fpopov thanks

NResUI/App.cs

@@ -12,10 +12,10 @@ namespace NResUI;
 
 public class App
     {
-        public GL GL { get; set; }
-        public IInputContext Input { get; set; }
+        public GL GL { get; set; } = null!;
+        public IInputContext Input { get; set; } = null!;
 
-        public static App Instance;
+        public static App Instance = null!;
 
         private static bool _dockspaceOpen = true;
         private static bool _optFullscreenPersistant = true;
@@ -25,7 +25,7 @@ public class App
 
         public ImFontPtr OpenSansFont;
 
-        private List<IImGuiPanel> _imGuiPanels;
+        private List<IImGuiPanel> _imGuiPanels = [];
 
         public App()
         {
@@ -151,4 +151,4 @@ public class App
         public void OnKeyReleased(Key key)
         {
         }
-    }
+    }

NResUI/ImGuiUI/NResExplorerPanel.cs

@@ -70,7 +70,7 @@ public class NResExplorerPanel : IImGuiPanel
                     ImGui.SameLine();
                     ImGui.Text(_viewModel.Archive.Header.TotalFileLengthBytes.ToString());
 
-                    if (ImGui.BeginTable("content", 12,
+                    if (ImGui.BeginTable("content", 9,
                             ImGuiTableFlags.Borders | ImGuiTableFlags.SizingFixedFit | ImGuiTableFlags.NoHostExtendX))
                     {
                         ImGui.TableSetupColumn("Тип файла");
@@ -79,12 +79,9 @@ public class NResExplorerPanel : IImGuiPanel
                         ImGui.TableSetupColumn("Длина файла в байтах");
                         ImGui.TableSetupColumn("Размер элемента");
                         ImGui.TableSetupColumn("Имя файла");
-                        ImGui.TableSetupColumn("Magic3");
-                        ImGui.TableSetupColumn("Magic4");
-                        ImGui.TableSetupColumn("Magic5");
-                        ImGui.TableSetupColumn("Magic6");
                         ImGui.TableSetupColumn("Смещение в байтах");
-                        ImGui.TableSetupColumn("Индекс в файле");
+                        ImGui.TableSetupColumn("SortIndex");
+                        ImGui.TableSetupColumn("DirectoryIndex");
 
                         ImGui.TableHeadersRow();
 
@@ -124,26 +121,6 @@ public class NResExplorerPanel : IImGuiPanel
                             ImGui.TableNextColumn();
                             ImGui.Text(_viewModel.Archive.Files[i].FileName);
                             ImGui.TableNextColumn();
-                            ImGui.Text(
-                                _viewModel.Archive.Files[i]
-                                    .Magic3.ToString()
-                            );
-                            ImGui.TableNextColumn();
-                            ImGui.Text(
-                                _viewModel.Archive.Files[i]
-                                    .Magic4.ToString()
-                            );
-                            ImGui.TableNextColumn();
-                            ImGui.Text(
-                                _viewModel.Archive.Files[i]
-                                    .Magic5.ToString()
-                            );
-                            ImGui.TableNextColumn();
-                            ImGui.Text(
-                                _viewModel.Archive.Files[i]
-                                    .Magic6.ToString()
-                            );
-                            ImGui.TableNextColumn();
                             ImGui.Text(
                                 _viewModel.Archive.Files[i]
                                     .OffsetInFile.ToString()
@@ -151,7 +128,12 @@ public class NResExplorerPanel : IImGuiPanel
                             ImGui.TableNextColumn();
                             ImGui.Text(
                                 _viewModel.Archive.Files[i]
-                                    .Index.ToString()
+                                    .SortIndex.ToString()
+                            );
+                            ImGui.TableNextColumn();
+                            ImGui.Text(
+                                _viewModel.Archive.Files[i]
+                                    .DirectoryIndex.ToString()
                             );
                         }
 
@@ -309,4 +291,4 @@ public class NResExplorerPanel : IImGuiPanel
             ImGui.End();
         }
     }
-}
+}

NResUI/ImGuiUI/TexmExplorer.cs

@@ -166,6 +166,43 @@ public class TexmExplorer : IImGuiPanel
                         }
 
                         ImGui.Image((IntPtr) glTexture.GlTexture, imageSize);
+
+                        var imageHovered = ImGui.IsItemHovered();
+
+                        if (imageHovered && index < _viewModel.RgbaBytesByMipmap.Count)
+                        {
+                            var mousePos = ImGui.GetMousePos();
+
+                            var scale = _viewModel.DoubleSize ? 2.0f : 1.0f;
+                            var relativePos = (mousePos - screenPos) / scale;
+
+                            var pixelX = (int)MathF.Floor(relativePos.X);
+                            var pixelY = (int)MathF.Floor(relativePos.Y);
+
+                            pixelX = (int)Math.Clamp(pixelX, 0, glTexture.Width - 1);
+                            pixelY = (int)Math.Clamp(pixelY, 0, glTexture.Height - 1);
+
+                            var rgbaBytes = _viewModel.RgbaBytesByMipmap[index];
+                            var byteIndex = (pixelY * glTexture.Width + pixelX) * 4;
+
+                            if (byteIndex + 3 < rgbaBytes.Length)
+                            {
+                                var r = rgbaBytes[byteIndex + 0];
+                                var g = rgbaBytes[byteIndex + 1];
+                                var b = rgbaBytes[byteIndex + 2];
+                                var a = rgbaBytes[byteIndex + 3];
+
+                                ImGui.BeginTooltip();
+
+                                ImGui.Text($"Mipmap: {index}");
+                                ImGui.Text($"Pixel: X={pixelX}, Y={pixelY}");
+                                ImGui.Text($"RGBA: {r}, {g}, {b}, {a}");
+                                ImGui.Text($"HEX: #{r:X2}{g:X2}{b:X2}{a:X2}");
+
+                                ImGui.EndTooltip();
+                            }
+                        }
+
                         ImGui.SameLine();
 
                         if (_viewModel.ViewPages && _viewModel.TexmFile.Pages is not null)
@@ -180,18 +217,6 @@ public class TexmExplorer : IImGuiPanel
                                 );
                             }
                         }
-
-                        if (ImGui.IsItemHovered())
-                        {
-                            var mousePos = ImGui.GetMousePos();
-                            var relativePos = (mousePos - screenPos) / (_viewModel.DoubleSize
-                                ? 2
-                                : 1);
-
-                            ImGui.Text("Hovering over: ");
-                            ImGui.SameLine();
-                            ImGui.Text(relativePos.ToString());
-                        }
                     }
                 }
             }

NResUI/Models/TexmExplorerViewModel.cs

@@ -13,6 +13,7 @@ public class TexmExplorerViewModel
 
     public string? Path { get; set; }
     public List<OpenGlTexture> GlTextures { get; set; } = [];
+    public List<byte[]> RgbaBytesByMipmap { get; set; } = [];
 
     private bool _glTexturesDirty = false;
     public bool IsWhiteBgEnabled;
@@ -48,11 +49,14 @@ public class TexmExplorerViewModel
             }
 
             GlTextures.Clear();
+            RgbaBytesByMipmap.Clear();
 
-            for (var i = 0; i < TexmFile!.Header.MipmapCount; i++)
+            for (var i = 0; i < TexmFile.Header.MipmapCount; i++)
             {
                 var bytes = TexmFile.GetRgba32BytesFromMipmap(i, out var width, out var height);
 
+                RgbaBytesByMipmap.Add(bytes);
+
                 var glTexture = new OpenGlTexture(
                     gl,
                     width,

NResUI/OpenGlTexture.cs

@@ -19,7 +19,7 @@ namespace NResUI
 
         public static float? MaxAniso;
         private readonly GL _gl;
-        public readonly string Name;
+        public readonly string Name = string.Empty;
         public readonly uint GlTexture;
         public readonly uint Width, Height;
         public readonly uint MipmapLevels;
@@ -152,4 +152,4 @@ namespace NResUI
             _gl.DeleteTexture(GlTexture);
         }
     }
-}
+}