IfcOpenShell/src/bonsai/bonsai/bim/module/model/slab.py

# Bonsai - OpenBIM Blender Add-on
# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
#
# This file is part of Bonsai.
#
# Bonsai 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.
#
# Bonsai 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 Bonsai.  If not, see <http://www.gnu.org/licenses/>.

import bpy
import json
import bmesh
import ifcopenshell
import ifcopenshell.api
import ifcopenshell.api.geometry
import ifcopenshell.api.material
import ifcopenshell.api.pset
import ifcopenshell.api.type
import ifcopenshell.util.element
import ifcopenshell.util.placement
import ifcopenshell.util.representation
import ifcopenshell.util.unit
import ifcopenshell.util.type
import bonsai.core.type
import bonsai.core.geometry
import bonsai.core.root
import bonsai.tool as tool
from bonsai.bim.ifc import IfcStore
from math import cos, sin, pi, acos, degrees
from mathutils import Vector, Matrix
from bonsai.bim.module.model.decorator import ProfileDecorator, PolylineDecorator, ProductDecorator
from bonsai.bim.module.model.polyline import PolylineOperator
from typing import Optional


class DumbSlabGenerator:
    def __init__(self, relating_type: ifcopenshell.entity_instance):
        self.relating_type = relating_type

    def generate(self, insertion_type="CURSOR"):
        self.file = tool.Ifc.get()
        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
        thicknesses = []
        for rel in self.relating_type.HasAssociations:
            if rel.is_a("IfcRelAssociatesMaterial"):
                material = rel.RelatingMaterial
                if material.is_a("IfcMaterialLayerSet"):
                    thicknesses = [l.LayerThickness for l in material.MaterialLayers]
                    break
        if not sum(thicknesses):
            return

        self.body_context = ifcopenshell.util.representation.get_context(tool.Ifc.get(), "Model", "Body", "MODEL_VIEW")
        self.footprint_context = ifcopenshell.util.representation.get_context(
            tool.Ifc.get(), "Plan", "FootPrint", "SKETCH_VIEW"
        )

        props = tool.Model.get_model_props()

        self.polyline = None
        self.container = None
        self.container_obj = None
        if container := tool.Root.get_default_container():
            self.container = container
            self.container_obj = tool.Ifc.get_object(container)

        self.depth = sum(thicknesses) * self.unit_scale
        self.width = 3
        self.length = 3
        self.rotation = 0
        self.location = Vector((0, 0, 0))
        self.x_angle = 0 if tool.Cad.is_x(props.x_angle, 0, tolerance=0.001) else props.x_angle

        if insertion_type == "POLYLINE":
            return self.derive_from_polyline()
        elif insertion_type == "WALLS":
            return self.derive_from_walls()
        elif insertion_type == "CURSOR":
            return self.derive_from_cursor()

    def derive_from_polyline(self):
        polyline_props = tool.Model.get_polyline_props()
        polyline_data = polyline_props.insertion_polyline
        polyline_points = polyline_data[0].polyline_points if polyline_data else []
        self.location = Vector((polyline_points[0].x, polyline_points[0].y, self.container_obj.location.z))
        self.polyline = [tuple(Vector((p.x, p.y, 0.0)) - self.location) for p in polyline_points]

        if len(self.polyline) <= 2:
            return

        # Always assume a closed polyline
        if self.polyline[0] != self.polyline[-1]:
            self.polyline.append(self.polyline[0])

        return self.create_slab()

    def derive_from_cursor(self):
        self.location = bpy.context.scene.cursor.location
        return self.create_slab()

    def derive_from_walls(self):
        walls = tool.Model.get_connected_walls(bpy.context.selected_objects)
        polyline_points = []
        poly = tool.Model.get_polygons_from_wall_axis(walls)
        polyline_points = [tuple([v for v in c]) for c in poly.exterior.coords]

        self.location = Vector((polyline_points[0][0], polyline_points[0][1], self.container_obj.location.z))
        self.polyline = [tuple(Vector((p[0], p[1], 0.0)) - self.location) for p in polyline_points]

        if len(self.polyline) <= 2:
            return

        # Always assume a closed polyline
        if self.polyline[0] != self.polyline[-1]:
            self.polyline.append(self.polyline[0])

        return self.create_slab()

    def create_slab(self):
        ifc_classes = ifcopenshell.util.type.get_applicable_entities(self.relating_type.is_a(), self.file.schema)
        # Standard cases are deprecated, so let's cull them
        ifc_class = next(c for c in ifc_classes if "StandardCase" not in c)

        mesh = bpy.data.meshes.new("Dummy")
        obj = bpy.data.objects.new(tool.Model.generate_occurrence_name(self.relating_type, ifc_class), mesh)

        matrix_world = Matrix()
        matrix_world.translation = self.location
        if self.container_obj:
            matrix_world.translation.z = self.container_obj.location.z
        else:
            matrix_world.translation.z
        obj.matrix_world = matrix_world
        bpy.context.view_layer.update()

        element = bonsai.core.root.assign_class(
            tool.Ifc,
            tool.Collector,
            tool.Root,
            obj=obj,
            ifc_class=ifc_class,
            should_add_representation=False,
        )
        ifcopenshell.api.type.assign_type(self.file, related_objects=[element], relating_type=self.relating_type)

        bonsai.core.geometry.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj)
        representation = ifcopenshell.api.geometry.add_slab_representation(
            tool.Ifc.get(),
            context=self.body_context,
            depth=self.depth,
            x_angle=self.x_angle,
            polyline=self.polyline,
        )
        ifcopenshell.api.geometry.assign_representation(tool.Ifc.get(), product=element, representation=representation)

        bonsai.core.geometry.switch_representation(
            tool.Ifc,
            tool.Geometry,
            obj=obj,
            representation=representation,
        )
        obj.matrix_world = obj.matrix_world @ Matrix.Rotation(self.x_angle, 4, "X")

        if self.footprint_context:
            extrusion = tool.Model.get_extrusion(representation)
            if extrusion.SweptArea.is_a("IfcArbitraryClosedProfileDef"):
                curves = [extrusion.SweptArea.OuterCurve]
                if extrusion.SweptArea.is_a("IfcArbitraryProfileDefWithVoids"):
                    curves.extend(extrusion.SweptArea.InnerCurves)
                representation = ifcopenshell.api.geometry.add_footprint_representation(
                    tool.Ifc.get(),
                    context=self.footprint_context,
                    curves=curves,
                )
                ifcopenshell.api.geometry.assign_representation(
                    tool.Ifc.get(), product=element, representation=representation
                )

        pset = ifcopenshell.api.pset.add_pset(self.file, product=element, name="EPset_Parametric")
        ifcopenshell.api.pset.edit_pset(self.file, pset=pset, properties={"Engine": "Bonsai.DumbLayer3"})
        material = ifcopenshell.util.element.get_material(element)
        material.LayerSetDirection = "AXIS3"
        tool.Blender.select_object(obj)
        return obj


class DumbSlabPlaner:
    def regenerate_from_layer_set_usage(self, usecase_path, ifc_file, settings):
        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(ifc_file)
        obj = bpy.context.active_object
        element = tool.Ifc.get_entity(obj)

        # Called from material.add_layer or material.remove_layer
        material = ifcopenshell.util.element.get_material(element)
        material_set_usage = tool.Ifc.get().by_id(material.id())
        if not getattr(material_set_usage, "ForLayerSet", False):
            return
        layer_set = material_set_usage.ForLayerSet

        total_thickness = sum([l.LayerThickness for l in layer_set.MaterialLayers])
        if not total_thickness:
            return

        self.change_thickness(element, total_thickness)

    def regenerate_from_layer(self, layer: ifcopenshell.entity_instance) -> None:
        for layer_set in layer.ToMaterialLayerSet:
            self.regenerate_from_layer_set(layer_set)

    def regenerate_from_layer_set(self, layer_set: ifcopenshell.entity_instance) -> None:
        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
        total_thickness = sum([l.LayerThickness for l in layer_set.MaterialLayers])
        if not total_thickness:
            return

        for inverse in tool.Ifc.get().get_inverse(layer_set):
            if not inverse.is_a("IfcMaterialLayerSetUsage") or inverse.LayerSetDirection != "AXIS3":
                continue

            if tool.Ifc.get().schema == "IFC2X3":
                for rel in tool.Ifc.get().get_inverse(inverse):
                    if not rel.is_a("IfcRelAssociatesMaterial"):
                        continue
                    for element in rel.RelatedObjects:
                        self.change_thickness(element, total_thickness, preserve_offset=True)
            else:
                for rel in inverse.AssociatedTo:
                    for element in rel.RelatedObjects:
                        self.change_thickness(element, total_thickness, preserve_offset=True)

    def regenerate_from_type(self, usecase_path, ifc_file, settings):
        relating_type = settings["relating_type"]

        new_material = ifcopenshell.util.element.get_material(relating_type)
        if not new_material or not new_material.is_a("IfcMaterialLayerSet"):
            return

        parametric = ifcopenshell.util.element.get_psets(settings["relating_type"]).get("EPset_Parametric")
        layer_set_direction = None
        if parametric:
            layer_set_direction = parametric.get("LayerSetDirection", layer_set_direction)
        new_thickness = sum([l.LayerThickness for l in new_material.MaterialLayers])

        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(ifc_file)
        for related_object in settings["related_objects"]:
            self._regenerate_from_type(related_object, layer_set_direction, new_thickness)

    def _regenerate_from_type(
        self, related_object: ifcopenshell.entity_instance, layer_set_direction: Optional[str], new_thickness: float
    ) -> None:
        obj = tool.Ifc.get_object(related_object)
        if not obj or not tool.Geometry.get_active_representation(obj):
            return

        material = ifcopenshell.util.element.get_material(related_object)
        if not material or not material.is_a("IfcMaterialLayerSetUsage"):
            return
        if layer_set_direction:
            material.LayerSetDirection = layer_set_direction
        if material.LayerSetDirection == "AXIS3":
            self.change_thickness(related_object, new_thickness)

    def regenerate_from_occurence(self, element, material_set_usage):
        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
        layer_set = material_set_usage.ForLayerSet
        total_thickness = sum([l.LayerThickness for l in layer_set.MaterialLayers])
        if not total_thickness:
            return
        self.change_thickness(element, total_thickness)

    def change_thickness(
        self, element: ifcopenshell.entity_instance, thickness: float, preserve_offset: bool = False
    ) -> None:
        if tool.Model.get_usage_type(element) != "LAYER3":
            return

        layer_params = tool.Model.get_material_layer_parameters(element)
        ifc_file = tool.Ifc.get()
        body_context = ifcopenshell.util.representation.get_context(tool.Ifc.get(), "Model", "Body", "MODEL_VIEW")
        obj = tool.Ifc.get_object(element)
        if not obj:
            return

        if thickness == 0:
            return

        custom_offset = tool.Model.get_material_layer_custom_offset(element, obj)
        layer_offset = (custom_offset * self.unit_scale) if custom_offset is not None else layer_params["offset"]

        representation = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
        if representation:
            extrusion = tool.Model.get_extrusion(representation)
            if extrusion:
                direction_ratios = Vector(extrusion.ExtrudedDirection.DirectionRatios)

                # Calculate the actual extrusion angle from vertical
                extrusion_angle = 0
                if direction_ratios.length > 0:
                    cos_angle = direction_ratios.normalized().dot(Vector((0, 0, 1)))
                    extrusion_angle = acos(min(max(cos_angle, -1), 1))

                # Only apply 1/cos factor when there's actual extrusion slope
                if extrusion_angle > 1e-6:
                    perpendicular_depth = thickness * abs(1 / cos(extrusion_angle))
                    perpendicular_offset = layer_offset * abs(1 / cos(extrusion_angle))
                else:
                    perpendicular_depth = thickness
                    perpendicular_offset = layer_offset

                extrusion.Depth = perpendicular_depth

                # Update position
                ifc_position = extrusion.Position

                if direction_ratios.length > 0:
                    offset_vector = direction_ratios.normalized() * perpendicular_offset
                    position = offset_vector

                    material = ifcopenshell.util.element.get_material(element)
                    if material and material.is_a("IfcMaterialLayerSetUsage"):
                        # Only set offset if not preserving it (preserves independent offsets per instance)
                        if not preserve_offset:
                            material.OffsetFromReferenceLine = position.z

                    if ifc_position:
                        ifc_position.Location.Coordinates = position
                    else:
                        tool.Model.add_extrusion_position(extrusion, position)

            bonsai.core.geometry.switch_representation(
                tool.Ifc,
                tool.Geometry,
                obj=obj,
                representation=representation,
            )
        else:
            props = tool.Model.get_model_props()
            x_angle = 0 if tool.Cad.is_x(props.x_angle, 0, tolerance=0.001) else props.x_angle
            representation = ifcopenshell.api.geometry.add_slab_representation(
                tool.Ifc.get(),
                context=body_context,
                depth=thickness * self.unit_scale,
                x_angle=x_angle,
            )
            ifcopenshell.api.geometry.assign_representation(
                tool.Ifc.get(), product=element, representation=representation
            )
            bonsai.core.geometry.switch_representation(
                tool.Ifc,
                tool.Geometry,
                obj=obj,
                representation=representation,
            )

    def update_extrusion_direction(
        element: ifcopenshell.entity_instance, new_direction_ratios: tuple, obj: bpy.types.Object = None
    ) -> None:
        """
        Update extrusion direction while preserving overall object orientation.

        Args:
            element: The IFC element
            new_direction_ratios: New extrusion direction ratios (x,y,z)
            obj: Optional Blender object (will be fetched if not provided)
        """
        if not obj:
            obj = tool.Ifc.get_object(element)
            if not obj:
                return

        representation = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
        if not representation:
            return

        extrusion = tool.Model.get_extrusion(representation)
        if not extrusion:
            return

        # Get current extrusion direction
        old_direction = Vector(extrusion.ExtrudedDirection.DirectionRatios)
        if old_direction.length == 0:
            old_direction = Vector((0, 0, 1))  # Default

        new_direction = Vector(new_direction_ratios)
        if new_direction.length == 0:
            new_direction = Vector((0, 0, 1))  # Default

        # Normalize both directions
        old_direction_normalized = old_direction.normalized()
        new_direction_normalized = new_direction.normalized()

        # Store current object matrix
        old_matrix = obj.matrix_world.copy()

        # Calculate the rotation needed to keep same orientation
        # When extrusion direction changes from A to B relative to local coordinates,
        # we need to rotate the object by the inverse of that change

        # Calculate rotation from old to new direction
        rotation_axis = old_direction_normalized.cross(new_direction_normalized)
        if rotation_axis.length > 1e-6:
            rotation_axis.normalized()
            dot_product = old_direction_normalized.dot(new_direction_normalized)
            angle = acos(min(max(dot_product, -1), 1))

            # Apply INVERSE rotation to object to compensate
            rotation_matrix = Matrix.Rotation(-angle, 4, rotation_axis)

            # Update object rotation
            obj.matrix_world = old_matrix @ rotation_matrix
            bpy.context.view_layer.update()

        # Update extrusion direction (keeping magnitude)
        if old_direction.length > 0:
            # Preserve the magnitude of the original direction vector
            magnitude = old_direction.length
            new_direction = new_direction_normalized * magnitude

        extrusion.ExtrudedDirection.DirectionRatios = tuple(new_direction)

        # Update depth based on new extrusion angle
        extrusion_angle = 0
        if new_direction.length > 0:
            cos_angle = new_direction_normalized.dot(Vector((0, 0, 1)))
            extrusion_angle = acos(min(max(cos_angle, -1), 1))

        # Get current depth (perpendicular depth)
        current_perpendicular_depth = extrusion.Depth

        # If we have material layer info, calculate actual thickness
        material = ifcopenshell.util.element.get_material(element)
        actual_thickness = current_perpendicular_depth
        if material and material.is_a("IfcMaterialLayerSetUsage"):
            layer_set = material.ForLayerSet
            actual_thickness = sum([l.LayerThickness for l in layer_set.MaterialLayers])
            unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
            actual_thickness *= unit_scale

        # Convert to perpendicular depth if needed
        if extrusion_angle > 1e-6:
            new_perpendicular_depth = actual_thickness * abs(1 / cos(extrusion_angle))
        else:
            new_perpendicular_depth = actual_thickness

        extrusion.Depth = new_perpendicular_depth

        # Update position offset if needed
        if extrusion.Position:
            # Recalculate offset based on new direction
            material = ifcopenshell.util.element.get_material(element)
            if material and material.is_a("IfcMaterialLayerSetUsage"):
                offset = material.OffsetFromReferenceLine
                if extrusion_angle > 1e-6:
                    perpendicular_offset = offset * abs(1 / cos(extrusion_angle))
                else:
                    perpendicular_offset = offset

                offset_vector = new_direction_normalized * perpendicular_offset
                extrusion.Position.Location.Coordinates = tuple(offset_vector)


class EnableEditingSketchExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.enable_editing_sketch_extrusion_profile"
    bl_label = "Enable Editing Sketch Extrusion Profile"
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.selected_objects

    def _execute(self, context):
        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
        obj = context.active_object
        element = tool.Ifc.get_entity(obj)

        pset = ifcopenshell.util.element.get_psets(element).get("EPset_Parametric", None)
        if pset and pset["Engine"] == "CADSketcher" and pset["Entities"]:
            context.scene["sketcher"].update(json.loads(pset["Entities"]))
            bpy.context.view_layer.update()
            bpy.ops.wm.tool_set_by_id(name="sketcher.slvs_select")
            bpy.ops.view3d.slvs_set_all_constraints_visibility(visibility="SHOW")
            return {"FINISHED"}

        body = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
        extrusion = tool.Model.get_extrusion(body)
        profile = extrusion.SweptArea
        if extrusion.Position:
            position = Matrix(ifcopenshell.util.placement.get_axis2placement(extrusion.Position).tolist())
            position.matrix_world.translation *= self.unit_scale
        else:
            position = Matrix()

        z_values = [v[2] for v in obj.bound_box]

        element = tool.Ifc.get_entity(obj)
        entities = context.scene.sketcher.entities
        entities.ensure_origin_elements(context)

        origin = entities.add_point_3d(obj.matrix_world @ Vector((0, 0, max(z_values))))
        origin.fixed = True
        origin.origin = True
        normal = entities.add_normal_3d(obj.matrix_world.to_quaternion())
        normal.fixed = True
        normal.origin = True

        wp = entities.add_workplane(origin, normal)
        sketch = entities.add_sketch(wp)

        self.vertices = []
        self.edges = []
        self.arcs = []
        self.circles = []

        profile = extrusion.SweptArea
        if profile.is_a("IfcArbitraryClosedProfileDef"):
            self.process_curve(obj, position, profile.OuterCurve)
            if profile.is_a("IfcArbitraryProfileDefWithVoids"):
                for inner_curve in profile.InnerCurves:
                    self.process_curve(obj, position, inner_curve)

        points = []

        for vertex in self.vertices:
            points.append(context.scene.sketcher.entities.add_point_2d(vertex.to_2d(), sketch))
        for edge in self.edges:
            context.scene.sketcher.entities.add_line_2d(points[edge[0]], points[edge[1]], sketch)

        bpy.ops.view3d.slvs_set_active_sketch(index=sketch.slvs_index)
        return {"FINISHED"}

    def process_curve(self, obj, position, curve):
        offset = len(self.vertices)

        if curve.is_a("IfcPolyline"):
            total_points = len(curve.Points)
            last_index = len(curve.Points) - 1
            for i, point in enumerate(curve.Points):
                if i == last_index:
                    continue
                global_point = position @ Vector(self.convert_unit_to_si(point.Coordinates)).to_3d()
                self.vertices.append(global_point)
            self.edges.extend([(i, i + 1) for i in range(offset, len(self.vertices))])
            self.edges[-1] = (len(self.vertices) - 1, offset)  # Close the loop
        elif curve.is_a("IfcIndexedPolyCurve"):
            is_arc = False
            if curve.Segments:
                for segment in curve.Segments:
                    if len(segment[0]) == 3:  # IfcArcIndex
                        is_arc = True
                        local_point = self.convert_unit_to_si(curve.Points.CoordList[segment[0][0] - 1])
                        global_point = position @ Vector(local_point).to_3d()
                        self.vertices.append(global_point)
                        local_point = self.convert_unit_to_si(curve.Points.CoordList[segment[0][1] - 1])
                        global_point = position @ Vector(local_point).to_3d()
                        self.vertices.append(global_point)
                        self.arcs.append([len(self.vertices) - 2, len(self.vertices) - 1])
                    else:
                        local_point = self.convert_unit_to_si(curve.Points.CoordList[segment[0][0] - 1])
                        global_point = position @ Vector(local_point).to_3d()
                        self.vertices.append(global_point)
                        if is_arc:
                            self.arcs[-1].append(len(self.vertices) - 1)
                            is_arc = False
            else:
                for local_point in curve.Points.CoordList:
                    global_point = position @ Vector(self.convert_unit_to_si(local_point)).to_3d()
                    self.vertices.append(global_point)
                # Curves without segments are self closing
                del self.vertices[-1]

            self.edges.extend([(i, i + 1) for i in range(offset, len(self.vertices))])
            self.edges[-1] = (len(self.vertices) - 1, offset)  # Close the loop
        elif curve.is_a("IfcCircle"):
            center = self.convert_unit_to_si(
                Matrix(ifcopenshell.util.placement.get_axis2placement(curve.Position).tolist()).translation
            )
            radius = self.convert_unit_to_si(curve.Radius)
            self.vertices.extend(
                [
                    position @ Vector((center[0], center[1] - curve.Radius, 0.0)),
                    position @ Vector((center[0], center[1] + curve.Radius, 0.0)),
                ]
            )
            self.circles.append([offset, offset + 1])
            self.edges.append((offset, offset + 1))

    def convert_unit_to_si(self, value):
        if isinstance(value, (tuple, list)):
            return [v * self.unit_scale for v in value]
        return value * self.unit_scale


class EditSketchExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.edit_sketch_extrusion_profile"
    bl_label = "Edit Sketch Extrusion Profile"
    bl_options = {"REGISTER", "UNDO"}

    def _execute(self, context):
        obj = context.active_object
        element = tool.Ifc.get_entity(obj)

        representation = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
        extrusion = tool.Model.get_extrusion(representation)
        if extrusion.Position:
            position = Matrix(ifcopenshell.util.placement.get_axis2placement(extrusion.Position).tolist())
        else:
            position = Matrix()
        position_i = position.inverted()

        cad_sketcher = __import__("CAD_Sketcher-main")
        sketch = context.scene.sketcher.active_sketch
        converter = cad_sketcher.convertors.BezierConverter(context.scene, sketch)
        converter.run()

        profile = tool.Ifc.get().createIfcArbitraryClosedProfileDef("AREA")
        for path in converter.paths:
            points = []
            lines = path[0]
            last_index = len(lines) - 1
            for i, line in enumerate(lines):
                local_point = (position_i @ Vector(line.p1.co).to_3d()).to_2d()
                points.append(tool.Ifc.get().createIfcCartesianPoint(local_point))
            points.append(points[0])
            curve = tool.Ifc.get().createIfcPolyline(points)
        profile.OuterCurve = curve

        old_profile = extrusion.SweptArea
        extrusion.SweptArea = profile
        ifcopenshell.util.element.remove_deep2(tool.Ifc.get(), old_profile)

        pset = ifcopenshell.util.element.get_psets(element).get("EPset_Parametric", None)
        if pset:
            pset = tool.Ifc.get().by_id(pset["id"])
        else:
            pset = ifcopenshell.api.pset.add_pset(tool.Ifc.get(), product=element, name="EPset_Parametric")
        ifcopenshell.api.pset.edit_pset(
            tool.Ifc.get(),
            pset=pset,
            properties={"Engine": "CADSketcher", "Entities": json.dumps(context.scene["sketcher"].to_dict())},
        )

        bpy.ops.view3d.slvs_set_active_sketch(index=-1)
        workplane = sketch.wp
        p1 = workplane.p1
        p1.origin = False
        nm = workplane.nm
        nm.origin = False
        bpy.ops.view3d.slvs_delete_entity(index=sketch["slvs_index"])
        bpy.ops.view3d.slvs_delete_entity(index=workplane["slvs_index"])
        bpy.ops.view3d.slvs_delete_entity(index=p1["slvs_index"])
        bpy.ops.view3d.slvs_delete_entity(index=nm["slvs_index"])

        bonsai.core.geometry.switch_representation(
            tool.Ifc,
            tool.Geometry,
            obj=obj,
            representation=representation,
        )
        return {"FINISHED"}


class DisableEditingSketchExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.disable_editing_sketch_extrusion_profile"
    bl_label = "Disable Editing Sketch Extrusion Profile"
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.selected_objects

    def _execute(self, context):
        sketch = context.scene.sketcher.active_sketch
        bpy.ops.view3d.slvs_set_active_sketch(index=-1)
        workplane = sketch.wp
        p1 = workplane.p1
        p1.origin = False
        nm = workplane.nm
        nm.origin = False
        bpy.ops.view3d.slvs_delete_entity(index=sketch["slvs_index"])
        bpy.ops.view3d.slvs_delete_entity(index=workplane["slvs_index"])
        bpy.ops.view3d.slvs_delete_entity(index=p1["slvs_index"])
        bpy.ops.view3d.slvs_delete_entity(index=nm["slvs_index"])
        return {"FINISHED"}


def disable_editing_extrusion_profile(context):
    ProfileDecorator.uninstall()
    bpy.ops.object.mode_set(mode="OBJECT")

    obj = context.active_object
    element = tool.Ifc.get_entity(obj)
    body = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")

    bonsai.core.geometry.switch_representation(
        tool.Ifc,
        tool.Geometry,
        obj=obj,
        representation=body,
    )
    return {"FINISHED"}


class DisableEditingExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.disable_editing_extrusion_profile"
    bl_label = "Disable Editing Extrusion Profile"
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.selected_objects

    def _execute(self, context):
        return disable_editing_extrusion_profile(context)


class EnableEditingExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.enable_editing_extrusion_profile"
    bl_label = "Enable Editing Extrusion Profile"
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.selected_objects

    def _execute(self, context):
        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
        obj = context.active_object
        element = tool.Ifc.get_entity(obj)

        body = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
        body = ifcopenshell.util.representation.resolve_representation(body)
        extrusion = tool.Model.get_extrusion(body)
        existing_x_angle = tool.Model.get_existing_x_angle(extrusion)
        layer_params = tool.Model.get_material_layer_parameters(element)

        usage_type = tool.Model.get_usage_type(element)

        if extrusion.Position:
            position = Matrix(ifcopenshell.util.placement.get_axis2placement(extrusion.Position).tolist())
            position.translation *= self.unit_scale

            # Restore the position to before it was changed by the offset and x_angle
            rot_matrix = Matrix.Rotation(existing_x_angle, 4, "X")
            perpendicular_offset = layer_params["offset"] * abs(1 / cos(existing_x_angle))
            offset_vector = Vector((0.0, 0.0, -perpendicular_offset))
            rot_offset = offset_vector @ rot_matrix
            tranlation_matrix = Matrix.Translation(rot_offset)
            position = position @ tranlation_matrix

            # For AXIS3 with dual rotation: Reset rotation to zero so profile is horizontal
            if usage_type == "LAYER3":
                # Store original rotation for later restoration
                original_rotation_x = obj.rotation_euler.x
                obj["pre_edit_rotation_x"] = original_rotation_x

                # Reset rotation to zero - profile will be horizontal
                current_z_rot = obj.rotation_euler.z
                obj.rotation_euler.x = 0.0
                obj.rotation_euler.z = current_z_rot
            else:
                # Original behavior: Restore Object rotation to zero
                local_rot_mat = obj.rotation_euler.to_matrix()
                rot_mat = Matrix.Rotation(-existing_x_angle, 4, "X")
                new_rot_mat = local_rot_mat.to_4x4() @ rot_mat
                new_rot_euler = new_rot_mat.to_euler()
                obj.rotation_euler = new_rot_euler

        else:
            position = Matrix()

        # Import profile with correct x_angle
        if usage_type == "LAYER3":
            # For LAYER3: Use x_angle=0 and scale by cos(rotation) to get horizontal projection
            obj_x_rotation = original_rotation_x  # Use stored original rotation
            scale_factor = abs(cos(obj_x_rotation)) if abs(obj_x_rotation) > 1e-6 else 1.0

            # Import with x_angle=0
            tool.Model.import_profile(extrusion.SweptArea, obj=obj, position=position, x_angle=0)

            # Scale the Y coordinates by cos(rotation) to get horizontal projection
            bpy.ops.object.mode_set(mode="OBJECT")
            for vert in obj.data.vertices:
                vert.co.y *= scale_factor
        else:
            # For other types: Use existing_x_angle
            tool.Model.import_profile(extrusion.SweptArea, obj=obj, position=position, x_angle=existing_x_angle)

        bpy.ops.object.mode_set(mode="EDIT")
        ProfileDecorator.install(context, exit_edit_mode_callback=lambda: disable_editing_extrusion_profile(context))
        if not bpy.app.background:
            tool.Blender.set_viewport_tool("bim.cad_tool")

        return {"FINISHED"}


class EditExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.edit_extrusion_profile"
    bl_label = "Edit Extrusion Profile"
    bl_options = {"REGISTER", "UNDO"}

    def _execute(self, context):
        self.unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
        ProfileDecorator.uninstall()
        bpy.ops.object.mode_set(mode="OBJECT")

        obj = context.active_object
        element = tool.Ifc.get_entity(obj)

        body = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
        body = ifcopenshell.util.representation.resolve_representation(body)
        extrusion = tool.Model.get_extrusion(body)
        existing_x_angle = tool.Model.get_existing_x_angle(extrusion)
        layer_params = tool.Model.get_material_layer_parameters(element)
        usage_type = tool.Model.get_usage_type(element)

        if extrusion.Position:
            position = Matrix(ifcopenshell.util.placement.get_axis2placement(extrusion.Position).tolist())
            position.translation *= self.unit_scale

            # Restore the position to after it was changed by the offset and x_angle
            rot_matrix = Matrix.Rotation(existing_x_angle, 4, "X")
            perpendicular_offset = layer_params["offset"] * abs(1 / cos(existing_x_angle))
            offset_vector = Vector((0.0, 0.0, -perpendicular_offset))
            rot_offset = offset_vector @ rot_matrix
            tranlation_matrix = Matrix.Translation(rot_offset)
            position = position @ tranlation_matrix

            # Restore rotation
            if usage_type == "LAYER3":
                # Restore original rotation from before editing
                if "pre_edit_rotation_x" in obj:
                    current_z_rot = obj.rotation_euler.z
                    obj.rotation_euler.x = obj["pre_edit_rotation_x"]
                    obj.rotation_euler.z = current_z_rot
                    del obj["pre_edit_rotation_x"]
            else:
                # Original behavior
                local_rot_mat = obj.rotation_euler.to_matrix()
                rot_mat = Matrix.Rotation(existing_x_angle, 4, "X")
                new_rot_mat = local_rot_mat.to_4x4() @ rot_mat
                new_rot_euler = new_rot_mat.to_euler()
                obj.rotation_euler = new_rot_euler

        else:
            position = Matrix()

        # Export profile with correct x_angle
        if usage_type == "LAYER3":
            # Scale Y coordinates back up before exporting
            obj_x_rotation = obj.rotation_euler.x
            scale_factor = abs(cos(obj_x_rotation)) if abs(obj_x_rotation) > 1e-6 else 1.0

            # Un-scale the profile before exporting
            for vert in obj.data.vertices:
                vert.co.y /= scale_factor  # Inverse of import scaling

            profile = tool.Model.export_profile(obj, position=position, x_angle=0)
        else:
            profile = tool.Model.export_profile(obj, position=position, x_angle=existing_x_angle)

        if not profile:

            def msg(self, context):
                self.layout.label(text="INVALID PROFILE")

            bpy.context.window_manager.popup_menu(msg, title="Error", icon="ERROR")
            ProfileDecorator.install(
                context, exit_edit_mode_callback=lambda: disable_editing_extrusion_profile(context)
            )
            bpy.ops.object.mode_set(mode="EDIT")
            return

        old_profile = extrusion.SweptArea
        for inverse in tool.Ifc.get().get_inverse(old_profile):
            ifcopenshell.util.element.replace_attribute(inverse, old_profile, profile)
        ifcopenshell.util.element.remove_deep2(tool.Ifc.get(), old_profile)

        bonsai.core.geometry.switch_representation(
            tool.Ifc,
            tool.Geometry,
            obj=obj,
            representation=body,
        )

        # Only certain classes should have a footprint
        if element.is_a() not in ("IfcSlab", "IfcRamp"):
            return

        footprint_context = ifcopenshell.util.representation.get_context(
            tool.Ifc.get(), "Plan", "FootPrint", "SKETCH_VIEW"
        )
        if not footprint_context:
            return

        curves = [profile.OuterCurve]
        if profile.is_a("IfcArbitraryProfileDefWithVoids"):
            curves.extend(profile.InnerCurves)
        new_footprint = ifcopenshell.api.geometry.add_footprint_representation(
            tool.Ifc.get(), context=footprint_context, curves=curves
        )
        old_footprint = ifcopenshell.util.representation.get_representation(element, "Plan", "FootPrint", "SKETCH_VIEW")
        if old_footprint:
            for inverse in tool.Ifc.get().get_inverse(old_footprint):
                ifcopenshell.util.element.replace_attribute(inverse, old_footprint, new_footprint)
            bonsai.core.geometry.remove_representation(tool.Ifc, tool.Geometry, obj=obj, representation=old_footprint)
        else:
            ifcopenshell.api.geometry.assign_representation(
                tool.Ifc.get(), product=element, representation=new_footprint
            )

        footprint_context = ifcopenshell.util.representation.get_context(
            tool.Ifc.get(), "Plan", "FootPrint", "SKETCH_VIEW"
        )
        if not footprint_context:
            return

        curves = [profile.OuterCurve]
        if profile.is_a("IfcArbitraryProfileDefWithVoids"):
            curves.extend(profile.InnerCurves)
        new_footprint = ifcopenshell.api.geometry.add_footprint_representation(
            tool.Ifc.get(), context=footprint_context, curves=curves
        )
        old_footprint = ifcopenshell.util.representation.get_representation(element, "Plan", "FootPrint", "SKETCH_VIEW")
        if old_footprint:
            for inverse in tool.Ifc.get().get_inverse(old_footprint):
                ifcopenshell.util.element.replace_attribute(inverse, old_footprint, new_footprint)
            bonsai.core.geometry.remove_representation(tool.Ifc, tool.Geometry, obj=obj, representation=old_footprint)
        else:
            ifcopenshell.api.geometry.assign_representation(
                tool.Ifc.get(), product=element, representation=new_footprint
            )


class ResetVertex(bpy.types.Operator):
    bl_idname = "bim.reset_vertex"
    bl_label = "Reset Vertex"
    bl_description = "Reset selected vertices group assignments (e.g. remove curve/circle)."
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        obj = context.active_object
        return bool(obj) and obj.type == "MESH"

    def cancel_message(self, msg):
        self.report({"WARNING"}, msg)
        return {"CANCELLED"}

    def execute(self, context):
        obj = context.active_object
        bpy.ops.object.mode_set(mode="OBJECT")
        selected_vertices = [v.index for v in obj.data.vertices if v.select]
        for group in obj.vertex_groups:
            group.remove(selected_vertices)
        bpy.ops.object.mode_set(mode="EDIT")
        return {"FINISHED"}


class SetArcIndex(bpy.types.Operator):
    bl_idname = "bim.set_arc_index"
    bl_label = "Set Arc Index"
    bl_description = (
        "Add an IfcArcIndex based 3 point arc for the selected vertices, add a vertex group to mark the created arc."
    )
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        obj = context.active_object
        return bool(obj) and obj.type == "MESH"

    def cancel_message(self, msg):
        self.report({"ERROR"}, msg)
        return {"CANCELLED"}

    def execute(self, context):
        # NOTE: undo won't remove new verex group
        # because of jumping between modes
        obj = context.active_object

        bm = tool.Blender.get_bmesh_for_mesh(obj.data)
        selected_vertices = [v.index for v in bm.verts if v.select]
        if len(selected_vertices) != 3:
            return self.cancel_message("Select 3 vertices.")

        bpy.ops.object.mode_set(mode="OBJECT")
        group = obj.vertex_groups.new(name="IFCARCINDEX")
        group.add(selected_vertices, 1, "REPLACE")
        bpy.ops.object.mode_set(mode="EDIT")
        return {"FINISHED"}


class AddSlabFromWall(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.draw_slab_from_wall"
    bl_label = "Draw Slab From Wall"
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.space_data.type == "VIEW_3D"

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.relating_type = None
        props = tool.Model.get_model_props()
        relating_type_id = props.relating_type_id
        if relating_type_id:
            self.relating_type = tool.Ifc.get().by_id(int(relating_type_id))

    def _execute(self, context):
        if not self.relating_type:
            return {"FINISHED"}
        walls = tool.Model.get_connected_walls(bpy.context.selected_objects)
        if not walls:
            self.report(
                {"WARNING"},
                "Please select a closed loop of walls, or deselect the walls to add a slab using the polyline tool.",
            )
            return {"FINISHED"}

        DumbSlabGenerator(self.relating_type).generate("WALLS")
        return {"FINISHED"}


class DrawPolylineSlab(bpy.types.Operator, PolylineOperator, tool.Ifc.Operator):
    bl_idname = "bim.draw_polyline_slab"
    bl_label = "Draw Polyline Slab"
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.space_data.type == "VIEW_3D"

    def __init__(self, *args, **kwargs):
        bpy.types.Operator.__init__(self, *args, **kwargs)
        PolylineOperator.__init__(self)
        self.relating_type = None
        props = tool.Model.get_model_props()
        relating_type_id = props.relating_type_id
        if relating_type_id:
            self.relating_type = tool.Ifc.get().by_id(int(relating_type_id))

    def create_slab_from_polyline(self, context):
        if not self.relating_type:
            return {"FINISHED"}

        slab = DumbSlabGenerator(self.relating_type).generate("POLYLINE")
        if not slab:
            return

        model_props = tool.Model.get_model_props()
        direction_sense = model_props.direction_sense
        offset = model_props.offset
        model = tool.Ifc.get()
        element = tool.Ifc.get_entity(slab)
        material = ifcopenshell.util.element.get_material(element)
        material_set_usage = model.by_id(material.id())
        if not getattr(material_set_usage, "ForLayerSet", False):
            return
        attributes = {"OffsetFromReferenceLine": offset, "DirectionSense": direction_sense}
        ifcopenshell.api.material.edit_layer_usage(
            model,
            usage=material_set_usage,
            attributes=attributes,
        )
        DumbSlabPlaner().regenerate_from_occurence(element, material_set_usage)

    def modal(self, context, event):
        return IfcStore.execute_ifc_operator(self, context, event, method="MODAL")

    def _modal(self, context, event):
        if not self.relating_type:
            self.report({"WARNING"}, "You need to select a slab type.")
            PolylineDecorator.uninstall()
            tool.Blender.update_viewport()
            return {"FINISHED"}

        PolylineDecorator.update(event, self.tool_state, self.input_ui, self.snapping_points[0])
        tool.Blender.update_viewport()

        self.handle_lock_axis(context, event)

        if event.type in {"MIDDLEMOUSE", "WHEELUPMOUSE", "WHEELDOWNMOUSE"}:
            self.handle_mouse_move(context, event)
            return {"PASS_THROUGH"}

        props = tool.Model.get_model_props()
        if event.value == "RELEASE" and event.type == "F":
            direction_sense = props.direction_sense
            props.direction_sense = "NEGATIVE" if direction_sense == "POSITIVE" else "POSITIVE"

        if event.value == "RELEASE" and event.type == "O":
            items = ["TOP", "CENTER", "BOTTOM"]
            index = items.index(props.offset_type_horizontal)
            size = len(items)
            props.offset_type_horizontal = items[((index + 1) % size)]
            self.set_offset(context, self.relating_type)

        custom_instructions = {"Choose Axis": {"icons": True, "keys": ["EVENT_X", "EVENT_Y"]}}

        slab_config = [
            f"Direction: {props.direction_sense}",
            f"Offset Type: {props.offset_type_horizontal}",
            f"Offset Value: {tool.Polyline.format_input_ui_units(props.offset * self.unit_scale)}",
        ]

        self.handle_instructions(context, custom_instructions, slab_config)

        self.handle_mouse_move(context, event, should_round=True)

        self.choose_axis(event)

        self.handle_snap_selection(context, event)

        if (
            not self.tool_state.is_input_on
            and event.value == "RELEASE"
            and event.type in {"RET", "NUMPAD_ENTER", "RIGHTMOUSE"}
        ):
            self.create_slab_from_polyline(context)
            context.workspace.status_text_set(text=None)
            ProductDecorator.uninstall()
            PolylineDecorator.uninstall()
            tool.Polyline.clear_polyline()
            tool.Blender.update_viewport()
            return {"FINISHED"}

        self.handle_keyboard_input(context, event)

        self.handle_inserting_polyline(context, event)

        self.get_product_preview_data(context, self.relating_type)

        cancel = self.handle_cancelation(context, event)
        if cancel is not None:
            ProductDecorator.uninstall()
            return cancel

        return {"RUNNING_MODAL"}

    def invoke(self, context, event):
        return IfcStore.execute_ifc_operator(self, context, event, method="INVOKE")

    def _invoke(self, context, event):
        super().invoke(context, event)
        ProductDecorator.install(context)
        self.tool_state.use_default_container = True
        self.tool_state.plane_method = "XY"
        self.set_offset(context, self.relating_type)
        return {"RUNNING_MODAL"}


class RecalculateSlab(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.recalculate_slab"
    bl_label = "Recalculate Slab"
    bl_options = {"REGISTER", "UNDO"}

    @classmethod
    def poll(cls, context):
        return context.selected_objects

    def _execute(self, context):
        walls = []
        for obj in context.selected_objects:
            element = tool.Ifc.get_entity(obj)
            if element.is_a("IfcSlab"):
                for rel in element.ConnectedTo:
                    if rel.is_a() == "IfcRelConnectsElements" and rel.RelatedElement.is_a("IfcWall"):
                        walls.append(tool.Ifc.get_object(rel.RelatedElement))

        tool.Model.recalculate_walls(walls)
        return {"FINISHED"}