OpenLoco · LeftofZen · Feb 2, 2026 · Jan 22, 2026 · Jan 26, 2026 · Jan 26, 2026
diff --git a/Dat/FileParsing/SawyerStreamWriter.cs b/Dat/FileParsing/SawyerStreamWriter.cs
@@ -8,7 +8,6 @@
 using Definitions.ObjectModels.Graphics;
 using Definitions.ObjectModels.Objects.Sound;
 using Definitions.ObjectModels.Types;
-using System.Collections.Immutable;
 using System.ComponentModel.DataAnnotations;
 using System.Text;
 

diff --git a/DataSanitiser/Program.cs b/DataSanitiser/Program.cs
@@ -85,6 +85,56 @@ static ObjectType TypeToStruct(Type type)
 		_ => throw new ArgumentOutOfRangeException(nameof(type), $"unknown struct type {type.FullName}")
 	};
 
+static void QueryBuildingVar_AC()
+{
+	var dir = "Q:\\Steam\\steamapps\\common\\Locomotion\\ObjData";
+	var logger = new Logger();
+	var index = ObjectIndex.LoadOrCreateIndex(dir, logger);
+
+	var results = new List<(ObjectIndexEntry Obj, int var_ac)>();
+
+	foreach (var obj in index.Objects.Where(x => x.ObjectType == ObjectType.Building))
+	{
+		try
+		{
+			var o = SawyerStreamReader.LoadFullObject(Path.Combine(dir, obj.FileName), logger);
+			if (o.LocoObject != null)
+			{
+				var struc = (BuildingObject)o.LocoObject.Object;
+				var header = o.DatFileInfo.S5Header;
+				var source = OriginalObjectFiles.GetFileSource(header.Name, header.Checksum, header.ObjectSource);
+
+				if (source != ObjectSource.LocomotionSteam)
+				{
+					continue;
+				}
+
+				results.Add((obj, struc.var_AC));
+			}
+		}
+		catch (Exception ex)
+		{
+			Console.WriteLine($"{obj.FileName} - {ex.Message}");
+		}
+	}
+
+	Console.WriteLine(results.Count);
+
+	const string csvHeader = "DatName, Var_AC";
+	var lines = results
+		.OrderByDescending(x => x.var_ac)
+		.Select(x => string.Join(',', x.Obj.DisplayName, x.var_ac));
+
+	File.WriteAllLines("building_var_ac.csv", [csvHeader, .. lines]);
+
+	//foreach (var line in lines)
+	//{
+	//	Console.WriteLine(line);
+	//}
+}
+
+QueryBuildingVar_AC();
+
 static void QueryBuildingProducedQuantity()
 {
 	var dir = "Q:\\Steam\\steamapps\\common\\Locomotion\\ObjData";
@@ -130,7 +180,7 @@ static void QueryBuildingProducedQuantity()
 	//	Console.WriteLine(line);
 	//}
 }
-QueryBuildingProducedQuantity();
+//QueryBuildingProducedQuantity();
 
 static void QueryHeadquarters()
 {

diff --git a/Definitions/Migrations/20251228122835_AddTblObjectMissing.cs b/Definitions/Migrations/20251228122835_AddTblObjectMissing.cs
@@ -10,146 +10,146 @@ public partial class AddTblObjectMissing : Migration
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.RenameColumn(
-                name: "ShipWakeOffset",
-                table: "ObjVehicle",
-                newName: "ShipWakeSpacing");
-
-            migrationBuilder.RenameColumn(
-                name: "Clearance",
-                table: "ObjTree",
-                newName: "var_05");
-
-            migrationBuilder.RenameColumn(
-                name: "DisplayOffset",
-                table: "ObjTrack",
-                newName: "VehicleDisplayListVerticalOffset");
-
-            migrationBuilder.RenameColumn(
-                name: "DisplayOffset",
-                table: "ObjRoad",
-                newName: "VehicleDisplayListVerticalOffset");
-
-            migrationBuilder.RenameColumn(
-                name: "WindowPlayerColor",
-                table: "ObjInterface",
-                newName: "WindowPlayerColour");
-
-            migrationBuilder.RenameColumn(
-                name: "Flags",
-                table: "ObjHillShapes",
-                newName: "IsHeightMap");
-
-            migrationBuilder.RenameColumn(
-                name: "MaxPremiumRate",
-                table: "ObjCargo",
-                newName: "NonPremiumRate");
-
-            migrationBuilder.RenameColumn(
-                name: "AllowedPlaneTypes",
-                table: "ObjAirport",
-                newName: "Flags");
-
-            migrationBuilder.AddColumn<byte>(
-                name: "InitialHeight",
-                table: "ObjTree",
-                type: "INTEGER",
-                nullable: false,
-                defaultValue: (byte)0);
-
-            migrationBuilder.AddColumn<byte>(
-                name: "SeasonalVariants",
-                table: "ObjTree",
-                type: "INTEGER",
-                nullable: false,
-                defaultValue: (byte)0);
-
-            migrationBuilder.AddColumn<byte>(
-                name: "var_04",
-                table: "ObjTree",
-                type: "INTEGER",
-                nullable: false,
-                defaultValue: (byte)0);
-
-            migrationBuilder.CreateTable(
-                name: "ObjectsMissing",
-                columns: table => new
-                {
-                    Id = table.Column<ulong>(type: "INTEGER", nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    DatName = table.Column<string>(type: "TEXT", nullable: false),
-                    DatChecksum = table.Column<uint>(type: "INTEGER", nullable: false),
-                    ObjectType = table.Column<byte>(type: "INTEGER", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_ObjectsMissing", x => x.Id);
-                });
-
-            migrationBuilder.CreateIndex(
-                name: "IX_ObjectsMissing_DatName_DatChecksum",
-                table: "ObjectsMissing",
-                columns: new[] { "DatName", "DatChecksum" },
-                unique: true);
+			_ = migrationBuilder.RenameColumn(
+				name: "ShipWakeOffset",
+				table: "ObjVehicle",
+				newName: "ShipWakeSpacing");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "Clearance",
+				table: "ObjTree",
+				newName: "var_05");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "DisplayOffset",
+				table: "ObjTrack",
+				newName: "VehicleDisplayListVerticalOffset");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "DisplayOffset",
+				table: "ObjRoad",
+				newName: "VehicleDisplayListVerticalOffset");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "WindowPlayerColor",
+				table: "ObjInterface",
+				newName: "WindowPlayerColour");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "Flags",
+				table: "ObjHillShapes",
+				newName: "IsHeightMap");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "MaxPremiumRate",
+				table: "ObjCargo",
+				newName: "NonPremiumRate");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "AllowedPlaneTypes",
+				table: "ObjAirport",
+				newName: "Flags");
+
+			_ = migrationBuilder.AddColumn<byte>(
+				name: "InitialHeight",
+				table: "ObjTree",
+				type: "INTEGER",
+				nullable: false,
+				defaultValue: (byte)0);
+
+			_ = migrationBuilder.AddColumn<byte>(
+				name: "SeasonalVariants",
+				table: "ObjTree",
+				type: "INTEGER",
+				nullable: false,
+				defaultValue: (byte)0);
+
+			_ = migrationBuilder.AddColumn<byte>(
+				name: "var_04",
+				table: "ObjTree",
+				type: "INTEGER",
+				nullable: false,
+				defaultValue: (byte)0);
+
+			_ = migrationBuilder.CreateTable(
+				name: "ObjectsMissing",
+				columns: table => new
+				{
+					Id = table.Column<ulong>(type: "INTEGER", nullable: false)
+						.Annotation("Sqlite:Autoincrement", true),
+					DatName = table.Column<string>(type: "TEXT", nullable: false),
+					DatChecksum = table.Column<uint>(type: "INTEGER", nullable: false),
+					ObjectType = table.Column<byte>(type: "INTEGER", nullable: false)
+				},
+				constraints: table =>
+				{
+					_ = table.PrimaryKey("PK_ObjectsMissing", x => x.Id);
+				});
+
+			_ = migrationBuilder.CreateIndex(
+				name: "IX_ObjectsMissing_DatName_DatChecksum",
+				table: "ObjectsMissing",
+				columns: new[] { "DatName", "DatChecksum" },
+				unique: true);
         }
 
         /// <inheritdoc />
         protected override void Down(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.DropTable(
-                name: "ObjectsMissing");
-
-            migrationBuilder.DropColumn(
-                name: "InitialHeight",
-                table: "ObjTree");
-
-            migrationBuilder.DropColumn(
-                name: "SeasonalVariants",
-                table: "ObjTree");
-
-            migrationBuilder.DropColumn(
-                name: "var_04",
-                table: "ObjTree");
-
-            migrationBuilder.RenameColumn(
-                name: "ShipWakeSpacing",
-                table: "ObjVehicle",
-                newName: "ShipWakeOffset");
-
-            migrationBuilder.RenameColumn(
-                name: "var_05",
-                table: "ObjTree",
-                newName: "Clearance");
-
-            migrationBuilder.RenameColumn(
-                name: "VehicleDisplayListVerticalOffset",
-                table: "ObjTrack",
-                newName: "DisplayOffset");
-
-            migrationBuilder.RenameColumn(
-                name: "VehicleDisplayListVerticalOffset",
-                table: "ObjRoad",
-                newName: "DisplayOffset");
-
-            migrationBuilder.RenameColumn(
-                name: "WindowPlayerColour",
-                table: "ObjInterface",
-                newName: "WindowPlayerColor");
-
-            migrationBuilder.RenameColumn(
-                name: "IsHeightMap",
-                table: "ObjHillShapes",
-                newName: "Flags");
-
-            migrationBuilder.RenameColumn(
-                name: "NonPremiumRate",
-                table: "ObjCargo",
-                newName: "MaxPremiumRate");
-
-            migrationBuilder.RenameColumn(
-                name: "Flags",
-                table: "ObjAirport",
-                newName: "AllowedPlaneTypes");
+			_ = migrationBuilder.DropTable(
+				name: "ObjectsMissing");
+
+			_ = migrationBuilder.DropColumn(
+				name: "InitialHeight",
+				table: "ObjTree");
+
+			_ = migrationBuilder.DropColumn(
+				name: "SeasonalVariants",
+				table: "ObjTree");
+
+			_ = migrationBuilder.DropColumn(
+				name: "var_04",
+				table: "ObjTree");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "ShipWakeSpacing",
+				table: "ObjVehicle",
+				newName: "ShipWakeOffset");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "var_05",
+				table: "ObjTree",
+				newName: "Clearance");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "VehicleDisplayListVerticalOffset",
+				table: "ObjTrack",
+				newName: "DisplayOffset");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "VehicleDisplayListVerticalOffset",
+				table: "ObjRoad",
+				newName: "DisplayOffset");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "WindowPlayerColour",
+				table: "ObjInterface",
+				newName: "WindowPlayerColor");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "IsHeightMap",
+				table: "ObjHillShapes",
+				newName: "Flags");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "NonPremiumRate",
+				table: "ObjCargo",
+				newName: "MaxPremiumRate");
+
+			_ = migrationBuilder.RenameColumn(
+				name: "Flags",
+				table: "ObjAirport",
+				newName: "AllowedPlaneTypes");
         }
     }
 }
diff --git a/Definitions/ObjectModels/Graphics/ImageTable.cs b/Definitions/ObjectModels/Graphics/ImageTable.cs
@@ -23,6 +23,7 @@ public PaletteMap PaletteMap
 					{
 						throw new Exception("Failed to convert image");
 					}
+
 					ge.Image = image;
 				}
 			}

diff --git a/Definitions/ObjectModels/Graphics/ImageTableHelpers.cs b/Definitions/ObjectModels/Graphics/ImageTableHelpers.cs
@@ -21,6 +21,7 @@ private static Image<Rgba32> CreateErrorImage()
 				img[x, y] = isRed ? Color.Magenta : Color.White;
 			}
 		}
+
 		return img;
 	}
 

diff --git a/Gui/App.axaml b/Gui/App.axaml
@@ -108,19 +108,22 @@
 		<DataTemplate DataType="vm:ObjectMetadataViewModel">
 			<vi:MetadataView />
 		</DataTemplate>
+		<DataTemplate DataType="vm:StringTableViewModel">
+			<vi:StringTableView />
+		</DataTemplate>
 		<DataTemplate DataType="vm:ObjectEditorViewModel">
 			<vi:ObjectEditorView />
 		</DataTemplate>
 		<DataTemplate DataType="vm:FolderTreeViewModel">
 			<vi:FolderTreeView />
 		</DataTemplate>
-		<DataTemplate DataType="vm:LocoTypes.Objects.Building.BuildingComponentsViewModel">
+		<DataTemplate DataType="vm:Loco.Objects.Building.BuildingComponentsViewModel">
 			<vi:BuildingComponentsView />
 		</DataTemplate>
 		<DataTemplate DataType="vm:G1ViewModel">
 			<ContentControl Content="{Binding ImageTableViewModel}" />
 		</DataTemplate>
-		<DataTemplate DataType="vm:IObjectViewModel">
+		<DataTemplate DataType="vm:IViewModel">
 			<ScrollViewer>
 				<vi:ExtendedPropertyGrid Background="{DynamicResource ExpanderContentBackground}" IsHeaderVisible="True" IsCategoryVisible="False" IsAutoNameWidth="True" IsQuickFilterVisible="True" DataContext="{Binding}" />
 			</ScrollViewer>
-Original file line number
+Diff line change
@@ Expand Up / @@ -23,6 +23,7 @@ public PaletteMap PaletteMap @@
     					{
     						throw new Exception("Failed to convert image");
     					}
     					ge.Image = image;
     				}
     			}
@@ Expand Down @@