mirror of
https://bitbucket.org/Ioncannon/project-meteor-server.git
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124 lines
4.5 KiB
C#
124 lines
4.5 KiB
C#
/*
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===========================================================================
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Copyright (C) 2015-2019 Project Meteor Dev Team
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This file is part of Project Meteor Server.
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Project Meteor Server is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero 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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Project Meteor Server 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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with Project Meteor Server. If not, see <https:www.gnu.org/licenses/>.
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===========================================================================
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using Meteor.Common;
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namespace Meteor.Lobby.Packets
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{
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class ImportListPacket
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{
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public const ushort OPCODE = 0x16;
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public const ushort MAXPERPACKET = 12;
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private UInt64 sequence;
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private List<String> namesList;
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public ImportListPacket(UInt64 sequence, List<String> names)
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{
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this.sequence = sequence;
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this.namesList = names;
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}
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public List<SubPacket> BuildPackets()
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{
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List<SubPacket> subPackets = new List<SubPacket>();
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int namesCount = 0;
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int totalCount = 0;
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MemoryStream memStream = null;
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BinaryWriter binWriter = null;
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foreach (String name in namesList)
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{
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if (totalCount == 0 || namesCount % MAXPERPACKET == 0)
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{
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memStream = new MemoryStream(0x210);
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binWriter = new BinaryWriter(memStream);
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//Write List Info
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binWriter.Write((UInt64)sequence);
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byte listTracker = (byte)((MAXPERPACKET * 2) * subPackets.Count);
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binWriter.Write(namesList.Count - totalCount <= MAXPERPACKET ? (byte)(listTracker + 1) : (byte)(listTracker));
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binWriter.Write(namesList.Count - totalCount <= MAXPERPACKET ? (UInt32)(namesList.Count - totalCount) : (UInt32)MAXPERPACKET);
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binWriter.Write((byte)0);
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binWriter.Write((UInt16)0);
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}
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//Write Entries
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binWriter.Write((uint)0);
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binWriter.Write((uint)totalCount);
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if (!name.Contains(" "))
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binWriter.Write(Encoding.ASCII.GetBytes((name+" Last").PadRight(0x20, '\0')));
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else
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binWriter.Write(Encoding.ASCII.GetBytes(name.PadRight(0x20, '\0')));
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namesCount++;
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totalCount++;
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//Send this chunk of world list
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if (namesCount >= MAXPERPACKET)
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{
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byte[] data = memStream.GetBuffer();
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binWriter.Dispose();
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memStream.Dispose();
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SubPacket subpacket = new SubPacket(OPCODE, 0xe0006868, data);
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subpacket.SetTargetId(0xe0006868);
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subPackets.Add(subpacket);
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namesCount = 0;
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}
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}
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//If there is anything left that was missed or the list is empty
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if (namesCount > 0 || namesList.Count == 0)
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{
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if (namesList.Count == 0)
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{
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memStream = new MemoryStream(0x210);
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binWriter = new BinaryWriter(memStream);
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//Write Empty List Info
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binWriter.Write((UInt64)sequence);
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byte listTracker = (byte)((MAXPERPACKET * 2) * subPackets.Count);
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binWriter.Write(namesList.Count - totalCount <= MAXPERPACKET ? (byte)(listTracker + 1) : (byte)(listTracker));
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binWriter.Write((UInt32)0);
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binWriter.Write((byte)0);
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binWriter.Write((UInt16)0);
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}
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byte[] data = memStream.GetBuffer();
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binWriter.Dispose();
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memStream.Dispose();
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SubPacket subpacket = new SubPacket(OPCODE, 0xe0006868, data);
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subpacket.SetTargetId(0xe0006868);
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subPackets.Add(subpacket);
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}
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return subPackets;
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}
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}
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}
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