feat: update to 1.3.1

- new feature: Select all affected vertices

Author: namakoshiro

README.md

@@ -1,77 +1,83 @@
-## [**`👉 Download Latest Version 👈`**](https://github.com/namakoshiro/blender-shapekey-tools/releases/download/v1.3.0/blender-shapekey-tools-v1.3.0.zip)
-
-- **For first time installation**
-    - Drag the `Zip` file into Blender and click `OK`
-    - Search for `Shapekey Tools` in `Preferences` > `Add-ons`
-    - Make sure `Shapekey Tools` is enabled
-    - Press shortcut key `N` in viewport to open the `N-Panel`
-
-- **For update from previous version to 1.3.0 and later**  
-    - Drag the `Zip` file into Blender and click `OK`
-    - `Restart` Blender to complete the update
-
-- **For update from version 1.3.0**  
-    - Press `Update` button to update the addon online
-    - In case it's not working, please manually [`Download Latest Version`](https://github.com/namakoshiro/blender-shapekey-tools/releases/download/v1.3.0/blender-shapekey-tools-v1.3.0.zip)
-    - Press `Install` button and select `Zip` file to update the addon
-
-## **😊 Information**
-
-**This is a Blender add-on for one-click to split or merge L/R shapekeys, and create new shapekey below the selected**  
-
-- Author: [`namakoshiro`](https://x.com/namakoshiro)  
-- Version: `1.3.0`  
-- Last Updated: `2025/3/14`  
-
-## **📖 How to Use**
-
-- **New Empty Shapekey**
-    - Add a new empty shapekey below the selected
-
-- **New Shapekey from Mix**
-    - Capture the current mix as a new shapekey below the selected
-
-- **Delete All Except Locked**
-    - Delete all shapekeys except basis and locked ones
-
-- **Mirror Shapekey**
-    - Generate a mirrored version of the selected shapekey below the selected
-
-- **Split Shapekey L/R**
-    - Split a shapekey into L/R versions below the selected
-
-- **Smoothly Split Mouth L/R**
-    - Smoothly split mouth shapekey into L/R with weighted transition
-    - Animations of teeth and tongue will be scaled down but won't be tilted like lips
-
-## **Update History**
-
-- **v1.3.0 (2025/3/14)**
-    - Convert to multi-file system
-    - New feature: Update from online/local
-
-- **v1.2.2 (2025/1/16)**
-    - Change info name to "Shapekey Tools"
-    - Change info category to "Rigging"
-
-- **v1.2.1 (2025/1/16)**
-    - Feature: Delete All Except Locked only available on Blender ≥ 4.2
-    - Enhance functions
-
-- **v1.2.0 (2025/1/15)**
-    - New Feature: Delete All Except Locked
-    - New Feature: Smoothly Split Mouth L/R
-    - Enhance functions
-    - Fix problems
-
-- **v1.1.2 (2025/1/14)**
-    - New Feature: Smoothly Split Mouth L/R (Experimental)
-    - Fix problems
-
-- **v1.1.0 (2025/1/13)**
-    - Add support for Blender version from 2.80 to 4.3
-    - Enhance UI
-    - Enhance functions
-
-- **v1.0.0 (2025/1/12)**
-    - Public release
+## [**`👉 Download Latest Version 👈`**](https://github.com/namakoshiro/blender-shapekey-tools/releases/download/v1.3.1/blender-shapekey-tools-v1.3.1.zip)
+
+- **For first time installation**
+    - Drag the `Zip` file into Blender and click `OK`
+    - Search for `Shapekey Tools` in `Preferences` > `Add-ons`
+    - Make sure `Shapekey Tools` is enabled
+    - Press shortcut key `N` in viewport to open the `N-Panel`
+
+- **For update from previous version to 1.3.0 and later**  
+    - Drag the `Zip` file into Blender and click `OK`
+    - `Restart` Blender to complete the update
+
+- **For update from version 1.3.0**  
+    - Press `Update` button to update the addon online
+    - In case it's not working, please manually [`Download Latest Version`](https://github.com/namakoshiro/blender-shapekey-tools/releases/download/v1.3.1/blender-shapekey-tools-v1.3.1.zip)
+    - Press `Install` button and select `Zip` file to update the addon
+
+## **😊 Information**
+
+**This is a Blender add-on for one-click to split or merge L/R shapekeys, and create new shapekey below the selected**  
+
+- Author: [`namakoshiro`](https://x.com/namakoshiro)  
+- Version: `1.3.1`  
+- Last Updated: `2025/3/17`  
+
+## **📖 How to Use**
+
+- **New Empty Shapekey**
+    - Add a new empty shapekey below the selected
+
+- **New Shapekey from Mix**
+    - Capture the current mix as a new shapekey below the selected
+
+- **Delete All Except Locked**
+    - Delete all shapekeys except basis and locked ones
+
+- **Mirror Shapekey**
+    - Generate a mirrored version of the selected shapekey below the selected
+
+- **Split Shapekey L/R**
+    - Split a shapekey into L/R versions below the selected
+
+- **Smoothly Split Mouth L/R**
+    - Smoothly split mouth shapekey into L/R with weighted transition
+    - Animations of teeth and tongue will be scaled down but won't be tilted like lips
+
+- **Select All Affected Vertices**
+    - Select all vertices affected of the selected shapekey in Edit Mode
+
+## **Update History**
+
+- **1.3.1 (2025/3/17)**
+    - New feature: Select All Affected Vertices
+
+- **1.3.0 (2025/3/14)**
+    - Convert to multi-file system
+    - New feature: Update from online/local
+
+- **1.2.2 (2025/1/16)**
+    - Change info name to "Shapekey Tools"
+    - Change info category to "Rigging"
+
+- **1.2.1 (2025/1/16)**
+    - Feature: Delete All Except Locked only available on Blender ≥ 4.2
+    - Enhance functions
+
+- **1.2.0 (2025/1/15)**
+    - New Feature: Delete All Except Locked
+    - New Feature: Smoothly Split Mouth L/R
+    - Enhance functions
+    - Fix problems
+
+- **1.1.2 (2025/1/14)**
+    - New Feature: Smoothly Split Mouth L/R (Experimental)
+    - Fix problems
+
+- **1.1.0 (2025/1/13)**
+    - Add support for Blender version from 2.80 to 4.3
+    - Enhance UI
+    - Enhance functions
+
+- **1.0.0 (2025/1/12)**
+    - Public release

__init__.py

@@ -1,7 +1,7 @@
 bl_info = {
     "name": "Shapekey Tools",
     "author": "namakoshiro",
-    "version": (1, 3, 0),
+    "version": (1, 3, 1),
     "blender": (2, 80, 0),
     "location": "View3D > Sidebar > Shapekey",
     "description": "This is a Blender addon to manage shapekeys",
@@ -25,6 +25,7 @@
 from .modules import add_shapekey_below
 from .modules import add_shapekey_from_mix
 from .modules import delete_unlocked_shapekeys
+from .modules import select_affected_vertices
 from .modules import shapekey_mirror
 from .modules import shapekey_split_lr
 from .modules import smooth_split_mouth_lr
@@ -34,6 +35,7 @@ def register():
     add_shapekey_below.register()
     add_shapekey_from_mix.register()
     delete_unlocked_shapekeys.register()
+    select_affected_vertices.register()
     shapekey_mirror.register()
     shapekey_split_lr.register()
     smooth_split_mouth_lr.register()
@@ -51,6 +53,7 @@ def unregister():
     smooth_split_mouth_lr.unregister()
     shapekey_split_lr.unregister()
     shapekey_mirror.unregister()
+    select_affected_vertices.unregister()
     delete_unlocked_shapekeys.unregister()
     add_shapekey_from_mix.unregister()
     add_shapekey_below.unregister()

modules/select_affected_vertices.py

@@ -0,0 +1,76 @@
+import bpy
+from bpy.types import Operator
+import bmesh
+from mathutils import Vector
+
+class SELECT_OT_affected_vertices(Operator):
+    bl_idname = "object.select_affected_vertices"
+    bl_label = "Select All Affected Vertices"
+    bl_description = "Select all affected vertices of the selected shapekey in Edit Mode"
+    bl_options = {'REGISTER', 'UNDO'}
+    
+    @classmethod
+    def poll(cls, context):
+        # Check if object is mesh with shapekeys and in edit mode
+        obj = context.active_object
+        return (obj and obj.type == 'MESH' and obj.data.shape_keys 
+                and context.mode == 'EDIT_MESH' and obj.active_shape_key_index > 0)
+    
+    def execute(self, context):
+        try:
+            obj = context.active_object
+            shape_keys = obj.data.shape_keys
+            if not shape_keys:
+                return {'CANCELLED'}
+            
+            # Get the selected shapekey
+            active_key_index = obj.active_shape_key_index
+            if active_key_index <= 0:  # Skip basis
+                self.report({'WARNING'}, "Please select a shapekey")
+                return {'CANCELLED'}
+            
+            active_key = shape_keys.key_blocks[active_key_index]
+            basis_key = shape_keys.key_blocks[0]
+            
+            # Get mesh data
+            bm = bmesh.from_edit_mesh(obj.data)
+            
+            # Deselect all vertices first
+            for v in bm.verts:
+                v.select = False
+            
+            # Threshold for considering a vertex affected (can be adjusted)
+            threshold = 0.0001
+            
+            # Count affected vertices
+            affected_count = 0
+            
+            # Compare active shapekey with basis and select affected vertices
+            for i, (basis_co, active_co) in enumerate(zip(basis_key.data, active_key.data)):
+                # Calculate difference vector
+                diff = Vector(active_co.co) - Vector(basis_co.co)
+                
+                # If the difference is significant, select the vertex
+                if diff.length > threshold:
+                    bm.verts[i].select = True
+                    affected_count += 1
+            
+            # Update the mesh
+            bmesh.update_edit_mesh(obj.data)
+            
+            # Report results
+            self.report({'INFO'}, f"Selected {affected_count} affected vertices")
+            
+            return {'FINISHED'}
+            
+        except Exception as e:
+            self.report({'ERROR'}, f"Failed to select vertices: {str(e)}")
+            return {'CANCELLED'}
+
+# Register
+def register():
+    bpy.utils.register_class(SELECT_OT_affected_vertices)
+
+# Unregister
+def unregister():
+    bpy.utils.unregister_class(SELECT_OT_affected_vertices) 

modules/smooth_split_mouth_lr.py

@@ -95,7 +95,6 @@ def find_face_mesh(self, obj):
         return set(island_data[0]['verts'])
 
     def calculate_custom_weight(self, position, is_upward):
-        """Calculate transition weight for vertex position"""
         if is_upward:
             # Keep full weight in first 30% for upper lip
             if position <= 0.3:

ui/panels.py

@@ -12,23 +12,16 @@ def poll(cls, context):
         # Check if object is mesh with shapekeys
         obj = context.active_object
         return obj and obj.type == 'MESH' and obj.data.shape_keys
-    
+
     def draw(self, context):
         layout = self.layout
         obj = context.active_object
 
         # Check conditions
         is_object_mode = context.mode == 'OBJECT'
+        is_edit_mode = context.mode == 'EDIT_MESH'
         has_active_non_basis = obj.active_shape_key_index > 0
 
-        # Show warning if not in object mode
-        if not is_object_mode:
-            box = layout.box()
-            box.alert = True
-            box.label(text="Work in Object Mode", icon='ERROR')
-            layout.separator()
-        
-        # Basic operators section
         box = layout.box()
         col = box.column(align=True)
         col.enabled = is_object_mode
@@ -39,15 +32,18 @@ def draw(self, context):
         if bpy.app.version >= (4, 2, 0):
             col.operator("object.delete_unlocked_shapekeys", icon='REMOVE')
 
-        # Mirror and split operators section
         box = layout.box()
         col = box.column(align=True)
         col.enabled = is_object_mode and has_active_non_basis
         col.operator("object.add_shapekey_mirror", icon='ARROW_LEFTRIGHT')
         col.operator("object.add_shapekey_split_lr", icon='MOD_MIRROR')
         col.operator("object.add_shapekey_smooth_split_mouth_lr", icon='MOD_MIRROR')
 
-        # Version and update section
+        box = layout.box()
+        col = box.column(align=True)
+        col.enabled = is_edit_mode and has_active_non_basis
+        col.operator("object.select_affected_vertices", icon='VERTEXSEL')
+        
         layout.separator()
         box = layout.box()
         row = box.row(align=True)
@@ -65,8 +61,8 @@ def draw(self, context):
 
         # Version Info
         col = box.column()
-        col.label(text="Version: 1.3.0")
-        col.label(text="Last Updated: 2025/3/14")
+        col.label(text="Version: 1.3.1")
+        col.label(text="Last Updated: 2025/3/17")
         if hasattr(bpy.types.Scene, "shapekey_tools_update_available"):
             if hasattr(bpy.context.scene, "shapekey_tools_update_check_in_progress") and bpy.context.scene.shapekey_tools_update_check_in_progress:
                 col.label(text="Checking update...")