148 lines
3.9 KiB
C++
148 lines
3.9 KiB
C++
/* Copyright 2013 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "InstanceFactory.h"
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#include <QDir>
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#include <QFileInfo>
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#include "BaseInstance.h"
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#include "LegacyInstance.h"
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#include "OneSixInstance.h"
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#include "NostalgiaInstance.h"
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#include "BaseVersion.h"
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#include "MinecraftVersion.h"
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#include "inifile.h"
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#include <inisettingsobject.h>
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#include <setting.h>
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#include "pathutils.h"
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#include <logger/QsLog.h>
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InstanceFactory InstanceFactory::loader;
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InstanceFactory::InstanceFactory() : QObject(NULL)
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{
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}
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InstanceFactory::InstLoadError InstanceFactory::loadInstance(BaseInstance *&inst,
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const QString &instDir)
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{
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auto m_settings = new INISettingsObject(PathCombine(instDir, "instance.cfg"));
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m_settings->registerSetting(new Setting("InstanceType", "Legacy"));
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QString inst_type = m_settings->get("InstanceType").toString();
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// FIXME: replace with a map lookup, where instance classes register their types
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if (inst_type == "Legacy")
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{
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inst = new LegacyInstance(instDir, m_settings, this);
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}
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else if (inst_type == "OneSix")
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{
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inst = new OneSixInstance(instDir, m_settings, this);
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}
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else if (inst_type == "Nostalgia")
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{
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inst = new NostalgiaInstance(instDir, m_settings, this);
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}
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else
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{
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return InstanceFactory::UnknownLoadError;
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}
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return NoLoadError;
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}
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InstanceFactory::InstCreateError InstanceFactory::createInstance(BaseInstance *&inst,
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BaseVersionPtr version,
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const QString &instDir)
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{
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QDir rootDir(instDir);
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QLOG_DEBUG() << instDir.toUtf8();
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if (!rootDir.exists() && !rootDir.mkpath("."))
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{
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return InstanceFactory::CantCreateDir;
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}
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auto mcVer = std::dynamic_pointer_cast<MinecraftVersion>(version);
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if (!mcVer)
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return InstanceFactory::NoSuchVersion;
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auto m_settings = new INISettingsObject(PathCombine(instDir, "instance.cfg"));
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m_settings->registerSetting(new Setting("InstanceType", "Legacy"));
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switch (mcVer->type)
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{
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case MinecraftVersion::Legacy:
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m_settings->set("InstanceType", "Legacy");
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inst = new LegacyInstance(instDir, m_settings, this);
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inst->setIntendedVersionId(version->descriptor());
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inst->setShouldUseCustomBaseJar(false);
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break;
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case MinecraftVersion::OneSix:
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m_settings->set("InstanceType", "OneSix");
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inst = new OneSixInstance(instDir, m_settings, this);
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inst->setIntendedVersionId(version->descriptor());
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inst->setShouldUseCustomBaseJar(false);
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break;
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case MinecraftVersion::Nostalgia:
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m_settings->set("InstanceType", "Nostalgia");
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inst = new NostalgiaInstance(instDir, m_settings, this);
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inst->setIntendedVersionId(version->descriptor());
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inst->setShouldUseCustomBaseJar(false);
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break;
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default:
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{
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delete m_settings;
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return InstanceFactory::NoSuchVersion;
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}
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}
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// FIXME: really, how do you even know?
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return InstanceFactory::NoCreateError;
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}
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InstanceFactory::InstCreateError InstanceFactory::copyInstance(BaseInstance *&newInstance,
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BaseInstance *&oldInstance,
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const QString &instDir)
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{
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QDir rootDir(instDir);
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QLOG_DEBUG() << instDir.toUtf8();
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if (!copyPath(oldInstance->instanceRoot(), instDir))
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{
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rootDir.removeRecursively();
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return InstanceFactory::CantCreateDir;
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}
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auto error = loadInstance(newInstance, instDir);
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switch(error)
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{
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case NoLoadError:
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return NoCreateError;
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case UnknownLoadError:
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{
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rootDir.removeRecursively();
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return UnknownCreateError;
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}
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case NotAnInstance:
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{
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rootDir.removeRecursively();
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return CantCreateDir;
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}
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};
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}
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