136 lines
5.5 KiB
C++
136 lines
5.5 KiB
C++
/*************************************************************************/
|
|
/* scene_replication_interface.h */
|
|
/*************************************************************************/
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef SCENE_REPLICATION_INTERFACE_H
|
|
#define SCENE_REPLICATION_INTERFACE_H
|
|
|
|
#include "core/object/ref_counted.h"
|
|
|
|
#include "multiplayer_spawner.h"
|
|
#include "multiplayer_synchronizer.h"
|
|
|
|
class SceneMultiplayer;
|
|
|
|
class SceneReplicationInterface : public RefCounted {
|
|
GDCLASS(SceneReplicationInterface, RefCounted);
|
|
|
|
private:
|
|
struct TrackedNode {
|
|
ObjectID id;
|
|
uint32_t net_id = 0;
|
|
uint32_t remote_peer = 0;
|
|
ObjectID spawner;
|
|
HashSet<ObjectID> synchronizers;
|
|
|
|
bool operator==(const ObjectID &p_other) { return id == p_other; }
|
|
|
|
_FORCE_INLINE_ MultiplayerSpawner *get_spawner() const { return spawner.is_valid() ? Object::cast_to<MultiplayerSpawner>(ObjectDB::get_instance(spawner)) : nullptr; }
|
|
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;
|
|
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;
|
|
|
|
// Pending spawn information.
|
|
ObjectID pending_spawn;
|
|
int pending_spawn_remote = 0;
|
|
const uint8_t *pending_buffer = nullptr;
|
|
int pending_buffer_size = 0;
|
|
List<uint32_t> pending_sync_net_ids;
|
|
|
|
// Replicator config.
|
|
SceneMultiplayer *multiplayer = nullptr;
|
|
PackedByteArray packet_cache;
|
|
int sync_mtu = 1350; // Highly dependent on underlying protocol.
|
|
|
|
TrackedNode &_track(const ObjectID &p_id);
|
|
void _untrack(const ObjectID &p_id);
|
|
|
|
void _send_sync(int p_peer, const HashSet<ObjectID> p_synchronizers, uint16_t p_sync_net_time, uint64_t p_msec);
|
|
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;
|
|
}
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
_FORCE_INLINE_ void _profile_node_data(const String &p_what, ObjectID p_id, int p_size);
|
|
#endif
|
|
|
|
public:
|
|
static void make_default();
|
|
|
|
void on_reset();
|
|
void on_peer_change(int p_id, bool p_connected);
|
|
|
|
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();
|
|
|
|
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);
|
|
|
|
bool is_rpc_visible(const ObjectID &p_oid, int p_peer) const;
|
|
|
|
SceneReplicationInterface(SceneMultiplayer *p_multiplayer) {
|
|
multiplayer = p_multiplayer;
|
|
}
|
|
};
|
|
|
|
#endif // SCENE_REPLICATION_INTERFACE_H
|