pollymc/launcher/minecraft/mod/Mod.cpp
flow 40ccd1a469
fix: handling of incomplete mods
(i.e. mods without ModDetails that may have metadata)
2022-06-12 09:25:21 -03:00

245 lines
5.9 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 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 "Mod.h"
#include <QDir>
#include <QString>
#include <FileSystem.h>
#include <QDebug>
#include "Application.h"
#include "MetadataHandler.h"
namespace {
ModDetails invalidDetails;
}
Mod::Mod(const QFileInfo& file)
{
repath(file);
m_changedDateTime = file.lastModified();
}
Mod::Mod(const QDir& mods_dir, const Metadata::ModStruct& metadata)
: m_file(mods_dir.absoluteFilePath(metadata.filename))
, m_internal_id(metadata.filename)
, m_name(metadata.name)
{
if (m_file.isDir()) {
m_type = MOD_FOLDER;
} else {
if (metadata.filename.endsWith(".zip") || metadata.filename.endsWith(".jar"))
m_type = MOD_ZIPFILE;
else if (metadata.filename.endsWith(".litemod"))
m_type = MOD_LITEMOD;
else
m_type = MOD_SINGLEFILE;
}
m_enabled = true;
m_changedDateTime = m_file.lastModified();
m_temp_metadata = std::make_shared<Metadata::ModStruct>(std::move(metadata));
}
void Mod::repath(const QFileInfo& file)
{
m_file = file;
QString name_base = file.fileName();
m_type = Mod::MOD_UNKNOWN;
m_internal_id = name_base;
if (m_file.isDir()) {
m_type = MOD_FOLDER;
m_name = name_base;
} else if (m_file.isFile()) {
if (name_base.endsWith(".disabled")) {
m_enabled = false;
name_base.chop(9);
} else {
m_enabled = true;
}
if (name_base.endsWith(".zip") || name_base.endsWith(".jar")) {
m_type = MOD_ZIPFILE;
name_base.chop(4);
} else if (name_base.endsWith(".litemod")) {
m_type = MOD_LITEMOD;
name_base.chop(8);
} else {
m_type = MOD_SINGLEFILE;
}
m_name = name_base;
}
}
auto Mod::enable(bool value) -> bool
{
if (m_type == Mod::MOD_UNKNOWN || m_type == Mod::MOD_FOLDER)
return false;
if (m_enabled == value)
return false;
QString path = m_file.absoluteFilePath();
QFile file(path);
if (value) {
if (!path.endsWith(".disabled"))
return false;
path.chop(9);
if (!file.rename(path))
return false;
} else {
path += ".disabled";
if (!file.rename(path))
return false;
}
if (status() == ModStatus::NoMetadata)
repath(QFileInfo(path));
m_enabled = value;
return true;
}
void Mod::setStatus(ModStatus status)
{
if (m_localDetails) {
m_localDetails->status = status;
} else {
m_temp_status = status;
}
}
void Mod::setMetadata(Metadata::ModStruct* metadata)
{
if (status() == ModStatus::NoMetadata)
setStatus(ModStatus::Installed);
if (m_localDetails) {
m_localDetails->metadata.reset(metadata);
} else {
m_temp_metadata.reset(metadata);
}
}
auto Mod::destroy(QDir& index_dir) -> bool
{
auto n = name();
// FIXME: This can fail to remove the metadata if the
// "DontUseModMetadata" setting is on, since there could
// be a name mismatch!
Metadata::remove(index_dir, n);
m_type = MOD_UNKNOWN;
return FS::deletePath(m_file.filePath());
}
auto Mod::details() const -> const ModDetails&
{
return m_localDetails ? *m_localDetails : invalidDetails;
}
auto Mod::name() const -> QString
{
auto d_name = details().name;
if (!d_name.isEmpty()) {
return d_name;
}
return m_name;
}
auto Mod::version() const -> QString
{
return details().version;
}
auto Mod::homeurl() const -> QString
{
return details().homeurl;
}
auto Mod::description() const -> QString
{
return details().description;
}
auto Mod::authors() const -> QStringList
{
return details().authors;
}
auto Mod::status() const -> ModStatus
{
if (!m_localDetails)
return m_temp_status;
return details().status;
}
auto Mod::metadata() -> std::shared_ptr<Metadata::ModStruct>
{
if (m_localDetails)
return m_localDetails->metadata;
return m_temp_metadata;
}
auto Mod::metadata() const -> const std::shared_ptr<Metadata::ModStruct>
{
if (m_localDetails)
return m_localDetails->metadata;
return m_temp_metadata;
}
void Mod::finishResolvingWithDetails(std::shared_ptr<ModDetails> details)
{
m_resolving = false;
m_resolved = true;
m_localDetails = details;
if (m_localDetails && m_temp_metadata && m_temp_metadata->isValid()) {
m_localDetails->metadata = m_temp_metadata;
if (status() == ModStatus::NoMetadata)
setStatus(ModStatus::Installed);
}
setStatus(m_temp_status);
}