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add_empty_as_parent.py 3.67 KiB
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  • # GPL # Original Author Liero #
    
    import bpy
    
    from bpy.types import Operator
    from bpy.props import (
            StringProperty,
            BoolProperty,
            EnumProperty,
            )
    
    def centro(sel):
        x = sum([obj.location[0] for obj in sel]) / len(sel)
        y = sum([obj.location[1] for obj in sel]) / len(sel)
        z = sum([obj.location[2] for obj in sel]) / len(sel)
        return (x, y, z)
    
    
    class P2E(Operator):
        bl_idname = "object.parent_to_empty"
        bl_label = "Parent to Empty"
        bl_description = "Parent selected objects to a new Empty"
        bl_options = {"REGISTER", "UNDO"}
    
    
        nombre: StringProperty(
    
                        name="",
                        default='OBJECTS',
                        description='Give the empty / group a name'
                        )
    
        grupo: BoolProperty(
    
                        name="Create Group",
                        default=False,
                        description="Also add objects to a group"
                        )
    
        locat: EnumProperty(
    
                        name='',
                        items=[('CURSOR', 'Cursor', 'Cursor'), ('ACTIVE', 'Active', 'Active'),
                               ('CENTER', 'Center', 'Selection Center')],
                        description='Empty location',
                        default='CENTER'
                       )
    
        renom: BoolProperty(
    
                        name="Add Prefix",
                        default=False,
                        description="Add prefix to objects name"
                        )
    
    
        @classmethod
        def poll(cls, context):
    
            objs = context.selected_objects
            return (len(objs) > 0)
    
    
        def draw(self, context):
            layout = self.layout
    
            layout.prop(self, "nombre")
    
            column = layout.column(align=True)
    
            column.prop(self, "locat")
            column.prop(self, "grupo")
            column.prop(self, "renom")
    
    
        def execute(self, context):
    
            objs = context.selected_objects
            act = context.object
            sce = context.scene
    
    
            try:
                bpy.ops.object.mode_set()
            except:
                pass
    
    
            if self.locat == 'CURSOR':
                loc = sce.cursor_location
            elif self.locat == 'ACTIVE':
                loc = act.location
    
                loc = centro(objs)
    
            bpy.ops.object.add(type='EMPTY', location=loc)
    
            context.object.name = self.nombre
            context.object.show_name = True
    
            context.object.show_in_front = True
    
            if self.grupo:
    
                bpy.ops.collection.create(name=self.nombre)
                bpy.ops.collection.objects_add_active()
    
            for o in objs:
    
                o.select_set(True)
    
                if not o.parent:
    
                    bpy.ops.object.parent_set(type='OBJECT')
    
                if self.grupo:
    
                    bpy.ops.collection.objects_add_active()
    
                o.select_set(False)
    
            for o in objs:
    
                    o.name = self.nombre + '_' + o.name
    
    class PreFix(Operator):
        bl_idname = "object.toggle_prefix"
        bl_label = "Toggle Sufix"
        bl_description = "Toggle parent name as sufix for c"
        bl_options = {"REGISTER", "UNDO"}
    
            act = context.object
    
            return (act and act.type == 'EMPTY')
    
        def execute(self, context):
    
            act = context.object
    
            prefix = act.name + '_'
    
            remove = False
            for o in objs:
                if o.name.startswith(prefix):
                    remove = True
                    break
    
    
            if remove is True:
    
                for o in objs:
                    if o.name.startswith(prefix):
                        o.name = o.name.partition(prefix)[2]
            else:
                for o in objs:
    
                    o.name = prefix + o.name