From 92e2024cb839e665763b9621d607151fcf8aa0cb Mon Sep 17 00:00:00 2001
From: Julien Duroure <julien.duroure@gmail.com>
Date: Mon, 26 Jun 2023 19:19:59 +0200
Subject: [PATCH] Fix: glTF importer shading flat/smooth
glTF importer: fix shading flat/smooth. polygons were to be flat by default, now they are smooth.
So updating to flat when no normals in input glTF
Pull Request: https://projects.blender.org/blender/blender-addons/pulls/104717
---
io_scene_gltf2/__init__.py | 2 +-
io_scene_gltf2/blender/imp/gltf2_blender_mesh.py | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/io_scene_gltf2/__init__.py b/io_scene_gltf2/__init__.py
index 518c43b29..86854422f 100755
--- a/io_scene_gltf2/__init__.py
+++ b/io_scene_gltf2/__init__.py
@@ -4,7 +4,7 @@
bl_info = {
'name': 'glTF 2.0 format',
'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
- "version": (3, 6, 25),
+ "version": (3, 6, 27),
'blender': (3, 5, 0),
'location': 'File > Import-Export',
'description': 'Import-Export as glTF 2.0',
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py b/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
index 8bdb9ad4e..12df0b383 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
@@ -641,7 +641,8 @@ def set_poly_smoothing(gltf, pymesh, mesh, vert_normals, loop_vidxs):
num_polys = len(mesh.polygons)
if gltf.import_settings['import_shading'] == "FLAT":
- # Polys are flat by default; don't have to do anything
+ # Polys are smooth by default, setting to flat
+ mesh.shade_flat()
return
if gltf.import_settings['import_shading'] == "SMOOTH":
--
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