92 lines
2.5 KiB
C#
92 lines
2.5 KiB
C#
using System;
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using Godot;
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namespace Milimoe.GodotGame;
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public partial class AnimatedRichTextLabel : RichTextLabel
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{
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[Export]
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public float CharactersPerSecond { get; set; } = 20; // 每秒显示的字符数
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public NovelController NovelController { get; set; } = null; // 是否在小说控制器中
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public bool IsAnimationRunning = false; // 动画是否正在运行
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private string _fullText; // 完整的文本内容
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private float _elapsedTime = 0; // 经过的时间
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private int _visibleCharacters = 0; // 当前显示的字符数
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private Timer _timer;
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public override void _Ready()
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{
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_timer = GetNode<Timer>("Timer");
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_timer.Timeout += OnTimerTimeout;
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_fullText = Text; // 保存完整的文本内容
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Text = ""; // 清空 RichTextLabel 的初始文本
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VisibleCharacters = 0; // 确保初始状态下不显示任何字符
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}
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public void StartAnimation()
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{
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_elapsedTime = 0;
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_visibleCharacters = 0;
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Text = _fullText; // 恢复完整的文本内容
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VisibleCharacters = 0; // 确保从头开始显示
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IsAnimationRunning = true;
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_timer.Start(); // 启动 Timer
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}
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public void SkipAnimation()
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{
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if (IsAnimationRunning)
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{
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VisibleCharacters = _fullText.Length; // 直接显示所有字符
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StopAnimation();
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}
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}
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private void StopAnimation()
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{
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if (IsAnimationRunning)
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{
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_timer.Stop();
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IsAnimationRunning = false;
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NovelController.TextAnimationHasFinished();
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}
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}
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public override void _Process(double delta)
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{
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if (!IsAnimationRunning) return;
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if (_timer.IsStopped()) return;
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_elapsedTime += (float)delta;
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int targetVisibleCharacters = (int)(_elapsedTime * CharactersPerSecond);
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if (targetVisibleCharacters > _visibleCharacters)
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{
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_visibleCharacters = Math.Min(targetVisibleCharacters, _fullText.Length);
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VisibleCharacters = _visibleCharacters;
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}
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if (_visibleCharacters >= _fullText.Length)
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{
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StopAnimation();
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}
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}
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private void OnTimerTimeout()
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{
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// 这里可以添加一些逻辑，例如在动画结束后触发一个信号
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// 或者执行其他操作
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}
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public new void SetText(string text)
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{
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_fullText = text;
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Text = "";
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VisibleCharacters = 0;
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IsAnimationRunning = false;
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}
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}
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