Penumbra/Penumbra/UI/MenuTabs/TabResourceManager.cs

using System.Numerics;
using Dalamud.Interface;
using FFXIVClientStructs.FFXIV.Client.System.Resource;
using FFXIVClientStructs.FFXIV.Client.System.Resource.Handle;
using FFXIVClientStructs.STD;
using ImGuiNET;
using Penumbra.UI.Custom;

namespace Penumbra.UI;

public partial class SettingsInterface
{
    private static string GetNodeLabel( uint label, uint type, ulong count )
    {
        var byte1 = type >> 24;
        var byte2 = ( type >> 16 ) & 0xFF;
        var byte3 = ( type >> 8 )  & 0xFF;
        var byte4 = type           & 0xFF;
        return byte1 == 0
            ? $"({type:X8}) {( char )byte2}{( char )byte3}{( char )byte4} - {count}###{label}{type}Debug"
            : $"({type:X8}) {( char )byte1}{( char )byte2}{( char )byte3}{( char )byte4} - {count}###{label}{type}Debug";
    }

    private unsafe void DrawResourceMap( string label, StdMap< uint, Pointer< ResourceHandle > >* typeMap )
    {
        if( typeMap == null || !ImGui.TreeNodeEx( label ) )
        {
            return;
        }

        using var raii = ImGuiRaii.DeferredEnd( ImGui.TreePop );

        if( typeMap->Count == 0 || !ImGui.BeginTable( $"##{label}_table", 4, ImGuiTableFlags.SizingFixedFit | ImGuiTableFlags.RowBg ) )
        {
            return;
        }

        raii.Push( ImGui.EndTable );

        ImGui.TableSetupColumn( "Hash", ImGuiTableColumnFlags.WidthFixed, 100 * ImGuiHelpers.GlobalScale );
        ImGui.TableSetupColumn( "Ptr", ImGuiTableColumnFlags.WidthFixed, 100  * ImGuiHelpers.GlobalScale );
        ImGui.TableSetupColumn( "Path", ImGuiTableColumnFlags.WidthFixed,
            ImGui.GetWindowContentRegionWidth() - 300 * ImGuiHelpers.GlobalScale );
        ImGui.TableSetupColumn( "Refs", ImGuiTableColumnFlags.WidthFixed, 30 * ImGuiHelpers.GlobalScale );
        ImGui.TableHeadersRow();

        var node = typeMap->SmallestValue;
        while( !node->IsNil )
        {
            ImGui.TableNextRow();
            ImGui.TableNextColumn();
            ImGui.Text( $"0x{node->KeyValuePair.Item1:X8}" );
            ImGui.TableNextColumn();
            var address = $"0x{( ulong )node->KeyValuePair.Item2.Value:X}";
            ImGui.Text( address );
            if( ImGui.IsItemClicked() )
            {
                ImGui.SetClipboardText( address );
            }

            ImGui.TableNextColumn();
            ImGui.Text( node->KeyValuePair.Item2.Value->FileName.ToString() );
            ImGui.TableNextColumn();
            ImGui.Text( node->KeyValuePair.Item2.Value->RefCount.ToString() );
            node = node->Next();
        }
    }

    private unsafe void DrawCategoryContainer( ResourceCategory category, ResourceGraph.CategoryContainer container )
    {
        var map = container.MainMap;
        if( map == null || !ImGui.TreeNodeEx( $"({( uint )category:D2}) {category} - {map->Count}###{( uint )category}Debug" ) )
        {
            return;
        }

        using var raii = ImGuiRaii.DeferredEnd( ImGui.TreePop );

        var node = map->SmallestValue;
        while( !node->IsNil )
        {
            DrawResourceMap( GetNodeLabel( ( uint )category, node->KeyValuePair.Item1, node->KeyValuePair.Item2.Value->Count ),
                node->KeyValuePair.Item2.Value );
            node = node->Next();
        }
    }

    private unsafe void DrawResourceManagerTab()
    {
        if( !ImGui.BeginTabItem( "Resource Manager Tab" ) )
        {
            return;
        }

        using var raii = ImGuiRaii.DeferredEnd( ImGui.EndTabItem );

        var resourceHandler = *( ResourceManager** )( Dalamud.SigScanner.Module.BaseAddress + 0x1D93AC0 );

        if( resourceHandler == null )
        {
            return;
        }

        raii.Push( ImGui.EndChild );
        if( !ImGui.BeginChild( "##ResourceManagerChild", -Vector2.One, true ) )
        {
            return;
        }

        DrawCategoryContainer( ResourceCategory.Common, resourceHandler->ResourceGraph->CommonContainer );
        DrawCategoryContainer( ResourceCategory.BgCommon, resourceHandler->ResourceGraph->BgCommonContainer );
        DrawCategoryContainer( ResourceCategory.Bg, resourceHandler->ResourceGraph->BgContainer );
        DrawCategoryContainer( ResourceCategory.Cut, resourceHandler->ResourceGraph->CutContainer );
        DrawCategoryContainer( ResourceCategory.Chara, resourceHandler->ResourceGraph->CharaContainer );
        DrawCategoryContainer( ResourceCategory.Shader, resourceHandler->ResourceGraph->ShaderContainer );
        DrawCategoryContainer( ResourceCategory.Ui, resourceHandler->ResourceGraph->UiContainer );
        DrawCategoryContainer( ResourceCategory.Sound, resourceHandler->ResourceGraph->SoundContainer );
        DrawCategoryContainer( ResourceCategory.Vfx, resourceHandler->ResourceGraph->VfxContainer );
        DrawCategoryContainer( ResourceCategory.UiScript, resourceHandler->ResourceGraph->UiScriptContainer );
        DrawCategoryContainer( ResourceCategory.Exd, resourceHandler->ResourceGraph->ExdContainer );
        DrawCategoryContainer( ResourceCategory.GameScript, resourceHandler->ResourceGraph->GameScriptContainer );
        DrawCategoryContainer( ResourceCategory.Music, resourceHandler->ResourceGraph->MusicContainer );
        DrawCategoryContainer( ResourceCategory.SqpackTest, resourceHandler->ResourceGraph->SqpackTestContainer );
        DrawCategoryContainer( ResourceCategory.Debug, resourceHandler->ResourceGraph->DebugContainer );
    }
}