Fix #2281 - better UDIM tile management

KhronosGroup · Jul 23, 2024 · bfcf120 · bfcf120
1 parent 1d22cc0
commit bfcf120
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/addons/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives_extract.py b/addons/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives_extract.py
@@ -654,11 +654,16 @@ def manage_material_info(self):
  for u in range(u_tiles):
  for v in range(v_tiles):
 
- if u != u_tiles - 1 and v != v_tiles - 1:
+ # Check if this tile exists
+ if int("10" + str(v) + str(u+1)) not in tiles:
+ continue
+
+ # Manage tile limits (inclusive or not), avoiding to have the same vertex in two tiles, if the vertex is on the limit
+ if int("10" + str(v) + str(u+1+1)) in tiles and int("10" + str(v+1) + str(u+1)) in tiles:
  indices = np.where((self.dots[uvmap_name + '0'] >= u) & (self.dots[uvmap_name + '0'] < (u + 1)) & (self.dots[uvmap_name + '1'] <= (1-v) ) & (self.dots[uvmap_name + '1'] > 1-(v + 1)))[0]
- elif u == u_tiles - 1 and v != v_tiles - 1:
+ elif int("10" + str(v) + str(u+1+1)) not in tiles and int("10" + str(v+1) + str(u+1)) in tiles:
  indices = np.where((self.dots[uvmap_name + '0'] >= u) & (self.dots[uvmap_name + '0'] <= (u + 1)) & (self.dots[uvmap_name + '1'] <= (1-v) ) & (self.dots[uvmap_name + '1'] > 1-(v + 1)))[0]
- elif u != u_tiles -1 and v == v_tiles - 1:
+ elif int("10" + str(v) + str(u+1+1)) in tiles and int("10" + str(v+1) + str(u+1)) not in tiles:
  indices = np.where((self.dots[uvmap_name + '0'] >= u) & (self.dots[uvmap_name + '0'] < (u + 1)) & (self.dots[uvmap_name + '1'] <= (1-v) ) & (self.dots[uvmap_name + '1'] >= 1-(v + 1)))[0]
  else:
  indices = np.where((self.dots[uvmap_name + '0'] >= u) & (self.dots[uvmap_name + '0'] <= (u + 1)) & (self.dots[uvmap_name + '1'] <= (1-v) ) & (self.dots[uvmap_name + '1'] >= 1-(v + 1)))[0]