94 lines
3.1 KiB
C#
94 lines
3.1 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright 2019-2020 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: OutgoingMapPackets.cs *
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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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* 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.Buffers;
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using System.IO;
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using System.Runtime.CompilerServices;
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namespace Server.Network
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{
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public static class OutgoingMapPackets
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{
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public static void SendMapPatches(this NetState ns)
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{
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if (ns == null || ns.ProtocolChanges >= ProtocolChanges.Version6000)
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{
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return;
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}
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int count;
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if (ns.HasFlag(ClientFlags.TerMur))
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{
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count = 6;
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}
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else if (ns.HasFlag(ClientFlags.Tokuno))
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{
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count = 5;
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}
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else if (ns.HasFlag(ClientFlags.Malas))
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{
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count = 4;
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}
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else if (ns.HasFlag(ClientFlags.Ilshenar))
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{
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count = 3;
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}
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else if (ns.HasFlag(ClientFlags.Trammel))
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{
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count = 2;
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}
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else if (ns.HasFlag(ClientFlags.Felucca))
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{
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count = 1;
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}
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else
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{
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return;
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}
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var writer = new SpanWriter(stackalloc byte[9 + count * 8]);
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writer.Write((byte)0xBF); // Packet ID
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writer.Seek(2, SeekOrigin.Current);
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writer.Write((ushort)0x18); // Subpacket
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writer.Write(count);
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for (int i = 0; i < count; i++)
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{
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var map = Map.Maps[i];
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writer.Write(map.Tiles.Patch.StaticBlocks);
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writer.Write(map.Tiles.Patch.LandBlocks);
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}
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writer.WritePacketLength();
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ns.Send(writer.Span);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void SendInvalidMap(this NetState ns) => ns?.Send(stackalloc byte[] { 0xC6 });
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public static void SendMapChange(this NetState ns, Map map)
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{
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if (map == null)
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{
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return;
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}
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ns?.Send(stackalloc byte[] { 0xBF, 0x00, 0x06, 0x00, 0x08, (byte)map.MapID });
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}
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}
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}
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