From d683967b1d1e47574ccf7fe821cc7758f96e6b52 Mon Sep 17 00:00:00 2001
From: LJW-Dev <48092720+LJW-Dev@users.noreply.github.com>
Date: Mon, 16 Mar 2026 14:14:35 +0800
Subject: [PATCH] Extended GLTF classes to support: material colours, and
 images buffer view index / image type.

---
 src/ObjCommon/XModel/Gltf/JsonGltf.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/ObjCommon/XModel/Gltf/JsonGltf.h b/src/ObjCommon/XModel/Gltf/JsonGltf.h
index bf76190b..2e4332eb 100644
--- a/src/ObjCommon/XModel/Gltf/JsonGltf.h
+++ b/src/ObjCommon/XModel/Gltf/JsonGltf.h
@@ -277,10 +277,11 @@ namespace gltf
     {
     public:
         std::optional<JsonTextureInfo> baseColorTexture;
+        std::optional<std::array<float, 4>> baseColorFactor;
         std::optional<float> metallicFactor;
     };
 
-    NLOHMANN_DEFINE_TYPE_EXTENSION(JsonPbrMetallicRoughness, baseColorTexture, metallicFactor);
+    NLOHMANN_DEFINE_TYPE_EXTENSION(JsonPbrMetallicRoughness, baseColorTexture, baseColorFactor, metallicFactor);
 
     class JsonNormalTextureInfo
     {
@@ -388,9 +389,12 @@ namespace gltf
     {
     public:
         std::optional<std::string> uri;
+
+        std::optional<unsigned int> bufferView;
+        std::optional<std::string> mimeType;
     };
 
-    NLOHMANN_DEFINE_TYPE_EXTENSION(JsonImage, uri);
+    NLOHMANN_DEFINE_TYPE_EXTENSION(JsonImage, uri, bufferView, mimeType);
 
     class JsonRoot
     {