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godot/modules/multiplayer/scene_replication_interface.h

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[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
/**************************************************************************/
/* scene_replication_interface.h */
/**************************************************************************/
/* 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. */
/**************************************************************************/
Code quality: Fix header guards consistency Adds `header_guards.sh` bash script, used in CI to validate future changes. Can be run locally to fix invalid header guards.
2022-07-24 05:41:51 +08:00
#ifndef SCENE_REPLICATION_INTERFACE_H
#define SCENE_REPLICATION_INTERFACE_H
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
#include "multiplayer_spawner.h"
#include "multiplayer_synchronizer.h"
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
Style: Harmonize header includes in modules This applies our existing style guide, and adds a new rule to that style guide for modular components such as platform ports and modules: Includes from the platform port or module ("local" includes) should be listed first in their own block using relative paths, before Godot's "core" includes which use "absolute" (project folder relative) paths, and finally thirdparty includes. Includes in `#ifdef`s come after their relevant section, i.e. the overall structure is: - Local includes * Conditional local includes - Core includes * Conditional core includes - Thirdparty includes * Conditional thirdparty includes
2023-06-13 22:56:21 +08:00
#include "core/object/ref_counted.h"
[Net] Modularize multiplayer, expose MultiplayerAPI to extensions. - RPC configurations are now dictionaries. - Script.get_rpc_methods renamed to Script.get_rpc_config. - Node.rpc[_id] and Callable.rpc now return an Error. - Refactor MultiplayerAPI to allow extension. - New MultiplayerAPI.rpc method with Array argument (for scripts). - Move the default MultiplayerAPI implementation to a module.
2022-07-13 05:12:42 +08:00
class SceneMultiplayer;
[MP] Avoid unnecessary internal ref/unrefs Access the various internal components (cache/replicator) via pointer, to avoid unnecessary overhead.
2023-09-27 07:47:23 +08:00
class SceneCacheInterface;
[Net] Modularize multiplayer, expose MultiplayerAPI to extensions. - RPC configurations are now dictionaries. - Script.get_rpc_methods renamed to Script.get_rpc_config. - Node.rpc[_id] and Callable.rpc now return an Error. - Refactor MultiplayerAPI to allow extension. - New MultiplayerAPI.rpc method with Array argument (for scripts). - Move the default MultiplayerAPI implementation to a module.
2022-07-13 05:12:42 +08:00
class SceneReplicationInterface : public RefCounted {
GDCLASS(SceneReplicationInterface, RefCounted);
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
private:
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
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struct TrackedNode {
ObjectID id;
uint32_t net_id = 0;
uint32_t remote_peer = 0;
ObjectID spawner;
HashSet<ObjectID> synchronizers;
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
bool operator==(const ObjectID &p_other) { return id == p_other; }
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
TrackedNode() {}
TrackedNode(const ObjectID &p_id) { id = p_id; }
TrackedNode(const ObjectID &p_id, uint32_t p_net_id) {
id = p_id;
net_id = p_net_id;
}
};
struct PeerInfo {
HashSet<ObjectID> sync_nodes;
HashSet<ObjectID> spawn_nodes;
[MP] Implement "watched" properties. Checked at "delta_interval" (default = every frame), synchronized (reliably) if changes are detected.
2023-03-28 15:30:58 +08:00
HashMap<ObjectID, uint64_t> last_watch_usecs;
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
HashMap<uint32_t, ObjectID> recv_sync_ids;
HashMap<uint32_t, ObjectID> recv_nodes;
uint16_t last_sent_sync = 0;
};
// Replication state.
HashMap<int, PeerInfo> peers_info;
uint32_t last_net_id = 0;
HashMap<ObjectID, TrackedNode> tracked_nodes;
HashSet<ObjectID> spawned_nodes;
HashSet<ObjectID> sync_nodes;
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[MP] Fix nested spawning during "ready". We want our spawns to be notified after ready, but we need to notify them in the order they entered tree, so that nested spawners can be used during "ready" (instead of having to await a frame).
2023-01-14 17:24:51 +08:00
// Pending local spawn information (handles spawning nested nodes during ready).
HashSet<ObjectID> spawn_queue;
// Pending remote spawn information.
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
ObjectID pending_spawn;
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
int pending_spawn_remote = 0;
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
const uint8_t *pending_buffer = nullptr;
int pending_buffer_size = 0;
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
List<uint32_t> pending_sync_net_ids;
// Replicator config.
SceneMultiplayer *multiplayer = nullptr;
[MP] Avoid unnecessary internal ref/unrefs Access the various internal components (cache/replicator) via pointer, to avoid unnecessary overhead.
2023-09-27 07:47:23 +08:00
SceneCacheInterface *multiplayer_cache = nullptr;
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
PackedByteArray packet_cache;
int sync_mtu = 1350; // Highly dependent on underlying protocol.
[MP] Implement "watched" properties. Checked at "delta_interval" (default = every frame), synchronized (reliably) if changes are detected.
2023-03-28 15:30:58 +08:00
int delta_mtu = 65535;
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
TrackedNode &_track(const ObjectID &p_id);
void _untrack(const ObjectID &p_id);
[MP] Fix nested spawning during "ready". We want our spawns to be notified after ready, but we need to notify them in the order they entered tree, so that nested spawners can be used during "ready" (instead of having to await a frame).
2023-01-14 17:24:51 +08:00
void _node_ready(const ObjectID &p_oid);
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
[MP] Optimize internal authority checks We already know which MultiplayerAPI a certain Node uses, so we don't need to retrieve it via SceneTree every time.
2023-09-27 07:12:58 +08:00
bool _has_authority(const Node *p_node);
[MP] Implement "watched" properties. Checked at "delta_interval" (default = every frame), synchronized (reliably) if changes are detected.
2023-03-28 15:30:58 +08:00
bool _verify_synchronizer(int p_peer, MultiplayerSynchronizer *p_sync, uint32_t &r_net_id);
MultiplayerSynchronizer *_find_synchronizer(int p_peer, uint32_t p_net_ida);
void _send_sync(int p_peer, const HashSet<ObjectID> p_synchronizers, uint16_t p_sync_net_time, uint64_t p_usec);
void _send_delta(int p_peer, const HashSet<ObjectID> p_synchronizers, uint64_t p_usec, const HashMap<ObjectID, uint64_t> p_last_watch_usecs);
[MP] Allow multiple synchronizers per node. The same node can now be controlled by multiple synchronizers at once. Spawn visibility is composed in OR across multiple synchronizers (i.e. if any synchronizer is visible to the peer, the object will be spawned). Synchronizers controlling spawned nodes can now have a different authority then the one spawning the node, in that case, the spawn variables for that specific synchronizer are simply ignored (other synchronizers with the same authority of the spawner will correctly synchronize variables on spawn). The SceneReplicationState class has been completly removed, since it was bloating the implementation, the state is now simply stored in the SceneReplicationInterface.
2022-10-01 04:35:56 +08:00
Error _make_spawn_packet(Node *p_node, MultiplayerSpawner *p_spawner, int &r_len);
Error _make_despawn_packet(Node *p_node, int &r_len);
Error _send_raw(const uint8_t *p_buffer, int p_size, int p_peer, bool p_reliable);
void _visibility_changed(int p_peer, ObjectID p_oid);
Error _update_sync_visibility(int p_peer, MultiplayerSynchronizer *p_sync);
Error _update_spawn_visibility(int p_peer, const ObjectID &p_oid);
void _free_remotes(const PeerInfo &p_info);
template <class T>
static T *get_id_as(const ObjectID &p_id) {
return p_id.is_valid() ? Object::cast_to<T>(ObjectDB::get_instance(p_id)) : nullptr;
}
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[MP] Initial replication profiler. Part of the current network profiler stack. Tracks synchronizers, incoming/outgoing state sizes, and their bandwidth usage.
2022-11-17 10:31:23 +08:00
#ifdef DEBUG_ENABLED
_FORCE_INLINE_ void _profile_node_data(const String &p_what, ObjectID p_id, int p_size);
#endif
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
public:
static void make_default();
[Net] Modularize multiplayer, expose MultiplayerAPI to extensions. - RPC configurations are now dictionaries. - Script.get_rpc_methods renamed to Script.get_rpc_config. - Node.rpc[_id] and Callable.rpc now return an Error. - Refactor MultiplayerAPI to allow extension. - New MultiplayerAPI.rpc method with Array argument (for scripts). - Move the default MultiplayerAPI implementation to a module.
2022-07-13 05:12:42 +08:00
void on_reset();
void on_peer_change(int p_id, bool p_connected);
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[Net] Modularize multiplayer, expose MultiplayerAPI to extensions. - RPC configurations are now dictionaries. - Script.get_rpc_methods renamed to Script.get_rpc_config. - Node.rpc[_id] and Callable.rpc now return an Error. - Refactor MultiplayerAPI to allow extension. - New MultiplayerAPI.rpc method with Array argument (for scripts). - Move the default MultiplayerAPI implementation to a module.
2022-07-13 05:12:42 +08:00
Error on_spawn(Object *p_obj, Variant p_config);
Error on_despawn(Object *p_obj, Variant p_config);
Error on_replication_start(Object *p_obj, Variant p_config);
Error on_replication_stop(Object *p_obj, Variant p_config);
void on_network_process();
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[Net] Modularize multiplayer, expose MultiplayerAPI to extensions. - RPC configurations are now dictionaries. - Script.get_rpc_methods renamed to Script.get_rpc_config. - Node.rpc[_id] and Callable.rpc now return an Error. - Refactor MultiplayerAPI to allow extension. - New MultiplayerAPI.rpc method with Array argument (for scripts). - Move the default MultiplayerAPI implementation to a module.
2022-07-13 05:12:42 +08:00
Error on_spawn_receive(int p_from, const uint8_t *p_buffer, int p_buffer_len);
Error on_despawn_receive(int p_from, const uint8_t *p_buffer, int p_buffer_len);
Error on_sync_receive(int p_from, const uint8_t *p_buffer, int p_buffer_len);
[MP] Implement "watched" properties. Checked at "delta_interval" (default = every frame), synchronized (reliably) if changes are detected.
2023-03-28 15:30:58 +08:00
Error on_delta_receive(int p_from, const uint8_t *p_buffer, int p_buffer_len);
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
[MP] RPC visibility. Implemented using MultiplayerSynchronizers. If you didn't use the synchronizer visibility features, nothing changes. If you were using visibility, RPCs to broadcast should now behave as expected in most configurations (i.e. by sending the RPC to _visible_ peers). If you want to limit the visibility of RPCs for a node, add a synchronizer for it, and configure the visibility via "set_visibility_for" or by adding a visibility filter.
2022-11-01 20:14:35 +08:00
bool is_rpc_visible(const ObjectID &p_oid, int p_peer) const;
[MP] Implement "watched" properties. Checked at "delta_interval" (default = every frame), synchronized (reliably) if changes are detected.
2023-03-28 15:30:58 +08:00
void set_max_sync_packet_size(int p_size);
int get_max_sync_packet_size() const;
void set_max_delta_packet_size(int p_size);
int get_max_delta_packet_size() const;
[MP] Avoid unnecessary internal ref/unrefs Access the various internal components (cache/replicator) via pointer, to avoid unnecessary overhead.
2023-09-27 07:47:23 +08:00
SceneReplicationInterface(SceneMultiplayer *p_multiplayer, SceneCacheInterface *p_cache) {
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
multiplayer = p_multiplayer;
[MP] Avoid unnecessary internal ref/unrefs Access the various internal components (cache/replicator) via pointer, to avoid unnecessary overhead.
2023-09-27 07:47:23 +08:00
multiplayer_cache = p_cache;
[Net] New replication interface, spawner and synchronizer nodes. Initial implementation of the MultiplayerReplicationInterface and its default implementation (SceneReplicationInterface). New MultiplayerSpawner node helps dealing with instantiation of scenes on remote peers (e.g. clients). It supports both custom spawns via a `_spawn_custom` virtual function, and optional auto-spawn of known scenes via a TypedArray<PackedScenes> property. New MultiplayerSynchornizer helps synchronizing states between the local and remote peers, supports both sync and spawn properties and is configured via a `SceneReplicationConfig` resource. It can also sync via path (i.e. without being spawned by a MultiplayerSpawner if both peers has it in tree, but will not send the spawn state in that case, only the sync one.
2021-10-08 20:13:06 +08:00
}
};
Code quality: Fix header guards consistency Adds `header_guards.sh` bash script, used in CI to validate future changes. Can be run locally to fix invalid header guards.
2022-07-24 05:41:51 +08:00
#endif // SCENE_REPLICATION_INTERFACE_H
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