Add some quick convert buttons to texture editing.

Penumbra/Import/Textures/CombinedTexture.cs

@@ -4,7 +4,6 @@ using System.Numerics;
 using Dalamud.Interface;
 using Lumina.Data.Files;
 using OtterTex;
-using Penumbra.Services;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.PixelFormats;
@@ -41,6 +40,9 @@ public partial class CombinedTexture : IDisposable
 
     public bool IsLoaded
         => _mode != Mode.Empty;
+
+    public bool IsLeftCopy
+        => _mode == Mode.LeftCopy;
 
     public Exception? SaveException { get; private set; } = null;
 

Penumbra/Import/Textures/Texture.cs

@@ -54,6 +54,22 @@ public sealed class Texture : IDisposable
     public bool IsLoaded
         => TextureWrap != null;
 
+    public DXGIFormat Format
+        => BaseImage switch
+        {
+            ScratchImage s => s.Meta.Format,
+            TexFile t      => t.Header.Format.ToDXGI(),
+            _              => DXGIFormat.Unknown,
+        };
+
+    public int MipMaps
+        => BaseImage switch
+        {
+            ScratchImage s => s.Meta.MipLevels,
+            TexFile t      => t.Header.MipLevels,
+            _              => 1,
+        };
+
     public void Draw(Vector2 size)
     {
         if (TextureWrap != null)
@@ -151,6 +167,13 @@ public sealed class Texture : IDisposable
         }
     }
 
+    public void Reload(DalamudServices dalamud)
+    {
+        var path = Path;
+        Path = string.Empty;
+        Load(dalamud, path);
+    }
+
     private bool LoadDds(DalamudServices dalamud)
     {
         Type = FileType.Dds;
@@ -180,7 +203,7 @@ public sealed class Texture : IDisposable
         using var stream  = OpenTexStream(dalamud.GameData);
         var       scratch = TexFileParser.Parse(stream);
         BaseImage = scratch;
-        var rgba    = scratch.GetRGBA(out var f).ThrowIfError(f);
+        var rgba = scratch.GetRGBA(out var f).ThrowIfError(f);
         RGBAPixels = rgba.Pixels[..(f.Meta.Width * f.Meta.Height * (f.Meta.Format.BitsPerPixel() / 8))].ToArray();
         CreateTextureWrap(dalamud.UiBuilder, scratch.Meta.Width, scratch.Meta.Height);
         return true;
@@ -268,10 +291,6 @@ public sealed class Texture : IDisposable
         if (ImGuiUtil.DrawDisabledButton(FontAwesomeIcon.Recycle.ToIconString(), new Vector2(ImGui.GetFrameHeight()),
                 "Reload the currently selected path.", false,
                 true))
-        {
+            Reload(dalamud);
-            var path = Path;
-            Path = string.Empty;
-            Load(dalamud, path);
-        }
     }
 }

Penumbra/UI/AdvancedWindow/ModEditWindow.Textures.cs

@@ -5,6 +5,7 @@ using System.Numerics;
 using ImGuiNET;
 using OtterGui;
 using OtterGui.Raii;
+using OtterTex;
 using Penumbra.Import.Textures;
 
 namespace Penumbra.UI.AdvancedWindow;
@@ -133,6 +134,39 @@ public partial class ModEditWindow
                 _forceTextureStartPath = false;
             }
 
+            if (_left.Type is Texture.FileType.Tex && _center.IsLeftCopy)
+            {
+                var buttonSize = new Vector2((ImGui.GetContentRegionAvail().X - ImGui.GetStyle().ItemSpacing.X * 2) / 3, 0);
+                if (ImGuiUtil.DrawDisabledButton("Convert to BC7", buttonSize,
+                        "This converts the texture to BC7 format in place. This is not revertible.",
+                        _left.Format is DXGIFormat.BC7Typeless or DXGIFormat.BC7UNorm or DXGIFormat.BC7UNormSRGB))
+                {
+                    _center.SaveAsTex(_left.Path, CombinedTexture.TextureSaveType.BC7, _left.MipMaps > 1);
+                    _left.Reload(_dalamud);
+                }
+
+                ImGui.SameLine();
+                if (ImGuiUtil.DrawDisabledButton("Convert to BC3", buttonSize,
+                        "This converts the texture to BC3 format in place. This is not revertible.",
+                        _left.Format is DXGIFormat.BC3Typeless or DXGIFormat.BC3UNorm or DXGIFormat.BC3UNormSRGB))
+                {
+                    _center.SaveAsTex(_left.Path, CombinedTexture.TextureSaveType.BC3, _left.MipMaps > 1);
+                    _left.Reload(_dalamud);
+                }
+
+                ImGui.SameLine();
+                if (ImGuiUtil.DrawDisabledButton("Convert to RGBA", buttonSize,
+                        "This converts the texture to RGBA format in place. This is not revertible.",
+                        _left.Format is DXGIFormat.B8G8R8A8UNorm or DXGIFormat.B8G8R8A8Typeless or DXGIFormat.B8G8R8A8UNormSRGB))
+                {
+                    _center.SaveAsTex(_left.Path, CombinedTexture.TextureSaveType.Bitmap, _left.MipMaps > 1);
+                    _left.Reload(_dalamud);
+                }
+            }
+            else
+            {
+                ImGui.NewLine();
+            }
             ImGui.NewLine();
         }