Files
multi-user/net_operators.py
Swann Martinez 8c667c6a1d feat(rcf): append client local view update on viewport change
refactor(rcf): separate update local from draw
2019-03-13 13:07:21 +01:00

620 lines
16 KiB
Python

import bpy
from . import net_components
from . import net_ui
from . import rna_translation
import time
import logging
import mathutils
import random
import string
import gpu
from gpu_extras.batch import batch_for_shader
logger = logging.getLogger(__name__)
client = None
server = None
context = None
NATIVE_TYPES = (
bpy.types.IntProperty,
bpy.types.FloatProperty,
bpy.types.BoolProperty,
bpy.types.StringProperty,
)
import mathutils
import gpu
from gpu_extras.batch import batch_for_shader
from bpy_extras import view3d_utils
def view3d_find():
for area in bpy.context.window.screen.areas:
if area.type == 'VIEW_3D':
v3d = area.spaces[0]
rv3d = v3d.region_3d
for region in area.regions:
if region.type == 'WINDOW':
return area, region, rv3d
break
return None, None, None
def get_target(region, rv3d,coord):
view_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
target = ray_origin +view_vector
return [target.x,target.y,target.z]
def get_client_view_rect():
area, region, rv3d = view3d_find()
v1 = [0,0,0]
v2 = [0,0,0]
v3 = [0,0,0]
v4 = [0,0,0]
width = region.width
height = region.height
v1 = get_target(region,rv3d,(0,0))
v3 = get_target(region,rv3d,(0,height))
v2 = get_target(region,rv3d,(width,height))
v4 = get_target(region,rv3d,(width,0))
coords = (v1, v2, v3, v4)
indices = (
(1, 3), (2, 1), (3, 0),(2,0)
)
return coords
def get_client_view_rect():
area, region, rv3d = view3d_find()
v1 = [0,0,0]
v2 = [0,0,0]
v3 = [0,0,0]
v4 = [0,0,0]
width = region.width
height = region.height
v1 = get_target(region,rv3d,(0,0))
v3 = get_target(region,rv3d,(0,height))
v2 = get_target(region,rv3d,(width,height))
v4 = get_target(region,rv3d,(width,0))
coords = (v1, v2, v3, v4)
indices = (
(1, 3), (2, 1), (3, 0),(2,0)
)
return coords
class UpdateClientView(bpy.types.Operator):
bl_idname = "session.update_client"
bl_label = "update client"
bl_description = "Description that shows in blender tooltips"
bl_options = {"REGISTER"}
def __init__(self):
super().__init__()
self.coords = None
self.update_event = None
@classmethod
def poll(cls, context):
return True
def invoke(self, context,event):
self.coords = get_client_view_rect()
context.window_manager.modal_handler_add(self)
self.register_handlers(context)
return {"RUNNING_MODAL"}
def modal(self, context, event):
if context.area:
context.area.tag_redraw()
if event.type in {"TIMER"}:
current_coords = get_client_view_rect()
# Update local view
if current_coords != self.coords:
global client
self.coords= current_coords
key = "net/clients/{}".format(client.id.decode())
client.push_update(key, 'client', current_coords)
print("update")
if event.type in {"ESC"}:
self.unregister_handlers(context)
return {"CANCELLED"}
return {"PASS_THROUGH"}
def register_handlers(self,context):
self.update_event = context.window_manager.event_timer_add(0.1, window=context.window)
def unregister_handlers(self,context):
context.window_manager.event_timer_remove(self.draw_event)
def finish(self):
self.unregister_handlers()
return {"FINISHED"}
class DrawClient(bpy.types.Operator):
bl_idname = "session.draw"
bl_label = "draw clients"
bl_description = "Description that shows in blender tooltips"
bl_options = {"REGISTER"}
position = bpy.props.FloatVectorProperty(default=(0,0,0))
def __init__(self):
super().__init__()
self.shader = None
self.batch = None
self.draw_handle = None
self.draw_event = None
self.coords = None
@classmethod
def poll(cls, context):
return True
def refresh_view(self, context):
global client
try:
self.unregister_handlers()
except:
pass
try:
key = "net/clients/{}".format(client.id.decode())
client.property_map[key]
current_view = get_client_view_rect()
client.push_update(key, 'client', current_view)
print(current_view)
except:
pass
#client position update
# area, region, rv3d = view3d_find()
# width = region.width
# height = region.height
# depth = mathutils.Vector((rv3d.view_distance,rv3d.view_distance,rv3d.view_distance))
# vec = view3d_utils.region_2d_to_vector_3d(region, rv3d, (0,0))
# v1 = get_target(region,rv3d,(0,0))
# v3 = get_target(region,rv3d,(0,height))
# v2 = get_target(region,rv3d,(width,height))
# v4 = get_target(region,rv3d,(width,0))
self.coords = get_client_view_rect()
def invoke(self, context,event):
self.refresh_view(context)
self.create_batch()
self.register_handlers(context)
context.window_manager.modal_handler_add(self)
return {"RUNNING_MODAL"}
def register_handlers(self,context):
self.draw_handle = bpy.types.SpaceView3D.draw_handler_add(self.draw_callback, (), 'WINDOW', 'POST_VIEW')
self.draw_event = context.window_manager.event_timer_add(0.1, window=context.window)
def unregister_handlers(self,context):
context.window_manager.event_timer_remove(self.draw_event)
bpy.types.SpaceView3D.draw_handler_remove(self.draw_handle,"WINDOW")
self.draw_handle = None
self.draw_event = None
def create_batch(self, coords):
indices = (
(1, 3), (2, 1), (3, 0),(2,0)
)
self.shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
self.batch = batch_for_shader(self.shader, 'LINES', {"pos": coords}, indices=indices)
def draw_callback(self):
self.shader.bind()
self.shader.uniform_float("color", (1, 0, 0, 1))
self.batch.draw(self.shader)
def modal(self, context, event):
if context.area:
context.area.tag_redraw()
if event.type in {"TIMER"}:
# Update local view
if get_client_view_rect() != self.coords:
print("update")
self.unregister_handlers(context)
self.refresh_view(context)
self.create_batch()
self.register_handlers(context)
if event.type in {"ESC"}:
self.unregister_handlers(context)
return {"CANCELLED"}
# if self.draw_handle:µ
# self.finish()
return {"PASS_THROUGH"}
def finish(self):
self.unregister_handlers()
return {"FINISHED"}
def on_scene_evalutation(scene):
# TODO: viewer representation
# TODO: Live update only selected object
# TODO: Scene representation
pass
def randomStringDigits(stringLength=6):
"""Generate a random string of letters and digits """
lettersAndDigits = string.ascii_letters + string.digits
return ''.join(random.choice(lettersAndDigits) for i in range(stringLength))
def match_supported_types(value):
type_factory = None
if isinstance(value, bool):
print("float")
elif isinstance(value, mathutils.Vector):
print("vector")
type_factory = VectorTypeTranslation()
elif isinstance(value, mathutils.Euler):
print("Euler")
elif type(value) in NATIVE_TYPES:
print("native")
else:
raise NotImplementedError
return type_factory
# TODO: Less ugly method
def from_bpy(value):
logger.debug(' casting from bpy')
value_type = type(value)
value_casted = None
if value_type is mathutils.Vector:
value_casted = [value.x, value.y, value.z]
elif value_type is bpy.props.collection:
pass # TODO: Collection replication
elif value_type is mathutils.Euler:
value_casted = [value.x, value.y, value.z]
elif value_type is NATIVE_TYPES:
value_casted = value
return str(value.__class__.__name__), value_casted
def to_bpy(store_item):
"""
Get bpy value from store
"""
value_type = store_item.mtype
value_casted = None
store_value = store_item.body
if value_type == 'Vector':
value_casted = mathutils.Vector(
(store_value[0], store_value[1], store_value[2]))
return value_casted
def resolve_bpy_path(path):
"""
Get bpy property value from path
"""
path = path.split('/')
obj = None
attribute = path[2]
logger.debug("resolving {}".format(path))
try:
obj = getattr(bpy.data, path[0])[path[1]]
attribute = getattr(obj, path[2])
logger.debug("done {} : {}".format(obj, attribute))
except AttributeError:
logger.debug(" Attribute not found")
return obj, attribute
def observer():
global client
for key, values in client.property_map.items():
if client.id.decode() in key:
# current_view = get_client_view_rect()
# client.push_update(key, 'client', current_view)
# print(current_view)
#client position update
pass
else:
try:
obj, attr = resolve_bpy_path(key)
if attr != to_bpy(client.property_map[key]):
value_type, value = from_bpy(attr)
client.push_update(key, value_type, value)
except:
pass
return bpy.context.scene.session_settings.update_frequency
def refresh_window():
import bpy
bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
def init_scene(msg):
pass
def update_scene(msg):
global client
if msg.id != client.id:
value = None
obj, attr = resolve_bpy_path(msg.key)
attr_name = msg.key.split('/')[2]
value = to_bpy(msg)
# print(msg.get)
logger.debug("Updating scene:\n object: {} attribute: {} , value: {}".format(
obj, attr_name, value))
try:
setattr(obj, attr_name, value)
except:
pass
else:
logger.debug('no need to update scene on our own')
def update_ui(msg):
"""
Update collaborative UI elements
"""
pass
recv_callbacks = [update_scene,update_ui]
post_init_callbacks = [refresh_window]
class session_join(bpy.types.Operator):
bl_idname = "session.join"
bl_label = "join"
bl_description = "connect to a net server"
bl_options = {"REGISTER"}
@classmethod
def poll(cls, context):
return True
def execute(self, context):
global client
net_settings = context.scene.session_settings
if net_settings.username == "DefaultUser":
net_settings.username = "{}_{}".format(
net_settings.username, randomStringDigits())
username = str(context.scene.session_settings.username)
client_factory = rna_translation.RNAFactory()
print("{}".format(client_factory.__class__.__name__))
client = net_components.Client(
id=username,
on_recv=recv_callbacks,
on_post_init=post_init_callbacks,
factory=client_factory)
# time.sleep(1)
bpy.ops.asyncio.loop()
bpy.app.timers.register(observer)
net_settings.is_running = True
return {"FINISHED"}
class session_add_property(bpy.types.Operator):
bl_idname = "session.add_prop"
bl_label = "add"
bl_description = "broadcast a property to connected clients"
bl_options = {"REGISTER"}
property_path: bpy.props.StringProperty(default="None")
@classmethod
def poll(cls, context):
return True
def execute(self, context):
global client
obj, attr = resolve_bpy_path(self.property_path)
if obj and attr:
key = self.property_path
value_type, value = from_bpy(attr)
client.push_update(key, value_type, value)
return {"FINISHED"}
class session_remove_property(bpy.types.Operator):
bl_idname = "session.remove_prop"
bl_label = "remove"
bl_description = "broadcast a property to connected clients"
bl_options = {"REGISTER"}
property_path: bpy.props.StringProperty(default="None")
@classmethod
def poll(cls, context):
return True
def execute(self, context):
global client
try:
del client.property_map[self.property_path]
return {"FINISHED"}
except:
return {"CANCELED"}
class session_create(bpy.types.Operator):
bl_idname = "session.create"
bl_label = "create"
bl_description = "create to a net session"
bl_options = {"REGISTER"}
@classmethod
def poll(cls, context):
return True
def execute(self, context):
global server
global client
server = net_components.Server()
time.sleep(0.1)
bpy.ops.session.join()
bpy.app.timers.register(observer)
return {"FINISHED"}
class session_stop(bpy.types.Operator):
bl_idname = "session.stop"
bl_label = "close"
bl_description = "stop net service"
bl_options = {"REGISTER"}
@classmethod
def poll(cls, context):
return True
def execute(self, context):
global server
global client
net_settings = context.scene.session_settings
if server:
server.stop()
del server
server = None
if client:
client.stop()
del client
client = None
bpy.ops.asyncio.stop()
bpy.app.timers.unregister(observer)
net_settings.is_running = False
else:
logger.debug("No server/client running.")
return {"FINISHED"}
class session_settings(bpy.types.PropertyGroup):
username = bpy.props.StringProperty(
name="Username", default="user_{}".format(randomStringDigits()))
ip = bpy.props.StringProperty(name="localhost")
port = bpy.props.IntProperty(name="5555")
buffer = bpy.props.StringProperty(name="None")
is_running = bpy.props.BoolProperty(name="is_running", default=False)
update_frequency = bpy.props.FloatProperty(
name="update_frequency", default=0.008)
# TODO: Rename to match official blender convention
classes = (
session_join,
session_add_property,
session_stop,
session_create,
session_settings,
session_remove_property,
DrawClient,
UpdateClientView,
)
def register():
from bpy.utils import register_class
for cls in classes:
register_class(cls)
bpy.types.Scene.session_settings = bpy.props.PointerProperty(
type=session_settings)
# bpy.app.handlers.depsgraph_update_post.append(on_scene_evalutation)
def unregister():
global server
global client
if server:
server.stop()
del server
server = None
if client:
client.stop()
del client
client = None
from bpy.utils import unregister_class
for cls in reversed(classes):
unregister_class(cls)
# bpy.app.handlers.depsgraph_update_post.remove(on_scene_evalutation)
del bpy.types.Scene.session_settings
if __name__ == "__main__":
register()