void DiMotionSerializerImpl::WriteBones( const DiSkeleton* pSkeleton )
{
WriteChunkHeader(DI_BONES,CalcBonesSize(pSkeleton));
uint16 numBones = (uint16)pSkeleton->GetNumBones();
WriteShorts(&numBones,1);
for (size_t i = 0; i < numBones; ++i)
{
const DiBone* pBone = pSkeleton->GetBone(i);
// name
WriteString(pBone->GetName());
// handle
uint16 handle = (uint16)pBone->GetHandle();
WriteShorts(&handle,1);
// position
WriteObject(pBone->GetPosition());
// orientation
WriteObject(pBone->GetOrientation());
// �Ƿ���scale
bool hasscale = pBone->GetScale() != DiVec3::UNIT_SCALE;
WriteBools(&hasscale,1);
if (hasscale)
{
// scale
WriteObject(pBone->GetScale());
}
}
}
void DiMotionSerializerImpl::WriteBoneParent( uint16 b0, uint16 bparent )
{
WriteChunkHeader(DI_BONES_PARENT,sizeof(uint16)*2 + MSTREAM_OVERHEAD_SIZE);
WriteShorts(&b0, 1);
WriteShorts(&bparent, 1);
}
void DiMeshSerializerImpl::WriteSubMesh( DiSubMesh* pMesh )
{
WriteChunkHeader(DI_SUBMESH, CalcSubMeshSize(pMesh));
WriteString(pMesh->GetMaterialName());
unsigned int indexCount = pMesh->GetIndexNum();
WriteInts(&indexCount,1);
bool u32 = pMesh->GetIndexSize() == 32;
WriteBools(&u32,1);
uint16 primitive = (uint16)pMesh->GetPrimitiveType();
WriteShorts(&primitive,1);
WriteData(pMesh->GetIndexData(),
(pMesh->GetIndexSize() / 8) * pMesh->GetIndexNum(), 1);
WriteGeometry(pMesh);
if (!pMesh->mBoneWeights.empty())
{
WriteSubMeshBoneWeights(pMesh);
}
}
void DiMeshSerializerImpl::WriteGeometryVertexBuffer( DiSubMesh* pMesh )
{
DiSubMesh::SourceDataIterator it = pMesh->GetSourceDataIterator();
while (it.HasMoreElements())
{
DiSubMesh::SourceData sd = it.GetNext();
size_t size = MSTREAM_OVERHEAD_SIZE;
size += sizeof(uint16);
size += sizeof(uint16);
size += sd.GetSize();
WriteChunkHeader(DI_GEOMETRY_VERTEX_BUFFER,size);
WriteShorts(&sd.stream,1);
WriteShorts(&sd.stride,1);
WriteData(sd.data,sd.GetSize(),1);
}
}
void DiMeshSerializerImpl::WriteGeometryVertexDeclaration( DiSubMesh* pMesh )
{
DiVertexElements& ele = pMesh->GetVertexElements();
uint32 elementNums = ele.GetNumVertexElements();
WriteChunkHeader(DI_GEOMETRY_VERTEX_DECLARATION, MSTREAM_OVERHEAD_SIZE +
4 * sizeof(uint16) * elementNums);
for (uint32 i=0; i<elementNums; i++)
{
DiVertexElements::Element ve = ele.GetElement(i);
UINT16 temp = ve.Stream;
WriteShorts(&temp,1);
temp = ve.Type;
WriteShorts(&temp,1);
temp = ve.Usage;
WriteShorts(&temp,1);
temp = ve.UsageIndex;
WriteShorts(&temp,1);
}
}
void DiMotionSerializerImpl::WriteNodeClip( const DiNodeClip* pClip )
{
DiBone* bone = (DiBone*)pClip->GetTargetNode();
if (!bone)
{
return;
}
WriteChunkHeader(DI_CLIPS_NODE,CalcNodeClipSize(pClip));
uint16 boneid = (uint16)bone->GetHandle();
WriteShorts(&boneid, 1);
uint16 keyFrameNum = (uint16) pClip->GetNumFrames();
WriteShorts(&keyFrameNum,1);
for (uint16 i = 0; i < keyFrameNum; ++i)
{
DiTransformKeyFrame* key = pClip->GetNodeKeyFrame(i);
float time = key->GetTime();
WriteFloats(&time, 1);
WriteObject(key->GetTranslate());
WriteObject(key->GetRotation());
bool hasScale = key->GetScale() != DiVec3::UNIT_SCALE;
WriteBools(&hasScale,1);
if (hasScale)
{
WriteObject(key->GetScale());
}
}
}
void DiMeshSerializerImpl::WriteSubMeshBoneWeights( DiSubMesh* pMesh )
{
const DiSubMesh::BoneWeightList& weights = pMesh->GetBoneWeights();
uint32 weightsSize = weights.size();
size_t chunkSize = MSTREAM_OVERHEAD_SIZE + sizeof(uint32) + weightsSize * sizeof(DiBoneWeight);
WriteChunkHeader(DI_MESH_WEIGHTS, chunkSize);
WriteInts(&weightsSize,1);
DiSubMesh::BoneWeightList::const_iterator it;
DiSubMesh::BoneWeightList::const_iterator itEnd = weights.end();
for (it = weights.begin(); it != itEnd; ++it)
{
WriteInts(&it->second.vertexIndex,1);
WriteShorts(&it->second.boneIndex,1);
WriteFloats(&it->second.weight,1);
}
}
void DiMotionSerializerImpl::WriteAttachClip( const DiNodeClip* clip )
{
DiAttachNode * attach = (DiAttachNode *)clip->GetTargetNode();
if (!attach)
{
DI_WARNING("No target node!");
return;
}
WriteChunkHeader(DI_CLIPS_ATTACH,CalcAttachClipSize(clip));
WriteString(attach->GetName());
uint16 keyFrameNum = (uint16) clip->GetNumFrames();
WriteShorts(&keyFrameNum,1);
for (uint16 i = 0; i < keyFrameNum; ++i)
{
DiTransformKeyFrame* key = clip->GetNodeKeyFrame(i);
float time = key->GetTime();
WriteFloats(&time, 1);
WriteObject(key->GetTranslate());
WriteObject(key->GetRotation());
bool hasScale = key->GetScale() != DiVec3::UNIT_SCALE;
WriteBools(&hasScale,1);
if (hasScale)
{
WriteObject(key->GetScale());
}
}
}
void DiMotionSerializerImpl::WriteSkeleton( const DiSkeleton* pSkeleton )
{
WriteChunkHeader(DI_SKELETON,sizeof(uint16) + MSTREAM_OVERHEAD_SIZE);
uint16 blendmode = (uint16)pSkeleton->GetBlendMode();
WriteShorts(&blendmode,1);
if (pSkeleton->GetNumBones() > 0)
{
WriteBones(pSkeleton);
}
size_t numBones = pSkeleton->GetNumBones();
for (size_t i = 0; i < numBones; ++i)
{
const DiBone* pBone = pSkeleton->GetBone(i);
unsigned short handle = (uint16)pBone->GetHandle();
DiBone* pParent = (DiBone*)pBone->GetParent();
if (pParent != NULL)
{
WriteBoneParent((uint16)handle, (uint16)pParent->GetHandle());
}
}
}
void DiSerializer::WriteChunkHeader( uint16 id, size_t size )
{
WriteShorts(&id, 1);
uint32 uint32size = static_cast<uint32>(size);
WriteInts(&uint32size, 1);
}
