Method GetBoneTransforms

trinity/Tr2GrannyAnimation.cpp:2371–2455

}

std::pair<const Float4x3*, size_t> Tr2AnimationMeshBinding::GetBoneTransforms() const
{
	if( m_animation->IsUsingCMF() )
	{
		if( !m_cmfSkeleton || !m_boneTransforms )
		{
			return std::make_pair( nullptr, 0 );
		}

		auto boneCount = m_geometryRes->GetCMFData()->meshes[m_meshIndex].boneBindings.size();

		if( m_boneTransforms && m_bindBoneIndices.size() && boneCount )
		{
			auto& worldTransforms = m_animation->GetWorldTransforms();
			if( m_cmfSkeleton != m_animation->GetSkeleton() )
			{
				CCP_ASSERT( boneCount <= m_animBoneIndices.size() );
				for( int32_t i = 0; i < boneCount; ++i )
				{
					if( m_animBoneIndices[i] == -1 )
					{
						m_boneTransforms[i] = Float4x3( Matrix() );
						continue;
					}
					CCP_ASSERT( m_bindBoneIndices[i] < m_cmfSkeleton->invBindTransforms.size() );
					CCP_ASSERT( m_animBoneIndices[i] < worldTransforms.size() );
					Matrix skinMatrix = m_cmfSkeleton->invBindTransforms[m_bindBoneIndices[i]] * worldTransforms[m_animBoneIndices[i]];
					m_boneTransforms[i] = Float4x3( skinMatrix );
				}
			}
			else
			{
				for( int32_t i = 0; i < boneCount; i++ )
				{
					int32_t boneIdx = m_bindBoneIndices[i];
					if( boneIdx >= 0 )
					{
						Matrix skinMatrix = m_cmfSkeleton->invBindTransforms[boneIdx] * worldTransforms[boneIdx];
						m_boneTransforms[i] = Float4x3( skinMatrix );
					}
				}
			}
		}

		return { m_boneTransforms.get(), boneCount };
	}
#if WITH_GRANNY
	else
	{
		if( !m_meshBinding || !m_boneTransforms )
		{
			return std::make_pair( nullptr, 0 );
		}

		auto boneCount = GrannyGetMeshBindingBoneCount( m_meshBinding.get() );

		auto meshToBone = GrannyGetMeshBindingFromBoneIndices( m_meshBinding.get() );
		if( m_boneTransforms && meshToBone && boneCount )