Files
blender-portable-repo/scripts/addons/RetopoFlow/addon_common/cookiecutter/cookiecutter_fsm.py
T
2026-03-17 14:30:01 -06:00

56 lines
2.4 KiB
Python

'''
Copyright (C) 2023 CG Cookie
https://github.com/CGCookie/retopoflow
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 3 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, see <http://www.gnu.org/licenses/>.
'''
import bpy
from ..common.debug import debugger
from ..common.fsm import FSM
from ..common.timerhandler import TimerHandler
class CookieCutter_FSM:
def _cc_fsm_init(self):
self.fsm = FSM(self, start='main')
self.fsm.add_exception_callback(lambda e: self._handle_exception(e, 'handle exception caught by FSM'))
# def callback(e): self._handle_exception(e, 'handle exception caught by FSM')
# self.fsm.add_exception_callback(callback)
def _cc_fsm_update(self):
self.fsm.update()
def _cc_fsm_force_event(self):
# add some NOP event to event queue to force modal operator to be called again right away
# # warp cursor to same spot
# # DOES NOT WORK: (event.mouse_x, event.mouse_y) might be incorrect!!!
# self.context.window.cursor_warp(self.event.mouse_x, self.event.mouse_y)
# # simulate an event
# # DOES NOT WORK: only works with `--enable-event-simulate`, but then Blender cannot accept any input!!!
# self.context.window.event_simulate(type='NONE', value='NOTHING')
# # register a short-lived timer (only returns `None`)
# # DOES NOT WORK: these timers do NOT cause modal operator to be called for some reason :(
# bpy.app.timers.register(lambda:None, first_interval=0.01)
# create a short-lived WindowManager timer
# self.actions might not yet be created!
if not hasattr(self, '_cc_force_event_handler'):
self._cc_force_event_handler = TimerHandler(120, context=self.context, enabled=False)
self._cc_force_event_handler.start()
def _cc_fsm_stop_force_event(self):
if hasattr(self, '_cc_force_event_handler'):
self._cc_force_event_handler.stop()