feat: Implement region editor

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

@@ -17,19 +17,24 @@ namespace Cryville.EEW.Unity.Map {
 		GameObject m_prefabTile;
 		[SerializeField]
 		GameObject m_prefabBitmapHolder;
+		[SerializeField]
+		int m_maxMapTileZoom = 10;
+		[SerializeField]
+		bool m_isEditor;
 
-		readonly MapTileCacheManager _tiles = new();
+		MapTileCacheManager _tiles;
 		float _elementLayerZ;
 
 		void Start() {
 			_camera = GetComponent<Camera>();
+			_tiles = m_isEditor ? new EditorMapTileCacheManager() : new MapTileCacheManager();
 			_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;
+			if (m_layerElement != null) _elementLayerZ = m_layerElement.transform.position.z;
 			_mapElementUpdated = true;
 		}
 		void OnDestroy() {
@@ -74,7 +79,7 @@ namespace Cryville.EEW.Unity.Map {
 			}
 		}
 		void ZoomToMapElement() {
-			var aabb = m_layerElement.AABB;
+			var aabb = m_layerElement != null ? m_layerElement.AABB : null;
 			if (aabb is not RectangleF b) return;
 			if (b.Width * _camera.pixelHeight < _camera.pixelWidth * b.Height)
 				Scale = b.Height;
@@ -97,26 +102,30 @@ namespace Cryville.EEW.Unity.Map {
 			transform.localPosition = new(nx, Math.Clamp(transform.position.y, h / 2 - 1, -h / 2), -20);
 
 			var bounds = new Bounds((Vector2)transform.position, new Vector2(w, h));
-			int zoom = Math.Clamp((int)Math.Log(vz / 256, 2) + 1, 0, 10);
+			int zoom = Math.Clamp((int)Math.Log(vz / 256, 2) + 1, 0, m_maxMapTileZoom);
 			int zoomScale = 1 << zoom;
 			_tiles.MoveTo(
 				new(Mathf.FloorToInt(bounds.min.x * zoomScale), Mathf.FloorToInt(-bounds.max.y * zoomScale), zoom),
 				new(Mathf.CeilToInt(bounds.max.x * zoomScale), Mathf.CeilToInt(-bounds.min.y * zoomScale), zoom)
 			);
 
-			m_layerElement.Scale = h;
-			m_layerElementSub.Scale = h;
+			if (m_layerElement != null) {
+				m_layerElement.Scale = h;
+			}
+			if (m_layerElementSub != null) {
+				m_layerElementSub.Scale = h;
 
-			if (nx - w / 2 < 0) {
-				m_layerElementSub.gameObject.SetActive(true);
-				m_layerElementSub.transform.localPosition = new(-1, 0, _elementLayerZ);
-			}
-			else if (nx + w / 2 > 1) {
-				m_layerElementSub.gameObject.SetActive(true);
-				m_layerElementSub.transform.localPosition = new(1, 0, _elementLayerZ);
-			}
-			else {
-				m_layerElementSub.gameObject.SetActive(false);
+				if (nx - w / 2 < 0) {
+					m_layerElementSub.gameObject.SetActive(true);
+					m_layerElementSub.transform.localPosition = new(-1, 0, _elementLayerZ);
+				}
+				else if (nx + w / 2 > 1) {
+					m_layerElementSub.gameObject.SetActive(true);
+					m_layerElementSub.transform.localPosition = new(1, 0, _elementLayerZ);
+				}
+				else {
+					m_layerElementSub.gameObject.SetActive(false);
+				}
 			}
 		}
 	}

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

@@ -0,0 +1,15 @@
+using Cryville.EEW.Core.Map;
+using System.IO;
+using UnityEngine;
+
+namespace Cryville.EEW.Unity.Map {
+	sealed class EditorMapTileCacheManager : MapTileCacheManager {
+		protected override MapTileBitmapHolder CreateBitmapHolder(MapTileIndex index) => new(
+			index,
+			GameObject.Instantiate(PrefabBitmapHolder, Parent, false),
+			new($"https://tile.openstreetmap.org/{index.Z}/{index.NX}/{index.NY}.png")
+		);
+
+		protected override string GetCacheFilePath(MapTileIndex index) => Path.Combine(CacheDir, $"map_editor/{index.Z}/{index.NX}/{index.NY}");
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 478198b8ecc0082449fa3f68795174a9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -7,10 +7,12 @@ using UnityEngine;
 
 namespace Cryville.EEW.Unity.Map {
 	sealed class MapTileBitmapHolder : Core.Map.MapTileBitmapHolder {
-		MapTileBitmapHolderBehaviour _behaviour;
+		readonly MapTileBitmapHolderBehaviour _behaviour;
+		readonly Uri _uri;
 
-		public MapTileBitmapHolder(MapTileIndex index, GameObject gameObject) : base(index) {
+		public MapTileBitmapHolder(MapTileIndex index, GameObject gameObject, Uri uri) : base(index) {
 			_behaviour = gameObject.GetComponent<MapTileBitmapHolderBehaviour>();
+			_uri = uri;
 		}
 
 		protected override void Dispose(bool disposing) {
@@ -20,8 +22,7 @@ namespace Cryville.EEW.Unity.Map {
 			}
 		}
 
-		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 Uri GetUri() => _uri;
 
 		protected override Task LoadBitmap(FileInfo file, CancellationToken cancellationToken) {
 			_behaviour.Load(file);

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

@@ -45,13 +45,13 @@ namespace Cryville.EEW.Unity.Map {
 				_isReady = false;
 			}
 			if (_req == null || !_req.isDone) return;
-			if (_texHandler.isDone) {
+			if (_texHandler.isDone && _texHandler.texture != null) {
 				_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);
+				Debug.LogError(_texHandler.error);
 				_localFile.Delete();
 			}
 			_req.Dispose();

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

@@ -4,7 +4,7 @@ using System.IO;
 using UnityEngine;
 
 namespace Cryville.EEW.Unity.Map {
-	sealed class MapTileCacheManager : MapTileCacheManager<MapTileBitmapHolder> {
+	class MapTileCacheManager : MapTileCacheManager<MapTileBitmapHolder> {
 		public GameObject PrefabTile { get; set; }
 		public GameObject PrefabBitmapHolder { get; set; }
 
@@ -12,8 +12,12 @@ namespace Cryville.EEW.Unity.Map {
 
 		public string CacheDir { get; set; }
 
-		protected override MapTileBitmapHolder CreateBitmapHolder(MapTileIndex index) => new(index, GameObject.Instantiate(PrefabBitmapHolder, Parent, false));
-
+		protected override MapTileBitmapHolder CreateBitmapHolder(MapTileIndex index) => new(
+			index,
+			GameObject.Instantiate(PrefabBitmapHolder, Parent, false),
+			new($"https://server.arcgisonline.com/ArcGIS/rest/services/Ocean/World_Ocean_Base/MapServer/tile/{index.Z}/{index.NY}/{index.NX}")
+		);
+		
 		protected override string GetCacheFilePath(MapTileIndex index) => Path.Combine(CacheDir, $"map/{index.Z}/{index.NX}/{index.NY}");
 
 		readonly Dictionary<MapTile<MapTileBitmapHolder>, MapTile> _map = new();

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

@@ -0,0 +1,219 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using TMPro;
+using UnityEngine;
+
+namespace Cryville.EEW.Unity.Map {
+	sealed class RegionEditor : MonoBehaviour {
+		QuadTreeNode _root;
+
+		[SerializeField] CameraController m_cameraController;
+		[SerializeField] GameObject m_regionViewPrefab;
+
+		[SerializeField] TMP_Text m_textSelectedInfo;
+		[SerializeField] TMP_Text m_textHoveredInfo;
+		[SerializeField] TMP_InputField m_inputId;
+
+		readonly Dictionary<QuadTreeNode, RegionView> _map = new();
+
+		void Start() {
+			var file = new FileInfo(Path.Combine(Application.persistentDataPath, "regions.json"));
+			if (file.Exists) {
+				using var stream = file.OpenRead();
+				_root = JsonSerializer.Deserialize<QuadTreeNode>(stream);
+			}
+			else {
+				_root = NewNode();
+			}
+			BuildView(_root);
+		}
+
+		public void Save() {
+			var file = new FileInfo(Path.Combine(Application.persistentDataPath, "regions.json"));
+			using var stream = file.Open(FileMode.Create);
+			JsonSerializer.Serialize(stream, _root);
+		}
+
+		void BuildView(QuadTreeNode node) {
+			var view = Instantiate(m_regionViewPrefab, transform, false).GetComponent<RegionView>();
+			view.Init(node.X, node.Y, node.Z);
+			view.Id = node.Data.Id;
+			view.IsLeaf = node.Children == null;
+			_map.Add(node, view);
+			BuildChildViews(node);
+		}
+
+		void BuildChildViews(QuadTreeNode node) {
+			if (node.Children == null) return;
+			foreach (var child in node.Children) {
+				BuildView(child);
+			}
+		}
+
+		void DestroyChildViews(QuadTreeNode node) {
+			if (node.Children == null) return;
+			foreach (var child in node.Children) {
+				Destroy(_map[child].gameObject);
+				_map.Remove(child);
+			}
+		}
+
+		QuadTreeNode _hoveredNode;
+		QuadTreeNode _selectedNode;
+		Vector3? _ppos;
+		void Update() {
+			var pos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
+			pos.y += 1;
+			var hoveredNode = _root.Get(pos);
+			if (hoveredNode != _hoveredNode) {
+				HoverNode(hoveredNode);
+			}
+			if (Input.GetMouseButtonDown(0)) {
+				_ppos = Input.mousePosition;
+			}
+			if (Input.GetMouseButton(0) && _ppos is Vector3 pos0) {
+				if (Input.mousePosition != pos0) {
+					_ppos = null;
+				}
+			}
+			if (hoveredNode == null) return;
+			if (Input.GetMouseButtonUp(0) && _ppos != null) {
+				SelectNode(hoveredNode);
+				_ppos = null;
+			}
+			if (m_inputId.isFocused)
+				return;
+			if (Input.GetKeyUp(KeyCode.A)) {
+				MergeNode(hoveredNode);
+			}
+			if (Input.GetKeyUp(KeyCode.S)) {
+				SplitNode(hoveredNode);
+			}
+			if (Input.GetKeyUp(KeyCode.C)) {
+				m_inputId.text = hoveredNode.Data.Id;
+			}
+			if (Input.GetKeyUp(KeyCode.V)) {
+				hoveredNode.Data.Id = m_inputId.text;
+				_map[hoveredNode].Id = hoveredNode.Data.Id;
+			}
+		}
+		void HoverNode(QuadTreeNode node) {
+			if (_hoveredNode != null) {
+				_map[_hoveredNode].IsHovered = false;
+			}
+			_hoveredNode = node;
+			if (_hoveredNode != null) {
+				_map[_hoveredNode].IsHovered = true;
+				m_textHoveredInfo.text = string.Format(CultureInfo.InvariantCulture, "<Hovered>\nZ: {2}, XY: ({0}, {1})\nD: {3}", node.X, node.Y, node.Z, node.Data.Id);
+			}
+			else {
+				m_textHoveredInfo.text = "";
+			}
+		}
+		void SelectNode(QuadTreeNode node) {
+			if (_selectedNode != null) {
+				_map[_selectedNode].IsSelected = false;
+			}
+			_selectedNode = node;
+			if (_selectedNode != null) {
+				_map[_selectedNode].IsSelected = true;
+				m_textSelectedInfo.text = string.Format(CultureInfo.InvariantCulture, "<Selected>\nZ: {2}, XY: ({0}, {1})\nD: {3}", node.X, node.Y, node.Z, node.Data.Id);
+			}
+			else {
+				m_textSelectedInfo.text = "";
+			}
+		}
+		void MergeNode(QuadTreeNode node) {
+			var parent = node.Parent;
+			if (parent == null)
+				return;
+			DestroyChildViews(parent);
+			_map[parent].IsLeaf = true;
+			parent.Merge();
+			_hoveredNode = null;
+			if (_selectedNode != null && !_map.ContainsKey(_selectedNode)) {
+				_selectedNode = null;
+			}
+		}
+		void SplitNode(QuadTreeNode node) {
+			node.Split();
+			_map[node].IsLeaf = false;
+			BuildChildViews(node);
+		}
+
+		static QuadTreeNode NewNode() => new() { Data = new("") };
+
+		sealed class QuadTreeNode {
+			QuadTreeNode[] m_children;
+			public QuadTreeNode[] Children {
+				get => m_children;
+				set {
+					if (m_children != null) {
+						foreach (var child in m_children) {
+							child.DetachFromParent();
+						}
+					}
+					m_children = value;
+					UpdateChildren();
+				}
+			}
+			QuadTreeNode m_parent;
+			[JsonIgnore] public QuadTreeNode Parent => m_parent;
+			void AttachToParent(QuadTreeNode parent, int index) {
+				if (m_parent != null && m_parent != parent)
+					throw new InvalidOperationException("Node already in a tree.");
+				m_parent = parent;
+				X = (parent.X << 1) | (index is 0 or 3 ? 1 : 0);
+				Y = (parent.Y << 1) | (index is 0 or 1 ? 1 : 0);
+				Z = parent.Z + 1;
+				UpdateChildren();
+			}
+			void DetachFromParent() => m_parent = null;
+			void UpdateChildren() {
+				if (m_children != null) {
+					for (int i = 0; i < m_children.Length; i++) {
+						m_children[i].AttachToParent(this, i);
+					}
+				}
+			}
+			[JsonIgnore] public int X { get; private set; }
+			[JsonIgnore] public int Y { get; private set; }
+			[JsonIgnore] public int Z { get; private set; }
+			public RegionData Data { get; set; }
+
+			public QuadTreeNode Get(Vector2 pos) {
+				if ((pos.x is < 0 or >= 1) || (pos.y is < 0 or >= 1))
+					return null;
+				if (m_children == null)
+					return this;
+				Vector2 subPos = pos * 2;
+				subPos.x %= 1;
+				subPos.y %= 1;
+				return pos.x >= 0.5f
+					? (pos.y >= 0.5f ? m_children[0] : m_children[3]).Get(subPos)
+					: (pos.y >= 0.5f ? m_children[1] : m_children[2]).Get(subPos);
+			}
+
+			public void Merge() {
+				Children = null;
+			}
+
+			public void Split() {
+				Children = new QuadTreeNode[] {
+					new() { Data = Data.Copy() },
+					new() { Data = Data.Copy() },
+					new() { Data = Data.Copy() },
+					new() { Data = Data.Copy() },
+				};
+			}
+		}
+		sealed record RegionData(string Id) {
+			public string Id { get; set; } = Id;
+			public RegionData Copy() => (RegionData)MemberwiseClone();
+		}
+	}
+}

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

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

@@ -0,0 +1,68 @@
+using UnityEngine;
+
+namespace Cryville.EEW.Unity.Map {
+	sealed class RegionView : MonoBehaviour {
+		[SerializeField]
+		SpriteRenderer m_spriteRenderer;
+
+		Color _color;
+
+		bool m_isHovered;
+		public bool IsHovered {
+			get => m_isHovered;
+			set {
+				m_isHovered = value;
+				UpdateColor();
+			}
+		}
+
+		bool m_isSelected;
+		public bool IsSelected {
+			get => m_isSelected;
+			set {
+				m_isSelected = value;
+				UpdateColor();
+			}
+		}
+
+		bool m_isLeaf = true;
+		public bool IsLeaf {
+			get => m_isLeaf;
+			set {
+				m_isLeaf = value;
+				UpdateColor();
+			}
+		}
+
+		string m_id;
+		public string Id {
+			get => m_id;
+			set {
+				m_id = value;
+				unchecked {
+					uint hash = (uint)value.GetHashCode();
+					_color = Color.HSVToRGB(((hash >> 24) ^ ((hash >> 16) & 0xff) ^ ((hash >> 8) & 0xff) ^ (hash & 0xff)) / (float)0xff, 1, 1);
+				}
+				UpdateColor();
+			}
+		}
+
+		public void Init(int x, int y, int z) {
+			float scale = 1f / (1 << z);
+			transform.localScale = new Vector3(scale, scale, 1);
+			transform.localPosition = new Vector3(x * scale, y * scale - 1, -1 - z / 100f);
+		}
+
+		void UpdateColor() {
+			if (!m_isLeaf)
+				_color.a = 0.0f;
+			else if (m_isSelected)
+				_color.a = 0.6f;
+			else if (m_isHovered)
+				_color.a = 0.4f;
+			else
+				_color.a = 0.2f;
+			m_spriteRenderer.color = _color;
+		}
+	}
+}

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+  m_SelectedEditorRenderState: 0
+  m_MinimumChartSize: 4
+  m_AutoUVMaxDistance: 0.5
+  m_AutoUVMaxAngle: 89
+  m_LightmapParameters: {fileID: 0}
+  m_SortingLayerID: 0
+  m_SortingLayer: 0
+  m_SortingOrder: 0
+  m_Sprite: {fileID: 7482667652216324306, guid: 311925a002f4447b3a28927169b83ea6, type: 3}
+  m_Color: {r: 1, g: 1, b: 1, a: 0.2509804}
+  m_FlipX: 0
+  m_FlipY: 0
+  m_DrawMode: 0
+  m_Size: {x: 1, y: 1}
+  m_AdaptiveModeThreshold: 0.5
+  m_SpriteTileMode: 0
+  m_WasSpriteAssigned: 1
+  m_MaskInteraction: 0
+  m_SpriteSortPoint: 0

Assets/Prefabs/RegionView.prefab.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: bcdaa327335962646879336458cd7379
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/RegionEditor.unity.meta

@@ -0,0 +1,7 @@
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+guid: 8d07fde72bae47a4990c95f764ca2b43
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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ProjectSettings/EditorBuildSettings.asset

@@ -4,5 +4,8 @@
 EditorBuildSettings:
   m_ObjectHideFlags: 0
   serializedVersion: 2
-  m_Scenes: []
+  m_Scenes:
+  - enabled: 1
+    path: Assets/Main.unity
+    guid: 73f6d740b4b1f2e42bb8b4e2d9b95c90
   m_configObjects: {}