Split MultiMC up into a few separate libraries.

Fixed plugin system.

Tons of other stuff...

libinstance/src/instance.cpp

@@ -0,0 +1,110 @@
+/* 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 "include/instance.h"
+
+#include <QFileInfo>
+
+#include "pathutils.h"
+
+Instance::Instance(const QString &rootDir, QObject *parent) :
+	SettingsBase(parent)
+{
+	m_rootDir = rootDir;
+	config.loadFile(PathCombine(rootDir, "instance.cfg"));
+}
+
+QString Instance::id() const
+{
+	return QFileInfo(rootDir()).baseName();
+}
+
+QString Instance::rootDir() const
+{
+	return m_rootDir;
+}
+
+InstanceList *Instance::instList() const
+{
+	if (parent()->inherits("InstanceList"))
+		return (InstanceList *)parent();
+	else
+		return NULL;
+}
+
+QString Instance::minecraftDir() const
+{
+	QFileInfo mcDir(PathCombine(rootDir(), "minecraft"));
+	QFileInfo dotMCDir(PathCombine(rootDir(), ".minecraft"));
+	
+	if (dotMCDir.exists() && !mcDir.exists())
+	{
+		return dotMCDir.path();
+	}
+	else
+	{
+		return mcDir.path();
+	}
+}
+
+QString Instance::binDir() const
+{
+	return PathCombine(minecraftDir(), "bin");
+}
+
+QString Instance::savesDir() const
+{
+	return PathCombine(minecraftDir(), "saves");
+}
+
+QString Instance::mlModsDir() const
+{
+	return PathCombine(minecraftDir(), "mods");
+}
+
+QString Instance::coreModsDir() const
+{
+	return PathCombine(minecraftDir(), "coremods");
+}
+
+QString Instance::resourceDir() const
+{
+	return PathCombine(minecraftDir(), "resources");
+}
+
+QString Instance::screenshotsDir() const
+{
+	return PathCombine(minecraftDir(), "screenshots");
+}
+
+QString Instance::texturePacksDir() const
+{
+	return PathCombine(minecraftDir(), "texturepacks");
+}
+
+QString Instance::mcJar() const
+{
+	return PathCombine(binDir(), "minecraft.jar");
+}
+
+QVariant Instance::getField(const QString &name, QVariant defVal) const
+{
+	return config.get(name, defVal);
+}
+
+void Instance::setField(const QString &name, QVariant val)
+{
+	config.set(name, val);
+}

libinstance/src/instancelist.cpp

@@ -0,0 +1,84 @@
+/* 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 "include/instancelist.h"
+
+#include "siglist_impl.h"
+
+#include <QDir>
+#include <QFile>
+#include <QDirIterator>
+
+#include "include/instance.h"
+#include "include/instanceloader.h"
+
+#include "pathutils.h"
+
+
+InstanceList::InstanceList(const QString &instDir, QObject *parent) :
+	QObject(parent), m_instDir(instDir)
+{
+	
+}
+
+InstanceList::InstListError InstanceList::loadList()
+{
+	QDir dir(m_instDir);
+	QDirIterator iter(dir);
+	
+	while (iter.hasNext())
+	{
+		QString subDir = iter.next();
+		if (QFileInfo(PathCombine(subDir, "instance.cfg")).exists())
+		{
+			QSharedPointer<Instance> inst;
+			InstanceLoader::InstTypeError error = InstanceLoader::get().
+					loadInstance(inst.data(), subDir);
+			
+			if (error != InstanceLoader::NoError &&
+					 error != InstanceLoader::NotAnInstance)
+			{
+				QString errorMsg = QString("Failed to load instance %1: ").
+						arg(QFileInfo(subDir).baseName()).toUtf8();
+				
+				switch (error)
+				{
+				case InstanceLoader::TypeNotRegistered:
+					errorMsg += "Instance type not found.";
+					break;
+					
+				default:
+					errorMsg += QString("Unknown instance loader error %1").
+							arg(error);
+					break;
+				}
+				qDebug(errorMsg.toUtf8());
+			}
+			else if (!inst.data())
+			{
+				qDebug(QString("Error loading instance %1. Instance loader returned null.").
+					   arg(QFileInfo(subDir).baseName()).toUtf8());
+			}
+			else
+			{
+				qDebug(QString("Loaded instance %1").arg(inst->name()).toUtf8());
+				inst->setParent(this);
+				append(QSharedPointer<Instance>(inst));
+			}
+		}
+	}
+	
+	return NoError;
+}

libinstance/src/instanceloader.cpp

@@ -0,0 +1,109 @@
+/* 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 "include/instanceloader.h"
+
+#include <QFileInfo>
+
+#include "include/instancetypeinterface.h"
+
+#include "inifile.h"
+
+#include "pathutils.h"
+
+InstanceLoader InstanceLoader::loader;
+
+InstanceLoader::InstanceLoader() :
+	QObject(NULL)
+{
+	
+}
+
+
+InstanceLoader::InstTypeError InstanceLoader::registerInstanceType(InstanceTypeInterface *type)
+{
+	// Check to see if the type ID exists.
+	if (m_typeMap.contains(type->typeID()))
+		return TypeIDExists;
+	
+	// Set the parent to this.
+	// ((QObject *)type)->setParent(this);
+	
+	// Add it to the map.
+	m_typeMap.insert(type->typeID(), type);
+	
+	qDebug(QString("Registered instance type %1.").
+		   arg(type->typeID()).toUtf8());
+	return NoError;
+}
+
+InstanceLoader::InstTypeError InstanceLoader::createInstance(Instance *inst, 
+															 const InstanceTypeInterface *type, 
+															 const QString &instDir)
+{
+	// Check if the type is registered.
+	if (!type || findType(type->typeID()) != type)
+		return TypeNotRegistered;
+	
+	// Create the instance.
+	return type->createInstance(inst, instDir);
+}
+
+InstanceLoader::InstTypeError InstanceLoader::loadInstance(Instance *inst, 
+														   const InstanceTypeInterface *type, 
+														   const QString &instDir)
+{
+	// Check if the type is registered.
+	if (!type || findType(type->typeID()) != type)
+		return TypeNotRegistered;
+	
+	return type->loadInstance(inst, instDir);
+}
+
+InstanceLoader::InstTypeError InstanceLoader::loadInstance(Instance *inst, 
+														   const QString &instDir)
+{
+	QFileInfo instConfig(PathCombine(instDir, "instance.cfg"));
+	
+	if (!instConfig.exists())
+		return NotAnInstance;
+	
+	INIFile ini;
+	ini.loadFile(instConfig.path());
+	QString typeName = ini.get("type", "net.forkk.MultiMC.StdInstance").toString();
+	const InstanceTypeInterface *type = findType(typeName);
+	
+	return loadInstance(inst, type, instDir);
+}
+
+const InstanceTypeInterface *InstanceLoader::findType(const QString &id)
+{
+	if (!m_typeMap.contains(id))
+		return NULL;
+	else
+		return m_typeMap[id];
+}
+
+InstTypeList InstanceLoader::typeList()
+{
+	InstTypeList typeList;
+	
+	for (auto iter = m_typeMap.begin(); iter != m_typeMap.end(); iter++)
+	{
+		typeList.append(*iter);
+	}
+	
+	return typeList;
+}

libinstance/src/instversion.cpp

@@ -0,0 +1,32 @@
+/* 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 "include/instversion.h"
+#include "include/instversionlist.h"
+
+InstVersion::InstVersion(InstVersionList *parent) :
+	QObject(parent)
+{
+	
+}
+
+InstVersionList *InstVersion::versionList() const
+{
+	// Parent should *always* be an InstVersionList
+	if (!parent() || !parent()->inherits("InstVersionList"))
+		return NULL;
+	else
+		return (InstVersionList *)parent();
+}

libinstance/src/instversionlist.cpp

@@ -0,0 +1,21 @@
+/* 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 "include/instversionlist.h"
+
+InstVersionList::InstVersionList() :
+	QObject(NULL)
+{
+}