pollymc/logic/InstanceFactory.cpp
2013-10-06 01:13:40 +02:00

118 lines
3.3 KiB
C++

/* 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;
}