/**

 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/ProjectKeyframe.h"

namespace vpvl2
{
namespace mvd
{

#pragma pack(push, 1)

struct ProjectKeyframeChunk {
    ProjectKeyframeChunk() {}
    uint64 timeIndex;
    float32 gravityFactor;
    float32 gravityDirection[3];
    int32 shadowMode;
    float32 shadowDistance;
    float32 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();
    internal::deleteObject(m_ptr);
    m_motionRef = 0;
    m_gravityDirection.setZero();
    m_gravityFactor = 0;
    m_shadowDistance = 0;
    m_shadowDepth = 0;
    m_shadowMode = 0;
}

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

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

void ProjectKeyframe::read(const uint8 *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 * /* data */) const
{
    ProjectKeyframeChunk chunk;
    chunk.timeIndex = uint64(timeIndex());
    chunk.gravityFactor = gravityFactor();
    internal::getPositionRaw(gravityDirection(), chunk.gravityDirection);
    chunk.shadowMode = shadowMode();
    chunk.shadowDistance = shadowDistance();
    chunk.shadowDepth = shadowDepth();
}

vsize 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;
}

float32 ProjectKeyframe::gravityFactor() const
{
    return m_gravityFactor;
}

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

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

float32 ProjectKeyframe::shadowDistance() const
{
    return m_shadowDistance;
}

float32 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 */
