Move some stuff to shared things, improve some filesystem rename handling.

Penumbra.GameData/Data/HumanModelList.cs

@@ -0,0 +1,44 @@
+using System.Collections;
+using System.Linq;
+using Dalamud;
+using Dalamud.Data;
+using Dalamud.Plugin;
+using FFXIVClientStructs.FFXIV.Client.Graphics.Scene;
+using Lumina.Excel.GeneratedSheets;
+
+namespace Penumbra.GameData.Data;
+
+public sealed class HumanModelList : DataSharer
+{
+    public const string Tag     = "HumanModels";
+    public const int    CurrentVersion = 1;
+
+    private readonly BitArray _humanModels;
+
+    public HumanModelList(DalamudPluginInterface pluginInterface, DataManager gameData)
+        : base(pluginInterface, ClientLanguage.English, CurrentVersion)
+    {
+        _humanModels = TryCatchData(Tag, () => GetValidHumanModels(gameData));
+    }
+
+    public bool IsHuman(uint modelId)
+        => modelId < _humanModels.Count && _humanModels[(int)modelId];
+
+    protected override void DisposeInternal()
+    {
+        DisposeTag(Tag);
+    }
+
+    /// <summary>
+    /// Go through all ModelChara rows and return a bitfield of those that resolve to human models.
+    /// </summary>
+    private static BitArray GetValidHumanModels(DataManager gameData)
+    {
+        var sheet = gameData.GetExcelSheet<ModelChara>()!;
+        var ret   = new BitArray((int)sheet.RowCount, false);
+        foreach (var (_, idx) in sheet.Select((m, i) => (m, i)).Where(p => p.m.Type == (byte)CharacterBase.ModelType.Human))
+            ret[idx] = true;
+
+        return ret;
+    }
+}