feat: update replay

feat: timeline action mapping for replay
feat: persistent  collection
fix: draw users in the right scene according to the snapshot

CHANGELOG.md

@@ -187,3 +187,33 @@ All notable changes to this project will be documented in this file.
 - Sync missing armature bone Roll
 - Sync missing driver data_path
 - Constraint replication
+
+## [0.4.0] - 2021-07-20
+
+### Added
+
+- Connection preset system (@Kysios)
+- Display connected users active mode (users pannel and viewport) (@Kysios)
+- Delta-based replication
+- Sync timeline marker
+- Sync images settings (@Kysios)
+- Sync parent relation type (@Kysios)
+- Sync uv project modifier
+- Sync FCurves modifiers
+
+### Changed
+
+- User selection optimizations (draw and sync) (@Kysios)
+- Improved shapekey syncing performances
+- Improved gpencil syncing performances
+- Integrate replication as a submodule
+- The dependencies are now installed in a folder(blender addon folder) that no longer requires administrative rights
+- Presence overlay UI optimization (@Kysios)
+
+### Fixed
+
+- User selection bounding box glitches for non-mesh objects (@Kysios)
+- Transforms replication for animated objects
+- GPencil fill stroke
+- Sculpt and GPencil brushes deleted when joining a session (@Kysios)
+- Auto-updater doesn't work for master and develop builds

README.md

@@ -11,9 +11,8 @@ This tool aims to allow multiple users to work on the same scene over the networ
 
 ## Quick installation
 
-1. Download latest release [multi_user.zip](https://gitlab.com/slumber/multi-user/-/jobs/artifacts/master/download?job=build).
+1. Download [latest build](https://gitlab.com/slumber/multi-user/-/jobs/artifacts/develop/download?job=build) or [stable build](https://gitlab.com/slumber/multi-user/-/jobs/artifacts/master/download?job=build).
-2. Run blender as administrator (dependencies installation).
+2. Install last_version.zip from your addon preferences.
-3. Install last_version.zip from your addon preferences.
 
 [Dependencies](#dependencies) will be automatically added to your blender python during installation.
 
@@ -29,35 +28,35 @@ See the [troubleshooting guide](https://slumber.gitlab.io/multi-user/getting_sta
 
 Currently, not all data-block are supported for replication over the wire. The following list summarizes the status for each ones.
 
-| Name           | Status |                           Comment                            |
+| Name           | Status |                                 Comment                                 |
-| -------------- | :----: | :----------------------------------------------------------: |
+| -------------- | :----: | :---------------------------------------------------------------------: |
-| action         |   ✔️    |                                                              |
+| action         |   ✔️    |                                                                         |
-| camera         |   ✔️    |                                                              |
+| camera         |   ✔️    |                                                                         |
-| collection     |   ✔️    |                                                              |
+| collection     |   ✔️    |                                                                         |
-| gpencil        |   ✔️    |                                                              |
+| gpencil        |   ✔️    |                                                                         |
-| image          |   ✔️    |                                                              |
+| image          |   ✔️    |                                                                         |
-| mesh           |   ✔️    |                                                              |
+| mesh           |   ✔️    |                                                                         |
-| material       |   ✔️    |                                                              |
+| material       |   ✔️    |                                                                         |
-| node_groups    |   ✔️    |                   Material & Geometry only                   |
+| node_groups    |   ✔️    |                        Material & Geometry only                         |
-| geometry nodes |   ✔️    |                                                              |
+| geometry nodes |   ✔️    |                                                                         |
-| metaball       |   ✔️    |                                                              |
+| metaball       |   ✔️    |                                                                         |
-| object         |   ✔️    |                                                              |
+| object         |   ✔️    |                                                                         |
-| texts          |   ✔️    |                                                              |
+| texts          |   ✔️    |                                                                         |
-| scene          |   ✔️    |                                                              |
+| scene          |   ✔️    |                                                                         |
-| world          |   ✔️    |                                                              |
+| world          |   ✔️    |                                                                         |
-| volumes        |   ✔️    |                                                              |
+| volumes        |   ✔️    |                                                                         |
-| lightprobes    |   ✔️    |                                                              |
+| lightprobes    |   ✔️    |                                                                         |
-| physics        |   ✔️    |                                                              |
+| physics        |   ✔️    |                                                                         |
-| curve          |   ❗    |                 Nurbs surfaces not supported                 |
+| textures       |   ✔️    |                                                                         |
-| textures       |   ❗    |       Supported for modifiers/materials/geo nodes only       |
+| curve          |   ❗    |                      Nurbs surfaces not supported                       |
-| armature       |   ❗    |                          Not stable                          |
+| armature       |   ❗    |          Only for Mesh. [Planned for GPencil](https://gitlab.com/slumber/multi-user/-/issues/161). Not stable yet           |
-| particles      |   ❗    |                   The cache isn't syncing.                   |
+| particles      |   ❗    |                        The cache isn't syncing.                         |
-| speakers       |   ❗    | [Partial](https://gitlab.com/slumber/multi-user/-/issues/65) |
+| speakers       |   ❗    |      [Partial](https://gitlab.com/slumber/multi-user/-/issues/65)       |
-| vse            |   ❗    |               Mask and Clip not supported yet                |
+| vse            |   ❗    |                     Mask and Clip not supported yet                     |
-| libraries      |   ❗    |                           Partial                            |
+| libraries      |   ❌    |                                                                         |
-| nla            |   ❌    |                                                              |
+| nla            |   ❌    |                                                                         |
-| texts          |   ❌    | [Planned](https://gitlab.com/slumber/multi-user/-/issues/81) |
+| texts          |   ❌    | [Planned for v0.5.0](https://gitlab.com/slumber/multi-user/-/issues/81) |
-| compositing    |   ❌    | [Planned](https://gitlab.com/slumber/multi-user/-/issues/46) |
+| compositing    |   ❌    | [Planned for v0.5.0](https://gitlab.com/slumber/multi-user/-/issues/46) |
 
 
 

docs/conf.py

@@ -19,10 +19,10 @@ import sys
 
 project = 'multi-user'
 copyright = '2020, Swann Martinez'
-author = 'Swann Martinez, with contributions from Poochy'
+author = 'Swann Martinez, Poochy, Fabian'
 
 # The full version, including alpha/beta/rc tags
-release = '0.2.0'
+release = '0.5.0-develop'
 
 
 # -- General configuration ---------------------------------------------------

docs/getting_started/quickstart.rst

@@ -215,8 +215,10 @@ One of the most vital tools is the **Online user panel**. It lists all connected
 users' information including your own:
 
 * **Role** : if a user is an admin or a regular user.
-* **Location**: Where the user is actually working.
+* **Username** : Name of the user.
+* **Mode** : User's active editing mode (edit_mesh, paint,etc.).
 * **Frame**: When (on which frame) the user is working.
+* **Location**: Where the user is actually working.
 * **Ping**: user's connection delay in milliseconds
 
 .. figure:: img/quickstart_users.png
@@ -273,6 +275,7 @@ it draw users' related information in your viewport such as:
 
 * Username
 * User point of view
+* User active mode
 * User selection
 
 .. figure:: img/quickstart_presence.png

docs/tutorials/hosting_guide.rst

@@ -212,14 +212,14 @@ You can run the dedicated server on any platform by following these steps:
 
     .. 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.
 
@@ -562,7 +562,7 @@ The default Docker image essentially runs the equivalent of:
 
     .. code-block:: bash
 
-        replication.server -pwd admin -p 5555 -t 5000 -l DEBUG -lf multiuser_server.log
+        replication.serve -pwd admin -p 5555 -t 5000 -l DEBUG -lf multiuser_server.log
 
 This means the server will be launched with 'admin' as the administrator password, run on ports 5555:5558, use a timeout of 5 seconds, verbose 'DEBUG' log level, and with log files written to 'multiuser_server.log'. See :ref:`cmd-line` for a description of optional parameters.
 
@@ -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, 5, 0),
+    "version": (0, 4, 0),
     "description": "Enable real-time collaborative workflow inside blender",
     "blender": (2, 82, 0),
     "location": "3D View > Sidebar > Multi-User tab",
@@ -61,6 +61,7 @@ def register():
         from . import operators
         from . import handlers
         from . import ui
+        from . import icons
         from . import preferences
         from . import addon_updater_ops
 
@@ -70,6 +71,7 @@ def register():
         operators.register()
         handlers.register()
         ui.register()
+        icons.register()
     except ModuleNotFoundError as e:
         raise Exception(module_error_msg)
         logging.error(module_error_msg)
@@ -83,7 +85,9 @@ def register():
         type=preferences.SessionUser
     )
     bpy.types.WindowManager.user_index = bpy.props.IntProperty()
+    bpy.types.WindowManager.server_index = bpy.props.IntProperty()
     bpy.types.TOPBAR_MT_file_import.append(operators.menu_func_import)
+    bpy.types.TOPBAR_MT_file_export.append(operators.menu_func_export)
 
 
 def unregister():
@@ -91,14 +95,17 @@ def unregister():
     from . import operators
     from . import handlers
     from . import ui
+    from . import icons
     from . import preferences
     from . import addon_updater_ops
 
     bpy.types.TOPBAR_MT_file_import.remove(operators.menu_func_import)
+    bpy.types.TOPBAR_MT_file_export.remove(operators.menu_func_export)
 
     presence.unregister()
     addon_updater_ops.unregister()
     ui.unregister()
+    icons.unregister()
     handlers.unregister()
     operators.unregister()
     preferences.unregister()
@@ -107,5 +114,6 @@ def unregister():
     del bpy.types.ID.uuid
     del bpy.types.WindowManager.online_users
     del bpy.types.WindowManager.user_index
+    del bpy.types.WindowManager.server_index
 
     environment.unregister()

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_camera.py

@@ -56,7 +56,7 @@ class BlCamera(ReplicatedDatablock):
         background_images = data.get('background_images')
 
         datablock.background_images.clear()
-
+        # TODO: Use image uuid
         if background_images:
             for img_name, img_data in background_images.items():
                 img_id = img_data.get('image')

multi_user/bl_types/bl_gpencil.py

@@ -28,7 +28,8 @@ from replication.protocol import ReplicatedDatablock
 from .bl_datablock import resolve_datablock_from_uuid
 from .bl_action import dump_animation_data, load_animation_data, resolve_animation_dependencies
 from ..utils import get_preferences
-
+from ..timers import is_annotating
+from .bl_material import load_materials_slots, dump_materials_slots
 
 STROKE_POINT = [
     'co',
@@ -52,12 +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):
@@ -65,36 +66,9 @@ def dump_stroke(stroke):
 
         :param stroke: target grease pencil stroke
         :type stroke: bpy.types.GPencilStroke
-        :return: dict
+        :return: (p_count, p_data)
     """
-
+    return (len(stroke.points), np_dump_collection(stroke.points, STROKE_POINT))
-    assert(stroke)
-
-    dumper = Dumper()
-    dumper.include_filter = [
-        "aspect",
-        "display_mode",
-        "draw_cyclic",
-        "end_cap_mode",
-        "hardeness",
-        "line_width",
-        "material_index",
-        "start_cap_mode",
-        "uv_rotation",
-        "uv_scale",
-        "uv_translation",
-        "vertex_color_fill",
-    ]
-    dumped_stroke = dumper.dump(stroke)
-
-    # Stoke points
-    p_count = len(stroke.points)
-    dumped_stroke['p_count'] = p_count
-    dumped_stroke['points'] = np_dump_collection(stroke.points, STROKE_POINT)
-
-    # TODO: uv_factor, uv_rotation
-
-    return dumped_stroke
 
 
 def load_stroke(stroke_data, stroke):
@@ -107,12 +81,12 @@ def load_stroke(stroke_data, stroke):
     """
     assert(stroke and stroke_data)
 
-    stroke.points.add(stroke_data["p_count"])
+    stroke.points.add(stroke_data[0])
-    np_load_collection(stroke_data['points'], stroke.points, STROKE_POINT)
+    np_load_collection(stroke_data[1], stroke.points, STROKE_POINT)
 
     # HACK: Temporary fix to trigger a BKE_gpencil_stroke_geometry_update to 
     # fix fill issues
-    stroke.uv_scale = stroke_data["uv_scale"]
+    stroke.uv_scale = 1.0
 
 
 def dump_frame(frame):
@@ -147,10 +121,12 @@ def load_frame(frame_data, frame):
 
     assert(frame and frame_data)
 
+    # Load stroke points
     for stroke_data in frame_data['strokes_points']:
         target_stroke = frame.strokes.new()
         load_stroke(stroke_data, target_stroke)
 
+    # Load stroke metadata
     np_load_collection(frame_data['strokes'], frame.strokes, STROKE)
 
 
@@ -170,7 +146,6 @@ def dump_layer(layer):
         'opacity',
         'channel_color',
         'color',
-        # 'thickness', #TODO: enabling only for annotation
         'tint_color',
         'tint_factor',
         'vertex_paint_opacity',
@@ -187,7 +162,7 @@ def dump_layer(layer):
         'hide',
         'annotation_hide',
         'lock',
-        # 'lock_frame',
+        'lock_frame',
         # 'lock_material',
         # 'use_mask_layer',
         'use_lights',
@@ -195,12 +170,13 @@ def dump_layer(layer):
         'select',
         'show_points',
         'show_in_front',
+        # 'thickness'
         # 'parent',
         # 'parent_type',
         # 'parent_bone',
         # 'matrix_inverse',
     ]
-    if layer.id_data.is_annotation:
+    if layer.thickness != 0:
         dumper.include_filter.append('thickness')
 
     dumped_layer = dumper.dump(layer)
@@ -255,10 +231,10 @@ class BlGpencil(ReplicatedDatablock):
 
     @staticmethod
     def load(data: dict, datablock: object):
-        datablock.materials.clear()
+        # MATERIAL SLOTS
-        if "materials" in data.keys():
+        src_materials = data.get('materials', None)
-            for mat in data['materials']:
+        if src_materials:
-                datablock.materials.append(bpy.data.materials[mat])
+            load_materials_slots(src_materials, datablock.materials)
 
         loader = Loader()
         loader.load(datablock, data)
@@ -286,7 +262,6 @@ class BlGpencil(ReplicatedDatablock):
         dumper = Dumper()
         dumper.depth = 2
         dumper.include_filter = [
-            'materials',
             'name',
             'zdepth_offset',
             'stroke_thickness_space',
@@ -294,7 +269,7 @@ class BlGpencil(ReplicatedDatablock):
             'stroke_depth_order'
         ]
         data = dumper.dump(datablock)
-
+        data['materials'] = dump_materials_slots(datablock.materials)
         data['layers'] = {}
 
         for layer in datablock.layers:
@@ -323,7 +298,8 @@ class BlGpencil(ReplicatedDatablock):
         return bpy.context.mode == 'OBJECT' \
             or layer_changed(datablock, data) \
             or frame_changed(data) \
-            or get_preferences().sync_flags.sync_during_editmode
+            or get_preferences().sync_flags.sync_during_editmode \
+            or is_annotating(bpy.context)
 
 _type = bpy.types.GreasePencil
 _class = BlGpencil

multi_user/bl_types/bl_image.py

@@ -69,11 +69,12 @@ class BlImage(ReplicatedDatablock):
     @staticmethod
     def load(data: dict, datablock: object):
         loader = Loader()
-        loader.load(data, datablock)
+        loader.load(datablock, data)
 
+        # datablock.name = data.get('name')
         datablock.source = 'FILE'
         datablock.filepath_raw = get_filepath(data['filename'])
-        color_space_name = data["colorspace_settings"]["name"]
+        color_space_name = data.get("colorspace")
 
         if color_space_name:
             datablock.colorspace_settings.name = color_space_name
@@ -92,12 +93,10 @@ class BlImage(ReplicatedDatablock):
             "name",
             # 'source',
             'size',
-            'height',
+            'alpha_mode']
-            'alpha',
-            'float_buffer',
-            'alpha_mode',
-            'colorspace_settings']
         data.update(dumper.dump(datablock))
+        data['colorspace'] = datablock.colorspace_settings.name
+
         return data
 
     @staticmethod
@@ -132,10 +131,7 @@ class BlImage(ReplicatedDatablock):
         if datablock.is_dirty:
             datablock.save()
 
-        if not data or (datablock and (datablock.name != data.get('name'))):
+        return True
-            return True
-        else:
-            return False
 
 _type = bpy.types.Image
 _class = BlImage

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_material.py

@@ -124,8 +124,7 @@ def dump_node(node: bpy.types.ShaderNode) -> dict:
         "show_preview",
         "show_texture",
         "outputs",
-        "width_hidden",
+        "width_hidden"
-        "image"
     ]
 
     dumped_node = node_dumper.dump(node)
@@ -388,11 +387,10 @@ def load_materials_slots(src_materials: list, dst_materials: bpy.types.bpy_prop_
 
     for mat_uuid, mat_name in src_materials:
         mat_ref = None
-        if mat_uuid is not None:
+        if mat_uuid:
             mat_ref = get_datablock_from_uuid(mat_uuid, None)
         else:
             mat_ref = bpy.data.materials[mat_name]
-
         dst_materials.append(mat_ref)
 
 

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']:
-            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']
@@ -620,10 +634,8 @@ class BlObject(ReplicatedDatablock):
 
         transform = data.get('transforms', None)
         if transform:
-            datablock.matrix_parent_inverse = mathutils.Matrix(
+            datablock.matrix_parent_inverse = mathutils.Matrix(transform['matrix_parent_inverse'])
-                transform['matrix_parent_inverse'])
             datablock.matrix_basis = mathutils.Matrix(transform['matrix_basis'])
-            datablock.matrix_local = mathutils.Matrix(transform['matrix_local'])
 
 
     @staticmethod

multi_user/bl_types/bl_scene.py

@@ -403,8 +403,9 @@ class BlScene(ReplicatedDatablock):
             datablock.world = bpy.data.worlds[data['world']]
 
         # Annotation
-        if 'grease_pencil' in data.keys():
+        gpencil_uid = data.get('grease_pencil')
-            datablock.grease_pencil = bpy.data.grease_pencils[data['grease_pencil']]
+        if gpencil_uid:
+            datablock.grease_pencil = resolve_datablock_from_uuid(gpencil_uid, bpy.data.grease_pencils)
 
         if get_preferences().sync_flags.sync_render_settings:
             if 'eevee' in data.keys():
@@ -439,12 +440,21 @@ 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:
             datablock.sequence_editor_clear()
 
+        # Timeline markers
+        markers = data.get('timeline_markers')
+        if markers:
+            datablock.timeline_markers.clear()
+            for name, frame, camera in markers:
+                marker = datablock.timeline_markers.new(name, frame=frame)
+                if camera:
+                    marker.camera = resolve_datablock_from_uuid(camera, bpy.data.objects)
+                marker.select = False
         # FIXME: Find a better way after the replication big refacotoring
         # Keep other user from deleting collection object by flushing their history
         flush_history()
@@ -461,7 +471,6 @@ class BlScene(ReplicatedDatablock):
             'name',
             'world',
             'id',
-            'grease_pencil',
             'frame_start',
             'frame_end',
             'frame_step',
@@ -517,6 +526,13 @@ class BlScene(ReplicatedDatablock):
                 dumped_sequences[seq.name] = dump_sequence(seq)
             data['sequences'] = dumped_sequences
 
+        # Timeline markers
+        if datablock.timeline_markers:
+            data['timeline_markers'] = [(m.name, m.frame, getattr(m.camera, 'uuid', None)) for m in datablock.timeline_markers]
+
+        if datablock.grease_pencil:
+            data['grease_pencil'] = datablock.grease_pencil.uuid
+ 
         return data
 
     @staticmethod

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/handlers.py

@@ -52,7 +52,8 @@ def sanitize_deps_graph(remove_nodes: bool = False):
 def update_external_dependencies():
     """Force external dependencies(files such as images) evaluation 
     """
-    nodes_ids = [n.uuid for n in session.repository.graph.values() if n.data['type_id'] in ['WindowsPath', 'PosixPath']]
+    external_types = ['WindowsPath', 'PosixPath', 'Image']
+    nodes_ids = [n.uuid for n in session.repository.graph.values() if n.data['type_id'] in external_types]
     for node_id in nodes_ids:
         node = session.repository.graph.get(node_id)
         if node and node.owner in [session.repository.username, RP_COMMON]:
@@ -78,8 +79,6 @@ def on_scene_update(scene):
             logging.debug(f"Ignoring distant update of {dependency_updates[0].id.name}")
             return
 
-        update_external_dependencies()
-
         # NOTE: maybe we don't need to check each update but only the first
         for update in reversed(dependency_updates):
             update_uuid = getattr(update.id, 'uuid', None)
@@ -103,10 +102,16 @@ def on_scene_update(scene):
                 else:
                     continue
             elif isinstance(update.id, bpy.types.Scene):
-                scn_uuid = porcelain.add(session.repository, update.id)
+                scene = bpy.data.scenes.get(update.id.name)
+                scn_uuid = porcelain.add(session.repository, scene)
                 porcelain.commit(session.repository, scn_uuid)
                 porcelain.push(session.repository, 'origin', scn_uuid)
 
+        scene_graph_changed = [u for u in reversed(dependency_updates) if getattr(u.id, 'uuid', None) and isinstance(u.id,(bpy.types.Scene,bpy.types.Collection))] 
+        if scene_graph_changed:
+            porcelain.purge_orphan_nodes(session.repository)
+
+        update_external_dependencies()
 
 @persistent
 def resolve_deps_graph(dummy):
@@ -125,14 +130,29 @@ def load_pre_handler(dummy):
     if session and session.state in [STATE_ACTIVE, STATE_SYNCING]:
         bpy.ops.session.stop()
 
-
 @persistent
 def update_client_frame(scene):
+    setting = bpy.context.window_manager.session
+    if setting.replay_mode == 'TIMELINE' and \
+        setting.replay_files and \
+        scene.active_replay_file != setting.replay_frame_current :
+        index = bpy.context.scene.active_replay_file
+        bpy.ops.session.load(filepath=bpy.context.window_manager.session.replay_files[index].name,
+                             draw_users=True,
+                             replay=True)
+        setting.replay_frame_current = index
+
     if session and session.state == STATE_ACTIVE:
         porcelain.update_user_metadata(session.repository, {
             'frame_current': scene.frame_current
         })
 
+@persistent
+def post_frame_update(scene):
+    if bpy.context.window_manager.session.replay_mode == 'TIMELINE' and \
+        not bpy.context.scene.animation_data:
+        bpy.context.scene.animation_data_create()
+        bpy.context.scene.animation_data.action = bpy.data.actions.get('replay_action')
 
 def register():
     bpy.app.handlers.undo_post.append(resolve_deps_graph)

multi_user/icons/__init__.py

@@ -0,0 +1,45 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+import bpy
+import os
+
+from pathlib import Path
+import bpy.utils.previews
+
+def register():
+
+    global icons_col
+
+    pcoll = bpy.utils.previews.new()
+    icons_dir = os.path.join(os.path.dirname(__file__), ".")
+    for png in Path(icons_dir).rglob("*.png"):
+        pcoll.load(png.stem, str(png), "IMAGE")
+
+    icons_col = pcoll
+
+
+def unregister():
+
+    global icons_col
+
+    try:
+        bpy.utils.previews.remove(icons_col)
+    except Exception:
+        pass
+
+    icons_col = None

multi_user/operators.py

@@ -20,6 +20,7 @@ import asyncio
 import copy
 import gzip
 import logging
+from multi_user.preferences import ServerPreset
 import os
 import queue
 import random
@@ -28,13 +29,16 @@ import string
 import sys
 import time
 import traceback
+from uuid import uuid4
 from datetime import datetime
 from operator import itemgetter
 from pathlib import Path
 from queue import Queue
 from time import gmtime, strftime
+from numpy import interp
 
 from bpy.props import FloatProperty
+import bmesh
 
 try:
     import _pickle as pickle
@@ -56,13 +60,164 @@ 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
+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
 
+
+CLEARED_DATABLOCKS = ['actions', 'armatures', 'cache_files', 'cameras',
+                     'collections', 'curves', 'fonts',
+                     'grease_pencils', 'images', 'lattices', 'libraries',
+                     'lightprobes', 'lights', 'linestyles', 'masks',
+                     'materials', 'meshes', 'metaballs', 'movieclips',
+                     'node_groups', 'objects', 'paint_curves', 'particles',
+                     'scenes', 'shape_keys', 'sounds', 'speakers', 'texts',
+                     'textures', 'volumes', 'worlds']
+
+PERSISTENT_DATABLOCKS = ['LineStyle', 'Dots Stroke', 'replay_action']
+
+def clean_scene(ignored_datablocks: list = None):
+    """ 
+        Delete all datablock of the scene except PERSISTENT_DATABLOCKS and ignored
+        ones in ignored_datablocks.
+    """
+    PERSISTENT_DATABLOCKS.extend(ignored_datablocks)
+    # Avoid to trigger a runtime error by keeping the last scene
+    PERSISTENT_DATABLOCKS.append(bpy.data.scenes[0].name)
+
+    for type_name in CLEARED_DATABLOCKS:
+        type_collection = getattr(bpy.data, type_name)
+        for datablock in type_collection:
+            if datablock.name in PERSISTENT_DATABLOCKS:
+                logging.debug(f"Skipping {datablock.name}")
+                continue
+            else:
+                logging.debug(f"Removing {datablock.name}")
+                type_collection.remove(datablock)
+
+    # Clear sequencer
+    bpy.context.scene.sequence_editor_clear()
+
+
+def draw_user(username, metadata, radius=0.01, intensity=10.0):
+    """ 
+        Generate a mesh representation of a given user frustum and 
+        sight of view.
+    """
+    view_corners =  metadata.get('view_corners')
+    color =  metadata.get('color', (1,1,1,0))
+    objects = metadata.get('selected_objects', None)
+    scene = metadata.get('scene_current', bpy.context.scene.name)
+
+    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_obj.data.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.data.scenes[scene].collection.children.link(user_collection)
+
+
 def session_callback(name):
     """ Session callback wrapper
 
@@ -81,7 +236,6 @@ def session_callback(name):
 def initialize_session():
     """Session connection init hander 
     """
-    settings = utils.get_preferences()
     runtime_settings = bpy.context.window_manager.session
 
     if not runtime_settings.is_host:
@@ -108,7 +262,6 @@ def initialize_session():
     for d in deleyables:
         d.register()
 
-
     # Step 5: Clearing history
     utils.flush_history()
 
@@ -142,17 +295,73 @@ def on_connection_end(reason="none"):
         if isinstance(handler, logging.FileHandler):
             logger.removeHandler(handler)
     if reason != "user":
-        bpy.ops.session.notify('INVOKE_DEFAULT', message=f"Disconnected from session. Reason: {reason}. ")
+        bpy.ops.session.notify('INVOKE_DEFAULT', message=f"Disconnected from session. Reason: {reason}. ") #TODO: change op session.notify to add ui + change reason (in replication->interface)
 
+def setup_logging():
+    """ Session setup logging (host/connect)
+    """
+    settings = utils.get_preferences()
+    logger = logging.getLogger()
+    if len(logger.handlers) == 1:
+        formatter = logging.Formatter(
+            fmt='%(asctime)s CLIENT %(levelname)-8s %(message)s',
+            datefmt='%H:%M:%S'
+        )
+
+        start_time = datetime.now().strftime('%Y_%m_%d_%H-%M-%S')
+        log_directory = os.path.join(
+            settings.cache_directory,
+            f"multiuser_{start_time}.log")
+
+        os.makedirs(settings.cache_directory, exist_ok=True)
+
+        handler = logging.FileHandler(log_directory, mode='w')
+        logger.addHandler(handler)
+
+        for handler in logger.handlers:
+            if isinstance(handler, logging.NullHandler):
+                continue
+
+            handler.setFormatter(formatter)
+
+def setup_timer():
+    """ Session setup timer (host/connect)
+    """
+    settings = utils.get_preferences()
+    deleyables.append(timers.ClientUpdate())
+    deleyables.append(timers.DynamicRightSelectTimer())
+    deleyables.append(timers.ApplyTimer(timeout=settings.depsgraph_update_rate))
+
+    session_update = timers.SessionStatusUpdate()
+    session_user_sync = timers.SessionUserSync()
+    session_background_executor = timers.MainThreadExecutor(execution_queue=background_execution_queue)
+    session_listen = timers.SessionListenTimer(timeout=0.001)
+
+    session_listen.register()
+    session_update.register()
+    session_user_sync.register()
+    session_background_executor.register()
+
+    deleyables.append(session_background_executor)
+    deleyables.append(session_update)
+    deleyables.append(session_user_sync)
+    deleyables.append(session_listen)
+    deleyables.append(timers.AnnotationUpdates())
+
+def get_active_server_preset(context):
+    active_index = context.window_manager.server_index
+    server_presets = utils.get_preferences().server_preset
+
+    active_index = active_index if active_index <= len(server_presets)-1 else 0
+
+    return server_presets[active_index]
 
 # OPERATORS
-class SessionStartOperator(bpy.types.Operator):
+class SessionConnectOperator(bpy.types.Operator):
-    bl_idname = "session.start"
+    bl_idname = "session.connect"
-    bl_label = "start"
+    bl_label = "connect"
     bl_description = "connect to a net server"
 
-    host: bpy.props.BoolProperty(default=False)
-
     @classmethod
     def poll(cls, context):
         return True
@@ -161,35 +370,15 @@ class SessionStartOperator(bpy.types.Operator):
         global deleyables
 
         settings = utils.get_preferences()
-        runtime_settings = context.window_manager.session
         users = bpy.data.window_managers['WinMan'].online_users
-        admin_pass = settings.password
+        active_server = get_active_server_preset(context)
+        admin_pass = active_server.admin_password if active_server.use_admin_password else None
+        server_pass = active_server.server_password if active_server.use_server_password else ''
 
         users.clear()
         deleyables.clear()
 
-        logger = logging.getLogger()
+        setup_logging()
-        if len(logger.handlers) == 1:
-            formatter = logging.Formatter(
-                fmt='%(asctime)s CLIENT %(levelname)-8s %(message)s',
-                datefmt='%H:%M:%S'
-            )
-
-            start_time = datetime.now().strftime('%Y_%m_%d_%H-%M-%S')
-            log_directory = os.path.join(
-                settings.cache_directory,
-                f"multiuser_{start_time}.log")
-
-            os.makedirs(settings.cache_directory, exist_ok=True)
-
-            handler = logging.FileHandler(log_directory, mode='w')
-            logger.addHandler(handler)
-
-            for handler in logger.handlers:
-                if isinstance(handler, logging.NullHandler):
-                    continue
-
-                handler.setFormatter(formatter)
 
         bpy_protocol = bl_types.get_data_translation_protocol()
 
@@ -202,7 +391,78 @@ class SessionStartOperator(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
+
+        repo = Repository(
+            rdp=bpy_protocol,
+            username=settings.username)
+        
+        # Join a session
+        if not active_server.use_admin_password:
+            clean_scene()
+
+        try:
+            porcelain.remote_add(
+                repo,
+                'origin',
+                active_server.ip,
+                active_server.port,
+                server_password=server_pass,
+                admin_password=admin_pass)
+            session.connect(
+                repository= repo,
+                timeout=settings.connection_timeout,
+                server_password=server_pass,
+                admin_password=admin_pass
+            )
+        except Exception as e:
+            self.report({'ERROR'}, str(e))
+            logging.error(str(e))
+
+        # Background client updates service
+        setup_timer()
+
+        return {"FINISHED"}
+
+
+class SessionHostOperator(bpy.types.Operator):
+    bl_idname = "session.host"
+    bl_label = "host"
+    bl_description = "host server"
+
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def execute(self, context):
+        global deleyables
+
+        settings = utils.get_preferences()
+        runtime_settings = context.window_manager.session
+        users = bpy.data.window_managers['WinMan'].online_users
+        admin_pass = settings.host_admin_password if settings.host_use_admin_password else None
+        server_pass = settings.host_server_password if settings.host_use_server_password else ''
+
+        users.clear()
+        deleyables.clear()
+
+        setup_logging()
+
+        bpy_protocol = bl_types.get_data_translation_protocol()
+
+        # Check if supported_datablocks are up to date before starting the
+        # the session
+        for dcc_type_id in bpy_protocol.implementations.keys():
+            if dcc_type_id not in settings.supported_datablocks:
+                logging.info(f"{dcc_type_id} not found, \
+                             regenerate type settings...")
+                settings.generate_supported_types()
+
+
+        if bpy.app.version >= (2,91,0):
             python_binary_path = sys.executable
         else:
             python_binary_path = bpy.app.binary_path_python
@@ -212,80 +472,38 @@ class SessionStartOperator(bpy.types.Operator):
             username=settings.username)
     
         # Host a session
-        if self.host:
+        if settings.init_method == 'EMPTY':
-            if settings.init_method == 'EMPTY':
+            clean_scene()
-                utils.clean_scene()
 
-            runtime_settings.is_host = True
+        try:
-            runtime_settings.internet_ip = environment.get_ip()
+            # Init repository
+            for scene in bpy.data.scenes:
+                porcelain.add(repo, scene)
 
-            try:
+            porcelain.remote_add(
-                # Init repository
+                repo,
-                for scene in bpy.data.scenes:
+                'origin',
-                    porcelain.add(repo, scene)
+                '127.0.0.1',
-
+                settings.host_port,
-                porcelain.remote_add(
+                server_password=server_pass,
-                    repo,
+                admin_password=admin_pass)
-                    'origin',
+            session.host(
-                    '127.0.0.1',
+                repository= repo,
-                    settings.port,
+                remote='origin',
-                    admin_password=admin_pass)
+                timeout=settings.connection_timeout,
-                session.host(
+                server_password=server_pass,
-                    repository= repo,
+                admin_password=admin_pass,
-                    remote='origin',
+                cache_directory=settings.cache_directory,
-                    timeout=settings.connection_timeout,
+                server_log_level=logging.getLevelName(
-                    password=admin_pass,
+                    logging.getLogger().level),
-                    cache_directory=settings.cache_directory,
+            )
-                    server_log_level=logging.getLevelName(
+        except Exception as e:
-                        logging.getLogger().level),
+            self.report({'ERROR'}, repr(e))
-                )
+            logging.error(f"Error: {e}")
-            except Exception as e:
+            traceback.print_exc()
-                self.report({'ERROR'}, repr(e))
-                logging.error(f"Error: {e}")
-                traceback.print_exc()
-        # Join a session
-        else:
-            if not runtime_settings.admin:
-                utils.clean_scene()
-                # regular session, no password needed
-                admin_pass = None
-
-            try:
-                porcelain.remote_add(
-                    repo,
-                    'origin',
-                    settings.ip,
-                    settings.port,
-                    admin_password=admin_pass)
-                session.connect(
-                    repository= repo,
-                    timeout=settings.connection_timeout,
-                    password=admin_pass
-                )
-            except Exception as e:
-                self.report({'ERROR'}, str(e))
-                logging.error(str(e))
 
         # Background client updates service
-        deleyables.append(timers.ClientUpdate())
+        setup_timer()
-        deleyables.append(timers.DynamicRightSelectTimer())
-        deleyables.append(timers.ApplyTimer(timeout=settings.depsgraph_update_rate))
-
-        session_update = timers.SessionStatusUpdate()
-        session_user_sync = timers.SessionUserSync()
-        session_background_executor = timers.MainThreadExecutor(
-            execution_queue=background_execution_queue)
-        session_listen = timers.SessionListenTimer(timeout=0.001)
-
-        session_listen.register()
-        session_update.register()
-        session_user_sync.register()
-        session_background_executor.register()
-
-        deleyables.append(session_background_executor)
-        deleyables.append(session_update)
-        deleyables.append(session_user_sync)
-        deleyables.append(session_listen)
 
         return {"FINISHED"}
 
@@ -319,7 +537,7 @@ class SessionInitOperator(bpy.types.Operator):
 
     def execute(self, context):
         if self.init_method == 'EMPTY':
-            utils.clean_scene()
+            clean_scene()
 
         for scene in bpy.data.scenes:
             porcelain.add(session.repository, scene)
@@ -689,7 +907,6 @@ class SessionPurgeOperator(bpy.types.Operator):
 
     def execute(self, context):
         try:
-            sanitize_deps_graph(remove_nodes=True)
             porcelain.purge_orphan_nodes(session.repository)
         except Exception as e:
             self.report({'ERROR'}, repr(e))
@@ -784,7 +1001,6 @@ class SessionStopAutoSaveOperator(bpy.types.Operator):
 
         return {'FINISHED'}
 
-
 class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
     bl_idname = "session.load"
     bl_label = "Load session save"
@@ -800,14 +1016,89 @@ 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,
+    )
+
+    replay: bpy.props.BoolProperty(
+        name="Replay mode",
+        description="Enable replay functions",
+        default=False,
+    )
+
+    user_skin_radius: bpy.props.FloatProperty(
+        name="Wireframe radius",
+        description="Wireframe radius",
+        default=0.01,
+    )
+    user_color_intensity: bpy.props.FloatProperty(
+        name="Shading intensity",
+        description="Shading intensity",
+        default=1.0,
+    )
+
+    files:  bpy.props.CollectionProperty(
+        name='File paths',
+        type=bpy.types.OperatorFileListElement
+    )
+
+
+
+    def draw(self, context):
+        pass
+    
     def execute(self, context):
         from replication.repository import Repository
 
+        runtime_settings = context.window_manager.session
+
         # init the factory with supported types
         bpy_protocol = bl_types.get_data_translation_protocol()
         repo = Repository(bpy_protocol)
-        repo.loads(self.filepath)
+
-        utils.clean_scene()
+        try:
+            repo.loads(self.filepath)
+        except TypeError:
+            # Load legacy snapshots
+            db = pickle.load(gzip.open(self.filepath, "rb"))
+
+            nodes = db.get("nodes")
+
+            logging.info(f"Loading legacy {len(nodes)} node")
+            repo.object_store.clear()
+            for node, node_data in nodes:
+                    instance = Node(
+                        uuid=node,
+                        data=node_data.get('data'),
+                        owner=node_data.get('owner'),
+                        dependencies=node_data.get('dependencies'),
+                        state=FETCHED)
+                    # Patch data for compatibility
+                    type_id = node_data.get('str_type')[2:]
+                    if type_id == "File":
+                        type_id = "WindowsPath"
+                    instance.data['type_id'] = type_id
+                    repo.do_commit(instance)
+                    instance.state = FETCHED
+
+        # Persitstent collection 
+        ignored_datablocks = []
+    
+        persistent_collection = bpy.data.collections.get("multiuser_timelapse")
+        if self.replay and \
+          runtime_settings.replay_persistent_collection and \
+          persistent_collection:
+            collection_repo = Repository(
+                rdp=bpy_protocol,
+                username="None")
+            porcelain.add(collection_repo, persistent_collection)
+            porcelain.commit(collection_repo, persistent_collection.uuid)
+            for node in collection_repo.graph.values():
+                ignored_datablocks.append(node.data.get('name'))
+
+        clean_scene(ignored_datablocks=ignored_datablocks)
 
         nodes = [repo.graph.get(n) for n in repo.index_sorted]
 
@@ -822,6 +1113,69 @@ class SessionLoadSaveOperator(bpy.types.Operator, ImportHelper):
         for node in nodes:
             porcelain.apply(repo, node.uuid)
         
+        if len(self.files) > 1:
+            runtime_settings.replay_files.clear()
+            context.scene.active_replay_file = len(self.files)-1
+            directory = Path(self.filepath).parent
+            file_list = [f['name'] for f in self.files]
+            file_list.sort()
+            for f in file_list:
+                snap = runtime_settings.replay_files.add()
+                snap.name = str(Path(directory, f))
+                print(f)
+            
+            if runtime_settings.replay_mode == 'TIMELINE':
+                replay_action = bpy.data.actions.get('replay_action', bpy.data.actions.new('replay_action'))
+
+                bpy.context.scene.animation_data_create()
+                bpy.context.scene.animation_data.action = replay_action
+                if len(replay_action.fcurves) > 0 and replay_action.fcurves[0].data_path == 'active_replay_file':
+                    replay_fcurve = replay_action.fcurves[0]
+                else:
+                    replay_fcurve = replay_action.fcurves.new('active_replay_file')
+                
+                for p in reversed(replay_fcurve.keyframe_points): 
+                    replay_fcurve.keyframe_points.remove(p, fast=True)
+
+                duration = runtime_settings.replay_duration
+                file_count = len(self.files)-1
+                for index in range(0, file_count):
+                    frame = interp(index, [0, file_count], [bpy.context.scene.frame_start, duration])
+                    replay_fcurve.keyframe_points.insert(frame, index)
+                
+
+        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)
+
+        # Relink the persistent collection
+        if self.replay and persistent_collection:
+                logging.info(f"Relinking {persistent_collection.name}")
+                bpy.context.scene.collection.children.link(persistent_collection)
+        
+        # Reasign scene action
+        if self.replay and \
+            runtime_settings.replay_mode == 'TIMELINE' and \
+            not bpy.context.scene.animation_data :
+            bpy.context.scene.animation_data_create()
+            bpy.context.scene.animation_data.action = bpy.data.actions.get('replay_action')
+            bpy.context.scene.frame_end = runtime_settings.replay_duration
+        
+        # Reasign the scene camera
+        if self.replay and \
+            runtime_settings.replay_persistent_collection and \
+            runtime_settings.replay_camera:
+            bpy.context.scene.camera = runtime_settings.replay_camera
+            
+
         
         return {'FINISHED'}
     
@@ -829,14 +1183,125 @@ 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"
-    bl_label = "add server preset"
+    bl_label = "Add server preset"
-    bl_description = "add the current server to the server preset list"
+    bl_description = "add a server to the server preset list"
     bl_options = {"REGISTER"}
 
-    name : bpy.props.StringProperty(default="server_preset")
+    server_name: bpy.props.StringProperty(default="")
+    ip: bpy.props.StringProperty(default="127.0.0.1")
+    port: bpy.props.IntProperty(default=5555)
+    use_server_password: bpy.props.BoolProperty(default=False)
+    server_password: bpy.props.StringProperty(default="", subtype = "PASSWORD")
+    use_admin_password: bpy.props.BoolProperty(default=False)
+    admin_password: bpy.props.StringProperty(default="", subtype = "PASSWORD")
+
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def invoke(self, context, event):
+        self.server_name = ""
+        self.ip = "127.0.0.1"
+        self.port = 5555
+        self.use_server_password = False
+        self.server_password = ""
+        self.use_admin_password = False
+        self.admin_password = ""
+
+        assert(context)
+        return context.window_manager.invoke_props_dialog(self)
+
+    def draw(self, context):
+        layout = self.layout
+
+        row = layout.row() 
+        row.prop(self, "server_name", text="Server name")
+        row = layout.row(align = True)
+        row.prop(self, "ip", text="IP+port")
+        row.prop(self, "port", text="")
+        row = layout.row()
+        col = row.column()
+        col.prop(self, "use_server_password", text="Server password:")
+        col = row.column()
+        col.enabled = True if self.use_server_password else False
+        col.prop(self, "server_password", text="")
+        row = layout.row()
+        col = row.column()
+        col.prop(self, "use_admin_password", text="Admin password:")
+        col = row.column()
+        col.enabled = True if self.use_admin_password else False
+        col.prop(self, "admin_password", text="")
+        
+    def execute(self, context):
+        assert(context)
+
+        settings = utils.get_preferences()
+        existing_preset = settings.get_server_preset(self.server_name)
+
+        new_server = existing_preset if existing_preset else settings.server_preset.add()
+        new_server.name = str(uuid4())
+        new_server.server_name = self.server_name
+        new_server.ip = self.ip
+        new_server.port = self.port
+        new_server.use_server_password = self.use_server_password
+        new_server.server_password = self.server_password
+        new_server.use_admin_password = self.use_admin_password
+        new_server.admin_password = self.admin_password
+
+        refresh_sidebar_view()
+
+        if new_server == existing_preset :
+            self.report({'INFO'}, "Server '" + self.server_name + "' edited")
+        else :
+            self.report({'INFO'}, "New '" + self.server_name + "' server preset")
+
+        return {'FINISHED'}
+
+
+class SessionPresetServerEdit(bpy.types.Operator): # TODO : use preset, not settings
+    """Edit a server to the server list preset"""
+    bl_idname = "session.preset_server_edit"
+    bl_label = "Edit server preset"
+    bl_description = "Edit a server from the server preset list"
+    bl_options = {"REGISTER"}
+
+    target_server_name: bpy.props.StringProperty(default="None")
 
     @classmethod
     def poll(cls, context):
@@ -848,35 +1313,39 @@ class SessionPresetServerAdd(bpy.types.Operator):
 
     def draw(self, context):
         layout = self.layout
-
-        col = layout.column()
         settings = utils.get_preferences()
+        settings_active_server = settings.server_preset.get(self.target_server_name)
         
-        col.prop(settings, "server_name", text="server name")
+        row = layout.row()
+        row.prop(settings_active_server, "server_name", text="Server name")
+        row = layout.row(align = True)
+        row.prop(settings_active_server, "ip", text="IP+port")
+        row.prop(settings_active_server, "port", text="")
+        row = layout.row()
+        col = row.column()
+        col.prop(settings_active_server, "use_server_password", text="Server password:")
+        col = row.column()
+        col.enabled = True if settings_active_server.use_server_password else False
+        col.prop(settings_active_server, "server_password", text="")
+        row = layout.row()
+        col = row.column()
+        col.prop(settings_active_server, "use_admin_password", text="Admin password:")
+        col = row.column()
+        col.enabled = True if settings_active_server.use_admin_password else False
+        col.prop(settings_active_server, "admin_password", text="")
         
     def execute(self, context):
         assert(context)
 
         settings = utils.get_preferences()
+        settings_active_server = settings.server_preset.get(self.target_server_name)
 
-        existing_preset = settings.server_preset.get(settings.server_name)
+        refresh_sidebar_view()
 
-        new_server = existing_preset if existing_preset else settings.server_preset.add()
+        self.report({'INFO'}, "Server '" + settings_active_server.server_name + "' edited")
-        new_server.name = settings.server_name
-        new_server.server_ip = settings.ip
-        new_server.server_port = settings.port
-        new_server.server_password = settings.password
-
-        settings.server_preset_interface = settings.server_name
-
-        if new_server == existing_preset :
-            self.report({'INFO'}, "Server '" + settings.server_name + "' override")
-        else :
-            self.report({'INFO'}, "New '" + settings.server_name + "' server preset")
 
         return {'FINISHED'}
 
-
 class SessionPresetServerRemove(bpy.types.Operator):
     """Remove a server to the server list preset"""
     bl_idname = "session.preset_server_remove"
@@ -884,6 +1353,8 @@ class SessionPresetServerRemove(bpy.types.Operator):
     bl_description = "remove the current server from the server preset list"
     bl_options = {"REGISTER"}
     
+    target_server_name: bpy.props.StringProperty(default="None")
+
     @classmethod
     def poll(cls, context):
         return True
@@ -892,19 +1363,97 @@ class SessionPresetServerRemove(bpy.types.Operator):
         assert(context)
 
         settings = utils.get_preferences()
-
+        settings.server_preset.remove(settings.server_preset.find(self.target_server_name))
-        settings.server_preset.remove(settings.server_preset.find(settings.server_preset_interface))
 
         return {'FINISHED'}
         
+class RefreshServerStatus(bpy.types.Operator):
+    bl_idname = "session.get_info"
+    bl_label = "Get session info"
+    bl_description = "Get session info"
 
+    target_server: bpy.props.StringProperty(default="127.0.0.1:5555")
+
+    @classmethod
+    def poll(cls, context):
+        return (session.state != STATE_ACTIVE)
+
+    def execute(self, context):
+        settings = utils.get_preferences()
+
+        for server in settings.server_preset:
+            infos = porcelain.request_session_info(f"{server.ip}:{server.port}", timeout=settings.ping_timeout)
+            server.is_online = True if infos else False
+            if server.is_online:
+                server.is_private = infos.get("private")
+
+        return {'FINISHED'}
+
+class GetDoc(bpy.types.Operator):
+    """Get the documentation of the addon"""
+    bl_idname = "doc.get"
+    bl_label = "Multi-user's doc"
+    bl_description = "Go to the doc of the addon"
+
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def execute(self, context):
+        assert(context)
+        bpy.ops.wm.url_open(url="https://slumber.gitlab.io/multi-user/index.html")
+
+        return {'FINISHED'}
+
+class FirstLaunch(bpy.types.Operator):
+    """First time lauching the addon"""
+    bl_idname = "firstlaunch.verify"
+    bl_label = "First launch"
+    bl_description = "First time lauching the addon"
+
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def execute(self, context):
+        assert(context)
+        settings = utils.get_preferences()
+        settings.is_first_launch = False
+        settings.server_preset.clear()
+        prefs = bpy.context.preferences.addons[__package__].preferences
+        prefs.generate_default_presets()
+        return {'FINISHED'}
 
 def menu_func_import(self, context):
     self.layout.operator(SessionLoadSaveOperator.bl_idname, text='Multi-user session snapshot (.db)')
 
+def menu_func_export(self, context):
+    self.layout.operator(SessionSaveBackupOperator.bl_idname, text='Multi-user session snapshot (.db)')
+
+class SessionRenderReplay(bpy.types.Operator):
+    bl_idname = "session.render_replay"
+    bl_label = "Render Replay"
+    bl_description = "Render Replay"
+
+    @classmethod
+    def poll(cls, context):
+        return context.window_manager.session.replay_files
+
+    def execute(self, context):
+        base_path = str(context.scene.render.filepath)
+        for frame in range(0,context.scene.frame_end):
+            logging.info(f"Rendering frame {frame} to {base_path}_{frame}.png")
+            context.scene.frame_current = frame
+            filename = Path(bpy.context.window_manager.session.replay_files[context.scene.active_replay_file].name)
+            context.scene.render.filepath = f"{base_path}{frame}_{filename.stem}"
+            bpy.ops.render.render(write_still=True)
+
+        context.scene.render.filepath = base_path
+        return {'FINISHED'}
 
 classes = (
-    SessionStartOperator,
+    SessionConnectOperator,
+    SessionHostOperator,
     SessionStopOperator,
     SessionPropertyRemoveOperator,
     SessionSnapUserOperator,
@@ -918,10 +1467,16 @@ classes = (
     SessionNotifyOperator, 
     SessionSaveBackupOperator,
     SessionLoadSaveOperator,
+    SESSION_PT_ImportUser,
     SessionStopAutoSaveOperator,
     SessionPurgeOperator,
     SessionPresetServerAdd,
+    SessionPresetServerEdit,
     SessionPresetServerRemove,
+    RefreshServerStatus,
+    GetDoc,
+    FirstLaunch,
+    SessionRenderReplay,
 )
 
 

multi_user/preferences.py

@@ -17,15 +17,17 @@
 
 import random
 import logging
+from uuid import uuid4
 import bpy
 import string
 import re
 import os
+from numpy import interp
 
 from pathlib import Path
 
 from . import bl_types, environment, addon_updater_ops, presence, ui
-from .utils import get_preferences, get_expanded_icon
+from .utils import get_preferences, get_expanded_icon, get_folder_size
 from replication.constants import RP_COMMON
 from replication.interface import session
 
@@ -33,15 +35,21 @@ from replication.interface import session
 IP_REGEX = re.compile("^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$")
 HOSTNAME_REGEX = re.compile("^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$")
 
+#SERVER PRESETS AT LAUNCH
 DEFAULT_PRESETS = {
     "localhost" : {
-        "server_ip": "localhost",
+        "server_name": "localhost",
-        "server_port": 5555,
+        "ip": "localhost",
-        "server_password": "admin"
+        "port": 5555,
+        "use_admin_password": True,
+        "admin_password": "admin",
+        "server_password": ""
     },
     "public session" : {
-        "server_ip": "51.75.71.183",
+        "server_name": "public session",
-        "server_port": 5555,
+        "ip": "51.75.71.183",
+        "port": 5555,
+        "admin_password": "",
         "server_password": ""
     },
 }
@@ -78,11 +86,6 @@ def update_ip(self, context):
         logging.error("Wrong IP format")
         self['ip'] = "127.0.0.1"
 
-def update_server_preset_interface(self, context):
-    self.server_name = self.server_preset.get(self.server_preset_interface).name
-    self.ip = self.server_preset.get(self.server_preset_interface).server_ip
-    self.port = self.server_preset.get(self.server_preset_interface).server_port
-    self.password = self.server_preset.get(self.server_preset_interface).server_password 
 
 def update_directory(self, context):
     new_dir = Path(self.cache_directory)
@@ -97,6 +100,77 @@ def update_directory(self, context):
 def set_log_level(self, value):
     logging.getLogger().setLevel(value)
 
+def set_active_replay(self, value):
+    files_count = len(bpy.context.window_manager.session.replay_files)
+
+    if files_count == 0:
+        return
+
+    max_index = files_count-1
+
+    if value > max_index:
+        value = max_index
+
+    if hasattr(self, 'active_replay_file'):
+        self["active_replay_file"] = value
+    else:
+        self.active_replay_file = value
+
+    if bpy.context.window_manager.session.replay_mode == 'MANUAL':
+        bpy.ops.session.load(
+            filepath=bpy.context.window_manager.session.replay_files[value].name,
+            draw_users=True,
+            replay=True)
+
+def get_active_replay(self):
+    return self.get('active_replay_file', 0)
+
+
+def set_replay_persistent_collection(self, value):
+    if hasattr(self, 'replay_persistent_collection'):
+        self["replay_persistent_collection"] = value
+    else:
+        self.replay_persistent_collection = value
+
+    collection = bpy.data.collections.get("multiuser_timelapse", None)
+
+    if collection is None and value:
+        collection = bpy.data.collections.new('multiuser_timelapse')
+        bpy.context.scene.collection.children.link(collection)
+    elif collection and not value:
+        for o in collection.objects:
+            bpy.data.objects.remove(o)
+        bpy.data.collections.remove(collection)
+
+def get_replay_persistent_collection(self):
+    return self.get('replay_persistent_collection', False)
+
+def set_replay_duration(self, value):
+    if hasattr(self, 'replay_duration'):
+        self["replay_duration"] = value
+    else:
+        self.replay_duration = value
+
+    # Update the animation fcurve
+    replay_action = bpy.data.actions.get('replay_action')
+    replay_fcurve = None
+
+    for fcurve in replay_action.fcurves:
+        if fcurve.data_path == 'active_replay_file':
+            replay_fcurve = fcurve
+
+    if replay_fcurve:
+        for p in reversed(replay_fcurve.keyframe_points): 
+            replay_fcurve.keyframe_points.remove(p, fast=True)
+
+        bpy.context.scene.frame_end = value
+        files_count = len(bpy.context.window_manager.session.replay_files)-1
+        for index in range(0, files_count):
+            frame = interp(index,[0, files_count],[bpy.context.scene.frame_start, value])
+            replay_fcurve.keyframe_points.insert(frame, index)
+
+def get_replay_duration(self):
+    return self.get('replay_duration', 10)
 
 def get_log_level(self):
     return logging.getLogger().level
@@ -110,9 +184,15 @@ class ReplicatedDatablock(bpy.types.PropertyGroup):
     icon: bpy.props.StringProperty()
 
 class ServerPreset(bpy.types.PropertyGroup):
-    server_ip: bpy.props.StringProperty()
+    server_name: bpy.props.StringProperty(default="")
-    server_port: bpy.props.IntProperty(default=5555)
+    ip: bpy.props.StringProperty(default="127.0.0.1", update=update_ip)
-    server_password: bpy.props.StringProperty(default="admin", subtype = "PASSWORD")
+    port: bpy.props.IntProperty(default=5555)
+    use_server_password: bpy.props.BoolProperty(default=False)
+    server_password: bpy.props.StringProperty(default="", subtype = "PASSWORD")
+    use_admin_password: bpy.props.BoolProperty(default=False)
+    admin_password: bpy.props.StringProperty(default="", subtype = "PASSWORD")
+    is_online: bpy.props.BoolProperty(default=False)
+    is_private: bpy.props.BoolProperty(default=False)
 
 def set_sync_render_settings(self, value):
     self['sync_render_settings'] = value
@@ -162,35 +242,60 @@ class ReplicationFlags(bpy.types.PropertyGroup):
 class SessionPrefs(bpy.types.AddonPreferences):
     bl_idname = __package__
 
-    ip: bpy.props.StringProperty(
+    # User settings
-        name="ip",
-        description='Distant host ip',
-        default="localhost",
-        update=update_ip)
     username: bpy.props.StringProperty(
         name="Username",
         default=f"user_{random_string_digits()}"
     )
     client_color: bpy.props.FloatVectorProperty(
         name="client_instance_color",
+        description='User color',
         subtype='COLOR',
-        default=randomColor())
+        default=randomColor()
-    port: bpy.props.IntProperty(
-        name="port",
-        description='Distant host port',
-        default=5555
     )
+    # Current server settings
     server_name: bpy.props.StringProperty(
         name="server_name",
         description="Custom name of the server",
         default='localhost',
     )
-    password: bpy.props.StringProperty(
+    server_index: bpy.props.IntProperty(
-        name="password",
+        name="server_index",
-        default=random_string_digits(),
+        description="index of the server",
+    )
+    # User host session settings
+    host_port: bpy.props.IntProperty(
+        name="host_port",
+        description='Distant host port',
+        default=5555
+    )
+    host_use_server_password: bpy.props.BoolProperty(
+        name="use_server_password",
+        description='Use session password',
+        default=False
+    )
+    host_server_password: bpy.props.StringProperty(
+        name="server_password",
         description='Session password',
         subtype='PASSWORD'
     )
+    host_use_admin_password: bpy.props.BoolProperty(
+        name="use_admin_password",
+        description='Use admin password',
+        default=True
+    )
+    host_admin_password: bpy.props.StringProperty(
+        name="admin_password",
+        description='Admin password',
+        subtype='PASSWORD',
+        default='admin'
+    )
+    # Other
+    is_first_launch: bpy.props.BoolProperty(
+        name="is_fnirst_launch",
+        description="First time lauching the addon",
+        default=True
+    )
     sync_flags: bpy.props.PointerProperty(
         type=ReplicationFlags
     )
@@ -214,6 +319,11 @@ class SessionPrefs(bpy.types.AddonPreferences):
         description='connection timeout before disconnection',
         default=5000
     )
+    ping_timeout: bpy.props.IntProperty(
+        name='ping timeout',
+        description='check if servers are online',
+        default=500
+    )
     # Replication update settings
     depsgraph_update_rate: bpy.props.FloatProperty(
         name='depsgraph update rate (s)',
@@ -225,11 +335,12 @@ class SessionPrefs(bpy.types.AddonPreferences):
         description="Remove filecache from memory",
         default=False
     )
-    # for UI
+    # For UI
     category: bpy.props.EnumProperty(
         name="Category",
         description="Preferences Category",
         items=[
+            ('PREF', "Preferences", "Preferences of this add-on"),
             ('CONFIG', "Configuration", "Configuration of this add-on"),
             ('UPDATE', "Update", "Update this add-on"),
         ],
@@ -273,38 +384,58 @@ class SessionPrefs(bpy.types.AddonPreferences):
         step=1,
         subtype='PERCENTAGE',
     )
-    presence_mode_distance: bpy.props.FloatProperty(
+    presence_text_distance: bpy.props.FloatProperty(
-        name="Distance mode visibilty",
+        name="Distance text visibilty",
-        description="Adjust the distance visibilty of user's mode",
+        description="Adjust the distance visibilty of user's mode/name",
         min=0.1,
-        max=1000,
+        max=10000,
         default=100,
     )
     conf_session_identity_expanded: bpy.props.BoolProperty(
         name="Identity",
         description="Identity",
-        default=True
+        default=False
     )
     conf_session_net_expanded: bpy.props.BoolProperty(
         name="Net",
         description="net",
-        default=True
+        default=False
     )
     conf_session_hosting_expanded: bpy.props.BoolProperty(
         name="Rights",
         description="Rights",
         default=False
     )
+    conf_session_rep_expanded: bpy.props.BoolProperty(
+        name="Replication",
+        description="Replication",
+        default=False
+    )
     conf_session_cache_expanded: bpy.props.BoolProperty(
         name="Cache",
         description="cache",
         default=False
     )
+    conf_session_log_expanded: bpy.props.BoolProperty(
+        name="conf_session_log_expanded",
+        description="conf_session_log_expanded",
+        default=False
+    )
     conf_session_ui_expanded: bpy.props.BoolProperty(
         name="Interface",
         description="Interface",
         default=False
     )
+    sidebar_repository_shown: bpy.props.BoolProperty(
+        name="sidebar_repository_shown",
+        description="sidebar_repository_shown",
+        default=False
+    )
+    sidebar_advanced_shown: bpy.props.BoolProperty(
+        name="sidebar_advanced_shown",
+        description="sidebar_advanced_shown",
+        default=False
+    )
     sidebar_advanced_rep_expanded: bpy.props.BoolProperty(
         name="sidebar_advanced_rep_expanded",
         description="sidebar_advanced_rep_expanded",
@@ -315,6 +446,11 @@ class SessionPrefs(bpy.types.AddonPreferences):
         description="sidebar_advanced_log_expanded",
         default=False
     )
+    sidebar_advanced_uinfo_expanded: bpy.props.BoolProperty(
+        name="sidebar_advanced_uinfo_expanded",
+        description="sidebar_advanced_uinfo_expanded",
+        default=False
+    )
     sidebar_advanced_net_expanded: bpy.props.BoolProperty(
         name="sidebar_advanced_net_expanded",
         description="sidebar_advanced_net_expanded",
@@ -371,12 +507,6 @@ class SessionPrefs(bpy.types.AddonPreferences):
         name="server preset",
         type=ServerPreset,
     )
-    server_preset_interface: bpy.props.EnumProperty(
-        name="servers",
-        description="servers enum",
-        items=server_list_callback,
-        update=update_server_preset_interface,
-    )
 
     # Custom panel
     panel_category: bpy.props.StringProperty(
@@ -386,38 +516,28 @@ class SessionPrefs(bpy.types.AddonPreferences):
 
     def draw(self, context):
         layout = self.layout
-
         layout.row().prop(self, "category", expand=True)
 
+        if self.category == 'PREF':
+            grid = layout.column()
+
+            box = grid.box()
+            row = box.row()
+            # USER SETTINGS
+            split = row.split(factor=0.7, align=True)
+            split.prop(self, "username", text="User")
+            split.prop(self, "client_color", text="")
+
+            row = box.row()
+            row.label(text="Hide settings:")
+            row = box.row()
+            row.prop(self, "sidebar_advanced_shown", text="Hide “Advanced” settings in side pannel (Not in session)")
+            row = box.row()
+            row.prop(self, "sidebar_repository_shown", text="Hide “Repository” settings in side pannel (In session)")
+
         if self.category == 'CONFIG':
             grid = layout.column()
 
-            # USER INFORMATIONS
-            box = grid.box()
-            box.prop(
-                self, "conf_session_identity_expanded", text="User information",
-                icon=get_expanded_icon(self.conf_session_identity_expanded),
-                emboss=False)
-            if self.conf_session_identity_expanded:
-                box.row().prop(self, "username", text="name")
-                box.row().prop(self, "client_color", text="color")
-
-            # NETWORK SETTINGS
-            box = grid.box()
-            box.prop(
-                self, "conf_session_net_expanded", text="Networking",
-                icon=get_expanded_icon(self.conf_session_net_expanded),
-                emboss=False)
-
-            if self.conf_session_net_expanded:
-                box.row().prop(self, "ip", text="Address")
-                row = box.row()
-                row.label(text="Port:")
-                row.prop(self, "port", text="")
-                row = box.row()
-                row.label(text="Init the session from:")
-                row.prop(self, "init_method", text="")
-
             # HOST SETTINGS
             box = grid.box()
             box.prop(
@@ -425,9 +545,57 @@ class SessionPrefs(bpy.types.AddonPreferences):
                 icon=get_expanded_icon(self.conf_session_hosting_expanded),
                 emboss=False)
             if self.conf_session_hosting_expanded:
+                row = box.row()
+                row.prop(self, "host_port", text="Port: ")
                 row = box.row()
                 row.label(text="Init the session from:")
                 row.prop(self, "init_method", text="")
+                row = box.row()
+                col = row.column()
+                col.prop(self, "host_use_server_password", text="Server password:")
+                col = row.column()
+                col.enabled = True if self.host_use_server_password else False
+                col.prop(self, "host_server_password", text="")
+                row = box.row()
+                col = row.column()
+                col.prop(self, "host_use_admin_password", text="Admin password:")
+                col = row.column()
+                col.enabled = True if self.host_use_admin_password else False
+                col.prop(self, "host_admin_password", text="")
+
+            # NETWORKING
+            box = grid.box()
+            box.prop(
+                self, "conf_session_net_expanded", text="Network",
+                icon=get_expanded_icon(self.conf_session_net_expanded), 
+                emboss=False)
+            if self.conf_session_net_expanded:
+                row = box.row()
+                row.label(text="Timeout (ms):")
+                row.prop(self, "connection_timeout", text="")
+                row = box.row()
+                row.label(text="Server ping (ms):")
+                row.prop(self, "ping_timeout", text="")
+
+            # REPLICATION
+            box = grid.box()
+            box.prop(
+                self, "conf_session_rep_expanded", text="Replication",
+                icon=get_expanded_icon(self.conf_session_rep_expanded), 
+                emboss=False)
+            if self.conf_session_rep_expanded:
+                row = box.row()
+                row.prop(self.sync_flags, "sync_render_settings")
+                row = box.row()
+                row.prop(self.sync_flags, "sync_active_camera")
+                row = box.row()
+                row.prop(self.sync_flags, "sync_during_editmode")
+                row = box.row()
+                if self.sync_flags.sync_during_editmode:
+                    warning = row.box()
+                    warning.label(text="Don't use this with heavy meshes !", icon='ERROR')
+                    row = box.row()
+                row.prop(self, "depsgraph_update_rate", text="Apply delay")
 
             # CACHE SETTINGS
             box = grid.box()
@@ -438,25 +606,18 @@ class SessionPrefs(bpy.types.AddonPreferences):
             if self.conf_session_cache_expanded:
                 box.row().prop(self, "cache_directory", text="Cache directory")
                 box.row().prop(self, "clear_memory_filecache", text="Clear memory filecache")
+                box.row().operator('session.clear_cache', text=f"Clear cache ({get_folder_size(self.cache_directory)})")
         
-            # INTERFACE SETTINGS
+            # LOGGING
             box = grid.box()
             box.prop(
-                self, "conf_session_ui_expanded", text="Interface",
+                self, "conf_session_log_expanded", text="Logging",
-                icon=get_expanded_icon(self.conf_session_ui_expanded),
+                icon=get_expanded_icon(self.conf_session_log_expanded), 
                 emboss=False)
-            if self.conf_session_ui_expanded:
+            if self.conf_session_log_expanded:
-                box.row().prop(self, "panel_category", text="Panel category", expand=True)
                 row = box.row()
-                row.label(text="Session widget:")
+                row.label(text="Log level:")
-
+                row.prop(self, 'logging_level', text="")
-                col = box.column(align=True)
-                col.prop(self, "presence_hud_scale", expand=True)
-                
-                col.prop(self, "presence_hud_hpos", expand=True)
-                col.prop(self, "presence_hud_vpos", expand=True)
-
-                col.prop(self, "presence_mode_distance", expand=True)
 
         if self.category == 'UPDATE':
             from . import addon_updater_ops
@@ -477,18 +638,31 @@ class SessionPrefs(bpy.types.AddonPreferences):
             new_db.icon = impl.bl_icon
             new_db.bl_name = impl.bl_id
 
+    # Get a server preset through its name
+    def get_server_preset(self, name):
+        existing_preset = None
 
-    # custom at launch server preset
+        for server_preset in self.server_preset : 
+            if server_preset.server_name == name :
+                existing_preset = server_preset
+
+        return existing_preset
+
+    # Custom at launch server preset
     def generate_default_presets(self): 
         for preset_name, preset_data in DEFAULT_PRESETS.items():
-            existing_preset = self.server_preset.get(preset_name)
+            existing_preset = self.get_server_preset(preset_name)
             if existing_preset :
                 continue
             new_server = self.server_preset.add()
-            new_server.name = preset_name
+            new_server.name = str(uuid4())
-            new_server.server_ip = preset_data.get('server_ip')
+            new_server.server_name = preset_data.get('server_name')
-            new_server.server_port = preset_data.get('server_port')
+            new_server.ip = preset_data.get('ip')
+            new_server.port = preset_data.get('port')
+            new_server.use_server_password = preset_data.get('use_server_password',False)
             new_server.server_password = preset_data.get('server_password',None)
+            new_server.use_admin_password = preset_data.get('use_admin_password',False)
+            new_server.admin_password = preset_data.get('admin_password',None)
 
 
 def client_list_callback(scene, context):
@@ -576,11 +750,6 @@ class SessionProps(bpy.types.PropertyGroup):
         description='Connect as admin',
         default=False
     )
-    internet_ip: bpy.props.StringProperty(
-        name="internet ip",
-        default="no found",
-        description='Internet interface ip',
-    )
     user_snap_running: bpy.props.BoolProperty(
         default=False
     )
@@ -590,6 +759,37 @@ class SessionProps(bpy.types.PropertyGroup):
     is_host: bpy.props.BoolProperty(
         default=False
     )
+    replay_files:  bpy.props.CollectionProperty(
+        name='File paths',
+        type=bpy.types.OperatorFileListElement
+    )
+    replay_persistent_collection: bpy.props.BoolProperty(
+        name="replay_persistent_collection",
+        description='Enable a collection that persist accross frames loading',
+        get=get_replay_persistent_collection,
+        set=set_replay_persistent_collection,
+    )
+    replay_mode: bpy.props.EnumProperty(
+        name='replay method',
+        description='Replay in keyframe (timeline) or manually',
+        items={
+            ('TIMELINE', 'TIMELINE', 'Replay from the timeline.'),
+            ('MANUAL', 'MANUAL', 'Replay manually, from the replay frame widget.')},
+        default='TIMELINE')
+    replay_duration: bpy.props.IntProperty(
+        name='replay interval',
+        default=250,
+        min=10,
+        set=set_replay_duration,
+        get=get_replay_duration,
+    )
+    replay_frame_current: bpy.props.IntProperty(
+        name='replay_frame_current',
+    )
+    replay_camera: bpy.props.PointerProperty(
+        name='Replay camera',
+        type=bpy.types.Object
+    )
 
 
 classes = (
@@ -616,6 +816,16 @@ def register():
     # at launch server presets
     prefs.generate_default_presets()
 
+    bpy.types.Scene.active_replay_file = bpy.props.IntProperty(
+        name="active_replay_file",
+        default=0,
+        min=0,
+        description='Active snapshot',
+        set=set_active_replay,
+        get=get_active_replay,
+        options={'ANIMATABLE'}
+    )
+        
 
 
 def unregister():
@@ -623,3 +833,5 @@ def unregister():
 
     for cls in reversed(classes):
         unregister_class(cls)
+    
+    del bpy.types.Scene.active_replay_file

multi_user/presence.py

@@ -94,18 +94,21 @@ def project_to_viewport(region: bpy.types.Region, rv3d: bpy.types.RegionView3D,
     return [target.x, target.y, target.z]
 
 
-def bbox_from_obj(obj: bpy.types.Object) -> list:
+def bbox_from_obj(obj: bpy.types.Object, index: int = 1) -> list:
     """ Generate a bounding box for a given object by using its world matrix
 
         :param obj: target object
         :type obj: bpy.types.Object
+        :param index: indice offset
+        :type index: int 
         :return: list of 8 points [(x,y,z),...], list of 12 link between these points [(1,2),...]
     """
     radius = 1.0 # Radius of the bounding box
+    index = 8*index
     vertex_indices = (
-            (0, 1), (0, 2), (1, 3), (2, 3),
+            (0+index, 1+index), (0+index, 2+index), (1+index, 3+index), (2+index, 3+index),
-            (4, 5), (4, 6), (5, 7), (6, 7),
+            (4+index, 5+index), (4+index, 6+index), (5+index, 7+index), (6+index, 7+index),
-            (0, 4), (1, 5), (2, 6), (3, 7))
+            (0+index, 4+index), (1+index, 5+index), (2+index, 6+index), (3+index, 7+index))
 
     if obj.type == 'EMPTY':
         radius = obj.empty_display_size
@@ -117,9 +120,12 @@ def bbox_from_obj(obj: bpy.types.Object) -> list:
         radius = obj.data.display_size
     elif hasattr(obj, 'bound_box'):
         vertex_indices = (
-            (0, 1), (1, 2), (2, 3), (0, 3),
+            (0+index, 1+index), (1+index, 2+index),
-            (4, 5), (5, 6), (6, 7), (4, 7),
+            (2+index, 3+index), (0+index, 3+index),
-            (0, 4), (1, 5), (2, 6), (3, 7))
+            (4+index, 5+index), (5+index, 6+index),
+            (6+index, 7+index), (4+index, 7+index),
+            (0+index, 4+index), (1+index, 5+index),
+            (2+index, 6+index), (3+index, 7+index))
         vertex_pos = get_bb_coords_from_obj(obj)
         return vertex_pos, vertex_indices
 
@@ -136,26 +142,21 @@ def bbox_from_obj(obj: bpy.types.Object) -> list:
 
     return vertex_pos, vertex_indices
 
-def bbox_from_instance_collection(ic: bpy.types.Object) -> list:
+def bbox_from_instance_collection(ic: bpy.types.Object, index: int = 0) -> list:
     """ Generate a bounding box for a given instance collection by using its objects
 
         :param ic: target instance collection
         :type ic: bpy.types.Object
-        :param radius: bounding box radius
+        :param index: indice offset
-        :type radius: float
+        :type index: int
         :return: list of 8*objs points [(x,y,z),...], tuple of 12*objs link between these points [(1,2),...]
     """
     vertex_pos = []
     vertex_indices = ()
 
     for obj_index, obj in enumerate(ic.instance_collection.objects):
-        vertex_pos_temp, vertex_indices_temp = bbox_from_obj(obj)
+        vertex_pos_temp, vertex_indices_temp = bbox_from_obj(obj, index=index+obj_index)
         vertex_pos += vertex_pos_temp
-        vertex_indices_list_temp = list(list(indice) for indice in vertex_indices_temp)
-        for indice in vertex_indices_list_temp:
-            indice[0] += 8*obj_index
-            indice[1] += 8*obj_index
-        vertex_indices_temp = tuple(tuple(indice) for indice in vertex_indices_list_temp)
         vertex_indices += vertex_indices_temp
 
     bbox_corners = [ic.matrix_world @ mathutils.Vector(vertex) for vertex in vertex_pos]
@@ -322,6 +323,8 @@ class UserSelectionWidget(Widget):
             username):
         self.username = username
         self.settings = bpy.context.window_manager.session
+        self.current_selection_ids = []
+        self.current_selected_objects = []
 
     @property
     def data(self):
@@ -331,6 +334,15 @@ class UserSelectionWidget(Widget):
         else:
             return None
 
+    @property
+    def selected_objects(self):
+        user_selection = self.data.get('selected_objects')
+        if self.current_selection_ids != user_selection:
+            self.current_selected_objects = [find_from_attr("uuid", uid, bpy.data.objects) for uid in user_selection]
+            self.current_selection_ids = user_selection
+
+        return self.current_selected_objects
+
     def poll(self):
         if self.data is None:
             return False
@@ -345,26 +357,31 @@ class UserSelectionWidget(Widget):
             self.settings.enable_presence
 
     def draw(self):
-        user_selection = self.data.get('selected_objects')
+        vertex_pos = []
-        for select_obj in user_selection:
+        vertex_ind = []
-            obj = find_from_attr("uuid", select_obj, bpy.data.objects)
+        collection_offset = 0
-            if not obj:
+        for obj_index, obj in enumerate(self.selected_objects):
-                return
+            if obj is None:
-            if obj.instance_collection:
+                continue
-                vertex_pos, vertex_indices = bbox_from_instance_collection(obj)
+            obj_index+=collection_offset
+            if hasattr(obj, 'instance_collection') and obj.instance_collection:
+                bbox_pos, bbox_ind = bbox_from_instance_collection(obj, index=obj_index)
+                collection_offset+=len(obj.instance_collection.objects)-1
             else :
-                vertex_pos, vertex_indices = bbox_from_obj(obj)
+                bbox_pos, bbox_ind = bbox_from_obj(obj, index=obj_index)
+            vertex_pos += bbox_pos
+            vertex_ind += bbox_ind
 
-            shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
+        shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
-            batch = batch_for_shader(
+        batch = batch_for_shader(
-                shader,
+            shader,
-                'LINES',
+            'LINES',
-                {"pos": vertex_pos},
+            {"pos": vertex_pos},
-                indices=vertex_indices)
+            indices=vertex_ind)
 
-            shader.bind()
+        shader.bind()
-            shader.uniform_float("color", self.data.get('color'))
+        shader.uniform_float("color", self.data.get('color'))
-            batch.draw(shader)
+        batch.draw(shader)
 
 class UserNameWidget(Widget):
     draw_type = 'POST_PIXEL'

multi_user/timers.py

@@ -41,7 +41,8 @@ this.registry = dict()
 def is_annotating(context: bpy.types.Context):
     """ Check if the annotate mode is enabled
     """
-    return bpy.context.workspace.tools.from_space_view3d_mode('OBJECT', create=False).idname == 'builtin.annotate'
+    active_tool = bpy.context.workspace.tools.from_space_view3d_mode('OBJECT', create=False)
+    return (active_tool and active_tool.idname == 'builtin.annotate')
 
 
 class Timer(object):
@@ -136,12 +137,51 @@ class ApplyTimer(Timer):
                                                 force=True)
 
 
+class AnnotationUpdates(Timer):
+    def __init__(self, timeout=1):
+        self._annotating = False
+        self._settings = utils.get_preferences()
+
+        super().__init__(timeout)
+
+    def execute(self):
+        if session and session.state == STATE_ACTIVE:
+            ctx = bpy.context
+            annotation_gp = ctx.scene.grease_pencil
+
+            if annotation_gp and not annotation_gp.uuid:
+                ctx.scene.update_tag()
+
+            # if an annotation exist and is tracked
+            if annotation_gp and annotation_gp.uuid:
+                registered_gp = session.repository.graph.get(annotation_gp.uuid)
+                if is_annotating(bpy.context):
+                    # try to get the right on it
+                    if registered_gp.owner == RP_COMMON:
+                        self._annotating = True
+                        logging.debug(
+                            "Getting the right on the annotation GP")
+                        porcelain.lock(session.repository,
+                                        [registered_gp.uuid],
+                                        ignore_warnings=True,
+                                        affect_dependencies=False)
+
+                    if registered_gp.owner == self._settings.username:
+                        porcelain.commit(session.repository, annotation_gp.uuid)
+                        porcelain.push(session.repository, 'origin', annotation_gp.uuid)
+
+                elif self._annotating:
+                    porcelain.unlock(session.repository,
+                                    [registered_gp.uuid],
+                                    ignore_warnings=True,
+                                    affect_dependencies=False)
+                    self._annotating = False
+
 class DynamicRightSelectTimer(Timer):
     def __init__(self, timeout=.1):
         super().__init__(timeout)
-        self._last_selection = []
+        self._last_selection = set()
         self._user = None
-        self._annotating = False
 
     def execute(self):
         settings = utils.get_preferences()
@@ -152,83 +192,47 @@ class DynamicRightSelectTimer(Timer):
                 self._user = session.online_users.get(settings.username)
 
             if self._user:
-                ctx = bpy.context
+                current_selection = set(utils.get_selected_objects(
-                annotation_gp = ctx.scene.grease_pencil
-
-                if annotation_gp and not annotation_gp.uuid:
-                    ctx.scene.update_tag()
-
-                # if an annotation exist and is tracked
-                if annotation_gp and annotation_gp.uuid:
-                    registered_gp = session.repository.graph.get(annotation_gp.uuid)
-                    if is_annotating(bpy.context):
-                        # try to get the right on it
-                        if registered_gp.owner == RP_COMMON:
-                            self._annotating = True
-                            logging.debug(
-                                "Getting the right on the annotation GP")
-                            porcelain.lock(session.repository,
-                                            registered_gp.uuid,
-                                            ignore_warnings=True,
-                                            affect_dependencies=False)
-                        
-                        if registered_gp.owner == settings.username:
-                            gp_node = session.repository.graph.get(annotation_gp.uuid)
-                            porcelain.commit(session.repository, gp_node.uuid)
-                            porcelain.push(session.repository, 'origin', gp_node.uuid)
-
-                    elif self._annotating:
-                        porcelain.unlock(session.repository,
-                                        registered_gp.uuid,
-                                        ignore_warnings=True,
-                                        affect_dependencies=False)
-
-                current_selection = utils.get_selected_objects(
                     bpy.context.scene,
                     bpy.data.window_managers['WinMan'].windows[0].view_layer
-                )
+                ))
                 if current_selection != self._last_selection:
-                    obj_common = [
+                    to_lock = list(current_selection.difference(self._last_selection))
-                        o for o in self._last_selection if o not in current_selection]
+                    to_release = list(self._last_selection.difference(current_selection))
-                    obj_ours = [
+                    instances_to_lock = list()
-                        o for o in current_selection if o not in self._last_selection]
 
-                    # change old selection right to common
+                    for node_id in to_lock:
-                    for obj in obj_common:
+                        node = session.repository.graph.get(node_id)
-                        node = session.repository.graph.get(obj)
+                        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)
+                                instances_to_lock.append(node_id)
+                    if instances_to_lock:
+                        try:
+                            porcelain.lock(session.repository,
+                                            instances_to_lock,
+                                            ignore_warnings=True,
+                                            affect_dependencies=False)
+                        except NonAuthorizedOperationError as e:
+                            logging.warning(e)
 
-                        if node and (node.owner == settings.username or node.owner == RP_COMMON):
+                    if to_release:
-                            recursive = True
+                        try:
-                            if node.data and 'instance_type' in node.data.keys():
+                            porcelain.unlock(session.repository,
-                                recursive = node.data['instance_type'] != 'COLLECTION'
+                                            to_release,
-                            try:
+                                            ignore_warnings=True,
-                                porcelain.unlock(session.repository,
+                                            affect_dependencies=True)
-                                                node.uuid,
+                        except NonAuthorizedOperationError as e:
-                                                ignore_warnings=True,
+                            logging.warning(e)
-                                                affect_dependencies=recursive)
+                    if to_lock:
-                            except NonAuthorizedOperationError:
+                        try:
-                                logging.warning(
+                            porcelain.lock(session.repository,
-                                    f"Not authorized to change {node} owner")
+                                            to_lock,
-
+                                            ignore_warnings=True,
-                    # change new selection to our
+                                            affect_dependencies=True)
-                    for obj in obj_ours:
+                        except NonAuthorizedOperationError as e:
-                        node = session.repository.graph.get(obj)
+                            logging.warning(e)
-
-                        if node and node.owner == RP_COMMON:
-                            recursive = True
-                            if node.data and 'instance_type' in node.data.keys():
-                                recursive = node.data['instance_type'] != 'COLLECTION'
-
-                            try:
-                                porcelain.lock(session.repository,
-                                               node.uuid,
-                                               ignore_warnings=True,
-                                               affect_dependencies=recursive)
-                            except NonAuthorizedOperationError:
-                                logging.warning(
-                                    f"Not authorized to change {node} owner")
-                        else:
-                            return
 
                     self._last_selection = current_selection
 
@@ -242,17 +246,16 @@ class DynamicRightSelectTimer(Timer):
                     # Fix deselection until right managment refactoring (with Roles concepts)
                     if len(current_selection) == 0 :
                         owned_keys = [k for k, v in session.repository.graph.items() if v.owner==settings.username]
-                        for key in owned_keys:
+                        if owned_keys:
-                            node = session.repository.graph.get(key)
                             try:
                                 porcelain.unlock(session.repository,
-                                                key,
+                                                owned_keys,
                                                 ignore_warnings=True,
                                                 affect_dependencies=True)
-                            except NonAuthorizedOperationError:
+                            except NonAuthorizedOperationError as e:
-                                logging.warning(
+                                logging.warning(e)
-                                    f"Not authorized to change {key} owner")
 
+            # Objects selectability
             for obj in bpy.data.objects:
                 object_uuid = getattr(obj, 'uuid', None)
                 if object_uuid:

multi_user/ui.py

@@ -16,7 +16,9 @@
 # ##### END GPL LICENSE BLOCK #####
 
 
+from logging import log
 import bpy
+import bpy.utils.previews
 
 from .utils import get_preferences, get_expanded_icon, get_folder_size, get_state_str
 from replication.constants import (ADDED, ERROR, FETCHED,
@@ -71,162 +73,132 @@ class SESSION_PT_settings(bpy.types.Panel):
 
     def draw_header(self, context):
         layout = self.layout
+        settings = get_preferences()
+
+        from multi_user import icons
+        offline_icon = icons.icons_col["session_status_offline"]
+        waiting_icon = icons.icons_col["session_status_waiting"]
+        online_icon = icons.icons_col["session_status_online"]
+
         if session and session.state != STATE_INITIAL:
             cli_state = session.state
             state =  session.state
-            connection_icon = "KEYTYPE_MOVING_HOLD_VEC"
+            connection_icon = offline_icon
 
             if state == STATE_ACTIVE:
-                connection_icon = 'PROP_ON'
+                connection_icon = online_icon
             else:
-                connection_icon = 'PROP_CON'
+                connection_icon = waiting_icon
 
-            layout.label(text=f"Session - {get_state_str(cli_state)}", icon=connection_icon)
+            layout.label(text=f"{str(settings.server_name)} - {get_state_str(cli_state)}", icon_value=connection_icon.icon_id)
         else:
-            layout.label(text=f"Session - v{__version__}",icon="PROP_OFF")
+            layout.label(text=f"Multi-user - v{__version__}", icon="ANTIALIASED")
 
     def draw(self, context):
         layout = self.layout
-        row = layout.row()
         runtime_settings = context.window_manager.session
         settings = get_preferences()
 
-        if hasattr(context.window_manager, 'session'):
+        if settings.is_first_launch:
-            # STATE INITIAL
+            # USER SETTINGS
-            if not session \
+            row = layout.row()
-               or (session and session.state == STATE_INITIAL):
+            row.label(text="1. Enter your username and color:")
-                pass
+            row = layout.row()
-            else:
+            split = row.split(factor=0.7, align=True)
-                progress = session.state_progress           
+            split.prop(settings, "username", text="")
-                row = layout.row()
+            split.prop(settings, "client_color", text="")
 
-                current_state = session.state
+            # DOC
-                info_msg = None
+            row = layout.row()
+            row.label(text="2. New here ? See the doc:")
+            row = layout.row()
+            row.operator("doc.get", text="Documentation", icon="HELP")
         
-                if current_state in [STATE_ACTIVE]:
+            # START
-                    row = row.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
+            row = layout.row()
-                    row.prop(settings.sync_flags, "sync_render_settings",text="",icon_only=True, icon='SCENE')
+            row.label(text="3: Start the Multi-user:")
-                    row.prop(settings.sync_flags, "sync_during_editmode", text="",icon_only=True, icon='EDITMODE_HLT')
+            row = layout.row()
-                    row.prop(settings.sync_flags, "sync_active_camera", text="",icon_only=True, icon='VIEW_CAMERA')
+            row.scale_y = 2
+            row.operator("firstlaunch.verify", text="Continue")
         
-                row= layout.row()
+        if not settings.is_first_launch:
+            if hasattr(context.window_manager, 'session'):
+                # STATE INITIAL
+                if not session \
+                or (session and session.state == STATE_INITIAL):
+                    layout = self.layout
+                    settings = get_preferences()
+                    server_preset = settings.server_preset
+                    selected_server = context.window_manager.server_index if context.window_manager.server_index<=len(server_preset)-1 else 0
+                    active_server_name = server_preset[selected_server].name if len(server_preset)>=1 else ""
+                    is_server_selected = True if active_server_name else False
 
-                if current_state in [STATE_ACTIVE] and runtime_settings.is_host:
+                    # SERVER LIST
-                    info_msg = f"LAN: {runtime_settings.internet_ip}" 
+                    row = layout.row()
-                if current_state == STATE_LOBBY:
+                    box = row.box()
-                    info_msg = "Waiting for the session to start."
+                    box.scale_y = 0.7
+                    split = box.split(factor=0.7)
+                    split.label(text="Server")
+                    split.label(text="Online")
 
-                if info_msg:
+                    col = row.column(align=True)
-                    info_box = row.box()
+                    col.operator("session.get_info", icon="FILE_REFRESH", text="")
-                    info_box.row().label(text=info_msg,icon='INFO')
 
-                # Progress bar
+                    row = layout.row()
-                if current_state in [STATE_SYNCING, STATE_SRV_SYNC, STATE_WAITING]:
+                    col = row.column(align=True)
-                    info_box = row.box()
+                    col.template_list("SESSION_UL_network",  "",  settings, "server_preset", context.window_manager, "server_index")
-                    info_box.row().label(text=printProgressBar(
+                    col.separator()
-                        progress['current'],
+                    connectOp = col.row()
-                        progress['total'],
+                    connectOp.enabled =is_server_selected
-                        length=16
+                    connectOp.operator("session.connect", text="Connect")
-                    ))
 
-                layout.row().operator("session.stop", icon='QUIT', text="Exit")
+                    col = row.column(align=True)
+                    col.operator("session.preset_server_add", icon="ADD", text="") # TODO : add conditions (need a name, etc..)
+                    row_visible = col.row(align=True)
+                    col_visible = row_visible.column(align=True)
+                    col_visible.enabled = is_server_selected
+                    col_visible.operator("session.preset_server_remove", icon="REMOVE", text="").target_server_name = active_server_name
+                    col_visible.separator()
+                    col_visible.operator("session.preset_server_edit", icon="GREASEPENCIL", text="").target_server_name = active_server_name
 
-class SESSION_PT_settings_network(bpy.types.Panel):
+                else:
-    bl_idname = "MULTIUSER_SETTINGS_NETWORK_PT_panel"
+                    exitbutton = layout.row()
-    bl_label = "Network"
+                    exitbutton.scale_y = 1.5
-    bl_space_type = 'VIEW_3D'
+                    exitbutton.operator("session.stop", icon='QUIT', text="Disconnect")
-    bl_region_type = 'UI'
-    bl_parent_id = 'MULTIUSER_SETTINGS_PT_panel'
 
-    @classmethod
+                    progress = session.state_progress
-    def poll(cls, context):
+                    current_state = session.state
-        return not session \
+                    info_msg = None
-            or (session and session.state == 0)
                     
-    def draw_header(self, context):
+                    if current_state == STATE_LOBBY:
-        self.layout.label(text="", icon='URL')
+                        usr = session.online_users.get(settings.username)
+                        row= layout.row()
+                        info_msg = "Waiting for the session to start."
+                        if usr and usr['admin']:
+                            info_msg = "Init the session to start."
+                            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')
 
-    def draw(self, context):
+                    # PROGRESS BAR
-        layout = self.layout
+                    if current_state in [STATE_SYNCING, STATE_SRV_SYNC, STATE_WAITING]:
+                        row= layout.row()
+                        row.label(text=f"Status: {get_state_str(current_state)}")
+                        row= layout.row()
+                        info_box = row.box()
+                        info_box.label(text=printProgressBar(
+                            progress['current'],
+                            progress['total'],
+                            length=16
+                        ))
 
-        runtime_settings = context.window_manager.session
+class SESSION_PT_host_settings(bpy.types.Panel):
-        settings = get_preferences()
+    bl_idname = "MULTIUSER_SETTINGS_HOST_PT_panel"
-
+    bl_label = "Hosting"
-        # USER SETTINGS
-        row = layout.row()
-        row.prop(runtime_settings, "session_mode", expand=True)
-        row = layout.row()
-                     
-        col = row.row(align=True)
-        col.prop(settings, "server_preset_interface", text="")
-        col.operator("session.preset_server_add", icon='ADD', text="")
-        col.operator("session.preset_server_remove", icon='REMOVE', text="")
-
-        row = layout.row()
-        box = row.box()
-
-        if runtime_settings.session_mode == 'HOST':
-            row = box.row()
-            row.label(text="Port:")
-            row.prop(settings, "port", text="")
-            row = box.row()
-            row.label(text="Start from:")
-            row.prop(settings, "init_method", text="")
-            row = box.row()
-            row.label(text="Admin password:")
-            row.prop(settings, "password", text="")
-            row = box.row()
-            row.operator("session.start", text="HOST").host = True
-        else:
-            row = box.row()
-            row.prop(settings, "ip", text="IP")
-            row = box.row()
-            row.label(text="Port:")
-            row.prop(settings, "port", text="")
-
-            row = box.row()
-            row.prop(runtime_settings, "admin", text='Connect as admin', icon='DISCLOSURE_TRI_DOWN' if runtime_settings.admin
-                     else 'DISCLOSURE_TRI_RIGHT')
-            if runtime_settings.admin:
-                row = box.row()
-                row.label(text="Password:")
-                row.prop(settings, "password", text="")
-            row = box.row()
-            row.operator("session.start", text="CONNECT").host = False
-
-class SESSION_PT_settings_user(bpy.types.Panel):
-    bl_idname = "MULTIUSER_SETTINGS_USER_PT_panel"
-    bl_label = "User info"
-    bl_space_type = 'VIEW_3D'
-    bl_region_type = 'UI'
-    bl_parent_id = 'MULTIUSER_SETTINGS_PT_panel'
-
-    @classmethod
-    def poll(cls, context):
-        return not session \
-            or (session and session.state == 0)
-    
-    def draw_header(self, context):
-        self.layout.label(text="", icon='USER')
-
-    def draw(self, context):
-        layout = self.layout
-
-        runtime_settings = context.window_manager.session
-        settings = get_preferences()
-
-        row = layout.row()
-        # USER SETTINGS
-        row.prop(settings, "username", text="name")
-
-        row = layout.row()
-        row.prop(settings, "client_color", text="color")
-        row = layout.row()
-
-
-class SESSION_PT_advanced_settings(bpy.types.Panel):
-    bl_idname = "MULTIUSER_SETTINGS_REPLICATION_PT_panel"
-    bl_label = "Advanced"
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'
     bl_parent_id = 'MULTIUSER_SETTINGS_PT_panel'
@@ -234,19 +206,82 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
 
     @classmethod
     def poll(cls, context):
+        settings = get_preferences()
         return not session \
-            or (session and session.state == 0)
+            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 = "General Settings"
+    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='PREFERENCES')
         
     def draw(self, context):
         layout = self.layout
-
-        runtime_settings = context.window_manager.session
         settings = get_preferences()
 
+        #ADVANCED USER INFO
+        uinfo_section = layout.row().box()
+        uinfo_section.prop(
+            settings,
+            "sidebar_advanced_uinfo_expanded",
+            text="User Info",
+            icon=get_expanded_icon(settings.sidebar_advanced_uinfo_expanded), 
+            emboss=False)
+        if settings.sidebar_advanced_uinfo_expanded:
+            uinfo_section_row = uinfo_section.row()
+            uinfo_section_split = uinfo_section_row.split(factor=0.7, align=True)
+            uinfo_section_split.prop(settings, "username", text="")
+            uinfo_section_split.prop(settings, "client_color", text="")
 
+        #ADVANCED NET
         net_section = layout.row().box()
         net_section.prop(
             settings,
@@ -254,12 +289,15 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
             text="Network",
             icon=get_expanded_icon(settings.sidebar_advanced_net_expanded), 
             emboss=False)
-        
         if settings.sidebar_advanced_net_expanded:
             net_section_row = net_section.row()
             net_section_row.label(text="Timeout (ms):")
             net_section_row.prop(settings, "connection_timeout", text="")
+            net_section_row = net_section.row()
+            net_section_row.label(text="Server ping (ms):")
+            net_section_row.prop(settings, "ping_timeout", text="")
 
+        #ADVANCED REPLICATION
         replication_section = layout.row().box()
         replication_section.prop(
             settings,
@@ -267,16 +305,12 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
             text="Replication",
             icon=get_expanded_icon(settings.sidebar_advanced_rep_expanded), 
             emboss=False)
-
         if settings.sidebar_advanced_rep_expanded:
-            replication_section_row = replication_section.row()
-
             replication_section_row = replication_section.row()
             replication_section_row.prop(settings.sync_flags, "sync_render_settings")
             replication_section_row = replication_section.row()
             replication_section_row.prop(settings.sync_flags, "sync_active_camera")
             replication_section_row = replication_section.row()
-
             replication_section_row.prop(settings.sync_flags, "sync_during_editmode")
             replication_section_row = replication_section.row()
             if settings.sync_flags.sync_during_editmode:
@@ -285,7 +319,7 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
                 replication_section_row = replication_section.row()
             replication_section_row.prop(settings, "depsgraph_update_rate", text="Apply delay")
 
-        
+        #ADVANCED CACHE
         cache_section = layout.row().box()
         cache_section.prop(
             settings,
@@ -303,6 +337,8 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
             cache_section_row.prop(settings, "clear_memory_filecache", text="")
             cache_section_row = cache_section.row()
             cache_section_row.operator('session.clear_cache', text=f"Clear cache ({get_folder_size(settings.cache_directory)})")
+        
+        #ADVANCED LOG
         log_section = layout.row().box()
         log_section.prop(
             settings,
@@ -310,11 +346,11 @@ class SESSION_PT_advanced_settings(bpy.types.Panel):
             text="Logging",
             icon=get_expanded_icon(settings.sidebar_advanced_log_expanded), 
             emboss=False)
-
         if settings.sidebar_advanced_log_expanded:
             log_section_row = log_section.row()
             log_section_row.label(text="Log level:")
             log_section_row.prop(settings, 'logging_level', text="")
+
 class SESSION_PT_user(bpy.types.Panel):
     bl_idname = "MULTIUSER_USER_PT_panel"
     bl_label = "Online users"
@@ -324,7 +360,8 @@ class SESSION_PT_user(bpy.types.Panel):
 
     @classmethod
     def poll(cls, context):
-        return session and session.state in [STATE_ACTIVE, STATE_LOBBY]
+        return session \
+            and session.state in [STATE_ACTIVE, STATE_LOBBY]
 
     def draw_header(self, context):
         self.layout.label(text="", icon='USER')
@@ -336,9 +373,8 @@ class SESSION_PT_user(bpy.types.Panel):
         settings = get_preferences()
         active_user = online_users[selected_user] if len(
             online_users)-1 >= selected_user else 0
-        runtime_settings = context.window_manager.session
 
-        # Create a simple row.
+        #USER LIST
         row = layout.row()
         box = row.box()
         split = box.split(factor=0.35)
@@ -353,6 +389,7 @@ class SESSION_PT_user(bpy.types.Panel):
         layout.template_list("SESSION_UL_users",  "",  context.window_manager,
                              "online_users", context.window_manager,  "user_index")
 
+        #OPERATOR ON USER
         if active_user != 0 and active_user.username != settings.username:
             row = layout.row()
             user_operations = row.split()
@@ -436,57 +473,8 @@ class SESSION_UL_users(bpy.types.UIList):
         split.label(text=scene_current)
         split.label(text=ping)
 
-
-class SESSION_PT_presence(bpy.types.Panel):
-    bl_idname = "MULTIUSER_MODULE_PT_panel"
-    bl_label = "Presence overlay"
-    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):
-        return not session \
-            or (session and session.state in [STATE_INITIAL, STATE_ACTIVE])
-
-    def draw_header(self, context):
-        self.layout.prop(context.window_manager.session,
-                         "enable_presence", text="",icon='OVERLAY')
-
-    def draw(self, context):
-        layout = self.layout
-
-        settings = context.window_manager.session
-        pref = get_preferences()
-        layout.active = settings.enable_presence
-        
-        row = layout.row()
-        row = row.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
-        row.prop(settings, "presence_show_selected",text="",icon_only=True, icon='CUBE')
-        row.prop(settings, "presence_show_user", text="",icon_only=True, icon='CAMERA_DATA')
-        row.prop(settings, "presence_show_mode", text="",icon_only=True, icon='OBJECT_DATAMODE')
-        row.prop(settings, "presence_show_far_user", text="",icon_only=True, icon='SCENE_DATA')
-        
-        col = layout.column()
-        if settings.presence_show_mode :
-            row = col.column()
-            row.prop(pref, "presence_mode_distance", expand=True)
-
-        col.prop(settings, "presence_show_session_status")
-        if settings.presence_show_session_status :
-            row = col.column()
-            row.active = settings.presence_show_session_status
-            row.prop(pref, "presence_hud_scale", expand=True)
-            row = col.column(align=True)
-            row.active = settings.presence_show_session_status
-            row.prop(pref, "presence_hud_hpos", expand=True)
-            row.prop(pref, "presence_hud_vpos", expand=True)
-
-
 def draw_property(context, parent, property_uuid, level=0):
     settings = get_preferences()
-    runtime_settings = context.window_manager.session
     item = session.repository.graph.get(property_uuid)
     type_id = item.data.get('type_id')
     area_msg = parent.row(align=True)
@@ -506,15 +494,18 @@ def draw_property(context, parent, property_uuid, level=0):
     detail_item_box.label(text=f"{name}")
 
     # Operations
-
     have_right_to_modify = (item.owner == settings.username or \
         item.owner == RP_COMMON) and item.state != ERROR
 
+    from multi_user import icons
+    sync_status = icons.icons_col["repository_push"] #TODO: Link all icons to the right sync (push/merge/issue). For issue use "UNLINKED" for icon
+    # sync_status = icons.icons_col["repository_merge"]
+
     if have_right_to_modify:
         detail_item_box.operator(
             "session.commit",
             text="",
-            icon='TRIA_UP').target = item.uuid
+            icon_value=sync_status.icon_id).target = item.uuid
         detail_item_box.separator()
 
     if item.state in [FETCHED, UP]:
@@ -546,12 +537,72 @@ def draw_property(context, parent, property_uuid, level=0):
     else:
         detail_item_box.label(text="", icon="DECORATE_LOCKED")
 
+class SESSION_PT_sync(bpy.types.Panel):
+    bl_idname = "MULTIUSER_SYNC_PT_panel"
+    bl_label = "Synchronize"
+    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):
+        return session \
+            and session.state in [STATE_ACTIVE]
+
+    def draw_header(self, context):
+        self.layout.label(text="", icon='UV_SYNC_SELECT')
+
+    def draw(self, context):
+        layout = self.layout
+        settings = get_preferences()
+
+        row= layout.row()
+        row = row.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
+        row.prop(settings.sync_flags, "sync_render_settings",text="",icon_only=True, icon='SCENE')
+        row.prop(settings.sync_flags, "sync_during_editmode", text="",icon_only=True, icon='EDITMODE_HLT')
+        row.prop(settings.sync_flags, "sync_active_camera", text="",icon_only=True, icon='VIEW_CAMERA')
+
+
+class SESSION_PT_replay(bpy.types.Panel):
+    bl_idname = "MULTIUSER_REPLAY_PT_panel"
+    bl_label = "Replay"
+    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):
+        return context.window_manager.session.replay_files
+
+    def draw_header(self, context):
+        self.layout.label(text="", icon='RECOVER_LAST')
+
+    def draw(self, context):
+        layout = self.layout
+        settings = context.window_manager.session
+        row= layout.row()
+        row.prop(settings,'replay_mode', toggle=True, expand=True)
+        row= layout.row()
+        if settings.replay_mode == 'MANUAL':
+            row.prop(bpy.context.scene, 'active_replay_file', text="Snapshot index")
+        else:
+            row.prop(settings, 'replay_duration', text="Replay Duration")
+        row= layout.row()
+        row.prop(settings, 'replay_persistent_collection', text="persistent collection", toggle=True, icon='OUTLINER_COLLECTION')
+
+        if settings.replay_persistent_collection:
+            row= layout.row()
+            row.prop(settings, 'replay_camera', text="", icon='VIEW_CAMERA')
+
 class SESSION_PT_repository(bpy.types.Panel):
     bl_idname = "MULTIUSER_PROPERTIES_PT_panel"
     bl_label = "Repository"
     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):
@@ -564,8 +615,8 @@ 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)
+            not settings.sidebar_repository_shown
 
     def draw_header(self, context):
         self.layout.label(text="", icon='OUTLINER_OB_GROUP_INSTANCE')
@@ -579,19 +630,18 @@ class SESSION_PT_repository(bpy.types.Panel):
 
         usr = session.online_users.get(settings.username)
 
-        row = layout.row()
-
         if session.state == STATE_ACTIVE:
             if 'SessionBackupTimer' in registry:
+                row = layout.row()
                 row.alert = True
                 row.operator('session.cancel_autosave', icon="CANCEL")
                 row.alert = False
-            else:
+            # else:
-                row.operator('session.save', icon="FILE_TICK")
+            #     row.operator('session.save', icon="FILE_TICK")
 
             box = layout.box()
             row = box.row()
-            row.prop(runtime_settings, "filter_owned", text="Show only owned Nodes", icon_only=True, icon="DECORATE_UNLOCKED")
+            row.prop(runtime_settings, "filter_owned", text="Only show owned data blocks", icon_only=True, icon="DECORATE_UNLOCKED")
             row = box.row()
             row.prop(runtime_settings, "filter_name", text="Filter")
             row = box.row()
@@ -599,27 +649,18 @@ class SESSION_PT_repository(bpy.types.Panel):
             # Properties
             owned_nodes = [k for k, v in  session.repository.graph.items() if v.owner==settings.username]
 
-            filtered_node = owned_nodes if runtime_settings.filter_owned else session.repository.graph.keys()
+            filtered_node = owned_nodes if runtime_settings.filter_owned else list(session.repository.graph.keys())
 
             if runtime_settings.filter_name:
-                for node_id in filtered_node:
+                filtered_node = [n for n in filtered_node if runtime_settings.filter_name.lower() in session.repository.graph.get(n).data.get('name').lower()]
-                    node_instance = session.repository.graph.get(node_id)
-                    name = node_instance.data.get('name')
-                    if runtime_settings.filter_name not in name:
-                        filtered_node.remove(node_id)
 
             if filtered_node:
                 col = layout.column(align=True)
                 for key in filtered_node:
                     draw_property(context, col, key)
-
             else:
                 layout.row().label(text="Empty")
 
-        elif session.state == STATE_LOBBY and usr and usr['admin']:
-            row.operator("session.init", icon='TOOL_SETTINGS', text="Init")
-        else:
-            row.label(text="Waiting to start")
 
 class VIEW3D_PT_overlay_session(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
@@ -639,41 +680,70 @@ class VIEW3D_PT_overlay_session(bpy.types.Panel):
         layout.active = settings.enable_presence
         
         row = layout.row()
-        row = row.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
+        row.prop(settings, "enable_presence",text="Presence Overlay")
-        row.prop(settings, "presence_show_selected",text="",icon_only=True, icon='CUBE')
+
-        row.prop(settings, "presence_show_user", text="",icon_only=True, icon='CAMERA_DATA')
+        row = layout.row()
-        row.prop(settings, "presence_show_mode", text="",icon_only=True, icon='OBJECT_DATAMODE')
+        row.prop(settings, "presence_show_selected",text="Selected Objects")
-        row.prop(settings, "presence_show_far_user", text="",icon_only=True, icon='SCENE_DATA')
+
+        row = layout.row(align=True)
+        row.prop(settings, "presence_show_user", text="Users camera")
+        row.prop(settings, "presence_show_mode", text="Users mode")
 
         col = layout.column()
-        if settings.presence_show_mode :
+        if settings.presence_show_mode or settings.presence_show_user:
             row = col.column()
-            row.prop(pref, "presence_mode_distance", expand=True)
+            row.prop(pref, "presence_text_distance", expand=True)
+
+        row = col.column()
+        row.prop(settings, "presence_show_far_user", text="Users on different scenes")  
 
         col.prop(settings, "presence_show_session_status")
         if settings.presence_show_session_status :
-            row = col.column()
+            split = layout.split()
-            row.active = settings.presence_show_session_status
+            text_pos = split.column(align=True)
-            row.prop(pref, "presence_hud_scale", expand=True)
+            text_pos.active = settings.presence_show_session_status
-            row = col.column(align=True)
+            text_pos.prop(pref, "presence_hud_hpos", expand=True)
-            row.active = settings.presence_show_session_status
+            text_pos.prop(pref, "presence_hud_vpos", expand=True)
-            row.prop(pref, "presence_hud_hpos", expand=True)
+            text_scale = split.column()
-            row.prop(pref, "presence_hud_vpos", expand=True)
+            text_scale.active = settings.presence_show_session_status
+            text_scale.prop(pref, "presence_hud_scale", expand=True)   
         
 
+class SESSION_UL_network(bpy.types.UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index, flt_flag):
+        settings = get_preferences()
+        server_name = '-'
+        server_status = 'BLANK1'
+        server_private = 'BLANK1'
+        
+        server_name = item.server_name
+
+        split = layout.split(factor=0.7)
+        if item.is_private:
+            server_private = 'LOCKED'
+            split.label(text=server_name, icon=server_private)
+        else:
+            split.label(text=server_name)
+
+        from multi_user import icons
+        server_status = icons.icons_col["server_offline"]
+        if item.is_online:
+            server_status = icons.icons_col["server_online"]
+        split.label(icon_value=server_status.icon_id)
+
 classes = (
     SESSION_UL_users,
+    SESSION_UL_network,
     SESSION_PT_settings,
-    SESSION_PT_settings_user,
+    SESSION_PT_host_settings,
-    SESSION_PT_settings_network,
-    SESSION_PT_presence,
     SESSION_PT_advanced_settings,
     SESSION_PT_user,
+    SESSION_PT_sync,
     SESSION_PT_repository,
     VIEW3D_PT_overlay_session,
+    SESSION_PT_replay,
 )
 
-
 register, unregister = bpy.utils.register_classes_factory(classes)
 
 if __name__ == "__main__":

multi_user/utils.py

@@ -38,15 +38,6 @@ from replication.constants import (STATE_ACTIVE, STATE_AUTH,
                                   STATE_LOBBY,
                                   CONNECTING)
 
-CLEARED_DATABLOCKS = ['actions', 'armatures', 'cache_files', 'cameras',
-                     'collections', 'curves', 'filepath', 'fonts',
-                     'grease_pencils', 'images', 'lattices', 'libraries',
-                     'lightprobes', 'lights', 'linestyles', 'masks',
-                     'materials', 'meshes', 'metaballs', 'movieclips',
-                     'node_groups', 'objects', 'paint_curves', 'particles',
-                     'scenes', 'shape_keys', 'sounds', 'speakers', 'texts',
-                     'textures', 'volumes', 'worlds']
-
 def find_from_attr(attr_name, attr_value, list):
     for item in list:
         if getattr(item, attr_name, None) == attr_value:
@@ -108,26 +99,6 @@ def get_state_str(state):
     return state_str
 
 
-def clean_scene():
-    for type_name in CLEARED_DATABLOCKS:
-        sub_collection_to_avoid = [
-            bpy.data.linestyles.get('LineStyle'),
-            bpy.data.materials.get('Dots Stroke')
-        ]
-
-        type_collection = getattr(bpy.data, type_name)
-        items_to_remove = [i for i in type_collection if i not in sub_collection_to_avoid]
-        for item in items_to_remove:
-            try:
-                type_collection.remove(item)
-                logging.info(item.name)
-            except:
-                continue
-
-    # Clear sequencer
-    bpy.context.scene.sequence_editor_clear()
-
-
 def get_selected_objects(scene, active_view_layer):
     return [obj.uuid for obj in scene.objects if obj.select_get(view_layer=active_view_layer)]
 

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)

tests/test_bl_types/test_scene.py

@@ -12,6 +12,8 @@ def test_scene(clear_blend):
     get_preferences().sync_flags.sync_render_settings = True
 
     datablock = bpy.data.scenes.new("toto")
+    datablock.timeline_markers.new('toto', frame=10)
+    datablock.timeline_markers.new('tata', frame=1)
     datablock.view_settings.use_curve_mapping = True
     # Test
     implementation = BlScene()

tests/test_operators.py

@@ -1,20 +0,0 @@
-import os
-
-import pytest
-from deepdiff import DeepDiff
-
-import bpy
-import random
-
-
-def test_start_session():
-    result = bpy.ops.session.start()
-
-
-    assert 'FINISHED' in result
-
-def test_stop_session():
-
-    result = bpy.ops.session.stop()
-
-    assert 'FINISHED' in result