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fix(map): Fixes map diffs (Old Haven/Minax) (#720)

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* Fixes reading map/static diffs.
This commit is contained in:
Kamron Batman 2021-08-22 23:35:18 -07:00 • committed by GitHub
parent 0bcf7a8d01
commit 9729b5a7b0
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 54 additions and 157 deletions
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65
Projects/Server/Network/Packets/OutgoingMapPackets.cs
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@ -14,68 +14,39 @@
*************************************************************************/
using System.Buffers;
using System.IO;
using System.Runtime.CompilerServices;
namespace Server.Network
{
public static class OutgoingMapPackets
{
private static byte[] _mapPatchesPacket = new byte[41];
public static void SendMapPatches(this NetState ns)
{
if (ns == null || ns.ProtocolChanges >= ProtocolChanges.Version6000)
if (ns == null)
{
return;
}
int count;
if (_mapPatchesPacket[0] == 0)
{
var writer = new SpanWriter(_mapPatchesPacket);
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)41); // Length
writer.Write((ushort)0x18); // Subpacket
writer.Write(4);
if (ns.HasFlag(ClientFlags.TerMur))
{
count = 6;
}
else if (ns.HasFlag(ClientFlags.Tokuno))
{
count = 5;
}
else if (ns.HasFlag(ClientFlags.Malas))
{
count = 4;
}
else if (ns.HasFlag(ClientFlags.Ilshenar))
{
count = 3;
}
else if (ns.HasFlag(ClientFlags.Trammel))
{
count = 2;
}
else if (ns.HasFlag(ClientFlags.Felucca))
{
count = 1;
}
else
{
return;
for (int i = 0; i < 4; i++)
{
var map = Map.Maps[i];
writer.Write(map.Tiles.Patch.StaticBlocks);
writer.Write(map.Tiles.Patch.LandBlocks);
}
}
var writer = new SpanWriter(stackalloc byte[9 + count * 8]);
writer.Write((byte)0xBF); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write((ushort)0x18); // Subpacket
writer.Write(count);
for (int i = 0; i < count; i++)
{
var map = Map.Maps[i];
writer.Write(map.Tiles.Patch.StaticBlocks);
writer.Write(map.Tiles.Patch.LandBlocks);
}
writer.WritePacketLength();
ns.Send(writer.Span);
ns.Send(_mapPatchesPacket);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]