364 lines
8.5 KiB
Python
364 lines
8.5 KiB
Python
import bpy
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from . import net_components
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import time
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import logging
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import mathutils
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import random
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import string
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logger = logging.getLogger(__name__)
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client = None
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server = None
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context = None
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NATIVE_TYPES = (
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bpy.types.IntProperty,
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bpy.types.FloatProperty,
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bpy.types.BoolProperty,
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bpy.types.StringProperty,
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)
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VECTOR_TYPES = (
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'Vector'
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)
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def on_scene_evalutation(scene):
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# TODO: viewer representation
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# TODO: Live update only selected object
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# TODO: Scene representation
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pass
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def randomStringDigits(stringLength=6):
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"""Generate a random string of letters and digits """
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lettersAndDigits = string.ascii_letters + string.digits
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return ''.join(random.choice(lettersAndDigits) for i in range(stringLength))
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class VectorTypeTranslation(net_components.RCFTranslation):
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def set(self, data):
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"""
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local program > rcf
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"""
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return [data.x, data.y, data.z]
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def get(self, data):
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"""
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rcf > local program
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"""
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return mathutils.Vector((data[0], data[1], data[2]))
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def match_supported_types(value):
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type_factory = None
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if isinstance(value, bool):
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print("float")
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elif isinstance(value, mathutils.Vector):
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print("vector")
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type_factory = VectorTypeTranslation()
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elif isinstance(value, mathutils.Euler):
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print("Euler")
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elif type(value) in NATIVE_TYPES:
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print("native")
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else:
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raise NotImplementedError
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return type_factory
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# TODO: Less ugly method
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def from_bpy(value):
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logger.debug(' casting from bpy')
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value_type = type(value)
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value_casted = None
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if value_type is mathutils.Vector:
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value_casted = [value.x, value.y, value.z]
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elif value_type is bpy.props.collection:
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pass # TODO: Collection replication
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elif value_type is mathutils.Euler:
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value_casted = [value.x, value.y, value.z]
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elif value_type is NATIVE_TYPES:
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value_casted = value
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return str(value.__class__.__name__), value_casted
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def to_bpy(store_item):
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"""
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Get bpy value from store
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"""
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value_type = store_item.mtype
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value_casted = None
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store_value = store_item.body
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if value_type == 'Vector':
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value_casted = mathutils.Vector(
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(store_value[0], store_value[1], store_value[2]))
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return value_casted
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def resolve_bpy_path(path):
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"""
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Get bpy property value from path
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"""
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t = time.perf_counter()
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path = path.split('/')
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obj = None
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attribute = path[2]
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logger.debug("resolving {}".format(path))
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try:
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obj = getattr(bpy.data, path[0])[path[1]]
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attribute = getattr(obj, path[2])
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logger.debug("done {} : {}".format(obj, attribute))
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except AttributeError:
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logger.debug(" Attribute not found")
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return obj, attribute
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def observer():
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global client
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try:
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for key, values in client.property_map.items():
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# if values.id == client.id:
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obj, attr = resolve_bpy_path(key)
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if attr != to_bpy(client.property_map[key]):
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value_type, value = from_bpy(attr)
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client.push_update(key, value_type, value)
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except:
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pass
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return bpy.context.scene.session_settings.update_frequency
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# CLIENT-SERVER
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def refresh_window():
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import bpy
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bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
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def patch_scene(msg):
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global client
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if msg.id != client.id:
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value = None
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obj, attr = resolve_bpy_path(msg.key)
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attr_name = msg.key.split('/')[2]
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value = to_bpy(msg)
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# print(msg.get)
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logger.debug("Updating scene:\n object: {} attribute: {} , value: {}".format(
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obj, attr_name, value))
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try:
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setattr(obj, attr_name, value)
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except:
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pass
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else:
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logger.debug('no need to update scene on our own')
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def vector2array(v):
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return [v.x, v.y, v.z]
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def array2vector(a):
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logger.debug(mathutils.Vector((a[0], a[1], a[2])))
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return mathutils.Vector((a[0], a[1], a[2]))
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recv_callbacks = [patch_scene]
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post_init_callbacks = [refresh_window]
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class session_join(bpy.types.Operator):
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bl_idname = "session.join"
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bl_label = "join"
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bl_description = "connect to a net server"
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bl_options = {"REGISTER"}
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@classmethod
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def poll(cls, context):
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return True
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def execute(self, context):
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global client
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net_settings = context.scene.session_settings
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if net_settings.username == "DefaultUser":
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net_settings.username = "{}_{}".format(
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net_settings.username, randomStringDigits())
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username = str(context.scene.session_settings.username)
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client = net_components.Client(
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id=username, on_recv=recv_callbacks, on_post_init=post_init_callbacks)
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time.sleep(1)
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bpy.ops.asyncio.loop()
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bpy.app.timers.register(observer)
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net_settings.is_running = True
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return {"FINISHED"}
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class session_add_property(bpy.types.Operator):
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bl_idname = "session.add_prop"
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bl_label = "add"
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bl_description = "broadcast a property to connected clients"
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bl_options = {"REGISTER"}
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property_path: bpy.props.StringProperty(default="None")
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@classmethod
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def poll(cls, context):
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return True
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def execute(self, context):
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global client
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obj, attr = resolve_bpy_path(self.property_path)
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if obj and attr:
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key = self.property_path
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value_type, value = from_bpy(attr)
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client.push_update(key, value_type, value)
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return {"FINISHED"}
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class session_remove_property(bpy.types.Operator):
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bl_idname = "session.remove_prop"
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bl_label = "remove"
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bl_description = "broadcast a property to connected clients"
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bl_options = {"REGISTER"}
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property_path: bpy.props.StringProperty(default="None")
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@classmethod
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def poll(cls, context):
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return True
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def execute(self, context):
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global client
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try:
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del client.property_map[self.property_path]
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return {"FINISHED"}
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except:
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return {"CANCELED"}
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class session_create(bpy.types.Operator):
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bl_idname = "session.create"
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bl_label = "create"
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bl_description = "create to a net session"
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bl_options = {"REGISTER"}
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@classmethod
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def poll(cls, context):
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return True
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def execute(self, context):
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global server
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global client
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server = net_components.Server()
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time.sleep(0.1)
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bpy.ops.session.join()
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bpy.app.timers.register(observer)
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return {"FINISHED"}
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class session_stop(bpy.types.Operator):
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bl_idname = "session.stop"
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bl_label = "close"
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bl_description = "stop net service"
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bl_options = {"REGISTER"}
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@classmethod
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def poll(cls, context):
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return True
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def execute(self, context):
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global server
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global client
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net_settings = context.scene.session_settings
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if server:
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server.stop()
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del server
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server = None
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if client:
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client.stop()
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del client
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client = None
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bpy.ops.asyncio.stop()
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bpy.app.timers.unregister(observer)
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net_settings.is_running = False
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else:
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logger.debug("No server/client running.")
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return {"FINISHED"}
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class session_settings(bpy.types.PropertyGroup):
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username = bpy.props.StringProperty(name="Username", default="user")
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ip = bpy.props.StringProperty(name="localhost")
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port = bpy.props.IntProperty(name="5555")
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buffer = bpy.props.StringProperty(name="None")
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is_running = bpy.props.BoolProperty(name="is_running", default=False)
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update_frequency = bpy.props.FloatProperty(
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name="update_frequency", default=0.008)
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# TODO: Rename to match official blender convention
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classes = (
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session_join,
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session_add_property,
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session_stop,
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session_create,
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session_settings,
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session_remove_property,
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)
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def register():
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from bpy.utils import register_class
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for cls in classes:
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register_class(cls)
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bpy.types.Scene.session_settings = bpy.props.PointerProperty(
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type=session_settings)
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bpy.app.handlers.depsgraph_update_post.append(on_scene_evalutation)
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def unregister():
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from bpy.utils import unregister_class
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for cls in reversed(classes):
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unregister_class(cls)
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del bpy.types.Scene.session_settings
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bpy.app.handlers.depsgraph_update_post.remove(on_scene_evalutation)
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if __name__ == "__main__":
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register()
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