84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
/*
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* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "SFMTRand.h"
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#include <algorithm>
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#include <array>
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#include <functional>
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#include <random>
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#include <emmintrin.h>
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#include <ctime>
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SFMTRand::SFMTRand()
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{
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std::random_device dev;
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if (dev.entropy() > 0)
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{
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std::array<uint32, SFMT_N32> seed;
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std::generate(seed.begin(), seed.end(), std::ref(dev));
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sfmt_init_by_array(&_state, seed.data(), seed.size());
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}
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else
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sfmt_init_gen_rand(&_state, uint32(time(nullptr)));
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}
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uint32 SFMTRand::RandomUInt32() // Output random bits
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{
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return sfmt_genrand_uint32(&_state);
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}
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void* SFMTRand::operator new(size_t size, std::nothrow_t const&)
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{
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return _mm_malloc(size, 16);
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}
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void SFMTRand::operator delete(void* ptr, std::nothrow_t const&)
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{
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_mm_free(ptr);
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}
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void* SFMTRand::operator new(size_t size)
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{
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return _mm_malloc(size, 16);
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}
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void SFMTRand::operator delete(void* ptr)
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{
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_mm_free(ptr);
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}
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void* SFMTRand::operator new[](size_t size, std::nothrow_t const&)
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{
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return _mm_malloc(size, 16);
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}
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void SFMTRand::operator delete[](void* ptr, std::nothrow_t const&)
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{
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_mm_free(ptr);
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}
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void* SFMTRand::operator new[](size_t size)
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{
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return _mm_malloc(size, 16);
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}
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void SFMTRand::operator delete[](void* ptr)
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{
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_mm_free(ptr);
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}
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