128 lines
2.9 KiB
C#
128 lines
2.9 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using TMPro;
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using UnityEngine;
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using UnityEngine.UI;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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// updates visible subtitle text and a character portrait of the speaker
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public class DialogueUI : MonoBehaviour
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{
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[SerializeField] private DialogueSystem _dialogue;
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[SerializeField] private float _fadeTime;
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[SerializeField] private CanvasGroup _dialogueGroup;
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[SerializeField] private TMP_Text _text;
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[SerializeField] private GameObject _portrait;
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private bool _dismissed;
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private void OnEnable()
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{
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_dialogue.onDialogueLine += (_, dl) => ShowLine(dl);
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_text.text = string.Empty;
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_portrait.SetActive(false);
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}
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public void Dismiss()
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{
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_dismissed = true;
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}
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private IEnumerator _subtitleRoutine;
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private void ShowLine(DialogueLine line)
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{
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// there is a line currently being shown, abort its coroutine and hide ui elements
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if (_subtitleRoutine != null && _text.text != null)
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{
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HideSubtitle();
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StopCoroutine(_subtitleRoutine);
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}
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_subtitleRoutine = ShowLineCR(line.text, line.duration);
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StartCoroutine(_subtitleRoutine);
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}
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private IEnumerator ShowLineCR(string text, float duration)
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{
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// update text and show portrait
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float a = 0f;
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_dialogueGroup.alpha = a;
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_text.text = text;
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_portrait.SetActive( true );
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while ( a < 1f )
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{
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yield return null;
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a += Time.deltaTime / _fadeTime;
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_dialogueGroup.alpha = a;
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}
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_dialogueGroup.alpha = 1f;
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// wait until timeout of dismissal
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var timer = 0f;
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while (!_dismissed && timer < duration)
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{
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timer += Time.deltaTime;
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// wait for next frame
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yield return null;
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}
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while ( a > 0f )
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{
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yield return null;
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a -= Time.deltaTime / _fadeTime;
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_dialogueGroup.alpha = a;
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}
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_dialogueGroup.alpha = 0f;
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// hide ui elements
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HideSubtitle();
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_dismissed = false;
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}
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private void HideSubtitle()
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{
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_text.text = string.Empty;
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_portrait.SetActive( false );
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}
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}
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#region Editor
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#if UNITY_EDITOR
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[CustomEditor(typeof(DialogueUI))]
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public class DialogueUIEditor : Editor
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{
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private DialogueUI _dialogueUI;
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private void OnEnable()
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{
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_dialogueUI = target as DialogueUI;
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}
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public override void OnInspectorGUI()
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{
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base.OnInspectorGUI();
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if (!Application.isPlaying) return;
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if (GUILayout.Button("Dismiss"))
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{
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_dialogueUI.Dismiss();
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}
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}
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}
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#endif
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#endregion |