From c7eefa5f6c34f28b28911491e57525783899edd4 Mon Sep 17 00:00:00 2001
From: hiroj <j-hirose@virtualcast.jp>
Date: Fri, 22 May 2020 14:20:41 +0900
Subject: [PATCH] extend texture loader

---
 .../VRM/UniGLTF/Scripts/IO/ImporterContext.cs  |  2 +-
 Assets/VRM/UniGLTF/Scripts/IO/TextureItem.cs   | 18 +++++++++++++++---
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs b/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs
index 8c975612b..952862959 100644
--- a/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs
+++ b/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs
@@ -394,7 +394,7 @@ namespace UniGLTF
             Root.name = Path.GetFileNameWithoutExtension(path);
         }
 
-        public void CreateTextureItems(UnityPath imageBaseDir = default(UnityPath))
+        public virtual void CreateTextureItems(UnityPath imageBaseDir = default(UnityPath))
         {
             if (m_textures.Any())
             {
diff --git a/Assets/VRM/UniGLTF/Scripts/IO/TextureItem.cs b/Assets/VRM/UniGLTF/Scripts/IO/TextureItem.cs
index 07c6a3d72..5c806739f 100644
--- a/Assets/VRM/UniGLTF/Scripts/IO/TextureItem.cs
+++ b/Assets/VRM/UniGLTF/Scripts/IO/TextureItem.cs
@@ -110,13 +110,25 @@ namespace UniGLTF
         /// Texture from buffer
         /// </summary>
         /// <param name="index"></param>
-        public TextureItem(int index)
+        public TextureItem(int index, ITextureLoader textureLoader = null)
         {
             m_textureIndex = index;
+            if(textureLoader == null)
+            {
+                m_textureLoader = CreateTextureLoader(index);
+            }
+            else
+            {
+                m_textureLoader = textureLoader;
+            }
+        }
+
+        private static ITextureLoader CreateTextureLoader(int index)
+        {
 #if UNIGLTF_USE_WEBREQUEST_TEXTURELOADER
-            m_textureLoader = new UnityWebRequestTextureLoader(m_textureIndex);
+            return new UnityWebRequestTextureLoader(index);
 #else
-            m_textureLoader = new TextureLoader(m_textureIndex);
+            return new TextureLoader(index);
 #endif
         }