summaryrefslogtreecommitdiffstats
path: root/logic/OneSixUpdate.cpp
blob: 428d6ef7dce7d7d1656460dda4dcf4e6c872a83c (plain)
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
/* Copyright 2013 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 "OneSixUpdate.h"

#include <QtNetwork>

#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QDataStream>

#include <QDebug>

#include "BaseInstance.h"
#include "lists/MinecraftVersionList.h"
#include "VersionFactory.h"
#include "OneSixVersion.h"
#include "OneSixInstance.h"

#include "pathutils.h"


OneSixUpdate::OneSixUpdate(BaseInstance *inst, QObject *parent):BaseUpdate(inst, parent){}

void OneSixUpdate::executeTask()
{
	QString intendedVersion = m_inst->intendedVersionId();
	
	// Make directories
	QDir mcDir(m_inst->minecraftRoot());
	if (!mcDir.exists() && !mcDir.mkpath("."))
	{
		emitFailed("Failed to create bin folder.");
		return;
	}
	
	// Get a pointer to the version object that corresponds to the instance's version.
	targetVersion = MinecraftVersionList::getMainList().findVersion(intendedVersion).dynamicCast<MinecraftVersion>();
	if(targetVersion == nullptr)
	{
		// don't do anything if it was invalid
		emitSucceeded();
		return;
	}
	
	if(m_inst->shouldUpdate())
	{
		versionFileStart();
	}
	else
	{
		jarlibStart();
	}
}

void OneSixUpdate::versionFileStart()
{
	setStatus("Getting the version files from Mojang.");
	
	QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
	urlstr += targetVersion->descriptor + "/" + targetVersion->descriptor + ".json";
	specificVersionDownloadJob.reset(new DownloadJob(QUrl(urlstr)));
	connect(specificVersionDownloadJob.data(), SIGNAL(succeeded()), SLOT(versionFileFinished()));
	connect(specificVersionDownloadJob.data(), SIGNAL(failed()), SLOT(versionFileFailed()));
	connect(specificVersionDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
	specificVersionDownloadJob->start();
}

void OneSixUpdate::versionFileFinished()
{
	DownloadPtr DlJob = specificVersionDownloadJob->first();
	
	QString version_id = targetVersion->descriptor;
	QString inst_dir = m_inst->instanceRoot();
	// save the version file in $instanceId/version.json
	{
		QString version1 =  PathCombine(inst_dir, "/version.json");
		ensureFilePathExists(version1);
		// FIXME: detect errors here, download to a temp file, swap
		QFile  vfile1 (version1);
		vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly );
		vfile1.write(DlJob->m_data);
		vfile1.close();
	}
	
	// the version is downloaded safely. update is 'done' at this point
	m_inst->setShouldUpdate(false);
	// save the version file in versions/$version/$version.json
	/*
		//QString version2 =  QString("versions/") + version_id + "/" + version_id + ".json";
		//ensurePathExists(version2);
		//QFile  vfile2 (version2);
		//vfile2.open(QIODevice::Truncate | QIODevice::WriteOnly );
		//vfile2.write(DlJob->m_data);
		//vfile2.close();
	*/
	
	jarlibStart();
}

void OneSixUpdate::versionFileFailed()
{
	emitFailed("Failed to download the version description. Try again.");
}

void OneSixUpdate::jarlibStart()
{
	OneSixInstance * inst = (OneSixInstance *) m_inst;
	bool successful = inst->reloadFullVersion();
	if(!successful)
	{
		emitFailed("Failed to load the version description file (version.json). It might be corrupted, missing or simply too new.");
		return;
	}
	
	QSharedPointer<OneSixVersion> version = inst->getFullVersion();
	
	// download the right jar, save it in versions/$version/$version.jar
	QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
	urlstr += version->id + "/" + version->id + ".jar";
	QString targetstr ("versions/");
	targetstr += version->id + "/" + version->id + ".jar";
	
	jarlibDownloadJob.reset(new DownloadJob(QUrl(urlstr), targetstr));
	
	auto libs = version->getActiveNativeLibs();
	libs.append(version->getActiveNormalLibs());
	
	for(auto lib: libs)
	{
		QString download_path = lib->downloadPath();
		QString storage_path = "libraries/" + lib->storagePath();
		jarlibDownloadJob->add(download_path, storage_path);
	}
	connect(jarlibDownloadJob.data(), SIGNAL(succeeded()), SLOT(jarlibFinished()));
	connect(jarlibDownloadJob.data(), SIGNAL(failed()), SLOT(jarlibFailed()));
	connect(jarlibDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));

	jarlibDownloadJob->start();
}

void OneSixUpdate::jarlibFinished()
{
	emitSucceeded();
}

void OneSixUpdate::jarlibFailed()
{
	emitFailed("Failed to download the binary garbage. Try again. Maybe. IF YOU DARE");
}