From bea6ca0c4ef8b838ab6d2bc63136b52eb3ffc63c Mon Sep 17 00:00:00 2001
From: Bastien Montagne <montagne29@wanadoo.fr>
Date: Sun, 5 Aug 2018 19:13:35 +0200
Subject: [PATCH] Fix T55022: [fbx] when enable use tangent space ,it's throw
bug.
calculating tangent for some reasons recompute mesh' UV layers, so we
cannot use iterators on those...
---
io_scene_fbx/__init__.py | 2 +-
io_scene_fbx/export_fbx_bin.py | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/io_scene_fbx/__init__.py b/io_scene_fbx/__init__.py
index 9611cb1f2..920ddc4ca 100644
--- a/io_scene_fbx/__init__.py
+++ b/io_scene_fbx/__init__.py
@@ -21,7 +21,7 @@
bl_info = {
"name": "FBX format",
"author": "Campbell Barton, Bastien Montagne, Jens Restemeier",
- "version": (3, 9, 1),
+ "version": (3, 9, 2),
"blender": (2, 79, 1),
"location": "File > Import-Export",
"description": "FBX IO meshes, UV's, vertex colors, materials, textures, cameras, lamps and actions",
diff --git a/io_scene_fbx/export_fbx_bin.py b/io_scene_fbx/export_fbx_bin.py
index b75a8977c..2df62e3ff 100644
--- a/io_scene_fbx/export_fbx_bin.py
+++ b/io_scene_fbx/export_fbx_bin.py
@@ -1023,9 +1023,11 @@ def fbx_data_mesh_elements(root, me_obj, scene_data, done_meshes):
if tspacenumber:
t_ln = array.array(data_types.ARRAY_FLOAT64, (0.0,)) * len(me.loops) * 3
# t_lnw = array.array(data_types.ARRAY_FLOAT64, (0.0,)) * len(me.loops)
+ uv_names = [uvlayer.name for uvlayer in me.uv_layers]
+ for name in uv_names:
+ me.calc_tangents(name)
for idx, uvlayer in enumerate(me.uv_layers):
name = uvlayer.name
- me.calc_tangents(name)
# Loop bitangents (aka binormals).
# NOTE: this is not supported by importer currently.
me.loops.foreach_get("bitangent", t_ln)
--
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