From 4f7043ffddce3cede5a372c67e0cb2986495d0fc Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Wed, 27 Oct 2021 17:58:35 +0900
Subject: [PATCH] Implement `data:` uri dispatch

---
 Assets/UniGLTF/Runtime/UniGLTF/IO/GltfData.cs | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/GltfData.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/GltfData.cs
index ffb08e768..5130311af 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/IO/GltfData.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/GltfData.cs
@@ -107,13 +107,28 @@ namespace UniGLTF
             );
         }
 
+        Dictionary<string, ArraySegment<byte>> _dataCache = new Dictionary<string, ArraySegment<byte>>();
+
         public ArraySegment<Byte> GetBytesFromUri(string uri)
         {
             if (string.IsNullOrEmpty(uri))
             {
                 throw new ArgumentNullException();
             }
-            return _storage.Get(uri);
+            if (uri.StartsWith("data:", StringComparison.Ordinal))
+            {
+                if (_dataCache.TryGetValue(uri, out ArraySegment<byte> data))
+                {
+                    return data;
+                }
+                data = new ArraySegment<byte>(UriByteBuffer.ReadEmbedded(uri));
+                _dataCache.Add(uri, data);
+                return data;
+            }
+            else
+            {
+                return _storage.Get(uri);
+            }
         }
 
         public ArraySegment<Byte> GetBytes(int bufferIndex)