flycast/core/oslib/resources.cpp

69 lines
1.8 KiB
C++

/*
Copyright 2024 flyinghead
This file is part of Flycast.
Flycast 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, either version 2 of the License, or
(at your option) any later version.
Flycast 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 Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#include "resources.h"
#include "archive/ZipArchive.h"
#include <cstring>
#include <cmrc/cmrc.hpp>
CMRC_DECLARE(flycast);
namespace resource
{
std::unique_ptr<u8[]> load(const std::string& path, size_t& size)
{
try {
cmrc::embedded_filesystem fs = cmrc::flycast::get_filesystem();
std::string zipName = path + ".zip";
if (fs.exists(zipName))
{
cmrc::file zipFile = fs.open(zipName);
ZipArchive zip;
if (zip.Open(zipFile.cbegin(), zipFile.size()))
{
std::unique_ptr<ArchiveFile> file;
file.reset(zip.OpenFirstFile());
if (file != nullptr)
{
size = file->length();
std::unique_ptr<u8[]> buffer = std::make_unique<u8[]>(size);
size = file->Read(buffer.get(), size);
return buffer;
}
}
}
else
{
cmrc::file file = fs.open(path);
size = file.size();
std::unique_ptr<u8[]> buffer = std::make_unique<u8[]>(size);
memcpy(buffer.get(), file.begin(), size);
return buffer;
}
} catch (const std::system_error& e) {
}
INFO_LOG(COMMON, "Resource not found: %s", path.c_str());
size = 0;
return nullptr;
}
}