mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
83 lines
3.7 KiB
C++
83 lines
3.7 KiB
C++
/*************************************************************************/
|
|
/* 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 "core/multiplayer/multiplayer_api.h"
|
|
|
|
class SceneCacheInterface : public MultiplayerCacheInterface {
|
|
GDCLASS(SceneCacheInterface, MultiplayerCacheInterface);
|
|
|
|
private:
|
|
MultiplayerAPI *multiplayer = nullptr;
|
|
|
|
//path sent caches
|
|
struct PathSentCache {
|
|
Map<int, bool> confirmed_peers;
|
|
int id;
|
|
};
|
|
|
|
//path get caches
|
|
struct PathGetCache {
|
|
struct NodeInfo {
|
|
NodePath path;
|
|
ObjectID instance;
|
|
};
|
|
|
|
Map<int, NodeInfo> nodes;
|
|
};
|
|
|
|
HashMap<NodePath, PathSentCache> path_send_cache;
|
|
Map<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);
|
|
static MultiplayerCacheInterface *_create(MultiplayerAPI *p_multiplayer);
|
|
|
|
public:
|
|
static void make_default();
|
|
|
|
virtual void clear() override;
|
|
virtual void on_peer_change(int p_id, bool p_connected) override;
|
|
virtual void process_simplify_path(int p_from, const uint8_t *p_packet, int p_packet_len) override;
|
|
virtual void process_confirm_path(int p_from, const uint8_t *p_packet, int p_packet_len) override;
|
|
|
|
// Returns true if all peers have cached path.
|
|
virtual bool send_object_cache(Object *p_obj, NodePath p_path, int p_target, int &p_id) override;
|
|
virtual Object *get_cached_object(int p_from, uint32_t p_cache_id) override;
|
|
virtual bool is_cache_confirmed(NodePath p_path, int p_peer) override;
|
|
|
|
SceneCacheInterface(MultiplayerAPI *p_multiplayer) { multiplayer = p_multiplayer; }
|
|
};
|
|
|
|
#endif // SCENE_CACHE_INTERFACE_H
|