pdt_command.py

# ***** BEGIN GPL LICENSE BLOCK *****
#
#
# 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 2
# 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, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ***** END GPL LICENCE BLOCK *****
#
# -----------------------------------------------------------------------
# Author: Alan Odom (Clockmender), Rune Morling (ermo) Copyright (c) 2019
# -----------------------------------------------------------------------
#
import bpy
import bmesh
from bpy.types import Operator
from mathutils import Vector
from .pdt_functions import (
    debug,
    intersection,
    obj_check,
    oops,
    update_sel,
)
from .pdt_command_functions import (
    command_maths,
    vector_build,
    move_cursor_pivot,
    join_two_vertices,
    set_angle_distance_two,
    set_angle_distance_three,
    origin_to_cursor,
    taper,
    placement_normal,
    placement_centre,
    placement_intersect,
)
from .pdt_msg_strings import (
    PDT_ERR_ADDVEDIT,
    PDT_ERR_BAD3VALS,
    PDT_ERR_BADFLETTER,
    PDT_ERR_CHARS_NUM,
    PDT_ERR_DUPEDIT,
    PDT_ERR_EXTEDIT,
    PDT_ERR_FACE_SEL,
    PDT_ERR_FILEDIT,
    PDT_ERR_NON_VALID,
    PDT_ERR_NO_ACT_OBJ,
    PDT_ERR_NO_SEL_GEOM,
    PDT_ERR_SEL_1_EDGE,
    PDT_ERR_SEL_1_EDGEM,
    PDT_ERR_SEL_1_VERT,
    PDT_ERR_SPLITEDIT
)
from .pdt_bix import add_line_to_bisection
from .pdt_etof import extend_vertex
from .pdt_xall import intersect_all


def pdt_help(self, context):
    """Display PDT Command Line help in a pop-up."""
    label = self.layout.label
    label(text="Primary Letters (Available Secondary Letters):")
    label(text="")
    label(text="C: Cursor (a, d, i, p)")
    label(text="D: Duplicate Geometry (d, i)")
    label(text="E: Extrude Geometry (d, i)")
    label(text="F: Fillet (v, e)")
    label(text="G: Grab (Move) (a, d, i, p)")
    label(text="N: New Vertex (a, d, i, p)")
    label(text="M: Maths Functions (x, y, z, d, a, p)")
    label(text="P: Pivot Point (a, d, i, p)")
    label(text="V: Extrude Vertice Only (a, d, i, p)")
    label(text="S: Split Edges (a, d, i, p)")
    label(text="?: Quick Help")
    label(text="")
    label(text="Secondary Letters:")
    label(text="")
    label(text="- General Options:")
    label(text="a: Absolute (Global) Coordinates e.g. 1,3,2")
    label(text="d: Delta (Relative) Coordinates, e.g. 0.5,0,1.2")
    label(text="i: Directional (Polar) Coordinates e.g. 2.6,45")
    label(text="p: Percent e.g. 67.5")
    label(text="- Fillet Options:")
    label(text="v: Fillet Vertices")
    label(text="e: Fillet Edges")
    label(text="i: Fillet & Intersect 2 Disconnected Edges")
    label(text="- Math Options:")
    label(text="x, y, z: Send result to X, Y and Z input fields in PDT Design")
    label(text="d, a, p: Send result to Distance, Angle or Percent input field in PDT Design")
    label(text="o: Send Maths Calculation to Output")
    label(text="")
    label(text="Note that commands are case-insensitive: ED = Ed = eD = ed")
    label(text="")
    label(text="Examples:")
    label(text="")
    label(text="ed0.5,,0.6")
    label(text="'- Extrude Geometry Delta 0.5 in X, 0 in Y, 0.6 in Z")
    label(text="")
    label(text="fe0.1,4,0.5")
    label(text="'- Fillet Edges")
    label(text="'- Radius: 0.1 (float) -- the radius (or offset) of the bevel/fillet")
    label(text="'- Segments: 4 (int) -- choosing an even amount of segments gives better geometry")
    label(text="'- Profile: 0.5 (float[0.0;1.0]) -- 0.5 (default) yields a circular, convex shape")


class PDT_OT_CommandReRun(Operator):
    """Repeat Current Displayed Command."""

    bl_idname = "pdt.command_rerun"
    bl_label = "Re-run Current Command"
    bl_options = {"REGISTER", "UNDO"}

    def execute(self, context):
        """Repeat Current Command Line Input.

        Args:
            context: Blender bpy.context instance.

        Returns:
            Nothing.
        """
        command_run(self, context)
        return {"FINISHED"}


def command_run(self, context):
    """Run Command String as input into Command Line.

    Args:
        context: Blender bpy.context instance.

    Note:
        Uses pg.command, pg.error & many other 'pg.' variables to set PDT menu items,
        or alter functions

        Command Format; Operation(single letter) Mode(single letter) Values(up to 3 values
        separated by commas)

        Example; CD0.4,0.6,1.1 - Moves Cursor Delta XYZ = 0.4,0.6,1.1 from Current Position/Active
        Vertex/Object Origin

        Example; SP35 - Splits active Edge at 35% of separation between edge's vertices

        Valid First Letters (as 'operation' - pg.command[0])
            C = Cursor, G = Grab(move), N = New Vertex, V = Extrude Vertices Only,
            E = Extrude geometry, P = Move Pivot Point, D = Duplicate geometry, S = Split Edges

            Capitals and lower case letters are both allowed

        Valid Second Letters (as 'mode' - pg.command[1])

            A = Absolute XYZ, D = Delta XYZ, I = Distance at Angle, P = Percent
            X = X Delta, Y = Y, Delta Z, = Z Delta, O = Output (Maths Operation only)
            V = Vertex Bevel, E = Edge Bevel

            Capitals and lower case letters are both allowed

        Valid Values (pdt_command[2:])
            Only Integers and Floats, missing values are set to 0, appropriate length checks are
            performed as Values is split by commas.

            Example; CA,,3 - Cursor to Absolute, is re-interpreted as CA0,0,3

            Exception for Maths Operation, Values section is evaluated as Maths command

            Example; madegrees(atan(3/4)) - sets PDT Angle to smallest angle of 3,4,5 Triangle;
            (36.8699 degrees)

    Returns:
        Nothing.
    """

    scene = context.scene
    pg = scene.pdt_pg
    command = pg.command.strip()

    # Check First Letter.
    if command == "?" or command.lower() == "help":
        # fmt: off
        context.window_manager.popup_menu(pdt_help, title="PDT Command Line Help", icon="INFO")
        # fmt: on
        return
    elif command == "":
        return
    elif command.upper() == "J2V":
        join_two_vertices(context)
        return
    elif command.upper() == "AD2":
        set_angle_distance_two(context)
        return
    elif command.upper() == "AD3":
        set_angle_distance_three(context)
        return
    elif command.upper() == "OTC":
        origin_to_cursor(context)
        return
    elif command.upper() == "TAP":
        taper(self, context)
        return
    elif command.upper() == "BIS":
        add_line_to_bisection(context)
        return
    elif command.upper() == "ETF":
        extend_vertex(self, context)
        return
    elif command.upper() == "INTALL":
        intersect_all(context)
        return
    elif command.upper()[1:4] == "NML":
        placement_normal(context, command.upper()[0])
        return
    elif command.upper()[1:4] == "CEN":
        placement_centre(context, command.upper()[0])
        return
    elif command.upper()[1:4] == "INT":
        placement_intersect(context, command.upper()[0])
        return
    elif len(command) < 3:
        pg.error = PDT_ERR_CHARS_NUM
        context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
        return
    operation = command[0].upper()
    if operation not in {"C", "D", "E", "F", "G", "N", "M", "P", "V", "S"}:
        pg.error = PDT_ERR_BADFLETTER
        context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
        return
    mode = command[1].lower()

    # Check Second Letter.
    if operation == "F":
        if mode not in {"v", "e", "i"}:
            pg.error = f"'{mode}' {PDT_ERR_NON_VALID} '{operation}'"
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
    elif operation in {"D", "E"}:
        if mode not in {"d", "i"}:
            pg.error = f"'{mode}' {PDT_ERR_NON_VALID} '{operation}'"
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
    elif operation == "M":
        if mode not in {"a", "d", "i", "p", "o", "x", "y", "z"}:
            pg.error = f"'{mode}' {PDT_ERR_NON_VALID} '{operation}'"
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
    else:
         if mode not in {"a", "d", "i", "p"}:
             pg.error = f"'{mode}' {PDT_ERR_NON_VALID} '{operation}'"
             context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
             return

    # --------------
    # Maths Operation
    if operation == "M":
        command_maths(context, mode, pg, command[2:], mode)
        return

    # -----------------------------------------------------
    # Not a Maths Operation, so let's parse the command line
    values = command[2:].split(",")
    ind = 0
    for r in values:
        try:
            _ = float(r)
            good = True
        except ValueError:
            values[ind] = "0"
        ind = ind + 1
    mode_s = pg.select
    flip_a = pg.flip_angle
    flip_p = pg.flip_percent
    ext_a = pg.extend
    plane = pg.plane
    obj = context.view_layer.objects.active
    bm, good = obj_check(obj, scene, operation)
    if good:
        obj_loc = obj.matrix_world.decompose()[0]
    else:
        obj_loc = None

    if mode_s == 'SEL' and bm is not None and mode not in {"a"}:
        if len(bm.select_history) == 0:
            if len([v for v in bm.verts if v.select]) == 0:
                pg.error = PDT_ERR_NO_SEL_GEOM
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            else:
                verts = [v for v in bm.verts if v.select]
        else:
            verts = bm.select_history
    else:
        verts = []

    debug(f"command: {command}")
    debug(f"obj: {obj}, bm: {bm}, obj_loc: {obj_loc}")

    # ---------------------
    # Cursor or Pivot Point
    if operation in {"C", "P"}:
        # Absolute/Global Coordinates, or Delta/Relative Coordinates
        if mode in {"a", "d"}:
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
        # Direction/Polar Coordinates
        elif mode == "i":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 2)
        # Percent Options
        elif mode == "p":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 1)

        if valid_result:
            move_cursor_pivot(context, pg, obj, verts, operation,
                mode, vector_delta)
        return

    # ------------------------
    # Move Vertices or Objects
    elif operation == "G":
        if obj.mode == "EDIT":
            if len(verts) == 0:
                pg.error = PDT_ERR_NO_SEL_GEOM
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
        # Absolute/Global Coordinates
        if mode == "a":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
            if obj.mode == "EDIT":
                for v in verts:
                    v.co = vector_delta - obj_loc
                bmesh.ops.remove_doubles(
                    bm, verts=[v for v in bm.verts if v.select], dist=0.0001
                )
            elif obj.mode == "OBJECT":
                for ob in context.view_layer.objects.selected:
                    ob.location = vector_delta

        elif mode in {"d", "i"}:
            if mode == "d":
                # Delta/Relative Coordinates
                valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
                if not valid_result:
                    return
            else:
                # Direction/Polar Coordinates
                valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 2)
                if not valid_result:
                    return
            if vector_delta is not None:
                if obj.mode == "EDIT":
                    bmesh.ops.translate(
                        bm, verts=[v for v in bm.verts if v.select], vec=vector_delta
                    )
                elif obj.mode == "OBJECT":
                    for ob in context.view_layer.objects.selected:
                        ob.location = obj_loc + vector_delta
        # Percent Options
        elif mode == "p":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 1)
            if not valid_result:
                return
            if vector_delta is not None:
                if obj.mode == 'EDIT':
                    verts[-1].co = vector_delta
                elif obj.mode == "OBJECT":
                    obj.location = vector_delta
        if obj.mode == 'EDIT':
            bmesh.update_edit_mesh(obj.data)
            bm.select_history.clear()
        return

    # --------------
    # Add New Vertex
    elif operation == "N":
        if not obj.mode == "EDIT":
            pg.error = PDT_ERR_ADDVEDIT
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        # Absolute/Global Coordinates
        if mode == "a":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
            new_vertex = bm.verts.new(vector_delta - obj_loc)
        # Delta/Relative Coordinates
        elif mode == "d":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
            new_vertex = bm.verts.new(verts[-1].co + vector_delta)
        # Direction/Polar Coordinates
        elif mode == "i":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 2)
            if not valid_result:
                return
            new_vertex = bm.verts.new(verts[-1].co + vector_delta)
        # Percent Options
        elif mode == "p":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 1)
            if not valid_result:
                return
            new_vertex = bm.verts.new(vector_delta)

        for v in [v for v in bm.verts if v.select]:
            v.select_set(False)
        new_vertex.select_set(True)
        bmesh.update_edit_mesh(obj.data)
        bm.select_history.clear()
        return

    # -----------
    # Split Edges
    elif operation == "S":
        if not obj.mode == "EDIT":
            pg.error = PDT_ERR_SPLITEDIT
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        # Absolute/Global Coordinates
        if mode == "a":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
            edges = [e for e in bm.edges if e.select]
            if len(edges) != 1:
                pg.error = f"{PDT_ERR_SEL_1_EDGE} {len(edges)})"
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            geom = bmesh.ops.subdivide_edges(bm, edges=edges, cuts=1)
            new_verts = [v for v in geom["geom_split"] if isinstance(v, bmesh.types.BMVert)]
            new_vertex = new_verts[0]
            new_vertex.co = vector_delta - obj_loc
        # Delta/Relative Coordinates
        elif mode == "d":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
            edges = [e for e in bm.edges if e.select]
            faces = [f for f in bm.faces if f.select]
            if len(faces) != 0:
                pg.error = PDT_ERR_FACE_SEL
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            if len(edges) < 1:
                pg.error = f"{PDT_ERR_SEL_1_EDGEM} {len(edges)})"
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            geom = bmesh.ops.subdivide_edges(bm, edges=edges, cuts=1)
            new_verts = [v for v in geom["geom_split"] if isinstance(v, bmesh.types.BMVert)]
            bmesh.ops.translate(bm, verts=new_verts, vec=vector_delta)
        # Directional/Polar Coordinates
        elif mode == "i":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 2)
            if not valid_result:
                return
            edges = [e for e in bm.edges if e.select]
            faces = [f for f in bm.faces if f.select]
            if len(faces) != 0:
                pg.error = PDT_ERR_FACE_SEL
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            if len(edges) < 1:
                pg.error = f"{PDT_ERR_SEL_1_EDGEM} {len(edges)})"
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            geom = bmesh.ops.subdivide_edges(bm, edges=edges, cuts=1)
            new_verts = [v for v in geom["geom_split"] if isinstance(v, bmesh.types.BMVert)]
            bmesh.ops.translate(bm, verts=new_verts, vec=vector_delta)
        # Percent Options
        elif mode == "p":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 1)
            if not valid_result:
                return
            edges = [e for e in bm.edges if e.select]
            faces = [f for f in bm.faces if f.select]
            if len(faces) != 0:
                pg.error = PDT_ERR_FACE_SEL
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            if len(edges) != 1:
                pg.error = f"{PDT_ERR_SEL_1_EDGEM} {len(edges)})"
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            geom = bmesh.ops.subdivide_edges(bm, edges=edges, cuts=1)
            new_verts = [v for v in geom["geom_split"] if isinstance(v, bmesh.types.BMVert)]
            new_vertex = new_verts[0]
            new_vertex.co = vector_delta

        for v in [v for v in bm.verts if v.select]:
            v.select_set(False)
        for v in new_verts:
            v.select_set(False)
        bmesh.update_edit_mesh(obj.data)
        bm.select_history.clear()
        return

    # ----------------
    # Extrude Vertices
    elif operation == "V":
        if not obj.mode == "EDIT":
            pg.error = PDT_ERR_EXTEDIT
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        # Absolute/Global Coordinates
        if mode == "a":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
            new_vertex = bm.verts.new(vector_delta - obj_loc)
            for v in verts:
                bm.edges.new([v, new_vertex])
                v.select_set(False)
            new_vertex.select_set(True)
            bmesh.ops.remove_doubles(
                bm, verts=[v for v in bm.verts if v.select], dist=0.0001
            )
        # Delta/Relative Coordinates
        elif mode == "d":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
            for v in verts:
                new_vertex = bm.verts.new(v.co)
                new_vertex.co = new_vertex.co + vector_delta
                bm.edges.new([v, new_vertex])
                v.select_set(False)
                new_vertex.select_set(True)
        # Direction/Polar Coordinates
        elif mode == "i":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 2)
            if not valid_result:
                return
            for v in verts:
                new_vertex = bm.verts.new(v.co)
                new_vertex.co = new_vertex.co + vector_delta
                bm.edges.new([v, new_vertex])
                v.select_set(False)
                new_vertex.select_set(True)
        # Percent Options
        elif mode == "p":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 1)
            if not valid_result:
                return
            verts = [v for v in bm.verts if v.select].copy()
            if len(verts) == 0:
                pg.error = PDT_ERR_NO_SEL_GEOM
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                return
            new_vertex = bm.verts.new(vector_delta)
            if ext_a:
                for v in [v for v in bm.verts if v.select]:
                    bm.edges.new([v, new_vertex])
                    v.select_set(False)
            else:
                bm.edges.new([verts[-1], new_vertex])
            new_vertex.select_set(True)

        bmesh.update_edit_mesh(obj.data)
        bm.select_history.clear()
        return

    # ----------------
    # Extrude Geometry
    elif operation == "E":
        if not obj.mode == "EDIT":
            pg.error = PDT_ERR_EXTEDIT
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        # Delta/Relative Coordinates
        if mode == "d":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
        # Direction/Polar Coordinates
        elif mode == "i":
            valid_result, vector_delta = vector_build(context, pg, obj, values, 2)
            if not valid_result:
                return

        ret = bmesh.ops.extrude_face_region(
            bm,
            geom=(
                [f for f in bm.faces if f.select]
                + [e for e in bm.edges if e.select]
                + [v for v in bm.verts if v.select]
            ),
            use_select_history=True,
        )
        geom_extr = ret["geom"]
        verts_extr = [v for v in geom_extr if isinstance(v, bmesh.types.BMVert)]
        edges_extr = [e for e in geom_extr if isinstance(e, bmesh.types.BMEdge)]
        faces_extr = [f for f in geom_extr if isinstance(f, bmesh.types.BMFace)]
        del ret
        bmesh.ops.translate(bm, verts=verts_extr, vec=vector_delta)
        update_sel(bm, verts_extr, edges_extr, faces_extr)
        bmesh.update_edit_mesh(obj.data)
        bm.select_history.clear()
        return

    # ------------------
    # Duplicate Geometry
    elif operation == "D":
        if not obj.mode == "EDIT":
            pg.error = PDT_ERR_DUPEDIT
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        # Delta/Relative Coordinates
        if mode == "d":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 3)
            if not valid_result:
                return
        # Direction/Polar Coordinates
        elif mode == "i":
            valid_result, vector_delta = vector_build(context, pg, obj, operation, values, 2)
            if not valid_result:
                return

        ret = bmesh.ops.duplicate(
            bm,
            geom=(
                [f for f in bm.faces if f.select]
                + [e for e in bm.edges if e.select]
                + [v for v in bm.verts if v.select]
            ),
            use_select_history=True,
        )
        geom_dupe = ret["geom"]
        verts_dupe = [v for v in geom_dupe if isinstance(v, bmesh.types.BMVert)]
        edges_dupe = [e for e in geom_dupe if isinstance(e, bmesh.types.BMEdge)]
        faces_dupe = [f for f in geom_dupe if isinstance(f, bmesh.types.BMFace)]
        del ret
        bmesh.ops.translate(bm, verts=verts_dupe, vec=vector_delta)
        update_sel(bm, verts_dupe, edges_dupe, faces_dupe)
        bmesh.update_edit_mesh(obj.data)
        bm.select_history.clear()
        return

    # ---------------
    # Fillet Geometry
    elif operation == "F":
        if obj is None:
            pg.error = PDT_ERR_NO_ACT_OBJ
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        if not obj.mode == "EDIT":
            pg.error = PDT_ERR_FILEDIT
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        if len(values) != 3:
            pg.error = PDT_ERR_BAD3VALS
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        if mode in {"i", "v"}:
            vert_bool = True
        elif mode == "e":
            vert_bool = False
        verts = [v for v in bm.verts if v.select]
        if len(verts) == 0:
            pg.error = PDT_ERR_SEL_1_VERT
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            return
        # Note that passing an empty parameter results in that parameter being seen as "0"
        # _offset <= 0 is ignored since a bevel/fillet radius must be > 0 to make sense
        _offset = float(values[0])
        _segments = int(values[1])
        if _segments < 1:
            _segments = 1   # This is a single, flat segment (ignores profile)
        _profile = float(values[2])
        if _profile < 0.0 or _profile > 1.0:
            _profile = 0.5  # This is a circular profile
        if mode == "i":
            # Fillet & Intersect Two Edges
            edges = [e for e in bm.edges if e.select]
            if len(edges) == 2 and len(verts) == 4:
                v_active = edges[0].verts[0]
                v_other = edges[0].verts[1]
                v_last = edges[1].verts[0]
                v_first = edges[1].verts[1]
                vector_delta, done = intersection(v_active.co,
                    v_other.co,
                    v_last.co,
                    v_first.co,
                    plane
                    )
                if not done:
                    errmsg = f"{PDT_ERR_INT_LINES} {plane}  {PDT_LAB_PLANE}"
                    self.report({"ERROR"}, errmsg)
                    return {"FINISHED"}
                if (v_active.co - vector_delta).length < (v_other.co - vector_delta).length:
                    v_active.co = vector_delta
                    v_other.select_set(False)
                else:
                    v_other.co = vector_delta
                    v_active.select_set(False)
                if (v_last.co - vector_delta).length < (v_first.co - vector_delta).length:
                    v_last.co = vector_delta
                    v_first.select_set(False)
                else:
                    v_first.co = vector_delta
                    v_last.select_set(False)
                bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
        bpy.ops.mesh.bevel(
            offset_type="OFFSET",
            offset=_offset,
            segments=_segments,
            profile=_profile,
            vertex_only=vert_bool
        )
        return