From cdc9360ec38316abd942ceeefffb34f11d368483 Mon Sep 17 00:00:00 2001
From: Sebastian Sille <nrgsille@noreply.localhost>
Date: Wed, 8 Nov 2023 12:49:20 +0100
Subject: [PATCH] Import_3ds: Fix crash if mesh has no faces
Avoid crash with broken 3ds faces chunk
---
io_scene_3ds/import_3ds.py | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/io_scene_3ds/import_3ds.py b/io_scene_3ds/import_3ds.py
index 4c7080bc5..0c3a29537 100644
--- a/io_scene_3ds/import_3ds.py
+++ b/io_scene_3ds/import_3ds.py
@@ -427,8 +427,11 @@ def process_next_chunk(context, file, previous_chunk, imported_objects, CONSTRAI
# in rare cases no materials defined.
bmesh.materials.append(bmat) # can be None
- for fidx in faces:
- bmesh.polygons[fidx].material_index = mat_idx
+ if bmesh.polygons:
+ for fidx in faces:
+ bmesh.polygons[fidx].material_index = mat_idx
+ else:
+ print("\tError: Mesh has no faces!")
if uv_faces:
uvl = bmesh.uv_layers.active.data[:]
@@ -1626,6 +1629,7 @@ def load_3ds(filepath, context, CONSTRAIN=10.0, UNITS=False, IMAGE_SEARCH=True,
# here we go!
read_chunk(file, current_chunk)
if current_chunk.ID != PRIMARY:
+ context.window.cursor_set('DEFAULT')
print("\tFatal Error: Not a valid 3ds file: %r" % filepath)
file.close()
return
--
GitLab