summaryrefslogtreecommitdiffstats
path: root/logic/InstanceFactory.cpp
blob: 66b271d03eb6d847a044a37353a634a7e3165a9e (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
/* 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 "InstanceFactory.h"

#include <QDir>
#include <QFileInfo>

#include "BaseInstance.h"
#include "LegacyInstance.h"
#include "OneSixInstance.h"
#include "NostalgiaInstance.h"
#include "BaseVersion.h"
#include "MinecraftVersion.h"

#include "inifile.h"
#include <inisettingsobject.h>
#include <setting.h>

#include "pathutils.h"
#include "logger/QsLog.h"

InstanceFactory InstanceFactory::loader;

InstanceFactory::InstanceFactory() : QObject(NULL)
{
}

InstanceFactory::InstLoadError InstanceFactory::loadInstance(BaseInstance *&inst,
															 const QString &instDir)
{
	auto m_settings = new INISettingsObject(PathCombine(instDir, "instance.cfg"));

	m_settings->registerSetting(new Setting("InstanceType", "Legacy"));

	QString inst_type = m_settings->get("InstanceType").toString();

	// FIXME: replace with a map lookup, where instance classes register their types
	if (inst_type == "Legacy")
	{
		inst = new LegacyInstance(instDir, m_settings, this);
	}
	else if (inst_type == "OneSix")
	{
		inst = new OneSixInstance(instDir, m_settings, this);
	}
	else if (inst_type == "Nostalgia")
	{
		inst = new NostalgiaInstance(instDir, m_settings, this);
	}
	else
	{
		return InstanceFactory::UnknownLoadError;
	}
	return NoLoadError;
}

InstanceFactory::InstCreateError InstanceFactory::createInstance(BaseInstance *&inst,
																 BaseVersionPtr version,
																 const QString &instDir)
{
	QDir rootDir(instDir);

	QLOG_DEBUG() << instDir.toUtf8();
	if (!rootDir.exists() && !rootDir.mkpath("."))
	{
		return InstanceFactory::CantCreateDir;
	}
	auto mcVer = std::dynamic_pointer_cast<MinecraftVersion>(version);
	if (!mcVer)
		return InstanceFactory::NoSuchVersion;

	auto m_settings = new INISettingsObject(PathCombine(instDir, "instance.cfg"));
	m_settings->registerSetting(new Setting("InstanceType", "Legacy"));

	switch (mcVer->type)
	{
	case MinecraftVersion::Legacy:
		m_settings->set("InstanceType", "Legacy");
		inst = new LegacyInstance(instDir, m_settings, this);
		inst->setIntendedVersionId(version->descriptor());
		inst->setShouldUseCustomBaseJar(false);
		break;
	case MinecraftVersion::OneSix:
		m_settings->set("InstanceType", "OneSix");
		inst = new OneSixInstance(instDir, m_settings, this);
		inst->setIntendedVersionId(version->descriptor());
		inst->setShouldUseCustomBaseJar(false);
		break;
	case MinecraftVersion::Nostalgia:
		m_settings->set("InstanceType", "Nostalgia");
		inst = new NostalgiaInstance(instDir, m_settings, this);
		inst->setIntendedVersionId(version->descriptor());
		inst->setShouldUseCustomBaseJar(false);
		break;
	default:
	{
		delete m_settings;
		return InstanceFactory::NoSuchVersion;
	}
	}

	// FIXME: really, how do you even know?
	return InstanceFactory::NoCreateError;
}

InstanceFactory::InstCreateError InstanceFactory::copyInstance(BaseInstance *&newInstance,
															   BaseInstance *&oldInstance,
															   const QString &instDir)
{
	QDir rootDir(instDir);

	QLOG_DEBUG() << instDir.toUtf8();
	if (!copyPath(oldInstance->instanceRoot(), instDir))
	{
		rootDir.removeRecursively();
		return InstanceFactory::CantCreateDir;
	}
	auto error = loadInstance(newInstance, instDir);
	switch (error)
	{
	case NoLoadError:
		return NoCreateError;
	case NotAnInstance:
		rootDir.removeRecursively();
		return CantCreateDir;
	default:
	case UnknownLoadError:
		rootDir.removeRecursively();
		return UnknownCreateError;	
	}
}