/**

 Copyright (c) 2010-2013  hkrn

 All rights reserved.

 Redistribution and use in source and binary forms, with or
 without modification, are permitted provided that the following
 conditions are met:

 - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
 - Redistributions in binary form must reproduce the above
   copyright notice, this list of conditions and the following
   disclaimer in the documentation and/or other materials provided
   with the distribution.
 - Neither the name of the MMDAI project team nor the names of
   its contributors may be used to endorse or promote products
   derived from this software without specific prior written
   permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 CONTRIBUTORS "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
 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.

*/

#include "vpvl2/vpvl2.h"
#include "vpvl2/internal/util.h"

#include "vpvl2/mvd/LightKeyframe.h"

namespace vpvl2
{
namespace mvd
{

#pragma pack(push, 1)

struct LightKeyframeChunk {
    LightKeyframeChunk() {}
    uint64 timeIndex;
    float position[3];
    float color[3];
    uint8 enabled;
};

#pragma pack(pop)

LightKeyframe::LightKeyframe(const Motion *motionRef)
    : VPVL2_KEYFRAME_INITIALIZE_FIELDS(),
      m_ptr(0),
      m_motionRef(motionRef),
      m_color(kZeroV3),
      m_direction(kZeroV3)
{
}

LightKeyframe::~LightKeyframe()
{
    VPVL2_KEYFRAME_DESTROY_FIELDS();
    internal::deleteObject(m_ptr);
    m_color.setZero();
    m_direction.setZero();
}

vsize LightKeyframe::size()
{
    static const LightKeyframeChunk keyframe;
    return sizeof(keyframe);
}

bool LightKeyframe::preparse(uint8 *&ptr, vsize &rest, vsize reserved, Motion::DataInfo & /* info */)
{
    if (!internal::validateSize(ptr, size(), rest)) {
        VPVL2_LOG(WARNING, "Invalid size of MVD light keyframe detected: ptr=" << static_cast<const void *>(ptr) << " rest=" << rest);
        return false;
    }
    if (!internal::validateSize(ptr, reserved, rest)) {
        VPVL2_LOG(WARNING, "Invalid size of MVD reserved light keyframe detected: ptr=" << static_cast<const void *>(ptr) << " size=" << reserved << " rest=" << rest);
        return false;
    }
    return true;
}

void LightKeyframe::read(const uint8 *data)
{
    LightKeyframeChunk chunk;
    internal::getData(data, chunk);
    internal::setPosition(chunk.position, m_direction);
    internal::setPositionRaw(chunk.color, m_color);
    setTimeIndex(TimeIndex(chunk.timeIndex));
    setEnable(chunk.enabled != 0);
}

void LightKeyframe::write(uint8 *data) const
{
    LightKeyframeChunk chunk;
    internal::getPosition(direction(), chunk.position);
    internal::getPositionRaw(color(), chunk.color);
    chunk.timeIndex = uint64(timeIndex());
    chunk.enabled = isEnabled();
    internal::writeBytes(&chunk, sizeof(chunk), data);
}

vsize LightKeyframe::estimateSize() const
{
    return size();
}

ILightKeyframe *LightKeyframe::clone() const
{
    LightKeyframe *keyframe = m_ptr = new LightKeyframe(m_motionRef);
    keyframe->setTimeIndex(m_timeIndex);
    keyframe->setLayerIndex(m_layerIndex);
    keyframe->setColor(m_color);
    keyframe->setDirection(m_direction);
    keyframe->setEnable(m_enabled);
    m_ptr = 0;
    return keyframe;
}

Vector3 LightKeyframe::color() const
{
    return m_color;
}

Vector3 LightKeyframe::direction() const
{
    return m_direction;
}

bool LightKeyframe::isEnabled() const
{
    return m_enabled;
}

void LightKeyframe::setColor(const Vector3 &value)
{
    m_color = value;
}

void LightKeyframe::setDirection(const Vector3 &value)
{
    m_direction = value;
}

void LightKeyframe::setEnable(bool value)
{
    m_enabled = value;
}

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

IKeyframe::Type LightKeyframe::type() const
{
    return kLightKeyframe;
}

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

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