/// <summary>
/// Finds or creates a node, notice that this will not perform an analysis on the node, which must be explicitly called on the node
/// </summary>
/// <param name="item">The asset item to find or create</param>
/// <param name="compilationContext">The context in which the asset is compiled.</param>
/// <returns>The build node associated with item</returns>
public BuildAssetNode FindOrCreateNode([NotNull] AssetItem item, [NotNull] Type compilationContext)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (compilationContext == null)
{
throw new ArgumentNullException(nameof(compilationContext));
}
var nodeDesc = new BuildNodeDesc(item.Id, compilationContext);
BuildAssetNode node;
if (!nodes.TryGetValue(nodeDesc, out node))
{
node = new BuildAssetNode(item, compilationContext, this);
nodes.TryAdd(nodeDesc, node);
}
else if (!ReferenceEquals(node.AssetItem, item))
{
node = new BuildAssetNode(item, compilationContext, this);
nodes[nodeDesc] = node;
}
return(node);
}
// TODO: this should be reimplemented at the service level (that consumes the build graph - thumbnails, preview, scene editors...)
//private static void AnalyzeNode([NotNull] BuildAssetNode node, [NotNull] AssetCompilerContext context)
//{
// if (node == null) throw new ArgumentNullException(nameof(node));
// if (context == null) throw new ArgumentNullException(nameof(context));
// node.Analyze(context);
// foreach (var reference in node.References)
// {
// AnalyzeNode(reference.Target, context);
// }
//}
//public void AssetChanged(AssetItem sender)
//{
// //var node = FindOrCreateNode(sender, typeof(AssetCompilationContext)); // update only runtime ones ( as they are root )
// //var context = new AssetCompilerContext { CompilationContext = typeof(AssetCompilationContext) };
// //AnalyzeNode(node, context);
//}
/// <summary>
/// Finds a node, notice that this will not perform an analysis on the node, which must be explicitly called on the node
/// </summary>
/// <param name="item">The asset item to find</param>
/// <param name="compilationContext">The context in which the asset is compiled.</param>
/// <returns>The build node associated with item or null if it was not found</returns>
public BuildAssetNode FindNode([NotNull] AssetItem item, [NotNull] Type compilationContext)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (compilationContext == null)
{
throw new ArgumentNullException(nameof(compilationContext));
}
var nodeDesc = new BuildNodeDesc(item.Id, compilationContext);
if (!nodes.TryGetValue(nodeDesc, out var node))
{
return(null);
}
if (!ReferenceEquals(node.AssetItem, item))
{
nodes.TryRemove(nodeDesc, out node);
return(null);
}
return(node);
}
/// <summary>
/// Removes the node from the build graph
/// </summary>
/// <param name="node">The node to remove</param>
public void RemoveNode([NotNull] BuildAssetNode node)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
var nodeDesc = new BuildNodeDesc(node.AssetItem.Id, node.CompilationContext);
nodes.TryRemove(nodeDesc, out node);
}
/// <summary>
/// Removes the nodes associated with item from the build graph
/// </summary>
/// <param name="item">The item to use to find nodes to remove</param>
public void RemoveNode([NotNull] AssetItem item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
var assetNodes = FindNodes(item).ToList();
foreach (var buildAssetNode in assetNodes)
{
var nodeDesc = new BuildNodeDesc(item.Id, buildAssetNode.CompilationContext);
nodes.TryRemove(nodeDesc, out _);
}
}
