WIP pinning and hoisting

AetherBags/Addons/AddonCategoryConfigurationWindow.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Numerics;

AetherBags/Addons/AddonInventoryWindow.cs

@@ -1,19 +1,15 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Numerics;
-using AetherBags.Extensions;
 using AetherBags.Inventory;
-using AetherBags.Nodes;
 using AetherBags.Nodes.Input;
 using AetherBags.Nodes.Inventory;
 using AetherBags.Nodes.Layout;
 using Dalamud.Game.Addon.Lifecycle;
 using Dalamud.Game.Addon.Lifecycle.AddonArgTypes;
-using Dalamud.Game.Gui;
-using FFXIVClientStructs.FFXIV.Client.UI.Agent;
 using FFXIVClientStructs.FFXIV.Component.GUI;
 using KamiToolKit;
-using KamiToolKit.Classes;
 using KamiToolKit.Nodes;
 
 namespace AetherBags.Addons;
@@ -21,6 +17,7 @@ namespace AetherBags.Addons;
 public class AddonInventoryWindow : NativeAddon
 {
     private readonly InventoryCategoryHoverCoordinator _hoverCoordinator = new();
+    private readonly InventoryCategoryPinCoordinator _pinCoordinator = new();
     private readonly HashSet<InventoryCategoryNode> _hoverSubscribed = new();
 
     private InventoryNotificationNode _notificationNode = null!;
@@ -135,6 +132,20 @@ public class AddonInventoryWindow : NativeAddon
         RefreshCategoriesCore(true);
     }
 
+    public void UpdateLootedCategory(IReadOnlyList<LootedItemInfo> lootedItemInfos)
+    {
+        if (!Services.ClientState.IsLoggedIn) return;
+        _recentlyLootedCategoryNode?.CategorizedInventory.Items.AddRange(
+            lootedItemInfos.Select(x => new ItemInfo
+            {
+                ItemCount = x.Quantity,
+                Key = uint.MaxValue - 1,
+                Item = x.Item,
+            })
+            .ToList());
+        RefreshCategoriesCore(true);
+    }
+
     public void ManualCurrencyRefresh()
     {
         if (!Services.ClientState.IsLoggedIn) return;
@@ -182,6 +193,10 @@ public class AddonInventoryWindow : NativeAddon
                 Size = ContentSize with { Y = 120 },
             });
 
+        bool pinsChanged = _pinCoordinator.ApplyPinnedStates(_categoriesNode);
+        if (pinsChanged)
+            _hoverCoordinator.ResetAll(_categoriesNode);
+
         WireHoverHandlers();
 
         if (autosize) AutoSizeWindow();
@@ -192,6 +207,7 @@ public class AddonInventoryWindow : NativeAddon
         }
     }
 
+
     private void WireHoverHandlers()
     {
         var nodes = _categoriesNode.Nodes;

AetherBags/Addons/CategoryWrapper.cs

@@ -1,8 +1,6 @@
 using AetherBags.Configuration;
 using AetherBags.Inventory;
-using Dalamud.Game.Text.SeStringHandling;
 using KamiToolKit.Premade;
-using SeStringBuilder = Lumina.Text.SeStringBuilder;
 
 namespace AetherBags.Addons;
 

AetherBags/AetherBags.csproj

@@ -4,7 +4,7 @@
     </PropertyGroup>
 
     <PropertyGroup>
-        <Author>Zeffuro</Author>
+        <Author>Zeffuro, Pie Lover</Author>
         <Name>AetherBags</Name>
         <InternalName>AetherBags</InternalName>
         <Punchline>Never think too hard about your bags again!</Punchline>

AetherBags/Configuration/CategorySettings.cs

@@ -17,6 +17,7 @@ public class CategorySettings
 public class UserCategoryDefinition
 {
     public bool Enabled { get; set; } = true;
+    public bool Pinned { get; set; } = false;
     public string Id { get; set; } = Guid.NewGuid().ToString("N");
     public string Name { get; set; } = "New Category";
     public string Description { get; set; } = string.Empty;

AetherBags/Configuration/CurrencySettings.cs

@@ -1,6 +1,5 @@
 using System.Numerics;
 using KamiToolKit.Classes;
-using SixLabors.ImageSharp.PixelFormats;
 
 namespace AetherBags.Configuration;
 

AetherBags/Configuration/GeneralSettings.cs

@@ -1,6 +1,3 @@
-using System.Numerics;
-using KamiToolKit.Classes;
-
 namespace AetherBags.Configuration;
 
 public class GeneralSettings

AetherBags/Configuration/SystemConfiguration.cs

@@ -1,6 +1,3 @@
-using System.Numerics;
-using KamiToolKit.Classes;
-
 namespace AetherBags.Configuration;
 
 public class SystemConfiguration

AetherBags/Extensions/InventoryTypeExtensions.cs

@@ -1,4 +1,3 @@
-using System;
 using AetherBags.Inventory;
 using FFXIVClientStructs.FFXIV.Client.Game;
 using FFXIVClientStructs.FFXIV.Client.UI.Misc;

AetherBags/Extensions/LoggerExtensions.cs

@@ -1,5 +1,3 @@
-using System.Diagnostics;
-
 namespace AetherBags.Extensions;
 
 public static class LoggerExtensions

AetherBags/Helpers/ImportExportResetHelper.cs

@@ -1,8 +1,6 @@
-using System.Linq;
 using AetherBags.Configuration;
 using AetherBags.Helpers.Import;
 using Dalamud.Bindings.ImGui;
-using Dalamud.Game.ClientState.Keys;
 using Dalamud.Interface.ImGuiNotification;
 
 namespace AetherBags.Helpers;

AetherBags/Helpers/InventoryMoveHelper.cs

@@ -1,8 +1,4 @@
-using AetherBags. Extensions;
 using FFXIVClientStructs.FFXIV.Client.Game;
-using FFXIVClientStructs.FFXIV.Client.UI;
-using FFXIVClientStructs.FFXIV.Component. GUI;
-using ValueType = FFXIVClientStructs. FFXIV. Component.GUI.ValueType;
 
 namespace AetherBags. Helpers;
 

AetherBags/Hooks/InventoryHook.cs

@@ -1,7 +1,6 @@
 using System;
 using Dalamud.Hooking;
 using FFXIVClientStructs.FFXIV.Client.Game;
-using FFXIVClientStructs.FFXIV.Client.UI;
 using FFXIVClientStructs.FFXIV.Client.UI.Agent;
 using FFXIVClientStructs.FFXIV.Component.GUI;
 

AetherBags/Inventory/CategoryBucketManager.cs

@@ -73,6 +73,7 @@ public static class CategoryBucketManager
                         Name = category.Name,
                         Description = category.Description,
                         Color = category.Color,
+                        IsPinned = category.Pinned,
                     },
                     Items = new List<ItemInfo>(capacity: 16),
                     FilteredItems = new List<ItemInfo>(capacity: 16),
@@ -86,6 +87,7 @@ public static class CategoryBucketManager
                 bucket.Category.Name = category.Name;
                 bucket.Category.Description = category.Description;
                 bucket.Category.Color = category.Color;
+                bucket.Category.IsPinned = category.Pinned;
             }
 
             foreach (var itemKvp in itemInfoByKey)

AetherBags/Inventory/CategoryInfo.cs

@@ -6,6 +6,7 @@ namespace AetherBags.Inventory;
 public class CategoryInfo
 {
     public required string Name { get; set; }
-    public Vector4 Color { get; set; } = ColorHelper.GetColor(50);
+    public Vector4 Color { get; set; } = ColorHelper.GetColor(2);
     public string Description { get; set; } = string.Empty;
+    public bool IsPinned { get; set; } = false;
 }

AetherBags/Inventory/InventoryNotificationState.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using Lumina.Excel;
 using Lumina.Excel.Sheets;
 using Lumina.Text.ReadOnly;
 

AetherBags/Inventory/InventoryState.cs

@@ -1,10 +1,10 @@
 using AetherBags.Configuration;
+using AetherBags.Currency;
 using Dalamud.Game.Inventory;
+using Dalamud.Game.Inventory.InventoryEventArgTypes;
 using FFXIVClientStructs.FFXIV.Client.Game;
 using System.Collections.Generic;
 using System.Linq;
-using AetherBags.Currency;
-using CurrencyManager = FFXIVClientStructs.FFXIV.Client.Game.CurrencyManager;
 
 namespace AetherBags.Inventory;
 
@@ -21,6 +21,9 @@ public static unsafe class InventoryState
     private static readonly List<UserCategoryDefinition> UserCategoriesSortedScratch = new(capacity: 64);
     private static readonly List<ulong> RemoveKeysScratch = new(capacity:  256);
     private static readonly HashSet<ulong> ClaimedKeys = new(capacity: 512);
+    private static readonly List<LootedItemInfo>? LootedItems = new(capacity: 512);
+
+    public static bool TrackLootedItems = false;
 
     public static bool Contains(this IReadOnlyCollection<InventoryType> inventoryTypes, GameInventoryType type)
         => inventoryTypes.Contains((InventoryType)type);
@@ -135,6 +138,38 @@ public static unsafe class InventoryState
     public static InventoryContainer* GetInventoryContainer(InventoryType inventoryType)
         => InventoryScanner.GetInventoryContainer(inventoryType);
 
+    internal static void OnRawItemAdded(IReadOnlyCollection<InventoryEventArgs> events)
+    {
+        if (!TrackLootedItems) return;
+
+        bool updateRequested = false;
+
+        foreach (var eventData in events)
+        {
+            if (!StandardInventories.Contains(eventData.Item.ContainerType)) continue;
+
+            if (!Services.ClientState.IsLoggedIn) return;
+            if (eventData is not (InventoryItemAddedArgs or InventoryItemChangedArgs)) return;
+            if (eventData is InventoryItemChangedArgs changedArgs && changedArgs.OldItemState.Quantity >= changedArgs.Item.Quantity) return;
+
+            var inventoryItem = (InventoryItem*)eventData.Item.Address;
+            var changeAmount = eventData is InventoryItemChangedArgs changed ? changed.Item.Quantity - changed.OldItemState.Quantity : eventData.Item.Quantity;
+
+            LootedItems?.Add(new LootedItemInfo(
+                LootedItems.Count,
+                *inventoryItem,
+                changeAmount)
+            );
+
+            updateRequested = true;
+        }
+
+        if (updateRequested)
+        {
+            System.AddonInventoryWindow?.UpdateLootedCategory(LootedItems ?? []);
+        }
+    }
+
     private static void ClearAll()
     {
         AggByKey.Clear();
@@ -152,5 +187,6 @@ public static unsafe class InventoryState
         FilteredCategories.Clear();
         RemoveKeysScratch.Clear();
         ClaimedKeys.Clear();
+        LootedItems?.Clear();
     }
 }

AetherBags/Inventory/ItemInfo.cs

@@ -1,11 +1,9 @@
-using AetherBags.Extensions;
 using FFXIVClientStructs.FFXIV.Client.Game;
 using Lumina.Excel;
 using Lumina.Excel.Sheets;
 using System;
 using System.Numerics;
 using System.Text.RegularExpressions;
-using FFXIVClientStructs.FFXIV.Client.UI.Misc;
 
 namespace AetherBags.Inventory;
 

AetherBags/Inventory/LootedItemInfo.cs

@@ -0,0 +1,5 @@
+using FFXIVClientStructs.FFXIV.Client.Game;
+
+namespace AetherBags.Inventory;
+
+public record LootedItemInfo(int Index, InventoryItem Item, int Quantity);

AetherBags/Inventory/UserCategoryMatcher.cs

@@ -1,6 +1,5 @@
 using AetherBags.Configuration;
 using System;
-using System.Collections.Generic;
 using System.Text.RegularExpressions;
 
 namespace AetherBags.Inventory;

AetherBags/Nodes/Color/ColorPreviewButtonNode.cs

@@ -1,7 +1,5 @@
 using System.Numerics;
-using Dalamud.Game.Addon.Events.EventDataTypes;
 using KamiToolKit.Nodes;
-using ColorPreviewNode = AetherBags.Nodes.Color.ColorPreviewNode;
 
 namespace AetherBags.Nodes.Color;
 

AetherBags/Nodes/Configuration/Category/CategoryConfigurationNode.cs

@@ -1,7 +1,5 @@
 using System;
-using System.Numerics;
 using AetherBags.Addons;
-using AetherBags.Configuration;
 using KamiToolKit.Nodes;
 using KamiToolKit.Premade.Nodes;
 

AetherBags/Nodes/Configuration/Category/CategoryDefinitionConfigurationNode.cs

@@ -17,6 +17,7 @@ namespace AetherBags.Nodes.Configuration.Category;
 public sealed class CategoryDefinitionConfigurationNode : VerticalListNode
 {
     private readonly CheckboxNode _enabledCheckbox;
+    private readonly CheckboxNode _pinnedCheckbox;
     private readonly TextInputNode _nameInputNode;
     private readonly TextInputNode _descriptionInputNode;
     private readonly ColorInputRow _colorInputNode;
@@ -98,6 +99,20 @@ public sealed class CategoryDefinitionConfigurationNode : VerticalListNode
         };
         AddNode(_enabledCheckbox);
 
+        _pinnedCheckbox = new CheckboxNode
+        {
+            Size = new Vector2(200, 20),
+            String = "Pinned",
+            IsChecked = CategoryDefinition.Pinned,
+            OnClick = isChecked =>
+            {
+                CategoryDefinition.Pinned = isChecked;
+                NotifyChanged();
+                NotifyCategoryPropertyChanged();
+            },
+        };
+        AddNode(_pinnedCheckbox);
+
         AddNode(new LabelTextNode
         {
             TextFlags = TextFlags.AutoAdjustNodeSize,
@@ -471,6 +486,7 @@ public sealed class CategoryDefinitionConfigurationNode : VerticalListNode
         if (! _isInitialized) return;
 
         _enabledCheckbox.IsChecked = CategoryDefinition.Enabled;
+        _pinnedCheckbox.IsChecked = CategoryDefinition.Pinned;
         _colorInputNode.CurrentColor = CategoryDefinition.Color;
         _nameInputNode.String = CategoryDefinition.Name;
         _descriptionInputNode.String = CategoryDefinition.Description;

AetherBags/Nodes/Configuration/General/GeneralScrollingAreaNode.cs

@@ -1,9 +1,6 @@
-using System;
-using System.Linq;
 using System.Numerics;
 using AetherBags.Configuration;
 using AetherBags.Nodes.Configuration.Layout;
-using FFXIVClientStructs.FFXIV.Component.GUI;
 using KamiToolKit.Nodes;
 
 namespace AetherBags.Nodes.Configuration.General;

AetherBags/Nodes/Configuration/Layout/LayoutConfigurationNode.cs

@@ -1,7 +1,6 @@
 using System.Numerics;
 using AetherBags.Configuration;
 using KamiToolKit.Nodes;
-using KamiToolKit.Classes;
 
 namespace AetherBags.Nodes.Configuration.Layout;
 
@@ -40,7 +39,7 @@ internal class LayoutConfigurationNode : TabbedVerticalListNode
 
         var compactPackingCheckboxNode = new CheckboxNode
         {
-            Size = Size with { Y = 18 },
+            Height = 18,
             IsVisible = true,
             String = "Use Compact Packing",
             IsChecked = config.CompactPackingEnabled,
@@ -58,7 +57,7 @@ internal class LayoutConfigurationNode : TabbedVerticalListNode
         AddTab(1);
         _preferLargestFitCheckboxNode = new CheckboxNode
         {
-            Size = Size with { Y = 18 },
+            Height = 18,
             IsVisible = true,
             String = "Prefer Largest Fit",
             IsEnabled = config.CompactPackingEnabled,
@@ -73,7 +72,7 @@ internal class LayoutConfigurationNode : TabbedVerticalListNode
 
         _useStableInsertCheckboxNode = new CheckboxNode
         {
-            Size = Size with { Y = 18 },
+            Height = 18,
             IsVisible = true,
             String = "Use Stable Insert",
             IsEnabled = config.CompactPackingEnabled,

AetherBags/Nodes/DragDropNode.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Numerics;
-using AetherBags.Extensions;
 using AetherBags.Interop;
 using FFXIVClientStructs.FFXIV.Client.Enums;
 using FFXIVClientStructs.FFXIV.Client.UI;
@@ -9,7 +8,6 @@ using FFXIVClientStructs.FFXIV.Component.GUI;
 using KamiToolKit.Classes;
 using KamiToolKit.Classes.Timelines;
 using KamiToolKit.Nodes;
-using Lumina.Text.ReadOnly;
 
 namespace AetherBags.Nodes;
 

AetherBags/Nodes/Inventory/InventoryCategoryNode.cs

@@ -1,12 +1,10 @@
 using System;
 using System.Numerics;
-using AetherBags.Extensions;
 using AetherBags.Helpers;
 using AetherBags.Inventory;
 using AetherBags.Nodes.Layout;
 using FFXIVClientStructs.FFXIV.Client.Game;
 using FFXIVClientStructs.FFXIV.Client.UI;
-using FFXIVClientStructs.FFXIV.Client.UI.Misc;
 using FFXIVClientStructs.FFXIV.Component.GUI;
 using KamiToolKit.Classes;
 using KamiToolKit.Nodes;
@@ -107,6 +105,8 @@ public class InventoryCategoryNode : SimpleComponentNode
         }
     }
 
+    public bool IsPinnedInConfig => CategorizedInventory.Category?.IsPinned ?? false;
+
     public void BeginHeaderHover()
     {
         _hoverRefs++;

AetherBags/Nodes/Inventory/InventoryCategoryPinCoordinator.cs

@@ -0,0 +1,45 @@
+using AetherBags.Nodes.Layout;
+
+namespace AetherBags.Nodes.Inventory;
+
+public sealed class InventoryCategoryPinCoordinator
+{
+    public bool ApplyPinnedStates(WrappingGridNode<InventoryCategoryNode> grid)
+    {
+        bool changed = false;
+
+        using (grid.DeferRecalculateLayout())
+        {
+            foreach (var node in grid.GetNodes<InventoryCategoryNode>())
+            {
+                bool shouldBePinned = node.IsPinnedInConfig;
+
+                bool isPinned = grid.IsPinned(node);
+
+                if (shouldBePinned)
+                {
+                    if (!isPinned)
+                    {
+                        grid.PinNode(node);
+                        changed = true;
+                    }
+                }
+                else
+                {
+                    if (isPinned)
+                    {
+                        grid.UnpinNode(node);
+                        changed = true;
+                    }
+                }
+            }
+        }
+
+        return changed;
+    }
+
+    public bool PrunePinnedNotInGrid(WrappingGridNode<InventoryCategoryNode> grid)
+    {
+        return false;
+    }
+}

AetherBags/Nodes/Layout/WrappingGridNode.cs

@@ -1,9 +1,9 @@
+using KamiToolKit;
+using KamiToolKit.Nodes;
 using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
-using KamiToolKit;
-using KamiToolKit.Nodes;
 
 namespace AetherBags.Nodes.Layout;
 
@@ -36,8 +36,18 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
     private bool _lastuseStableInsert;
     private int _lastCompactLookahead;
 
+    private int _deferRecalcDepth;
+    private bool _pendingRecalc;
+
     private int[] _orderScratch = Array.Empty<int>();
 
+    private T? _hoistedNode;
+    private readonly HashSet<T> _pinned = new(ReferenceEqualityComparer<T>.Instance);
+
+    private readonly List<NodeBase> _layoutOrder = new(capacity: 256);
+    private readonly List<NodeBase> _pinnedScratch = new(capacity: 64);
+    private readonly List<NodeBase> _normalScratch = new(capacity: 256);
+
     public WrappingGridNode()
     {
         _rowsView = new RowsReadOnlyView(_rows);
@@ -45,13 +55,61 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
 
     public IReadOnlyList<IReadOnlyList<NodeBase>> Rows => _rowsView;
 
+    public T? HoistedNode => _hoistedNode;
+
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     public bool TryGetRowIndex(NodeBase node, out int rowIndex) => _rowIndex.TryGetValue(node, out rowIndex);
 
+    public void SetHoistedNode(T? node)
+    {
+        if (ReferenceEquals(_hoistedNode, node))
+            return;
+
+        _hoistedNode = node;
+
+        if (node is not null)
+        {
+            if (!NodeList.Contains(node))
+                AddNode(node);
+        }
+
+        RecalculateLayout();
+    }
+
+    public bool PinNode(T node)
+    {
+        if (_pinned.Add(node))
+        {
+            RequestRecalculateLayout();
+            return true;
+        }
+        return false;
+    }
+
+    public bool UnpinNode(T node)
+    {
+        if (_pinned.Remove(node))
+        {
+            RequestRecalculateLayout();
+            return true;
+        }
+        return false;
+    }
+
+    public void ClearPinned()
+    {
+        if (_pinned.Count == 0) return;
+        _pinned.Clear();
+        RequestRecalculateLayout();
+    }
+
+    public bool IsPinned(T node) => _pinned.Contains(node);
+
     protected override void InternalRecalculateLayout()
     {
-        int count = NodeList.Count;
+        int layoutCount = BuildLayoutOrder(out int hoistedCount, out int pinnedCount);
-        if (count == 0)
+
+        if (layoutCount == 0)
         {
             RecycleAllRows();
             _rowIndex.Clear();
@@ -61,9 +119,20 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
             return;
         }
 
-        if (System.Config.General.CompactPackingEnabled)
+        bool hasSpecials = hoistedCount != 0 || pinnedCount != 0;
+        bool compactEnabled = System.Config.General.CompactPackingEnabled;
+
+        if (compactEnabled)
         {
-            if (_rows.Count != 0 && LayoutParamsMatchLast() && NodeSetMatchesExistingLayout(count))
+            if (hasSpecials)
+            {
+                FullReflowCompactSections(layoutCount, hoistedCount, pinnedCount);
+                _requiredHeightDirty = true;
+                RememberLayoutParams();
+                return;
+            }
+
+            if (_rows.Count != 0 && LayoutParamsMatchLast() && NodeSetMatchesExistingLayout(layoutCount))
             {
                 RepositionExistingRows();
                 _requiredHeightDirty = true;
@@ -71,44 +140,108 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
                 return;
             }
 
-            FullReflowCompact(count);
+            FullReflowCompact(layoutCount);
             _requiredHeightDirty = true;
             RememberLayoutParams();
             return;
         }
 
-        if (_rows.Count != 0 && TryUpdateLayoutWithoutReflowOrTailReflow(count))
+        if (_rows.Count != 0 &&
+            NodeSetMatchesExistingLayout(layoutCount) &&
+            TryUpdateLayoutWithoutReflowOrTailReflow(layoutCount, hoistedCount, pinnedCount))
         {
             _requiredHeightDirty = true;
             RememberLayoutParams();
             return;
         }
 
-        FullReflow(count);
+        FullReflowOrdered(layoutCount, hoistedCount, pinnedCount);
         _requiredHeightDirty = true;
         RememberLayoutParams();
     }
 
-    private bool NodeSetMatchesExistingLayout(int count)
+    private int BuildLayoutOrder(out int hoistedCount, out int pinnedCount)
     {
-        if (_rowIndex.Count != count)
+        _layoutOrder.Clear();
+        _pinnedScratch.Clear();
+        _normalScratch.Clear();
+
+        int nodeCount = NodeList.Count;
+        if (nodeCount == 0)
+        {
+            _hoistedNode = null;
+            if (_pinned.Count != 0) _pinned.Clear();
+
+            hoistedCount = 0;
+            pinnedCount = 0;
+            return 0;
+        }
+
+        var present = new HashSet<T>(ReferenceEqualityComparer<T>.Instance);
+
+        bool hoistedPresent = false;
+        T? hoisted = _hoistedNode;
+
+        for (int i = 0; i < nodeCount; i++)
+        {
+            if (NodeList[i] is not T node)
+                continue;
+
+            present.Add(node);
+
+            if (hoisted != null && ReferenceEquals(node, hoisted))
+            {
+                hoistedPresent = true;
+                continue;
+            }
+
+            if (_pinned.Contains(node))
+                _pinnedScratch.Add(node);
+            else
+                _normalScratch.Add(node);
+        }
+
+        if (_pinned.Count != 0)
+            _pinned.RemoveWhere(n => !present.Contains(n));
+
+        if (hoisted != null && !hoistedPresent)
+            _hoistedNode = null;
+
+        if (hoistedPresent && hoisted != null)
+            _layoutOrder.Add(hoisted);
+
+        for (int i = 0; i < _pinnedScratch.Count; i++)
+            _layoutOrder.Add(_pinnedScratch[i]);
+
+        for (int i = 0; i < _normalScratch.Count; i++)
+            _layoutOrder.Add(_normalScratch[i]);
+
+        hoistedCount = (hoistedPresent && hoisted != null) ? 1 : 0;
+        pinnedCount = _pinnedScratch.Count;
+        return _layoutOrder.Count;
+    }
+
+
+    private bool NodeSetMatchesExistingLayout(int layoutCount)
+    {
+        if (_rowIndex.Count != layoutCount)
             return false;
 
-        for (int i = 0; i < count; i++)
+        for (int i = 0; i < layoutCount; i++)
         {
-            if (!_rowIndex.ContainsKey(NodeList[i]))
+            if (!_rowIndex.ContainsKey(_layoutOrder[i]))
                 return false;
         }
 
         return true;
     }
 
-    private bool TryUpdateLayoutWithoutReflowOrTailReflow(int count)
+    private bool TryUpdateLayoutWithoutReflowOrTailReflow(int layoutCount, int hoistedCount, int pinnedCount)
     {
         if (!LayoutParamsMatchLast())
             return false;
 
-        int mismatchRow = FindFirstMismatchRow(count, out int mismatchNodeIndex);
+        int mismatchRow = FindFirstMismatchRow(layoutCount, hoistedCount, pinnedCount, out int mismatchNodeIndex);
 
         if (mismatchRow < 0)
         {
@@ -116,20 +249,22 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
             return true;
         }
 
-        TailReflowFrom(mismatchRow, mismatchNodeIndex, count);
+        TailReflowFrom(mismatchRow, mismatchNodeIndex, layoutCount, hoistedCount, pinnedCount);
         return true;
     }
 
-    private int FindFirstMismatchRow(int count, out int mismatchNodeIndex)
+    private int FindFirstMismatchRow(int layoutCount, int hoistedCount, int pinnedCount, out int mismatchNodeIndex)
     {
         float availableWidth = Width;
         float hSpace = HorizontalSpacing;
         float startX = FirstItemSpacing;
 
+        int normalStart = hoistedCount + pinnedCount;
+
         int rowIdx = 0;
         int nodeIdx = 0;
 
-        while (nodeIdx < count)
+        while (nodeIdx < layoutCount)
         {
             if (rowIdx >= _rows.Count)
             {
@@ -146,19 +281,33 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
                 return rowIdx;
             }
 
-            int predictedCount = 0;
+            int predictedCount;
-            float currentX = startX;
 
-            while (nodeIdx + predictedCount < count)
+            if (hoistedCount != 0 && nodeIdx == 0)
             {
-                NodeBase node = NodeList[nodeIdx + predictedCount];
+                predictedCount = 1;
-                float w = node.Width;
+            }
+            else
+            {
+                int sectionEnd = nodeIdx < normalStart ? normalStart : layoutCount;
 
-                if (predictedCount != 0 && (currentX + w) > availableWidth)
+                predictedCount = 0;
-                    break;
+                float currentX = startX;
 
-                predictedCount++;
+                while (nodeIdx + predictedCount < sectionEnd)
-                currentX += w + hSpace;
+                {
+                    NodeBase node = _layoutOrder[nodeIdx + predictedCount];
+                    float w = node.Width;
+
+                    if (predictedCount != 0 && (currentX + w) > availableWidth)
+                        break;
+
+                    predictedCount++;
+                    currentX += w + hSpace;
+                }
+
+                if (predictedCount == 0 && nodeIdx < sectionEnd)
+                    predictedCount = 1;
             }
 
             if (predictedCount != existingRowCount)
@@ -169,7 +318,7 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
 
             for (int j = 0; j < existingRowCount; j++)
             {
-                if (!ReferenceEquals(existingRow[j], NodeList[nodeIdx + j]))
+                if (!ReferenceEquals(existingRow[j], _layoutOrder[nodeIdx + j]))
                 {
                     mismatchNodeIndex = nodeIdx;
                     return rowIdx;
@@ -193,7 +342,7 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
     private void RepositionExistingRows()
     {
         _rowIndex.Clear();
-        _rowIndex.EnsureCapacity(NodeList.Count);
+        _rowIndex.EnsureCapacity(_layoutOrder.Count);
 
         float hSpace = HorizontalSpacing;
         float vSpace = VerticalSpacing;
@@ -228,10 +377,10 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
         }
     }
 
-    private void TailReflowFrom(int startRowIndex, int startNodeIndex, int count)
+    private void TailReflowFrom(int startRowIndex, int startNodeIndex, int layoutCount, int hoistedCount, int pinnedCount)
     {
         _rowIndex.Clear();
-        _rowIndex.EnsureCapacity(count);
+        _rowIndex.EnsureCapacity(layoutCount);
 
         float availableWidth = Width;
         float hSpace = HorizontalSpacing;
@@ -277,109 +426,359 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
             _rows.RemoveAt(i);
         }
 
-        int currentRowIndex = startRowIndex;
+        int normalStart = hoistedCount + pinnedCount;
-        float xCursor = startX;
-        float rowHeightTail = 0f;
 
-        List<NodeBase> currentRow = RentRowList(capacityHint: 8);
+        int rowIndex = startRowIndex;
+        int idx = startNodeIndex;
 
-        for (int i = startNodeIndex; i < count; i++)
+        while (idx < layoutCount)
         {
-            NodeBase node = NodeList[i];
+            List<NodeBase> row = RentRowList(capacityHint: 8);
-            float w = node.Width;
 
-            if (currentRow.Count != 0 && (xCursor + w) > availableWidth)
+            float x = startX;
+            float rowHeight = 0f;
+
+            if (hoistedCount != 0 && idx == 0)
             {
-                _rows.Add(currentRow);
+                NodeBase node = _layoutOrder[0];
-                currentRowIndex++;
 
-                y += rowHeightTail + vSpace;
+                node.X = x;
-                xCursor = startX;
+                node.Y = y;
-                rowHeightTail = 0f;
 
-                currentRow = RentRowList(capacityHint: 8);
+                AdjustNode(node);
+
+                rowHeight = node.Height;
+                row.Add(node);
+                _rowIndex[node] = rowIndex;
+
+                idx = 1;
+            }
+            else
+            {
+                int sectionEnd = idx < normalStart ? normalStart : layoutCount;
+
+                while (idx < sectionEnd)
+                {
+                    NodeBase node = _layoutOrder[idx];
+                    float w = node.Width;
+
+                    if (row.Count != 0 && (x + w) > availableWidth)
+                        break;
+
+                    node.X = x;
+                    node.Y = y;
+
+                    AdjustNode(node);
+
+                    float h = node.Height;
+                    if (h > rowHeight) rowHeight = h;
+
+                    row.Add(node);
+                    _rowIndex[node] = rowIndex;
+
+                    x += w + hSpace;
+                    idx++;
+                }
+
+                if (row.Count == 0 && idx < sectionEnd)
+                {
+                    NodeBase node = _layoutOrder[idx];
+
+                    node.X = startX;
+                    node.Y = y;
+
+                    AdjustNode(node);
+
+                    rowHeight = node.Height;
+
+                    row.Add(node);
+                    _rowIndex[node] = rowIndex;
+
+                    idx++;
+                }
             }
 
-            node.X = xCursor;
+            if (row.Count != 0)
-            node.Y = y;
+            {
-
+                _rows.Add(row);
-            AdjustNode(node);
+                rowIndex++;
-
+                y += rowHeight + vSpace;
-            float h = node.Height;
+            }
-            if (h > rowHeightTail) rowHeightTail = h;
+            else
-
+            {
-            currentRow.Add(node);
+                RecycleRow(row);
-            _rowIndex[node] = currentRowIndex;
+                break;
-
+            }
-            xCursor += w + hSpace;
-        }
-
-        if (currentRow.Count != 0)
-        {
-            _rows.Add(currentRow);
-        }
-        else
-        {
-            RecycleRow(currentRow);
         }
     }
 
-    private void FullReflow(int count)
+    private void FullReflowOrdered(int layoutCount, int hoistedCount, int pinnedCount)
     {
         RecycleAllRows();
         _rowIndex.Clear();
-        _rowIndex.EnsureCapacity(count);
+        _rowIndex.EnsureCapacity(layoutCount);
 
         float availableWidth = Width;
         float hSpace = HorizontalSpacing;
         float vSpace = VerticalSpacing;
         float startX = FirstItemSpacing;
 
-        float currentX = startX;
+        float y = TopPadding;
-        float currentY = TopPadding;
-        float rowHeight = 0f;
 
-        int currentRowIndex = 0;
+        int normalStart = hoistedCount + pinnedCount;
-        List<NodeBase> currentRow = RentRowList(capacityHint: 8);
 
-        for (int i = 0; i < count; i++)
+        int rowIdx = 0;
+        int idx = 0;
+
+        while (idx < layoutCount)
         {
-            NodeBase node = NodeList[i];
+            List<NodeBase> row = RentRowList(capacityHint: 8);
-            float nodeWidth = node.Width;
 
-            if (currentRow.Count != 0 && (currentX + nodeWidth) > availableWidth)
+            float x = startX;
+            float rowHeight = 0f;
+
+            if (hoistedCount != 0 && idx == 0)
             {
-                _rows.Add(currentRow);
+                NodeBase node = _layoutOrder[0];
-                currentRowIndex++;
 
-                currentY += rowHeight + vSpace;
+                node.X = x;
-                currentX = startX;
+                node.Y = y;
-                rowHeight = 0f;
 
-                currentRow = RentRowList(capacityHint: 8);
+                AdjustNode(node);
+
+                rowHeight = node.Height;
+
+                row.Add(node);
+                _rowIndex[node] = rowIdx;
+
+                idx = 1;
+            }
+            else
+            {
+                int sectionEnd = idx < normalStart ? normalStart : layoutCount;
+
+                while (idx < sectionEnd)
+                {
+                    NodeBase node = _layoutOrder[idx];
+                    float w = node.Width;
+
+                    if (row.Count != 0 && (x + w) > availableWidth)
+                        break;
+
+                    node.X = x;
+                    node.Y = y;
+
+                    AdjustNode(node);
+
+                    float h = node.Height;
+                    if (h > rowHeight) rowHeight = h;
+
+                    row.Add(node);
+                    _rowIndex[node] = rowIdx;
+
+                    x += w + hSpace;
+                    idx++;
+                }
+
+                if (row.Count == 0 && idx < sectionEnd)
+                {
+                    NodeBase node = _layoutOrder[idx];
+
+                    node.X = startX;
+                    node.Y = y;
+
+                    AdjustNode(node);
+
+                    rowHeight = node.Height;
+
+                    row.Add(node);
+                    _rowIndex[node] = rowIdx;
+
+                    idx++;
+                }
             }
 
-            node.X = currentX;
+            if (row.Count != 0)
-            node.Y = currentY;
+            {
+                _rows.Add(row);
+                rowIdx++;
+                y += rowHeight + vSpace;
+            }
+            else
+            {
+                RecycleRow(row);
+                break;
+            }
+        }
+    }
+
+    private void FullReflowCompactSections(int layoutCount, int hoistedCount, int pinnedCount)
+    {
+        RecycleAllRows();
+        _rowIndex.Clear();
+        _rowIndex.EnsureCapacity(layoutCount);
+
+        float vSpace = VerticalSpacing;
+        float y = TopPadding;
+
+        int rowIdx = 0;
+        int idx = 0;
+
+        if (hoistedCount != 0)
+        {
+            NodeBase node = _layoutOrder[0];
+            List<NodeBase> row = RentRowList(capacityHint: 1);
+
+            node.X = FirstItemSpacing;
+            node.Y = y;
 
             AdjustNode(node);
 
-            float nodeHeight = node.Height;
+            row.Add(node);
-            if (nodeHeight > rowHeight) rowHeight = nodeHeight;
+            _rowIndex[node] = rowIdx;
 
-            currentRow.Add(node);
+            _rows.Add(row);
-            _rowIndex[node] = currentRowIndex;
 
-            currentX += nodeWidth + hSpace;
+            y += node.Height + vSpace;
+            rowIdx++;
+            idx = 1;
         }
 
-        if (currentRow.Count != 0)
+        int pinnedStart = idx;
+        int pinnedEnd = pinnedStart + pinnedCount;
+        if (pinnedCount > 0)
         {
-            _rows.Add(currentRow);
+            PackSectionCompact(pinnedStart, pinnedEnd, ref y, ref rowIdx);
+            idx = pinnedEnd;
         }
-        else
+
+        if (idx < layoutCount)
         {
-            RecycleRow(currentRow);
+            PackSectionCompact(idx, layoutCount, ref y, ref rowIdx);
+        }
+    }
+
+    private void PackSectionCompact(int startIndex, int endIndex, ref float y, ref int rowIdx)
+    {
+        int sectionCount = endIndex - startIndex;
+        if (sectionCount <= 0)
+            return;
+
+        float availableWidth = Width;
+        float hSpace = HorizontalSpacing;
+        float vSpace = VerticalSpacing;
+        float startX = FirstItemSpacing;
+
+        EnsureOrderScratch(sectionCount);
+        for (int i = 0; i < sectionCount; i++)
+            _orderScratch[i] = i;
+
+        int lookahead = System.Config.General.CompactLookahead;
+        if (lookahead < 0) lookahead = 0;
+
+        int p = 0;
+
+        while (p < sectionCount)
+        {
+            List<NodeBase> row = RentRowList(capacityHint: 8);
+
+            float x = startX;
+            float rowHeight = 0f;
+
+            while (p < sectionCount)
+            {
+                int localIdx = _orderScratch[p];
+                NodeBase node = _layoutOrder[startIndex + localIdx];
+                float w = node.Width;
+
+                if (row.Count == 0 || (x + w) <= availableWidth)
+                {
+                    node.X = x;
+                    node.Y = y;
+
+                    AdjustNode(node);
+
+                    float h = node.Height;
+                    if (h > rowHeight) rowHeight = h;
+
+                    row.Add(node);
+                    _rowIndex[node] = rowIdx;
+
+                    x += w + hSpace;
+                    p++;
+                    continue;
+                }
+
+                int bestPos = -1;
+                float bestWidth = 0f;
+
+                int end = p + lookahead;
+                if (end >= sectionCount) end = sectionCount - 1;
+
+                for (int s = p + 1; s <= end; s++)
+                {
+                    int candLocalIdx = _orderScratch[s];
+                    NodeBase cand = _layoutOrder[startIndex + candLocalIdx];
+                    float cw = cand.Width;
+
+                    if ((x + cw) <= availableWidth)
+                    {
+                        if (!System.Config.General.CompactPreferLargestFit)
+                        {
+                            bestPos = s;
+                            break;
+                        }
+
+                        if (cw > bestWidth)
+                        {
+                            bestWidth = cw;
+                            bestPos = s;
+                        }
+                    }
+                }
+
+                if (bestPos < 0)
+                    break;
+
+                if (bestPos != p)
+                {
+                    int chosen = _orderScratch[bestPos];
+
+                    if (System.Config.General.CompactStableInsert)
+                    {
+                        Array.Copy(_orderScratch, p, _orderScratch, p + 1, bestPos - p);
+                        _orderScratch[p] = chosen;
+                    }
+                    else
+                    {
+                        _orderScratch[bestPos] = _orderScratch[p];
+                        _orderScratch[p] = chosen;
+                    }
+                }
+            }
+
+            if (row.Count == 0)
+            {
+                int localIdx = _orderScratch[p];
+                NodeBase node = _layoutOrder[startIndex + localIdx];
+
+                node.X = startX;
+                node.Y = y;
+
+                AdjustNode(node);
+
+                rowHeight = node.Height;
+
+                row.Add(node);
+                _rowIndex[node] = rowIdx;
+
+                p++;
+            }
+
+            _rows.Add(row);
+            rowIdx++;
+
+            y += rowHeight + vSpace;
         }
     }
 
@@ -416,7 +815,7 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
             while (p < count)
             {
                 int idx = _orderScratch[p];
-                NodeBase node = NodeList[idx];
+                NodeBase node = _layoutOrder[idx];
                 float w = node.Width;
 
                 if (row.Count == 0 || (x + w) <= availableWidth)
@@ -446,7 +845,7 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
                 for (int s = p + 1; s <= end; s++)
                 {
                     int candIdx = _orderScratch[s];
-                    NodeBase cand = NodeList[candIdx];
+                    NodeBase cand = _layoutOrder[candIdx];
                     float cw = cand.Width;
 
                     if ((x + cw) <= availableWidth)
@@ -488,8 +887,7 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
             if (row.Count == 0)
             {
                 int idx = _orderScratch[p];
-                NodeBase node = NodeList[idx];
+                NodeBase node = _layoutOrder[idx];
-                float w = node.Width;
 
                 node.X = startX;
                 node.Y = y;
@@ -517,11 +915,11 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
         if (!_requiredHeightDirty) return _requiredHeight;
 
         float maxBottom = 0f;
-        int count = NodeList.Count;
+        int count = _layoutOrder.Count;
 
         for (int i = 0; i < count; i++)
         {
-            NodeBase node = NodeList[i];
+            NodeBase node = _layoutOrder[i];
             float bottom = node.Y + node.Height;
             if (bottom > maxBottom) maxBottom = bottom;
         }
@@ -615,6 +1013,34 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
         _orderScratch = new int[newSize];
     }
 
+    public IDisposable DeferRecalculateLayout()
+    {
+        _deferRecalcDepth++;
+        return new RecalcDeferToken<T>(this);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    private void RequestRecalculateLayout()
+    {
+        if (_deferRecalcDepth > 0)
+        {
+            _pendingRecalc = true;
+            return;
+        }
+
+        RecalculateLayout();
+    }
+
+    private void EndDefer()
+    {
+        _deferRecalcDepth--;
+        if (_deferRecalcDepth == 0 && _pendingRecalc)
+        {
+            _pendingRecalc = false;
+            RecalculateLayout();
+        }
+    }
+
     private sealed class RowsReadOnlyView : IReadOnlyList<IReadOnlyList<NodeBase>>
     {
         private readonly List<List<NodeBase>> _rows;
@@ -642,4 +1068,11 @@ public sealed class WrappingGridNode<T> : LayoutListNode where T : NodeBase
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public int GetHashCode(TRef obj) => RuntimeHelpers.GetHashCode(obj);
     }
+
+
+    private readonly struct RecalcDeferToken<TRef>(WrappingGridNode<TRef> owner) : IDisposable
+        where TRef : NodeBase
+    {
+        public void Dispose() => owner.EndDefer();
+    }
 }

AetherBags/Plugin.cs

@@ -1,14 +1,11 @@
-using System;
 using System.Numerics;
 using AetherBags.AddonLifecycles;
 using AetherBags.Addons;
 using AetherBags.Commands;
 using AetherBags.Helpers;
 using AetherBags.Hooks;
+using AetherBags.Inventory;
 using Dalamud.Plugin;
-using Dalamud.Game.Command;
-using Dalamud.Hooking;
-using FFXIVClientStructs.FFXIV.Client.Game;
 using KamiToolKit;
 
 namespace AetherBags;
@@ -50,6 +47,8 @@ public unsafe class Plugin : IDalamudPlugin
 
         _commandHandler = new CommandHandler();
 
+        Services.GameInventory.InventoryChanged += InventoryState.OnRawItemAdded;
+
         Services.ClientState.Login += OnLogin;
         Services.ClientState.Logout += OnLogout;
 
@@ -65,6 +64,8 @@ public unsafe class Plugin : IDalamudPlugin
     {
         Util.SaveConfig(System.Config);
 
+        Services.GameInventory.InventoryChanged -= InventoryState.OnRawItemAdded;
+
         Services.ClientState.Login -= OnLogin;
         Services.ClientState.Logout -= OnLogout;
 
@@ -82,16 +83,19 @@ public unsafe class Plugin : IDalamudPlugin
     private void OnLogin()
     {
         System.Config = Util.LoadConfigOrDefault();
+        InventoryState.TrackLootedItems = true;
 
-        #if DEBUG
+#if DEBUG
-            System.AddonInventoryWindow.Toggle();
+        System.AddonInventoryWindow.Toggle();
-            System.AddonConfigurationWindow.Toggle();
+        System.AddonConfigurationWindow.Toggle();
-        #endif
+#endif
     }
 
     private void OnLogout(int type, int code)
     {
         Util.SaveConfig(System.Config);
+        InventoryState.TrackLootedItems = false;
         System.AddonInventoryWindow.Close();
+        System.AddonConfigurationWindow.Close();
     }
 }

AetherBags/Services.cs

@@ -1,4 +1,3 @@
-using System.Diagnostics.CodeAnalysis;
 using Dalamud.IoC;
 using Dalamud.Plugin;
 using Dalamud.Plugin.Services;
@@ -15,6 +14,7 @@ public class Services
     [PluginService] public static IDalamudPluginInterface PluginInterface { get; private set; } = null!;
     [PluginService] public static IFramework Framework { get; private set; } = null!;
     [PluginService] public static IGameGui GameGui { get; private set; } = null!;
+    [PluginService] public static IGameInventory GameInventory { get; set; } = null!;
     [PluginService] public static IKeyState KeyState { get; private set; } = null!;
     [PluginService] public static IPluginLog Logger { get; private set; } = null!;
     [PluginService] public static INotificationManager NotificationManager { get; private set; } = null!;