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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
Minetest
Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <cassert>
#include <json/json.h>
#include "database-files.h"
#include "content_sao.h"
#include "remoteplayer.h"
#include "settings.h"
#include "porting.h"
#include "filesys.h"
// !!! WARNING !!!
// This backend is intended to be used on Minetest 0.4.16 only for the transition backend for
// player files
void PlayerDatabaseFiles::serialize(std::ostringstream &os, RemotePlayer *player)
{
// Utilize a Settings object for storing values
Settings args;
args.setS32("version", 1);
args.set("name", player->getName());
sanity_check(player->getPlayerSAO());
args.setS32("hp", player->getPlayerSAO()->getHP());
args.setV3F("position", player->getPlayerSAO()->getBasePosition());
args.setFloat("pitch", player->getPlayerSAO()->getPitch());
args.setFloat("yaw", player->getPlayerSAO()->getYaw());
args.setS32("breath", player->getPlayerSAO()->getBreath());
std::string extended_attrs = "";
player->serializeExtraAttributes(extended_attrs);
args.set("extended_attributes", extended_attrs);
args.writeLines(os);
os << "PlayerArgsEnd\n";
player->inventory.serialize(os);
}
void PlayerDatabaseFiles::savePlayer(RemotePlayer *player)
{
std::string savedir = m_savedir + DIR_DELIM;
std::string path = savedir + player->getName();
bool path_found = false;
RemotePlayer testplayer("", NULL);
for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES && !path_found; i++) {
if (!fs::PathExists(path)) {
path_found = true;
continue;
}
// Open and deserialize file to check player name
std::ifstream is(path.c_str(), std::ios_base::binary);
if (!is.good()) {
errorstream << "Failed to open " << path << std::endl;
return;
}
testplayer.deSerialize(is, path, NULL);
is.close();
if (strcmp(testplayer.getName(), player->getName()) == 0) {
path_found = true;
continue;
}
path = savedir + player->getName() + itos(i);
}
if (!path_found) {
errorstream << "Didn't find free file for player " << player->getName()
<< std::endl;
return;
}
// Open and serialize file
std::ostringstream ss(std::ios_base::binary);
serialize(ss, player);
if (!fs::safeWriteToFile(path, ss.str())) {
infostream << "Failed to write " << path << std::endl;
}
player->setModified(false);
}
bool PlayerDatabaseFiles::removePlayer(const std::string &name)
{
std::string players_path = m_savedir + DIR_DELIM;
std::string path = players_path + name;
RemotePlayer temp_player("", NULL);
for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
// Open file and deserialize
std::ifstream is(path.c_str(), std::ios_base::binary);
if (!is.good())
continue;
temp_player.deSerialize(is, path, NULL);
is.close();
if (temp_player.getName() == name) {
fs::DeleteSingleFileOrEmptyDirectory(path);
return true;
}
path = players_path + name + itos(i);
}
return false;
}
bool PlayerDatabaseFiles::loadPlayer(RemotePlayer *player, PlayerSAO *sao)
{
std::string players_path = m_savedir + DIR_DELIM;
std::string path = players_path + player->getName();
const std::string player_to_load = player->getName();
for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
// Open file and deserialize
std::ifstream is(path.c_str(), std::ios_base::binary);
if (!is.good())
continue;
player->deSerialize(is, path, sao);
is.close();
if (player->getName() == player_to_load)
return true;
path = players_path + player_to_load + itos(i);
}
infostream << "Player file for player " << player_to_load << " not found" << std::endl;
return false;
}
void PlayerDatabaseFiles::listPlayers(std::vector<std::string> &res)
{
std::vector<fs::DirListNode> files = fs::GetDirListing(m_savedir);
// list files into players directory
for (std::vector<fs::DirListNode>::const_iterator it = files.begin(); it !=
files.end(); ++it) {
// Ignore directories
if (it->dir)
continue;
const std::string &filename = it->name;
std::string full_path = m_savedir + DIR_DELIM + filename;
std::ifstream is(full_path.c_str(), std::ios_base::binary);
if (!is.good())
continue;
RemotePlayer player(filename.c_str(), NULL);
// Null env & dummy peer_id
PlayerSAO playerSAO(NULL, &player, 15789, false);
player.deSerialize(is, "", &playerSAO);
is.close();
res.push_back(player.getName());
}
}
|
