Workaround to fix #20645. Iteration over multidim arrays and slicing of them is broken.

Before fixing this I'd like to clean BPY a bit.

3 files changed, 9 insertions, 5 deletions

diff --git a/release/scripts/io/export_fbx.py b/release/scripts/io/export_fbx.py
index a7e126446bd..ffd7c3f3efa 100644
--- a/release/scripts/io/export_fbx.py
+++ b/release/scripts/io/export_fbx.py
@@ -1751,9 +1751,10 @@ def write(filename, batch_objects = None, \
                 ii = 0 # Count how many UVs we write
 
                 for uf in uvlayer.data:
-# 				for f in me.faces:
-                    for uv in uf.uv:
-# 					for uv in f.uv:
+#               for f in me.faces:
+                    # workaround, since uf.uv iteration is wrong atm
+                    for uv in [uf.uv1, uf.uv2, uf.uv3, uf.uv4][:len(uf.uv)]:
+#                   for uv in f.uv:
                         if i==-1:
                             file.write('%.6f,%.6f' % tuple(uv))
                             i=0
diff --git a/release/scripts/io/export_obj.py b/release/scripts/io/export_obj.py
index 8d1a9a9aced..7c4c83c53c7 100644
--- a/release/scripts/io/export_obj.py
+++ b/release/scripts/io/export_obj.py
@@ -563,7 +563,8 @@ def write(filename, objects, scene,
 
                     tface = uv_layer.data[f_index]
 
-                    uvs = tface.uv
+                    # workaround, since tface.uv iteration is wrong atm
+                    uvs = [tface.uv1, tface.uv2, tface.uv3, tface.uv4][:len(tface.uv)]
                     # uvs = [tface.uv1, tface.uv2, tface.uv3]
 
                     # # add another UV if it's a quad
diff --git a/release/scripts/io/export_x3d.py b/release/scripts/io/export_x3d.py
index 6b94a0cc91a..c492c4a6b15 100644
--- a/release/scripts/io/export_x3d.py
+++ b/release/scripts/io/export_x3d.py
@@ -616,7 +616,8 @@ class x3d_class:
 
         for face in mesh.active_uv_texture.data:
         # for face in mesh.faces:
-            uvs = face.uv
+            # workaround, since tface.uv iteration is wrong atm
+            uvs = [face.uv1, face.uv2, face.uv3, face.uv4][:len(face.uv)]
             # uvs = [face.uv1, face.uv2, face.uv3, face.uv4] if face.verts[3] else [face.uv1, face.uv2, face.uv3]
 
             for uv in uvs:
@@ -625,6 +626,7 @@ class x3d_class:
                 texCoordList.append(uv)
                 j=j+1
             texIndexList.append(-1)
+			
         if self.writingtexture == 0:
             self.file.write("\n\t\t\ttexCoordIndex=\"")
             texIndxStr=""