multi-user/multi_user/timers.py
2021-10-21 12:19:46 +02:00

390 lines
16 KiB
Python

# ##### 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 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 <https://www.gnu.org/licenses/>.
#
# ##### END GPL LICENSE BLOCK #####
import logging
import sys
import traceback
import bpy
from replication.constants import (FETCHED, RP_COMMON, STATE_ACTIVE,
STATE_INITIAL, STATE_LOBBY, STATE_QUITTING,
STATE_SRV_SYNC, STATE_SYNCING, UP)
from replication.exception import NonAuthorizedOperationError, ContextError
from replication.interface import session
from replication import porcelain
from . import operators, utils
from .presence import (UserFrustumWidget, UserNameWidget, UserModeWidget, UserSelectionWidget,
generate_user_camera, get_view_matrix, refresh_3d_view,
refresh_sidebar_view, renderer)
from . import shared_data
this = sys.modules[__name__]
# Registered timers
this.registry = dict()
def is_annotating(context: bpy.types.Context):
""" Check if the annotate mode is enabled
"""
active_tool = bpy.context.workspace.tools.from_space_view3d_mode('OBJECT', create=False)
return (active_tool and active_tool.idname == 'builtin.annotate')
class Timer(object):
"""Timer binder interface for blender
Run a bpy.app.Timer in the background looping at the given rate
"""
def __init__(self, timeout=10, id=None):
self._timeout = timeout
self.is_running = False
self.id = id if id else self.__class__.__name__
def register(self):
"""Register the timer into the blender timer system
"""
if not self.is_running:
this.registry[self.id] = self
bpy.app.timers.register(self.main)
self.is_running = True
logging.debug(f"Register {self.__class__.__name__}")
else:
logging.debug(
f"Timer {self.__class__.__name__} already registered")
def main(self):
try:
self.execute()
except Exception as e:
logging.error(e)
self.unregister()
traceback.print_exc()
session.disconnect(reason=f"Error during timer {self.id} execution")
else:
if self.is_running:
return self._timeout
def execute(self):
"""Main timer loop
"""
raise NotImplementedError
def unregister(self):
"""Unnegister the timer of the blender timer system
"""
if bpy.app.timers.is_registered(self.main):
logging.info(f"Unregistering {self.id}")
bpy.app.timers.unregister(self.main)
del this.registry[self.id]
self.is_running = False
class SessionBackupTimer(Timer):
def __init__(self, timeout=10, filepath=None):
self._filepath = filepath
super().__init__(timeout)
def execute(self):
session.repository.dumps(self._filepath)
class SessionListenTimer(Timer):
def execute(self):
session.listen()
class ApplyTimer(Timer):
def execute(self):
if session and session.state == STATE_ACTIVE:
for node in session.repository.graph.keys():
node_ref = session.repository.graph.get(node)
if node_ref.state == FETCHED:
try:
shared_data.session.applied_updates.append(node)
porcelain.apply(session.repository, node)
except Exception as e:
logging.error(f"Fail to apply {node_ref.uuid}")
traceback.print_exc()
else:
impl = session.repository.rdp.get_implementation(node_ref.instance)
if impl.bl_reload_parent:
for parent in session.repository.graph.get_parents(node):
logging.debug("Refresh parent {node}")
porcelain.apply(session.repository,
parent.uuid,
force=True)
if hasattr(impl, 'bl_reload_child') and impl.bl_reload_child:
for dep in node_ref.dependencies:
porcelain.apply(session.repository,
dep,
force=True)
class AnnotationUpdates(Timer):
def __init__(self, timeout=1):
self._annotating = False
self._settings = utils.get_preferences()
super().__init__(timeout)
def execute(self):
if session and session.state == STATE_ACTIVE:
ctx = bpy.context
annotation_gp = ctx.scene.grease_pencil
if annotation_gp and not annotation_gp.uuid:
ctx.scene.update_tag()
# if an annotation exist and is tracked
if annotation_gp and annotation_gp.uuid:
registered_gp = session.repository.graph.get(annotation_gp.uuid)
if is_annotating(bpy.context):
# try to get the right on it
if registered_gp.owner == RP_COMMON:
self._annotating = True
logging.debug(
"Getting the right on the annotation GP")
porcelain.lock(session.repository,
[registered_gp.uuid],
ignore_warnings=True,
affect_dependencies=False)
if registered_gp.owner == self._settings.username:
porcelain.commit(session.repository, annotation_gp.uuid)
porcelain.push(session.repository, 'origin', annotation_gp.uuid)
elif self._annotating:
porcelain.unlock(session.repository,
[registered_gp.uuid],
ignore_warnings=True,
affect_dependencies=False)
self._annotating = False
class DynamicRightSelectTimer(Timer):
def __init__(self, timeout=.1):
super().__init__(timeout)
self._last_selection = set()
self._user = None
def execute(self):
settings = utils.get_preferences()
if session and session.state == STATE_ACTIVE:
# Find user
if self._user is None:
self._user = session.online_users.get(settings.username)
if self._user:
current_selection = set(utils.get_selected_objects(
bpy.context.scene,
bpy.data.window_managers['WinMan'].windows[0].view_layer
))
if current_selection != self._last_selection:
to_lock = list(current_selection.difference(self._last_selection))
to_release = list(self._last_selection.difference(current_selection))
instances_to_lock = list()
for node_id in to_lock:
node = session.repository.graph.get(node_id)
if node and hasattr(node,'data'):
instance_mode = node.data.get('instance_type')
if instance_mode and instance_mode == 'COLLECTION':
to_lock.remove(node_id)
instances_to_lock.append(node_id)
if instances_to_lock:
try:
porcelain.lock(session.repository,
instances_to_lock,
ignore_warnings=True,
affect_dependencies=False)
except NonAuthorizedOperationError as e:
logging.warning(e)
if to_release:
try:
porcelain.unlock(session.repository,
to_release,
ignore_warnings=True,
affect_dependencies=True)
except NonAuthorizedOperationError as e:
logging.warning(e)
if to_lock:
try:
porcelain.lock(session.repository,
to_lock,
ignore_warnings=True,
affect_dependencies=True)
except NonAuthorizedOperationError as e:
logging.warning(e)
self._last_selection = current_selection
user_metadata = {
'selected_objects': current_selection
}
porcelain.update_user_metadata(session.repository, user_metadata)
logging.debug("Update selection")
# Fix deselection until right managment refactoring (with Roles concepts)
if len(current_selection) == 0 :
owned_keys = [k for k, v in session.repository.graph.items() if v.owner==settings.username]
if owned_keys:
try:
porcelain.unlock(session.repository,
owned_keys,
ignore_warnings=True,
affect_dependencies=True)
except NonAuthorizedOperationError as e:
logging.warning(e)
# Objects selectability
for obj in bpy.data.objects:
object_uuid = getattr(obj, 'uuid', None)
if object_uuid:
is_selectable = not session.repository.is_node_readonly(object_uuid)
if obj.hide_select != is_selectable:
obj.hide_select = is_selectable
shared_data.session.applied_updates.append(object_uuid)
class ClientUpdate(Timer):
def __init__(self, timeout=.1):
super().__init__(timeout)
self.handle_quit = False
self.users_metadata = {}
def execute(self):
settings = utils.get_preferences()
if session and renderer:
if session.state in [STATE_ACTIVE, STATE_LOBBY]:
local_user = session.online_users.get(
settings.username)
if not local_user:
return
else:
for username, user_data in session.online_users.items():
if username != settings.username:
cached_user_data = self.users_metadata.get(
username)
new_user_data = session.online_users[username]['metadata']
if cached_user_data is None:
self.users_metadata[username] = user_data['metadata']
elif 'view_matrix' in cached_user_data and 'view_matrix' in new_user_data and cached_user_data['view_matrix'] != new_user_data['view_matrix']:
refresh_3d_view()
self.users_metadata[username] = user_data['metadata']
break
else:
self.users_metadata[username] = user_data['metadata']
local_user_metadata = local_user.get('metadata')
scene_current = bpy.context.scene.name
local_user = session.online_users.get(settings.username)
current_view_corners = generate_user_camera()
# Init client metadata
if not local_user_metadata or 'color' not in local_user_metadata.keys():
metadata = {
'view_corners': get_view_matrix(),
'view_matrix': get_view_matrix(),
'color': (settings.client_color.r,
settings.client_color.g,
settings.client_color.b,
1),
'frame_current': bpy.context.scene.frame_current,
'scene_current': scene_current,
'mode_current': bpy.context.mode
}
porcelain.update_user_metadata(session.repository, metadata)
# Update client representation
# Update client current scene
elif scene_current != local_user_metadata['scene_current']:
local_user_metadata['scene_current'] = scene_current
porcelain.update_user_metadata(session.repository, local_user_metadata)
elif 'view_corners' in local_user_metadata and current_view_corners != local_user_metadata['view_corners']:
local_user_metadata['view_corners'] = current_view_corners
local_user_metadata['view_matrix'] = get_view_matrix(
)
porcelain.update_user_metadata(session.repository, local_user_metadata)
elif bpy.context.mode != local_user_metadata['mode_current']:
local_user_metadata['mode_current'] = bpy.context.mode
porcelain.update_user_metadata(session.repository, local_user_metadata)
class SessionStatusUpdate(Timer):
def __init__(self, timeout=1):
super().__init__(timeout)
def execute(self):
refresh_sidebar_view()
class SessionUserSync(Timer):
def __init__(self, timeout=1):
super().__init__(timeout)
self.settings = utils.get_preferences()
def execute(self):
if session and renderer:
# sync online users
session_users = session.online_users
ui_users = bpy.context.window_manager.online_users
for index, user in enumerate(ui_users):
if user.username not in session_users.keys() and \
user.username != self.settings.username:
renderer.remove_widget(f"{user.username}_cam")
renderer.remove_widget(f"{user.username}_select")
renderer.remove_widget(f"{user.username}_name")
renderer.remove_widget(f"{user.username}_mode")
ui_users.remove(index)
break
for user in session_users:
if user not in ui_users:
new_key = ui_users.add()
new_key.name = user
new_key.username = user
if user != self.settings.username:
renderer.add_widget(
f"{user}_cam", UserFrustumWidget(user))
renderer.add_widget(
f"{user}_select", UserSelectionWidget(user))
renderer.add_widget(
f"{user}_name", UserNameWidget(user))
renderer.add_widget(
f"{user}_mode", UserModeWidget(user))
class MainThreadExecutor(Timer):
def __init__(self, timeout=1, execution_queue=None):
super().__init__(timeout)
self.execution_queue = execution_queue
def execute(self):
while not self.execution_queue.empty():
function, kwargs = self.execution_queue.get()
logging.debug(f"Executing {function.__name__}")
function(**kwargs)