private void BuildTree( Node currentNode, DecompressorState state, int level )
{
bool flag = state.Flag;
state.NextNode();
currentNode.Level = level;
currentNode.Flag = flag;
if ( flag && level > 1 ) {
currentNode.CreateBranches( );
BuildTree( currentNode.BottomRightChild, state, level-1 );
BuildTree( currentNode.BottomLeftChild, state, level-1 );
BuildTree( currentNode.TopRightChild, state, level-1 );
BuildTree( currentNode.TopLeftChild, state, level-1 );
}
else {
if ( flag ) {
currentNode.CreateLeaves();
state.AddLeaves( );
}
else {
currentNode.BecomeLeaf();
state.AddLeaf( );
}
}
}
