48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
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*/
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#pragma once
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#include <ox/std/defines.hpp>
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#include <ox/claw/claw.hpp>
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#include <ox/fs/fs.hpp>
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#include <nostalgia/foundation/context.hpp>
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namespace nostalgia::foundation {
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[[nodiscard]]
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ox::Result<ox::UUID> readUuidHeader(const ox::Buffer &buff) noexcept;
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ox::Result<ox::UUID> readUuidHeader(const char *buff, std::size_t buffLen) noexcept;
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ox::Error writeUuidHeader(ox::Writer_c auto *writer, const ox::UUID &uuid) noexcept {
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const auto hdr = ox::sfmt<ox::BString<40>>("N1{};", uuid.toString());
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return write(writer, hdr);
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}
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template<typename T>
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ox::Result<T> readAsset(const ox::Buffer &buff) noexcept {
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std::size_t offset = 0;
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const auto err = readUuidHeader(buff).error;
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if (!err) {
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offset = 40; // the size of N1 headers
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}
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return ox::readClaw<T>(buff.data() + offset, buff.size() - offset);
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}
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ox::Result<ox::ModelObject> readAsset(ox::TypeStore *ts, const ox::Buffer &buff) noexcept;
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struct AssetHdr {
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ox::UUID uuid;
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ox::ClawHeader clawHdr;
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};
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ox::Result<AssetHdr> readAssetHeader(const char *buff, std::size_t buffLen) noexcept;
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ox::Result<AssetHdr> readAssetHeader(const ox::Buffer &buff) noexcept;
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}
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