Add import of .atch files into metadata.

Penumbra/UI/AdvancedWindow/Meta/AtchMetaDrawer.cs

@@ -1,11 +1,14 @@
 using Dalamud.Interface;
+using Dalamud.Interface.ImGuiNotification;
 using ImGuiNET;
 using Newtonsoft.Json.Linq;
+using OtterGui;
 using OtterGui.Raii;
 using OtterGui.Services;
 using OtterGui.Text;
 using OtterGui.Widgets;
 using Penumbra.Collections.Cache;
+using Penumbra.GameData.Data;
 using Penumbra.GameData.Enums;
 using Penumbra.GameData.Files;
 using Penumbra.GameData.Files.AtchStructs;
@@ -13,6 +16,7 @@ using Penumbra.Meta;
 using Penumbra.Meta.Manipulations;
 using Penumbra.Mods.Editor;
 using Penumbra.UI.Classes;
+using Notification = OtterGui.Classes.Notification;
 
 namespace Penumbra.UI.AdvancedWindow.Meta;
 
@@ -27,9 +31,9 @@ public sealed class AtchMetaDrawer : MetaDrawer<AtchIdentifier, AtchEntry>, ISer
     public override float ColumnHeight
         => 2 * ImUtf8.FrameHeightSpacing;
 
-    private AtchFile?      _currentBaseAtchFile;
+    private          AtchFile?      _currentBaseAtchFile;
-    private AtchPoint?     _currentBaseAtchPoint;
+    private          AtchPoint?     _currentBaseAtchPoint;
-    private AtchPointCombo _combo;
+    private readonly AtchPointCombo _combo;
 
     public AtchMetaDrawer(ModMetaEditor editor, MetaFileManager metaFiles)
         : base(editor, metaFiles)
@@ -44,6 +48,41 @@ public sealed class AtchMetaDrawer : MetaDrawer<AtchIdentifier, AtchEntry>, ISer
             => obj.ToName();
     }
 
+    public void ImportFile(string filePath)
+    {
+        try
+        {
+            if (filePath.Length == 0 || !File.Exists(filePath))
+                throw new FileNotFoundException();
+
+            var gr = GamePaths.ParseRaceCode(filePath);
+            if (gr is GenderRace.Unknown)
+                throw new Exception($"Could not identify race code from path {filePath}.");
+            var text        = File.ReadAllBytes(filePath);
+            var file        = new AtchFile(text);
+            foreach (var point in file.Points)
+            {
+                foreach (var (entry, index) in point.Entries.WithIndex())
+                {
+                    var identifier   = new AtchIdentifier(point.Type, gr, (ushort) index);
+                    var defaultValue = AtchCache.GetDefault(MetaFiles, identifier);
+                    if (defaultValue == null)
+                        continue;
+
+                    if (defaultValue.Value.Equals(entry))
+                        Editor.Changes |= Editor.Remove(identifier);
+                    else
+                        Editor.Changes |= Editor.TryAdd(identifier, entry) || Editor.Update(identifier, entry);
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Penumbra.Messager.AddMessage(new Notification(ex, "Unable to import .atch file.", "Could not import .atch file:",
+                NotificationType.Warning));
+        }
+    }
+
 
     protected override void DrawNew()
     {

Penumbra/UI/AdvancedWindow/ModEditWindow.Meta.cs

@@ -4,6 +4,8 @@ using OtterGui;
 using OtterGui.Raii;
 using OtterGui.Text;
 using Penumbra.Api.Api;
+using Penumbra.GameData.Data;
+using Penumbra.GameData.Enums;
 using Penumbra.Meta.Manipulations;
 using Penumbra.UI.AdvancedWindow.Meta;
 using Penumbra.UI.Classes;
@@ -43,8 +45,10 @@ public partial class ModEditWindow
         if (ImUtf8.Button("Write as TexTools Files"u8))
             _metaFileManager.WriteAllTexToolsMeta(Mod!);
         ImGui.SameLine();
-        if (ImUtf8.ButtonEx("Remove All Default-Values", "Delete any entries from all lists that set the value to its default value."u8))
+        if (ImUtf8.ButtonEx("Remove All Default-Values"u8, "Delete any entries from all lists that set the value to its default value."u8))
             _editor.MetaEditor.DeleteDefaultValues();
+        ImGui.SameLine();
+        DrawAtchDragDrop();
 
         using var child = ImRaii.Child("##meta", -Vector2.One, true);
         if (!child)
@@ -60,6 +64,25 @@ public partial class ModEditWindow
         DrawEditHeader(MetaManipulationType.GlobalEqp);
     }
 
+    private void DrawAtchDragDrop()
+    {
+        _dragDropManager.CreateImGuiSource("atchDrag", f => f.Extensions.Contains(".atch"), f =>
+        {
+            var gr = GamePaths.ParseRaceCode(f.Files.FirstOrDefault() ?? string.Empty);
+            if (gr is GenderRace.Unknown)
+                return false;
+
+            ImUtf8.Text($"Dragging .atch for {gr.ToName()}...");
+            return true;
+        });
+        ImUtf8.ButtonEx("Import .atch"u8,
+            _dragDropManager.IsDragging ? ""u8 : "Drag a .atch file containinig its race code in the path here to import its values."u8,
+            default,
+            !_dragDropManager.IsDragging);
+        if (_dragDropManager.CreateImGuiTarget("atchDrag", out var files, out _) && files.FirstOrDefault() is { } file)
+            _metaDrawers.Atch.ImportFile(file);
+    }
+
     private void DrawEditHeader(MetaManipulationType type)
     {
         var drawer = _metaDrawers.Get(type);