Implement dialog.

Assets/Cryville/Crtr/Dialog.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Cryville.Crtr {
+	public class Dialog : MonoBehaviour {
+		static Dialog _instance;
+		[SerializeField] CanvasGroup m_group;
+		[SerializeField] Text m_msgText;
+		[SerializeField] Text m_button0Text;
+		[SerializeField] Text m_button1Text;
+		[SerializeField] GameObject m_button1;
+		[SerializeField] AnimationCurve m_fadeCurve;
+		float _fadeDuration;
+		static readonly Queue<DialogEntry> _queue = new Queue<DialogEntry>();
+		struct DialogEntry {
+			public Action<int> callback;
+			public string message;
+			public string action0;
+			public string action1;
+		}
+		void Awake() {
+			_instance = this;
+			_fadeDuration = m_fadeCurve[m_fadeCurve.length - 1].time;
+		}
+		float _timer;
+		DialogEntry? _cur;
+		static bool _suppressed;
+		void Update() {
+			if (_cur == null) {
+				if (_timer > 0) {
+					_timer -= Time.deltaTime;
+					if (_timer < 0) {
+						_timer = 0;
+						m_group.gameObject.SetActive(false);
+					}
+					m_group.alpha = m_fadeCurve.Evaluate(_timer);
+				}
+				if (_queue.Count > 0 && !_suppressed) {
+					m_group.gameObject.SetActive(true);
+					_cur = _queue.Dequeue();
+					m_msgText.text = _cur.Value.message;
+					m_button0Text.text = _cur.Value.action0;
+					m_button1Text.text = _cur.Value.action1;
+					m_button1.SetActive(_cur.Value.action1 != null);
+				}
+			}
+			else {
+				if (_timer < _fadeDuration) {
+					_timer += Time.deltaTime;
+					if (_timer > _fadeDuration) _timer = _fadeDuration;
+					m_group.alpha = m_fadeCurve.Evaluate(_timer);
+				}
+			}
+		}
+		public void OnButton(int id) {
+			if (_cur == null) return;
+			var cb = _cur.Value.callback;
+			if (cb != null) cb(id);
+			_cur = null;
+		}
+		public static void Suppress() {
+			_suppressed = true;
+			if (_instance._cur != null) {
+				_queue.Enqueue(_instance._cur.Value);
+				_instance._cur = null;
+			}
+		}
+		public static void Release() {
+			_suppressed = false;
+		}
+		public static void Show(Action<int> callback, string message, string action0 = "OK", string action1 = null) {
+			_queue.Enqueue(new DialogEntry { callback = callback, message = message, action0 = action0, action1 = action1 });
+		}
+		public static int ShowAndWait(string message, string action0 = "OK", string action1 = null) {
+			using (var ev = new AutoResetEvent(false)) {
+				int result = 0;
+				_queue.Enqueue(new DialogEntry {
+					callback = r => { result = r; ev.Set(); },
+					message = message, action0 = action0, action1 = action1,
+				});
+				ev.WaitOne();
+				return result;
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Dialog.cs.meta

@@ -0,0 +1,11 @@
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+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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