/**

 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/MorphKeyframe.h"
#include "vpvl2/mvd/NameListSection.h"

namespace vpvl2
{
namespace mvd
{

#pragma pack(push, 1)

struct MorphKeyframeChunk {
    MorphKeyframeChunk() {}
    uint64 timeIndex;
    float32 weight;
    internal::InterpolationPair weightIP;
};

#pragma pack(pop)

MorphKeyframe::MorphKeyframe(const Motion *motionRef)
    : VPVL2_KEYFRAME_INITIALIZE_FIELDS(),
      m_ptr(0),
      m_motionRef(motionRef),
      m_weight(0)
{
}

MorphKeyframe::~MorphKeyframe()
{
    VPVL2_KEYFRAME_DESTROY_FIELDS();
    internal::deleteObject(m_ptr);
    m_motionRef = 0;
    m_weight = 0;
}

vsize MorphKeyframe::size()
{
    static const MorphKeyframeChunk keyframe;
    return sizeof(keyframe);
}

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

int MorphKeyframe::interpolationTableSize()
{
    return 256;
}

void MorphKeyframe::read(const uint8 *data)
{
    MorphKeyframeChunk chunk;
    internal::getData(data, chunk);
    setWeight(chunk.weight);
    setTimeIndex(TimeIndex(chunk.timeIndex));
    setInterpolationParameter(kWeight, internal::InterpolationTable::toQuadWord(chunk.weightIP));
}

void MorphKeyframe::write(uint8 *data) const
{
    MorphKeyframeChunk chunk;
    chunk.weight = float32(weight());
    chunk.timeIndex = uint64(timeIndex());
    tableForWeight().getInterpolationPair(chunk.weightIP);
    internal::writeBytes(&chunk, sizeof(chunk), data);
}

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

IMorphKeyframe *MorphKeyframe::clone() const
{
    MorphKeyframe *keyframe = m_ptr = new MorphKeyframe(m_motionRef);
    keyframe->setTimeIndex(m_timeIndex);
    keyframe->setLayerIndex(m_layerIndex);
    keyframe->setWeight(m_weight);
    keyframe->setName(m_namePtr);
    keyframe->setInterpolationParameter(kWeight, m_interpolationWeight.parameter);
    m_ptr = 0;
    return keyframe;
}

void MorphKeyframe::setDefaultInterpolationParameter()
{
    m_interpolationWeight.reset();
}

void MorphKeyframe::setInterpolationParameter(InterpolationType type, const QuadWord &value)
{
    switch (type) {
    case kWeight:
    default:
        m_interpolationWeight.build(value, interpolationTableSize());
        break;
    }
}

void MorphKeyframe::getInterpolationParameter(InterpolationType type, QuadWord &value) const
{
    switch (type) {
    case kWeight:
    default:
        value = m_interpolationWeight.parameter;
        break;
    }
}

IMorph::WeightPrecision MorphKeyframe::weight() const
{
    return m_weight;
}

void MorphKeyframe::setWeight(const IMorph::WeightPrecision &value)
{
    m_weight = value;
}

void MorphKeyframe::setName(const IString *value)
{
    internal::setString(value, m_namePtr);
    m_motionRef->nameListSection()->addName(value);
}

IMorphKeyframe::Type MorphKeyframe::type() const
{
    return kMorphKeyframe;
}

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

const internal::InterpolationTable &MorphKeyframe::tableForWeight() const
{
    return m_interpolationWeight;
}

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