void Skeleton::addWeight( unsigned int vertexIdx, const std::string& boneId, float weight )
{
// make sure the vertex we're trying to describe is in our array
while ( vertexIdx >= m_weights.size() )
{
m_weights.push_back( VertexWeight() );
}
// find the index assigned to the specified bone
int boneIdx = getBoneIndex( boneId );
if ( boneIdx < 0 )
{
boneIdx = m_boneNames.size();
m_boneNames.push_back( boneId );
}
// find the next index to fill in
unsigned int nextIdx = 0;
for ( nextIdx = 0; nextIdx < 4; ++nextIdx )
{
if ( m_weights[ vertexIdx ].m_indices[ nextIdx ] < 0 )
{
break;
}
}
ASSERT_MSG( nextIdx < 4, "Too many skin weights assigned" );
m_weights[ vertexIdx ].m_weights[ nextIdx ] = weight;
m_weights[ vertexIdx ].m_indices[ nextIdx ] = (float)boneIdx;
}
BoneWeights::BoneWeights( const NifModel * nif, const QModelIndex & index, int b, int vcnt )
{
trans = Transform( nif, index );
center = nif->get<Vector3>( index, "Center" );
radius = nif->get<float>( index, "Radius" );
bone = b;
QModelIndex idxWeights = nif->getIndex( index, "Vertex Weights" );
if ( idxWeights.isValid() )
{
for ( int c = 0; c < nif->rowCount( idxWeights ); c++ )
{
QModelIndex idx = idxWeights.child( c, 0 );
weights.append( VertexWeight( nif->get<int>( idx, "Index" ), nif->get<float>( idx, "Weight" ) ) );
}
}
else // create artificial ones, TODO: should they weight nothing* instead?
for ( int c = 0; c < vcnt; c++ )
weights.append( VertexWeight( c, 1.0f ) );
}
