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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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10
Projects/Server.Tests/Tests/Network/Packets/Outgoing/MapPacketTests.cs
View file

@ -6,16 +6,12 @@ namespace Server.Tests.Network
{
public class MapPatchesTests : IClassFixture<ServerFixture>
{
[Theory]
[InlineData(ProtocolChanges.Version500a, ClientFlags.Malas | ClientFlags.Trammel | ClientFlags.Felucca)]
[InlineData(ProtocolChanges.Version7090, ClientFlags.TerMur | ClientFlags.Trammel | ClientFlags.Felucca)]
public void TestMapPatches(ProtocolChanges protocolChanges, ClientFlags flags)
[Fact]
public void TestMapPatches()
{
var ns = PacketTestUtilities.CreateTestNetState();
ns.ProtocolChanges = protocolChanges;
ns.Flags = flags;
var expected = ns.ProtocolChanges >= ProtocolChanges.Version6000 ? Span<byte>.Empty : new MapPatches().Compile();
var expected = new MapPatches().Compile();
ns.SendMapPatches();

5
Projects/Server/Configuration/ServerConfiguration.cs
View file

@ -254,7 +254,7 @@ namespace Server
if (string.IsNullOrWhiteSpace(input) || input.InsensitiveStartsWith("n"))
{
Utility.PushColor(ConsoleColor.Yellow);
Console.WriteLine("New Haven chosen with no map diffs.");
Console.WriteLine("Client >= 6.0.0.0 chosen.");
Utility.PopColor();
return;
}
@ -262,10 +262,9 @@ namespace Server
if (input.InsensitiveStartsWith("y"))
{
SetSetting("maps.enablePre6000Trammel", true.ToString());
SetSetting("maps.enableMapDiffPatches", true.ToString());
Utility.PushColor(ConsoleColor.Yellow);
Console.WriteLine("Old Haven chosen with map diffs.");
Console.WriteLine("Client <= 5.0.9.1 chosen.");
Utility.PopColor();
return;
}

9
Projects/Server/Maps/MapLoader.cs
View file

@ -47,9 +47,6 @@ namespace Server
[CallPriority(2)]
public static void Configure()
{
// Set to true to support < 6.0.0 clients where map0.mul is both Felucca & Trammel
var pre6000Trammel = ServerConfiguration.GetOrUpdateSetting("maps.enablePre6000Trammel", false);
var failures = new List<string>();
var count = 0;
@ -66,12 +63,6 @@ namespace Server
foreach (var def in maps)
{
if (def.Id == 1 && pre6000Trammel)
{
// Use Old Haven by changing file index to Felucca
def.FileIndex = 0;
}
try
{
RegisterMap(def);

85
Projects/Server/NativeReader.cs
View file

@ -11,25 +11,15 @@ namespace Server
static NativeReader() => m_NativeReader = Core.Unix ? new NativeReaderUnix() : new NativeReaderWin32();
public static unsafe int Read(FileStream source, void* buffer, int length) =>
m_NativeReader.Read(source, buffer, length);
public static unsafe int Read(FileStream source, void* buffer, int length) => Read(source, buffer, 0, length);
public static unsafe int Read(FileStream source, void* buffer, int bufferIndex, int length) =>
m_NativeReader.Read(source, buffer, bufferIndex, length);
public static unsafe int Read(FileStream source, int sourceIndex, void* buffer, int length) =>
m_NativeReader.Read(source, sourceIndex, buffer, length);
public static unsafe int Read(FileStream source, int sourceIndex, void* buffer, int bufferIndex, int length) =>
m_NativeReader.Read(source, sourceIndex, buffer, bufferIndex, length);
}
public interface INativeReader
{
unsafe int Read(FileStream source, void* buffer, int length);
unsafe int Read(FileStream source, void* buffer, int bufferIndex, int length);
unsafe int Read(FileStream source, int sourceIndex, void* buffer, int length);
unsafe int Read(FileStream source, int sourceIndex, void* buffer, int bufferIndex, int length);
}
public sealed class NativeReaderWin32 : INativeReader
@ -40,45 +30,18 @@ namespace Server
internal static extern unsafe bool ReadFile(IntPtr hFile, void* lpBuffer, uint nNumberOfBytesToRead, ref uint lpNumberOfBytesRead, NativeOverlapped* lpOverlapped);
}
public unsafe int Read(FileStream source, void* buffer, int length) => InternalRead(source, buffer, 0, length);
public unsafe int Read(FileStream source, void* buffer, int bufferIndex, int length) => InternalRead(source, buffer, bufferIndex, length);
public unsafe int Read(FileStream source, int sourceIndex, void* buffer, int length)
{
if (source.Seek(sourceIndex, SeekOrigin.Begin) == sourceIndex)
{
return InternalRead(source, buffer, 0, length);
}
return -1;
}
public unsafe int Read(FileStream source, int sourceIndex, void* buffer, int bufferIndex, int length)
{
if (source.Seek(sourceIndex, SeekOrigin.Begin) == sourceIndex)
{
return InternalRead(source, buffer, bufferIndex, length);
}
return -1;
}
internal unsafe int InternalRead(FileStream source, void* buffer, int bufferIndex, int length)
internal static unsafe int InternalRead(FileStream source, void* buffer, int bufferIndex, int length)
{
var byteCount = 0U;
if (!UnsafeNativeMethods.ReadFile(source.SafeFileHandle!.DangerousGetHandle(), (byte*)buffer + bufferIndex, (uint)length, ref byteCount, null))
if (UnsafeNativeMethods.ReadFile(source.SafeFileHandle!.DangerousGetHandle(), (byte*)buffer + bufferIndex, (uint)length, ref byteCount, null))
{
return -1;
return (int)byteCount;
}
if (byteCount > 0)
{
source.Seek(byteCount, SeekOrigin.Current);
}
return (int)byteCount;
return -1;
}
}
@ -90,40 +53,10 @@ namespace Server
internal static extern unsafe int read(IntPtr ptr, void* buffer, int length);
}
public unsafe int Read(FileStream source, void* buffer, int length) => InternalRead(source, buffer, 0, length);
public unsafe int Read(FileStream source, void* buffer, int bufferIndex, int length) =>
InternalRead(source, buffer, bufferIndex, length);
public unsafe int Read(FileStream source, void* buffer, int bufferIndex, int length) => InternalRead(source, buffer, bufferIndex, length);
public unsafe int Read(FileStream source, int sourceIndex, void* buffer, int length)
{
if (source.Seek(sourceIndex, SeekOrigin.Begin) == sourceIndex)
{
return InternalRead(source, buffer, 0, length);
}
return -1;
}
public unsafe int Read(FileStream source, int sourceIndex, void* buffer, int bufferIndex, int length)
{
if (source.Seek(sourceIndex, SeekOrigin.Begin) == sourceIndex)
{
return InternalRead(source, buffer, bufferIndex, length);
}
return -1;
}
internal unsafe int InternalRead(FileStream source, void* buffer, int bufferIndex, int length)
{
var byteCount = UnsafeNativeMethods.read(source.Handle, (byte*)buffer + bufferIndex, length);
if (byteCount > 0)
{
source.Seek(byteCount, SeekOrigin.Current);
}
return byteCount;
}
internal unsafe int InternalRead(FileStream source, void* buffer, int bufferIndex, int length) =>
UnsafeNativeMethods.read(source.SafeFileHandle.DangerousGetHandle(), (byte*)buffer + bufferIndex, length);
}
}

65
Projects/Server/Network/Packets/OutgoingMapPackets.cs
View file

@ -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)]

2
Projects/Server/TileData.cs
View file

@ -262,7 +262,7 @@ namespace Server
Load();
}
private unsafe static void Load()
private static unsafe void Load()
{
var filePath = Core.FindDataFile("tiledata.mul");

20
Projects/Server/TileMatrix/TileMatrix.cs
View file

@ -31,6 +31,14 @@ namespace Server
public FileStream DataStream { get; }
public BinaryReader IndexReader { get; }
private static bool Pre6000ClientSupport;
public static void Configure()
{
// Set to true to support < 6.0.0 clients where map0.mul is both Felucca & Trammel
Pre6000ClientSupport = ServerConfiguration.GetOrUpdateSetting("maps.enablePre6000Trammel", false);
}
public TileMatrix(Map owner, int fileIndex, int mapID, int width, int height)
{
lock (_instances)
@ -63,11 +71,13 @@ namespace Server
if (fileIndex != 0x7F)
{
fileIndex = Pre6000ClientSupport && mapID == 1 ? 0 : fileIndex;
var mapPath = Core.FindDataFile($"map{fileIndex}.mul", false);
if (mapPath != null)
{
MapStream = new FileStream(mapPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
MapStream = new FileStream(mapPath, FileMode.Open, FileAccess.Read, FileShare.Read);
}
else
{
@ -75,7 +85,7 @@ namespace Server
if (mapPath != null)
{
MapStream = new FileStream(mapPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
MapStream = new FileStream(mapPath, FileMode.Open, FileAccess.Read, FileShare.Read);
_mapIndex = new UOPIndex(MapStream);
}
else
@ -88,7 +98,7 @@ namespace Server
if (indexPath != null)
{
IndexStream = new FileStream(indexPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
IndexStream = new FileStream(indexPath, FileMode.Open, FileAccess.Read, FileShare.Read);
IndexReader = new BinaryReader(IndexStream);
}
else
@ -100,7 +110,7 @@ namespace Server
if (staticsPath != null)
{
DataStream = new FileStream(staticsPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
DataStream = new FileStream(staticsPath, FileMode.Open, FileAccess.Read, FileShare.Read);
}
else
{
@ -483,7 +493,7 @@ namespace Server
public int Height => 0;
public bool Ignored => m_ID == 2 || m_ID == 0x1DB || m_ID >= 0x1AE && m_ID <= 0x1B5;
public bool Ignored => m_ID is 2 or 0x1DB or >= 0x1AE and <= 0x1B5;
public LandTile(short id, sbyte z)
{

15
Projects/Server/TileMatrix/TileMatrixPatch.cs
View file

@ -1,3 +1,4 @@
using System;
using System.IO;
using System.Runtime.CompilerServices;
@ -41,9 +42,8 @@ namespace Server
public static void Configure()
{
// Using this requires the old mapDif files to be present. Only needed to support Clients < 6.0.0.0
PatchLandEnabled = ServerConfiguration.GetOrUpdateSetting("maps.enableMapDiffPatches", false);
PatchStaticsEnabled = ServerConfiguration.GetOrUpdateSetting("maps.enableStaticsDiffPatches", false);
PatchLandEnabled = ServerConfiguration.GetOrUpdateSetting("maps.enableMapDiffPatches", !Core.HS);
PatchStaticsEnabled = ServerConfiguration.GetOrUpdateSetting("maps.enableStaticsDiffPatches", true);
}
[MethodImpl(MethodImplOptions.Synchronized)]
@ -51,15 +51,14 @@ namespace Server
{
using var fsData = new FileStream(dataPath, FileMode.Open, FileAccess.Read, FileShare.Read);
using var fsIndex = new FileStream(indexPath, FileMode.Open, FileAccess.Read, FileShare.Read);
var indexReader = new BinaryReader(fsIndex);
using var indexReader = new BinaryReader(fsIndex);
var count = (int)(indexReader.BaseStream.Length / 4);
for (var i = 0; i < count; ++i)
for (var i = 0; i < count; i++)
{
var blockID = indexReader.ReadInt32();
var x = blockID / matrix.BlockHeight;
var y = blockID % matrix.BlockHeight;
var x = Math.DivRem(blockID, matrix.BlockHeight, out var y);
fsData.Seek(4, SeekOrigin.Current);
@ -73,8 +72,6 @@ namespace Server
matrix.SetLandBlock(x, y, tiles);
}
indexReader.Close();
return count;
}