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/* Copyright 2020 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 "TechnicPackProcessor.h"
#include <FileSystem.h>
#include <Json.h>
#include <minecraft/MinecraftInstance.h>
#include <minecraft/PackProfile.h>
#include <quazip.h>
#include <quazipdir.h>
#include <quazipfile.h>
#include <settings/INISettingsObject.h>
#include <memory>
void Technic::TechnicPackProcessor::run(SettingsObjectPtr globalSettings, const QString &instName, const QString &instIcon, const QString &stagingPath, const QString &minecraftVersion, const bool isSolder)
{
QString minecraftPath = FS::PathCombine(stagingPath, ".minecraft");
QString configPath = FS::PathCombine(stagingPath, "instance.cfg");
auto instanceSettings = std::make_shared<INISettingsObject>(configPath);
instanceSettings->registerSetting("InstanceType", "Legacy");
instanceSettings->set("InstanceType", "OneSix");
MinecraftInstance instance(globalSettings, instanceSettings, stagingPath);
instance.setName(instName);
if (instIcon != "default")
{
instance.setIconKey(instIcon);
}
auto components = instance.getPackProfile();
components->buildingFromScratch();
QByteArray data;
QString modpackJar = FS::PathCombine(minecraftPath, "bin", "modpack.jar");
QString versionJson = FS::PathCombine(minecraftPath, "bin", "version.json");
QString fmlMinecraftVersion;
if (QFile::exists(modpackJar))
{
QuaZip zipFile(modpackJar);
if (!zipFile.open(QuaZip::mdUnzip))
{
emit failed(tr("Unable to open \"bin/modpack.jar\" file!"));
return;
}
QuaZipDir zipFileRoot(&zipFile, "/");
if (zipFileRoot.exists("/version.json"))
{
if (zipFileRoot.exists("/fmlversion.properties"))
{
zipFile.setCurrentFile("fmlversion.properties");
QuaZipFile file(&zipFile);
if (!file.open(QIODevice::ReadOnly))
{
emit failed(tr("Unable to open \"fmlversion.properties\"!"));
return;
}
QByteArray fmlVersionData = file.readAll();
file.close();
INIFile iniFile;
iniFile.loadFile(fmlVersionData);
// If not present, this evaluates to a null string
fmlMinecraftVersion = iniFile["fmlbuild.mcversion"].toString();
}
zipFile.setCurrentFile("version.json", QuaZip::csSensitive);
QuaZipFile file(&zipFile);
if (!file.open(QIODevice::ReadOnly))
{
emit failed(tr("Unable to open \"version.json\"!"));
return;
}
data = file.readAll();
file.close();
}
else
{
if (minecraftVersion.isEmpty())
emit failed(tr("Could not find \"version.json\" inside \"bin/modpack.jar\", but minecraft version is unknown"));
components->setComponentVersion("net.minecraft", minecraftVersion, true);
components->installJarMods({modpackJar});
// Forge for 1.4.7 and for 1.5.2 require extra libraries.
// Figure out the forge version and add it as a component
// (the code still comes from the jar mod installed above)
if (zipFileRoot.exists("/forgeversion.properties"))
{
zipFile.setCurrentFile("forgeversion.properties", QuaZip::csSensitive);
QuaZipFile file(&zipFile);
if (!file.open(QIODevice::ReadOnly))
{
// Really shouldn't happen, but error handling shall not be forgotten
emit failed(tr("Unable to open \"forgeversion.properties\""));
return;
}
QByteArray forgeVersionData = file.readAll();
file.close();
INIFile iniFile;
iniFile.loadFile(forgeVersionData);
QString major, minor, revision, build;
major = iniFile["forge.major.number"].toString();
minor = iniFile["forge.minor.number"].toString();
revision = iniFile["forge.revision.number"].toString();
build = iniFile["forge.build.number"].toString();
if (major.isEmpty() || minor.isEmpty() || revision.isEmpty() || build.isEmpty())
{
emit failed(tr("Invalid \"forgeversion.properties\"!"));
return;
}
components->setComponentVersion("net.minecraftforge", major + '.' + minor + '.' + revision + '.' + build);
}
components->saveNow();
emit succeeded();
return;
}
}
else if (QFile::exists(versionJson))
{
QFile file(versionJson);
if (!file.open(QIODevice::ReadOnly))
{
emit failed(tr("Unable to open \"version.json\"!"));
return;
}
data = file.readAll();
file.close();
}
else
{
// This is the "Vanilla" modpack, excluded by the search code
emit failed(tr("Unable to find a \"version.json\"!"));
return;
}
try
{
QJsonDocument doc = Json::requireDocument(data);
QJsonObject root = Json::requireObject(doc, "version.json");
QString minecraftVersion = Json::ensureString(root, "inheritsFrom", QString(), "");
if (minecraftVersion.isEmpty())
{
if (fmlMinecraftVersion.isEmpty())
{
emit failed(tr("Could not understand \"version.json\":\ninheritsFrom is missing"));
return;
}
minecraftVersion = fmlMinecraftVersion;
}
components->setComponentVersion("net.minecraft", minecraftVersion, true);
for (auto library: Json::ensureArray(root, "libraries", {}))
{
if (!library.isObject())
{
continue;
}
auto libraryObject = Json::ensureObject(library, {}, "");
auto libraryName = Json::ensureString(libraryObject, "name", "", "");
if (libraryName.startsWith("net.minecraftforge:forge:") && libraryName.contains('-'))
{
components->setComponentVersion("net.minecraftforge", libraryName.section('-', 1));
}
else if (libraryName.startsWith("net.minecraftforge:minecraftforge:"))
{
components->setComponentVersion("net.minecraftforge", libraryName.section(':', 2));
}
else if (libraryName.startsWith("net.fabricmc:fabric-loader:"))
{
components->setComponentVersion("net.fabricmc.fabric-loader", libraryName.section(':', 2));
}
}
}
catch (const JSONValidationError &e)
{
emit failed(tr("Could not understand \"version.json\":\n") + e.cause());
return;
}
components->saveNow();
emit succeeded();
}
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