bumpers

Reviewed-on: #142

LightlessSync/Interop/InteropModel/Enums/TerritoryTypeIdHousing.cs

@@ -0,0 +1,51 @@
+namespace Lifestream.Enums;
+
+public enum TerritoryTypeIdHousing
+{
+    None = -1,
+    
+    // Mist (Limsa Lominsa)
+    Mist = 339,
+    MistSmall = 282,
+    MistMedium = 283,
+    MistLarge = 284,
+    MistFCRoom = 384,
+    MistFCWorkshop = 423,
+    MistApartment = 608,
+    
+    // Lavender Beds (Gridania)
+    Lavender = 340,
+    LavenderSmall = 342,
+    LavenderMedium = 343,
+    LavenderLarge = 344,
+    LavenderFCRoom = 385,
+    LavenderFCWorkshop = 425,
+    LavenderApartment = 609,
+    
+    // Goblet (Ul'dah)
+    Goblet = 341,
+    GobletSmall = 345,
+    GobletMedium = 346,
+    GobletLarge = 347,
+    GobletFCRoom = 386,
+    GobletFCWorkshop = 424,
+    GobletApartment = 610,
+    
+    // Shirogane (Kugane)
+    Shirogane = 641,
+    ShiroganeSmall = 649,
+    ShiroganeMedium = 650,
+    ShiroganeLarge = 651,
+    ShiroganeFCRoom = 652,
+    ShiroganeFCWorkshop = 653,
+    ShiroganeApartment = 655,
+    
+    // Empyreum (Ishgard)
+    Empyream = 979,
+    EmpyreamSmall = 980,
+    EmpyreamMedium = 981,
+    EmpyreamLarge = 982,
+    EmpyreamFCRoom = 983,
+    EmpyreamFCWorkshop = 984,
+    EmpyreamApartment = 999,
+}

LightlessSync/LightlessSync.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Authors></Authors>
     <Company></Company>
-    <Version>2.0.3</Version>
+    <Version>2.0.2.82</Version>
     <Description></Description>
     <Copyright></Copyright>
     <PackageProjectUrl>https://github.com/Light-Public-Syncshells/LightlessClient</PackageProjectUrl>

LightlessSync/PlayerData/Factories/PlayerDataFactory.cs

@@ -1,6 +1,5 @@
 using Dalamud.Utility;
-using FFXIVClientStructs.FFXIV.Client.Game.Character;
-using LightlessSync.API.Data.Enum;
+using FFXIVClientStructs.FFXIV.Client.Game.Object;
 using LightlessSync.FileCache;
 using LightlessSync.Interop.Ipc;
 using LightlessSync.LightlessConfiguration;
@@ -14,6 +13,7 @@ using Microsoft.Extensions.Logging;
 using System.Collections.Concurrent;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
+using ObjectKind = LightlessSync.API.Data.Enum.ObjectKind;
 
 namespace LightlessSync.PlayerData.Factories;
 
@@ -119,46 +119,30 @@ public class PlayerDataFactory
         return null;
     }
 
+    private static readonly int _drawObjectOffset =
+        (int)Marshal.OffsetOf<GameObject>(nameof(GameObject.DrawObject));
+
     private async Task<bool> CheckForNullDrawObject(IntPtr playerPointer)
-        => await _dalamudUtil.RunOnFrameworkThread(() => CheckForNullDrawObjectUnsafe(playerPointer)).ConfigureAwait(false);
-
-    private unsafe static bool CheckForNullDrawObjectUnsafe(IntPtr playerPointer)
-    {
-        if (playerPointer == IntPtr.Zero)
-            return true;
-
-        if (!IsPointerValid(playerPointer))
-            return true;
-
-        var character = (Character*)playerPointer;
-        if (character == null)
-            return true;
-
-        var gameObject = &character->GameObject;
-        if (gameObject == null)
-            return true;
-
-        if (!IsPointerValid((IntPtr)gameObject))
-            return true;
-
-        return gameObject->DrawObject == null;
-    }
-
-    private static bool IsPointerValid(IntPtr ptr)
-    {
-        if (ptr == IntPtr.Zero)
-            return false;
-
-        try
+        => await _dalamudUtil.RunOnFrameworkThread(() =>
         {
-            _ = Marshal.ReadByte(ptr);
-            return true;
-        }
-        catch
-        {
-            return false;
-        }
-    }
+            nint basePtr = playerPointer;
+
+            if (!PtrGuard.LooksLikePtr(basePtr))
+                return true;
+
+            nint drawObjAddr = basePtr + _drawObjectOffset;
+
+            if (!PtrGuard.IsReadable(drawObjAddr, (nuint)IntPtr.Size))
+                return true;
+
+            if (!PtrGuard.TryReadIntPtr(drawObjAddr, out var drawObj))
+                return true;
+
+            if (drawObj != 0 && !PtrGuard.LooksLikePtr(drawObj))
+                return true;
+
+            return drawObj == 0;
+        }).ConfigureAwait(false);
 
     private static bool IsCacheFresh(CacheEntry entry)
         => (DateTime.UtcNow - entry.CreatedUtc) <= _characterCacheTtl;

LightlessSync/PlayerData/Handlers/GameObjectHandler.cs

@@ -2,11 +2,12 @@
 using FFXIVClientStructs.FFXIV.Client.Graphics.Scene;
 using LightlessSync.Services;
 using LightlessSync.Services.Mediator;
+using LightlessSync.Utils;
 using Microsoft.Extensions.Logging;
 using System.Runtime.CompilerServices;
 using static FFXIVClientStructs.FFXIV.Client.Game.Character.DrawDataContainer;
-using VisibilityFlags = FFXIVClientStructs.FFXIV.Client.Game.Object.VisibilityFlags;
 using ObjectKind = LightlessSync.API.Data.Enum.ObjectKind;
+using VisibilityFlags = FFXIVClientStructs.FFXIV.Client.Game.Object.VisibilityFlags;
 
 namespace LightlessSync.PlayerData.Handlers;
 
@@ -177,18 +178,41 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
         var prevDrawObj = DrawObjectAddress;
         string? nameString = null;
 
-        Address = _getAddress();
+        var nextAddr = _getAddress();
+
+        if (nextAddr != IntPtr.Zero && !PtrGuard.LooksLikePtr(nextAddr))
+        {
+            nextAddr = IntPtr.Zero;
+        }
+
+        if (nextAddr != IntPtr.Zero &&
+            !PtrGuard.IsReadable(nextAddr, (nuint)sizeof(FFXIVClientStructs.FFXIV.Client.Game.Object.GameObject)))
+        {
+            nextAddr = IntPtr.Zero;
+        }
+
+        Address = nextAddr;
 
         if (Address != IntPtr.Zero)
         {
             var gameObject = (FFXIVClientStructs.FFXIV.Client.Game.Object.GameObject*)Address;
-            DrawObjectAddress = (IntPtr)gameObject->DrawObject;
+
+            var draw = (nint)gameObject->DrawObject;
+
+            if (!PtrGuard.LooksLikePtr(draw) || !PtrGuard.IsReadable(draw, (nuint)sizeof(DrawObject)))
+                draw = 0;
+
+            DrawObjectAddress = draw;
             EntityId = gameObject->EntityId;
 
-            var chara = (Character*)Address;
-            nameString = chara->GameObject.NameString;
-            if (!string.IsNullOrEmpty(nameString) && !string.Equals(nameString, Name, StringComparison.Ordinal))
-                Name = nameString;
+            if (PtrGuard.IsReadable(Address, (nuint)sizeof(Character)))
+            {
+                var chara = (Character*)Address;
+                nameString = chara->GameObject.NameString;
+
+                if (!string.IsNullOrEmpty(nameString) && !string.Equals(nameString, Name, StringComparison.Ordinal))
+                    Name = nameString;
+            }
         }
         else
         {
@@ -196,22 +220,27 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
             EntityId = uint.MaxValue;
         }
 
-        CurrentDrawCondition = IsBeingDrawnUnsafe();
+        CurrentDrawCondition = (Address != IntPtr.Zero && DrawObjectAddress != IntPtr.Zero)
+            ? IsBeingDrawnUnsafe()
+            : DrawCondition.DrawObjectZero;
 
         if (_haltProcessing || !allowPublish) return;
 
         bool drawObjDiff = DrawObjectAddress != prevDrawObj;
         bool addrDiff = Address != prevAddr;
 
-        if (Address != IntPtr.Zero && DrawObjectAddress != IntPtr.Zero)
+        if (Address != IntPtr.Zero && DrawObjectAddress != IntPtr.Zero
+            && PtrGuard.IsReadable(Address, (nuint)sizeof(Character))
+            && PtrGuard.IsReadable(DrawObjectAddress, (nuint)sizeof(DrawObject)))
         {
             var chara = (Character*)Address;
             var drawObj = (DrawObject*)DrawObjectAddress;
+
             var objType = drawObj->Object.GetObjectType();
             var isHuman = objType == ObjectType.CharacterBase
                           && ((CharacterBase*)drawObj)->GetModelType() == CharacterBase.ModelType.Human;
 
-            nameString ??= ((Character*)Address)->GameObject.NameString;
+            nameString ??= chara->GameObject.NameString;
             var nameChange = !string.Equals(nameString, Name, StringComparison.Ordinal);
             if (nameChange) Name = nameString;
 
@@ -219,32 +248,36 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
 
             if (isHuman)
             {
-                var classJob = chara->CharacterData.ClassJob;
-                if (classJob != _classJob)
+                if (PtrGuard.IsReadable(DrawObjectAddress, (nuint)sizeof(Human)))
                 {
-                    Logger.LogTrace("[{this}] classjob changed from {old} to {new}", this, _classJob, classJob);
-                    _classJob = classJob;
-                    Mediator.Publish(new ClassJobChangedMessage(this));
+                    var classJob = chara->CharacterData.ClassJob;
+                    if (classJob != _classJob)
+                    {
+                        Logger.LogTrace("[{this}] classjob changed from {old} to {new}", this, _classJob, classJob);
+                        _classJob = classJob;
+                        Mediator.Publish(new ClassJobChangedMessage(this));
+                    }
+
+                    equipDiff = CompareAndUpdateEquipByteData((byte*)&((Human*)drawObj)->Head);
+
+                    ref var mh = ref chara->DrawData.Weapon(WeaponSlot.MainHand);
+                    ref var oh = ref chara->DrawData.Weapon(WeaponSlot.OffHand);
+
+                    equipDiff |= CompareAndUpdateMainHand((Weapon*)mh.DrawObject);
+                    equipDiff |= CompareAndUpdateOffHand((Weapon*)oh.DrawObject);
+                }
+                else
+                {
+                    isHuman = false;
                 }
-
-                equipDiff = CompareAndUpdateEquipByteData((byte*)&((Human*)drawObj)->Head);
-
-                ref var mh = ref chara->DrawData.Weapon(WeaponSlot.MainHand);
-                ref var oh = ref chara->DrawData.Weapon(WeaponSlot.OffHand);
-                equipDiff |= CompareAndUpdateMainHand((Weapon*)mh.DrawObject);
-                equipDiff |= CompareAndUpdateOffHand((Weapon*)oh.DrawObject);
-
-                if (equipDiff)
-                    Logger.LogTrace("Checking [{this}] equip data as human from draw obj, result: {diff}", this, equipDiff);
             }
-            else
+
+            if (!isHuman)
             {
                 equipDiff = CompareAndUpdateEquipByteData((byte*)Unsafe.AsPointer(ref chara->DrawData.EquipmentModelIds[0]));
-                if (equipDiff)
-                    Logger.LogTrace("Checking [{this}] equip data from game obj, result: {diff}", this, equipDiff);
             }
 
-            if (equipDiff && !_isOwnedObject) // send the message out immediately and cancel out, no reason to continue if not self
+            if (equipDiff && !_isOwnedObject)
             {
                 Logger.LogTrace("[{this}] Changed", this);
                 return;
@@ -252,11 +285,13 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
 
             bool customizeDiff = false;
 
-            if (isHuman)
+            if (isHuman && PtrGuard.IsReadable(DrawObjectAddress, (nuint)sizeof(Human)))
             {
-                var gender = ((Human*)drawObj)->Customize.Sex;
-                var raceId = ((Human*)drawObj)->Customize.Race;
-                var tribeId = ((Human*)drawObj)->Customize.Tribe;
+                var human = (Human*)drawObj;
+
+                var gender = human->Customize.Sex;
+                var raceId = human->Customize.Race;
+                var tribeId = human->Customize.Tribe;
 
                 if (_isOwnedObject && ObjectKind == ObjectKind.Player
                     && (gender != Gender || raceId != RaceId || tribeId != TribeId))
@@ -267,15 +302,11 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
                     TribeId = tribeId;
                 }
 
-                customizeDiff = CompareAndUpdateCustomizeData(((Human*)drawObj)->Customize.Data);
-                if (customizeDiff)
-                    Logger.LogTrace("Checking [{this}] customize data as human from draw obj, result: {diff}", this, customizeDiff);
+                customizeDiff = CompareAndUpdateCustomizeData(human->Customize.Data);
             }
             else
             {
                 customizeDiff = CompareAndUpdateCustomizeData(chara->DrawData.CustomizeData.Data);
-                if (customizeDiff)
-                    Logger.LogTrace("Checking [{this}] customize data from game obj, result: {diff}", this, equipDiff);
             }
 
             if ((addrDiff || drawObjDiff || equipDiff || customizeDiff || nameChange) && _isOwnedObject)
@@ -289,12 +320,11 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
             CurrentDrawCondition = DrawCondition.DrawObjectZero;
             Logger.LogTrace("[{this}] Changed", this);
             if (_isOwnedObject && ObjectKind != ObjectKind.Player)
-            {
                 Mediator.Publish(new ClearCacheForObjectMessage(this));
-            }
         }
     }
 
+
     private unsafe bool CompareAndUpdateCustomizeData(Span<byte> customizeData)
     {
         bool hasChanges = false;
@@ -330,7 +360,10 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
 
     private unsafe bool CompareAndUpdateMainHand(Weapon* weapon)
     {
-        if ((nint)weapon == nint.Zero) return false;
+        var p = (nint)weapon;
+        if (!PtrGuard.LooksLikePtr(p) || !PtrGuard.IsReadable(p, (nuint)sizeof(Weapon)))
+            return false;
+
         bool hasChanges = false;
         hasChanges |= weapon->ModelSetId != MainHandData[0];
         MainHandData[0] = weapon->ModelSetId;
@@ -343,7 +376,10 @@ public sealed class GameObjectHandler : DisposableMediatorSubscriberBase, IHighP
 
     private unsafe bool CompareAndUpdateOffHand(Weapon* weapon)
     {
-        if ((nint)weapon == nint.Zero) return false;
+        var p = (nint)weapon;
+        if (!PtrGuard.LooksLikePtr(p) || !PtrGuard.IsReadable(p, (nuint)sizeof(Weapon)))
+            return false;
+
         bool hasChanges = false;
         hasChanges |= weapon->ModelSetId != OffHandData[0];
         OffHandData[0] = weapon->ModelSetId;

LightlessSync/Services/DalamudUtilService.cs

@@ -701,7 +701,23 @@ public class DalamudUtilService : IHostedService, IMediatorSubscriber
                 str += $" Room #{location.RoomId}";
             }
         }
+        return str;
+    }
 
+    public string LocationToLifestream(LocationInfo location)
+    {
+        if (location.ServerId is 0 || location.TerritoryId is 0 || ContentFinderData.Value.ContainsKey(location.TerritoryId)) return String.Empty;
+        var str = WorldData.Value[(ushort)location.ServerId];
+        if (location.HouseId is 0 && location.MapId is not 0)
+        {
+            var mapName = MapData.Value[(ushort)location.MapId].MapName;
+            var parts = mapName.Split(" - ", StringSplitOptions.RemoveEmptyEntries);
+            var locationName = parts.Length > 0 ? parts[^1] : mapName;
+            str += $", tp {locationName}";
+            string message = $"LocationToLifestream: {str}";
+            _logger.LogInformation(message);
+
+        }
         return str;
     }
 

LightlessSync/Services/LocationShareService.cs

@@ -1,3 +1,4 @@
+using Lifestream.Enums;
 using LightlessSync.API.Data;
 using LightlessSync.API.Dto.CharaData;
 using LightlessSync.API.Dto.User;
@@ -108,6 +109,144 @@ namespace LightlessSync.Services
             }
         }
 
+        public LocationInfo? GetLocationForLifestreamByUid(string uid)
+        {
+            try
+            {
+                if (_locations.TryGetValue<LocationInfo>(uid, out var location))
+                {    
+                    return location;
+                }
+                return null;
+            }
+            catch (Exception e)
+            {
+                Logger.LogError(e,"GetLocationInfoByUid error : ");
+                throw;
+            }
+        }
+
+        public AddressBookEntryTuple? GetAddressBookEntryByLocation(LocationInfo location)
+        {
+            if (location.ServerId is 0 || location.TerritoryId is 0)
+            {
+                return null;
+            }
+
+            var territoryHousing = (TerritoryTypeIdHousing)location.TerritoryId;
+
+            if (territoryHousing == TerritoryTypeIdHousing.None || !Enum.IsDefined(typeof(TerritoryTypeIdHousing), territoryHousing))
+            {
+                return null;
+            }
+
+            var city = GetResidentialAetheryteKind(territoryHousing);
+
+            if (city == ResidentialAetheryteKind.None)
+            {
+                return null;
+            }
+
+            if (location.HouseId is not 0 and not 100)
+            {
+                AddressBookEntryTuple addressEntry = (
+                    Name: "",
+                    World: (int)location.ServerId,
+                    City: (int)city,
+                    Ward: (int)location.WardId,
+                    PropertyType: 0,
+                    Plot: (int)location.HouseId,
+                    Apartment: 0,
+                    ApartmentSubdivision: location.DivisionId == 2,
+                    AliasEnabled: false,
+                    Alias: ""
+                );
+                return addressEntry;
+            }
+            else if (location.HouseId is 100)
+            {
+                AddressBookEntryTuple addressEntry = (
+                    Name: "",
+                    World: (int)location.ServerId,
+                    City: (int)city,
+                    Ward: (int)location.WardId,
+                    PropertyType: 1,
+                    Plot: 0,
+                    Apartment: (int)location.RoomId,
+                    ApartmentSubdivision: location.DivisionId == 2,
+                    AliasEnabled: false,
+                    Alias: ""
+                );
+                return addressEntry;
+            }
+
+            return null;
+        }
+
+        private ResidentialAetheryteKind GetResidentialAetheryteKind(TerritoryTypeIdHousing territoryHousing)
+        {
+            return territoryHousing switch
+            {
+                TerritoryTypeIdHousing.Shirogane or
+                TerritoryTypeIdHousing.ShiroganeApartment or
+                TerritoryTypeIdHousing.ShiroganeSmall or
+                TerritoryTypeIdHousing.ShiroganeMedium or
+                TerritoryTypeIdHousing.ShiroganeLarge or
+                TerritoryTypeIdHousing.ShiroganeFCRoom or
+                TerritoryTypeIdHousing.ShiroganeFCWorkshop
+                => ResidentialAetheryteKind.Kugane,
+                
+                TerritoryTypeIdHousing.Lavender or
+                TerritoryTypeIdHousing.LavenderSmall or
+                TerritoryTypeIdHousing.LavenderMedium or
+                TerritoryTypeIdHousing.LavenderLarge or
+                TerritoryTypeIdHousing.LavenderApartment or
+                TerritoryTypeIdHousing.LavenderFCRoom or
+                TerritoryTypeIdHousing.LavenderFCWorkshop
+                => ResidentialAetheryteKind.Gridania,
+                
+                TerritoryTypeIdHousing.Mist or
+                TerritoryTypeIdHousing.MistSmall or
+                TerritoryTypeIdHousing.MistMedium or
+                TerritoryTypeIdHousing.MistLarge or
+                TerritoryTypeIdHousing.MistApartment or
+                TerritoryTypeIdHousing.MistFCRoom or
+                TerritoryTypeIdHousing.MistFCWorkshop
+                => ResidentialAetheryteKind.Limsa,
+                
+                TerritoryTypeIdHousing.Goblet or
+                TerritoryTypeIdHousing.GobletSmall or
+                TerritoryTypeIdHousing.GobletMedium or
+                TerritoryTypeIdHousing.GobletLarge or
+                TerritoryTypeIdHousing.GobletApartment or
+                TerritoryTypeIdHousing.GobletFCRoom or
+                TerritoryTypeIdHousing.GobletFCWorkshop
+                => ResidentialAetheryteKind.Uldah,
+                
+                TerritoryTypeIdHousing.Empyream or
+                TerritoryTypeIdHousing.EmpyreamSmall or
+                TerritoryTypeIdHousing.EmpyreamMedium or
+                TerritoryTypeIdHousing.EmpyreamLarge or
+                TerritoryTypeIdHousing.EmpyreamApartment or
+                TerritoryTypeIdHousing.EmpyreamFCRoom or
+                TerritoryTypeIdHousing.EmpyreamFCWorkshop
+                => ResidentialAetheryteKind.Foundation,
+                
+                _ => ResidentialAetheryteKind.None
+            };
+        }
+
+        public string? GetMapAddressByLocation(LocationInfo location)
+        {
+            string? liString = null;
+            var territoryHousing = (TerritoryTypeIdHousing)location.TerritoryId;
+            if (GetResidentialAetheryteKind(territoryHousing) == ResidentialAetheryteKind.None)
+            {
+                liString = _dalamudUtilService.LocationToLifestream(location);
+            }
+            return liString;
+        }
+
         public DateTimeOffset GetSharingStatus(string uid)
         {
             try

LightlessSync/UI/Components/DrawUserPair.cs

@@ -4,8 +4,10 @@ using Dalamud.Interface.Utility;
 using Dalamud.Interface.Utility.Raii;
 using LightlessSync.API.Data.Enum;
 using LightlessSync.API.Data.Extensions;
+using LightlessSync.API.Dto.CharaData;
 using LightlessSync.API.Dto.Group;
 using LightlessSync.API.Dto.User;
+using LightlessSync.Interop.Ipc;
 using LightlessSync.LightlessConfiguration;
 using LightlessSync.PlayerData.Pairs;
 using LightlessSync.Services;
@@ -40,6 +42,7 @@ public class DrawUserPair
     private readonly LocationShareService _locationShareService;
     private readonly CharaDataManager _charaDataManager;
     private readonly PairLedger _pairLedger;
+    private readonly IpcCallerLifestream _lifestreamIpc;
     private float _menuWidth = -1;
     private bool _wasHovered = false;
     private TooltipSnapshot _tooltipSnapshot = TooltipSnapshot.Empty;
@@ -60,7 +63,8 @@ public class DrawUserPair
         LightlessConfigService configService,
         LocationShareService locationShareService,
         CharaDataManager charaDataManager,
-        PairLedger pairLedger)
+        PairLedger pairLedger,
+        IpcCallerLifestream lifestreamIpc)
     {
         _id = id;
         _uiEntry = uiEntry;
@@ -79,6 +83,7 @@ public class DrawUserPair
         _locationShareService = locationShareService;
         _charaDataManager = charaDataManager;
         _pairLedger = pairLedger;
+        _lifestreamIpc = lifestreamIpc;
     }
 
     public PairDisplayEntry DisplayEntry => _displayEntry;
@@ -656,6 +661,13 @@ public class DrawUserPair
                 using (ImRaii.PushColor(ImGuiCol.Text, shareColor, shareLocation || shareLocationToOther))
                     _uiSharedService.IconText(shareLocationIcon);
 
+                var popupId = $"LocationPopup_{_pair.UserData.UID}";
+                
+                if (ImGui.IsItemClicked(ImGuiMouseButton.Left) && shareLocation && !string.IsNullOrEmpty(location))
+                {
+                    ImGui.OpenPopup(popupId);
+                }
+
                 if (ImGui.IsItemHovered())
                 {
                     ImGui.BeginTooltip();
@@ -669,6 +681,8 @@ public class DrawUserPair
                                 _uiSharedService.IconText(FontAwesomeIcon.LocationArrow);
                                 ImGui.SameLine();
                                 ImGui.TextUnformatted(location);
+                                ImGui.Separator();
+                                ImGui.TextUnformatted("Click to teleport to this location");
                             }
                             else
                             {
@@ -700,6 +714,62 @@ public class DrawUserPair
                     }
                     ImGui.EndTooltip();
                 }
+
+                if (ImGui.BeginPopup(popupId))
+                {
+
+                    var locationInfo = _locationShareService.GetLocationForLifestreamByUid(_pair.UserData.UID);
+                    if (locationInfo != null)
+                    {
+                        var locationLi = locationInfo.Value;
+                        var housingAddress = _locationShareService.GetAddressBookEntryByLocation(locationLi);
+                        var mapAddress = _locationShareService.GetMapAddressByLocation(locationLi);
+                        ImGui.TextUnformatted("Teleport to user?");
+                        ImGui.Separator();
+                        if (!_lifestreamIpc.APIAvailable)
+                        {
+                            ImGui.TextUnformatted("Lifestream IPC is not available. Please ensure Lifestream is enabled");
+                        }
+                        else if (housingAddress != null || mapAddress != null)
+                        {
+                            ImGui.TextUnformatted($"Go to {location}?");
+                            ImGui.TextUnformatted($"NOTE: Teleporting to maps with multiple aetherytes or instances may not be accurate currently. (ie. Thavnair, Yanxia)");
+                        }
+                        else
+                        {
+                            ImGui.TextUnformatted("Lifestream cannot teleport here. If you are in a residential area, please make sure you're inside a plot.");
+                        }
+                        ImGui.Separator();
+                        if (_lifestreamIpc.APIAvailable && (housingAddress != null || mapAddress != null))
+                        {
+                            if (locationLi.HouseId is not 0 && housingAddress != null)
+                            {
+                                if (ImGui.Button("Navigate"))
+                                {
+                                    _lifestreamIpc.GoToHousingAddress(housingAddress.Value);
+
+                                    ImGui.CloseCurrentPopup();
+                                }
+                            }
+                            else if (mapAddress != null && locationLi.HouseId is 0)
+                            {
+                                if (ImGui.Button("Navigate"))
+                                {
+                                    _lifestreamIpc.ExecuteLifestreamCommand(mapAddress);
+
+                                    ImGui.CloseCurrentPopup();
+                                }
+                            }
+
+                            ImGui.SameLine();
+                        }
+                        if (ImGui.Button("Close"))
+                        {
+                            ImGui.CloseCurrentPopup();
+                        }
+                        ImGui.EndPopup();
+                    }
+                }
             }
 
             if (individualAnimDisabled || individualSoundsDisabled || individualVFXDisabled || individualIsSticky)

LightlessSync/UI/DrawEntityFactory.cs

@@ -16,6 +16,7 @@ using LightlessSync.UI.Handlers;
 using LightlessSync.UI.Models;
 using LightlessSync.WebAPI;
 using Microsoft.Extensions.Logging;
+using LightlessSync.Interop.Ipc;
 
 namespace LightlessSync.UI;
 
@@ -40,6 +41,7 @@ public class DrawEntityFactory
     private readonly IdDisplayHandler _uidDisplayHandler;
     private readonly PairLedger _pairLedger;
     private readonly PairFactory _pairFactory;
+    private readonly IpcCallerLifestream _lifestreamIpc;
 
     public DrawEntityFactory(
         ILogger<DrawEntityFactory> logger,
@@ -60,7 +62,8 @@ public class DrawEntityFactory
         RenameSyncshellTagUi renameSyncshellTagUi,
         SelectSyncshellForTagUi selectSyncshellForTagUi,
         PairLedger pairLedger,
-        PairFactory pairFactory)
+        PairFactory pairFactory,
+        IpcCallerLifestream lifestreamIpc)
     {
         _logger = logger;
         _apiController = apiController;
@@ -81,6 +84,7 @@ public class DrawEntityFactory
         _selectSyncshellForTagUi = selectSyncshellForTagUi;
         _pairLedger = pairLedger;
         _pairFactory = pairFactory;
+        _lifestreamIpc = lifestreamIpc;
     }
 
     public DrawFolderGroup CreateGroupFolder(
@@ -167,7 +171,8 @@ public class DrawEntityFactory
             _configService,
             _locationShareService,
             _charaDataManager,
-            _pairLedger);
+            _pairLedger,
+            _lifestreamIpc);
     }
 
     public IReadOnlyList<PairUiEntry> GetAllEntries()

LightlessSync/Utils/PtrGuard.cs

@@ -0,0 +1,55 @@
+using System.Runtime.InteropServices;
+using static LightlessSync.Utils.PtrGuardMemory;
+
+namespace LightlessSync.Utils
+{
+    public static partial class PtrGuard
+    {
+        private const ulong _minLikelyPtr = 0x0000_0001_0000_0000UL;
+        private const ulong _maxUserPtr = 0x0000_7FFF_FFFF_FFFFUL;
+        private const ulong _aligmentPtr = 0x7UL;
+
+        public static bool LooksLikePtr(nint p)
+        {
+            if (p == 0) return false;
+            var u = (ulong)p;
+            if (u < _minLikelyPtr) return false;
+            if (u > _maxUserPtr) return false;
+            if ((u & _aligmentPtr) != 0) return false;
+            return true;
+        }
+        public static bool TryReadIntPtr(nint addr, out nint value)
+        {
+            value = 0;
+            
+            if (!LooksLikePtr(addr))
+                return false;
+
+            return ReadProcessMemory(GetCurrentProcess(), addr, out value, (nuint)IntPtr.Size, out nuint bytesRead)
+                   && bytesRead == (nuint)IntPtr.Size;
+        }
+
+        public static bool IsReadable(nint addr, nuint size)
+        {
+            if (addr == 0 || size == 0) return false;
+
+            if (VirtualQuery(addr, out var mbi, (nuint)Marshal.SizeOf<MEMORY_BASIC_INFORMATION>()) == 0)
+                return false;
+
+            const uint Commit = 0x1000;
+            const uint NoAccess = 0x01;
+            const uint PageGuard = 0x100;
+
+            if (mbi.State != Commit) return false;
+            if ((mbi.Protect & PageGuard) != 0) return false;
+            if (mbi.Protect == NoAccess) return false;
+
+            ulong start = (ulong)addr;
+            ulong end = start + size - 1;
+            ulong r0 = (ulong)mbi.BaseAddress;
+            ulong r1 = r0 + mbi.RegionSize - 1;
+
+            return start >= r0 && end <= r1;
+        }
+    }
+}

LightlessSync/Utils/PtrGuardMemory.cs

@@ -0,0 +1,36 @@
+using System.Runtime.InteropServices;
+
+namespace LightlessSync.Utils
+{
+    internal static class PtrGuardMemory
+    {
+        [StructLayout(LayoutKind.Sequential)]
+        internal struct MEMORY_BASIC_INFORMATION
+        {
+            public nint BaseAddress;
+            public nint AllocationBase;
+            public uint AllocationProtect;
+            public nuint RegionSize;
+            public uint State;
+            public uint Protect;
+            public uint Type;
+        }
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        internal static extern nuint VirtualQuery(
+            nint lpAddress,
+            out MEMORY_BASIC_INFORMATION lpBuffer,
+            nuint dwLength);
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        internal static extern bool ReadProcessMemory(
+            nint hProcess,
+            nint lpBaseAddress,
+            out nint lpBuffer,
+            nuint nSize,
+            out nuint lpNumberOfBytesRead);
+
+        [DllImport("kernel32.dll")]
+        internal static extern nint GetCurrentProcess();
+    }
+}