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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* Copyright 2013-2015 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <QDir>
#include <QDirIterator>
#include <QCryptographicHash>
#include <QJsonParseError>
#include <QJsonDocument>
#include <QJsonObject>
#include <QVariant>
#include <QDebug>
#include "AssetsUtils.h"
#include <pathutils.h>
namespace AssetsUtils
{
int findLegacyAssets()
{
QDir assets_dir("assets");
if (!assets_dir.exists())
return 0;
assets_dir.setFilter(QDir::AllEntries | QDir::NoDotAndDotDot);
int base_length = assets_dir.path().length();
QList<QString> blacklist = {"indexes", "objects", "virtual"};
QDirIterator iterator(assets_dir, QDirIterator::Subdirectories);
int found = 0;
while (iterator.hasNext())
{
QString currentDir = iterator.next();
currentDir = currentDir.remove(0, base_length + 1);
bool ignore = false;
for (QString blacklisted : blacklist)
{
if (currentDir.startsWith(blacklisted))
ignore = true;
}
if (!iterator.fileInfo().isDir() && !ignore)
{
found++;
}
}
return found;
}
/*
* Returns true on success, with index populated
* index is undefined otherwise
*/
bool loadAssetsIndexJson(QString path, AssetsIndex *index)
{
/*
{
"objects": {
"icons/icon_16x16.png": {
"hash": "bdf48ef6b5d0d23bbb02e17d04865216179f510a",
"size": 3665
},
...
}
}
}
*/
QFile file(path);
// Try to open the file and fail if we can't.
// TODO: We should probably report this error to the user.
if (!file.open(QIODevice::ReadOnly))
{
qCritical() << "Failed to read assets index file" << path;
return false;
}
// Read the file and close it.
QByteArray jsonData = file.readAll();
file.close();
QJsonParseError parseError;
QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData, &parseError);
// Fail if the JSON is invalid.
if (parseError.error != QJsonParseError::NoError)
{
qCritical() << "Failed to parse assets index file:" << parseError.errorString()
<< "at offset " << QString::number(parseError.offset);
return false;
}
// Make sure the root is an object.
if (!jsonDoc.isObject())
{
qCritical() << "Invalid assets index JSON: Root should be an array.";
return false;
}
QJsonObject root = jsonDoc.object();
QJsonValue isVirtual = root.value("virtual");
if (!isVirtual.isUndefined())
{
index->isVirtual = isVirtual.toBool(false);
}
QJsonValue objects = root.value("objects");
QVariantMap map = objects.toVariant().toMap();
for (QVariantMap::const_iterator iter = map.begin(); iter != map.end(); ++iter)
{
// qDebug() << iter.key();
QVariant variant = iter.value();
QVariantMap nested_objects = variant.toMap();
AssetObject object;
for (QVariantMap::const_iterator nested_iter = nested_objects.begin();
nested_iter != nested_objects.end(); ++nested_iter)
{
// qDebug() << nested_iter.key() << nested_iter.value().toString();
QString key = nested_iter.key();
QVariant value = nested_iter.value();
if (key == "hash")
{
object.hash = value.toString();
}
else if (key == "size")
{
object.size = value.toDouble();
}
}
index->objects.insert(iter.key(), object);
}
return true;
}
QDir reconstructAssets(QString assetsId)
{
QDir assetsDir = QDir("assets/");
QDir indexDir = QDir(PathCombine(assetsDir.path(), "indexes"));
QDir objectDir = QDir(PathCombine(assetsDir.path(), "objects"));
QDir virtualDir = QDir(PathCombine(assetsDir.path(), "virtual"));
QString indexPath = PathCombine(indexDir.path(), assetsId + ".json");
QFile indexFile(indexPath);
QDir virtualRoot(PathCombine(virtualDir.path(), assetsId));
if (!indexFile.exists())
{
qCritical() << "No assets index file" << indexPath << "; can't reconstruct assets";
return virtualRoot;
}
qDebug() << "reconstructAssets" << assetsDir.path() << indexDir.path()
<< objectDir.path() << virtualDir.path() << virtualRoot.path();
AssetsIndex index;
bool loadAssetsIndex = AssetsUtils::loadAssetsIndexJson(indexPath, &index);
if (loadAssetsIndex && index.isVirtual)
{
qDebug() << "Reconstructing virtual assets folder at" << virtualRoot.path();
for (QString map : index.objects.keys())
{
AssetObject asset_object = index.objects.value(map);
QString target_path = PathCombine(virtualRoot.path(), map);
QFile target(target_path);
QString tlk = asset_object.hash.left(2);
QString original_path =
PathCombine(PathCombine(objectDir.path(), tlk), asset_object.hash);
QFile original(original_path);
if (!original.exists())
continue;
if (!target.exists())
{
QFileInfo info(target_path);
QDir target_dir = info.dir();
// qDebug() << target_dir;
if (!target_dir.exists())
QDir("").mkpath(target_dir.path());
bool couldCopy = original.copy(target_path);
qDebug() << " Copying" << original_path << "to" << target_path
<< QString::number(couldCopy); // << original.errorString();
}
}
// TODO: Write last used time to virtualRoot/.lastused
}
return virtualRoot;
}
}
|
