fix: Fix error on polygon elements with holes

Assets/Cryville.EEW.Unity/Map/MapTile.cs

@@ -1,6 +1,5 @@
 using Cryville.EEW.Core.Map;
 using System;
-using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Net.Http;
 using System.Threading;
@@ -67,7 +66,6 @@ namespace Cryville.EEW.Unity.Map {
 			_downloadDone = true;
 		}
 
-		[SuppressMessage("CodeQuality", "IDE0051", Justification = "Unity message")]
 		void Update() {
 			if (_downloadDone) {
 				try {
@@ -100,7 +98,6 @@ namespace Cryville.EEW.Unity.Map {
 			_callback?.Invoke(this);
 		}
 
-		[SuppressMessage("CodeQuality", "IDE0051", Justification = "Unity message")]
 		void OnDestroy() {
 			if (_req != null) {
 				_req.Abort();

Assets/Cryville.EEW.Unity/Map/PolygonRenderer.cs

@@ -77,7 +77,13 @@ namespace Cryville.EEW.Unity.Map {
 			DTSweep.Triangulate(tcx);
 
 			var codeToIndex = new Dictionary<uint, int>();
-			var vertices = ArrayPool<Vector3>.Shared.Rent(convertedPolygon.Points.Count);
+			int vertexCount = convertedPolygon.Points.Count;
+			if (convertedPolygon.Holes != null) {
+				foreach (var hole in convertedPolygon.Holes) {
+					vertexCount += hole.Points.Count;
+				}
+			}
+			var vertices = ArrayPool<Vector3>.Shared.Rent(vertexCount);
 			var triangles = ArrayPool<int>.Shared.Rent(convertedPolygon.Triangles.Count * 3);
 			int vi = 0, ii = 0;
 			foreach (var tri in convertedPolygon.Triangles) {