Blender Plugin 1.8.0

NEW:
- auto gen. Emptys at mesh origin
- fix naming convention from point to underscore
- auto gen. Collections for Unreal export
FIX:
- "Fix Material Names" completely redone (pls test)

Blender/_Source/L1960_Tools_1_8_0/Helper.py

@@ -0,0 +1,169 @@
+import bpy
+import re
+
+### FIX MATERIALS ###
+
+class MESH_OT_fix_material_names(bpy.types.Operator):
+    """Fixes the material naming, if duplicated are present e.g. Material.001, Material.002 ..."""
+
+    bl_idname = "mesh.fix_material_names"
+    bl_label = "Fixes the material naming, if duplicated are present"
+    bl_options = {"REGISTER", "UNDO"}
+    
+    def execute(self, context):
+        #Remove all duplicated materials
+        self.merge_duplicated_materials()
+        
+        #Merge material slots for every mesh in the scene
+        #for obj in bpy.context.scene.objects:
+            #if obj.type == "MESH":
+                #self.merge_material_slots(obj)
+        
+        self.report({'INFO'}, 'All duplicated Materials fixed')
+        return {"FINISHED"}
+    
+    def merge_duplicated_materials(self):
+        for material in bpy.data.materials:
+            if material.name[-3].isnumeric():
+                opti_matName = material.name[:-4]
+                if bpy.data.materials.get(opti_matName): #check if og_mat exists
+                    material.user_remap(bpy.data.materials.get(opti_matName))
+                    print("Removed Material: " + material.name)
+                    bpy.data.materials.remove(material)
+                else:
+                    material.name = opti_matName
+                    
+    def merge_material_slots(self, obj):
+        duplicated_material_list = []
+        
+        #create list with indexes of material slots with the same name
+        for og_slot in obj.material_slots:
+            for slot in obj.material_slots:
+                if slot.name == og_slot.name:
+                    if slot.slot_index == og_slot.slot_index:
+                        continue
+                    if og_slot.slot_index in duplicated_material_list:
+                        continue
+                    duplicated_material_list.append(int(slot.slot_index))
+        
+        #delete all material slots within list
+        for slot_index in sorted(duplicated_material_list, reverse=True):
+            obj.data.materials.pop(index = slot_index)
+
+
+### GROUP OBJECTS TO COLLECTIONS ###
+
+class MESH_OT_group_objects_in_collections(bpy.types.Operator):
+    """Groups objects by name into seperate collections, usefull for Unreal Decogon import"""
+
+    bl_idname = "mesh.group_objects_in_collections"
+    bl_label = "Groups objects by name into seperate collections, usefull for Unreal Decogon import"
+    bl_options = {"REGISTER", "UNDO"}
+    
+    def execute(self, context):
+        # Erstellen einer leeren Dictionary zur Speicherung der Collections nach Basisnamen
+        collection_dict = {}
+
+        # Durchlaufen aller Objekte in der Szene
+        for obj in bpy.context.scene.objects:
+            # Überprüfen, ob das Objekt ein leeres Elternobjekt ist
+            if obj.type == 'EMPTY':
+                # Anwenden der Regex auf den Objektnamen
+                match = re.match(r'^(.*?)_(.*?)_(\d+)([a-zA-Z]+)$', obj.name)
+                if match:
+                    prefix = match.group(1)
+                    name = match.group(2)
+                    number = match.group(3)
+                    letter = match.group(4)
+                    
+                    # Extrahieren des Basisnamens für die Collection
+                    base_name = f"L1960_{name}"
+                    
+                    # Hinzufügen des Objekts zur entsprechenden Liste in der Dictionary
+                    if base_name not in collection_dict:
+                        collection_dict[base_name] = {}
+                    if number not in collection_dict[base_name]:
+                        collection_dict[base_name][number] = {}
+                    if letter not in collection_dict[base_name][number]:
+                        collection_dict[base_name][number][letter] = {'empty': obj, 'children': []}
+        
+        # Durchlaufen der Dictionary und Erstellen der Collections
+        for base_name, number_dict in collection_dict.items():
+            # Erstellen einer neuen Collection für den Basisnamen
+            base_collection = bpy.data.collections.new(base_name)
+            bpy.context.scene.collection.children.link(base_collection)
+            
+            # Durchlaufen der sortierten Liste der Objekte und Verschieben in die Collections
+            for number, letter_dict in number_dict.items():
+                # Erstellen einer Collection für die Nummer und Verschieben des leeren Elternobjekts dorthin
+                number_collection = bpy.data.collections.new(f"{base_name}_{number}")
+                base_collection.children.link(number_collection)
+                
+                # Durchlaufen der Buchstaben und Erstellen der Buchstaben-Collection unter der Nummer
+                for letter, obj_data in letter_dict.items():
+                    empty = obj_data['empty']
+                    children = empty.children
+                    
+                    letter_collection = bpy.data.collections.new(f"{base_name}_{number}{letter}")
+                    number_collection.children.link(letter_collection)
+                    
+                    # Verschieben des leeren Elternobjekts in die entsprechende Collection
+                    letter_collection.objects.link(empty)
+                    
+                    # Verschieben der Kinder des leeren Elternobjekts in die entsprechende Collection
+                    for child in children:
+                        letter_collection.objects.link(child)
+                    
+                    # Entfernen des leeren Elternobjekts und seiner Kinder aus der Szene
+                    bpy.context.collection.objects.unlink(empty)
+                    for child in children:
+                        bpy.context.collection.objects.unlink(child)
+                        
+        self.report({'INFO'}, 'All objects sorted')
+        return {"FINISHED"}
+
+### FIX NAMING CONVENTIONS ###
+
+class MESH_OT_fix_naming_conventions(bpy.types.Operator):
+    """Changes . to _ to solve naming issues with workbench"""
+
+    bl_idname = "mesh.fix_naming_convention"
+    bl_label = "Changes . to _ to solve naming issues with workbench"
+    bl_options = {"REGISTER", "UNDO"}
+    
+    def execute(self, context):
+        for obj in bpy.data.objects:
+            obj.name = obj.name.replace(".","_")
+            
+        self.report({'INFO'}, 'Fixed Naming')
+        return {"FINISHED"}
+        
+class MESH_OT_generate_empty_for_mesh(bpy.types.Operator):
+    """Generates a Empty with the objects name at it´s position"""
+
+    bl_idname = "mesh.generate_empty_for_mesh"
+    bl_label = "Generates a Empty with the objects name at it´s position"
+    bl_options = {"REGISTER", "UNDO"}
+    
+    def execute(self, context):
+        scene = bpy.context.scene
+        Selection = bpy.context.selected_objects
+        FilteredSelection = [obj for obj in Selection if obj.type != 'EMPTY']
+        ActiveObj = bpy.context.active_object
+        
+        for obj in FilteredSelection:
+            oldEmpty = scene.objects.get("Socket_" + obj.name)
+            if oldEmpty:
+                oldEmpty.location = obj.location
+                oldEmpty.rotation_euler  = obj.rotation_euler 
+            else:
+                obj.select_set(True)
+                bpy.ops.object.empty_add(type='PLAIN_AXES', align='WORLD', location=obj.location, scale=(1, 1, 1), rotation=obj.rotation_euler)
+                empty = bpy.context.active_object
+                empty.name = "Socket_" + obj.name
+
+        #Change back to selection and select old active
+        bpy.ops.object.select_all(action='DESELECT')
+
+        self.report({'INFO'}, 'Generated Emptys for selectes Meshes in Scene')
+        return {"FINISHED"}