public CSGTree ToCSGTree(out HashSet<CSGNode> animatedNodes)
{
animatedNodes = new HashSet<CSGNode>();
var tree = new CSGTree();
tree.RootNode = RootNode.ToCSGNode(null, animatedNodes, false);
return tree;
}
public static IEnumerable<CSGNode> FindChildBrushes(CSGTree tree)
{
return FindChildBrushes(tree.RootNode);
}
void UpdateMeshes(CSGTree tree, IEnumerable<CSGNode> updateNodes)
{
var modifiedMeshes = CSGCategorization.ProcessCSGNodes(tree.RootNode, updateNodes);
foreach (var item in modifiedMeshes)
validMeshes[item.Key] = item.Value;
UpdateVertexBuffers(validMeshes);
}
void InitCSGTree()
{
csgTree = CSGUtility.LoadTree("import.xml", out instanceNodes);
if (csgTree == null)
{
MessageBox.Show("Failed to load file");
return;
}
instanceNodeTranslations = new List<Vector3>();
if (instanceNodes != null &&
instanceNodes.Count > 0)
{
foreach (var node in instanceNodes)
instanceNodeTranslations.Add(node.LocalTranslation);
subInstanceBrushes = new HashSet<CSGNode>();
foreach (var node in instanceNodes)
{
foreach (var brush in CSGUtility.FindChildBrushes(node))
subInstanceBrushes.Add(brush);
}
allBrushes = (from node in
CSGUtility.FindChildBrushes(csgTree)
where !subInstanceBrushes.Contains(node)
select node).ToList();
} else
allBrushes = CSGUtility.FindChildBrushes(csgTree).ToList();
var updateNodes = new List<CSGNode>();
updateNodes.AddRange(allBrushes);
updateNodes.AddRange(instanceNodes);
UpdateMeshes(csgTree, updateNodes);
}
