91 lines
2.9 KiB
C#
91 lines
2.9 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using OTGIntegrated.Core;
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using UnityEngine;
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using UnityEngine.UI;
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namespace OTGIntegrated.UI
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{
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public sealed class NotificationUI : MonoBehaviour
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{
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public RectTransform stackRoot;
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public Font uiFont;
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public float visibleSeconds = 2.4f;
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public int maxMessages = 5;
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private readonly Queue<GameObject> activeMessages = new Queue<GameObject>();
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private void OnEnable()
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{
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GameEvents.OnNotificationRequested += Show;
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}
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private void OnDisable()
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{
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GameEvents.OnNotificationRequested -= Show;
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}
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public void Show(string message)
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{
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if (string.IsNullOrWhiteSpace(message) || stackRoot == null)
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{
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return;
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}
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GameObject root = new GameObject("Notification", typeof(RectTransform), typeof(CanvasGroup), typeof(Image));
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root.transform.SetParent(stackRoot, false);
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root.GetComponent<RectTransform>().sizeDelta = new Vector2(520f, 42f);
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root.GetComponent<Image>().color = new Color(0.05f, 0.06f, 0.08f, 0.86f);
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Text text = CreateText(root.transform, "Text", message, 16, TextAnchor.MiddleCenter);
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text.rectTransform.anchorMin = Vector2.zero;
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text.rectTransform.anchorMax = Vector2.one;
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text.rectTransform.offsetMin = new Vector2(12f, 0f);
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text.rectTransform.offsetMax = new Vector2(-12f, 0f);
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activeMessages.Enqueue(root);
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while (activeMessages.Count > maxMessages)
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{
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GameObject old = activeMessages.Dequeue();
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if (old != null)
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{
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Destroy(old);
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}
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}
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StartCoroutine(FadeAndDestroy(root));
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}
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private IEnumerator FadeAndDestroy(GameObject root)
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{
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CanvasGroup group = root.GetComponent<CanvasGroup>();
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float age = 0f;
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while (age < visibleSeconds)
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{
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age += Time.deltaTime;
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if (group != null)
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{
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group.alpha = age < visibleSeconds - 0.45f ? 1f : Mathf.Clamp01((visibleSeconds - age) / 0.45f);
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}
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yield return null;
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}
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if (root != null)
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{
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Destroy(root);
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}
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}
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private Text CreateText(Transform parent, string name, string value, int fontSize, TextAnchor anchor)
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{
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GameObject textObject = new GameObject(name, typeof(RectTransform), typeof(Text));
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textObject.transform.SetParent(parent, false);
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Text text = textObject.GetComponent<Text>();
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UITheme.ApplyText(text, uiFont, fontSize, anchor);
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text.text = value;
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return text;
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}
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}
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}
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