Fixed decorator for mixed snaping

src/bonsai/bonsai/bim/module/model/decorator.py

@@ -477,15 +477,24 @@ class WallPolylineDecorator:
         gpu.state.point_size_set(10)
 
         snap_prop = context.scene.BIMModelProperties.snap_mouse_point[0]
-        default_container_elevation = tool.Ifc.get_object(tool.Root.get_default_container()).location.z
-
         # Point related to the mouse
         mouse_point = [Vector((snap_prop.x, snap_prop.y, snap_prop.z))]
+
+        try:
+            snap_ref = context.scene.BIMModelProperties.snap_mouse_ref[0]
+            ref_point = [Vector((snap_ref.x, snap_ref.y, snap_ref.z))]
+        except:
+            ref_point = None
+
         if snap_prop.snap_type in ["Face", "Plane"]:
             self.draw_batch("POINTS", mouse_point, decorator_color_unselected)
         else:
             self.draw_batch("POINTS", mouse_point, (1.0, 0.6, 0.0, 1.0))
 
+        if ref_point:
+            self.draw_batch("POINTS", ref_point, (1.0, 0.6, 0.0, 1.0))
+
+        default_container_elevation = tool.Ifc.get_object(tool.Root.get_default_container()).location.z
         projection_point = []
         if self.use_default_container:
             # When a point is above the plane it projects the point

src/bonsai/bonsai/bim/module/model/prop.py

@@ -204,6 +204,7 @@ class BIMModelProperties(PropertyGroup):
     type_name: bpy.props.StringProperty(name="Name", default="TYPEX")
     boundary_class: bpy.props.EnumProperty(items=get_boundary_class, name="Boundary Class")
     snap_mouse_point: bpy.props.CollectionProperty(type=SnapMousePoint)
+    snap_mouse_ref: bpy.props.CollectionProperty(type=SnapMousePoint)
     polyline_point: bpy.props.CollectionProperty(type=PolylinePoint)
 
 

src/bonsai/bonsai/bim/module/model/wall.py

@@ -528,6 +528,7 @@ class DrawPolylineWall(bpy.types.Operator):
                 self.is_input_on = False
                 self.input_type = "OFF"
                 WallPolylineDecorator.set_input_panel(self.input_panel, self.input_type)
+                tool.Snap.clear_snaping_ref()
                 tool.Blender.update_viewport()
             else:
                 self.mousemove_count = 0

src/bonsai/bonsai/tool/snap.py

@@ -104,6 +104,22 @@ class Snap(bonsai.core.tool.Snap):
         snap_vertex.z = snap_point[2]
         snap_vertex.snap_type = snap_type
 
+    @classmethod
+    def update_snaping_ref(cls, snap_point, snap_type):
+        try:
+            snap_vertex = bpy.context.scene.BIMModelProperties.snap_mouse_ref[0]
+        except:
+            snap_vertex = bpy.context.scene.BIMModelProperties.snap_mouse_ref.add()
+
+        snap_vertex.x = snap_point[0]
+        snap_vertex.y = snap_point[1]
+        snap_vertex.z = snap_point[2]
+        snap_vertex.snap_type = snap_type
+
+    @classmethod
+    def clear_snaping_ref(cls):
+        bpy.context.scene.BIMModelProperties.snap_mouse_ref.clear()
+
     @classmethod
     def insert_polyline_point(cls, x=None, y=None, z=None):
         snap_vertex = bpy.context.scene.BIMModelProperties.snap_mouse_point[0]
@@ -227,7 +243,7 @@ class Snap(bonsai.core.tool.Snap):
         else:
             best_result = result_2
 
-        return best_result, "Axis"
+        return best_result, "Mix"
 
         # except Exception as e:
         # cls.update_snaping_point(snap_point[0], snap_point[1])
@@ -334,6 +350,7 @@ class Snap(bonsai.core.tool.Snap):
             if event.shift:
                 snap_result, snap_type = cls.mix_snap_and_axis(snap_point, axis_start, axis_end, elevation)
                 cls.update_snaping_point(snap_result, snap_type)
+                cls.update_snaping_ref(snap_point[0], snap_point[1])
             else:
                 cls.update_snaping_point(snap_point[0], snap_point[1])
         elif rot_intersection: