From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 23 Jun 2020 16:37:40 +0000 (+0300)
Subject: Raise an exception if the TBN UV layer is not found during export
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=68488043ee491d117477a458f876e0d3f78e146e

Raise an exception if the TBN UV layer is not found during export
---

diff --git a/blender/io_mspgl/mesh.py b/blender/io_mspgl/mesh.py
index 42adabe6..ac3f7c67 100644
--- a/blender/io_mspgl/mesh.py
+++ b/blender/io_mspgl/mesh.py
@@ -440,6 +440,8 @@ class Mesh:
 				self.compute_tbn(tbn_layer_index, progress)
 				progress.pop_task()
 				prog_step = 2
+			else:
+				raise Exception("TBN UV layer not found")
 
 		# Split by the remaining UV layers
 		for i, u in enumerate(self.uv_layers):