scripts-blender/addons/easy_weights/__init__.py

@@ -1,24 +1,11 @@
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
 from . import (
-    rogue_weights,
-    vertex_group_menu,
-    vertex_group_operators,
-    weight_paint_context_menu,
-    toggle_weight_paint,
     force_apply_mirror,
+    toggle_weight_paint,
+    weight_paint_context_menu,
+    vertex_group_operators,
+    weight_cleaner,
+    vertex_group_menu,
+    rogue_weights,
     prefs,
 )
 import bpy
@@ -42,6 +29,7 @@ modules = [
     toggle_weight_paint,
     weight_paint_context_menu,
     vertex_group_operators,
+    weight_cleaner,
     vertex_group_menu,
     rogue_weights,
     prefs,

scripts-blender/addons/easy_weights/prefs.py

@@ -1,15 +1,31 @@
 import bpy, json
 from bpy.props import BoolProperty
+from . import __package__ as base_package
+
+
+def get_addon_prefs(context=None):
+    if not context:
+        context = bpy.context
+    if base_package.startswith('bl_ext'):
+        # 4.2
+        return context.preferences.addons[base_package].preferences
+    else:
+        return context.preferences.addons[base_package.split(".")[0]].preferences
 
 
 class EASYWEIGHT_addon_preferences(bpy.types.AddonPreferences):
     bl_idname = __package__
     easyweight_keymap_items = {}
 
+    auto_clean_weights: BoolProperty(
+        name="Auto Clean",
+        description="While this is enabled, zero-weights will be removed automatically after every brush stroke",
+        default=True,
+    )
     show_hotkeys: BoolProperty(
         name="Show Hotkeys",
-        default=False,
         description="Reveal the hotkey list. You may customize or disable these hotkeys",
+        default=False,
     )
 
     def draw(self, context):
@@ -205,12 +221,6 @@ def register():
     )
     register_hotkey(
         bl_idname='object.weight_paint_toggle',
-        hotkey_kwargs={
-            'type': 'TAB',
-            'value': 'PRESS',
-            'ctrl': True
-        },
+        hotkey_kwargs={'type': 'TAB', 'value': 'PRESS', 'ctrl': True},
         key_cat='3D View',
     )
-
-    

scripts-blender/addons/easy_weights/weight_cleaner.py

@@ -0,0 +1,55 @@
+import bpy
+from bpy.app.handlers import persistent
+from .prefs import get_addon_prefs
+
+
+@persistent
+def start_cleaner(scene, depsgraph):
+    bpy.app.handlers.depsgraph_update_pre.append(WeightCleaner.clean_weights)
+    bpy.app.handlers.depsgraph_update_post.append(WeightCleaner.reset_flag)
+
+
+class WeightCleaner:
+    """Run bpy.ops.object.vertex_group_clean on every depsgraph update while in weight paint mode (ie. every brush stroke)."""
+
+    # Flag set in post_depsgraph_update, to indicate to pre_depsgraph_update that the depsgraph update has indeed completed.
+    can_clean = True
+    # Flag set by pre_depsgraph_update to indicate to post_depsgraph_update that the cleanup operator is still running (in a different thread).
+    cleaning_in_progress = False
+
+    @classmethod
+    def clean_weights(cls, scene, depsgraph):
+        context = bpy.context
+        prefs = get_addon_prefs(context)
+        if context.mode != 'PAINT_WEIGHT':
+            return
+        if not context or not hasattr(context, 'object') or not context.object:
+            return
+        if not prefs.auto_clean_weights:
+            return
+        if cls.can_clean:
+            cls.can_clean = False
+            cls.cleaning_in_progress = True
+            # This will trigger a depsgraph update, and therefore clean_weights, again.
+            bpy.ops.object.vertex_group_clean(group_select_mode='ALL', limit=0.001)
+            cls.cleaning_in_progress = False
+
+    @classmethod
+    def reset_flag(cls, scene, depsgraph):
+        context = bpy.context
+        if context.mode != 'PAINT_WEIGHT':
+            return
+        if not context or not hasattr(context, 'object') or not context.object:
+            return
+        if cls.cleaning_in_progress:
+            return
+        cls.can_clean = True
+
+
+def register():
+    start_cleaner(None, None)
+    bpy.app.handlers.load_post.append(start_cleaner)
+
+
+def unregister():
+    bpy.app.handlers.load_post.remove(start_cleaner)

scripts-blender/addons/easy_weights/weight_paint_context_menu.py

@@ -1,7 +1,7 @@
 import bpy
 from bpy.props import BoolProperty, EnumProperty
-from bpy.app.handlers import persistent
 from .vertex_group_operators import EASYWEIGHTS_OT_delete_empty_deform_groups, EASYWEIGHTS_OT_delete_unused_vertex_groups
+from .prefs import get_addon_prefs
 
 class EASYWEIGHT_OT_wp_context_menu(bpy.types.Operator):
     """ Custom Weight Paint context menu """
@@ -9,10 +9,6 @@ class EASYWEIGHT_OT_wp_context_menu(bpy.types.Operator):
     bl_label = "Custom Weight Paint Context Menu"
     bl_options = {'REGISTER'}
 
-    def update_clean_weights(self, context):
-        context.scene['clean_weights'] = self.clean_weights
-        WeightCleaner.cleaner_active = context.scene['clean_weights']
-
     def update_front_faces(self, context):
         for b in bpy.data.brushes:
             if not b.use_paint_weight:
@@ -35,8 +31,6 @@ class EASYWEIGHT_OT_wp_context_menu(bpy.types.Operator):
                     b.cursor_color_add[i] = (
                         0.5 if self.falloff_shape == 'SPHERE' else 2.0)
 
-    clean_weights: BoolProperty(
-        name="Clean Weights", description="Run the Clean Vertex Groups operator after every weight brush stroke", update=update_clean_weights)
     front_faces: BoolProperty(
         name="Front Faces Only", description="Toggle the Front Faces Only setting for all weight brushes", update=update_front_faces)
     accumulate: BoolProperty(
@@ -121,10 +115,12 @@ class EASYWEIGHT_OT_wp_context_menu(bpy.types.Operator):
         tool_settings = context.tool_settings
         layout.label(text="Weight Paint settings")
 
+        prefs = get_addon_prefs(context)
+
         row = layout.row()
         row.prop(tool_settings, "use_auto_normalize",
                  text="Auto Normalize", toggle=True)
-        row.prop(self, "clean_weights", toggle=True)
+        row.prop(prefs, "auto_clean_weights", toggle=True)
         row.prop(tool_settings, "use_multipaint",
                  text="Multi-Paint", toggle=True)
         row = layout.row()
@@ -171,6 +167,7 @@ class EASYWEIGHT_OT_wp_context_menu(bpy.types.Operator):
         active_brush = context.tool_settings.weight_paint.brush
         self.front_faces = active_brush.use_frontface
         self.falloff_shape = active_brush.falloff_shape
+        self.accumulate = active_brush.use_accumulate
         if 'clean_weights' not in context.scene:
             context.scene['clean_weights'] = False
         self.clean_weights = context.scene['clean_weights']
@@ -183,55 +180,10 @@ class EASYWEIGHT_OT_wp_context_menu(bpy.types.Operator):
         return {'FINISHED'}
 
 
-class WeightCleaner:
-    """Run bpy.ops.object.vertex_group_clean on every depsgraph update while in weight paint mode (ie. every brush stroke)."""
-    # Most of the code is simply responsible for avoiding infinite looping depsgraph updates.
-    # Flag set by the user via the custom WP context menu.
-    cleaner_active = False
-
-    # Flag set in post_depsgraph_update, to indicate to pre_depsgraph_update that the depsgraph update has indeed completed.
-    can_clean = True
-    # Flag set by pre_depsgraph_update to indicate to post_depsgraph_update that the cleanup operator is still running (in a different thread).
-    cleaning_in_progress = False
-
-    @classmethod
-    def clean_weights(cls, scene, depsgraph):
-        if bpy.context.mode != 'PAINT_WEIGHT':
-            return
-        if not bpy.context or not hasattr(bpy.context, 'object') or not bpy.context.object:
-            return
-        if not cls.cleaner_active:
-            return
-        if cls.can_clean:
-            cls.can_clean = False
-            cls.cleaning_in_progress = True
-            # This will trigger a depsgraph update, and therefore clean_weights, again.
-            bpy.ops.object.vertex_group_clean(
-                group_select_mode='ALL', limit=0.001)
-            cls.cleaning_in_progress = False
-
-    @classmethod
-    def reset_flag(cls, scene, depsgraph):
-        if bpy.context.mode != 'PAINT_WEIGHT':
-            return
-        if not bpy.context or not hasattr(bpy.context, 'object') or not bpy.context.object:
-            return
-        if cls.cleaning_in_progress:
-            return
-        if not cls.cleaner_active:
-            return
-        cls.can_clean = True
-
-
 def draw_menu_entry(self, context):
     self.layout.operator(EASYWEIGHT_OT_wp_context_menu.bl_idname)
 
 
-@persistent
-def start_cleaner(scene, depsgraph):
-    bpy.app.handlers.depsgraph_update_pre.append(WeightCleaner.clean_weights)
-    bpy.app.handlers.depsgraph_update_post.append(WeightCleaner.reset_flag)
-
 registry = [
     EASYWEIGHT_OT_wp_context_menu
 ]
@@ -243,13 +195,10 @@ def register():
         description="Hide options that are less frequently used", 
         default=False
     )
-    start_cleaner(None, None)
-    bpy.app.handlers.load_post.append(start_cleaner)
 
     bpy.types.VIEW3D_MT_paint_weight.append(draw_menu_entry)
 
 def unregister():
     del bpy.types.Scene.easyweight_minimal
-    bpy.app.handlers.load_post.remove(start_cleaner)
 
     bpy.types.VIEW3D_MT_paint_weight.remove(draw_menu_entry)