642 lines
16 KiB
Python
642 lines
16 KiB
Python
from bpy_extras import view3d_utils
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import bpy
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from . import net_components
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from . import net_ui
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from . import rna_translation
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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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import bgl
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import blf
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import gpu
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from gpu_extras.batch import batch_for_shader
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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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COLOR_TABLE = [(1, 0, 0, 1), (0, 1, 0, 1), (0, 0, 1, 1),(0, 0.5, 1, 1),(0.5, 0, 1, 1)]
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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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def view3d_find():
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for area in bpy.context.window.screen.areas:
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if area.type == 'VIEW_3D':
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v3d = area.spaces[0]
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rv3d = v3d.region_3d
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for region in area.regions:
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if region.type == 'WINDOW':
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return area, region, rv3d
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break
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return None, None, None
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def get_target(region, rv3d, coord):
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view_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
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ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
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target = ray_origin + view_vector
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return [target.x, target.y, target.z]
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def get_client_view_rect():
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area, region, rv3d = view3d_find()
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v1 = [0, 0, 0]
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v2 = [0, 0, 0]
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v3 = [0, 0, 0]
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v4 = [0, 0, 0]
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width = region.width
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height = region.height
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v1 = get_target(region, rv3d, (0, 0))
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v3 = get_target(region, rv3d, (0, height))
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v2 = get_target(region, rv3d, (width, height))
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v4 = get_target(region, rv3d, (width, 0))
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coords = (v1, v2, v3, v4)
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indices = (
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(1, 3), (2, 1), (3, 0), (2, 0)
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)
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return coords
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def get_client_view_rect():
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area, region, rv3d = view3d_find()
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v1 = [0, 0, 0]
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v2 = [0, 0, 0]
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v3 = [0, 0, 0]
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v4 = [0, 0, 0]
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width = region.width
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height = region.height
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v1 = get_target(region, rv3d, (0, 0))
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v3 = get_target(region, rv3d, (0, height))
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v2 = get_target(region, rv3d, (width, height))
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v4 = get_target(region, rv3d, (width, 0))
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coords = (v1, v2, v3, v4)
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indices = (
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(1, 3), (2, 1), (3, 0), (2, 0)
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)
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return coords
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def get_client_2d(coords):
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area, region, rv3d = view3d_find()
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return view3d_utils.location_3d_to_region_2d(region, rv3d, coords)
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class UpdateClientView(bpy.types.Operator):
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bl_idname = "session.update_client"
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bl_label = "update client"
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bl_description = "Description that shows in blender tooltips"
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bl_options = {"REGISTER"}
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def __init__(self):
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super().__init__()
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self.coords = None
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self.update_event = 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 invoke(self, context, event):
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self.coords = get_client_view_rect()
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context.window_manager.modal_handler_add(self)
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self.register_handlers(context)
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return {"RUNNING_MODAL"}
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def modal(self, context, event):
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if context.area:
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context.area.tag_redraw()
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if event.type in {"TIMER"}:
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current_coords = get_client_view_rect()
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# Update local view
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if current_coords != self.coords:
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global client
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self.coords = current_coords
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key = "net/clients/{}".format(client.id.decode())
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client.push_update(key, 'client', current_coords)
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print("update")
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if event.type in {"ESC"}:
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self.unregister_handlers(context)
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return {"CANCELLED"}
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return {"PASS_THROUGH"}
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def register_handlers(self, context):
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self.update_event = context.window_manager.event_timer_add(
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0.1, window=context.window)
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def unregister_handlers(self, context):
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context.window_manager.event_timer_remove(self.draw_event)
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def finish(self):
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self.unregister_handlers()
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return {"FINISHED"}
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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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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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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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if client:
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for key, values in client.property_map.items():
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try:
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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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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 init_scene(msg):
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pass
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def update_scene(msg):
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global client
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if msg.id != client.id:
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if msg.mtype == 'client' and msg.id is not client.id:
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refresh_window()
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else:
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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 update_ui(msg):
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"""
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Update collaborative UI elements
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"""
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pass
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recv_callbacks = [update_scene, update_ui]
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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_factory = rna_translation.RNAFactory()
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print("{}".format(client_factory.__class__.__name__))
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client = net_components.Client(
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id=username,
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on_recv=recv_callbacks,
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on_post_init=post_init_callbacks,
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factory=client_factory)
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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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bpy.ops.session.draw('INVOKE_DEFAULT')
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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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bpy.app.timers.unregister(observer)
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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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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(
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name="Username", default="user_{}".format(randomStringDigits()))
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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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hide_users = bpy.props.BoolProperty(name="is_running", default=False)
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hide_settings = bpy.props.BoolProperty(name="hide_settings", default=False)
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hide_properties = bpy.props.BoolProperty(name="hide_properties", default=True)
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update_frequency = bpy.props.FloatProperty(
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name="update_frequency", default=0.008)
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class session_draw_clients(bpy.types.Operator):
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bl_idname = "session.draw"
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bl_label = "draw clients"
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bl_description = "Description that shows in blender tooltips"
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bl_options = {"REGISTER"}
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position = bpy.props.FloatVectorProperty(default=(0, 0, 0))
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def __init__(self):
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super().__init__()
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self.draw_items = []
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self.draw3d_handle = None
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self.draw2d_handle = None
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self.draw_event = None
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self.coords = 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 invoke(self, context, event):
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#
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self.coords = get_client_view_rect()
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self.create_batch()
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self.register_handlers(context)
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context.window_manager.modal_handler_add(self)
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return {"RUNNING_MODAL"}
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def register_handlers(self, context):
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self.draw3d_handle = bpy.types.SpaceView3D.draw_handler_add(
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self.draw3d_callback, (), 'WINDOW', 'POST_VIEW')
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self.draw2d_handle = bpy.types.SpaceView3D.draw_handler_add(
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self.draw2d_callback, (), 'WINDOW', 'POST_PIXEL')
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self.draw_event = context.window_manager.event_timer_add(
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0.1, window=context.window)
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def unregister_handlers(self, context):
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if self.draw_event and self.draw3d_handle and self.draw2d_handle:
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context.window_manager.event_timer_remove(self.draw_event)
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bpy.types.SpaceView3D.draw_handler_remove(
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self.draw3d_handle, "WINDOW")
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bpy.types.SpaceView3D.draw_handler_remove(
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self.draw2d_handle, "WINDOW")
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self.draw_items.clear()
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self.draw3d_handle = None
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self.draw2d_handle = None
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self.draw_event = None
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def create_batch(self):
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global client
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index = 0
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for key, values in client.property_map.items():
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if values.mtype == "client":
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if values.id != client.id:
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indices = (
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(1, 3), (2, 1), (3, 0), (2, 0)
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)
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shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
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batch = batch_for_shader(
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shader, 'LINES', {"pos": values.body}, indices=indices)
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self.draw_items.append(
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(shader, batch, (values.body[1], values.id.decode()), COLOR_TABLE[index]))
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index += 1
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def draw3d_callback(self):
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bgl.glLineWidth(3)
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for shader, batch, font, color in self.draw_items:
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shader.bind()
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shader.uniform_float("color", color)
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batch.draw(shader)
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def draw2d_callback(self):
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for shader, batch, font, color in self.draw_items:
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coords = get_client_2d(font[0])
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try:
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blf.position(0, coords[0], coords[1]+10, 0)
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blf.size(0, 10, 72)
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blf.color(0, color[0], color[1], color[2], color[3])
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blf.draw(0, font[1])
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except:
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pass
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def modal(self, context, event):
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if context.area:
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context.area.tag_redraw()
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if not context.scene.session_settings.is_running:
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self.finish(context)
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if event.type in {"TIMER"}:
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global client
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if client:
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# Local view update
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current_coords = get_client_view_rect()
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if current_coords != self.coords:
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self.coords = current_coords
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|
key = "net/clients/{}".format(client.id.decode())
|
|
|
|
client.push_update(key, 'client', current_coords)
|
|
|
|
# Draw clients
|
|
if len(client.property_map) > 0:
|
|
self.unregister_handlers(context)
|
|
self.create_batch()
|
|
|
|
self.register_handlers(context)
|
|
|
|
return {"PASS_THROUGH"}
|
|
|
|
def finish(self, context):
|
|
self.unregister_handlers(context)
|
|
return {"FINISHED"}
|
|
|
|
|
|
# TODO: Rename to match official blender convention
|
|
classes = (
|
|
session_join,
|
|
session_add_property,
|
|
session_stop,
|
|
session_create,
|
|
session_settings,
|
|
session_remove_property,
|
|
session_draw_clients,
|
|
)
|
|
|
|
|
|
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()
|