fix: Fixes thread guard and cleans up incoming packet reader (#1641)

### Summary
* Fixes syntax compile error when THREADGUARD is enabled.
* Removes `int packetLength` from incoming packet handles since they aren't needed.

### Developer Notes
Incoming packet handler `SpanReader` is now properly scoped to that packet by length.
This commit is contained in:
Kamron Batman 2023-12-19 17:04:09 -08:00 • committed by GitHub
parent 25a75fdf24
commit 7d9bc9ff0a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
31 changed files with 190 additions and 157 deletions

View file

@ -469,7 +469,9 @@ public partial class NetState : IComparable<NetState>, IValueLinkListNode<NetSta
Console.WriteLine("Attempting to get pipe buffer from wrong thread!"); Console.WriteLine("Attempting to get pipe buffer from wrong thread!");
Console.WriteLine(new StackTrace()); Console.WriteLine(new StackTrace());
Utility.PopColor(); Utility.PopColor();
return;
buffer = Array.Empty<byte>();
return false;
} }
#endif #endif
buffer = SendPipe.Writer.AvailableToWrite(); buffer = SendPipe.Writer.AvailableToWrite();
@ -842,12 +844,16 @@ public partial class NetState : IComparable<NetState>, IValueLinkListNode<NetSta
UpdatePacketCount(packetId); UpdatePacketCount(packetId);
var packetBuffer = packetReader.Buffer[..packetLength];
if (PacketLogging) if (PacketLogging)
{ {
LogPacket(packetReader.Buffer[..packetLength], true); LogPacket(packetBuffer, true);
} }
handler.OnReceive(this, packetReader, packetLength); // Make a new SpanReader that is limited to the length of the packet.
// This allows us to use reader.Remaining for VendorBuyReply packet
handler.OnReceive(this, new SpanReader(packetBuffer));
prof?.Finish(packetLength); prof?.Finish(packetLength);

View file

@ -21,7 +21,7 @@ public unsafe class PacketHandler
{ {
private readonly int _length; private readonly int _length;
public PacketHandler(int packetID, int length, bool ingame, delegate*<NetState, SpanReader, int, void> onReceive) public PacketHandler(int packetID, int length, bool ingame, delegate*<NetState, SpanReader, void> onReceive)
{ {
_length = length; _length = length;
PacketID = packetID; PacketID = packetID;
@ -33,7 +33,7 @@ public unsafe class PacketHandler
public virtual int GetLength(NetState ns) => _length; public virtual int GetLength(NetState ns) => _length;
public delegate*<NetState, SpanReader, int, void> OnReceive { get; } public delegate*<NetState, SpanReader, void> OnReceive { get; }
public delegate*<int, NetState, out bool, bool> ThrottleCallback { get; set; } public delegate*<int, NetState, out bool, bool> ThrottleCallback { get; set; }

View file

@ -26,7 +26,7 @@ public static class IncomingPackets
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
public static unsafe void Register(int packetID, int length, bool ingame, public static unsafe void Register(int packetID, int length, bool ingame,
delegate*<NetState, SpanReader, int, void> onReceive) => delegate*<NetState, SpanReader, void> onReceive) =>
Register(new PacketHandler(packetID, length, ingame, onReceive)); Register(new PacketHandler(packetID, length, ingame, onReceive));
public static void Register(PacketHandler packetHandler) public static void Register(PacketHandler packetHandler)

View file

@ -76,7 +76,7 @@ public static class AssistantHandler
_handshakes[m] = Timer.DelayCall(TimeSpan.FromSeconds(30), OnTimeout, m); _handshakes[m] = Timer.DelayCall(TimeSpan.FromSeconds(30), OnTimeout, m);
} }
public static void AssistVersion(NetState state, SpanReader reader, int packetLength) public static void AssistVersion(NetState state, SpanReader reader)
{ {
// We are not supporting the old UOAssist protocol // We are not supporting the old UOAssist protocol
// var assistVersion = reader.ReadInt32(); // var assistVersion = reader.ReadInt32();
@ -87,7 +87,7 @@ public static class AssistantHandler
state.Assistant = assistVersion.ContainsOrdinal(' ') ? assistVersion : $"RazorCE {assistVersion}"; state.Assistant = assistVersion.ContainsOrdinal(' ') ? assistVersion : $"RazorCE {assistVersion}";
} }
private static void HandshakeResponse(NetState state, SpanReader reader, int packetLength) private static void HandshakeResponse(NetState state, SpanReader reader)
{ {
Mobile m = state.Mobile; Mobile m = state.Mobile;

View file

@ -12,7 +12,7 @@ public static class AssistantProtocol
_handlers = ProtocolExtensions<AssistantsProtocolInfo>.Register(new AssistantsProtocolInfo()); _handlers = ProtocolExtensions<AssistantsProtocolInfo>.Register(new AssistantsProtocolInfo());
} }
public static unsafe void Register(int cmd, bool ingame, delegate*<NetState, SpanReader, int, void> onReceive) => public static unsafe void Register(int cmd, bool ingame, delegate*<NetState, SpanReader, void> onReceive) =>
_handlers[cmd] = new PacketHandler(cmd, 0, ingame, onReceive); _handlers[cmd] = new PacketHandler(cmd, 0, ingame, onReceive);
private struct AssistantsProtocolInfo : IProtocolExtensionsInfo private struct AssistantsProtocolInfo : IProtocolExtensionsInfo

View file

@ -27,7 +27,7 @@ namespace Server.Engines.Chat
IncomingPackets.Register(0xB3, 0, true, &ChatAction); IncomingPackets.Register(0xB3, 0, true, &ChatAction);
} }
public static void OpenChatWindowRequest(NetState state, SpanReader reader, int packetLength) public static void OpenChatWindowRequest(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -48,7 +48,7 @@ namespace Server.Engines.Chat
ChatUser.AddChatUser(from, chatName); ChatUser.AddChatUser(from, chatName);
} }
public static void ChatAction(NetState state, SpanReader reader, int packetLength) public static void ChatAction(NetState state, SpanReader reader)
{ {
if (!ChatSystem.Enabled) if (!ChatSystem.Enabled)
{ {

View file

@ -196,7 +196,7 @@ namespace Server.Engines.MLQuests.Gumps
return false; return false;
} }
private static void RaceChangeReply(NetState state, SpanReader reader, int packetLength) private static void RaceChangeReply(NetState state, SpanReader reader)
{ {
if (!m_Pending.TryGetValue(state, out var raceChangeState)) if (!m_Pending.TryGetValue(state, out var raceChangeState))
{ {

View file

@ -10,7 +10,7 @@ namespace Server.Engines.UltimaStore
IncomingPackets.Register(0xFA, 1, true, &UltimaStoreOpenRequest); IncomingPackets.Register(0xFA, 1, true, &UltimaStoreOpenRequest);
} }
public static void UltimaStoreOpenRequest(NetState state, SpanReader reader, int packetLength) public static void UltimaStoreOpenRequest(NetState state, SpanReader reader)
{ {
state.Mobile.SendMessage("Ultima Store is not currently available."); state.Mobile.SendMessage("Ultima Store is not currently available.");
} }

View file

@ -29,7 +29,7 @@ namespace Server.Items
IncomingPackets.Register(0x93, 99, true, &OldHeaderChange); IncomingPackets.Register(0x93, 99, true, &OldHeaderChange);
} }
public static void OldHeaderChange(NetState state, SpanReader reader, int packetLength) public static void OldHeaderChange(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -48,7 +48,7 @@ namespace Server.Items
book.Author = Utility.FixHtml(author); book.Author = Utility.FixHtml(author);
} }
public static void HeaderChange(NetState state, SpanReader reader, int packetLength) public static void HeaderChange(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -84,7 +84,7 @@ namespace Server.Items
book.Author = Utility.FixHtml(author); book.Author = Utility.FixHtml(author);
} }
public static void ContentChange(NetState state, SpanReader reader, int packetLength) public static void ContentChange(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;

View file

@ -47,7 +47,7 @@ namespace Server.Network
return $"{seconds} second{(seconds == 1 ? "" : "s")}"; return $"{seconds} second{(seconds == 1 ? "" : "s")}";
} }
public static void BBClientRequest(NetState state, SpanReader reader, int packetLength) public static void BBClientRequest(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;

View file

@ -61,7 +61,7 @@ namespace Server.Engines.Mahjong
RegisterSubCommand(0x18, MoveDealerIndicator); RegisterSubCommand(0x18, MoveDealerIndicator);
} }
public static void OnPacket(NetState state, SpanReader reader, int packetLength) public static void OnPacket(NetState state, SpanReader reader)
{ {
var game = World.FindItem((Serial)reader.ReadUInt32()) as MahjongGame; var game = World.FindItem((Serial)reader.ReadUInt32()) as MahjongGame;

View file

@ -25,7 +25,7 @@ namespace Server.Network
IncomingPackets.Register(0x56, 11, true, &OnMapCommand); IncomingPackets.Register(0x56, 11, true, &OnMapCommand);
} }
private static void OnMapCommand(NetState state, SpanReader reader, int packetLength) private static void OnMapCommand(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;

View file

@ -139,7 +139,7 @@ namespace Server
} }
} }
public static void OnReceive(NetState state, SpanReader reader, int packetLength) public static void OnReceive(NetState state, SpanReader reader)
{ {
reader.ReadByte(); // 1: <4.0.1a, 2>=4.0.1a reader.ReadByte(); // 1: <4.0.1a, 2>=4.0.1a

View file

@ -1812,7 +1812,7 @@ namespace Server.Multis
context.Foundation.SendInfoTo(state); context.Foundation.SendInfoTo(state);
} }
public static void QueryDesignDetails(NetState state, SpanReader reader, int packetLength) public static void QueryDesignDetails(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;

View file

@ -20,7 +20,7 @@ namespace Server.Network;
public unsafe class ContainerGridPacketHandler : PacketHandler public unsafe class ContainerGridPacketHandler : PacketHandler
{ {
public ContainerGridPacketHandler(int packetID, int length, bool ingame, public ContainerGridPacketHandler(int packetID, int length, bool ingame,
delegate*<NetState, SpanReader, int, void> onReceive) delegate*<NetState, SpanReader, void> onReceive)
: base(packetID, length, ingame, onReceive) : base(packetID, length, ingame, onReceive)
{ {
} }

View file

@ -27,7 +27,7 @@ namespace Server.Network
_handlers = ProtocolExtensions<FreeshardProtocolInfo>.Register(new FreeshardProtocolInfo()); _handlers = ProtocolExtensions<FreeshardProtocolInfo>.Register(new FreeshardProtocolInfo());
} }
public static unsafe void Register(int cmd, bool ingame, delegate*<NetState, SpanReader, int, void> onReceive) => public static unsafe void Register(int cmd, bool ingame, delegate*<NetState, SpanReader, void> onReceive) =>
_handlers[cmd] = new PacketHandler(cmd, 0, ingame, onReceive); _handlers[cmd] = new PacketHandler(cmd, 0, ingame, onReceive);
private struct FreeshardProtocolInfo : IProtocolExtensionsInfo private struct FreeshardProtocolInfo : IProtocolExtensionsInfo

View file

@ -29,14 +29,14 @@ public static class MapUO
AssistantProtocol.Register(0x01, true, &QueryGuildMemberLocations); AssistantProtocol.Register(0x01, true, &QueryGuildMemberLocations);
} }
public static void QueryGuildMemberLocations(NetState state, SpanReader reader, int packetLength) public static void QueryGuildMemberLocations(NetState state, SpanReader reader)
{ {
Mobile from = state.Mobile; Mobile from = state.Mobile;
state.SendGuildMemberLocations(from, from.Guild as Guild, reader.ReadBoolean()); state.SendGuildMemberLocations(from, from.Guild as Guild, reader.ReadBoolean());
} }
public static void QueryPartyMemberLocations(NetState state, SpanReader reader, int packetLength) public static void QueryPartyMemberLocations(NetState state, SpanReader reader)
{ {
Mobile from = state.Mobile; Mobile from = state.Mobile;
var party = Party.Get(from); var party = Party.Get(from);

View file

@ -55,7 +55,7 @@ public static class IncomingAccountPackets
IncomingPackets.Register(0xF8, 106, false, &CreateCharacter); IncomingPackets.Register(0xF8, 106, false, &CreateCharacter);
} }
public static void CreateCharacter(NetState state, SpanReader reader, int packetLength) public static void CreateCharacter(NetState state, SpanReader reader)
{ {
reader.Seek(9, SeekOrigin.Current); reader.Seek(9, SeekOrigin.Current);
/* /*
@ -185,7 +185,7 @@ public static class IncomingAccountPackets
} }
} }
public static void DeleteCharacter(NetState state, SpanReader reader, int packetLength) public static void DeleteCharacter(NetState state, SpanReader reader)
{ {
reader.Seek(30, SeekOrigin.Current); reader.Seek(30, SeekOrigin.Current);
var index = reader.ReadInt32(); var index = reader.ReadInt32();
@ -193,18 +193,18 @@ public static class IncomingAccountPackets
EventSink.InvokeDeleteRequest(state, index); EventSink.InvokeDeleteRequest(state, index);
} }
public static void AccountID(NetState state, SpanReader reader, int packetLength) public static void AccountID(NetState state, SpanReader reader)
{ {
} }
public static void ClientVersion(NetState state, SpanReader reader, int packetLength) public static void ClientVersion(NetState state, SpanReader reader)
{ {
var version = state.Version = new CV(reader.ReadAscii()); var version = state.Version = new CV(reader.ReadAscii());
EventSink.InvokeClientVersionReceived(state, version); EventSink.InvokeClientVersionReceived(state, version);
} }
public static void ClientType(NetState state, SpanReader reader, int packetLength) public static void ClientType(NetState state, SpanReader reader)
{ {
reader.ReadUInt16(); reader.ReadUInt16();
@ -214,7 +214,7 @@ public static class IncomingAccountPackets
EventSink.InvokeClientVersionReceived(state, version); EventSink.InvokeClientVersionReceived(state, version);
} }
public static void PlayCharacter(NetState state, SpanReader reader, int packetLength) public static void PlayCharacter(NetState state, SpanReader reader)
{ {
reader.Seek(36, SeekOrigin.Current); // 4 = 0xEDEDEDED, 30 = Name, 2 = unknown reader.Seek(36, SeekOrigin.Current); // 4 = 0xEDEDEDED, 30 = Name, 2 = unknown
var flags = reader.ReadInt32(); var flags = reader.ReadInt32();
@ -346,7 +346,7 @@ public static class IncomingAccountPackets
return authID; return authID;
} }
public static void GameLogin(NetState state, SpanReader reader, int packetLength) public static void GameLogin(NetState state, SpanReader reader)
{ {
// TODO: Connection throttling // TODO: Connection throttling
@ -400,7 +400,7 @@ public static class IncomingAccountPackets
} }
} }
public static void PlayServer(NetState state, SpanReader reader, int packetLength) public static void PlayServer(NetState state, SpanReader reader)
{ {
int index = reader.ReadInt16(); int index = reader.ReadInt16();
var info = state.ServerInfo; var info = state.ServerInfo;
@ -421,7 +421,7 @@ public static class IncomingAccountPackets
} }
} }
public static void LoginServerSeed(NetState state, SpanReader reader, int packetLength) public static void LoginServerSeed(NetState state, SpanReader reader)
{ {
state.Seed = reader.ReadInt32(); state.Seed = reader.ReadInt32();
state.Seeded = true; state.Seeded = true;
@ -441,7 +441,7 @@ public static class IncomingAccountPackets
state.Version = new ClientVersion(clientMaj, clientMin, clientRev, clientPat); state.Version = new ClientVersion(clientMaj, clientMin, clientRev, clientPat);
} }
public static void AccountLogin(NetState state, SpanReader reader, int packetLength) public static void AccountLogin(NetState state, SpanReader reader)
{ {
// TODO: Throttle Connection // TODO: Throttle Connection

View file

@ -29,7 +29,7 @@ public static class IncomingEntityPackets
IncomingPackets.Register(0xD6, 0, true, &BatchQueryProperties); IncomingPackets.Register(0xD6, 0, true, &BatchQueryProperties);
} }
public static void ObjectHelpRequest(NetState state, SpanReader reader, int packetLength) public static void ObjectHelpRequest(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -58,7 +58,7 @@ public static class IncomingEntityPackets
} }
} }
public static void UseReq(NetState state, SpanReader reader, int packetLength) public static void UseReq(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -102,7 +102,7 @@ public static class IncomingEntityPackets
} }
} }
public static void LookReq(NetState state, SpanReader reader, int packetLength) public static void LookReq(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -151,7 +151,7 @@ public static class IncomingEntityPackets
} }
} }
public static void BatchQueryProperties(NetState state, SpanReader reader, int packetLength) public static void BatchQueryProperties(NetState state, SpanReader reader)
{ {
if (!ObjectPropertyList.Enabled) if (!ObjectPropertyList.Enabled)
{ {

View file

@ -23,7 +23,7 @@ public static class IncomingExtendedCommandPackets
private static readonly PacketHandler[] _extendedHandlers = new PacketHandler[0x100]; private static readonly PacketHandler[] _extendedHandlers = new PacketHandler[0x100];
// TODO: Change to outside configuration // TODO: Change to outside configuration
public static int[] ValidAnimations { get; set; } = public static int[] ValidAnimations { get; } =
{ {
6, 21, 32, 33, 6, 21, 32, 33,
100, 101, 102, 103, 100, 101, 102, 103,
@ -60,16 +60,16 @@ public static class IncomingExtendedCommandPackets
RegisterExtended(0x32, true, &ToggleFlying); RegisterExtended(0x32, true, &ToggleFlying);
} }
private static void UnhandledBF(NetState state, SpanReader reader, int packetLength) private static void UnhandledBF(NetState state, SpanReader reader)
{ {
} }
public static void Empty(NetState state, SpanReader reader, int packetLength) public static void Empty(NetState state, SpanReader reader)
{ {
} }
public static unsafe void RegisterExtended(int packetID, bool ingame, public static unsafe void RegisterExtended(int packetID, bool ingame,
delegate*<NetState, SpanReader, int, void> onReceive) delegate*<NetState, SpanReader, void> onReceive)
{ {
if (packetID is >= 0 and < 0x100) if (packetID is >= 0 and < 0x100)
{ {
@ -88,7 +88,7 @@ public static class IncomingExtendedCommandPackets
} }
} }
public static unsafe void ExtendedCommand(NetState state, SpanReader reader, int packetLength) public static unsafe void ExtendedCommand(NetState state, SpanReader reader)
{ {
int packetId = reader.ReadUInt16(); int packetId = reader.ReadUInt16();
@ -113,17 +113,17 @@ public static class IncomingExtendedCommandPackets
} }
else else
{ {
ph.OnReceive(state, reader, packetLength); ph.OnReceive(state, reader);
} }
} }
public static void ScreenSize(NetState state, SpanReader reader, int packetLength) public static void ScreenSize(NetState state, SpanReader reader)
{ {
var width = reader.ReadInt32(); var width = reader.ReadInt32();
var unk = reader.ReadInt32(); var unk = reader.ReadInt32();
} }
public static void PartyMessage(NetState state, SpanReader reader, int packetLength) public static void PartyMessage(NetState state, SpanReader reader)
{ {
if (state.Mobile == null) if (state.Mobile == null)
{ {
@ -133,43 +133,59 @@ public static class IncomingExtendedCommandPackets
switch (reader.ReadByte()) switch (reader.ReadByte())
{ {
case 0x01: case 0x01:
PartyMessage_AddMember(state, reader, packetLength); {
break; PartyMessage_AddMember(state, reader);
break;
}
case 0x02: case 0x02:
PartyMessage_RemoveMember(state, reader, packetLength); {
break; PartyMessage_RemoveMember(state, reader);
break;
}
case 0x03: case 0x03:
PartyMessage_PrivateMessage(state, reader, packetLength); {
break; PartyMessage_PrivateMessage(state, reader);
break;
}
case 0x04: case 0x04:
PartyMessage_PublicMessage(state, reader, packetLength); {
break; PartyMessage_PublicMessage(state, reader);
break;
}
case 0x06: case 0x06:
PartyMessage_SetCanLoot(state, reader, packetLength); {
break; PartyMessage_SetCanLoot(state, reader);
break;
}
case 0x08: case 0x08:
PartyMessage_Accept(state, reader, packetLength); {
break; PartyMessage_Accept(state, reader);
break;
}
case 0x09: case 0x09:
PartyMessage_Decline(state, reader, packetLength); {
break; PartyMessage_Decline(state, reader);
break;
}
default: default:
state.Trace(reader.Buffer); {
break; state.Trace(reader.Buffer);
break;
}
} }
} }
public static void PartyMessage_AddMember(NetState state, SpanReader reader, int packetLength) public static void PartyMessage_AddMember(NetState state, SpanReader reader)
{ {
PartyCommands.Handler?.OnAdd(state.Mobile); PartyCommands.Handler?.OnAdd(state.Mobile);
} }
public static void PartyMessage_RemoveMember(NetState state, SpanReader reader, int packetLength) public static void PartyMessage_RemoveMember(NetState state, SpanReader reader)
{ {
PartyCommands.Handler?.OnRemove(state.Mobile, World.FindMobile((Serial)reader.ReadUInt32())); PartyCommands.Handler?.OnRemove(state.Mobile, World.FindMobile((Serial)reader.ReadUInt32()));
} }
public static void PartyMessage_PrivateMessage(NetState state, SpanReader reader, int packetLength) public static void PartyMessage_PrivateMessage(NetState state, SpanReader reader)
{ {
PartyCommands.Handler?.OnPrivateMessage( PartyCommands.Handler?.OnPrivateMessage(
state.Mobile, state.Mobile,
@ -178,27 +194,27 @@ public static class IncomingExtendedCommandPackets
); );
} }
public static void PartyMessage_PublicMessage(NetState state, SpanReader reader, int packetLength) public static void PartyMessage_PublicMessage(NetState state, SpanReader reader)
{ {
PartyCommands.Handler?.OnPublicMessage(state.Mobile, reader.ReadBigUniSafe()); PartyCommands.Handler?.OnPublicMessage(state.Mobile, reader.ReadBigUniSafe());
} }
public static void PartyMessage_SetCanLoot(NetState state, SpanReader reader, int packetLength) public static void PartyMessage_SetCanLoot(NetState state, SpanReader reader)
{ {
PartyCommands.Handler?.OnSetCanLoot(state.Mobile, reader.ReadBoolean()); PartyCommands.Handler?.OnSetCanLoot(state.Mobile, reader.ReadBoolean());
} }
public static void PartyMessage_Accept(NetState state, SpanReader reader, int packetLength) public static void PartyMessage_Accept(NetState state, SpanReader reader)
{ {
PartyCommands.Handler?.OnAccept(state.Mobile, World.FindMobile((Serial)reader.ReadUInt32())); PartyCommands.Handler?.OnAccept(state.Mobile, World.FindMobile((Serial)reader.ReadUInt32()));
} }
public static void PartyMessage_Decline(NetState state, SpanReader reader, int packetLength) public static void PartyMessage_Decline(NetState state, SpanReader reader)
{ {
PartyCommands.Handler?.OnDecline(state.Mobile, World.FindMobile((Serial)reader.ReadUInt32())); PartyCommands.Handler?.OnDecline(state.Mobile, World.FindMobile((Serial)reader.ReadUInt32()));
} }
public static void Animate(NetState state, SpanReader reader, int packetLength) public static void Animate(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -222,7 +238,7 @@ public static class IncomingExtendedCommandPackets
} }
} }
public static void CastSpell(NetState state, SpanReader reader, int packetLength) public static void CastSpell(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -237,12 +253,12 @@ public static class IncomingExtendedCommandPackets
EventSink.InvokeCastSpellRequest(from, spellID, spellbook); EventSink.InvokeCastSpellRequest(from, spellID, spellbook);
} }
public static void ToggleFlying(NetState state, SpanReader reader, int packetLength) public static void ToggleFlying(NetState state, SpanReader reader)
{ {
state.Mobile?.ToggleFlying(); state.Mobile?.ToggleFlying();
} }
public static void StunRequest(NetState state, SpanReader reader, int packetLength) public static void StunRequest(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -254,7 +270,7 @@ public static class IncomingExtendedCommandPackets
EventSink.InvokeStunRequest(from); EventSink.InvokeStunRequest(from);
} }
public static void DisarmRequest(NetState state, SpanReader reader, int packetLength) public static void DisarmRequest(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -266,7 +282,7 @@ public static class IncomingExtendedCommandPackets
EventSink.InvokeDisarmRequest(from); EventSink.InvokeDisarmRequest(from);
} }
public static void StatLockChange(NetState state, SpanReader reader, int packetLength) public static void StatLockChange(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -286,23 +302,29 @@ public static class IncomingExtendedCommandPackets
switch (stat) switch (stat)
{ {
case 0: case 0:
from.StrLock = (StatLockType)lockValue; {
break; from.StrLock = (StatLockType)lockValue;
break;
}
case 1: case 1:
from.DexLock = (StatLockType)lockValue; {
break; from.DexLock = (StatLockType)lockValue;
break;
}
case 2: case 2:
from.IntLock = (StatLockType)lockValue; {
break; from.IntLock = (StatLockType)lockValue;
break;
}
} }
} }
public static void CloseStatus(NetState state, SpanReader reader, int packetLength) public static void CloseStatus(NetState state, SpanReader reader)
{ {
var serial = (Serial)reader.ReadUInt32(); var serial = (Serial)reader.ReadUInt32();
} }
public static void Language(NetState state, SpanReader reader, int packetLength) public static void Language(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -314,7 +336,7 @@ public static class IncomingExtendedCommandPackets
from.Language = reader.ReadAscii(4); from.Language = reader.ReadAscii(4);
} }
public static void QueryProperties(NetState state, SpanReader reader, int packetLength) public static void QueryProperties(NetState state, SpanReader reader)
{ {
if (!ObjectPropertyList.Enabled) if (!ObjectPropertyList.Enabled)
{ {
@ -346,7 +368,7 @@ public static class IncomingExtendedCommandPackets
} }
} }
public static void ContextMenuResponse(NetState state, SpanReader reader, int packetLength) public static void ContextMenuResponse(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -382,7 +404,7 @@ public static class IncomingExtendedCommandPackets
int index = reader.ReadUInt16(); int index = reader.ReadUInt16();
if (index >= 0 && index < menu.Entries.Length) if (index < menu.Entries.Length)
{ {
var e = menu.Entries[index]; var e = menu.Entries[index];
@ -402,42 +424,47 @@ public static class IncomingExtendedCommandPackets
} }
} }
public static void ContextMenuRequest(NetState state, SpanReader reader, int packetLength) public static void ContextMenuRequest(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
var target = World.FindEntity((Serial)reader.ReadUInt32()); var target = World.FindEntity((Serial)reader.ReadUInt32());
if (from != null && target != null && from.Map == target.Map && from.CanSee(target)) if (from == null || target == null || from.Map != target.Map || !from.CanSee(target))
{ {
var item = target as Item; return;
}
var checkLocation = item?.GetWorldLocation() ?? target.Location; var item = target as Item;
if (!(Utility.InUpdateRange(from.Location, checkLocation) && from.CheckContextMenuDisplay(target)))
var checkLocation = item?.GetWorldLocation() ?? target.Location;
if (!(Utility.InUpdateRange(from.Location, checkLocation) && from.CheckContextMenuDisplay(target)))
{
return;
}
var c = new ContextMenu(from, target);
if (c.Entries.Length <= 0)
{
return;
}
if (item?.RootParent is Mobile mobile && mobile != from && mobile.AccessLevel >= from.AccessLevel)
{
for (var i = 0; i < c.Entries.Length; ++i)
{ {
return; var entry = c.Entries[i];
} if (!entry.NonLocalUse)
var c = new ContextMenu(from, target);
if (c.Entries.Length > 0)
{
if (item?.RootParent is Mobile mobile && mobile != from && mobile.AccessLevel >= from.AccessLevel)
{ {
for (var i = 0; i < c.Entries.Length; ++i) entry.Enabled = false;
{
if (!c.Entries[i].NonLocalUse)
{
c.Entries[i].Enabled = false;
}
}
} }
from.ContextMenu = c;
} }
} }
from.ContextMenu = c;
} }
public static void BandageTarget(NetState state, SpanReader reader, int packetLength) public static void BandageTarget(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -472,21 +499,21 @@ public static class IncomingExtendedCommandPackets
} }
} }
public static void TargetedSpell(NetState state, SpanReader reader, int packetLength) public static void TargetedSpell(NetState state, SpanReader reader)
{ {
var spellId = (short)(reader.ReadInt16() - 1); // zero based; var spellId = (short)(reader.ReadInt16() - 1); // zero based;
EventSink.InvokeTargetedSpell(state.Mobile, World.FindEntity((Serial)reader.ReadUInt32()), spellId); EventSink.InvokeTargetedSpell(state.Mobile, World.FindEntity((Serial)reader.ReadUInt32()), spellId);
} }
public static void TargetedSkillUse(NetState state, SpanReader reader, int packetLength) public static void TargetedSkillUse(NetState state, SpanReader reader)
{ {
var skillId = reader.ReadInt16(); var skillId = reader.ReadInt16();
EventSink.InvokeTargetedSkillUse(state.Mobile, World.FindEntity((Serial)reader.ReadUInt32()), skillId); EventSink.InvokeTargetedSkillUse(state.Mobile, World.FindEntity((Serial)reader.ReadUInt32()), skillId);
} }
public static void TargetByResourceMacro(NetState state, SpanReader reader, int packetLength) public static void TargetByResourceMacro(NetState state, SpanReader reader)
{ {
var serial = (Serial)reader.ReadUInt32(); var serial = (Serial)reader.ReadUInt32();

View file

@ -24,7 +24,7 @@ public static class IncomingHousePackets
IncomingPackets.Register(0xFB, 2, false, &ShowPublicHouseContent); IncomingPackets.Register(0xFB, 2, false, &ShowPublicHouseContent);
} }
public static void ShowPublicHouseContent(NetState state, SpanReader reader, int packetLength) public static void ShowPublicHouseContent(NetState state, SpanReader reader)
{ {
var showPublicHouseContent = reader.ReadBoolean(); var showPublicHouseContent = reader.ReadBoolean();
} }

View file

@ -31,7 +31,7 @@ public static class IncomingItemPackets
IncomingPackets.Register(0xED, 0, false, &UnequipMacro); IncomingPackets.Register(0xED, 0, false, &UnequipMacro);
} }
public static void LiftReq(NetState state, SpanReader reader, int packetLength) public static void LiftReq(NetState state, SpanReader reader)
{ {
var serial = (Serial)reader.ReadUInt32(); var serial = (Serial)reader.ReadUInt32();
int amount = reader.ReadUInt16(); int amount = reader.ReadUInt16();
@ -40,7 +40,7 @@ public static class IncomingItemPackets
state.Mobile.Lift(item, amount, out _, out _); state.Mobile.Lift(item, amount, out _, out _);
} }
public static void EquipReq(NetState state, SpanReader reader, int packetLength) public static void EquipReq(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
var item = from.Holding; var item = from.Holding;
@ -65,7 +65,7 @@ public static class IncomingItemPackets
item.ClearBounce(); item.ClearBounce();
} }
public static void DropReq(NetState state, SpanReader reader, int packetLength) public static void DropReq(NetState state, SpanReader reader)
{ {
reader.ReadInt32(); // serial, ignored reader.ReadInt32(); // serial, ignored
int x = reader.ReadInt16(); int x = reader.ReadInt16();
@ -108,7 +108,7 @@ public static class IncomingItemPackets
} }
} }
public static void EquipMacro(NetState state, SpanReader reader, int packetLength) public static void EquipMacro(NetState state, SpanReader reader)
{ {
int count = reader.ReadByte(); int count = reader.ReadByte();
var serialList = new List<Serial>(count); var serialList = new List<Serial>(count);
@ -120,7 +120,7 @@ public static class IncomingItemPackets
EventSink.InvokeEquipMacro(state.Mobile, serialList); EventSink.InvokeEquipMacro(state.Mobile, serialList);
} }
public static void UnequipMacro(NetState state, SpanReader reader, int packetLength) public static void UnequipMacro(NetState state, SpanReader reader)
{ {
int count = reader.ReadByte(); int count = reader.ReadByte();
var layers = new List<Layer>(count); var layers = new List<Layer>(count);

View file

@ -28,7 +28,7 @@ public static class IncomingMessagePackets
IncomingPackets.Register(0xAD, 0, true, &UnicodeSpeech); IncomingPackets.Register(0xAD, 0, true, &UnicodeSpeech);
} }
public static void AsciiSpeech(NetState state, SpanReader reader, int packetLength) public static void AsciiSpeech(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -55,7 +55,7 @@ public static class IncomingMessagePackets
from.DoSpeech(text, Array.Empty<int>(), type, Utility.ClipDyedHue(hue)); from.DoSpeech(text, Array.Empty<int>(), type, Utility.ClipDyedHue(hue));
} }
public static void UnicodeSpeech(NetState state, SpanReader reader, int packetLength) public static void UnicodeSpeech(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;

View file

@ -28,7 +28,7 @@ public static class IncomingMobilePackets
IncomingPackets.Register(0x6F, 0, true, &SecureTrade); IncomingPackets.Register(0x6F, 0, true, &SecureTrade);
} }
public static void RenameRequest(NetState state, SpanReader reader, int packetLength) public static void RenameRequest(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
var targ = World.FindMobile((Serial)reader.ReadUInt32()); var targ = World.FindMobile((Serial)reader.ReadUInt32());
@ -39,7 +39,7 @@ public static class IncomingMobilePackets
} }
} }
public static void MobileNameRequest(NetState state, SpanReader reader, int packetLength) public static void MobileNameRequest(NetState state, SpanReader reader)
{ {
var m = World.FindMobile((Serial)reader.ReadUInt32()); var m = World.FindMobile((Serial)reader.ReadUInt32());
@ -49,7 +49,7 @@ public static class IncomingMobilePackets
} }
} }
public static void ProfileReq(NetState state, SpanReader reader, int packetLength) public static void ProfileReq(NetState state, SpanReader reader)
{ {
int type = reader.ReadByte(); int type = reader.ReadByte();
var serial = (Serial)reader.ReadUInt32(); var serial = (Serial)reader.ReadUInt32();
@ -89,7 +89,7 @@ public static class IncomingMobilePackets
} }
} }
public static void SecureTrade(NetState state, SpanReader reader, int packetLength) public static void SecureTrade(NetState state, SpanReader reader)
{ {
switch (reader.ReadByte()) switch (reader.ReadByte())
{ {

View file

@ -80,7 +80,7 @@ public static class IncomingMovementPackets
ns.SendTimeSyncResponse(); ns.SendTimeSyncResponse();
} }
public static void MovementReq(NetState state, SpanReader reader, int packetLength) public static void MovementReq(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;

View file

@ -55,18 +55,18 @@ public static class IncomingPlayerPackets
IncomingPackets.RegisterEncoded(0x32, true, &QuestGumpRequest); IncomingPackets.RegisterEncoded(0x32, true, &QuestGumpRequest);
} }
public static void DeathStatusResponse(NetState state, SpanReader reader, int packetLength) public static void DeathStatusResponse(NetState state, SpanReader reader)
{ {
// Ignored // Ignored
} }
public static void RequestScrollWindow(NetState state, SpanReader reader, int packetLength) public static void RequestScrollWindow(NetState state, SpanReader reader)
{ {
int lastTip = reader.ReadInt16(); int lastTip = reader.ReadInt16();
int type = reader.ReadByte(); int type = reader.ReadByte();
} }
public static void AttackReq(NetState state, SpanReader reader, int packetLength) public static void AttackReq(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -83,7 +83,7 @@ public static class IncomingPlayerPackets
} }
} }
public static void HuePickerResponse(NetState state, SpanReader reader, int packetLength) public static void HuePickerResponse(NetState state, SpanReader reader)
{ {
var serial = reader.ReadUInt32(); var serial = reader.ReadUInt32();
_ = reader.ReadInt16(); // Item ID _ = reader.ReadInt16(); // Item ID
@ -100,7 +100,7 @@ public static class IncomingPlayerPackets
} }
} }
public static void SystemInfo(NetState state, SpanReader reader, int packetLength) public static void SystemInfo(NetState state, SpanReader reader)
{ {
int v1 = reader.ReadByte(); int v1 = reader.ReadByte();
int v2 = reader.ReadUInt16(); int v2 = reader.ReadUInt16();
@ -116,7 +116,7 @@ public static class IncomingPlayerPackets
var v8 = reader.ReadInt32(); var v8 = reader.ReadInt32();
} }
public static void TextCommand(NetState state, SpanReader reader, int packetLength) public static void TextCommand(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -211,7 +211,7 @@ public static class IncomingPlayerPackets
} }
} }
public static void AsciiPromptResponse(NetState state, SpanReader reader, int packetLength) public static void AsciiPromptResponse(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -247,7 +247,7 @@ public static class IncomingPlayerPackets
} }
} }
public static void UnicodePromptResponse(NetState state, SpanReader reader, int packetLength) public static void UnicodePromptResponse(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -284,7 +284,7 @@ public static class IncomingPlayerPackets
} }
} }
public static void MenuResponse(NetState state, SpanReader reader, int packetLength) public static void MenuResponse(NetState state, SpanReader reader)
{ {
var serial = reader.ReadUInt32(); var serial = reader.ReadUInt32();
int menuID = reader.ReadInt16(); // unused in our implementation int menuID = reader.ReadInt16(); // unused in our implementation
@ -314,33 +314,33 @@ public static class IncomingPlayerPackets
} }
} }
public static void Disconnect(NetState state, SpanReader reader, int packetLength) public static void Disconnect(NetState state, SpanReader reader)
{ {
var minusOne = reader.ReadInt32(); var minusOne = reader.ReadInt32();
} }
public static void ConfigurationFile(NetState state, SpanReader reader, int packetLength) public static void ConfigurationFile(NetState state, SpanReader reader)
{ {
} }
public static void LogoutReq(NetState state, SpanReader reader, int packetLength) public static void LogoutReq(NetState state, SpanReader reader)
{ {
state.SendLogoutAck(); state.SendLogoutAck();
} }
public static void ChangeSkillLock(NetState state, SpanReader reader, int packetLength) public static void ChangeSkillLock(NetState state, SpanReader reader)
{ {
var s = state.Mobile.Skills[reader.ReadInt16()]; var s = state.Mobile.Skills[reader.ReadInt16()];
s?.SetLockNoRelay((SkillLock)reader.ReadByte()); s?.SetLockNoRelay((SkillLock)reader.ReadByte());
} }
public static void HelpRequest(NetState state, SpanReader reader, int packetLength) public static void HelpRequest(NetState state, SpanReader reader)
{ {
EventSink.InvokeHelpRequest(state.Mobile); EventSink.InvokeHelpRequest(state.Mobile);
} }
public static void DisplayGumpResponse(NetState state, SpanReader reader, int packetLength) public static void DisplayGumpResponse(NetState state, SpanReader reader)
{ {
var serial = (Serial)reader.ReadUInt32(); var serial = (Serial)reader.ReadUInt32();
var typeID = reader.ReadInt32(); var typeID = reader.ReadInt32();
@ -482,13 +482,13 @@ public static class IncomingPlayerPackets
} }
} }
public static void SetWarMode(NetState state, SpanReader reader, int packetLength) public static void SetWarMode(NetState state, SpanReader reader)
{ {
state.Mobile?.DelayChangeWarmode(reader.ReadBoolean()); state.Mobile?.DelayChangeWarmode(reader.ReadBoolean());
} }
// TODO: Throttle/make this more safe // TODO: Throttle/make this more safe
public static void Resynchronize(NetState state, SpanReader reader, int packetLength) public static void Resynchronize(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
@ -505,17 +505,17 @@ public static class IncomingPlayerPackets
state.Sequence = 0; state.Sequence = 0;
} }
public static void PingReq(NetState state, SpanReader reader, int packetLength) public static void PingReq(NetState state, SpanReader reader)
{ {
state.SendPingAck(reader.ReadByte()); state.SendPingAck(reader.ReadByte());
} }
public static void SetUpdateRange(NetState state, SpanReader reader, int packetLength) public static void SetUpdateRange(NetState state, SpanReader reader)
{ {
state.SendChangeUpdateRange(18); state.SendChangeUpdateRange(18);
} }
public static void MobileQuery(NetState state, SpanReader reader, int packetLength) public static void MobileQuery(NetState state, SpanReader reader)
{ {
var from = state.Mobile; var from = state.Mobile;
if (from == null) if (from == null)
@ -552,7 +552,7 @@ public static class IncomingPlayerPackets
} }
} }
public static void CrashReport(NetState state, SpanReader reader, int packetLength) public static void CrashReport(NetState state, SpanReader reader)
{ {
var clientMaj = reader.ReadByte(); var clientMaj = reader.ReadByte();
var clientMin = reader.ReadByte(); var clientMin = reader.ReadByte();
@ -596,7 +596,7 @@ public static class IncomingPlayerPackets
EventSink.InvokeQuestGumpRequest(state.Mobile); EventSink.InvokeQuestGumpRequest(state.Mobile);
} }
public static unsafe void EncodedCommand(NetState state, SpanReader reader, int packetLength) public static unsafe void EncodedCommand(NetState state, SpanReader reader)
{ {
var e = World.FindEntity((Serial)reader.ReadUInt32()); var e = World.FindEntity((Serial)reader.ReadUInt32());
int packetId = reader.ReadUInt16(); int packetId = reader.ReadUInt16();

View file

@ -26,7 +26,7 @@ public static class IncomingTargetingPackets
IncomingPackets.Register(0x6C, 19, true, &TargetResponse); IncomingPackets.Register(0x6C, 19, true, &TargetResponse);
} }
public static void TargetResponse(NetState state, SpanReader reader, int packetLength) public static void TargetResponse(NetState state, SpanReader reader)
{ {
int type = reader.ReadByte(); int type = reader.ReadByte();
var targetID = reader.ReadInt32(); var targetID = reader.ReadInt32();

View file

@ -26,7 +26,7 @@ public static class IncomingVendorPackets
IncomingPackets.Register(0x9F, 0, true, &VendorSellReply); IncomingPackets.Register(0x9F, 0, true, &VendorSellReply);
} }
public static void VendorBuyReply(NetState state, SpanReader reader, int packetLength) public static void VendorBuyReply(NetState state, SpanReader reader)
{ {
var vendor = World.FindMobile((Serial)reader.ReadUInt32()); var vendor = World.FindMobile((Serial)reader.ReadUInt32());
@ -39,7 +39,7 @@ public static class IncomingVendorPackets
if (!vendor.Deleted && Utility.InRange(vendor.Location, state.Mobile.Location, 10) && flag == 0x02) if (!vendor.Deleted && Utility.InRange(vendor.Location, state.Mobile.Location, 10) && flag == 0x02)
{ {
var msgSize = packetLength - 8; // Remaining bytes var msgSize = reader.Remaining;
if (msgSize / 7 > 100) if (msgSize / 7 > 100)
{ {
@ -66,7 +66,7 @@ public static class IncomingVendorPackets
state.SendEndVendorBuy(vendor.Serial); state.SendEndVendorBuy(vendor.Serial);
} }
public static void VendorSellReply(NetState state, SpanReader reader, int packetLength) public static void VendorSellReply(NetState state, SpanReader reader)
{ {
var serial = (Serial)reader.ReadUInt32(); var serial = (Serial)reader.ReadUInt32();
var vendor = World.FindMobile(serial); var vendor = World.FindMobile(serial);

View file

@ -35,7 +35,7 @@ namespace Server.Network
return packetHandlers; return packetHandlers;
} }
private static unsafe void DecodeBundledPacket(NetState state, SpanReader reader, int packetLength) private static unsafe void DecodeBundledPacket(NetState state, SpanReader reader)
{ {
int cmd = reader.ReadByte(); int cmd = reader.ReadByte();
@ -57,7 +57,7 @@ namespace Server.Network
} }
else else
{ {
ph.OnReceive(state, reader, packetLength); ph.OnReceive(state, reader);
} }
} }
} }

View file

@ -33,7 +33,7 @@ namespace Server.Network
} }
} }
public static void QueryCompactShardStats(NetState state, SpanReader reader, int packetLength) public static void QueryCompactShardStats(NetState state, SpanReader reader)
{ {
state.SendCompactShardStats( state.SendCompactShardStats(
(uint)(Core.Uptime / 1000), (uint)(Core.Uptime / 1000),
@ -44,7 +44,7 @@ namespace Server.Network
); );
} }
public static void QueryExtendedShardStats(NetState state, SpanReader reader, int packetLength) public static void QueryExtendedShardStats(NetState state, SpanReader reader)
{ {
const long ticksInHour = 1000 * 60 * 60; const long ticksInHour = 1000 * 60 * 60;
state.SendExtendedShardStats( state.SendExtendedShardStats(

View file

@ -23,7 +23,7 @@ namespace Server.SkillHandlers
SkillInfo.Table[(int)SkillName.Tracking].Callback = OnUse; SkillInfo.Table[(int)SkillName.Tracking].Callback = OnUse;
} }
public static void QuestArrow(NetState state, SpanReader reader, int packetLength) public static void QuestArrow(NetState state, SpanReader reader)
{ {
if (state.Mobile is PlayerMobile from) if (state.Mobile is PlayerMobile from)
{ {