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
|
// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "LocalResourcePackParseTask.h"
#include "FileSystem.h"
#include "Json.h"
#include <quazip/quazip.h>
#include <quazip/quazipfile.h>
#include <QCryptographicHash>
namespace ResourcePackUtils {
bool process(ResourcePack& pack, ProcessingLevel level)
{
switch (pack.type()) {
case ResourceType::FOLDER:
ResourcePackUtils::processFolder(pack, level);
return true;
case ResourceType::ZIPFILE:
ResourcePackUtils::processZIP(pack, level);
return true;
default:
qWarning() << "Invalid type for resource pack parse task!";
return false;
}
}
void processFolder(ResourcePack& pack, ProcessingLevel level)
{
Q_ASSERT(pack.type() == ResourceType::FOLDER);
QFileInfo mcmeta_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.mcmeta"));
if (mcmeta_file_info.isFile()) {
QFile mcmeta_file(mcmeta_file_info.filePath());
if (!mcmeta_file.open(QIODevice::ReadOnly))
return;
auto data = mcmeta_file.readAll();
ResourcePackUtils::processMCMeta(pack, std::move(data));
mcmeta_file.close();
}
if (level == ProcessingLevel::BasicInfoOnly)
return;
QFileInfo image_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.png"));
if (image_file_info.isFile()) {
QFile mcmeta_file(image_file_info.filePath());
if (!mcmeta_file.open(QIODevice::ReadOnly))
return;
auto data = mcmeta_file.readAll();
ResourcePackUtils::processPackPNG(pack, std::move(data));
mcmeta_file.close();
}
}
void processZIP(ResourcePack& pack, ProcessingLevel level)
{
Q_ASSERT(pack.type() == ResourceType::ZIPFILE);
QuaZip zip(pack.fileinfo().filePath());
if (!zip.open(QuaZip::mdUnzip))
return;
QuaZipFile file(&zip);
if (zip.setCurrentFile("pack.mcmeta")) {
if (!file.open(QIODevice::ReadOnly)) {
qCritical() << "Failed to open file in zip.";
zip.close();
return;
}
auto data = file.readAll();
ResourcePackUtils::processMCMeta(pack, std::move(data));
file.close();
}
if (level == ProcessingLevel::BasicInfoOnly) {
zip.close();
return;
}
if (zip.setCurrentFile("pack.png")) {
if (!file.open(QIODevice::ReadOnly)) {
qCritical() << "Failed to open file in zip.";
zip.close();
return;
}
auto data = file.readAll();
ResourcePackUtils::processPackPNG(pack, std::move(data));
file.close();
}
zip.close();
}
// https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
void processMCMeta(ResourcePack& pack, QByteArray&& raw_data)
{
try {
auto json_doc = QJsonDocument::fromJson(raw_data);
auto pack_obj = Json::requireObject(json_doc.object(), "pack", {});
pack.setPackFormat(Json::ensureInteger(pack_obj, "pack_format", 0));
pack.setDescription(Json::ensureString(pack_obj, "description", ""));
} catch (Json::JsonException& e) {
qWarning() << "JsonException: " << e.what() << e.cause();
}
}
void processPackPNG(ResourcePack& pack, QByteArray&& raw_data)
{
auto img = QImage::fromData(raw_data);
if (!img.isNull()) {
pack.setImage(img);
} else {
qWarning() << "Failed to parse pack.png.";
}
}
bool validate(QFileInfo file)
{
ResourcePack rp{ file };
return ResourcePackUtils::process(rp, ProcessingLevel::BasicInfoOnly) && rp.valid();
}
} // namespace ResourcePackUtils
LocalResourcePackParseTask::LocalResourcePackParseTask(int token, ResourcePack& rp)
: Task(nullptr, false), m_token(token), m_resource_pack(rp)
{}
bool LocalResourcePackParseTask::abort()
{
m_aborted = true;
return true;
}
void LocalResourcePackParseTask::executeTask()
{
if (!ResourcePackUtils::process(m_resource_pack))
return;
if (m_aborted)
emitAborted();
else
emitSucceeded();
}
|
