shadowDepth = 0;
    m_shadowMode = 0;
}

size_t ProjectKeyframe::size()
{
    static const ProjectKeyframeChunk keyframe;
    return sizeof(keyframe);
}

bool ProjectKeyframe::preparse(uint8_t *&ptr, size_t &rest, size_t reserved, Motion::DataInfo & /* info */)
{
    if (!internal::validateSize(ptr, size(), rest)) {
        return false;
    }
    if (!internal::validateSize(ptr, reserved, rest)) {
        return false;
    }
    return true;
}

void ProjectKeyframe::read(const uint8_t *data)
{
    ProjectKeyframeChunk chunk;
    internal::getData(data, chunk);
    setTimeIndex(TimeIndex(chunk.timeIndex));
    setGravityFactor(chunk.gravityFactor);
    Vector3 gravityDirection;
    internal::setPositionRaw(chunk.gravityDirection, gravityDirection);
    setGravityDirection(gravityDirection);
    setShadowMode(chunk.shadowMode);
    setShadowDistance(chunk.shadowDistance);
    setShadowDepth(chunk.shadowDepth);
}

void ProjectKeyframe::write(uint8_t * /* data */) const
{
    ProjectKeyframeChunk chunk;
    chunk.timeIndex = uint64_t(timeIndex());
    chunk.gravityFactor = gravityFactor();
    internal::getPositionRaw(gravityDirection(), chunk.gravityDirection);
    chunk.shadowMode = shadowMode();
    chunk.shadowDistance = shadowDistance();
    chunk.shadowDepth = shadowDepth();
}

size_t ProjectKeyframe::estimateSize() const
{
    return size();
}

IProjectKeyframe *ProjectKeyframe::clone() const
{
    ProjectKeyframe *keyframe = m_ptr = new ProjectKeyframe(m_motionRef);
    keyframe->setTimeIndex(m_timeIndex);
    keyframe->setLayerIndex(m_layerIndex);
    keyframe->setGravityFactor(m_gravityFactor);
    keyframe->setGravityDirection(m_gravityDirection);
    keyframe->setShadowMode(m_shadowMode);
    keyframe->setShadowDistance(m_shadowDistance);
    keyframe->setShadowDepth(m_shadowDepth);
    m_ptr = 0;
    return keyframe;
}

void ProjectKeyframe::setName(const IString * /* value */)
{
}

IKeyframe::Type ProjectKeyframe::type() const
{
    return kProjectKeyframe;
}

const Motion *ProjectKeyframe::parentMotionRef() const
{
    return m_motionRef;
}

float ProjectKeyframe::gravityFactor() const
{
    return m_gravityFactor;
}

Vector3 ProjectKeyframe::gravityDirection() const
{
    return m_gravityDirection;
}

int ProjectKeyframe::shadowMode() const
{
    return m_shadowMode;
}

float ProjectKeyframe::shadowDistance() const
{
    return m_shadowDistance;
}

float ProjectKeyframe::shadowDepth() const
{
    return m_shadowDepth;
}

void ProjectKeyframe::setGravityFactor(float value)
{
    m_gravityFactor = value;
}

void ProjectKeyframe::setGravityDirection(const Vector3 &value)
{
    m_gravityDirection = value;
}

void ProjectKeyframe::setShadowMode(int value)
{
    m_shadowMode = value;
}

void ProjectKeyframe::setShadowDistance(float value)
{
    m_shadowDistance = value;
}

void ProjectKeyframe::setShadowDepth(float value)
{
    m_shadowDepth = value;
}

} /* namespace mvd */
} /* namespace vpvl2 */
