Add Group check, reworked world check for instances.

LightlessSync/UI/ContextMenu.cs

@@ -9,6 +9,7 @@ using LightlessSync.WebAPI;
 using Lumina.Excel.Sheets;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using System.Linq;
 
 namespace LightlessSync.UI;
 
@@ -141,8 +142,29 @@ internal class ContextMenu : IHostedService
     private World GetWorld(uint worldId)
     {
         var sheet = _gameData.GetExcelSheet<World>()!;
-        return sheet.TryGetRow(worldId, out var world) ? world : sheet.First();
+        var luminaWorlds = sheet.Where(x =>
+        {
+            var dc = x.DataCenter.ValueNullable;
+            var name = x.Name.ExtractText();
+            var internalName = x.InternalName.ExtractText();
+
+            if (dc == null || dc.Value.Region == 0 || string.IsNullOrWhiteSpace(dc.Value.Name.ExtractText()))
+                return false;
+
+            if (string.IsNullOrWhiteSpace(name) || string.IsNullOrWhiteSpace(internalName))
+                return false;
+
+            if (name.Contains('-', StringComparison.Ordinal) || name.Contains('_', StringComparison.Ordinal))
+                return false;
+
+            return x.RowId > 3001 && IsChineseJapaneseKoreanString(name);
+        });
+
+        return luminaWorlds.FirstOrDefault(x => x.RowId == worldId);
     }
+    private static bool IsChineseJapaneseKoreanString(string text) => text.All(IsChineseJapaneseKoreanCharacter);
+
+    private static bool IsChineseJapaneseKoreanCharacter(char c) => (c >= 0x4E00 && c <= 0x9FFF);
 
     public bool IsWorldValid(uint worldId) => IsWorldValid(GetWorld(worldId));