cdabf7e353
This commit fixes several issues: * island_store->items_to_islands_num was reset each time we added a new island, this is stupid! Harmless too, though, afaikt. * partial verts bvhtree (with several islands) was hugely over-allocated... * we would 'leak' in neighbor islands when geometry itself was contiguous. * best_nor_dot was used incorrectly, leading to smaller weights for better matching normal! All those fixes are related to T44522 (through personal communications with reporter).