diff options
Diffstat (limited to 'modules/multiplayer/scene_replication_interface.cpp')
| -rw-r--r-- | modules/multiplayer/scene_replication_interface.cpp | 112 |
1 files changed, 75 insertions, 37 deletions
diff --git a/modules/multiplayer/scene_replication_interface.cpp b/modules/multiplayer/scene_replication_interface.cpp index 7d9437936a..68b6bc4a24 100644 --- a/modules/multiplayer/scene_replication_interface.cpp +++ b/modules/multiplayer/scene_replication_interface.cpp @@ -1,32 +1,32 @@ -/*************************************************************************/ -/* scene_replication_interface.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ +/**************************************************************************/ +/* scene_replication_interface.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/**************************************************************************/ #include "scene_replication_interface.h" @@ -125,6 +125,20 @@ void SceneReplicationInterface::on_reset() { } void SceneReplicationInterface::on_network_process() { + // Prevent endless stalling in case of unforeseen spawn errors. + if (spawn_queue.size()) { + ERR_PRINT("An error happened during last spawn, this usually means the 'ready' signal was not emitted by the spawned node."); + for (const ObjectID &oid : spawn_queue) { + Node *node = get_id_as<Node>(oid); + ERR_CONTINUE(!node); + if (node->is_connected(SceneStringNames::get_singleton()->ready, callable_mp(this, &SceneReplicationInterface::_node_ready))) { + node->disconnect(SceneStringNames::get_singleton()->ready, callable_mp(this, &SceneReplicationInterface::_node_ready)); + } + } + spawn_queue.clear(); + } + + // Process timed syncs. uint64_t msec = OS::get_singleton()->get_ticks_msec(); for (KeyValue<int, PeerInfo> &E : peers_info) { const HashSet<ObjectID> to_sync = E.value.sync_nodes; @@ -144,17 +158,39 @@ Error SceneReplicationInterface::on_spawn(Object *p_obj, Variant p_config) { // Track node. const ObjectID oid = node->get_instance_id(); TrackedNode &tobj = _track(oid); + + // Spawn state needs to be callected after "ready", but the spawn order follows "enter_tree". ERR_FAIL_COND_V(tobj.spawner != ObjectID(), ERR_ALREADY_IN_USE); tobj.spawner = spawner->get_instance_id(); - spawned_nodes.insert(oid); + spawn_queue.insert(oid); + node->connect(SceneStringNames::get_singleton()->ready, callable_mp(this, &SceneReplicationInterface::_node_ready).bind(oid), Node::CONNECT_ONE_SHOT); + return OK; +} + +void SceneReplicationInterface::_node_ready(const ObjectID &p_oid) { + ERR_FAIL_COND(!spawn_queue.has(p_oid)); // Bug. - if (multiplayer->has_multiplayer_peer() && spawner->is_multiplayer_authority()) { - if (tobj.net_id == 0) { - tobj.net_id = ++last_net_id; + // If we are a nested spawn, we need to wait until the parent is ready. + if (p_oid != *(spawn_queue.begin())) { + return; + } + + for (const ObjectID &oid : spawn_queue) { + ERR_CONTINUE(!tracked_nodes.has(oid)); + + TrackedNode &tobj = tracked_nodes[oid]; + MultiplayerSpawner *spawner = get_id_as<MultiplayerSpawner>(tobj.spawner); + ERR_CONTINUE(!spawner); + + spawned_nodes.insert(oid); + if (multiplayer->has_multiplayer_peer() && spawner->is_multiplayer_authority()) { + if (tobj.net_id == 0) { + tobj.net_id = ++last_net_id; + } + _update_spawn_visibility(0, oid); } - _update_spawn_visibility(0, oid); } - return OK; + spawn_queue.clear(); } Error SceneReplicationInterface::on_despawn(Object *p_obj, Variant p_config) { @@ -706,6 +742,7 @@ Error SceneReplicationInterface::on_sync_receive(int p_from, const uint8_t *p_bu ofs += 4; uint32_t size = decode_uint32(&p_buffer[ofs]); ofs += 4; + ERR_FAIL_COND_V(size > uint32_t(p_buffer_len - ofs), ERR_INVALID_DATA); MultiplayerSynchronizer *sync = nullptr; if (net_id & 0x80000000) { sync = Object::cast_to<MultiplayerSynchronizer>(multiplayer->get_path_cache()->get_cached_object(p_from, net_id & 0x7FFFFFFF)); @@ -720,14 +757,15 @@ Error SceneReplicationInterface::on_sync_receive(int p_from, const uint8_t *p_bu } Node *node = sync->get_root_node(); if (sync->get_multiplayer_authority() != p_from || !node) { - ERR_CONTINUE(true); + // Not valid for me. + ofs += size; + ERR_CONTINUE_MSG(true, "Ignoring sync data from non-authority or for missing node."); } if (!sync->update_inbound_sync_time(time)) { // State is too old. ofs += size; continue; } - ERR_FAIL_COND_V(size > uint32_t(p_buffer_len - ofs), ERR_BUG); const List<NodePath> props = sync->get_replication_config()->get_sync_properties(); Vector<Variant> vars; vars.resize(props.size()); |