genesis-3d_engine/Engine/addons/resource/skeletonressaver.cc
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

163 lines
4.3 KiB
C++

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "resource/resource_stdneb.h"
#include "resource/skeletonressaver.h"
#include "resource/reslable.h"
namespace Resources
{
__ImplementClass( Resources::SkeletonResSaver,'SKRS',Resources::ResourceSaver);
//------------------------------------------------------------------------
SkeletonResSaver::SkeletonResSaver()
{
}
//------------------------------------------------------------------------
SkeletonResSaver::~SkeletonResSaver()
{
}
//------------------------------------------------------------------------
bool SkeletonResSaver::SaveResource(Resource* res )
{
if ( !res )
return false;
if ( res->GetRtti() != &SkeletonRes::RTTI )
{
return false;
}
GPtr<Resource> pRes = res;
GPtr<SkeletonRes> pSkelRes = pRes.downcast<SkeletonRes>();
n_assert(pSkelRes);
if ( !mStream.isvalid() )
{
return false;
}
// Only loaded res can be saved
if ( pSkelRes->GetState() != Resource::Loaded )
{
return false;
}
GPtr<IO::BinaryWriter> pWriter = IO::BinaryWriter::Create();
n_assert(pWriter.isvalid());
pWriter->SetStream( mStream );
// Every file should be LittleEndian
pWriter->SetStreamByteOrder(System::ByteOrder::LittleEndian);
if ( !pWriter->Open() )
{
return false;
}
// save data
if ( !SaveSkeleton(pWriter, pSkelRes) )
{
pWriter->Close();
return false;
}
pWriter->Close();
return true;
}
//------------------------------------------------------------------------
bool
SkeletonResSaver::SaveSkeleton(GPtr<IO::BinaryWriter>& pWriter, GPtr<SkeletonRes>& pSkelRes)
{
pWriter->WriteInt(ResLable::L_Skeleton);
// cur version is 1
pWriter->WriteInt(1);
if( !WriteSkelBone( pWriter, pSkelRes ) )
{
return false;
}
pWriter->WriteInt( ResLable::L_End );
return true;
}
//------------------------------------------------------------------------
bool
SkeletonResSaver::WriteSkelBone(GPtr<IO::BinaryWriter>& pWriter, GPtr<SkeletonRes>& pSkelRes)
{
n_assert( pWriter.isvalid() && pSkelRes.isvalid() );
const SkelBoneContainer& container = pSkelRes->GetSkelBones();
if ( container.IsEmpty() )
{
return true;
}
// Data mask
pWriter->WriteInt(ResLable::L_Bone);
//save type mask
pWriter->WriteInt(ResLable::S_StdBone);
SizeT size = container.Size();
if ( size > MaxSkeletonBoneCount )
{
// the max bone count is 65535
return false;
}
// note: ushort
pWriter->WriteUShort( (ushort)size );
for ( IndexT index = 0; index < size; ++index )
{
const SkelBone& bone = container[index];
#if NEBULA3_BOUNDSCHECKS
if ( bone.boneName.IsValid()
&& ( (bone.parentIndex == MaxSkeletonBoneCount) || ( bone.parentIndex < size ) ) )
{
pWriter->WriteUShort( bone.parentIndex );
pWriter->WriteString( bone.boneName.AsString() );
pWriter->WriteMatrix44( bone.inverseBindingMatrix );
}
else
{
return false;
}
#else
pWriter->WriteUShort( bone.parentIndex );
pWriter->WriteString( bone.boneName );
pWriter->WriteMatrix44( bone.inverseBindingMatrix );
#endif
}
return true;
}
}