Log adjacencies file path for debugging (#1844) #patch

ImperatorToCK3.UnitTests/TestFiles/MapData/CK3_all_prov_defs/game/map_data/adjacencies.csv

@@ -1,2 +1,2 @@
 From;To;Type;Through;start_x;start_y;stop_x;stop_y;Comment
-496;497
+496;497;sea;3759;0;0;1;1;Test adjacency

ImperatorToCK3/CommonUtils/Map/Adjacency.cs

@@ -0,0 +1,15 @@
+using CsvHelper.Configuration.Attributes;
+
+namespace ImperatorToCK3.CommonUtils.Map;
+
+public sealed class Adjacency {
+	[Index(0)] public long From { get; set; }
+	[Index(1)]  public long To { get; set; }
+	[Index(2)] public string Type { get; set; } = string.Empty;
+	[Index(3)] public long Through { get; set; }
+	[Index(4)] public long StartX { get; set; }
+	[Index(5)] public long StartY { get; set; }
+	[Index(6)] public long StopX { get; set; }
+	[Index(7)] public long StopY { get; set; }
+	[Index(8)] public string Comment { get; set; } = string.Empty;
+}

ImperatorToCK3/CommonUtils/Map/MapData.cs

@@ -11,6 +11,8 @@
 using System.Linq;
 using System.Runtime.InteropServices;
 
+using Index = CsvHelper.Configuration.Attributes.IndexAttribute;
+
 namespace ImperatorToCK3.CommonUtils.Map;
 
 public sealed class MapData {
@@ -419,12 +421,13 @@ private void LoadAdjacencies(string adjacenciesFilename, ModFilesystem modFS) {
 			Logger.Warn($"Adjacencies file {adjacenciesFilename} not found!");
 			return;
 		}
+		Logger.Debug($"Loading adjacencies from \"{adjacenciesPath}\"...");
 
 		var reader = new StreamReader(adjacenciesPath);
 
 		var csvConfig = new CsvConfiguration(CultureInfo.InvariantCulture) {
 			Delimiter = ";",
-			HasHeaderRecord = true,
+			HasHeaderRecord = false, // Ignore header using ShouldSkipRecord instead.
 			AllowComments = true,
 			TrimOptions = TrimOptions.Trim,
 			IgnoreBlankLines = true,
@@ -435,15 +438,11 @@ private void LoadAdjacencies(string adjacenciesFilename, ModFilesystem modFS) {
 				}
 
 				cell = cell.Trim();
-				return cell.Length == 0 || cell[0] == '#';
+				return cell.Length == 0 || cell[0] == '#' || !ulong.TryParse(cell, out _);
 			}),
 		};
 		using CsvReader csv = new(reader, csvConfig);
-		var adjacency = new {
-			From = default(long),
-			To = default(long),
-		};
-		var records = csv.GetRecords(adjacency);
+		var records = csv.GetRecords<Adjacency>().ToList();
 
 		int count = 0;
 		foreach (var record in records) {