pollymc/launcher/minecraft/mod/tasks/LocalShaderPackParseTask.cpp

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// SPDX-FileCopyrightText: 2022 Rachel Powers <508861+Ryex@users.noreply.github.com>
//
// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2022 Rachel Powers <508861+Ryex@users.noreply.github.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/>.
*/
#include "LocalShaderPackParseTask.h"
#include "FileSystem.h"
#include <quazip/quazip.h>
#include <quazip/quazipfile.h>
#include <quazip/quazipdir.h>
namespace ShaderPackUtils {
bool process(ShaderPack& pack, ProcessingLevel level)
{
switch (pack.type()) {
case ResourceType::FOLDER:
return ShaderPackUtils::processFolder(pack, level);
case ResourceType::ZIPFILE:
return ShaderPackUtils::processZIP(pack, level);
default:
qWarning() << "Invalid type for shader pack parse task!";
return false;
}
}
bool processFolder(ShaderPack& pack, ProcessingLevel level)
{
Q_ASSERT(pack.type() == ResourceType::FOLDER);
QFileInfo shaders_dir_info(FS::PathCombine(pack.fileinfo().filePath(), "shaders"));
if (!shaders_dir_info.exists() || !shaders_dir_info.isDir()) {
return false; // assets dir does not exists or isn't valid
}
pack.setPackFormat(ShaderPackFormat::VALID);
if (level == ProcessingLevel::BasicInfoOnly) {
return true; // only need basic info already checked
}
return true; // all tests passed
}
bool processZIP(ShaderPack& pack, ProcessingLevel level)
{
Q_ASSERT(pack.type() == ResourceType::ZIPFILE);
QuaZip zip(pack.fileinfo().filePath());
if (!zip.open(QuaZip::mdUnzip))
return false; // can't open zip file
QuaZipFile file(&zip);
QuaZipDir zipDir(&zip);
if (!zipDir.exists("/shaders")) {
return false; // assets dir does not exists at zip root
}
pack.setPackFormat(ShaderPackFormat::VALID);
if (level == ProcessingLevel::BasicInfoOnly) {
zip.close();
return true; // only need basic info already checked
}
zip.close();
return true;
}
bool validate(QFileInfo file)
{
ShaderPack sp{ file };
return ShaderPackUtils::process(sp, ProcessingLevel::BasicInfoOnly) && sp.valid();
}
} // namespace ShaderPackUtils
LocalShaderPackParseTask::LocalShaderPackParseTask(int token, ShaderPack& sp)
: Task(nullptr, false), m_token(token), m_shader_pack(sp)
{}
bool LocalShaderPackParseTask::abort()
{
m_aborted = true;
return true;
}
void LocalShaderPackParseTask::executeTask()
{
if (!ShaderPackUtils::process(m_shader_pack))
return;
if (m_aborted)
emitAborted();
else
emitSucceeded();
}