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
|
#include "LegacyUpgradeTask.h"
#include "BaseInstanceProvider.h"
#include "settings/INISettingsObject.h"
#include "FileSystem.h"
#include "NullInstance.h"
#include "pathmatcher/RegexpMatcher.h"
#include <QtConcurrentRun>
#include "LegacyInstance.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/ComponentList.h"
#include "classparser.h"
LegacyUpgradeTask::LegacyUpgradeTask(SettingsObjectPtr settings, const QString & stagingPath, InstancePtr origInstance, const QString & newName)
{
m_globalSettings = settings;
m_stagingPath = stagingPath;
m_origInstance = origInstance;
m_newName = newName;
}
void LegacyUpgradeTask::executeTask()
{
setStatus(tr("Copying instance %1").arg(m_origInstance->name()));
FS::copy folderCopy(m_origInstance->instanceRoot(), m_stagingPath);
folderCopy.followSymlinks(true);
m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), folderCopy);
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &LegacyUpgradeTask::copyFinished);
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &LegacyUpgradeTask::copyAborted);
m_copyFutureWatcher.setFuture(m_copyFuture);
}
static QString decideVersion(const QString& currentVersion, const QString& intendedVersion)
{
if(intendedVersion != currentVersion)
{
if(!intendedVersion.isEmpty())
{
return intendedVersion;
}
else if(!currentVersion.isEmpty())
{
return currentVersion;
}
}
else
{
if(!intendedVersion.isEmpty())
{
return intendedVersion;
}
}
return QString();
}
void LegacyUpgradeTask::copyFinished()
{
auto successful = m_copyFuture.result();
if(!successful)
{
emitFailed(tr("Instance folder copy failed."));
return;
}
auto legacyInst = std::dynamic_pointer_cast<LegacyInstance>(m_origInstance);
auto instanceSettings = std::make_shared<INISettingsObject>(FS::PathCombine(m_stagingPath, "instance.cfg"));
instanceSettings->registerSetting("InstanceType", "Legacy");
instanceSettings->set("InstanceType", "OneSix");
// NOTE: this scope ensures the instance is fully saved before we emitSucceeded
{
MinecraftInstance inst(m_globalSettings, instanceSettings, m_stagingPath);
inst.setName(m_newName);
inst.init();
QString preferredVersionNumber = decideVersion(legacyInst->currentVersionId(), legacyInst->intendedVersionId());
if(preferredVersionNumber.isNull())
{
// try to decide version based on the jar(s?)
preferredVersionNumber = classparser::GetMinecraftJarVersion(legacyInst->baseJar());
if(preferredVersionNumber.isNull())
{
preferredVersionNumber = classparser::GetMinecraftJarVersion(legacyInst->runnableJar());
if(preferredVersionNumber.isNull())
{
emitFailed(tr("Could not decide Minecraft version."));
return;
}
}
}
auto components = inst.getComponentList();
components->buildingFromScratch();
components->setComponentVersion("net.minecraft", preferredVersionNumber, true);
QString jarPath = legacyInst->mainJarToPreserve();
if(!jarPath.isNull())
{
qDebug() << "Preserving base jar! : " << jarPath;
// FIXME: handle case when the jar is unreadable?
// TODO: check the hash, if it's the same as the upstream jar, do not do this
components->installCustomJar(jarPath);
}
auto jarMods = legacyInst->getJarMods();
for(auto & jarMod: jarMods)
{
QString modPath = jarMod.filename().absoluteFilePath();
qDebug() << "jarMod: " << modPath;
components->installJarMods({modPath});
}
// remove all the extra garbage we no longer need
auto removeAll = [&](const QString &root, const QStringList &things)
{
for(auto &thing : things)
{
auto removePath = FS::PathCombine(root, thing);
QFileInfo stat(removePath);
if(stat.isDir())
{
FS::deletePath(removePath);
}
else
{
QFile::remove(removePath);
}
}
};
QStringList rootRemovables = {"modlist", "version", "instMods"};
QStringList mcRemovables = {"bin", "MultiMCLauncher.jar", "icon.png"};
removeAll(inst.instanceRoot(), rootRemovables);
removeAll(inst.minecraftRoot(), mcRemovables);
}
emitSucceeded();
}
void LegacyUpgradeTask::copyAborted()
{
emitFailed(tr("Instance folder copy has been aborted."));
return;
}
|
