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Fix: LineArt: Fix potential out of range original index after chaining

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Due to the existence of intersection and lines from different objects
can be chained together, there could be index that's out of range from
_current_ object reference from a chain, which is normal and was handled
before !148840, that logic was mistakenly lost, now it's fixed.

Pull Request: https://projects.blender.org/blender/blender/pulls/149455
This commit is contained in:
YimingWu 2025-11-06 14:26:23 +01:00
parent 0574c4b6f9
commit a445f6be96
1 changed files with 2 additions and 2 deletions
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4
source/blender/modifiers/intern/lineart/lineart_cpu.cc
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@ -5444,7 +5444,7 @@ void MOD_lineart_gpencil_generate_v3(const LineartCache *cache,
auto transfer_to_matching_groups = [&](const int64_t source_index, const int target_index) {
for (const int from_group : src_to_dst_defgroup.index_range()) {
if (from_group < 0) {
if (from_group < 0 || UNLIKELY(source_index >= src_dvert.size())) {
continue;
}
const MDeformWeight *mdw_from = BKE_defvert_find_index(&src_dvert[source_index],
@ -5459,7 +5459,7 @@ void MOD_lineart_gpencil_generate_v3(const LineartCache *cache,
auto transfer_to_singular_group = [&](const int64_t source_index, const int target_index) {
float highest_weight = 0.0f;
for (const int from_group : src_to_dst_defgroup.index_range()) {
if (from_group < 0) {
if (from_group < 0 || UNLIKELY(source_index >= src_dvert.size())) {
continue;
}
const MDeformWeight *mdw_from = BKE_defvert_find_index(&src_dvert[source_index],