add accuracy to exp check

ElectronicObserver/Properties/Window/Dialog/ExpCheckerResources.en.resx

@@ -184,4 +184,7 @@ Please return to the home port page.</value>
   <data name="Modernization" xml:space="preserve">
     <value>Modernization</value>
   </data>
+  <data name="Accuracy" xml:space="preserve">
+    <value>Accuracy</value>
+  </data>
 </root>

ElectronicObserver/Properties/Window/Dialog/ExpCheckerResources.resx

@@ -165,4 +165,7 @@
   <data name="Modernization" xml:space="preserve">
     <value>現在改修</value>
   </data>
+  <data name="Accuracy" xml:space="preserve">
+    <value>命中項</value>
+  </data>
 </root>

ElectronicObserver/Window/Tools/ExpChecker/DataGridItem.cs

@@ -9,4 +9,5 @@ public class DataGridItem
 	public string EquipmentList { get; init; }
 	public string ToolTip { get; init; }
 	public bool IsRemodelLevel { get; init; }
-}
+	public double ShipAccuracy { get; init; }
+}

ElectronicObserver/Window/Tools/ExpChecker/ExpCheckerTranslationViewModel.cs

@@ -26,6 +26,7 @@ public class ExpCheckerTranslationViewModel : TranslationBaseViewModel
 	public string ColumnSortieCount => ExpCheckerResources.ColumnSortieCount;
 	public string ASW => ExpCheckerResources.ASW;
 	public string ColumnEquipment => ExpCheckerResources.ColumnEquipment;
+	public string Accuracy => ExpCheckerResources.Accuracy;
 
 	public string AswUnknown => ExpCheckerResources.AswUnknown;
 	public string AswApproximated => ExpCheckerResources.AswApproximated;

ElectronicObserver/Window/Tools/ExpChecker/ExpCheckerViewModel.cs

@@ -321,14 +321,15 @@ private void UpdateLevelView()
 				EquipmentList = !aswdata.IsAvailable ? "-" : equipmentPairs switch
 				{
 					null => "-",
-					_ => string.Join(", ", equipmentPairs)
+					_ => string.Join(", ", equipmentPairs),
 				},
 				ToolTip = equipmentPairs switch
 				{
 					null => "-",
-					_ => string.Join("\n", equipmentPairs)
+					_ => string.Join("\n", equipmentPairs),
 				},
 				IsRemodelLevel = remodelLevelTable.Contains(lv),
+				ShipAccuracy = selectedShip.Accuracy(lv).RoundDown(2),
 			};
 
 			rows[lv - minlv] = row;

ElectronicObserver/Window/Tools/ExpChecker/ExpCheckerWindow.xaml

@@ -162,6 +162,7 @@
 							</Style>
 						</DataGridTextColumn.CellStyle>
 					</DataGridTextColumn>
+					<DataGridTextColumn Binding="{Binding ShipAccuracy, StringFormat={}{0:0.##}}" Header="{Binding DataContext.ExpChecker.Accuracy, Source={StaticResource Proxy}}" />
 				</DataGrid.Columns>
 			</DataGrid>
 		</GroupBox>

ElectronicObserverCoreTests/LoSTests.cs

@@ -1,31 +1,18 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
+using System.Collections.Generic;
 using ElectronicObserver.Utility.Data;
 using ElectronicObserverTypes;
 using ElectronicObserverTypes.Mocks;
 using Xunit;
 
 namespace ElectronicObserverCoreTests;
 
-public static class NumberExtensions
-{
-	public static double RoundDown(this double value, int precision = 0)
-	{
-		double power = Math.Pow(10, precision);
-		return Math.Floor(value * power) / power;
-	}
-}
-
 [Collection(DatabaseCollection.Name)]
 public class LoSTests
 {
 	private DatabaseFixture Db { get; }
 
 	private int AdmiralLevel => 120;
 
-	private ReadOnlyCollection<IEquipmentData> NoEquip => new(new List<IEquipmentData>());
-
 	public LoSTests(DatabaseFixture db)
 	{
 		Db = db;

ElectronicObserverTypes/Extensions/ShipDataExtensions.cs

@@ -24,8 +24,14 @@ public static IShipDataMaster BaseShip(this IShipDataMaster ship)
 	/// </summary>
 	public static bool IsAbyssalShip(this IShipDataMaster ship) => ship.ShipID > 1500;
 
-	public static double Accuracy(this IShipData ship) =>
-		2 * Math.Sqrt(ship.Level) + 1.5 * Math.Sqrt(ship.LuckTotal);
+	/// <summary>
+	/// Calculates the ship accuracy.
+	/// </summary>
+	/// <param name="ship">Ship.</param>
+	/// <param name="level">Custom level override, ship.Level will be used by default.</param>
+	/// <returns>Ship accuracy.</returns>
+	public static double Accuracy(this IShipData ship, int? level = null) =>
+		2 * Math.Sqrt(level ?? ship.Level) + 1.5 * Math.Sqrt(ship.LuckTotal);
 
 	public static int NextAccuracyLevel(this IShipData ship, int? currentAccuracy = null)
 	{

ElectronicObserverTypes/NumberExtensions.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace ElectronicObserverTypes;
+
+public static class NumberExtensions
+{
+	public static double RoundDown(this double value, int precision = 0)
+	{
+		double power = Math.Pow(10, precision);
+		return Math.Floor(value * power) / power;
+	}
+}