1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*************************************************************************/
/* 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 {
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);
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, int p_target, int &p_id) override;
virtual int make_object_cache(Object *p_obj) 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
|