Move all the things (YES. Move them.)

Also, implemented some basic modlist logic, to be wired up.

1 files changed, 113 insertions, 0 deletions

diff --git a/logic/InstanceFactory.cpp b/logic/InstanceFactory.cpp
new file mode 100644
index 00000000..f3511157
--- /dev/null
+++ b/logic/InstanceFactory.cpp
@@ -0,0 +1,113 @@
+/* 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 "InstanceVersion.h"
+#include "MinecraftVersion.h"
+
+#include "inifile.h"
+#include <inisettingsobject.h>
+#include <setting.h>
+
+#include "pathutils.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, InstVersionPtr version, const QString& instDir )
+{
+	QDir rootDir(instDir);
+	
+	qDebug(instDir.toUtf8());
+	if (!rootDir.exists() && !rootDir.mkpath("."))
+	{
+		return InstanceFactory::CantCreateDir;
+	}
+	auto mcVer = version.dynamicCast<MinecraftVersion>();
+	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);
+			break;
+		case MinecraftVersion::OneSix:
+			m_settings->set("InstanceType", "OneSix");
+			inst = new OneSixInstance(instDir, m_settings, this);
+			inst->setIntendedVersionId(version->descriptor);
+			break;
+		case MinecraftVersion::Nostalgia:
+			m_settings->set("InstanceType", "Nostalgia");
+			inst = new NostalgiaInstance(instDir, m_settings, this);
+			inst->setIntendedVersionId(version->descriptor);
+			break;
+		default:
+		{
+			delete m_settings;
+			return InstanceFactory::NoSuchVersion;
+		}
+	}
+	
+	//FIXME: really, how do you even know?
+	return InstanceFactory::NoCreateError;
+}