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Diffstat (limited to 'modules/multiplayer/scene_replication_state.h')
| -rw-r--r-- | modules/multiplayer/scene_replication_state.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/modules/multiplayer/scene_replication_state.h b/modules/multiplayer/scene_replication_state.h new file mode 100644 index 0000000000..bdff6ae3b7 --- /dev/null +++ b/modules/multiplayer/scene_replication_state.h @@ -0,0 +1,135 @@ +/*************************************************************************/ +/* scene_replication_state.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_STATE_H +#define SCENE_REPLICATION_STATE_H + +#include "core/object/ref_counted.h" + +#include "multiplayer_spawner.h" +#include "multiplayer_synchronizer.h" + +class MultiplayerSpawner; +class MultiplayerSynchronizer; +class Node; + +class SceneReplicationState : public RefCounted { +private: + struct TrackedNode { + ObjectID id; + uint32_t net_id = 0; + uint32_t remote_peer = 0; + ObjectID spawner; + ObjectID synchronizer; + uint16_t last_sync = 0; + uint64_t last_sync_msec = 0; + + bool operator==(const ObjectID &p_other) { return id == p_other; } + + Node *get_node() const { return id.is_valid() ? Object::cast_to<Node>(ObjectDB::get_instance(id)) : nullptr; } + MultiplayerSpawner *get_spawner() const { return spawner.is_valid() ? Object::cast_to<MultiplayerSpawner>(ObjectDB::get_instance(spawner)) : nullptr; } + MultiplayerSynchronizer *get_synchronizer() const { return synchronizer.is_valid() ? Object::cast_to<MultiplayerSynchronizer>(ObjectDB::get_instance(synchronizer)) : 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_nodes; + uint16_t last_sent_sync = 0; + uint16_t last_recv_sync = 0; + }; + + HashSet<int> known_peers; + uint32_t last_net_id = 0; + HashMap<ObjectID, TrackedNode> tracked_nodes; + HashMap<int, PeerInfo> peers_info; + HashSet<ObjectID> spawned_nodes; + HashSet<ObjectID> synced_nodes; + + TrackedNode &_track(const ObjectID &p_id); + void _untrack(const ObjectID &p_id); + bool is_tracked(const ObjectID &p_id) const { return tracked_nodes.has(p_id); } + +public: + const HashSet<int> get_peers() const { return known_peers; } + const HashSet<ObjectID> &get_spawned_nodes() const { return spawned_nodes; } + bool is_spawned_node(const ObjectID &p_id) const { return spawned_nodes.has(p_id); } + const HashSet<ObjectID> &get_synced_nodes() const { return synced_nodes; } + bool is_synced_node(const ObjectID &p_id) const { return synced_nodes.has(p_id); } + + MultiplayerSynchronizer *get_synchronizer(const ObjectID &p_id) { return tracked_nodes.has(p_id) ? tracked_nodes[p_id].get_synchronizer() : nullptr; } + MultiplayerSpawner *get_spawner(const ObjectID &p_id) { return tracked_nodes.has(p_id) ? tracked_nodes[p_id].get_spawner() : nullptr; } + Node *get_node(const ObjectID &p_id) { return tracked_nodes.has(p_id) ? tracked_nodes[p_id].get_node() : nullptr; } + bool update_last_node_sync(const ObjectID &p_id, uint16_t p_time); + bool update_sync_time(const ObjectID &p_id, uint64_t p_msec); + + uint32_t get_net_id(const ObjectID &p_id) const; + void set_net_id(const ObjectID &p_id, uint32_t p_net_id); + uint32_t ensure_net_id(const ObjectID &p_id); + + void reset(); + void on_peer_change(int p_peer, bool p_connected); + + Error config_add_spawn(Node *p_node, MultiplayerSpawner *p_spawner); + Error config_del_spawn(Node *p_node, MultiplayerSpawner *p_spawner); + + Error config_add_sync(Node *p_node, MultiplayerSynchronizer *p_sync); + Error config_del_sync(Node *p_node, MultiplayerSynchronizer *p_sync); + + Error peer_add_sync(int p_peer, const ObjectID &p_id); + Error peer_del_sync(int p_peer, const ObjectID &p_id); + + const HashSet<ObjectID> get_peer_sync_nodes(int p_peer); + bool is_peer_sync(int p_peer, const ObjectID &p_id) const; + + Error peer_add_spawn(int p_peer, const ObjectID &p_id); + Error peer_del_spawn(int p_peer, const ObjectID &p_id); + + const HashSet<ObjectID> get_peer_spawn_nodes(int p_peer); + bool is_peer_spawn(int p_peer, const ObjectID &p_id) const; + + const HashMap<uint32_t, ObjectID> peer_get_remotes(int p_peer) const; + Node *peer_get_remote(int p_peer, uint32_t p_net_id); + Error peer_add_remote(int p_peer, uint32_t p_net_id, Node *p_node, MultiplayerSpawner *p_spawner); + Error peer_del_remote(int p_peer, uint32_t p_net_id, Node **r_node); + + uint16_t peer_sync_next(int p_peer); + void peer_sync_recv(int p_peer, uint16_t p_time); + + SceneReplicationState() {} +}; + +#endif // SCENE_REPLICATION_STATE_H |