Files
multi-user/net_operators.py
2019-02-22 16:46:35 +01:00

343 lines
8.4 KiB
Python

import bpy
from . import net_components
import time
import logging
import mathutils
import random
import string
logger = logging.getLogger(__name__)
client = None
server = None
context = None
NATIVE_TYPES = (
bpy.types.IntProperty,
bpy.types.FloatProperty,
bpy.types.BoolProperty,
bpy.types.StringProperty,
)
VECTOR_TYPES = (
'Vector'
)
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))
class VectorTypeTranslation(net_components.RCFTranslation):
def set(self,data):
"""
local program > rcf
"""
return [data.x,data.y,data.z]
def get(self,data):
"""
rcf > local program
"""
return mathutils.Vector((data[0],data[1],data[2]))
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
# class RNAFractory(net_components.RCFMsgFactory):
# def __init__(self,data):
# self.load = match_type():
# def load(self,data):
# logger.debug(' casting from bpy')
# value_type = type(data)
# rna_value = None
# if value_type is mathutils.Vector or mathutils.Euler:
# rna_value = [data.x,data.y,data.z]
# elif value_type is bpy.props.collection:
# pass # TODO: Collection replication
# elif value_type in NATIVE_TYPES:
# rna_value = data
# return rna_value
# def unload(self,data):
# rcf_value = None
# if value_type == 'Vector':
# value_casted = mathutils.Vector((data[0],data[1],data[2]))
# return rcf_value
# 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
"""
t = time.perf_counter()
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
try:
for key,values in client.property_map.items():
# if values.id == client.id:
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 0.016
# CLIENT-SERVER
def refresh_window():
import bpy
bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
def patch_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 vector2array(v):
return [v.x,v.y,v.z]
def array2vector(a):
logger.debug(mathutils.Vector((a[0],a[1],a[2])))
return mathutils.Vector((a[0],a[1],a[2]))
recv_callbacks=[patch_scene]
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 = net_components.Client(id=username,on_recv=recv_callbacks,on_post_init=post_init_callbacks)
time.sleep(1)
bpy.ops.asyncio.loop()
bpy.app.timers.register(observer)
return {"FINISHED"}
class session_send(bpy.types.Operator):
bl_idname = "session.send"
bl_label = "send"
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_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
# 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)
server = net_components.Server()
time.sleep(0.1)
bpy.ops.session.join()
# client = net_components.Client(id=username,on_recv=recv_callbacks,on_post_init=post_init_callbacks)
bpy.ops.asyncio.loop()
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
if server :
server.stop()
del server
server = None
if client:
client.stop()
del client
client = None
bpy.ops.asyncio.stop()
else:
logger.debug("No server/client running.")
return {"FINISHED"}
class session_settings(bpy.types.PropertyGroup):
username = bpy.props.StringProperty(name="Username",default="DefaultUser")
ip = bpy.props.StringProperty(name="localhost")
port = bpy.props.IntProperty(name="5555")
buffer = bpy.props.StringProperty(name="None")
# TODO: Rename to match official blender convention
classes = (
session_join,
session_send,
session_stop,
session_create,
session_settings,
)
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(observer)
def unregister():
from bpy.utils import unregister_class
for cls in reversed(classes):
unregister_class(cls)
del bpy.types.Scene.session_settings
if __name__ == "__main__":
register()