refactor: Decouple grouping logic from core worker

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

@@ -15,14 +15,18 @@ namespace Cryville.EEW.Unity.Map {
 		MapElementManager m_layerElementSub;
 		[SerializeField]
 		GameObject m_prefabTile;
+		[SerializeField]
+		GameObject m_prefabBitmapHolder;
 
 		readonly MapTileCacheManager _tiles = new();
 		float _elementLayerZ;
 
 		void Start() {
 			_camera = GetComponent<Camera>();
+			_tiles.ExtraCachedZoomLevel = 20;
 			_tiles.Parent = m_layerTile;
 			_tiles.PrefabTile = m_prefabTile;
+			_tiles.PrefabBitmapHolder = m_prefabBitmapHolder;
 			_tiles.CacheDir = Application.temporaryCachePath;
 			_camera.orthographicSize = 0.5f / MathF.Max(1, (float)_camera.pixelWidth / _camera.pixelHeight);
 			_elementLayerZ = m_layerElement.transform.position.z;

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

@@ -1,43 +1,21 @@
 using Cryville.EEW.Core.Map;
-using System;
-using System.IO;
-using System.Net.Http;
-using System.Threading;
-using System.Threading.Tasks;
 using UnityEngine;
-using UnityEngine.Networking;
 
 namespace Cryville.EEW.Unity.Map {
 	[RequireComponent(typeof(SpriteRenderer))]
 	sealed class MapTile : MonoBehaviour {
-		static readonly SemaphoreSlim _semaphore = new(2);
-
-		static readonly HttpClient _httpClient = new() { Timeout = TimeSpan.FromSeconds(10) };
-
 		[SerializeField] Transform _idView;
 
 		public MapTileIndex Index { get; set; }
-		public bool IsEmpty { get; private set; }
-
-		Action<MapTile> _callback;
 
 		SpriteRenderer _renderer;
 
-		UnityWebRequest _req;
-		DownloadHandlerTexture _texHandler;
-		Texture2D _tex;
-		Sprite _sprite;
-
 		void Awake() {
 			_renderer = GetComponent<SpriteRenderer>();
 		}
 
-		FileInfo _localFile;
-		bool _downloadDone;
-		public void Load(MapTileIndex index, string cacheDir, Action<MapTile> onUpdated) {
+		public void Init(MapTileIndex index) {
 			Index = index;
-			_callback = onUpdated;
-			_localFile = new(Path.Combine(cacheDir, $"map/{Index.Z}/{Index.NX}/{Index.NY}"));
 			float z = 1 << index.Z;
 			transform.localPosition = new(index.X / z, -(index.Y + 1) / z, -index.Z / 100f);
 			transform.localScale = new Vector3(1 / z, 1 / z, 1);
@@ -45,69 +23,22 @@ namespace Cryville.EEW.Unity.Map {
 			byte e = SharedSettings.Instance.IdBytes[((index.X << 2) + index.Y) & 0x1f];
 			int ex = e >> 4, ey = e & 0xf;
 			_idView.localPosition = new(ex / 16f, 1 - ey / 16f, -1 / 200f);
-			if (_localFile.Exists) {
-				_downloadDone = true;
-			}
-			else {
-				Task.Run(() => RunAsync($"https://server.arcgisonline.com/ArcGIS/rest/services/Ocean/World_Ocean_Base/MapServer/tile/{Index.Z}/{Index.NY}/{Index.NX}"));
-			}
-		}
-		async Task RunAsync(string url) {
-			await _semaphore.WaitAsync().ConfigureAwait(true);
-			try {
-				Directory.CreateDirectory(_localFile.DirectoryName);
-				using var webStream = await _httpClient.GetStreamAsync(new Uri(url)).ConfigureAwait(true);
-				using var fileStream = new FileStream(_localFile.FullName, FileMode.Create, FileAccess.Write);
-				await webStream.CopyToAsync(fileStream).ConfigureAwait(true);
-			}
-			finally {
-				_semaphore.Release();
-			}
-			_downloadDone = true;
 		}
 
+		public void Set(Sprite sprite) {
+			if (_renderer) {
+				_renderer.sprite = sprite;
+			}
+		}
+
+		bool _isDestroyed;
+		public void Destroy() {
+			_isDestroyed = true;
+		}
 		void Update() {
-			if (_downloadDone) {
-				try {
-					_texHandler = new DownloadHandlerTexture();
-					_req = new UnityWebRequest($"file:///{_localFile}") {
-						downloadHandler = _texHandler,
-						disposeDownloadHandlerOnDispose = true,
-					};
-					_req.SendWebRequest();
-				}
-				catch (Exception ex) {
-					Debug.LogException(ex);
-				}
-				_downloadDone = false;
+			if (_isDestroyed) {
+				Destroy(gameObject);
 			}
-			if (_req == null || !_req.isDone) return;
-			if (_texHandler.isDone) {
-				_tex = _texHandler.texture;
-				_tex.wrapMode = TextureWrapMode.Clamp;
-				_sprite = Sprite.Create(_tex, new Rect(0, 0, _tex.width, _tex.height), Vector2.zero, _tex.height, 0, SpriteMeshType.FullRect, Vector4.zero, false);
-				_renderer.sprite = _sprite;
-			}
-			else {
-				Debug.LogError(_req.error);
-				_localFile.Delete();
-				IsEmpty = true;
-			}
-			_req.Dispose();
-			_req = null;
-			_callback?.Invoke(this);
-		}
-
-		void OnDestroy() {
-			if (_req != null) {
-				_req.Abort();
-				_req.Dispose();
-				_texHandler.Dispose();
-			}
-			if (_sprite) Destroy(_sprite);
-			if (_tex) Destroy(_tex);
-			IsEmpty = true;
-			_callback?.Invoke(this);
 		}
 	}
 }

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

@@ -0,0 +1,35 @@
+using Cryville.EEW.Core.Map;
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using UnityEngine;
+
+namespace Cryville.EEW.Unity.Map {
+	sealed class MapTileBitmapHolder : Core.Map.MapTileBitmapHolder {
+		MapTileBitmapHolderBehaviour _behaviour;
+
+		public MapTileBitmapHolder(MapTileIndex index, GameObject gameObject) : base(index) {
+			_behaviour = gameObject.GetComponent<MapTileBitmapHolderBehaviour>();
+		}
+
+		protected override void Dispose(bool disposing) {
+			base.Dispose(disposing);
+			if (disposing) {
+				if (_behaviour) _behaviour.Destroy();
+			}
+		}
+
+		protected override Uri GetUri() =>
+			new($"https://server.arcgisonline.com/ArcGIS/rest/services/Ocean/World_Ocean_Base/MapServer/tile/{Index.Z}/{Index.NY}/{Index.NX}");
+
+		protected override Task LoadBitmap(FileInfo file, CancellationToken cancellationToken) {
+			_behaviour.Load(file);
+			return Task.CompletedTask;
+		}
+
+		public void Bind(MapTile tile) {
+			_behaviour.Bind(tile);
+		}
+	}
+}

Assets/Cryville.EEW.Unity/Map/MapTileBitmapHolder.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f7ad3a3ac7d829249ba21987d585b07f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -0,0 +1,79 @@
+using System;
+using System.IO;
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace Cryville.EEW.Unity.Map {
+	sealed class MapTileBitmapHolderBehaviour : MonoBehaviour {
+		Action<Sprite> _callback;
+		public void Bind(MapTile tile) {
+			if (_isDone)
+				tile.Set(_sprite);
+			else
+				_callback += tile.Set;
+		}
+
+		UnityWebRequest _req;
+		DownloadHandlerTexture _texHandler;
+		Texture2D _tex;
+		Sprite _sprite;
+
+		FileInfo _localFile;
+		bool _isReady;
+		bool _isDone;
+		public void Load(FileInfo file) {
+			_localFile = file;
+			_isReady = true;
+		}
+		void Update() {
+			if (_isDestroyed) {
+				Destroy(gameObject);
+				return;
+			}
+			if (_isReady) {
+				try {
+					_texHandler = new DownloadHandlerTexture();
+					_req = new UnityWebRequest($"file:///{_localFile}") {
+						downloadHandler = _texHandler,
+						disposeDownloadHandlerOnDispose = true,
+					};
+					_req.SendWebRequest();
+				}
+				catch (Exception ex) {
+					Debug.LogException(ex);
+				}
+				_isReady = false;
+			}
+			if (_req == null || !_req.isDone) return;
+			if (_texHandler.isDone) {
+				_tex = _texHandler.texture;
+				_tex.wrapMode = TextureWrapMode.Clamp;
+				_sprite = Sprite.Create(_tex, new Rect(0, 0, _tex.width, _tex.height), Vector2.zero, _tex.height, 0, SpriteMeshType.FullRect, Vector4.zero, false);
+			}
+			else {
+				Debug.LogError(_req.error);
+				_localFile.Delete();
+			}
+			_req.Dispose();
+			_texHandler.Dispose();
+			_req = null;
+			_callback?.Invoke(_sprite);
+			_isDone = true;
+		}
+
+
+		bool _isDestroyed;
+		public void Destroy() {
+			_isDestroyed = true;
+		}
+		void OnDestroy() {
+			if (_req != null) {
+				_req.Abort();
+				_req.Dispose();
+				_texHandler.Dispose();
+			}
+			if (_sprite) Destroy(_sprite);
+			if (_tex) Destroy(_tex);
+		}
+	}
+}

Assets/Cryville.EEW.Unity/Map/MapTileBitmapHolderBehaviour.cs.meta

@@ -0,0 +1,11 @@
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+guid: c17f6b26e9a6bd74e8b2d071c6951c41
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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Assets/Cryville.EEW.Unity/Map/MapTileCacheManager.cs

@@ -1,165 +1,36 @@
 using Cryville.EEW.Core.Map;
-using System;
 using System.Collections.Generic;
+using System.IO;
 using UnityEngine;
 
 namespace Cryville.EEW.Unity.Map {
-	sealed class TileZOrderComparer : IComparer<MapTileIndex>, IComparer<MapTile> {
-		public static readonly TileZOrderComparer Instance = new();
-		public int Compare(MapTileIndex a, MapTileIndex b) {
-			var c = a.Z.CompareTo(b.Z);
-			if (c != 0) return c;
-			c = a.Y.CompareTo(b.Y);
-			if (c != 0) return c;
-			return a.X.CompareTo(b.X);
-		}
-		public int Compare(MapTile a, MapTile b) {
-			if (a == null) return b == null ? 0 : -1;
-			if (b == null) return 1;
-			return Compare(a.Index, b.Index);
-		}
-	}
-
-	sealed class MapTileCacheManager : IDisposable {
-		public int ExtraCachedZoomLevel { get; set; } = 20;
-
-		GameObject m_prefabTile;
-		public GameObject PrefabTile {
-			get => m_prefabTile;
-			set {
-				m_prefabTile = value;
-				if (_dummyTask) GameObject.Destroy(_dummyTask.gameObject);
-				_dummyTask = GameObject.Instantiate(m_prefabTile, Parent, false).GetComponent<MapTile>();
-			}
-		}
+	sealed class MapTileCacheManager : MapTileCacheManager<MapTileBitmapHolder> {
+		public GameObject PrefabTile { get; set; }
+		public GameObject PrefabBitmapHolder { get; set; }
 
 		public Transform Parent { get; set; }
 
 		public string CacheDir { get; set; }
 
-		public event Action Updated;
-		void OnUpdated(MapTile tile) {
-			if (tile.IsEmpty) {
-				lock (ActiveTiles) {
-					if (_cache.Remove(tile.Index)) {
-						ActiveTiles.RemoveAt(ActiveTiles.BinarySearch(tile, TileZOrderComparer.Instance));
-					}
-				}
-			}
-			Updated?.Invoke();
+		protected override MapTileBitmapHolder CreateBitmapHolder(MapTileIndex index) => new(index, GameObject.Instantiate(PrefabBitmapHolder, Parent, false));
+
+		protected override string GetCacheFilePath(MapTileIndex index) => Path.Combine(CacheDir, $"map/{index.Z}/{index.NX}/{index.NY}");
+
+		readonly Dictionary<MapTile<MapTileBitmapHolder>, MapTile> _map = new();
+		protected override void OnTileCreated(MapTile<MapTileBitmapHolder> tile) {
+			base.OnTileCreated(tile);
+			var gameObject = GameObject.Instantiate(PrefabTile, Parent, false);
+			var uTile = gameObject.GetComponent<MapTile>();
+			_map.Add(tile, uTile);
+			uTile.Init(tile.Index);
+			tile.BitmapHolder.Bind(uTile);
 		}
 
-		public void Dispose() {
-			MonoBehaviour.Destroy(_dummyTask);
-
-			lock (ActiveTiles) {
-				foreach (var task in ActiveTiles)
-					GameObject.Destroy(task.gameObject);
-				ActiveTiles.Clear();
-				_cache.Clear();
-			}
-		}
-
-		readonly Dictionary<MapTileIndex, MapTile> _cache = new();
-		public List<MapTile> ActiveTiles { get; } = new();
-
-		MapTileIndex _a, _b;
-
-		public void MoveTo(MapTileIndex a, MapTileIndex b) {
-			if (a.Z != b.Z) throw new ArgumentException("Mismatched Z index.");
-			if (a.X >= b.X || a.Y >= b.Y) throw new ArgumentException("Incorrect relative X/Y index.");
-
-			lock (ActiveTiles) {
-				UnloadTiles(a, b);
-				_a = a; _b = b;
-				LoadTiles(a, b);
-			}
-		}
-		void LoadTiles(MapTileIndex a, MapTileIndex b) {
-			for (int z = Math.Max(0, a.Z - ExtraCachedZoomLevel); z <= Math.Max(0, a.Z); z++) {
-				var ia = a.ZoomToLevel(z, Math.Floor);
-				var ib = b.ZoomToLevel(z, Math.Ceiling);
-				for (int x = ia.X; x < ib.X; x++) {
-					for (int y = ia.Y; y < ib.Y; y++) {
-						var index = new MapTileIndex(x, y, z);
-						if (_cache.ContainsKey(index)) continue;
-						var task = GameObject.Instantiate(PrefabTile, Parent, false).GetComponent<MapTile>();
-						task.Load(index, CacheDir, OnUpdated);
-						_cache.Add(index, task);
-						var i = ~ActiveTiles.BinarySearch(task, TileZOrderComparer.Instance);
-						ActiveTiles.Insert(i, task);
-					}
-				}
-			}
-		}
-		void UnloadTiles(MapTileIndex a, MapTileIndex b) {
-			if (a.Z != _a.Z) {
-				for (int z = _a.Z - ExtraCachedZoomLevel; z < a.Z - ExtraCachedZoomLevel; z++) UnloadTilesAtZoomLevel(z);
-				for (int z = a.Z + 1; z <= _a.Z; z++) UnloadTilesAtZoomLevel(z);
-			}
-			if (a.X > _a.X) {
-				for (int z = Math.Max(0, a.Z); z >= Math.Max(0, a.Z - ExtraCachedZoomLevel); --z) {
-					var ia0 = _a.ZoomToLevel(z, Math.Floor);
-					var ib0 = _b.ZoomToLevel(z, Math.Ceiling);
-					var ia1 = a.ZoomToLevel(z, Math.Floor);
-					if (ia0.X == ia1.X) break;
-					UnloadTilesInRegion(ia0.X, ia0.Y, ia1.X, ib0.Y, z);
-				}
-			}
-			if (b.X < _b.X) {
-				for (int z = Math.Max(0, a.Z); z >= Math.Max(0, a.Z - ExtraCachedZoomLevel); --z) {
-					var ia0 = _a.ZoomToLevel(z, Math.Floor);
-					var ib0 = _b.ZoomToLevel(z, Math.Ceiling);
-					var ib1 = b.ZoomToLevel(z, Math.Ceiling);
-					if (ib0.X == ib1.X) break;
-					UnloadTilesInRegion(ib1.X, ia0.Y, ib0.X, ib0.Y, z);
-				}
-			}
-			if (a.Y > _a.Y) {
-				for (int z = Math.Max(0, a.Z); z >= Math.Max(0, a.Z - ExtraCachedZoomLevel); --z) {
-					var ia0 = _a.ZoomToLevel(z, Math.Floor);
-					var ib0 = _b.ZoomToLevel(z, Math.Ceiling);
-					var ia1 = a.ZoomToLevel(z, Math.Floor);
-					if (ia0.Y == ia1.Y) break;
-					UnloadTilesInRegion(ia0.X, ia0.Y, ib0.X, ia1.Y, z);
-				}
-			}
-			if (b.Y < _b.Y) {
-				for (int z = Math.Max(0, a.Z); z >= Math.Max(0, a.Z - ExtraCachedZoomLevel); --z) {
-					var ia0 = _a.ZoomToLevel(z, Math.Floor);
-					var ib0 = _b.ZoomToLevel(z, Math.Ceiling);
-					var ib1 = b.ZoomToLevel(z, Math.Ceiling);
-					if (ib0.Y == ib1.Y) break;
-					UnloadTilesInRegion(ia0.X, ib1.Y, ib0.X, ib0.Y, z);
-				}
-			}
-		}
-		void UnloadTilesInRegion(int x1, int y1, int x2, int y2, int z) {
-			for (int x = x1; x < x2; x++) {
-				for (int y = y1; y < y2; y++) {
-					var index = new MapTileIndex(x, y, z);
-					if (!_cache.TryGetValue(index, out var task)) continue;
-					GameObject.Destroy(task.gameObject);
-				}
-			}
-		}
-
-		MapTile _dummyTask;
-		void UnloadTilesAtZoomLevel(int z) {
-			if (z < 0) return;
-
-			_dummyTask.Index = new(int.MinValue, int.MinValue, z);
-			var i0 = ActiveTiles.BinarySearch(_dummyTask, TileZOrderComparer.Instance);
-			if (i0 < 0) i0 = ~i0;
-
-			_dummyTask.Index = new(int.MinValue, int.MinValue, z + 1);
-			var i1 = ActiveTiles.BinarySearch(_dummyTask, TileZOrderComparer.Instance);
-			if (i1 < 0) i1 = ~i1;
-
-			for (var i = i1 - 1; i >= i0; --i) {
-				var index = ActiveTiles[i].Index;
-				if (!_cache.TryGetValue(index, out var task)) continue;
-				GameObject.Destroy(task.gameObject);
+		protected override void OnTileDestroyed(MapTile<MapTileBitmapHolder> tile) {
+			base.OnTileDestroyed(tile);
+			if (_map.TryGetValue(tile, out var uTile)) {
+				uTile.Destroy();
+				_map.Remove(tile);
 			}
 		}
 	}

Assets/Cryville.EEW.Unity/Worker.cs

@@ -39,7 +39,8 @@ namespace Cryville.EEW.Unity {
 		[SerializeField] EventGroupListView m_historyEventGroupList;
 		[SerializeField] GameObject m_connectingHint;
 
-		GroupingCoreWorker _worker;
+		CoreWorker _worker;
+		ReportGrouper _grouper;
 		CancellationTokenSource _cancellationTokenSource;
 
 		void Awake() {
@@ -52,6 +53,7 @@ namespace Cryville.EEW.Unity {
 			App.Init();
 
 			_worker = new(new TTSWorker());
+			_grouper = new ReportGrouper();
 			_cancellationTokenSource = new();
 		}
 
@@ -64,8 +66,8 @@ namespace Cryville.EEW.Unity {
 			_worker.TTSMessageGeneratorContext = SharedSettings.Instance;
 			_ongoingReportManager.Changed += OnOngoingReported;
 			_worker.Reported += OnReported;
-			_worker.GroupUpdated += OnGroupUpdated;
-			_worker.GroupRemoved += OnGroupRemoved;
+			_grouper.GroupUpdated += OnGroupUpdated;
+			_grouper.GroupRemoved += OnGroupRemoved;
 			Task.Run(() => GatewayVerify(_cancellationTokenSource.Token)).ContinueWith(task => {
 				if (task.IsFaulted) {
 					OnReported(this, new() { Title = task.Exception.Message });
@@ -189,6 +191,7 @@ namespace Cryville.EEW.Unity {
 		void OnReported(object sender, ReportViewModel e) {
 			if (e.Model is Exception && e.Model is not SourceWorkerNetworkException)
 				Debug.LogError(e);
+			_grouper.Report(e);
 			_ongoingReportManager.Report(e);
 			_uiActionQueue.Enqueue(() => {
 				if (m_mapElementManager.OngoingCount == 0) {

Assets/Main.unity

@@ -677,6 +677,7 @@ MonoBehaviour:
   m_layerElement: {fileID: 1602500234}
   m_layerElementSub: {fileID: 303098821}
   m_prefabTile: {fileID: 7683017549812261837, guid: e090edd328c6750478f5849a43a9d278, type: 3}
+  m_prefabBitmapHolder: {fileID: 1455558857588368834, guid: 1a5cf693e0cf6b94390f72f521c151ba, type: 3}
 --- !u!1 &408286580
 GameObject:
   m_ObjectHideFlags: 0

Assets/Prefabs/Bitmap Holder.prefab

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