Add handlers and requests for MapInfo packets

EOLib/Domain/Map/CurrentMapStateRepository.cs

@@ -24,6 +24,10 @@ public interface ICurrentMapStateRepository
         HashSet<MapCoordinate> VisibleSpikeTraps { get; set; }
 
         WarpState MapWarpState { get; set; }
+
+        HashSet<short> UnknownPlayerIDs { get; set; }
+
+        HashSet<byte> UnknownNPCIndexes { get; set; }
     }
 
     public interface ICurrentMapStateProvider
@@ -44,7 +48,11 @@ public interface ICurrentMapStateProvider
 
         IReadOnlyCollection<MapCoordinate> VisibleSpikeTraps { get; }
 
-        WarpState MapWarpState { get; set; }
+        WarpState MapWarpState { get; }
+
+        HashSet<short> UnknownPlayerIDs { get; }
+
+        HashSet<byte> UnknownNPCIndexes { get; }
     }
 
     [AutoMappedType(IsSingleton = true)]
@@ -68,6 +76,10 @@ public class CurrentMapStateRepository : ICurrentMapStateRepository, ICurrentMap
 
         public WarpState MapWarpState { get; set; }
 
+        public HashSet<short> UnknownPlayerIDs { get; set; }
+
+        public HashSet<byte> UnknownNPCIndexes { get; set; }
+
         IReadOnlyDictionary<int, ICharacter> ICurrentMapStateProvider.Characters => Characters;
 
         IReadOnlyCollection<INPC> ICurrentMapStateProvider.NPCs => NPCs;
@@ -96,6 +108,8 @@ public void ResetState()
             OpenDoors = new HashSet<IWarp>();
             PendingDoors = new HashSet<IWarp>();
             VisibleSpikeTraps = new HashSet<MapCoordinate>();
+            UnknownPlayerIDs = new HashSet<short>();
+            UnknownNPCIndexes = new HashSet<byte>();
 
             MapWarpState = WarpState.None;
         }

EOLib/Net/PacketFamily.cs

@@ -26,9 +26,9 @@ public enum PacketFamily : byte
         Party = (byte)24,
         Refresh = (byte)25,
         NPC = (byte)26,
-        AutoRefresh = (byte)27,
-        AutoRefresh2 = (byte)28,
-        Appear = (byte)29,
+        CharacterMapInfo = (byte)27,
+        NPCMapInfo = (byte)28,
+        MapInfo = (byte)29,
         PaperDoll = (byte)30,
         Effect = (byte)31,
         Trade = (byte)32,

EOLib/Net/Translators/CharacterFromPacketFactory.cs

@@ -27,7 +27,7 @@ public ICharacter CreateCharacter(IPacket packet)
             var yLoc = packet.ReadShort();
 
             var direction = (EODirection)packet.ReadChar();
-            packet.ReadChar(); //value is always 6? Unknown use
+            var classID = packet.ReadChar();
             var guildTag = packet.ReadString(3);
 
             var level = packet.ReadChar();
@@ -78,6 +78,7 @@ public ICharacter CreateCharacter(IPacket packet)
             return new Character()
                 .WithName(name)
                 .WithID(id)
+                .WithClassID(classID)
                 .WithMapID(mapID)
                 .WithGuildTag(guildTag)
                 .WithStats(stats)

EOLib/Net/Translators/NPCFromPacketFactory.cs

@@ -0,0 +1,27 @@
+using AutomaticTypeMapper;
+using EOLib.Domain.NPC;
+
+namespace EOLib.Net.Translators
+{
+    [AutoMappedType]
+    public class NPCFromPacketFactory : INPCFromPacketFactory
+    {
+        public INPC CreateNPC(IPacket packet)
+        {
+            var index = packet.ReadChar();
+            var id = packet.ReadShort();
+            var x = packet.ReadChar();
+            var y = packet.ReadChar();
+            var direction = (EODirection)packet.ReadChar();
+
+            INPC npc = new NPC(id, index);
+            npc = npc.WithX(x).WithY(y).WithDirection(direction).WithFrame(NPCFrame.Standing);
+            return npc;
+        }
+    }
+
+    public interface INPCFromPacketFactory
+    {
+        INPC CreateNPC(IPacket packet);
+    }
+}

EOLib/PacketHandlers/AdminHideHandler.cs

@@ -33,12 +33,17 @@ public override bool HandlePacket(IPacket packet)
                 _characterRepository.MainCharacter = Hidden(_characterRepository.MainCharacter);
             else
             {
-                if (!_currentMapStateRepository.Characters.ContainsKey(id))
-                    return false;
-                var character = _currentMapStateRepository.Characters[id];
-
-                var updatedCharacter = Hidden(character);
-                _currentMapStateRepository.Characters[id] = updatedCharacter;
+                if (_currentMapStateRepository.Characters.ContainsKey(id))
+                {
+                    var character = _currentMapStateRepository.Characters[id];
+
+                    var updatedCharacter = Hidden(character);
+                    _currentMapStateRepository.Characters[id] = updatedCharacter;
+                }
+                else
+                {
+                    _currentMapStateRepository.UnknownPlayerIDs.Add(id);
+                }
             }
 
             return true;

EOLib/PacketHandlers/AdminShowHandler.cs

@@ -33,12 +33,17 @@ public override bool HandlePacket(IPacket packet)
                 _characterRepository.MainCharacter = Shown(_characterRepository.MainCharacter);
             else
             {
-                if (!_currentMapStateRepository.Characters.ContainsKey(id))
-                    return false;
-                var character = _currentMapStateRepository.Characters[id];
-
-                var updatedCharacter = Shown(character);
-                _currentMapStateRepository.Characters[id] = updatedCharacter;
+                if (_currentMapStateRepository.Characters.ContainsKey(id))
+                {
+                    var character = _currentMapStateRepository.Characters[id];
+
+                    var updatedCharacter = Shown(character);
+                    _currentMapStateRepository.Characters[id] = updatedCharacter;
+                }
+                else
+                {
+                    _currentMapStateRepository.UnknownPlayerIDs.Add(id);
+                }
             }
 
             return true;

EOLib/PacketHandlers/Effects/PlayerSpikeDamageHandler.cs

@@ -35,15 +35,19 @@ public override bool HandlePacket(IPacket packet)
             var isDead = packet.ReadChar() != 0;
             var damageTaken = packet.ReadThree();
 
-            if (!_currentMapStateRepository.Characters.ContainsKey(characterId))
-                return false;
-
-            var updatedCharacter = _currentMapStateRepository.Characters[characterId].WithDamage(damageTaken, isDead);
-            _currentMapStateRepository.Characters[characterId] = updatedCharacter;
+            if (_currentMapStateRepository.Characters.ContainsKey(characterId))
+            {
+                var updatedCharacter = _currentMapStateRepository.Characters[characterId].WithDamage(damageTaken, isDead);
+                _currentMapStateRepository.Characters[characterId] = updatedCharacter;
 
-            foreach (var notifier in _otherCharacterEventNotifiers)
+                foreach (var notifier in _otherCharacterEventNotifiers)
+                {
+                    notifier.OtherCharacterTakeDamage(characterId, playerPercentHealth, damageTaken);
+                }
+            }
+            else
             {
-                notifier.OtherCharacterTakeDamage(characterId, playerPercentHealth, damageTaken);
+                _currentMapStateRepository.UnknownPlayerIDs.Add(characterId);
             }
 
             return true;

EOLib/PacketHandlers/ItemEquipHandler.cs

@@ -107,6 +107,11 @@ protected bool HandlePaperdollPacket(IPacket packet, bool itemUnequipped)
                 }
             });
 
+            update.MatchNone(() =>
+            {
+                _currentMapStateRepository.UnknownPlayerIDs.Add(playerId);
+            });
+
             return true;
         }
     }

EOLib/PacketHandlers/MainPlayerWalkHandler.cs

@@ -3,6 +3,7 @@
 using EOLib.Domain.Map;
 using EOLib.Net;
 using EOLib.Net.Handlers;
+using System.Linq;
 
 namespace EOLib.PacketHandlers
 {
@@ -23,8 +24,25 @@ public MainPlayerWalkHandler(IPlayerInfoProvider playerInfoProvider,
 
         public override bool HandlePacket(IPacket packet)
         {
-            if (packet.ReadByte() != 255 || packet.ReadByte() != 255)
-                return false;
+            while (packet.PeekByte() != 0xFF)
+            {
+                var playerID = packet.ReadShort();
+                if (!_currentMapStateRepository.Characters.ContainsKey(playerID))
+                {
+                    _currentMapStateRepository.UnknownPlayerIDs.Add(playerID);
+                }
+            }
+            packet.ReadByte();
+
+            while (packet.PeekByte() != 0xFF)
+            {
+                var index = packet.ReadChar();
+                if (!_currentMapStateRepository.NPCs.Any((npc) => npc.Index == index))
+                {
+                    _currentMapStateRepository.UnknownNPCIndexes.Add(index);
+                }
+            }
+            packet.ReadByte();
 
             var numberOfMapItems = packet.PeekEndString().Length / 9;
             for (int i = 0; i < numberOfMapItems; ++i)

EOLib/PacketHandlers/MapInfoHandler.cs

@@ -0,0 +1,71 @@
+using AutomaticTypeMapper;
+using EOLib.Domain.Extensions;
+using EOLib.Domain.Login;
+using EOLib.Domain.Map;
+using EOLib.IO.Extensions;
+using EOLib.IO.Repositories;
+using EOLib.Net;
+using EOLib.Net.Handlers;
+using EOLib.Net.Translators;
+
+namespace EOLib.PacketHandlers
+{
+    [AutoMappedType]
+    public class MapInfoHandler : InGameOnlyPacketHandler
+    {
+        private readonly ICurrentMapStateRepository _currentMapStateRepository;
+        private readonly ICharacterFromPacketFactory _characterFromPacketFactory;
+        private readonly INPCFromPacketFactory _npcFromPacketFactory;
+        private readonly IEIFFileProvider _eifFileProvider;
+
+        public override PacketFamily Family => PacketFamily.MapInfo;
+
+        public override PacketAction Action => PacketAction.Reply;
+
+        public MapInfoHandler(IPlayerInfoProvider playerInfoProvider,
+                              ICurrentMapStateRepository currentMapStateRepository,
+                              ICharacterFromPacketFactory characterFromPacketFactory,
+                              INPCFromPacketFactory npcFromPacketFactory,
+                              IEIFFileProvider eifFileProvider
+                              )
+            : base(playerInfoProvider)
+        {
+            _currentMapStateRepository = currentMapStateRepository;
+            _characterFromPacketFactory = characterFromPacketFactory;
+            _npcFromPacketFactory = npcFromPacketFactory;
+            _eifFileProvider = eifFileProvider;
+        }
+
+        public override bool HandlePacket(IPacket packet)
+        {
+            var numOfEntities = packet.ReadChar();
+
+            if (packet.PeekByte() == 0xFF)
+            {
+                packet.ReadByte();
+                for (var i = 0; i < numOfEntities; i++)
+                {
+                    var character = _characterFromPacketFactory.CreateCharacter(packet);
+                    if (_currentMapStateRepository.Characters.ContainsKey(character.ID))
+                    {
+                        var existingCharacter = _currentMapStateRepository.Characters[character.ID];
+                        var isRangedWeapon = _eifFileProvider.EIFFile.IsRangedWeapon(character.RenderProperties.WeaponGraphic);
+                        character = existingCharacter.WithAppliedData(character, isRangedWeapon);
+                    }
+                    _currentMapStateRepository.Characters[character.ID] = character;
+                    if (packet.ReadByte() != 255)
+                        throw new MalformedPacketException("Missing 255 byte after character data", packet);
+                }
+            }
+
+            while (packet.ReadPosition < packet.Length)
+            {
+                var npc = _npcFromPacketFactory.CreateNPC(packet);
+                _currentMapStateRepository.NPCs.RemoveWhere(n => n.Index == npc.Index);
+                _currentMapStateRepository.NPCs.Add(npc);
+            }
+
+            return true;
+        }
+    }
+}

EOLib/PacketHandlers/NPCActionHandler.cs

@@ -69,7 +69,11 @@ public override bool HandlePacket(IPacket packet)
             {
                 npc = _currentMapStateRepository.NPCs.Single(n => n.Index == index);
             }
-            catch (InvalidOperationException) { return false; }
+            catch (InvalidOperationException) 
+            {
+                _currentMapStateRepository.UnknownNPCIndexes.Add(index);
+                return true;
+            }
 
             var updatedNpc = Option.None<INPC>();
             switch (num255s)
@@ -142,6 +146,10 @@ private INPC HandleNPCAttack(IPacket packet, INPC npc)
                 foreach (var notifier in _otherCharacterNotifiers)
                     notifier.OtherCharacterTakeDamage(characterID, playerPercentHealth, damageTaken);
             }
+            else
+            {
+                _currentMapStateRepository.UnknownPlayerIDs.Add(characterID);
+            }
 
             foreach (var notifier in _npcAnimationNotifiers)
                 notifier.StartNPCAttackAnimation(npc.Index);

EOLib/PacketHandlers/NPCLeaveMapHandler.cs

@@ -113,6 +113,10 @@ private void UpdatePlayerDirection(short playerID, EODirection playerDirection)
                 var updatedCharacter = _currentMapStateRepository.Characters[playerID].WithRenderProperties(updatedRenderProps);
                 _currentMapStateRepository.Characters[playerID] = updatedCharacter;
             }
+            else
+            {
+                _currentMapStateRepository.UnknownPlayerIDs.Add(playerID);
+            }
         }
 
         private void UpdateCharacterStat(CharacterStat whichStat, int statValue)