hondacrx
100 lines
2.7 KiB
C#
100 lines
2.7 KiB
C#
/*
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* Copyright (C) 2012-2017 CypherCore <http://github.com/CypherCore>
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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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using System;
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using System.Diagnostics.Contracts;
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namespace Game.Network
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{
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public class CompactArray
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{
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public void Insert(int index, int value)
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{
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Contract.Assert(index < 0x20);
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_mask |= 1u << index;
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if (_contents.Length <= index)
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Array.Resize(ref _contents, index + 1);
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_contents[index] = value;
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}
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void Clear()
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{
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_mask = 0;
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_contents = new int[1];
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}
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public void Read(WorldPacket data)
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{
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uint mask = data.ReadUInt32();
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for (int index = 0; mask != 0; mask >>= 1, ++index)
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{
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if ((mask & 1) != 0)
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{
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int value = data.ReadInt32();
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Insert(index, value);
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}
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}
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}
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public void Write(WorldPacket data)
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{
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uint mask = GetMask();
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data.WriteUInt32(mask);
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for (int i = 0; i < GetSize(); ++i)
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{
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if (Convert.ToBoolean(mask & (1 << i)))
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data.WriteInt32(this[i]);
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}
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}
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public override int GetHashCode()
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{
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return _mask.GetHashCode() ^ _contents.GetHashCode();
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}
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public override bool Equals(object obj)
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{
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if (obj is CompactArray)
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return (CompactArray)obj == this;
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return false;
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}
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public static bool operator ==(CompactArray left, CompactArray right)
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{
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if (left._mask != right._mask)
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return false;
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return left._contents == right._contents;
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}
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public static bool operator !=(CompactArray left, CompactArray right)
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{
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return !(left == right);
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}
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uint GetMask() { return _mask; }
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public int this[int index] { get { return _contents[index]; } }
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int GetSize() { return _contents.Length; }
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uint _mask;
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int[] _contents = new int[1];
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}
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}
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