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io_scene_3ds: Update for Blender 3.x #104507

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Sebastian Sille wants to merge 12 commits from nrgsille-patch-2 into main
pull from: nrgsille-patch-2
merge into: blender:main

When changing the target branch, be careful to rebase the branch in your fork to match. See documentation.
Conversation 0 Commits 12 Files Changed 3 +5 -6
1 changed files with 5 additions and 6 deletions
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11
io_scene_3ds/export_3ds.py
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@ -803,14 +803,17 @@ def extract_triangles(mesh):
uv1, uv2, uv3 = f_uv
"""Flag 0x1 sets CA edge visible, Flag 0x2 sets BC edge visible, Flag 0x4 sets AB edge visible
Flag 0x8 indicates a U axis texture wrap and Flag 0x10 indicates a V axis texture wrap
Flag 0x8 indicates a U axis texture wrap seam and Flag 0x10 indicates a V axis texture wrap seam
In Blender we use the edge CA, BC, and AB flags for sharp edges flags"""
a_b = mesh.edges[mesh.loops[face.loops[0]].edge_index]
b_c = mesh.edges[mesh.loops[face.loops[1]].edge_index]
c_a = mesh.edges[mesh.loops[face.loops[2]].edge_index]
if v3 == 0:
v1, v2, v3 = v3, v1, v2
a_b, b_c, c_a = c_a, a_b, b_c
if do_uv:
uv1, uv2, uv3 = uv3, uv1, uv2
faceflag = 0
if c_a.use_edge_sharp:
@ -822,11 +825,7 @@ def extract_triangles(mesh):
smoothgroup = polygroup[face.polygon_index]
if len(f_v)==3:
if v3 == 0:
v1, v2, v3 = v3, v1, v2
if do_uv:
uv1, uv2, uv3 = uv3, uv1, uv2
if len(f_v)==3:
new_tri = tri_wrapper((v1, v2, v3), face.material_index, img)
if (do_uv):
new_tri.faceuvs = uv_key(uv1), uv_key(uv2), uv_key(uv3)