Send to Unreal - macos and linux support

docs/send2ue/introduction/quickstart.md

@@ -45,7 +45,7 @@ Once you have enabled the plugins and project settings, you'll be prompted to re
 
 ![7](./images/7.png)
 
-Search for "python" and then enable remote execution. Now Send to Unreal will work with your new Unreal project.
+Search for "python" and then enable `remote execution` and set the Multicast bind address to `0.0.0.0`. Now Send to Unreal will work with your new Unreal project.
 
 ![8](./images/8.png)
 

send2ue/__init__.py

@@ -25,13 +25,13 @@
 modules = [
     export,
     ingest,
+    settings,
     unreal,
     utilities,
     formatting,
     validations,
     dialog,
     file_browser,
-    settings,
     operators,
     properties,
     constants,

send2ue/dependencies/remote_execution.py

@@ -1,13 +1,13 @@
 # Copyright Epic Games, Inc. All Rights Reserved.
 
-import os
 import sys as _sys
 import json as _json
 import uuid as _uuid
 import time as _time
 import socket as _socket
 import logging as _logging
 import threading as _threading
+import bpy
 
 # Protocol constants (see PythonScriptRemoteExecution.cpp for the full protocol definition)
 _PROTOCOL_VERSION = 1                                   # Protocol version number
@@ -22,10 +22,6 @@
 _NODE_PING_SECONDS = 1                                  # Number of seconds to wait before sending another "ping" message to discover remote notes
 _NODE_TIMEOUT_SECONDS = 5                               # Number of seconds to wait before timing out a remote node that was discovered via UDP and has stopped sending "pong" responses
 
-DEFAULT_MULTICAST_TTL = 0                               # Multicast TTL (0 is limited to the local host, 1 is limited to the local subnet)
-DEFAULT_MULTICAST_GROUP_ENDPOINT = ('239.0.0.1', 6766)  # The multicast group endpoint tuple that the UDP multicast socket should join (must match the "Multicast Group Endpoint" setting in the Python plugin)
-DEFAULT_MULTICAST_BIND_ADDRESS = '127.0.0.1'            # The adapter address that the UDP multicast socket should bind to, or 127.0.0.1 to bind to all adapters (must match the "Multicast Bind Address" setting in the Python plugin)
-DEFAULT_COMMAND_ENDPOINT = ('127.0.0.1', 6776)          # The endpoint tuple for the TCP command connection hosted by this client (that the remote client will connect to)
 DEFAULT_RECEIVE_BUFFER_SIZE = 8192                      # The default receive buffer size
 
 # Execution modes (these must match the names given to LexToString for EPythonCommandExecutionMode in IPythonScriptPlugin.h)
@@ -35,22 +31,34 @@
 
 class RemoteExecutionConfig(object):
     '''
-    Configuration data for establishing a remote connection with a UE4 instance running Python.
+    Configuration data for establishing a remote connection with a Unreal Editor instance running Python.
     '''
     def __init__(self):
-        self.multicast_ttl = DEFAULT_MULTICAST_TTL
-        self.multicast_group_endpoint = DEFAULT_MULTICAST_GROUP_ENDPOINT
-        self.multicast_bind_address = DEFAULT_MULTICAST_BIND_ADDRESS
-        self.command_endpoint = DEFAULT_COMMAND_ENDPOINT
+        # The multicast group endpoint tuple that the UDP multicast socket should join (must match the "Multicast Group Endpoint" setting in the Python plugin)
+        self.multicast_ttl = bpy.context.preferences.addons["send2ue"].preferences.multicast_ttl
+
+        # The multicast group endpoint tuple that the UDP multicast socket should join (must match the "Multicast Group Endpoint" setting in the Python plugin)
+        host, port = bpy.context.preferences.addons["send2ue"].preferences.multicast_group_endpoint.split(':')
+        self.multicast_group_endpoint = (host, int(port))
+
+        # The endpoint tuple for the TCP command connection hosted by this client (that the remote client will connect to)
+        host, port = bpy.context.preferences.addons["send2ue"].preferences.command_endpoint.split(':')
+        self.command_endpoint = (host, int(port))
+
+        # The adapter address that the UDP multicast socket should bind to, or 0.0.0.0 to bind to all adapters (must match the "Multicast Bind Address" setting in the Python plugin)
+        self.multicast_bind_address = host
 
 class RemoteExecution(object):
     '''
-    A remote execution session. This class can discover remote "nodes" (UE4 instances running Python), and allow you to open a command channel to a particular instance.
+    A remote execution session. This class can discover remote "nodes" (Unreal Editor instances running Python), and allow you to open a command channel to a particular instance.
 
     Args:
         config (RemoteExecutionConfig): Configuration controlling the connection settings for this session.
     '''
-    def __init__(self, config=RemoteExecutionConfig()):
+    def __init__(self, config=None):
+        if not config:
+            config = RemoteExecutionConfig()
+
         self._config = config
         self._broadcast_connection = None
         self._command_connection = None
@@ -59,23 +67,23 @@ def __init__(self, config=RemoteExecutionConfig()):
     @property
     def remote_nodes(self):
         '''
-        Get the current set of discovered remote "nodes" (UE4 instances running Python).
+        Get the current set of discovered remote "nodes" (Unreal Editor instances running Python).
 
         Returns:
-            list: A list of dicts containg the node ID and the other data.
+            list: A list of dicts containing the node ID and the other data.
         '''
         return self._broadcast_connection.remote_nodes if self._broadcast_connection else []
 
     def start(self):
         '''
-        Start the remote execution session. This will begin the discovey process for remote "nodes" (UE4 instances running Python).
+        Start the remote execution session. This will begin the discovery process for remote "nodes" (Unreal Editor instances running Python).
         '''
         self._broadcast_connection = _RemoteExecutionBroadcastConnection(self._config, self._node_id)
         self._broadcast_connection.open()
 
     def stop(self):
         '''
-        Stop the remote execution session. This will end the discovey process for remote "nodes" (UE4 instances running Python), and close any open command connection.
+        Stop the remote execution session. This will end the discovery process for remote "nodes" (Unreal Editor instances running Python), and close any open command connection.
         '''
         self.close_command_connection()
         if self._broadcast_connection:
@@ -93,7 +101,7 @@ def has_command_connection(self):
 
     def open_command_connection(self, remote_node_id):
         '''
-        Open a command connection to the given remote "node" (a UE4 instance running Python), closing any command connection that may currently be open.
+        Open a command connection to the given remote "node" (a Unreal Editor instance running Python), closing any command connection that may currently be open.
 
         Args:
             remote_node_id (string): The ID of the remote node (this can be obtained by querying `remote_nodes`).
@@ -129,7 +137,7 @@ def run_command(self, command, unattended=True, exec_mode=MODE_EXEC_FILE, raise_
 
 class _RemoteExecutionNode(object):
     '''
-    A discovered remote "node" (aka, a UE4 instance running Python).
+    A discovered remote "node" (aka, a Unreal Editor instance running Python).
 
     Args:
         data (dict): The data representing this node (from its "pong" reponse).
@@ -153,7 +161,7 @@ def should_timeout(self, now=None):
 
 class _RemoteExecutionBroadcastNodes(object):
     '''
-    A thread-safe set of remote execution "nodes" (UE4 instances running Python).
+    A thread-safe set of remote execution "nodes" (Unreal Editor instances running Python).
     '''
     def __init__(self):
         self._remote_nodes = {}
@@ -162,7 +170,7 @@ def __init__(self):
     @property
     def remote_nodes(self):
         '''
-        Get the current set of discovered remote "nodes" (UE4 instances running Python).
+        Get the current set of discovered remote "nodes" (Unreal Editor instances running Python).
 
         Returns:
             list: A list of dicts containg the node ID and the other data.
@@ -223,7 +231,7 @@ def __init__(self, config, node_id):
     @property
     def remote_nodes(self):
         '''
-        Get the current set of discovered remote "nodes" (UE4 instances running Python).
+        Get the current set of discovered remote "nodes" (Unreal Editor instances running Python).
 
         Returns:
             list: A list of dicts containg the node ID and the other data.
@@ -232,7 +240,7 @@ def remote_nodes(self):
 
     def open(self):
         '''
-        Open the UDP based messaging and discovery connection. This will begin the discovey process for remote "nodes" (UE4 instances running Python).
+        Open the UDP based messaging and discovery connection. This will begin the discovey process for remote "nodes" (Unreal Editor instances running Python).
         '''
         self._running = True
         self._last_ping = None
@@ -242,7 +250,7 @@ def open(self):
 
     def close(self):
         '''
-        Close the UDP based messaging and discovery connection. This will end the discovey process for remote "nodes" (UE4 instances running Python).
+        Close the UDP based messaging and discovery connection. This will end the discovey process for remote "nodes" (Unreal Editor instances running Python).
         '''
         self._running = False
         if self._broadcast_listen_thread:
@@ -380,7 +388,7 @@ class _RemoteExecutionCommandConnection(object):
     Args:
         config (RemoteExecutionConfig): Configuration controlling the connection settings.
         node_id (string): The ID of the local "node" (this session).
-        remote_node_id (string): The ID of the remote "node" (the UE4 instance running Python).
+        remote_node_id (string): The ID of the remote "node" (the Unreal Editor instance running Python).
     '''
     def __init__(self, config, node_id, remote_node_id):
         self._config = config
@@ -541,7 +549,7 @@ def to_json(self):
         if self.data:
             json_obj['data'] = self.data
         return _json.dumps(json_obj, ensure_ascii=False)
-
+    
     def to_json_bytes(self):
         '''
         Convert this message to its JSON representation as UTF-8 bytes.

send2ue/dependencies/rpc/base_server.py

@@ -35,7 +35,8 @@ def run_in_main_thread(callable_instance, *args):
     globals().pop(ERROR_VALUE_NAME, None)
     EXECUTION_QUEUE.put((callable_instance, args))
 
-    for attempt in range(timeout * 10):
+    start_time = time.time()
+    while time.time() - start_time < timeout:
         if RETURN_VALUE_NAME in globals():
             return globals().get(RETURN_VALUE_NAME)
         elif ERROR_VALUE_NAME in globals():

send2ue/dependencies/rpc/client.py

@@ -1,4 +1,5 @@
 import os
+import platform
 import re
 import logging
 import inspect

send2ue/dependencies/unreal.py

@@ -31,6 +31,7 @@
     default_imports=['import unreal'],
     remap_pairs=REMAP_PAIRS,
 )
+
 rpc_client = rpc.client.RPCClient(port=UNREAL_PORT)
 unreal_response = ''
 

send2ue/properties.py

@@ -1,6 +1,7 @@
 # Copyright Epic Games, Inc. All Rights Reserved.
 
 import os
+import sys
 import uuid
 import bpy
 from .constants import ToolInfo, PathModes, Template
@@ -16,6 +17,15 @@ class Send2UeAddonProperties:
         default=True,
         description=f"This automatically creates the pre-defined collection (Export)"
     )
+    extensions_repo_path: bpy.props.StringProperty(
+        name="Extensions Repo Path",
+        default="",
+        description=(
+            "Set this path to the folder that contains your Send to Unreal python extensions. All extensions "
+            "in this folder will be automatically loaded"
+        )
+    )
+    # ------------- Remote Execution settings ------------------
     rpc_response_timeout: bpy.props.IntProperty(
         name="RPC Response Timeout",
         default=60,
@@ -27,14 +37,30 @@ class Send2UeAddonProperties:
         set=settings.set_rpc_response_timeout,
         get=settings.get_rpc_response_timeout
     )
-    extensions_repo_path: bpy.props.StringProperty(
-            name="Extensions Repo Path",
-            default="",
-            description=(
-                "Set this path to the folder that contains your Send to Unreal python extensions. All extensions "
-                "in this folder will be automatically loaded"
-            )
+    multicast_ttl: bpy.props.IntProperty(
+        name="Multicast TTL",
+        default=0,
+        description=(
+            "Limits packet propagation for multicast connections. 0 restricts to local computer, 1 restricts to "
+            "local network. Default '0'"
         )
+    )
+    multicast_group_endpoint: bpy.props.StringProperty(
+        name="Multicast Group Endpoint",
+        default="239.0.0.1:6766",
+        description=(
+            "The multicast group endpoint that the UDP multicast socket should join. Must match setting "
+            "in Unreal."
+        )
+    )
+    command_endpoint: bpy.props.StringProperty(
+        name="Command Endpoint",
+        default="127.0.0.1:6776" if sys.platform == 'win32' else "0.0.0.0:6776",
+        description=(
+            "IP for UDP multicast to bind to and TCP command connection hosted by this client. "
+            "Must match setting in Unreal."
+        )
+    )
 
 
 class Send2UeWindowMangerProperties(bpy.types.PropertyGroup):

send2ue/ui/addon_preferences.py

@@ -23,6 +23,17 @@ def draw(self, context):
         row.label(text='RPC Response Timeout')
         row.prop(self, 'rpc_response_timeout', text='')
         row = self.layout.row()
+
+        row.label(text="Multicast TTL")
+        row.prop(self, 'multicast_ttl', text='')
+        row = self.layout.row()
+        row.label(text="Multicast Group Endpoint")
+        row.prop(self, 'multicast_group_endpoint', text='')
+        row = self.layout.row()
+        row.label(text="Command Endpoint")
+        row.prop(self, 'command_endpoint', text='')
+        row = self.layout.row()
+
         row.label(text='Extensions Repo Path:')
         row = self.layout.row()
         row = row.split(factor=0.95, align=True)

tests/test_files/unreal_projects/test01/Config/DefaultEngine.ini

@@ -44,7 +44,7 @@ ManualIPAddress=
 
 [/Script/PythonScriptPlugin.PythonScriptPluginSettings]
 bRemoteExecution=True
-RemoteExecutionMulticastBindAddress=127.0.0.1
+RemoteExecutionMulticastBindAddress=0.0.0.0
 
 [/Script/WindowsTargetPlatform.WindowsTargetSettings]
 DefaultGraphicsRHI=DefaultGraphicsRHI_Default