mirror of
https://github.com/kevinbentley/Descent3.git
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fb0dabc367
Currently, this tool can make only create HOG from list of files taken from text file (one line per file).
66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/*
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* Descent 3
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* Copyright (C) 2024 Descent Developers
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <cstdint>
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#include <ostream>
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#include "byteswap.h"
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namespace D3 {
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// std::byteswap from C++23
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template <typename T> constexpr T byteswap(T n) {
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T m;
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for (size_t i = 0; i < sizeof(T); i++)
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reinterpret_cast<uint8_t *>(&m)[i] = reinterpret_cast<uint8_t *>(&n)[sizeof(T) - 1 - i];
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return m;
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}
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/**
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* Convert integer to/from BE order
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*/
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template <typename T> constexpr T convert_be(T val) {
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#ifndef OUTRAGE_BIG_ENDIAN
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return byteswap(val);
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#else
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return (val);
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#endif
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}
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/**
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* Convert integer to/from LE order
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*/
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template <typename T> constexpr T convert_le(T val) {
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#ifndef OUTRAGE_BIG_ENDIAN
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return (val);
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#else
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return byteswap(val);
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#endif
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}
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template <class T>
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inline std::ostream &bin_write(std::ostream &output, T &value, bool is_little_endian = true, size_t n = sizeof(T)) {
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value = is_little_endian ? convert_le(value) : convert_be(value);
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output.write(reinterpret_cast<char *>(&value), n);
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return output;
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}
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} // namespace D3
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