str1k3r
70086d3b28
Add Discord RPC back with new features, add beta splitscreen support, PR's from MCLCE used in this https://github.com/MCLCE/MinecraftConsoles/pull/1044 https://github.com/MCLCE/MinecraftConsoles/pull/1136 https://github.com/MCLCE/MinecraftConsoles/pull/1245
65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
#pragma once
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#ifdef _WINDOWS64
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#include <string>
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#include <cstdio>
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#include <cstdlib>
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#include <cerrno>
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#include <cstring>
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#include <Windows.h>
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namespace Win64Xuid
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{
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inline PlayerUID DeriveXuidForPad(PlayerUID baseXuid, int iPad)
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{
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if (iPad == 0)
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return baseXuid;
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uint64_t a = (uint64_t)baseXuid + (uint64_t)iPad;
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a = (~a) + (a << 21);
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a = a ^ (a >> 24);
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a = (a + (a << 3)) + (a << 8);
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a = a ^ (a >> 14);
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a = (a + (a << 2)) + (a << 4);
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a = a ^ (a >> 28);
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a = a + (a << 31);
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a |= 0x8000000000000000ULL;
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if (a == (uint64_t)INVALID_XUID)
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a ^= 0x0100000000000001ULL;
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return (PlayerUID)a;
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}
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inline PlayerUID ResolvePersistentXuidFromName(const std::wstring& playerName)
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{
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const unsigned __int64 fnvOffset = 14695981039346656037ULL;
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const unsigned __int64 fnvPrime = 1099511628211ULL;
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unsigned __int64 hash = fnvOffset;
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for (size_t i = 0; i < playerName.length(); ++i)
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{
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unsigned short codeUnit = (unsigned short)playerName[i];
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hash ^= (unsigned __int64)(codeUnit & 0xFF);
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hash *= fnvPrime;
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hash ^= (unsigned __int64)((codeUnit >> 8) & 0xFF);
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hash *= fnvPrime;
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}
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// Namespace the hash away from legacy smallId-based values.
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hash ^= 0x9E3779B97F4A7C15ULL;
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hash |= 0x8000000000000000ULL;
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if (hash == (unsigned __int64)INVALID_XUID)
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{
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hash ^= 0x0100000000000001ULL;
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}
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return (PlayerUID)hash;
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}
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}
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#endif
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