From 087d3e765b6d1f39589be8bf40a40b97d2634b1e Mon Sep 17 00:00:00 2001
From: Sebastian Schneider <ssnd292@live.de>
Date: Sat, 8 Jan 2022 15:08:54 +0100
Subject: [PATCH] Added Function to divide number of Objects into linked
 Subgroups

---
 blendercadessentials/__init__.py    | 29 +++++++++++++++-
 blendercadessentials/bce_classes.py | 54 +++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+), 1 deletion(-)

diff --git a/blendercadessentials/__init__.py b/blendercadessentials/__init__.py
index 15df49b..90600b4 100644
--- a/blendercadessentials/__init__.py
+++ b/blendercadessentials/__init__.py
@@ -3,7 +3,7 @@
     "author" : "Sebastian Schneider",
     "description" : "Collection of often needed tools when working with imported CAD Data",
     "blender" : (2, 93, 0),
-    'version': (0, 1, 0),
+    'version': (0, 1, 1),
     "location" : "View3D",
     "warning" : "",
     "category" : "View3D"
@@ -51,6 +51,22 @@ class BCEProperties(PropertyGroup):
         subtype="ANGLE",
         )
 
+    maxObjectNumber: IntProperty(
+        name = "",
+        description = "Number of Maximum Objects",
+        default = 0,
+        min = 0,
+        max = 10000,
+        )
+
+    commonDenominatorInt: IntProperty(
+        name = "",
+        description = "Number of Linked Groups Wanted",
+        default = 2,
+        min = 0,
+        max = 10000,
+        )
+
 class BCE_PT_MainUI(bpy.types.Panel):
     bl_idname = "BCE_PT_MainUI"
     bl_label = "Blender CAD Essentials"
@@ -75,6 +91,15 @@ def draw(self, context):
         row = layout.row(align=True)
         row.operator('mesh.bce_resetscale' ,text="Reset Scale of Links")
 
+        layout.separator()
+        row = layout.row(align=True)
+        row.prop(bceprops, "maxObjectNumber")
+        row.prop(bceprops, "commonDenominatorInt")
+        row = layout.row(align=True)
+        row.operator('mesh.bce_resetnumbercounter' ,text="Reset Number")
+        row.operator('mesh.bce_changenumberoflinkedobjects' ,text="Relink Objects")
+        layout.separator()
+
         row = layout.row(align=True)
         row.operator('mesh.bce_addtrimodifier' ,text="Triangulate")
         
@@ -130,6 +155,8 @@ def draw(self, context):
     bce_classes.BCE_OT_MakeTrisToQuads,
     bce_classes.BCE_OT_MakeSingleUserObjectData,
     bce_classes.BCE_OT_ResetScaleForLinkedObjects,
+    bce_classes.BCE_OT_ChangedNumberOfLinkedObjects,
+    bce_classes.BCE_OT_ResetNumberCounter,
     bce_classes.BCE_OT_ConvertHardEdgesToSeams,
     bce_classes.BCE_OT_SelectUVMap01,
     bce_classes.BCE_OT_SelectUVMap02,
diff --git a/blendercadessentials/bce_classes.py b/blendercadessentials/bce_classes.py
index b30c5ef..4714b60 100644
--- a/blendercadessentials/bce_classes.py
+++ b/blendercadessentials/bce_classes.py
@@ -1,5 +1,6 @@
 import bpy
 from math import radians
+from random import sample
 from bpy.props import FloatProperty
 
 #########################################
@@ -81,6 +82,59 @@ def execute(self, context):
         self.resetscalandrelink(context)
         return{'FINISHED'}
 
+class BCE_OT_ChangedNumberOfLinkedObjects(bpy.types.Operator):
+    bl_idname = "mesh.bce_changenumberoflinkedobjects"
+    bl_label = "Reset Scale for Linked Objects"
+    bl_description = "Resets Data Links and Scale and Relinks Data"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def changenumberoflinkedobjects(self, context):
+        selection = bpy.context.selected_objects
+        bceprops = context.scene.bceprops
+        maxObjNumber = bceprops.maxObjectNumber
+        divider = bceprops.commonDenominatorInt
+       
+        if maxObjNumber == 0:
+            maxObjNumber = len(selection)
+            bceprops.maxObjectNumber = maxObjNumber
+        
+        numberOfSelections = maxObjNumber/divider
+        print("Number of Objects to Select: "+ str(numberOfSelections))
+
+        if ".0" in str(numberOfSelections):
+            newSelection = sample(selection, int(numberOfSelections))
+            print("Number of selected Objects: "+ str(len(newSelection)))
+            bpy.ops.object.select_all(action='DESELECT')
+
+            for o in newSelection:
+                o.select_set(True)
+
+            for o in newSelection:
+                bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
+                bpy.ops.object.make_single_user(type='SELECTED_OBJECTS', object=True, obdata=True)
+                bpy.ops.object.make_links_data(type='OBDATA')
+
+        else:
+            self.report({'WARNING'}, 'Your Number is not a Denominator of the whole Object Amount!')
+
+    def execute(self, context):
+        self.changenumberoflinkedobjects(context)
+        return{'FINISHED'}
+
+class BCE_OT_ResetNumberCounter(bpy.types.Operator):
+    bl_idname = "mesh.bce_resetnumbercounter"
+    bl_label = "Reset Scale for Linked Objects"
+    bl_description = "Resets Data Links and Scale and Relinks Data"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    def resetnumbercounter(self, context):
+        bceprops = context.scene.bceprops
+        bceprops.maxObjectNumber = 0
+    def execute(self, context):
+        self.resetnumbercounter(context)
+        return{'FINISHED'}
+
+
 class BCE_OT_AddFWNModifier(bpy.types.Operator):
     bl_idname = "mesh.bce_addfwnmodifier"
     bl_label = "Adds FWVN Modifier"