[TextureAtlas] add a material if there are no slots at all for temoporary object.

1 files changed, 12 insertions, 4 deletions

diff --git a/uv_texture_atlas.py b/uv_texture_atlas.py
index 271c1d89..3dbf8cb7 100644
--- a/uv_texture_atlas.py
+++ b/uv_texture_atlas.py
@@ -615,6 +615,18 @@ class MergeObjects(Operator):
             item = ob_merge.ms_merged_objects.add()
             item.name = object.name
 
+            # Add material to a tempObject if there are no materialSlots on the object
+            if len(activeNowObject.material_slots) == 0:
+                mat = None
+                matName = "zz_TextureAtlas_NO_Material"
+
+                if bpy.data.materials.get(matName) is None:
+                    mat = bpy.data.materials.new(matName)
+                else:
+                    mat = bpy.data.materials[matName]
+
+                activeNowObject.data.materials.append(mat)
+
             # merge objects together
             bpy.ops.object.select_all(action='DESELECT')
             activeNowObject.select = True
@@ -640,10 +652,6 @@ class MergeObjects(Operator):
                 PREF_APPLY_IMAGE=False, PREF_IMG_PX_SIZE=1024, PREF_BOX_DIV=48, PREF_MARGIN_DIV=0.2)
         bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
 
-        # remove all materials
-        # for material in ob_merge.material_slots:
-            # bpy.ops.object.material_slot_remove()
-
         return{'FINISHED'}