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pollymc/api/logic/minecraft/onesix/OneSixProfileStrategy.cpp
Petr Mrázek 5fabb4f254 NOISSUE Rough refactor of ProfilePatch and VersionFile internals. 
They are now distinct classes with distinct responsibilities.

* ProfilePatch is an entry in MinecraftProfile and can hold VersionFile or Meta::Version.
* VersionFile is the basic element that holds version information loaded from JSON.
* Meta::Version is the loader class for VersionFile(s) from a server.
2017-04-07 00:20:02 +02:00

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#include "OneSixProfileStrategy.h"
#include "OneSixInstance.h"
#include "OneSixVersionFormat.h"
#include "minecraft/VersionBuildError.h"
#include "Env.h"
#include <FileSystem.h>
#include <QDir>
#include <QUuid>
#include <QJsonDocument>
#include <QJsonArray>
#include <QSaveFile>
#include <QResource>
#include <meta/Index.h>
#include <meta/Version.h>
#include <tuple>
OneSixProfileStrategy::OneSixProfileStrategy(OneSixInstance* instance)
{
m_instance = instance;
}
void OneSixProfileStrategy::upgradeDeprecatedFiles()
{
auto versionJsonPath = FS::PathCombine(m_instance->instanceRoot(), "version.json");
auto customJsonPath = FS::PathCombine(m_instance->instanceRoot(), "custom.json");
auto mcJson = FS::PathCombine(m_instance->instanceRoot(), "patches" , "net.minecraft.json");
QString sourceFile;
QString renameFile;
// convert old crap.
if(QFile::exists(customJsonPath))
{
sourceFile = customJsonPath;
renameFile = versionJsonPath;
}
else if(QFile::exists(versionJsonPath))
{
sourceFile = versionJsonPath;
}
if(!sourceFile.isEmpty() && !QFile::exists(mcJson))
{
if(!FS::ensureFilePathExists(mcJson))
{
qWarning() << "Couldn't create patches folder for" << m_instance->name();
return;
}
if(!renameFile.isEmpty() && QFile::exists(renameFile))
{
if(!QFile::rename(renameFile, renameFile + ".old"))
{
qWarning() << "Couldn't rename" << renameFile << "to" << renameFile + ".old" << "in" << m_instance->name();
return;
}
}
auto file = ProfileUtils::parseJsonFile(QFileInfo(sourceFile), false);
ProfileUtils::removeLwjglFromPatch(file);
file->uid = "net.minecraft";
file->version = file->minecraftVersion;
file->name = "Minecraft";
auto data = OneSixVersionFormat::versionFileToJson(file, false).toJson();
QSaveFile newPatchFile(mcJson);
if(!newPatchFile.open(QIODevice::WriteOnly))
{
newPatchFile.cancelWriting();
qWarning() << "Couldn't open main patch for writing in" << m_instance->name();
return;
}
newPatchFile.write(data);
if(!newPatchFile.commit())
{
qWarning() << "Couldn't save main patch in" << m_instance->name();
return;
}
if(!QFile::rename(sourceFile, sourceFile + ".old"))
{
qWarning() << "Couldn't rename" << sourceFile << "to" << sourceFile + ".old" << "in" << m_instance->name();
return;
}
}
}
void OneSixProfileStrategy::loadDefaultBuiltinPatches()
{
{
auto mcJson = FS::PathCombine(m_instance->instanceRoot(), "patches" , "net.minecraft.json");
// load up the base minecraft patch
ProfilePatchPtr minecraftPatch;
if(QFile::exists(mcJson))
{
auto file = ProfileUtils::parseJsonFile(QFileInfo(mcJson), false);
if(file->version.isEmpty())
{
file->version = m_instance->intendedVersionId();
}
minecraftPatch = std::make_shared<ProfilePatch>(file, mcJson);
minecraftPatch->setVanilla(false);
minecraftPatch->setRevertible(true);
}
else
{
auto mcversion = ENV.metadataIndex()->get("net.minecraft", m_instance->intendedVersionId());
minecraftPatch = std::make_shared<ProfilePatch>(mcversion);
minecraftPatch->setVanilla(true);
}
if (!minecraftPatch)
{
throw VersionIncomplete("net.minecraft");
}
minecraftPatch->setOrder(-2);
profile->appendPatch(minecraftPatch);
}
{
auto lwjglJson = FS::PathCombine(m_instance->instanceRoot(), "patches" , "org.lwjgl.json");
ProfilePatchPtr lwjglPatch;
if(QFile::exists(lwjglJson))
{
auto file = ProfileUtils::parseJsonFile(QFileInfo(lwjglJson), false);
lwjglPatch = std::make_shared<ProfilePatch>(file, lwjglJson);
lwjglPatch->setVanilla(false);
lwjglPatch->setRevertible(true);
}
else
{
auto lwjglversion = ENV.metadataIndex()->get("org.lwjgl", "2.9.1");
lwjglPatch = std::make_shared<ProfilePatch>(lwjglversion);
lwjglPatch->setVanilla(true);
}
if (!lwjglPatch)
{
throw VersionIncomplete("org.lwjgl");
}
lwjglPatch->setOrder(-1);
profile->appendPatch(lwjglPatch);
}
}
void OneSixProfileStrategy::loadUserPatches()
{
// load all patches, put into map for ordering, apply in the right order
ProfileUtils::PatchOrder userOrder;
ProfileUtils::readOverrideOrders(FS::PathCombine(m_instance->instanceRoot(), "order.json"), userOrder);
QDir patches(FS::PathCombine(m_instance->instanceRoot(),"patches"));
QSet<QString> seen_extra;
// first, load things by sort order.
for (auto id : userOrder)
{
// ignore builtins
if (id == "net.minecraft")
continue;
if (id == "org.lwjgl")
continue;
// parse the file
QString filename = patches.absoluteFilePath(id + ".json");
QFileInfo finfo(filename);
if(!finfo.exists())
{
qDebug() << "Patch file " << filename << " was deleted by external means...";
continue;
}
qDebug() << "Reading" << filename << "by user order";
VersionFilePtr file = ProfileUtils::parseJsonFile(finfo, false);
// sanity check. prevent tampering with files.
if (file->uid != id)
{
file->addProblem(ProblemSeverity::Warning, QObject::tr("load id %1 does not match internal id %2").arg(id, file->uid));
seen_extra.insert(file->uid);
}
auto patchEntry = std::make_shared<ProfilePatch>(file, filename);
patchEntry->setRemovable(true);
patchEntry->setMovable(true);
profile->appendPatch(patchEntry);
}
// now load the rest by internal preference.
using FileEntry = std::tuple<VersionFilePtr, QString>;
QMultiMap<int, FileEntry> files;
for (auto info : patches.entryInfoList(QStringList() << "*.json", QDir::Files))
{
// parse the file
qDebug() << "Reading" << info.fileName();
auto file = ProfileUtils::parseJsonFile(info, true);
// ignore builtins
if (file->uid == "net.minecraft")
continue;
if (file->uid == "org.lwjgl")
continue;
// do not load versions with broken IDs twice
if(seen_extra.contains(file->uid))
continue;
// do not load what we already loaded in the first pass
if (userOrder.contains(file->uid))
continue;
files.insert(file->order, std::make_tuple(file, info.filePath()));
}
auto appendFilePatch = [&](FileEntry tuple)
{
VersionFilePtr file;
QString filename;
std::tie(file, filename) = tuple;
auto patchEntry = std::make_shared<ProfilePatch>(file, filename);
patchEntry->setRemovable(true);
patchEntry->setMovable(true);
profile->appendPatch(patchEntry);
};
QSet<int> seen;
for (auto order : files.keys())
{
if(seen.contains(order))
continue;
seen.insert(order);
const auto &values = files.values(order);
if(values.size() == 1)
{
appendFilePatch(values[0]);
continue;
}
for(auto &file: values)
{
QStringList list;
for(auto &file2: values)
{
if(file != file2)
{
list.append(std::get<0>(file2)->name);
}
}
auto vfileptr = std::get<0>(file);
vfileptr->addProblem(ProblemSeverity::Warning, QObject::tr("%1 has the same order as the following components:\n%2").arg(vfileptr->name, list.join(", ")));
appendFilePatch(file);
}
}
}
void OneSixProfileStrategy::load()
{
profile->clearPatches();
upgradeDeprecatedFiles();
loadDefaultBuiltinPatches();
loadUserPatches();
}
bool OneSixProfileStrategy::saveOrder(ProfileUtils::PatchOrder order)
{
return ProfileUtils::writeOverrideOrders(FS::PathCombine(m_instance->instanceRoot(), "order.json"), order);
}
bool OneSixProfileStrategy::resetOrder()
{
return QDir(m_instance->instanceRoot()).remove("order.json");
}
bool OneSixProfileStrategy::removePatch(ProfilePatchPtr patch)
{
bool ok = true;
// first, remove the patch file. this ensures it's not used anymore
auto fileName = patch->getFilename();
if(fileName.size())
{
QFile patchFile(fileName);
if(patchFile.exists() && !patchFile.remove())
{
qCritical() << "File" << fileName << "could not be removed because:" << patchFile.errorString();
return false;
}
}
auto preRemoveJarMod = [&](JarmodPtr jarMod) -> bool
{
QString fullpath = FS::PathCombine(m_instance->jarModsDir(), jarMod->name);
QFileInfo finfo (fullpath);
if(finfo.exists())
{
QFile jarModFile(fullpath);
if(!jarModFile.remove())
{
qCritical() << "File" << fullpath << "could not be removed because:" << jarModFile.errorString();
return false;
}
return true;
}
return true;
};
auto &jarMods = patch->getVersionFile()->jarMods;
for(auto &jarmod: jarMods)
{
ok &= preRemoveJarMod(jarmod);
}
return ok;
}
bool OneSixProfileStrategy::customizePatch(ProfilePatchPtr patch)
{
if(patch->isCustom())
{
return false;
}
auto filename = FS::PathCombine(m_instance->instanceRoot(), "patches" , patch->getID() + ".json");
if(!FS::ensureFilePathExists(filename))
{
return false;
}
try
{
QSaveFile jsonFile(filename);
if(!jsonFile.open(QIODevice::WriteOnly))
{
return false;
}
auto vfile = patch->getVersionFile();
if(!vfile)
{
return false;
}
auto document = OneSixVersionFormat::versionFileToJson(vfile, true);
jsonFile.write(document.toJson());
if(!jsonFile.commit())
{
return false;
}
load();
}
catch (VersionIncomplete &error)
{
qDebug() << "Version was incomplete:" << error.cause();
}
catch (Exception &error)
{
qWarning() << "Version could not be loaded:" << error.cause();
}
return true;
}
bool OneSixProfileStrategy::revertPatch(ProfilePatchPtr patch)
{
if(!patch->isCustom())
{
// already not custom
return true;
}
auto filename = patch->getFilename();
if(!QFile::exists(filename))
{
// already gone / not custom
return true;
}
// just kill the file and reload
bool result = QFile::remove(filename);
try
{
load();
}
catch (VersionIncomplete &error)
{
qDebug() << "Version was incomplete:" << error.cause();
}
catch (Exception &error)
{
qWarning() << "Version could not be loaded:" << error.cause();
}
return result;
}
bool OneSixProfileStrategy::installJarMods(QStringList filepaths)
{
QString patchDir = FS::PathCombine(m_instance->instanceRoot(), "patches");
if(!FS::ensureFolderPathExists(patchDir))
{
return false;
}
if (!FS::ensureFolderPathExists(m_instance->jarModsDir()))
{
return false;
}
for(auto filepath:filepaths)
{
QFileInfo sourceInfo(filepath);
auto uuid = QUuid::createUuid();
QString id = uuid.toString().remove('{').remove('}');
QString target_filename = id + ".jar";
QString target_id = "org.multimc.jarmod." + id;
QString target_name = sourceInfo.completeBaseName() + " (jar mod)";
QString finalPath = FS::PathCombine(m_instance->jarModsDir(), target_filename);
QFileInfo targetInfo(finalPath);
if(targetInfo.exists())
{
return false;
}
if (!QFile::copy(sourceInfo.absoluteFilePath(),QFileInfo(finalPath).absoluteFilePath()))
{
return false;
}
auto f = std::make_shared<VersionFile>();
auto jarMod = std::make_shared<Jarmod>();
jarMod->name = target_filename;
jarMod->originalName = sourceInfo.completeBaseName();
f->jarMods.append(jarMod);
f->name = target_name;
f->uid = target_id;
f->order = profile->getFreeOrderNumber();
QString patchFileName = FS::PathCombine(patchDir, target_id + ".json");
// f->filename = patchFileName;
QFile file(patchFileName);
if (!file.open(QFile::WriteOnly))
{
qCritical() << "Error opening" << file.fileName()
<< "for reading:" << file.errorString();
return false;
}
file.write(OneSixVersionFormat::versionFileToJson(f, true).toJson());
file.close();
auto patch = std::make_shared<ProfilePatch>(f);
patch->setMovable(true);
patch->setRemovable(true);
profile->appendPatch(patch);
}
profile->saveCurrentOrder();
profile->reapplyPatches();
return true;
}
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