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baseline: OpenMU upstream b5a0961 (fresh source)

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Acentech Dev
2026-07-14 19:00:35 +03:00
parent 450402e47d
commit 36fc125d5c
11968 changed files with 748705 additions and 0 deletions
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422
src/Network/PacketTwister/PacketTwisterOfPartyList.cs Normal file
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// <copyright file="PacketTwisterOfPartyList.cs" company="MUnique">
// Licensed under the MIT License. See LICENSE file in the project root for full license information.
// </copyright>
namespace MUnique.OpenMU.Network.PacketTwister;
/// <summary>
/// PacketTwister implementation for packets of 'PartyList' type.
/// </summary>
internal class PacketTwisterOfPartyList : IPacketTwister
{
/// <inheritdoc/>
public void Twist(Span<byte> data)
{
if (data.Length >= 4)
{
if (data.Length >= 8)
{
if (data.Length >= 16)
{
if (data.Length >= 32)
{
var v13 = data[9];
data[9] = data[28];
data[28] = v13;
var v16 = (byte)((data[15] >> 7) & 1);
if (((data[15] >> 1) & 1) != 0)
{
data[15] |= 0x80;
}
else
{
data[15] &= 0x7F;
}
if (v16 != 0)
{
data[15] |= 2;
}
else
{
data[15] &= 0xFD;
}
data[22] ^= 0x10;
var v14 = (byte)(data[19] >> 2);
data[19] <<= 6;
data[19] |= v14;
var v15 = data[9];
data[9] = data[17];
data[17] = v15;
data[9] ^= 0xC2;
}
else
{
var v9 = data[6];
data[6] = data[9];
data[9] = v9;
data[0] ^= 0x78;
data[5] ^= 0x65;
data[2] ^= 0x64;
var v20 = (byte)((data[0] >> 1) & 1);
if (((data[0] >> 1) & 1) != 0)
{
data[0] |= 2;
}
else
{
data[0] &= 0xFD;
}
if (v20 != 0)
{
data[0] |= 2;
}
else
{
data[0] &= 0xFD;
}
var v19 = (byte)((data[1] >> 5) & 1);
if (((data[1] >> 1) & 1) != 0)
{
data[1] |= 0x20;
}
else
{
data[1] &= 0xDF;
}
if (v19 != 0)
{
data[1] |= 2;
}
else
{
data[1] &= 0xFD;
}
var v18 = (byte)((data[13] >> 4) & 1);
if (((data[13] >> 1) & 1) != 0)
{
data[13] |= 0x10;
}
else
{
data[13] &= 0xEF;
}
if (v18 != 0)
{
data[13] |= 2;
}
else
{
data[13] &= 0xFD;
}
var v10 = data[8];
data[8] = data[10];
data[10] = v10;
var v17 = (byte)((data[5] >> 2) & 1);
if (((data[5] >> 7) & 1) != 0)
{
data[5] |= 4;
}
else
{
data[5] &= 0xFB;
}
if (v17 != 0)
{
data[5] |= 0x80;
}
else
{
data[5] &= 0x7F;
}
var v11 = data[10];
data[10] = data[6];
data[6] = v11;
var v12 = (byte)(data[5] >> 4);
data[5] *= 16;
data[5] |= v12;
}
}
else
{
var v4 = data[3];
data[3] = data[3];
data[3] = v4;
data[4] ^= 0x32;
var v21 = (byte)((data[2] >> 2) & 1);
if (((data[2] >> 1) & 1) != 0)
{
data[2] |= 4;
}
else
{
data[2] &= 0xFB;
}
if (v21 != 0)
{
data[2] |= 2;
}
else
{
data[2] &= 0xFD;
}
var v5 = (byte)(data[7] >> 2);
data[7] <<= 6;
data[7] |= v5;
var v6 = (byte)(data[6] >> 6);
data[6] *= 4;
data[6] |= v6;
var v7 = (byte)(data[0] >> 6);
data[0] *= 4;
data[0] |= v7;
var v8 = (byte)(data[6] >> 7);
data[6] *= 2;
data[6] |= v8;
}
}
else
{
var v2 = (byte)((data[0] >> 2) & 1);
if (((data[0] >> 5) & 1) != 0)
{
data[0] |= 4;
}
else
{
data[0] &= 0xFB;
}
if (v2 != 0)
{
data[0] |= 0x20;
}
else
{
data[0] &= 0xDF;
}
data[0] ^= 0x65;
var v3 = data[1];
data[1] = data[2];
data[2] = v3;
data[2] ^= 0x31;
}
}
}
/// <inheritdoc/>
public void Correct(Span<byte> data)
{
if (data.Length >= 4)
{
if (data.Length >= 8)
{
if (data.Length >= 16)
{
if (data.Length >= 32)
{
data[9] ^= 0xC2;
var v13 = data[9];
data[9] = data[17];
data[17] = v13;
var v14 = (byte)(data[19] >> 6);
data[19] *= 4;
data[19] |= v14;
data[22] ^= 0x10;
var v16 = (byte)((data[15] >> 7) & 1);
if (((data[15] >> 1) & 1) != 0)
{
data[15] |= 0x80;
}
else
{
data[15] &= 0x7F;
}
if (v16 != 0)
{
data[15] |= 2;
}
else
{
data[15] &= 0xFD;
}
var v15 = data[9];
data[9] = data[28];
data[28] = v15;
}
else
{
var v9 = (byte)(data[5] >> 4);
data[5] *= 16;
data[5] |= v9;
var v10 = data[10];
data[10] = data[6];
data[6] = v10;
var v20 = (byte)((data[5] >> 2) & 1);
if (((data[5] >> 7) & 1) != 0)
{
data[5] |= 4;
}
else
{
data[5] &= 0xFB;
}
if (v20 != 0)
{
data[5] |= 0x80;
}
else
{
data[5] &= 0x7F;
}
var v11 = data[8];
data[8] = data[10];
data[10] = v11;
var v19 = (byte)((data[13] >> 4) & 1);
if (((data[13] >> 1) & 1) != 0)
{
data[13] |= 0x10;
}
else
{
data[13] &= 0xEF;
}
if (v19 != 0)
{
data[13] |= 2;
}
else
{
data[13] &= 0xFD;
}
var v18 = (byte)((data[1] >> 5) & 1);
if (((data[1] >> 1) & 1) != 0)
{
data[1] |= 0x20;
}
else
{
data[1] &= 0xDF;
}
if (v18 != 0)
{
data[1] |= 2;
}
else
{
data[1] &= 0xFD;
}
var v17 = (byte)((data[0] >> 1) & 1);
if (((data[0] >> 1) & 1) != 0)
{
data[0] |= 2;
}
else
{
data[0] &= 0xFD;
}
if (v17 != 0)
{
data[0] |= 2;
}
else
{
data[0] &= 0xFD;
}
data[2] ^= 0x64;
data[5] ^= 0x65;
data[0] ^= 0x78;
var v12 = data[6];
data[6] = data[9];
data[9] = v12;
}
}
else
{
var v4 = (byte)(data[6] >> 1);
data[6] <<= 7;
data[6] |= v4;
var v5 = (byte)(data[0] >> 2);
data[0] <<= 6;
data[0] |= v5;
var v6 = (byte)(data[6] >> 2);
data[6] <<= 6;
data[6] |= v6;
var v7 = (byte)(data[7] >> 6);
data[7] *= 4;
data[7] |= v7;
var v21 = (byte)((data[2] >> 2) & 1);
if (((data[2] >> 1) & 1) != 0)
{
data[2] |= 4;
}
else
{
data[2] &= 0xFB;
}
if (v21 != 0)
{
data[2] |= 2;
}
else
{
data[2] &= 0xFD;
}
data[4] ^= 0x32;
var v8 = data[3];
data[3] = data[3];
data[3] = v8;
}
}
else
{
data[2] ^= 0x31;
var v3 = data[1];
data[1] = data[2];
data[2] = v3;
data[0] ^= 0x65;
var v2 = (byte)((data[0] >> 2) & 1);
if (((data[0] >> 5) & 1) != 0)
{
data[0] |= 4;
}
else
{
data[0] &= 0xFB;
}
if (v2 != 0)
{
data[0] |= 0x20;
}
else
{
data[0] &= 0xDF;
}
}
}
}
}