fix list index out of range for color_per_vertex #2

Merged
Cedric Steiert merged 5 commits from Bujus_Krachus/io_scene_x3d:fix-list-index-out-of-range-vertex-color into main 2024-08-06 17:19:38 +02:00

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@ -1975,12 +1975,28 @@ def importMesh_IndexedFaceSet(geom, ancestry):
color_per_vertex = geom.getFieldAsBool('colorPerVertex', True, ancestry)
color_index = geom.getFieldAsArray('colorIndex', 0, ancestry)
has_color_index = len(color_index) != 0
has_valid_color_index = index.count(-1) == color_index.count(-1)
d = bpymesh.vertex_colors.new().data
if color_per_vertex:
# rebuild a corrupted colorIndex field (assuming the end of face markers -1 are missing)
if has_color_index and not has_valid_color_index:
# remove all -1 beforehand to ensure clean working copy
color_index = [x for x in color_index if x != -1]
# copy all -1 from coordIndex to colorIndex
for i, v in enumerate(index):
if v == -1:
color_index.insert(i, -1)
if color_per_vertex and has_color_index: # Color per vertex with index
cco = [cco for f in processPerVertexIndex(color_index)
for v in f
for cco in rgb[v]]
for v in f
for cco in rgb[v]]
elif color_per_vertex: # Color per vertex without index
cco = [cco for f in faces
for (i, v) in enumerate(f)
for cco in rgb[i]]
elif color_index: # Color per face with index
cco = [cco for (i, f) in enumerate(faces)
for j in f