From 47a90af3a41f9dd3de171ba1aaa9656e9f6827a1 Mon Sep 17 00:00:00 2001
From: Donkie <daniel.cf.hultgren@gmail.com>
Date: Sun, 19 Dec 2021 20:12:41 +0100
Subject: [PATCH] Parse externalShapesFile from xml

---
 I3DShapesTool.Lib/Model/I3D/I3D.cs          |  1 +
 I3DShapesTool.Lib/Model/I3D/I3DXMLReader.cs | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/I3DShapesTool.Lib/Model/I3D/I3D.cs b/I3DShapesTool.Lib/Model/I3D/I3D.cs
index 6448508..475865e 100644
--- a/I3DShapesTool.Lib/Model/I3D/I3D.cs
+++ b/I3DShapesTool.Lib/Model/I3D/I3D.cs
@@ -10,6 +10,7 @@ public class I3D
 
         public string? Name { get; set; }
         public string? Version { get; set; }
+        public string? ExternalShapesFile { get; set; }
         public TransformGroup SceneRoot { get; } = new TransformGroup("root", 0, I3DVector.Zero, I3DVector.Zero, I3DVector.One);
 
         private IDictionary<uint, Shape>? _shapesMap;
diff --git a/I3DShapesTool.Lib/Model/I3D/I3DXMLReader.cs b/I3DShapesTool.Lib/Model/I3D/I3DXMLReader.cs
index 65ce2ad..cd44b91 100644
--- a/I3DShapesTool.Lib/Model/I3D/I3DXMLReader.cs
+++ b/I3DShapesTool.Lib/Model/I3D/I3DXMLReader.cs
@@ -121,6 +121,17 @@ public static I3D ParseXML(string filePath)
                             while(reader.MoveToNextAttribute());
                             break;
                         }
+                        if(reader.Name == "Shapes")
+                        {
+                            reader.MoveToFirstAttribute();
+                            do
+                            {
+                                if (reader.Name == "externalShapesFile")
+                                    result.ExternalShapesFile = Path.Combine(Path.GetDirectoryName(filePath), reader.Value);
+                            }
+                            while (reader.MoveToNextAttribute());
+                            break;
+                        }
                         if(reader.Name == "Scene")
                         {
                             reader.Read();