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using System;
using System.IO;
using System.Linq;
using UnityEditor;
using UnityEditor.Experimental.AssetImporters;
using UnityEngine;
using XNode;
namespace XNodeEditor {
/// <summary> Deals with modified assets </summary>
class NodeGraphImporter : AssetPostprocessor {
private static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths) {
foreach (string path in importedAssets) {
// Skip processing anything without the .asset extension
if (Path.GetExtension(path) != ".asset") continue;
// Get the object that is requested for deletion
NodeGraph graph = AssetDatabase.LoadAssetAtPath<NodeGraph>(path);
if (graph == null) continue;
// Get attributes
Type graphType = graph.GetType();
NodeGraph.RequireNodeAttribute[] attribs = Array.ConvertAll(
graphType.GetCustomAttributes(typeof(NodeGraph.RequireNodeAttribute), true), x => x as NodeGraph.RequireNodeAttribute);
Vector2 position = Vector2.zero;
foreach (NodeGraph.RequireNodeAttribute attrib in attribs) {
if (attrib.type0 != null) AddRequired(graph, attrib.type0, ref position);
if (attrib.type1 != null) AddRequired(graph, attrib.type1, ref position);
if (attrib.type2 != null) AddRequired(graph, attrib.type2, ref position);
}
}
}
private static void AddRequired(NodeGraph graph, Type type, ref Vector2 position) {
if (!graph.nodes.Any(x => x.GetType() == type)) {
XNode.Node node = graph.AddNode(type);
node.position = position;
position.x += 200;
if (node.name == null || node.name.Trim() == "") node.name = NodeEditorUtilities.NodeDefaultName(type);
if (!string.IsNullOrEmpty(AssetDatabase.GetAssetPath(graph))) AssetDatabase.AddObjectToAsset(node, graph);
}
}
}
}
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