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Diffstat (limited to 'modules/multiplayer/scene_cache_interface.h')
| -rw-r--r-- | modules/multiplayer/scene_cache_interface.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/modules/multiplayer/scene_cache_interface.h b/modules/multiplayer/scene_cache_interface.h new file mode 100644 index 0000000000..1e80792fe7 --- /dev/null +++ b/modules/multiplayer/scene_cache_interface.h @@ -0,0 +1,82 @@ +/*************************************************************************/ +/* scene_cache_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_CACHE_INTERFACE_H +#define SCENE_CACHE_INTERFACE_H + +#include "scene/main/multiplayer_api.h" + +class SceneMultiplayer; + +class SceneCacheInterface : public RefCounted { + GDCLASS(SceneCacheInterface, RefCounted); + +private: + SceneMultiplayer *multiplayer = nullptr; + + //path sent caches + struct PathSentCache { + HashMap<int, bool> confirmed_peers; + int id; + }; + + //path get caches + struct PathGetCache { + struct NodeInfo { + NodePath path; + ObjectID instance; + }; + + HashMap<int, NodeInfo> nodes; + }; + + HashMap<NodePath, PathSentCache> path_send_cache; + HashMap<int, PathGetCache> path_get_cache; + int last_send_cache_id = 1; + +protected: + Error _send_confirm_path(Node *p_node, NodePath p_path, PathSentCache *psc, const List<int> &p_peers); + +public: + void clear(); + void on_peer_change(int p_id, bool p_connected); + void process_simplify_path(int p_from, const uint8_t *p_packet, int p_packet_len); + void process_confirm_path(int p_from, const uint8_t *p_packet, int p_packet_len); + + // Returns true if all peers have cached path. + bool send_object_cache(Object *p_obj, int p_target, int &p_id); + int make_object_cache(Object *p_obj); + Object *get_cached_object(int p_from, uint32_t p_cache_id); + bool is_cache_confirmed(NodePath p_path, int p_peer); + + SceneCacheInterface(SceneMultiplayer *p_multiplayer) { multiplayer = p_multiplayer; } +}; + +#endif // SCENE_CACHE_INTERFACE_H |