Method GetDynamicBounds

trinity/Tr2GrannyAnimation.cpp:953–1021

}

bool Tr2GrannyAnimation::GetDynamicBounds( Vector4& boundingSphere, Vector3& aabbMin, Vector3& aabbMax )
{
	if( IsUsingCMF() )
	{
		Vector3 transformed[8];
		if( m_boneBounds.empty() && !InitializeBoundingInfo() )
		{
			return false;
		}

		BoundingSphereInitialize( boundingSphere );
		BoundingBoxInitialize( aabbMin, aabbMax );

		for( const auto& bb : m_boneBounds )
		{
			const Matrix& mat = m_worldTransforms[bb.m_boneIndex];

			for( unsigned point = 0; point < 8; point++ )
			{
				transformed[point] = TransformCoord( bb.m_corners[point], mat );
				BoundingBoxUpdate( aabbMin, aabbMax, transformed[point] );
				BoundingSphereUpdate( transformed[point], boundingSphere );
			}
		}

		return true;
	}
#if WITH_GRANNY
	else
	{
		Vector3 transformed[8];
		if( m_boneBounds.empty() && !InitializeBoundingInfo() )
		{
			return false;
		}

		BoundingSphereInitialize( boundingSphere );
		BoundingBoxInitialize( aabbMin, aabbMax );

		for( const auto& bb : m_boneBounds )
		{
			const Matrix* mat = reinterpret_cast<const Matrix*>( GrannyGetWorldPose4x4( m_worldPose, bb.m_boneIndex ) );

			for( unsigned point = 0; point < 8; point++ )
			{
				transformed[point] = TransformCoord( bb.m_corners[point], *mat );
				BoundingBoxUpdate( aabbMin, aabbMax, transformed[point] );
				BoundingSphereUpdate( transformed[point], boundingSphere );
			}
		}

		const granny_file_info* fi = GetFileInfo();
		if( fi )
		{
			aabbMin += *reinterpret_cast<Vector3*>( fi->Models[m_modelIndex]->InitialPlacement.Position );
			aabbMax += *reinterpret_cast<Vector3*>( fi->Models[m_modelIndex]->InitialPlacement.Position );
			boundingSphere.x += fi->Models[m_modelIndex]->InitialPlacement.Position[0];
			boundingSphere.y += fi->Models[m_modelIndex]->InitialPlacement.Position[1];