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Cryville.EEW.Unity/Assets/Cryville.Common/Unity/UI/TMPLocalizedText.cs
2025-02-14 16:06:00 +08:00

81 lines
2.6 KiB
C#

using Cryville.Common.Font;
using Cryville.Culture;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Reflection;
using TMPro;
using UnityEngine;
using UnityEngine.TextCore.LowLevel;
using UnityEngine.TextCore.Text;
namespace Cryville.Common.Unity.UI {
[RequireComponent(typeof(TMP_Text))]
public class TMPLocalizedText : MonoBehaviour {
public static Shader DefaultShader;
public static FontMatcher FontMatcher;
public static int MaxFallbackCount = 4;
static readonly Dictionary<CultureInfo, FontAsset> _cachedFonts = new();
[SerializeField]
Shader m_shader;
public TMP_Text Text { get; private set; }
void Awake() {
Text = GetComponent<TMP_Text>();
}
public void SetText(string text, CultureInfo culture = null) {
Text.text = text;
SetCulture(culture ?? CultureInfo.CurrentCulture);
}
void SetCulture(CultureInfo culture) {
if (FontMatcher == null) return;
string cultureName = culture.Name;
if (string.IsNullOrEmpty(cultureName)) cultureName = CultureInfo.CurrentCulture.Name;
if (!_cachedFonts.TryGetValue(culture, out var font)) {
foreach (var typeface in FontMatcher.MatchLanguage(new LanguageId(cultureName), true)) {
try {
var ifont = CreateFontAsset(typeface.File.FullName, typeface.IndexInFile);
if (m_shader) ifont.material.shader = m_shader;
else if (DefaultShader) ifont.material.shader = DefaultShader;
if (font == null) {
font = ifont;
if (MaxFallbackCount <= 0) break;
}
else {
font.fallbackFontAssetTable ??= new List<FontAsset>();
font.fallbackFontAssetTable.Add(ifont);
if (font.fallbackFontAssetTable.Count >= MaxFallbackCount) break;
}
}
catch (Exception) { }
}
_cachedFonts.Add(culture, font);
}
Text.font = font;
}
static MethodInfo _methodCreateFontAsset;
static readonly object[] _paramsCreateFontAsset = new object[] { null, null, 90, 9, GlyphRenderMode.SDFAA, 1024, 1024, Type.Missing, Type.Missing };
static FontAsset CreateFontAsset(string path, int index) {
if (_methodCreateFontAsset == null) {
_methodCreateFontAsset = typeof(FontAsset).GetMethod(
"CreateFontAsset", BindingFlags.Static | BindingFlags.NonPublic, null,
new Type[] {
typeof(string), typeof(int), typeof(int), typeof(int),
typeof(GlyphRenderMode), typeof(int), typeof(int),
typeof(AtlasPopulationMode), typeof(bool)
},
null
);
}
_paramsCreateFontAsset[0] = path;
_paramsCreateFontAsset[1] = index;
return (FontAsset)_methodCreateFontAsset.Invoke(null, _paramsCreateFontAsset);
}
}
}