Merge branch 'develop' into 'master'

v0.5.2

See merge request slumber/multi-user!173

CHANGELOG.md

@@ -217,3 +217,40 @@ All notable changes to this project will be documented in this file.
 - GPencil fill stroke
 - Sculpt and GPencil brushes deleted when joining a session (@Kysios)
 - Auto-updater doesn't work for master and develop builds
+
+## [0.5.0] - 2022-02-10
+
+### Added
+
+- New overall UI and UX (@Kysios)
+- Documentation overall update (@Kysios)
+- Server presets (@Kysios)
+- Server online status (@Kysios)
+- Draw connected user color in the user list
+- Private session (access protected with a password) (@Kysios)
+
+### Changed
+
+- Dependencies are now installed in the addon folder and correctly cleaned during the addon removal process
+
+### Fixed
+
+- Python 3.10 compatibility (@notfood)
+- Blender 3.x compatibility
+- Skin vertex radius synchronization (@kromar)
+- Sequencer audio strip synchronization
+- Crash with empty after a reconnection
+
+## [0.5.1] - 2022-02-10
+
+### Fixed
+
+- Auto updater breaks dependency auto installer
+- Auto updater update from tag
+
+## [0.5.2] - 2022-02-18
+
+### Fixed
+
+- Objects not selectable after user leaves session
+- Geometry nodes attribute toogle doesn't sync

docs/hosting_internet/index.rst

@@ -206,20 +206,20 @@ You can run the dedicated server on any platform by following these steps:
 
     .. code-block:: bash
 
-        python -m pip install replication==0.1.13
+        python -m pip install replication
 
-4. Launch the server with:
+3. Launch the server with:
 
     .. code-block:: bash
 
-        replication.server
+        replication.serve
 
 .. hint::
     You can also specify a custom **port** (-p), **timeout** (-t), **admin password** (-pwd), **log level (ERROR, WARNING, INFO or DEBUG)** (-l) and **log file** (-lf) with the following optional arguments
 
     .. code-block:: bash
 
-        replication.server -p 5555 -pwd admin -t 5000 -l INFO -lf server.log
+        replication.serve -p 5555 -pwd admin -t 5000 -l INFO -lf server.log
 
 Here, for example, a server is instantiated on port 5555, with password 'admin', a 5 second timeout, and logging enabled.
 
@@ -572,7 +572,7 @@ For example, I would like to launch my server with a different administrator pas
 
     .. code-block:: bash
         
-        python3 -m replication.server -pwd supersecretpassword -p 5555 -t 3000 -l DEBUG -lf logname.log
+        replication.serve -pwd supersecretpassword -p 5555 -t 3000 -l DEBUG -lf logname.log
 
 Now, my configuration should look like this:
 
@@ -691,7 +691,7 @@ We're finally ready to launch the server. Simply run:
 
     .. code-block:: bash
         
-        python3 -m replication.server -p 5555 -pwd admin -t 5000 -l INFO -lf server.log
+        replication.serve -p 5555 -pwd admin -t 5000 -l INFO -lf server.log
 
 See :ref:`cmd-line` for a description of optional parameters
 

multi_user/__init__.py

@@ -19,7 +19,7 @@
 bl_info = {
     "name": "Multi-User",
     "author": "Swann Martinez",
-    "version": (0, 4, 0),
+    "version": (0, 5, 2),
     "description": "Enable real-time collaborative workflow inside blender",
     "blender": (2, 82, 0),
     "location": "3D View > Sidebar > Multi-User tab",

multi_user/addon_updater.py

@@ -1015,9 +1015,11 @@ class Singleton_updater(object):
 		for path, dirs, files in os.walk(base):
 			# prune ie skip updater folder
 			dirs[:] = [d for d in dirs if os.path.join(path,d) not in [self._updater_path]]
+
+			for directory in dirs:
+				shutil.rmtree(os.path.join(path,directory))
+
 			for file in files:
-				for ptrn in self.remove_pre_update_patterns:
-					if fnmatch.filter([file],ptrn):
 				try:
 					fl = os.path.join(path,file)
 					os.remove(fl)
@@ -1701,7 +1703,7 @@ class GitlabEngine(object):
 	def parse_tags(self, response, updater):
 		if response == None:
 			return []
-		return [{"name": tag["name"], "zipball_url": self.get_zip_url(tag["commit"]["id"], updater)} for tag in response]
+		return [{"name": tag["name"], "zipball_url": f"https://gitlab.com/slumber/multi-user/-/jobs/artifacts/{tag['name']}/download?job=build"} for tag in response]
 
 
 # -----------------------------------------------------------------------------

multi_user/addon_updater_ops.py

@@ -267,7 +267,7 @@ class addon_updater_update_now(bpy.types.Operator):
 	clean_install: bpy.props.BoolProperty(
 		name="Clean install",
 		description="If enabled, completely clear the addon's folder before installing new update, creating a fresh install",
-		default=False,
+		default=True,
 		options={'HIDDEN'}
 	)
 

multi_user/bl_types/__init__.py

@@ -43,7 +43,7 @@ __all__ = [
     "bl_particle",
 ]  # Order here defines execution order
 
-if bpy.app.version[1] >= 91:
+if bpy.app.version >= (2,91,0):
     __all__.append('bl_volume')
 
 from . import *

multi_user/bl_types/bl_gpencil.py

@@ -53,12 +53,12 @@ STROKE = [
     "uv_translation",
     "vertex_color_fill",
 ]
-if bpy.app.version[1] >= 91:
+if bpy.app.version >= (2,91,0):
     STROKE.append('use_cyclic')
 else:
     STROKE.append('draw_cyclic')
 
-if bpy.app.version[1] >= 83:
+if bpy.app.version >= (2,83,0):
     STROKE_POINT.append('vertex_color')
 
 def dump_stroke(stroke):

multi_user/bl_types/bl_lightprobe.py

@@ -37,7 +37,7 @@ class BlLightprobe(ReplicatedDatablock):
     def construct(data: dict) -> object:
         type = 'CUBE' if data['type'] == 'CUBEMAP' else data['type']
         # See https://developer.blender.org/D6396
-        if bpy.app.version[1] >= 83:
+        if bpy.app.version >= (2,83,0):
             return bpy.data.lightprobes.new(data["name"], type)
         else:
             logging.warning("Lightprobe replication only supported since 2.83. See https://developer.blender.org/D6396")
@@ -49,7 +49,7 @@ class BlLightprobe(ReplicatedDatablock):
 
     @staticmethod
     def dump(datablock: object) -> dict:
-        if bpy.app.version[1] < 83:
+        if bpy.app.version < (2,83,0):
             logging.warning("Lightprobe replication only supported since 2.83. See https://developer.blender.org/D6396")
 
         dumper = Dumper()

multi_user/bl_types/bl_object.py

@@ -48,7 +48,7 @@ SHAPEKEY_BLOCK_ATTR = [
 ]
 
 
-if bpy.app.version[1] >= 93:
+if bpy.app.version >= (2,93,0):
     SUPPORTED_GEOMETRY_NODE_PARAMETERS = (int, str, float)
 else:
     SUPPORTED_GEOMETRY_NODE_PARAMETERS = (int, str)
@@ -56,14 +56,24 @@ else:
                     blender 2.92.")
 
 
-def get_node_group_inputs(node_group):
+def get_node_group_properties_identifiers(node_group):
-    inputs = []
+    props_ids = []
+    # Inputs
     for inpt in node_group.inputs:
         if inpt.type in IGNORED_SOCKETS:
             continue
         else:
-            inputs.append(inpt)
+            props_ids.append((inpt.identifier, inpt.type))
-    return inputs
+
+        if inpt.type in ['INT', 'VALUE', 'BOOLEAN', 'RGBA', 'VECTOR']:
+            props_ids.append((f"{inpt.identifier}_attribute_name",'STR'))
+            props_ids.append((f"{inpt.identifier}_use_attribute", 'BOOL'))
+
+    for outpt in node_group.outputs:
+        if outpt.type not in IGNORED_SOCKETS and  outpt.type in ['INT', 'VALUE', 'BOOLEAN', 'RGBA', 'VECTOR']:
+            props_ids.append((f"{outpt.identifier}_attribute_name", 'STR'))
+
+    return props_ids
     # return [inpt.identifer for inpt in node_group.inputs if  inpt.type not in IGNORED_SOCKETS]
 
 
@@ -122,29 +132,35 @@ def load_physics(dumped_settings: dict, target: bpy.types.Object):
         bpy.ops.rigidbody.constraint_remove({"object": target})
 
 
-def dump_modifier_geometry_node_inputs(modifier: bpy.types.Modifier) -> list:
+def dump_modifier_geometry_node_props(modifier: bpy.types.Modifier) -> list:
     """ Dump geometry node modifier input properties
 
         :arg modifier: geometry node modifier to dump
         :type modifier: bpy.type.Modifier
     """
-    dumped_inputs = []
+    dumped_props = []
-    for inpt in get_node_group_inputs(modifier.node_group):
-        input_value = modifier[inpt.identifier]
     
-        dumped_input = None
+    for prop_value, prop_type in get_node_group_properties_identifiers(modifier.node_group):
-        if isinstance(input_value, bpy.types.ID):
+        try:
-            dumped_input = input_value.uuid
+            prop_value = modifier[prop_value]
-        elif isinstance(input_value, SUPPORTED_GEOMETRY_NODE_PARAMETERS):
+        except KeyError as e:
-            dumped_input = input_value
+            logging.error(f"fail to dump geomety node modifier property : {prop_value} ({e})")
-        elif hasattr(input_value, 'to_list'):
+        else:
-            dumped_input = input_value.to_list()
+            dump = None
-        dumped_inputs.append(dumped_input)
+            if isinstance(prop_value, bpy.types.ID):
+                dump = prop_value.uuid
+            elif isinstance(prop_value, SUPPORTED_GEOMETRY_NODE_PARAMETERS):
+                dump = prop_value
+            elif hasattr(prop_value, 'to_list'):
+                dump = prop_value.to_list()
 
-    return dumped_inputs
+            dumped_props.append((dump, prop_type))
+            # logging.info(prop_value)
+
+    return dumped_props
 
 
-def load_modifier_geometry_node_inputs(dumped_modifier: dict, target_modifier: bpy.types.Modifier):
+def load_modifier_geometry_node_props(dumped_modifier: dict, target_modifier: bpy.types.Modifier):
     """ Load geometry node modifier inputs
 
         :arg dumped_modifier: source dumped modifier to load
@@ -153,17 +169,17 @@ def load_modifier_geometry_node_inputs(dumped_modifier: dict, target_modifier: b
         :type target_modifier: bpy.type.Modifier
     """
 
-    for input_index, inpt in enumerate(get_node_group_inputs(target_modifier.node_group)):
+    for input_index, inpt in enumerate(get_node_group_properties_identifiers(target_modifier.node_group)):
-        dumped_value = dumped_modifier['inputs'][input_index]
+        dumped_value, dumped_type = dumped_modifier['props'][input_index]
-        input_value = target_modifier[inpt.identifier]
+        input_value = target_modifier[inpt[0]]
-        if isinstance(input_value, SUPPORTED_GEOMETRY_NODE_PARAMETERS):
+        if dumped_type in ['INT', 'VALUE', 'STR', 'BOOL']:
-            target_modifier[inpt.identifier] = dumped_value
+            logging.info(f"{inpt[0]}/{dumped_value}")
-        elif hasattr(input_value, 'to_list'):
+            target_modifier[inpt[0]] = dumped_value
+        elif dumped_type in ['RGBA', 'VECTOR']:
             for index in range(len(input_value)):
                 input_value[index] = dumped_value[index]
-        elif inpt.type in ['COLLECTION', 'OBJECT']:
+        elif dumped_type in ['COLLECTION', 'OBJECT', 'IMAGE', 'TEXTURE', 'MATERIAL']:
-            target_modifier[inpt.identifier] = get_datablock_from_uuid(
+            target_modifier[inpt[0]] = get_datablock_from_uuid(dumped_value, None)
-                dumped_value, None)
 
 
 def load_pose(target_bone, data):
@@ -198,12 +214,12 @@ def find_data_from_name(name=None):
         instance = bpy.data.speakers[name]
     elif name in bpy.data.lightprobes.keys():
         # Only supported since 2.83
-        if bpy.app.version[1] >= 83:
+        if bpy.app.version >= (2,83,0):
             instance = bpy.data.lightprobes[name]
         else:
             logging.warning(
                 "Lightprobe replication only supported since 2.83. See https://developer.blender.org/D6396")
-    elif bpy.app.version[1] >= 91 and name in bpy.data.volumes.keys():
+    elif bpy.app.version >= (2,91,0) and name in bpy.data.volumes.keys():
         # Only supported since 2.91
         instance = bpy.data.volumes[name]
     return instance
@@ -250,10 +266,11 @@ def find_geometry_nodes_dependencies(modifiers: bpy.types.bpy_prop_collection) -
     for mod in modifiers:
         if mod.type == 'NODES' and mod.node_group:
             dependencies.append(mod.node_group)
-            # for inpt in get_node_group_inputs(mod.node_group):
+            for inpt, inpt_type in get_node_group_properties_identifiers(mod.node_group):
-            #     parameter = mod.get(inpt.identifier)
+                inpt_value = mod.get(inpt)
-            #     if parameter and isinstance(parameter, bpy.types.ID):
+                # Avoid to handle 'COLLECTION', 'OBJECT' to avoid circular dependencies
-            #         dependencies.append(parameter)
+                if inpt_type in ['IMAGE', 'TEXTURE', 'MATERIAL'] and inpt_value:  
+                    dependencies.append(inpt_value)
 
     return dependencies
 
@@ -387,10 +404,7 @@ def dump_modifiers(modifiers: bpy.types.bpy_prop_collection)->dict:
         dumped_modifier = dumper.dump(modifier)
         # hack to dump geometry nodes inputs
         if modifier.type == 'NODES':
-            dumped_inputs = dump_modifier_geometry_node_inputs(
+            dumped_modifier['props'] = dump_modifier_geometry_node_props(modifier)
-                modifier)
-            dumped_modifier['inputs'] = dumped_inputs
-
         elif modifier.type == 'PARTICLE_SYSTEM':
             dumper.exclude_filter = [
                 "is_edited",
@@ -455,7 +469,7 @@ def load_modifiers(dumped_modifiers: list, modifiers: bpy.types.bpy_prop_collect
         loader.load(loaded_modifier, dumped_modifier)
 
         if loaded_modifier.type == 'NODES':
-            load_modifier_geometry_node_inputs(dumped_modifier, loaded_modifier)
+            load_modifier_geometry_node_props(dumped_modifier, loaded_modifier)
         elif loaded_modifier.type == 'PARTICLE_SYSTEM':
             default =  loaded_modifier.particle_system.settings
             dumped_particles = dumped_modifier['particle_system']
@@ -595,6 +609,13 @@ class BlObject(ReplicatedDatablock):
             if datablock.data is None and img_uuid:
                 datablock.data = get_datablock_from_uuid(img_uuid, None)
 
+        if hasattr(datablock, 'cycles_visibility') \
+                and 'cycles_visibility' in data:
+            loader.load(datablock.cycles_visibility, data['cycles_visibility'])
+
+        if hasattr(datablock, 'modifiers'):
+            load_modifiers(data['modifiers'], datablock.modifiers)
+
         if hasattr(object_data, 'skin_vertices') \
                 and object_data.skin_vertices\
                 and 'skin_vertices' in data:
@@ -604,13 +625,6 @@ class BlObject(ReplicatedDatablock):
                     skin_data.data,
                     SKIN_DATA)
 
-        if hasattr(datablock, 'cycles_visibility') \
-                and 'cycles_visibility' in data:
-            loader.load(datablock.cycles_visibility, data['cycles_visibility'])
-
-        if hasattr(datablock, 'modifiers'):
-            load_modifiers(data['modifiers'], datablock.modifiers)
-
         constraints = data.get('constraints')
         if constraints:
             load_constraints(constraints, datablock.constraints)

multi_user/bl_types/bl_scene.py

@@ -440,7 +440,7 @@ class BlScene(ReplicatedDatablock):
                 if seq.name not in sequences:
                     vse.sequences.remove(seq)
             # Load existing sequences
-            for seq_data in sequences.value():
+            for seq_data in sequences.values():
                 load_sequence(seq_data, vse)
         # If the sequence is no longer used, clear it
         elif datablock.sequence_editor and not sequences:

multi_user/environment.py

@@ -134,7 +134,7 @@ def install_modules(dependencies: list, python_path: str, install_dir: str):
             module_can_be_imported(package_name)
 
 def register():
-    if bpy.app.version[1] >= 91:
+    if bpy.app.version >= (2,91,0):
             python_binary_path = sys.executable
     else:
         python_binary_path = bpy.app.binary_path_python

multi_user/operators.py

@@ -37,6 +37,7 @@ from queue import Queue
 from time import gmtime, strftime
 
 from bpy.props import FloatProperty
+import bmesh
 
 try:
     import _pickle as pickle
@@ -58,13 +59,126 @@ from replication.repository import Repository
 
 from . import bl_types, environment, shared_data, timers, ui, utils
 from .handlers import on_scene_update, sanitize_deps_graph
-from .presence import SessionStatusWidget, renderer, view3d_find, refresh_sidebar_view
+from .presence import SessionStatusWidget, renderer, view3d_find, refresh_sidebar_view, bbox_from_obj
 from .timers import registry
 
 background_execution_queue = Queue()
 deleyables = []
 stop_modal_executor = False
 
+
+def draw_user(username, metadata, radius=0.01, intensity=10.0):
+    view_corners =  metadata.get('view_corners')
+    color =  metadata.get('color', (1,1,1,0))
+    objects = metadata.get('selected_objects', None)
+
+    user_collection = bpy.data.collections.new(username)
+
+    # User Color
+    user_mat = bpy.data.materials.new(username)
+    user_mat.use_nodes = True
+    nodes = user_mat.node_tree.nodes
+    nodes.remove(nodes['Principled BSDF'])
+    emission_node = nodes.new('ShaderNodeEmission')
+    emission_node.inputs['Color'].default_value = color
+    emission_node.inputs['Strength'].default_value = intensity
+
+    output_node = nodes['Material Output']
+    user_mat.node_tree.links.new(
+        emission_node.outputs['Emission'], output_node.inputs['Surface'])
+
+    # Generate camera mesh
+    camera_vertices = view_corners[:4]
+    camera_vertices.append(view_corners[6])
+    camera_mesh = bpy.data.meshes.new(f"{username}_camera")
+    camera_obj = bpy.data.objects.new(f"{username}_camera", camera_mesh)
+    frustum_bm = bmesh.new()
+    frustum_bm.from_mesh(camera_mesh)
+
+    for p in camera_vertices:
+        frustum_bm.verts.new(p)
+    frustum_bm.verts.ensure_lookup_table()
+
+    frustum_bm.edges.new((frustum_bm.verts[0], frustum_bm.verts[2]))
+    frustum_bm.edges.new((frustum_bm.verts[2], frustum_bm.verts[1]))
+    frustum_bm.edges.new((frustum_bm.verts[1], frustum_bm.verts[3]))
+    frustum_bm.edges.new((frustum_bm.verts[3], frustum_bm.verts[0]))
+
+    frustum_bm.edges.new((frustum_bm.verts[0], frustum_bm.verts[4]))
+    frustum_bm.edges.new((frustum_bm.verts[2], frustum_bm.verts[4]))
+    frustum_bm.edges.new((frustum_bm.verts[1], frustum_bm.verts[4]))
+    frustum_bm.edges.new((frustum_bm.verts[3], frustum_bm.verts[4]))
+    frustum_bm.edges.ensure_lookup_table()
+
+    frustum_bm.to_mesh(camera_mesh)
+    frustum_bm.free()  # free and prevent further access
+
+    camera_obj.modifiers.new("wireframe", "SKIN")
+    camera_obj.data.skin_vertices[0].data[0].use_root = True
+    for v in camera_mesh.skin_vertices[0].data:
+        v.radius = [radius, radius]
+
+    camera_mesh.materials.append(user_mat)
+    user_collection.objects.link(camera_obj)
+
+    # Generate sight mesh
+    sight_mesh = bpy.data.meshes.new(f"{username}_sight")
+    sight_obj = bpy.data.objects.new(f"{username}_sight", sight_mesh)
+    sight_verts = view_corners[4:6]
+    sight_bm = bmesh.new()
+    sight_bm.from_mesh(sight_mesh)
+
+    for p in sight_verts:
+        sight_bm.verts.new(p)
+    sight_bm.verts.ensure_lookup_table()
+
+    sight_bm.edges.new((sight_bm.verts[0], sight_bm.verts[1]))
+    sight_bm.edges.ensure_lookup_table()
+    sight_bm.to_mesh(sight_mesh)
+    sight_bm.free()
+
+    sight_obj.modifiers.new("wireframe", "SKIN")
+    sight_obj.data.skin_vertices[0].data[0].use_root = True
+    for v in sight_mesh.skin_vertices[0].data:
+        v.radius = [radius, radius]
+
+    sight_mesh.materials.append(user_mat)
+    user_collection.objects.link(sight_obj)
+
+    # Draw selected objects
+    if objects:
+        for o in list(objects):
+            instance = bl_types.bl_datablock.get_datablock_from_uuid(o, None)
+            if instance:
+                bbox_mesh = bpy.data.meshes.new(f"{instance.name}_bbox")
+                bbox_obj = bpy.data.objects.new(
+                    f"{instance.name}_bbox", bbox_mesh)
+                bbox_verts, bbox_ind = bbox_from_obj(instance, index=0)
+                bbox_bm = bmesh.new()
+                bbox_bm.from_mesh(bbox_mesh)
+
+                for p in bbox_verts:
+                    bbox_bm.verts.new(p)
+                bbox_bm.verts.ensure_lookup_table()
+
+                for e in bbox_ind:
+                    bbox_bm.edges.new(
+                        (bbox_bm.verts[e[0]], bbox_bm.verts[e[1]]))
+
+                bbox_bm.to_mesh(bbox_mesh)
+                bbox_bm.free()
+                bpy.data.collections[username].objects.link(bbox_obj)
+
+                bbox_obj.modifiers.new("wireframe", "SKIN")
+                bbox_obj.data.skin_vertices[0].data[0].use_root = True
+                for v in bbox_mesh.skin_vertices[0].data:
+                    v.radius = [radius, radius]
+
+                bbox_mesh.materials.append(user_mat)
+
+    bpy.context.scene.collection.children.link(user_collection)
+
+
 def session_callback(name):
     """ Session callback wrapper
 
@@ -238,7 +352,7 @@ class SessionConnectOperator(bpy.types.Operator):
                 settings.generate_supported_types()
 
 
-        if bpy.app.version[1] >= 91:
+        if bpy.app.version >= (2,91,0):
             python_binary_path = sys.executable
         else:
             python_binary_path = bpy.app.binary_path_python
@@ -309,7 +423,7 @@ class SessionHostOperator(bpy.types.Operator):
                 settings.generate_supported_types()
 
 
-        if bpy.app.version[1] >= 91:
+        if bpy.app.version >= (2,91,0):
             python_binary_path = sys.executable
         else:
             python_binary_path = bpy.app.binary_path_python
@@ -863,6 +977,25 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
         maxlen=255,  # Max internal buffer length, longer would be clamped.
     )
 
+    draw_users: bpy.props.BoolProperty(
+        name="Load users",
+        description="Draw users in the scene",
+        default=False,
+    )
+    user_skin_radius: bpy.props.FloatProperty(
+        name="Wireframe radius",
+        description="Wireframe radius",
+        default=0.005,
+    )
+    user_color_intensity: bpy.props.FloatProperty(
+        name="Shading intensity",
+        description="Shading intensity",
+        default=10.0,
+    )
+
+    def draw(self, context):
+        pass
+
     def execute(self, context):
         from replication.repository import Repository
     
@@ -885,6 +1018,17 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
         for node in nodes:
             porcelain.apply(repo, node.uuid)
         
+        if self.draw_users:
+            f = gzip.open(self.filepath, "rb")
+            db = pickle.load(f)
+
+            users = db.get("users")
+
+            for username, user_data in users.items():
+                metadata = user_data['metadata']
+
+                if metadata:
+                    draw_user(username, metadata, radius=self.user_skin_radius, intensity=self.user_color_intensity)
 
         return {'FINISHED'}
     
@@ -892,6 +1036,39 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
     def poll(cls, context):
         return True
 
+class SESSION_PT_ImportUser(bpy.types.Panel):
+    bl_space_type = 'FILE_BROWSER'
+    bl_region_type = 'TOOL_PROPS'
+    bl_label = "Users"
+    bl_parent_id = "FILE_PT_operator"
+    bl_options = {'DEFAULT_CLOSED'}
+
+    @classmethod
+    def poll(cls, context):
+        sfile = context.space_data
+        operator = sfile.active_operator
+
+        return operator.bl_idname == "SESSION_OT_load"
+
+    def draw_header(self, context):
+        sfile = context.space_data
+        operator = sfile.active_operator
+
+        self.layout.prop(operator, "draw_users", text="")
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False  # No animation.
+
+        sfile = context.space_data
+        operator = sfile.active_operator
+
+        layout.enabled = operator.draw_users
+
+        layout.prop(operator, "user_skin_radius")
+        layout.prop(operator, "user_color_intensity")
+
 class SessionPresetServerAdd(bpy.types.Operator):
     """Add a server to the server list preset"""
     bl_idname = "session.preset_server_add"
@@ -1123,6 +1300,7 @@ classes = (
     SessionNotifyOperator, 
     SessionSaveBackupOperator,
     SessionLoadSaveOperator,
+    SESSION_PT_ImportUser,
     SessionStopAutoSaveOperator,
     SessionPurgeOperator,
     SessionPresetServerAdd,

multi_user/preferences.py

@@ -374,9 +374,9 @@ class SessionPrefs(bpy.types.AddonPreferences):
         description="sidebar_advanced_log_expanded",
         default=False
     )
-    sidebar_advanced_hosting_expanded: bpy.props.BoolProperty(
+    sidebar_advanced_uinfo_expanded: bpy.props.BoolProperty(
-        name="sidebar_advanced_hosting_expanded",
+        name="sidebar_advanced_uinfo_expanded",
-        description="sidebar_advanced_hosting_expanded",
+        description="sidebar_advanced_uinfo_expanded",
         default=False
     )
     sidebar_advanced_net_expanded: bpy.props.BoolProperty(
@@ -619,6 +619,11 @@ class SessionUser(bpy.types.PropertyGroup):
     """
     username: bpy.props.StringProperty(name="username")
     current_frame: bpy.props.IntProperty(name="current_frame")
+    color: bpy.props.FloatVectorProperty(name="color", subtype="COLOR",
+        min=0.0,
+        max=1.0,
+        size=4,
+        default=(1.0, 1.0, 1.0, 1.0))
 
 
 class SessionProps(bpy.types.PropertyGroup):

multi_user/timers.py

@@ -203,6 +203,7 @@ class DynamicRightSelectTimer(Timer):
 
                     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)

multi_user/ui.py

@@ -62,7 +62,41 @@ def printProgressBar(iteration, total, prefix='', suffix='', decimals=1, length=
     bar = fill * filledLength + fill_empty * (length - filledLength)
     return f"{prefix} |{bar}| {iteration}/{total}{suffix}"
 
-
+def get_mode_icon(mode_name: str) -> str:
+    """ given a mode name retrieve a built-in icon 
+    """
+    mode_icon = "NONE"
+    if mode_name == "OBJECT" :
+        mode_icon = "OBJECT_DATAMODE"
+    elif mode_name == "EDIT_MESH" :
+        mode_icon = "EDITMODE_HLT"
+    elif mode_name == 'EDIT_CURVE':
+        mode_icon = "CURVE_DATA"
+    elif mode_name == 'EDIT_SURFACE':
+        mode_icon = "SURFACE_DATA"
+    elif mode_name == 'EDIT_TEXT':
+        mode_icon = "FILE_FONT"
+    elif mode_name == 'EDIT_ARMATURE':
+        mode_icon = "ARMATURE_DATA"
+    elif mode_name == 'EDIT_METABALL':
+        mode_icon = "META_BALL"
+    elif mode_name == 'EDIT_LATTICE':
+        mode_icon = "LATTICE_DATA"
+    elif mode_name == 'POSE':
+        mode_icon = "POSE_HLT"
+    elif mode_name == 'SCULPT':
+        mode_icon = "SCULPTMODE_HLT"
+    elif mode_name == 'PAINT_WEIGHT':
+        mode_icon = "WPAINT_HLT"
+    elif mode_name == 'PAINT_VERTEX':
+        mode_icon = "VPAINT_HLT"
+    elif mode_name == 'PAINT_TEXTURE':
+        mode_icon = "TPAINT_HLT"
+    elif mode_name == 'PARTICLE':
+        mode_icon = "PARTICLES"
+    elif mode_name == 'PAINT_GPENCIL' or mode_name =='EDIT_GPENCIL' or mode_name =='SCULPT_GPENCIL' or mode_name =='WEIGHT_GPENCIL' or mode_name =='VERTEX_GPENCIL':
+        mode_icon = "GREASEPENCIL"
+    return mode_icon
 class SESSION_PT_settings(bpy.types.Panel):
     """Settings panel"""
     bl_idname = "MULTIUSER_SETTINGS_PT_panel"
@@ -149,10 +183,8 @@ class SESSION_PT_settings(bpy.types.Panel):
                     col.template_list("SESSION_UL_network",  "",  settings, "server_preset", context.window_manager, "server_index")
                     col.separator()
                     connectOp = col.row()
-                    connectOp.operator("session.host", text="Host")
+                    connectOp.enabled =is_server_selected
-                    connectopcol = connectOp.column()
+                    connectOp.operator("session.connect", text="Connect")
-                    connectopcol.enabled =is_server_selected
-                    connectopcol.operator("session.connect", text="Connect")
 
                     col = row.column(align=True)
                     col.operator("session.preset_server_add", icon="ADD", text="") # TODO : add conditions (need a name, etc..)
@@ -173,11 +205,17 @@ class SESSION_PT_settings(bpy.types.Panel):
                     info_msg = None
                     
                     if current_state == STATE_LOBBY:
+                        usr = session.online_users.get(settings.username)
                         row= layout.row()
                         info_msg = "Waiting for the session to start."
-
+                        if usr and usr['admin']:
-                    if info_msg:
+                            info_msg = "Init the session to start."
-                        info_box = row.box()
+                            info_box = layout.row()
+                            info_box.label(text=info_msg,icon='INFO')
+                            init_row = layout.row()
+                            init_row.operator("session.init", icon='TOOL_SETTINGS', text="Init")
+                        else:
+                            info_box = layout.row()
                             info_box.row().label(text=info_msg,icon='INFO')
 
                     # PROGRESS BAR
@@ -192,10 +230,57 @@ class SESSION_PT_settings(bpy.types.Panel):
                             length=16
                         ))
 
+class SESSION_PT_host_settings(bpy.types.Panel):
+    bl_idname = "MULTIUSER_SETTINGS_HOST_PT_panel"
+    bl_label = "Hosting"
+    bl_space_type = 'VIEW_3D'
+    bl_region_type = 'UI'
+    bl_parent_id = 'MULTIUSER_SETTINGS_PT_panel'
+    bl_options = {'DEFAULT_CLOSED'}
+
+    @classmethod
+    def poll(cls, context):
+        settings = get_preferences()
+        return not session \
+            or (session and session.state == 0) \
+            and not settings.sidebar_advanced_shown \
+            and not settings.is_first_launch
+
+    def draw_header(self, context):
+        self.layout.label(text="", icon='NETWORK_DRIVE')
+        
+    def draw(self, context):
+        layout = self.layout
+        settings = get_preferences()
+
+        #HOST
+        host_selection = layout.row().box()
+        host_selection_row = host_selection.row()
+        host_selection_row.label(text="Init the session from:")
+        host_selection_row.prop(settings, "init_method", text="")
+        host_selection_row = host_selection.row()
+        host_selection_row.label(text="Port:")
+        host_selection_row.prop(settings, "host_port", text="")
+        host_selection_row = host_selection.row()
+        host_selection_col = host_selection_row.column()
+        host_selection_col.prop(settings, "host_use_server_password", text="Server password:")
+        host_selection_col = host_selection_row.column()
+        host_selection_col.enabled = True if settings.host_use_server_password else False
+        host_selection_col.prop(settings, "host_server_password", text="")
+        host_selection_row = host_selection.row()
+        host_selection_col = host_selection_row.column()
+        host_selection_col.prop(settings, "host_use_admin_password", text="Admin password:")
+        host_selection_col = host_selection_row.column()
+        host_selection_col.enabled = True if settings.host_use_admin_password else False
+        host_selection_col.prop(settings, "host_admin_password", text="")
+
+        host_selection = layout.column()
+        host_selection.operator("session.host", text="Host")
+
 
 class SESSION_PT_advanced_settings(bpy.types.Panel):
     bl_idname = "MULTIUSER_SETTINGS_REPLICATION_PT_panel"
-    bl_label = "Advanced"
+    bl_label = "General Settings"
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_parent_id = 'MULTIUSER_SETTINGS_PT_panel'
@@ -216,30 +301,19 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
         layout = self.layout
         settings = get_preferences()
 
-        #ADVANCED HOST
+        #ADVANCED USER INFO
-        host_selection = layout.row().box()
+        uinfo_section = layout.row().box()
-        host_selection.prop(
+        uinfo_section.prop(
-            settings, "sidebar_advanced_hosting_expanded", text="Hosting",
+            settings,
-            icon=get_expanded_icon(settings.sidebar_advanced_hosting_expanded),
+            "sidebar_advanced_uinfo_expanded",
+            text="User Info",
+            icon=get_expanded_icon(settings.sidebar_advanced_uinfo_expanded), 
             emboss=False)
-        if settings.sidebar_advanced_hosting_expanded:
+        if settings.sidebar_advanced_uinfo_expanded:
-            host_selection_row = host_selection.row()
+            uinfo_section_row = uinfo_section.row()
-            host_selection_row.prop(settings, "host_port", text="Port:")
+            uinfo_section_split = uinfo_section_row.split(factor=0.7, align=True)
-            host_selection_row = host_selection.row()
+            uinfo_section_split.prop(settings, "username", text="")
-            host_selection_row.label(text="Init the session from:")
+            uinfo_section_split.prop(settings, "client_color", text="")
-            host_selection_row.prop(settings, "init_method", text="")
-            host_selection_row = host_selection.row()
-            host_selection_col = host_selection_row.column()
-            host_selection_col.prop(settings, "host_use_server_password", text="Server password:")
-            host_selection_col = host_selection_row.column()
-            host_selection_col.enabled = True if settings.host_use_server_password else False
-            host_selection_col.prop(settings, "host_server_password", text="")
-            host_selection_row = host_selection.row()
-            host_selection_col = host_selection_row.column()
-            host_selection_col.prop(settings, "host_use_admin_password", text="Admin password:")
-            host_selection_col = host_selection_row.column()
-            host_selection_col.enabled = True if settings.host_use_admin_password else False
-            host_selection_col.prop(settings, "host_admin_password", text="")
 
         #ADVANCED NET
         net_section = layout.row().box()
@@ -335,18 +409,31 @@ class SESSION_PT_user(bpy.types.Panel):
             online_users)-1 >= selected_user else 0
 
         #USER LIST
-        row = layout.row()
+        col = layout.column(align=True)
-        box = row.box()
+        row = col.row(align=True)
-        split = box.split(factor=0.35)
+        row = row.split(factor=0.35, align=True)
-        split.label(text="user")
-        split = split.split(factor=0.3)
-        split.label(text="mode")
-        split.label(text="frame")
-        split.label(text="location")
-        split.label(text="ping")
         
-        row = layout.row()
+        box = row.box()
-        layout.template_list("SESSION_UL_users",  "",  context.window_manager,
+        brow = box.row(align=True)
+        brow.label(text="user")
+
+        row = row.split(factor=0.25, align=True)
+        
+        box = row.box()
+        brow = box.row(align=True)
+        brow.label(text="mode")
+        box = row.box()
+        brow = box.row(align=True)
+        brow.label(text="frame")
+        box = row.box()
+        brow = box.row(align=True)
+        brow.label(text="scene")
+        box = row.box()
+        brow = box.row(align=True)
+        brow.label(text="ping")
+
+        row = col.row(align=True)
+        row.template_list("SESSION_UL_users",  "",  context.window_manager,
                              "online_users", context.window_manager,  "user_index")
 
         #OPERATOR ON USER
@@ -393,45 +480,32 @@ class SESSION_UL_users(bpy.types.UIList):
                     frame_current = str(metadata.get('frame_current','-'))
                     scene_current = metadata.get('scene_current','-')
                     mode_current = metadata.get('mode_current','-')
-                    if mode_current == "OBJECT" :
+                    mode_current = metadata.get('mode_current','-')
-                        mode_icon = "OBJECT_DATAMODE"
+                    mode_icon = get_mode_icon(mode_current)
-                    elif mode_current == "EDIT_MESH" :
+                    user_color = metadata.get('color',[1.0,1.0,1.0,1.0])
-                        mode_icon = "EDITMODE_HLT"
+                    item.color = user_color
-                    elif mode_current == 'EDIT_CURVE':
-                        mode_icon = "CURVE_DATA"
-                    elif mode_current == 'EDIT_SURFACE':
-                        mode_icon = "SURFACE_DATA"
-                    elif mode_current == 'EDIT_TEXT':
-                        mode_icon = "FILE_FONT"
-                    elif mode_current == 'EDIT_ARMATURE':
-                        mode_icon = "ARMATURE_DATA"
-                    elif mode_current == 'EDIT_METABALL':
-                        mode_icon = "META_BALL"
-                    elif mode_current == 'EDIT_LATTICE':
-                        mode_icon = "LATTICE_DATA"
-                    elif mode_current == 'POSE':
-                        mode_icon = "POSE_HLT"
-                    elif mode_current == 'SCULPT':
-                        mode_icon = "SCULPTMODE_HLT"
-                    elif mode_current == 'PAINT_WEIGHT':
-                        mode_icon = "WPAINT_HLT"
-                    elif mode_current == 'PAINT_VERTEX':
-                        mode_icon = "VPAINT_HLT"
-                    elif mode_current == 'PAINT_TEXTURE':
-                        mode_icon = "TPAINT_HLT"
-                    elif mode_current == 'PARTICLE':
-                        mode_icon = "PARTICLES"
-                    elif mode_current == 'PAINT_GPENCIL' or mode_current =='EDIT_GPENCIL' or mode_current =='SCULPT_GPENCIL' or mode_current =='WEIGHT_GPENCIL' or mode_current =='VERTEX_GPENCIL':
-                        mode_icon = "GREASEPENCIL"
                 if user['admin']:
                     status_icon = 'FAKE_USER_ON'
-        split = layout.split(factor=0.35)
+        row = layout.split(factor=0.35, align=True)
-        split.label(text=item.username, icon=status_icon)
+        entry = row.row(align=True)
-        split = split.split(factor=0.3)
+        entry.scale_x = 0.05
-        split.label(icon=mode_icon)
+        entry.enabled = False
-        split.label(text=frame_current)
+        entry.prop(item, 'color', text="", event=False, full_event=False)
-        split.label(text=scene_current)
+        entry.enabled = True
-        split.label(text=ping)
+        entry.scale_x = 1.0
+        entry.label(icon=status_icon, text="")
+        entry.label(text=item.username)
+
+        row = row.split(factor=0.25, align=True)
+        
+        entry = row.row()
+        entry.label(icon=mode_icon)
+        entry = row.row()
+        entry.label(text=frame_current)
+        entry = row.row()
+        entry.label(text=scene_current)
+        entry = row.row()
+        entry.label(text=ping)
 
 def draw_property(context, parent, property_uuid, level=0):
     settings = get_preferences()
@@ -543,8 +617,7 @@ class SESSION_PT_repository(bpy.types.Panel):
                 admin = usr['admin']
         return hasattr(context.window_manager, 'session') and \
             session and \
-            (session.state == STATE_ACTIVE or \
+            session.state == STATE_ACTIVE and \
-            session.state == STATE_LOBBY and admin) and \
             not settings.sidebar_repository_shown
 
     def draw_header(self, context):
@@ -590,12 +663,6 @@ class SESSION_PT_repository(bpy.types.Panel):
             else:
                 layout.row().label(text="Empty")
 
-        elif session.state == STATE_LOBBY and usr and usr['admin']:
-            row = layout.row()
-            row.operator("session.init", icon='TOOL_SETTINGS', text="Init")
-        else:
-            row = layout.row()
-            row.label(text="Waiting to start")
 
 class VIEW3D_PT_overlay_session(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
@@ -614,6 +681,9 @@ class VIEW3D_PT_overlay_session(bpy.types.Panel):
         pref = get_preferences()
         layout.active = settings.enable_presence
         
+        row = layout.row()
+        row.prop(settings, "enable_presence",text="Presence Overlay")
+
         row = layout.row()
         row.prop(settings, "presence_show_selected",text="Selected Objects")
 
@@ -667,6 +737,7 @@ classes = (
     SESSION_UL_users,
     SESSION_UL_network,
     SESSION_PT_settings,
+    SESSION_PT_host_settings,
     SESSION_PT_advanced_settings,
     SESSION_PT_user,
     SESSION_PT_sync,

scripts/docker_server/Dockerfile

@@ -1,7 +1,7 @@
 # Download base image debian jessie
 FROM python:slim
 
-ARG replication_version=0.1.13
+ARG replication_version=0.9.1
 ARG version=0.1.1
 
 # Infos
@@ -22,4 +22,4 @@ RUN pip install replication==$replication_version
 
 # Run the server with parameters
 ENTRYPOINT ["/bin/sh", "-c"]
-CMD  ["python3 -m replication.server -pwd ${password} -p ${port} -t ${timeout} -l ${log_level} -lf ${log_file}"]
+CMD  ["replication.serve -apwd ${password} -spwd '' -p ${port} -t ${timeout} -l ${log_level} -lf ${log_file}"]

tests/test_bl_types/test_lightprobes.py

@@ -7,7 +7,7 @@ import bpy
 from multi_user.bl_types.bl_lightprobe import BlLightprobe
 
 
-@pytest.mark.skipif(bpy.app.version[1] < 83, reason="requires blender 2.83 or higher")
+@pytest.mark.skipif(bpy.app.version < (2,83,0), reason="requires blender 2.83 or higher")
 @pytest.mark.parametrize('lightprobe_type', ['PLANAR','GRID','CUBEMAP'])
 def test_lightprobes(clear_blend, lightprobe_type):
     bpy.ops.object.lightprobe_add(type=lightprobe_type)